diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-06-04 12:56:01 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-06-04 13:02:42 +0200 |
| commit | 51217cee3a94d5409d6ee2ac090ae96bc9a06757 (patch) | |
| tree | 373c5ebf9e87ef81feb1d02feaf06f673fcf9a13 /drivers/net/wireless | |
| parent | ff40b425f04144771920b79672d6691910c7def7 (diff) | |
| parent | 99e94940697adec4f84758adb2db71f4a82c7ba5 (diff) | |
Merge remote-tracking branch 'wireless-next/master' into HEAD
Merge to get the wil6210 changes that a cfg80211 change needs.
A conflict in drivers/net/wireless/ath/ath9k/init.c was just
whitespace changes.
Also fix a semantic conflict due to cw1200 using WoWLAN which
I had modified in my tree.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless')
157 files changed, 19803 insertions, 1963 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index f8f0156dff4e..200020eb3005 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -280,5 +280,6 @@ source "drivers/net/wireless/rtlwifi/Kconfig" source "drivers/net/wireless/ti/Kconfig" source "drivers/net/wireless/zd1211rw/Kconfig" source "drivers/net/wireless/mwifiex/Kconfig" +source "drivers/net/wireless/cw1200/Kconfig" endif # WLAN diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 67156efe14c4..0fab227025be 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -57,3 +57,5 @@ obj-$(CONFIG_MWIFIEX) += mwifiex/ obj-$(CONFIG_BRCMFMAC) += brcm80211/ obj-$(CONFIG_BRCMSMAC) += brcm80211/ + +obj-$(CONFIG_CW1200) += cw1200/ diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig index 17507dc8a1e7..ec33c8007b29 100644 --- a/drivers/net/wireless/ath/ath9k/Kconfig +++ b/drivers/net/wireless/ath/ath9k/Kconfig @@ -84,14 +84,6 @@ config ATH9K_DFS_CERTIFIED developed. At this point enabling this option won't do anything except increase code size. -config ATH9K_MAC_DEBUG - bool "Atheros MAC statistics" - depends on ATH9K_DEBUGFS - default y - ---help--- - This option enables collection of statistics for Rx/Tx status - data and some other MAC related statistics - config ATH9K_RATE_CONTROL bool "Atheros ath9k rate control" depends on ATH9K diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index 7ecd40f07a74..e91725bf401c 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -118,10 +118,10 @@ static void ath9k_ani_restart(struct ath_hw *ah) { struct ar5416AniState *aniState; - if (!DO_ANI(ah)) + if (!ah->curchan) return; - aniState = &ah->curchan->ani; + aniState = &ah->ani; aniState->listenTime = 0; ENABLE_REGWRITE_BUFFER(ah); @@ -143,7 +143,7 @@ static void ath9k_ani_restart(struct ath_hw *ah) static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel, bool scan) { - struct ar5416AniState *aniState = &ah->curchan->ani; + struct ar5416AniState *aniState = &ah->ani; struct ath_common *common = ath9k_hw_common(ah); const struct ani_ofdm_level_entry *entry_ofdm; const struct ani_cck_level_entry *entry_cck; @@ -195,10 +195,10 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah) { struct ar5416AniState *aniState; - if (!DO_ANI(ah)) + if (!ah->curchan) return; - aniState = &ah->curchan->ani; + aniState = &ah->ani; if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL) ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1, false); @@ -210,7 +210,7 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah) static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel, bool scan) { - struct ar5416AniState *aniState = &ah->curchan->ani; + struct ar5416AniState *aniState = &ah->ani; struct ath_common *common = ath9k_hw_common(ah); const struct ani_ofdm_level_entry *entry_ofdm; const struct ani_cck_level_entry *entry_cck; @@ -251,10 +251,10 @@ static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah) { struct ar5416AniState *aniState; - if (!DO_ANI(ah)) + if (!ah->curchan) return; - aniState = &ah->curchan->ani; + aniState = &ah->ani; if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL) ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1, @@ -269,7 +269,7 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah) { struct ar5416AniState *aniState; - aniState = &ah->curchan->ani; + aniState = &ah->ani; /* lower OFDM noise immunity */ if (aniState->ofdmNoiseImmunityLevel > 0 && @@ -292,12 +292,12 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah) */ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning) { - struct ar5416AniState *aniState = &ah->curchan->ani; + struct ar5416AniState *aniState = &ah->ani; struct ath9k_channel *chan = ah->curchan; struct ath_common *common = ath9k_hw_common(ah); int ofdm_nil, cck_nil; - if (!DO_ANI(ah)) + if (!ah->curchan) return; BUG_ON(aniState == NULL); @@ -380,7 +380,7 @@ void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning) static bool ath9k_hw_ani_read_counters(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); - struct ar5416AniState *aniState = &ah->curchan->ani; + struct ar5416AniState *aniState = &ah->ani; u32 phyCnt1, phyCnt2; int32_t listenTime; @@ -415,10 +415,10 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan) struct ath_common *common = ath9k_hw_common(ah); u32 ofdmPhyErrRate, cckPhyErrRate; - if (!DO_ANI(ah)) + if (!ah->curchan) return; - aniState = &ah->curchan->ani; + aniState = &ah->ani; if (!ath9k_hw_ani_read_counters(ah)) return; @@ -490,32 +490,22 @@ EXPORT_SYMBOL(ath9k_hw_disable_mib_counters); void ath9k_hw_ani_init(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); - int i; + struct ar5416AniState *ani = &ah->ani; ath_dbg(common, ANI, "Initialize ANI\n"); ah->config.ofdm_trig_high = ATH9K_ANI_OFDM_TRIG_HIGH; ah->config.ofdm_trig_low = ATH9K_ANI_OFDM_TRIG_LOW; - ah->config.cck_trig_high = ATH9K_ANI_CCK_TRIG_HIGH; ah->config.cck_trig_low = ATH9K_ANI_CCK_TRIG_LOW; - for (i = 0; i < ARRAY_SIZE(ah->channels); i++) { - struct ath9k_channel *chan = &ah->channels[i]; - struct ar5416AniState *ani = &chan->ani; - - ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; - - ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; - - ani->mrcCCK = AR_SREV_9300_20_OR_LATER(ah) ? true : false; - - ani->ofdmsTurn = true; - - ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG; - ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL; - ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL; - } + ani->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; + ani->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; + ani->mrcCCK = AR_SREV_9300_20_OR_LATER(ah) ? true : false; + ani->ofdmsTurn = true; + ani->ofdmWeakSigDetect = true; + ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL; + ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL; /* * since we expect some ongoing maintenance on the tables, let's sanity @@ -524,9 +514,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah) ah->aniperiod = ATH9K_ANI_PERIOD; ah->config.ani_poll_interval = ATH9K_ANI_POLLINTERVAL; - if (ah->config.enable_ani) - ah->proc_phyerr |= HAL_PROCESS_ANI; - ath9k_ani_restart(ah); ath9k_enable_mib_counters(ah); } diff --git a/drivers/net/wireless/ath/ath9k/ani.h b/drivers/net/wireless/ath/ath9k/ani.h index dddb1361039a..78b9fa9f6455 100644 --- a/drivers/net/wireless/ath/ath9k/ani.h +++ b/drivers/net/wireless/ath/ath9k/ani.h @@ -17,10 +17,6 @@ #ifndef ANI_H #define ANI_H -#define HAL_PROCESS_ANI 0x00000001 - -#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI) && ah->curchan) - #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi) /* units are errors per second */ @@ -38,11 +34,7 @@ #define ATH9K_ANI_CCK_TRIG_LOW 300 #define ATH9K_ANI_NOISE_IMMUNE_LVL 4 -#define ATH9K_ANI_USE_OFDM_WEAK_SIG true -#define ATH9K_ANI_CCK_WEAK_SIG_THR false - #define ATH9K_ANI_SPUR_IMMUNE_LVL 3 - #define ATH9K_ANI_FIRSTEP_LVL 2 #define ATH9K_ANI_RSSI_THR_HIGH 40 @@ -111,7 +103,7 @@ struct ar5416AniState { u8 mrcCCK; u8 spurImmunityLevel; u8 firstepLevel; - u8 ofdmWeakSigDetect; + bool ofdmWeakSigDetect; u32 listenTime; u32 ofdmPhyErrCount; u32 cckPhyErrCount; @@ -119,8 +111,6 @@ struct ar5416AniState { }; struct ar5416Stats { - u32 ast_ani_niup; - u32 ast_ani_nidown; u32 ast_ani_spurup; u32 ast_ani_spurdown; u32 ast_ani_ofdmon; diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 391da5ad6a99..d1acfe98918a 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -931,7 +931,7 @@ static bool ar5008_hw_ani_control_new(struct ath_hw *ah, { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_channel *chan = ah->curchan; - struct ar5416AniState *aniState = &chan->ani; + struct ar5416AniState *aniState = &ah->ani; s32 value, value2; switch (cmd & ah->ani_function) { @@ -1207,7 +1207,7 @@ static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_channel *chan = ah->curchan; - struct ar5416AniState *aniState = &chan->ani; + struct ar5416AniState *aniState = &ah->ani; struct ath9k_ani_default *iniDef; u32 val; @@ -1251,7 +1251,7 @@ static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah) /* these levels just got reset to defaults by the INI */ aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; - aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG; + aniState->ofdmWeakSigDetect = true; aniState->mrcCCK = false; /* not available on pre AR9003 */ } diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c index 830daa12feb6..8dc2d089cdef 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c @@ -38,10 +38,6 @@ static int ar9002_hw_init_mode_regs(struct ath_hw *ah) else INIT_INI_ARRAY(&ah->iniPcieSerdes, ar9280PciePhy_clkreq_always_on_L1_9280); -#ifdef CONFIG_PM_SLEEP - INIT_INI_ARRAY(&ah->iniPcieSerdesWow, - ar9280PciePhy_awow); -#endif if (AR_SREV_9287_11_OR_LATER(ah)) { INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h index beb6162cf97c..4d18c66a6790 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9002_initvals.h @@ -925,20 +925,6 @@ static const u32 ar9280PciePhy_clkreq_always_on_L1_9280[][2] = { {0x00004044, 0x00000000}, }; -static const u32 ar9280PciePhy_awow[][2] = { - /* Addr allmodes */ - {0x00004040, 0x9248fd00}, - {0x00004040, 0x24924924}, - {0x00004040, 0xa8000019}, - {0x00004040, 0x13160820}, - {0x00004040, 0xe5980560}, - {0x00004040, 0xc01dcffd}, - {0x00004040, 0x1aaabe41}, - {0x00004040, 0xbe105554}, - {0x00004040, 0x00043007}, - {0x00004044, 0x00000000}, -}; - static const u32 ar9285Modes_9285_1_2[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ {0x00001030, 0x00000230, 0x00000460, 0x000002c0, 0x00000160}, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index 301bf72c53bf..5163abd3937c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -469,6 +469,7 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, rxs->rs_status = 0; rxs->rs_flags = 0; + rxs->flag = 0; rxs->rs_datalen = rxsp->status2 & AR_DataLen; rxs->rs_tstamp = rxsp->status3; @@ -493,8 +494,8 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, rxs->rs_isaggr = (rxsp->status11 & AR_RxAggr) ? 1 : 0; rxs->rs_moreaggr = (rxsp->status11 & AR_RxMoreAggr) ? 1 : 0; rxs->rs_antenna = (MS(rxsp->status4, AR_RxAntenna) & 0x7); - rxs->rs_flags = (rxsp->status4 & AR_GI) ? ATH9K_RX_GI : 0; - rxs->rs_flags |= (rxsp->status4 & AR_2040) ? ATH9K_RX_2040 : 0; + rxs->flag |= (rxsp->status4 & AR_GI) ? RX_FLAG_SHORT_GI : 0; + rxs->flag |= (rxsp->status4 & AR_2040) ? RX_FLAG_40MHZ : 0; rxs->evm0 = rxsp->status6; rxs->evm1 = rxsp->status7; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 09c1f9da67a0..6343cc91953e 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -454,6 +454,8 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain) if (accum_cnt <= thresh_accum_cnt) continue; + max_index++; + /* sum(tx amplitude) */ accum_tx = ((data_L[i] >> 16) & 0xffff) | ((data_U[i] & 0x7ff) << 16); @@ -468,20 +470,21 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain) accum_tx <<= scale_factor; accum_rx <<= scale_factor; - x_est[i + 1] = (((accum_tx + accum_cnt) / accum_cnt) + 32) >> - scale_factor; + x_est[max_index] = + (((accum_tx + accum_cnt) / accum_cnt) + 32) >> + scale_factor; - Y[i + 1] = ((((accum_rx + accum_cnt) / accum_cnt) + 32) >> + Y[max_index] = + ((((accum_rx + accum_cnt) / accum_cnt) + 32) >> scale_factor) + - (1 << scale_factor) * max_index + 16; + (1 << scale_factor) * i + 16; if (accum_ang >= (1 << 26)) accum_ang -= 1 << 27; - theta[i + 1] = ((accum_ang * (1 << scale_factor)) + accum_cnt) / - accum_cnt; - - max_index++; + theta[max_index] = + ((accum_ang * (1 << scale_factor)) + accum_cnt) / + accum_cnt; } /* diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 2bf6548dd143..0d053503b8bf 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -904,7 +904,7 @@ static bool ar9003_hw_ani_control(struct ath_hw *ah, { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_channel *chan = ah->curchan; - struct ar5416AniState *aniState = &chan->ani; + struct ar5416AniState *aniState = &ah->ani; s32 value, value2; switch (cmd & ah->ani_function) { @@ -1172,7 +1172,7 @@ static void ar9003_hw_ani_cache_ini_regs(struct ath_hw *ah) struct ath9k_ani_default *iniDef; u32 val; - aniState = &ah->curchan->ani; + aniState = &ah->ani; iniDef = &aniState->iniDef; ath_dbg(common, ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n", @@ -1213,7 +1213,7 @@ static void ar9003_hw_ani_cache_ini_regs(struct ath_hw *ah) /* these levels just got reset to defaults by the INI */ aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL; aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL; - aniState->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG; + aniState->ofdmWeakSigDetect = true; aniState->mrcCCK = true; } diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 8a1888d02070..579ed9c40b3f 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -646,6 +646,7 @@ enum sc_op_flags { SC_OP_ANI_RUN, SC_OP_PRIM_STA_VIF, SC_OP_HW_RESET, + SC_OP_SCANNING, }; /* Powersave flags */ @@ -759,7 +760,6 @@ struct ath_softc { struct rchan *rfs_chan_spec_scan; enum spectral_mode spectral_mode; struct ath_spec_scan spec_config; - int scanning; #ifdef CONFIG_PM_SLEEP atomic_t wow_got_bmiss_intr; diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 2ff570f7f8ff..fd1eebab8647 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -39,7 +39,8 @@ static void ath9k_beaconq_config(struct ath_softc *sc) ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi); - if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) { + if (sc->sc_ah->opmode == NL80211_IFTYPE_AP || + sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) { /* Always burst out beacon and CAB traffic. */ qi.tqi_aifs = 1; qi.tqi_cwmin = 0; @@ -273,7 +274,8 @@ static int ath9k_beacon_choose_slot(struct ath_softc *sc) u64 tsf; int slot; - if (sc->sc_ah->opmode != NL80211_IFTYPE_AP) { + if (sc->sc_ah->opmode != NL80211_IFTYPE_AP && + sc->sc_ah->opmode != NL80211_IFTYPE_MESH_POINT) { ath_dbg(common, BEACON, "slot 0, tsf: %llu\n", ath9k_hw_gettsf64(sc->sc_ah)); return 0; @@ -765,10 +767,10 @@ void ath9k_set_beacon(struct ath_softc *sc) switch (sc->sc_ah->opmode) { case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_MESH_POINT: ath9k_beacon_config_ap(sc, cur_conf); break; case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_MESH_POINT: ath9k_beacon_config_adhoc(sc, cur_conf); break; case NL80211_IFTYPE_STATION: diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index e6307b86363a..7852f6e59964 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -173,25 +173,69 @@ static const struct file_operations fops_rx_chainmask = { .llseek = default_llseek, }; -static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf, +static ssize_t read_file_ani(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; struct ath_common *common = ath9k_hw_common(sc->sc_ah); - char buf[32]; - unsigned int len; + struct ath_hw *ah = sc->sc_ah; + unsigned int len = 0, size = 1024; + ssize_t retval = 0; + char *buf; - len = sprintf(buf, "%d\n", common->disable_ani); - return simple_read_from_buffer(user_buf, count, ppos, buf, len); + buf = kzalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + if (common->disable_ani) { + len += snprintf(buf + len, size - len, "%s: %s\n", + "ANI", "DISABLED"); + goto exit; + } + + len += snprintf(buf + len, size - len, "%15s: %s\n", + "ANI", "ENABLED"); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "ANI RESET", ah->stats.ast_ani_reset); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "SPUR UP", ah->stats.ast_ani_spurup); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "SPUR DOWN", ah->stats.ast_ani_spurup); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "MRC-CCK ON", ah->stats.ast_ani_ccklow); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "MRC-CCK OFF", ah->stats.ast_ani_cckhigh); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "FIR-STEP UP", ah->stats.ast_ani_stepup); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "FIR-STEP DOWN", ah->stats.ast_ani_stepdown); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs); + len += snprintf(buf + len, size - len, "%15s: %u\n", + "CCK ERRORS", ah->stats.ast_ani_cckerrs); +exit: + if (len > size) + len = size; + + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; } -static ssize_t write_file_disable_ani(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) +static ssize_t write_file_ani(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long disable_ani; + unsigned long ani; char buf[32]; ssize_t len; @@ -200,12 +244,15 @@ static ssize_t write_file_disable_ani(struct file *file, return -EFAULT; buf[len] = '\0'; - if (strict_strtoul(buf, 0, &disable_ani)) + if (strict_strtoul(buf, 0, &ani)) return -EINVAL; - common->disable_ani = !!disable_ani; + if (ani < 0 || ani > 1) + return -EINVAL; + + common->disable_ani = !ani; - if (disable_ani) { + if (common->disable_ani) { clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_stop_ani(sc); } else { @@ -215,9 +262,9 @@ static ssize_t write_file_disable_ani(struct file *file, return count; } -static const struct file_operations fops_disable_ani = { - .read = read_file_disable_ani, - .write = write_file_disable_ani, +static const struct file_operations fops_ani = { + .read = read_file_ani, + .write = write_file_ani, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, @@ -738,8 +785,6 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, struct ath_tx_status *ts, struct ath_txq *txq, unsigned int flags) { -#define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\ - [sc->debug.tsidx].c) int qnum = txq->axq_qnum; TX_STAT_INC(qnum, tx_pkts_all); @@ -771,37 +816,6 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, TX_STAT_INC(qnum, data_underrun); if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) TX_STAT_INC(qnum, delim_underrun); - -#ifdef CONFIG_ATH9K_MAC_DEBUG - spin_lock(&sc->debug.samp_lock); - TX_SAMP_DBG(jiffies) = jiffies; - TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; - TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1; - TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2; - TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0; - TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1; - TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2; - TX_SAMP_DBG(rateindex) = ts->ts_rateindex; - TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK); - TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry; - TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry; - TX_SAMP_DBG(rssi) = ts->ts_rssi; - TX_SAMP_DBG(tid) = ts->tid; - TX_SAMP_DBG(qid) = ts->qid; - - if (ts->ts_flags & ATH9K_TX_BA) { - TX_SAMP_DBG(ba_low) = ts->ba_low; - TX_SAMP_DBG(ba_high) = ts->ba_high; - } else { - TX_SAMP_DBG(ba_low) = 0; - TX_SAMP_DBG(ba_high) = 0; - } - - sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; - spin_unlock(&sc->debug.samp_lock); -#endif - -#undef TX_SAMP_DBG } static const struct file_operations fops_xmit = { @@ -915,8 +929,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) { #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++ -#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\ - [sc->debug.rsidx].c) RX_STAT_INC(rx_pkts_all); sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen; @@ -940,27 +952,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) RX_PHY_ERR_INC(rs->rs_phyerr); } -#ifdef CONFIG_ATH9K_MAC_DEBUG - spin_lock(&sc->debug.samp_lock); - RX_SAMP_DBG(jiffies) = jiffies; - RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; - RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1; - RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2; - RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0; - RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1; - RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2; - RX_SAMP_DBG(antenna) = rs->rs_antenna; - RX_SAMP_DBG(rssi) = rs->rs_rssi; - RX_SAMP_DBG(rate) = rs->rs_rate; - RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon; - - sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; - spin_unlock(&sc->debug.samp_lock); - -#endif - #undef RX_PHY_ERR_INC -#undef RX_SAMP_DBG } static const struct file_operations fops_recv = { @@ -1485,283 +1477,6 @@ static const struct file_operations fops_modal_eeprom = { .llseek = default_llseek, }; -#ifdef CONFIG_ATH9K_MAC_DEBUG - -void ath9k_debug_samp_bb_mac(struct ath_softc *sc) -{ -#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - unsigned long flags; - int i; - - ath9k_ps_wakeup(sc); - - spin_lock_bh(&sc->debug.samp_lock); - - spin_lock_irqsave(&common->cc_lock, flags); - ath_hw_cycle_counters_update(common); - - ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles; - ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy; - ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame; - ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame; - spin_unlock_irqrestore(&common->cc_lock, flags); - - ATH_SAMP_DBG(noise) = ah->noise; - - REG_WRITE_D(ah, AR_MACMISC, - ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | - (AR_MACMISC_MISC_OBS_BUS_1 << - AR_MACMISC_MISC_OBS_BUS_MSB_S))); - - for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) - ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah, - AR_DMADBG_0 + (i * sizeof(u32))); - - ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1); - ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR); - - memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist, - sizeof(ATH_SAMP_DBG(nfCalHist))); - - sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES; - spin_unlock_bh(&sc->debug.samp_lock); - ath9k_ps_restore(sc); - -#undef ATH_SAMP_DBG -} - -static int open_file_bb_mac_samps(struct inode *inode, struct file *file) -{ -#define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c - struct ath_softc *sc = inode->i_private; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &common->hw->conf; - struct ath_dbg_bb_mac_samp *bb_mac_samp; - struct ath9k_nfcal_hist *h; - int i, j, qcuOffset = 0, dcuOffset = 0; - u32 *qcuBase, *dcuBase, size = 30000, len = 0; - u32 sampidx = 0; - u8 *buf; - u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; - u8 nread; - - if (test_bit(SC_OP_INVALID, &sc->sc_flags)) - return -EAGAIN; - - buf = vmalloc(size); - if (!buf) - return -ENOMEM; - bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); - if (!bb_mac_samp) { - vfree(buf); - return -ENOMEM; - } - /* Account the current state too */ - ath9k_debug_samp_bb_mac(sc); - - spin_lock_bh(&sc->debug.samp_lock); - memcpy(bb_mac_samp, sc->debug.bb_mac_samp, - sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES); - len += snprintf(buf + len, size - len, - "Current Sample Index: %d\n", sc->debug.sampidx); - spin_unlock_bh(&sc->debug.samp_lock); - - len += snprintf(buf + len, size - len, - "Raw DMA Debug Dump:\n"); - len += snprintf(buf + len, size - len, "Sample |\t"); - for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) - len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i); - len += snprintf(buf + len, size - len, "\n"); - - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - len += snprintf(buf + len, size - len, "%d\t", sampidx); - - for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) - len += snprintf(buf + len, size - len, " %08x\t", - ATH_SAMP_DBG(dma_dbg_reg_vals[i])); - len += snprintf(buf + len, size - len, "\n"); - } - len += snprintf(buf + len, size - len, "\n"); - - len += snprintf(buf + len, size - len, - "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); - dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); - - for (i = 0; i < ATH9K_NUM_QUEUES; i++, - qcuOffset += 4, dcuOffset += 5) { - if (i == 8) { - qcuOffset = 0; - qcuBase++; - } - - if (i == 6) { - dcuOffset = 0; - dcuBase++; - } - if (!sc->debug.stats.txstats[i].queued) - continue; - - len += snprintf(buf + len, size - len, - "%4d %7d %2x %1x %2x %2x\n", - sampidx, i, - (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, - (*qcuBase & (0x8 << qcuOffset)) >> - (qcuOffset + 3), - ATH_SAMP_DBG(dma_dbg_reg_vals[2]) & - (0x7 << (i * 3)) >> (i * 3), - (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); - } - len += snprintf(buf + len, size - len, "\n"); - } - len += snprintf(buf + len, size - len, - "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp " - "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 " - "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n"); - - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]); - dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]); - - len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx, - (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18, - (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22); - len += snprintf(buf + len, size - len, "%7x %8x ", - (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26, - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3)); - len += snprintf(buf + len, size - len, "%7x %7x ", - (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25, - (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27); - len += snprintf(buf + len, size - len, "%7d %12d ", - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2, - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10); - len += snprintf(buf + len, size - len, "%12d %12d ", - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11, - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12); - len += snprintf(buf + len, size - len, "%12d %12d ", - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13, - (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17); - len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n", - ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr)); - } - - len += snprintf(buf + len, size - len, - "Sample ChNoise Chain privNF #Reading Readings\n"); - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - h = ATH_SAMP_DBG(nfCalHist); - if (!ATH_SAMP_DBG(noise)) - continue; - - for (i = 0; i < NUM_NF_READINGS; i++) { - if (!(chainmask & (1 << i)) || - ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) - continue; - - nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - - h[i].invalidNFcount; - len += snprintf(buf + len, size - len, - "%4d %5d %4d\t %d\t %d\t", - sampidx, ATH_SAMP_DBG(noise), - i, h[i].privNF, nread); - for (j = 0; j < nread; j++) - len += snprintf(buf + len, size - len, - " %d", h[i].nfCalBuffer[j]); - len += snprintf(buf + len, size - len, "\n"); - } - } - len += snprintf(buf + len, size - len, "\nCycle counters:\n" - "Sample Total Rxbusy Rxframes Txframes\n"); - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - if (!ATH_SAMP_DBG(cc.cycles)) - continue; - len += snprintf(buf + len, size - len, - "%4d %08x %08x %08x %08x\n", - sampidx, ATH_SAMP_DBG(cc.cycles), - ATH_SAMP_DBG(cc.rx_busy), - ATH_SAMP_DBG(cc.rx_frame), - ATH_SAMP_DBG(cc.tx_frame)); - } - - len += snprintf(buf + len, size - len, "Tx status Dump :\n"); - len += snprintf(buf + len, size - len, - "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb " - "isok rts_fail data_fail rate tid qid " - "ba_low ba_high tx_before(ms)\n"); - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { - if (!ATH_SAMP_DBG(ts[i].jiffies)) - continue; - len += snprintf(buf + len, size - len, "%-14d" - "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d " - "%-9d %-4d %-3d %-3d %08x %08x %-11d\n", - sampidx, - ATH_SAMP_DBG(ts[i].rssi_ctl0), - ATH_SAMP_DBG(ts[i].rssi_ctl1), - ATH_SAMP_DBG(ts[i].rssi_ctl2), - ATH_SAMP_DBG(ts[i].rssi_ext0), - ATH_SAMP_DBG(ts[i].rssi_ext1), - ATH_SAMP_DBG(ts[i].rssi_ext2), - ATH_SAMP_DBG(ts[i].rssi), - ATH_SAMP_DBG(ts[i].isok), - ATH_SAMP_DBG(ts[i].rts_fail_cnt), - ATH_SAMP_DBG(ts[i].data_fail_cnt), - ATH_SAMP_DBG(ts[i].rateindex), - ATH_SAMP_DBG(ts[i].tid), - ATH_SAMP_DBG(ts[i].qid), - ATH_SAMP_DBG(ts[i].ba_low), - ATH_SAMP_DBG(ts[i].ba_high), - jiffies_to_msecs(jiffies - - ATH_SAMP_DBG(ts[i].jiffies))); - } - } - - len += snprintf(buf + len, size - len, "Rx status Dump :\n"); - len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 " - "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n"); - for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) { - for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) { - if (!ATH_SAMP_DBG(rs[i].jiffies)) - continue; - len += snprintf(buf + len, size - len, "%-14d" - "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n", - sampidx, - ATH_SAMP_DBG(rs[i].rssi_ctl0), - ATH_SAMP_DBG(rs[i].rssi_ctl1), - ATH_SAMP_DBG(rs[i].rssi_ctl2), - ATH_SAMP_DBG(rs[i].rssi_ext0), - ATH_SAMP_DBG(rs[i].rssi_ext1), - ATH_SAMP_DBG(rs[i].rssi_ext2), - ATH_SAMP_DBG(rs[i].rssi), - ATH_SAMP_DBG(rs[i].is_mybeacon) ? - "True" : "False", - ATH_SAMP_DBG(rs[i].antenna), - ATH_SAMP_DBG(rs[i].rate), - jiffies_to_msecs(jiffies - - ATH_SAMP_DBG(rs[i].jiffies))); - } - } - - vfree(bb_mac_samp); - file->private_data = buf; - - return 0; -#undef ATH_SAMP_DBG -} - -static const struct file_operations fops_samps = { - .open = open_file_bb_mac_samps, - .read = ath9k_debugfs_read_buf, - .release = ath9k_debugfs_release_buf, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -#endif - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -2051,8 +1766,8 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy, sc, &fops_rx_chainmask); debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_tx_chainmask); - debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, - sc->debug.debugfs_phy, sc, &fops_disable_ani); + debugfs_create_file("ani", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, sc, &fops_ani); debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->config.enable_paprd); debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, @@ -2087,11 +1802,6 @@ int ath9k_init_debug(struct ath_hw *ah) debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_spectral_fft_period); - -#ifdef CONFIG_ATH9K_MAC_DEBUG - debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, - &fops_samps); -#endif debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index 794a7ec83a24..9719378f7c73 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -251,56 +251,10 @@ struct ath_stats { u32 reset[__RESET_TYPE_MAX]; }; -#define ATH_DBG_MAX_SAMPLES 10 -struct ath_dbg_bb_mac_samp { - u32 dma_dbg_reg_vals[ATH9K_NUM_DMA_DEBUG_REGS]; - u32 pcu_obs, pcu_cr, noise; - struct { - u64 jiffies; - int8_t rssi_ctl0; - int8_t rssi_ctl1; - int8_t rssi_ctl2; - int8_t rssi_ext0; - int8_t rssi_ext1; - int8_t rssi_ext2; - int8_t rssi; - bool isok; - u8 rts_fail_cnt; - u8 data_fail_cnt; - u8 rateindex; - u8 qid; - u8 tid; - u32 ba_low; - u32 ba_high; - } ts[ATH_DBG_MAX_SAMPLES]; - struct { - u64 jiffies; - int8_t rssi_ctl0; - int8_t rssi_ctl1; - int8_t rssi_ctl2; - int8_t rssi_ext0; - int8_t rssi_ext1; - int8_t rssi_ext2; - int8_t rssi; - bool is_mybeacon; - u8 antenna; - u8 rate; - } rs[ATH_DBG_MAX_SAMPLES]; - struct ath_cycle_counters cc; - struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS]; -}; - struct ath9k_debug { struct dentry *debugfs_phy; u32 regidx; struct ath_stats stats; -#ifdef CONFIG_ATH9K_MAC_DEBUG - spinlock_t samp_lock; - struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES]; - u8 sampidx; - u8 tsidx; - u8 rsidx; -#endif }; int ath9k_init_debug(struct ath_hw *ah); @@ -359,17 +313,4 @@ static inline void ath_debug_stat_rx(struct ath_softc *sc, #endif /* CONFIG_ATH9K_DEBUGFS */ -#ifdef CONFIG_ATH9K_MAC_DEBUG - -void ath9k_debug_samp_bb_mac(struct ath_softc *sc); - -#else - -static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc) -{ -} - -#endif - - #endif /* DEBUG_H */ diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index d3b099d7898b..0085e643132f 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -208,6 +208,9 @@ struct ath9k_htc_target_rx_stats { case NL80211_IFTYPE_AP: \ _priv->num_ap_vif++; \ break; \ + case NL80211_IFTYPE_MESH_POINT: \ + _priv->num_mbss_vif++; \ + break; \ default: \ break; \ } \ @@ -224,6 +227,9 @@ struct ath9k_htc_target_rx_stats { case NL80211_IFTYPE_AP: \ _priv->num_ap_vif--; \ break; \ + case NL80211_IFTYPE_MESH_POINT: \ + _priv->num_mbss_vif--; \ + break; \ default: \ break; \ } \ @@ -450,6 +456,7 @@ struct ath9k_htc_priv { u8 sta_slot; u8 vif_sta_pos[ATH9K_HTC_MAX_VIF]; u8 num_ibss_vif; + u8 num_mbss_vif; u8 num_sta_vif; u8 num_sta_assoc_vif; u8 num_ap_vif; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index f13f458dd656..e0c03bd64182 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -28,7 +28,8 @@ void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv) ath9k_hw_get_txq_props(ah, priv->beaconq, &qi); - if (priv->ah->opmode == NL80211_IFTYPE_AP) { + if (priv->ah->opmode == NL80211_IFTYPE_AP || + priv->ah->opmode == NL80211_IFTYPE_MESH_POINT) { qi.tqi_aifs = 1; qi.tqi_cwmin = 0; qi.tqi_cwmax = 0; @@ -628,6 +629,7 @@ void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, case NL80211_IFTYPE_ADHOC: ath9k_htc_beacon_config_adhoc(priv, cur_conf); break; + case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: ath9k_htc_beacon_config_ap(priv, cur_conf); break; @@ -649,6 +651,7 @@ void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv) case NL80211_IFTYPE_ADHOC: ath9k_htc_beacon_config_adhoc(priv, cur_conf); break; + case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: ath9k_htc_beacon_config_ap(priv, cur_conf); break; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index a47f5e05fc04..59f64367e8ca 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -698,7 +698,8 @@ static const struct ieee80211_iface_limit if_limits[] = { { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_P2P_CLIENT) }, { .max = 2, .types = BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO) }, + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_MESH_POINT) }, }; static const struct ieee80211_iface_combination if_comb = { @@ -721,6 +722,7 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_REPORTS_TX_ACK_STATUS | + IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; hw->wiphy->interface_modes = @@ -728,7 +730,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_CLIENT); + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_MESH_POINT); hw->wiphy->iface_combinations = &if_comb; hw->wiphy->n_iface_combinations = 1; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 0743a47cef8f..34869c2405aa 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -113,7 +113,9 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) struct ath9k_htc_priv *priv = data; struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; - if ((vif->type == NL80211_IFTYPE_AP) && bss_conf->enable_beacon) + if ((vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_MESH_POINT) && + bss_conf->enable_beacon) priv->reconfig_beacon = true; if (bss_conf->assoc) { @@ -180,6 +182,8 @@ static void ath9k_htc_set_opmode(struct ath9k_htc_priv *priv) priv->ah->opmode = NL80211_IFTYPE_ADHOC; else if (priv->num_ap_vif) priv->ah->opmode = NL80211_IFTYPE_AP; + else if (priv->num_mbss_vif) + priv->ah->opmode = NL80211_IFTYPE_MESH_POINT; else priv->ah->opmode = NL80211_IFTYPE_STATION; @@ -810,8 +814,7 @@ void ath9k_htc_ani_work(struct work_struct *work) } /* Verify whether we must check ANI */ - if (ah->config.enable_ani && - (timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { + if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { aniflag = true; common->ani.checkani_timer = timestamp; } @@ -841,8 +844,7 @@ set_timer: * short calibration and long calibration. */ cal_interval = ATH_LONG_CALINTERVAL; - if (ah->config.enable_ani) - cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); + cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL); if (!common->ani.caldone) cal_interval = min(cal_interval, (u32)short_cal_interval); @@ -1052,6 +1054,9 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, case NL80211_IFTYPE_AP: hvif.opmode = HTC_M_HOSTAP; break; + case NL80211_IFTYPE_MESH_POINT: + hvif.opmode = HTC_M_WDS; /* close enough */ + break; default: ath_err(common, "Interface type %d not yet supported\n", vif->type); @@ -1084,6 +1089,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, INC_VIF(priv, vif->type); if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_MESH_POINT) || (vif->type == NL80211_IFTYPE_ADHOC)) ath9k_htc_assign_bslot(priv, vif); @@ -1134,6 +1140,7 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw, DEC_VIF(priv, vif->type); if ((vif->type == NL80211_IFTYPE_AP) || + vif->type == NL80211_IFTYPE_MESH_POINT || (vif->type == NL80211_IFTYPE_ADHOC)) ath9k_htc_remove_bslot(priv, vif); @@ -1525,9 +1532,10 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon) { /* * Disable SWBA interrupt only if there are no - * AP/IBSS interfaces. + * concurrent AP/mesh or IBSS interfaces. */ - if ((priv->num_ap_vif <= 1) || priv->num_ibss_vif) { + if ((priv->num_ap_vif + priv->num_mbss_vif <= 1) || + priv->num_ibss_vif) { ath_dbg(common, CONFIG, "Beacon disabled for BSS: %pM\n", bss_conf->bssid); @@ -1538,12 +1546,15 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_BEACON_INT) { /* - * Reset the HW TSF for the first AP interface. + * Reset the HW TSF for the first AP or mesh interface. */ - if ((priv->ah->opmode == NL80211_IFTYPE_AP) && - (priv->nvifs == 1) && - (priv->num_ap_vif == 1) && - (vif->type == NL80211_IFTYPE_AP)) { + if (priv->nvifs == 1 && + ((priv->ah->opmode == NL80211_IFTYPE_AP && + vif->type == NL80211_IFTYPE_AP && + priv->num_ap_vif == 1) || + (priv->ah->opmode == NL80211_IFTYPE_MESH_POINT && + vif->type == NL80211_IFTYPE_MESH_POINT && + priv->num_mbss_vif == 1))) { set_bit(OP_TSF_RESET, &priv->op_flags); } ath_dbg(common, CONFIG, diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 6bd0e92ea2aa..e602c9519709 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -887,7 +887,7 @@ u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv) if (priv->rxfilter & FIF_PSPOLL) rfilt |= ATH9K_RX_FILTER_PSPOLL; - if (priv->nvifs > 1) + if (priv->nvifs > 1 || priv->rxfilter & FIF_OTHER_BSS) rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL; return rfilt; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 7f25da8444fe..a13f6cea2ba7 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -452,7 +452,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah) ah->config.pcie_clock_req = 0; ah->config.pcie_waen = 0; ah->config.analog_shiftreg = 1; - ah->config.enable_ani = true; for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { ah->config.spurchans[i][0] = AR_NO_SPUR; @@ -549,8 +548,7 @@ static int ath9k_hw_post_init(struct ath_hw *ah) ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah)); - if (ah->config.enable_ani) - ath9k_hw_ani_init(ah); + ath9k_hw_ani_init(ah); return 0; } @@ -1245,10 +1243,10 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode) switch (opmode) { case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_MESH_POINT: set |= AR_STA_ID1_ADHOC; REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION); break; + case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: set |= AR_STA_ID1_STA_AP; /* fall through */ @@ -2246,12 +2244,12 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period) switch (ah->opmode) { case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_MESH_POINT: REG_SET_BIT(ah, AR_TXCFG, AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); REG_WRITE(ah, AR_NEXT_NDP_TIMER, next_beacon + TU_TO_USEC(ah->atim_window ? ah->atim_window : 1)); flags |= AR_NDP_TIMER_EN; + case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon); REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, next_beacon - @@ -2595,13 +2593,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) pCap->hw_caps |= ATH9K_HW_CAP_RTT; } - if (AR_SREV_9280_20_OR_LATER(ah)) { - pCap->hw_caps |= ATH9K_HW_WOW_DEVICE_CAPABLE | - ATH9K_HW_WOW_PATTERN_MATCH_EXACT; - - if (AR_SREV_9280(ah)) - pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD; - } + if (AR_SREV_9462(ah)) + pCap->hw_caps |= ATH9K_HW_WOW_DEVICE_CAPABLE; if (AR_SREV_9300_20_OR_LATER(ah) && ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index ae3034374bc4..7d259b7dc254 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -246,9 +246,7 @@ enum ath9k_hw_caps { ATH9K_HW_CAP_MCI = BIT(15), ATH9K_HW_CAP_DFS = BIT(16), ATH9K_HW_WOW_DEVICE_CAPABLE = BIT(17), - ATH9K_HW_WOW_PATTERN_MATCH_EXACT = BIT(18), - ATH9K_HW_WOW_PATTERN_MATCH_DWORD = BIT(19), - ATH9K_HW_CAP_PAPRD = BIT(20), + ATH9K_HW_CAP_PAPRD = BIT(18), }; /* @@ -291,7 +289,6 @@ struct ath9k_ops_config { u32 ofdm_trig_high; u32 cck_trig_high; u32 cck_trig_low; - u32 enable_ani; u32 enable_paprd; int serialize_regmode; bool rx_intr_mitigation; @@ -423,7 +420,6 @@ struct ath9k_hw_cal_data { struct ath9k_channel { struct ieee80211_channel *chan; - struct ar5416AniState ani; u16 channel; u32 channelFlags; u32 chanmode; @@ -854,10 +850,10 @@ struct ath_hw { u32 globaltxtimeout; /* ANI */ - u32 proc_phyerr; u32 aniperiod; enum ath9k_ani_cmd ani_function; u32 ani_skip_count; + struct ar5416AniState ani; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT struct ath_btcoex_hw btcoex_hw; @@ -882,9 +878,6 @@ struct ath_hw { struct ar5416IniArray iniBank6; struct ar5416IniArray iniAddac; struct ar5416IniArray iniPcieSerdes; -#ifdef CONFIG_PM_SLEEP - struct ar5416IniArray iniPcieSerdesWow; -#endif struct ar5416IniArray iniPcieSerdesLowPower; struct ar5416IniArray iniModesFastClock; struct ar5416IniArray iniAdditional; @@ -1165,8 +1158,6 @@ static inline void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) } #endif - - #define ATH9K_CLOCK_RATE_CCK 22 #define ATH9K_CLOCK_RATE_5GHZ_OFDM 40 #define ATH9K_CLOCK_RATE_2GHZ_OFDM 44 diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index f993362e9e13..f359b0d7078d 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -21,6 +21,7 @@ #include <linux/ath9k_platform.h> #include <linux/module.h> #include <linux/relay.h> +#include <net/ieee80211_radiotap.h> #include "ath9k.h" @@ -613,9 +614,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, spin_lock_init(&sc->sc_serial_rw); spin_lock_init(&sc->sc_pm_lock); mutex_init(&sc->mutex); -#ifdef CONFIG_ATH9K_MAC_DEBUG - spin_lock_init(&sc->debug.samp_lock); -#endif tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet, (unsigned long)sc); @@ -778,12 +776,19 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_RC_TABLE; - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) - hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { + hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; + + if (AR_SREV_9280_20_OR_LATER(ah)) + hw->radiotap_mcs_details |= + IEEE80211_RADIOTAP_MCS_HAVE_STBC; + } if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt) hw->flags |= IEEE80211_HW_MFP_CAPABLE; + hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT) | @@ -804,14 +809,12 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; #ifdef CONFIG_PM_SLEEP - if ((ah->caps.hw_caps & ATH9K_HW_WOW_DEVICE_CAPABLE) && device_can_wakeup(sc->dev)) hw->wiphy->wowlan = &ath9k_wowlan_support; atomic_set(&sc->wow_sleep_proc_intr, -1); atomic_set(&sc->wow_got_bmiss_intr, -1); - #endif hw->queues = 4; diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index 849259b07370..fff5d3ccc663 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -390,9 +390,7 @@ void ath_ani_calibrate(unsigned long data) } /* Verify whether we must check ANI */ - if (sc->sc_ah->config.enable_ani - && (timestamp - common->ani.checkani_timer) >= - ah->config.ani_poll_interval) { + if ((timestamp - common->ani.checkani_timer) >= ah->config.ani_poll_interval) { aniflag = true; common->ani.checkani_timer = timestamp; } @@ -418,7 +416,6 @@ void ath_ani_calibrate(unsigned long data) longcal ? "long" : "", shortcal ? "short" : "", aniflag ? "ani" : "", common->ani.caldone ? "true" : "false"); - ath9k_debug_samp_bb_mac(sc); ath9k_ps_restore(sc); set_timer: @@ -428,9 +425,7 @@ set_timer: * short calibration and long calibration. */ cal_interval = ATH_LONG_CALINTERVAL; - if (sc->sc_ah->config.enable_ani) - cal_interval = min(cal_interval, - (u32)ah->config.ani_poll_interval); + cal_interval = min(cal_interval, (u32)ah->config.ani_poll_interval); if (!common->ani.caldone) cal_interval = min(cal_interval, (u32)short_cal_interval); diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 498fee04afa0..d055e389abfc 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -547,6 +547,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, rs->rs_status = 0; rs->rs_flags = 0; + rs->flag = 0; rs->rs_datalen = ads.ds_rxstatus1 & AR_DataLen; rs->rs_tstamp = ads.AR_RcvTimestamp; @@ -586,10 +587,17 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, rs->rs_moreaggr = (ads.ds_rxstatus8 & AR_RxMoreAggr) ? 1 : 0; rs->rs_antenna = MS(ads.ds_rxstatus3, AR_RxAntenna); - rs->rs_flags = - (ads.ds_rxstatus3 & AR_GI) ? ATH9K_RX_GI : 0; - rs->rs_flags |= - (ads.ds_rxstatus3 & AR_2040) ? ATH9K_RX_2040 : 0; + + /* directly mapped flags for ieee80211_rx_status */ + rs->flag |= + (ads.ds_rxstatus3 & AR_GI) ? RX_FLAG_SHORT_GI : 0; + rs->flag |= + (ads.ds_rxstatus3 & AR_2040) ? RX_FLAG_40MHZ : 0; + if (AR_SREV_9280_20_OR_LATER(ah)) + rs->flag |= + (ads.ds_rxstatus3 & AR_STBC) ? + /* we can only Nss=1 STBC */ + (1 << RX_FLAG_STBC_SHIFT) : 0; if (ads.ds_rxstatus8 & AR_PreDelimCRCErr) rs->rs_flags |= ATH9K_RX_DELIM_CRC_PRE; diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index 5865f92998e1..b02dfce964b4 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -149,6 +149,7 @@ struct ath_rx_status { u32 evm2; u32 evm3; u32 evm4; + u32 flag; /* see enum mac80211_rx_flags */ }; struct ath_htc_rx_status { @@ -533,7 +534,8 @@ struct ar5416_desc { #define AR_2040 0x00000002 #define AR_Parallel40 0x00000004 #define AR_Parallel40_S 2 -#define AR_RxStatusRsvd30 0x000000f8 +#define AR_STBC 0x00000008 /* on ar9280 and later */ +#define AR_RxStatusRsvd30 0x000000f0 #define AR_RxAntenna 0xffffff00 #define AR_RxAntenna_S 8 diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a18414b5948b..cc5a98b8d187 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -193,7 +193,6 @@ static bool ath_prepare_reset(struct ath_softc *sc) ath_stop_ani(sc); del_timer_sync(&sc->rx_poll_timer); - ath9k_debug_samp_bb_mac(sc); ath9k_hw_disable_interrupts(ah); if (!ath_drain_all_txq(sc)) @@ -1273,7 +1272,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) curchan->center_freq); } else { /* perform spectral scan if requested. */ - if (sc->scanning && + if (test_bit(SC_OP_SCANNING, &sc->sc_flags) && sc->spectral_mode == SPECTRAL_CHANSCAN) ath9k_spectral_scan_trigger(hw); } @@ -1689,7 +1688,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; int ret = 0; - local_bh_disable(); + mutex_lock(&sc->mutex); switch (action) { case IEEE80211_AMPDU_RX_START: @@ -1720,7 +1719,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, ath_err(ath9k_hw_common(sc->sc_ah), "Unknown AMPDU action\n"); } - local_bh_enable(); + mutex_unlock(&sc->mutex); return ret; } @@ -2004,7 +2003,6 @@ static void ath9k_wow_add_disassoc_deauth_pattern(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - struct ath9k_hw_capabilities *pcaps = &ah->caps; int pattern_count = 0; int i, byte_cnt; u8 dis_deauth_pattern[MAX_PATTERN_SIZE]; @@ -2074,36 +2072,9 @@ static void ath9k_wow_add_disassoc_deauth_pattern(struct ath_softc *sc) /* Create Disassociate pattern mask */ - if (pcaps->hw_caps & ATH9K_HW_WOW_PATTERN_MATCH_EXACT) { - - if (pcaps->hw_caps & ATH9K_HW_WOW_PATTERN_MATCH_DWORD) { - /* - * for AR9280, because of hardware limitation, the - * first 4 bytes have to be matched for all patterns. - * the mask for disassociation and de-auth pattern - * matching need to enable the first 4 bytes. - * also the duration field needs to be filled. - */ - dis_deauth_mask[0] = 0xf0; - - /* - * fill in duration field - FIXME: what is the exact value ? - */ - dis_deauth_pattern[2] = 0xff; - dis_deauth_pattern[3] = 0xff; - } else { - dis_deauth_mask[0] = 0xfe; - } - - dis_deauth_mask[1] = 0x03; - dis_deauth_mask[2] = 0xc0; - } else { - dis_deauth_mask[0] = 0xef; - dis_deauth_mask[1] = 0x3f; - dis_deauth_mask[2] = 0x00; - dis_deauth_mask[3] = 0xfc; - } + dis_deauth_mask[0] = 0xfe; + dis_deauth_mask[1] = 0x03; + dis_deauth_mask[2] = 0xc0; ath_dbg(common, WOW, "Adding disassoc/deauth patterns for WoW\n"); @@ -2339,15 +2310,13 @@ static void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) static void ath9k_sw_scan_start(struct ieee80211_hw *hw) { struct ath_softc *sc = hw->priv; - - sc->scanning = 1; + set_bit(SC_OP_SCANNING, &sc->sc_flags); } static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) { struct ath_softc *sc = hw->priv; - - sc->scanning = 0; + clear_bit(SC_OP_SCANNING, &sc->sc_flags); } struct ieee80211_ops ath9k_ops = { diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 8be2b5d8c155..865e043e8aa6 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -868,10 +868,7 @@ static int ath9k_process_rate(struct ath_common *common, if (rx_stats->rs_rate & 0x80) { /* HT rate */ rxs->flag |= RX_FLAG_HT; - if (rx_stats->rs_flags & ATH9K_RX_2040) - rxs->flag |= RX_FLAG_40MHZ; - if (rx_stats->rs_flags & ATH9K_RX_GI) - rxs->flag |= RX_FLAG_SHORT_GI; + rxs->flag |= rx_stats->flag; rxs->rate_idx = rx_stats->rs_rate & 0x7f; return 0; } @@ -958,11 +955,11 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, if (rx_stats->rs_more) return 0; - ath9k_process_rssi(common, hw, hdr, rx_stats); - if (ath9k_process_rate(common, hw, rx_stats, rx_status)) return -EINVAL; + ath9k_process_rssi(common, hw, hdr, rx_stats); + rx_status->band = hw->conf.chandef.chan->band; rx_status->freq = hw->conf.chandef.chan->center_freq; rx_status->signal = ah->noise + rx_stats->rs_rssi; diff --git a/drivers/net/wireless/ath/ath9k/wow.c b/drivers/net/wireless/ath/ath9k/wow.c index 9f8563091bea..81c88dd606dc 100644 --- a/drivers/net/wireless/ath/ath9k/wow.c +++ b/drivers/net/wireless/ath/ath9k/wow.c @@ -34,17 +34,6 @@ const char *ath9k_hw_wow_event_to_string(u32 wow_event) } EXPORT_SYMBOL(ath9k_hw_wow_event_to_string); -static void ath9k_hw_config_serdes_wow_sleep(struct ath_hw *ah) -{ - int i; - - for (i = 0; i < ah->iniPcieSerdesWow.ia_rows; i++) - REG_WRITE(ah, INI_RA(&ah->iniPcieSerdesWow, i, 0), - INI_RA(&ah->iniPcieSerdesWow, i, 1)); - - usleep_range(1000, 1500); -} - static void ath9k_hw_set_powermode_wow_sleep(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); @@ -58,15 +47,8 @@ static void ath9k_hw_set_powermode_wow_sleep(struct ath_hw *ah) ath_err(common, "Failed to stop Rx DMA in 10ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n", REG_READ(ah, AR_CR), REG_READ(ah, AR_DIAG_SW)); return; - } else { - if (!AR_SREV_9300_20_OR_LATER(ah)) - REG_WRITE(ah, AR_RXDP, 0x0); } - /* AR9280 WoW has sleep issue, do not set it to sleep */ - if (AR_SREV_9280_20(ah)) - return; - REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_ON_INT); } @@ -84,27 +66,16 @@ static void ath9k_wow_create_keep_alive_pattern(struct ath_hw *ah) /* set the transmit buffer */ ctl[0] = (KAL_FRAME_LEN | (MAX_RATE_POWER << 16)); - - if (!(AR_SREV_9300_20_OR_LATER(ah))) - ctl[0] += (KAL_ANTENNA_MODE << 25); - ctl[1] = 0; ctl[3] = 0xb; /* OFDM_6M hardware value for this rate */ ctl[4] = 0; ctl[7] = (ah->txchainmask) << 2; - - if (AR_SREV_9300_20_OR_LATER(ah)) - ctl[2] = 0xf << 16; /* tx_tries 0 */ - else - ctl[2] = 0x7 << 16; /* tx_tries 0 */ - + ctl[2] = 0xf << 16; /* tx_tries 0 */ for (i = 0; i < KAL_NUM_DESC_WORDS; i++) REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + i * 4), ctl[i]); - /* for AR9300 family 13 descriptor words */ - if (AR_SREV_9300_20_OR_LATER(ah)) - REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + i * 4), ctl[i]); + REG_WRITE(ah, (AR_WOW_KA_DESC_WORD2 + i * 4), ctl[i]); data_word[0] = (KAL_FRAME_TYPE << 2) | (KAL_FRAME_SUB_TYPE << 4) | (KAL_TO_DS << 8) | (KAL_DURATION_ID << 16); @@ -183,9 +154,6 @@ void ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern, ah->wow_event_mask |= BIT(pattern_count + AR_WOW_PAT_FOUND_SHIFT); - if (!AR_SREV_9285_12_OR_LATER(ah)) - return; - if (pattern_count < 4) { /* Pattern 0-3 uses AR_WOW_LENGTH1 register */ set = (pattern_len & AR_WOW_LENGTH_MAX) << @@ -207,6 +175,7 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah) { u32 wow_status = 0; u32 val = 0, rval; + /* * read the WoW status register to know * the wakeup reason @@ -223,19 +192,14 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah) val &= ah->wow_event_mask; if (val) { - if (val & AR_WOW_MAGIC_PAT_FOUND) wow_status |= AH_WOW_MAGIC_PATTERN_EN; - if (AR_WOW_PATTERN_FOUND(val)) wow_status |= AH_WOW_USER_PATTERN_EN; - if (val & AR_WOW_KEEP_ALIVE_FAIL) wow_status |= AH_WOW_LINK_CHANGE; - if (val & AR_WOW_BEACON_FAIL) wow_status |= AH_WOW_BEACON_MISS; - } /* @@ -255,17 +219,6 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah) AR_WOW_CLEAR_EVENTS(REG_READ(ah, AR_WOW_PATTERN))); /* - * tie reset register for AR9002 family of chipsets - * NB: not tieing it back might have some repurcussions. - */ - - if (!AR_SREV_9300_20_OR_LATER(ah)) { - REG_SET_BIT(ah, AR_WA, AR_WA_UNTIE_RESET_EN | - AR_WA_POR_SHORT | AR_WA_RESET_EN); - } - - - /* * restore the beacon threshold to init value */ REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); @@ -277,8 +230,7 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah) * reset to our Chip's Power On Reset so that any PCI-E * reset from the bus will not reset our chip */ - - if (AR_SREV_9280_20_OR_LATER(ah) && ah->is_pciexpress) + if (ah->is_pciexpress) ath9k_hw_configpcipowersave(ah, false); ah->wow_event_mask = 0; @@ -298,7 +250,6 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) * are from the 'pattern_enable' in this function and * 'pattern_count' of ath9k_hw_wow_apply_pattern() */ - wow_event_mask = ah->wow_event_mask; /* @@ -306,50 +257,15 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) * WOW sleep, we do want the Reset from the PCI-E to disturb * our hw state */ - if (ah->is_pciexpress) { - /* * we need to untie the internal POR (power-on-reset) * to the external PCI-E reset. We also need to tie * the PCI-E Phy reset to the PCI-E reset. */ - - if (AR_SREV_9300_20_OR_LATER(ah)) { - set = AR_WA_RESET_EN | AR_WA_POR_SHORT; - clr = AR_WA_UNTIE_RESET_EN | AR_WA_D3_L1_DISABLE; - REG_RMW(ah, AR_WA, set, clr); - } else { - if (AR_SREV_9285(ah) || AR_SREV_9287(ah)) - set = AR9285_WA_DEFAULT; - else - set = AR9280_WA_DEFAULT; - - /* - * In AR9280 and AR9285, bit 14 in WA register - * (disable L1) should only be set when device - * enters D3 state and be cleared when device - * comes back to D0 - */ - - if (ah->config.pcie_waen & AR_WA_D3_L1_DISABLE) - set |= AR_WA_D3_L1_DISABLE; - - clr = AR_WA_UNTIE_RESET_EN; - set |= AR_WA_RESET_EN | AR_WA_POR_SHORT; - REG_RMW(ah, AR_WA, set, clr); - - /* - * for WoW sleep, we reprogram the SerDes so that the - * PLL and CLK REQ are both enabled. This uses more - * power but otherwise WoW sleep is unstable and the - * chip may disappear. - */ - - if (AR_SREV_9285_12_OR_LATER(ah)) - ath9k_hw_config_serdes_wow_sleep(ah); - - } + set = AR_WA_RESET_EN | AR_WA_POR_SHORT; + clr = AR_WA_UNTIE_RESET_EN | AR_WA_D3_L1_DISABLE; + REG_RMW(ah, AR_WA, set, clr); } /* @@ -378,7 +294,6 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) * Program default values for pattern backoff, aifs/slot/KAL count, * beacon miss timeout, KAL timeout, etc. */ - set = AR_WOW_BACK_OFF_SHIFT(AR_WOW_PAT_BACKOFF); REG_SET_BIT(ah, AR_WOW_PATTERN, set); @@ -398,7 +313,7 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) /* * Keep alive timo in ms except AR9280 */ - if (!pattern_enable || AR_SREV_9280(ah)) + if (!pattern_enable) set = AR_WOW_KEEP_ALIVE_NEVER; else set = KAL_TIMEOUT * 32; @@ -420,7 +335,6 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) /* * Configure MAC WoW Registers */ - set = 0; /* Send keep alive timeouts anyway */ clr = AR_WOW_KEEP_ALIVE_AUTO_DIS; @@ -430,16 +344,9 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) else set = AR_WOW_KEEP_ALIVE_FAIL_DIS; - /* - * FIXME: For now disable keep alive frame - * failure. This seems to sometimes trigger - * unnecessary wake up with AR9485 chipsets. - */ set = AR_WOW_KEEP_ALIVE_FAIL_DIS; - REG_RMW(ah, AR_WOW_KEEP_ALIVE, set, clr); - /* * we are relying on a bmiss failure. ensure we have * enough threshold to prevent false positives @@ -473,14 +380,8 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) set |= AR_WOW_MAC_INTR_EN; REG_RMW(ah, AR_WOW_PATTERN, set, clr); - /* - * For AR9285 and later version of chipsets - * enable WoW pattern match for packets less - * than 256 bytes for all patterns - */ - if (AR_SREV_9285_12_OR_LATER(ah)) - REG_WRITE(ah, AR_WOW_PATTERN_MATCH_LT_256B, - AR_WOW_PATTERN_SUPPORTED); + REG_WRITE(ah, AR_WOW_PATTERN_MATCH_LT_256B, + AR_WOW_PATTERN_SUPPORTED); /* * Set the power states appropriately and enable PME @@ -488,43 +389,32 @@ void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable) clr = 0; set = AR_PMCTRL_PWR_STATE_D1D3 | AR_PMCTRL_HOST_PME_EN | AR_PMCTRL_PWR_PM_CTRL_ENA; - /* - * This is needed for AR9300 chipsets to wake-up - * the host. - */ - if (AR_SREV_9300_20_OR_LATER(ah)) - clr = AR_PCIE_PM_CTRL_ENA; + clr = AR_PCIE_PM_CTRL_ENA; REG_RMW(ah, AR_PCIE_PM_CTRL, set, clr); - if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) { - /* - * this is needed to prevent the chip waking up - * the host within 3-4 seconds with certain - * platform/BIOS. The fix is to enable - * D1 & D3 to match original definition and - * also match the OTP value. Anyway this - * is more related to SW WOW. - */ - clr = AR_PMCTRL_PWR_STATE_D1D3; - REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, clr); - - set = AR_PMCTRL_PWR_STATE_D1D3_REAL; - REG_SET_BIT(ah, AR_PCIE_PM_CTRL, set); - } - + /* + * this is needed to prevent the chip waking up + * the host within 3-4 seconds with certain + * platform/BIOS. The fix is to enable + * D1 & D3 to match original definition and + * also match the OTP value. Anyway this + * is more related to SW WOW. + */ + clr = AR_PMCTRL_PWR_STATE_D1D3; + REG_CLR_BIT(ah, AR_PCIE_PM_CTRL, clr); + set = AR_PMCTRL_PWR_STATE_D1D3_REAL; + REG_SET_BIT(ah, AR_PCIE_PM_CTRL, set); REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM); - if (AR_SREV_9300_20_OR_LATER(ah)) { - /* to bring down WOW power low margin */ - set = BIT(13); - REG_SET_BIT(ah, AR_PCIE_PHY_REG3, set); - /* HW WoW */ - clr = BIT(5); - REG_CLR_BIT(ah, AR_PCU_MISC_MODE3, clr); - } + /* to bring down WOW power low margin */ + set = BIT(13); + REG_SET_BIT(ah, AR_PCIE_PHY_REG3, set); + /* HW WoW */ + clr = BIT(5); + REG_CLR_BIT(ah, AR_PCU_MISC_MODE3, clr); ath9k_hw_set_powermode_wow_sleep(ah); ah->wow_event_mask = wow_event_mask; diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig index bac3d98a0cfb..5644ac54facc 100644 --- a/drivers/net/wireless/ath/wil6210/Kconfig +++ b/drivers/net/wireless/ath/wil6210/Kconfig @@ -27,3 +27,15 @@ config WIL6210_ISR_COR self-clear when accessed for debug purposes, it makes such monitoring impossible. Say y unless you debug interrupts + +config ATH6KL_TRACING + bool "wil6210 tracing support" + depends on WIL6210 + depends on EVENT_TRACING + default y + ---help--- + Say Y here to enable tracepoints for the wil6210 driver + using the kernel tracing infrastructure. Select this + option if you are interested in debugging the driver. + + If unsure, say Y to make it easier to debug problems. diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile index d288eea0a26a..f891d514d881 100644 --- a/drivers/net/wireless/ath/wil6210/Makefile +++ b/drivers/net/wireless/ath/wil6210/Makefile @@ -1,15 +1,20 @@ obj-$(CONFIG_WIL6210) += wil6210.o -wil6210-objs := main.o -wil6210-objs += netdev.o -wil6210-objs += cfg80211.o -wil6210-objs += pcie_bus.o -wil6210-objs += debugfs.o -wil6210-objs += wmi.o -wil6210-objs += interrupt.o -wil6210-objs += txrx.o +wil6210-y := main.o +wil6210-y += netdev.o +wil6210-y += cfg80211.o +wil6210-y += pcie_bus.o +wil6210-y += debugfs.o +wil6210-y += wmi.o +wil6210-y += interrupt.o +wil6210-y += txrx.o +wil6210-y += debug.o +wil6210-$(CONFIG_WIL6210_TRACING) += trace.o ifeq (, $(findstring -W,$(EXTRA_CFLAGS))) subdir-ccflags-y += -Werror endif +# for tracing framework to find trace.h +CFLAGS_trace.o := -I$(src) + subdir-ccflags-y += -D__CHECK_ENDIAN__ diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index c5d4a87abaaf..4eb05d0818c3 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -322,12 +322,16 @@ static int wil_cfg80211_connect(struct wiphy *wiphy, * FW don't support scan after connection attempt */ set_bit(wil_status_dontscan, &wil->status); + set_bit(wil_status_fwconnecting, &wil->status); rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); if (rc == 0) { /* Connect can take lots of time */ mod_timer(&wil->connect_timer, jiffies + msecs_to_jiffies(2000)); + } else { + clear_bit(wil_status_dontscan, &wil->status); + clear_bit(wil_status_fwconnecting, &wil->status); } out: diff --git a/drivers/net/wireless/ath/wil6210/debug.c b/drivers/net/wireless/ath/wil6210/debug.c new file mode 100644 index 000000000000..9eeabf4a5879 --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/debug.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "wil6210.h" +#include "trace.h" + +int wil_err(struct wil6210_priv *wil, const char *fmt, ...) +{ + struct net_device *ndev = wil_to_ndev(wil); + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + int ret; + + va_start(args, fmt); + vaf.va = &args; + ret = netdev_err(ndev, "%pV", &vaf); + trace_wil6210_log_err(&vaf); + va_end(args); + + return ret; +} + +int wil_info(struct wil6210_priv *wil, const char *fmt, ...) +{ + struct net_device *ndev = wil_to_ndev(wil); + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + int ret; + + va_start(args, fmt); + vaf.va = &args; + ret = netdev_info(ndev, "%pV", &vaf); + trace_wil6210_log_info(&vaf); + va_end(args); + + return ret; +} + +int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + trace_wil6210_log_dbg(&vaf); + va_end(args); + + return 0; +} diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 727b1f53e6ad..e8308ec30970 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -418,9 +418,15 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data) if (skb) { unsigned char printbuf[16 * 3 + 2]; int i = 0; - int len = skb_headlen(skb); + int len = le16_to_cpu(d->dma.length); void *p = skb->data; + if (len != skb_headlen(skb)) { + seq_printf(s, "!!! len: desc = %d skb = %d\n", + len, skb_headlen(skb)); + len = min_t(int, len, skb_headlen(skb)); + } + seq_printf(s, " len = %d\n", len); while (i < len) { diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index e3c1e7684f9c..8205d3e4ab66 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include "wil6210.h" +#include "trace.h" /** * Theory of operation: @@ -103,14 +104,14 @@ static void wil6210_mask_irq_pseudo(struct wil6210_priv *wil) clear_bit(wil_status_irqen, &wil->status); } -static void wil6210_unmask_irq_tx(struct wil6210_priv *wil) +void wil6210_unmask_irq_tx(struct wil6210_priv *wil) { iowrite32(WIL6210_IMC_TX, wil->csr + HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, IMC)); } -static void wil6210_unmask_irq_rx(struct wil6210_priv *wil) +void wil6210_unmask_irq_rx(struct wil6210_priv *wil) { iowrite32(WIL6210_IMC_RX, wil->csr + HOSTADDR(RGF_DMA_EP_RX_ICR) + @@ -168,6 +169,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_RX_ICR) + offsetof(struct RGF_ICR, ICR)); + trace_wil6210_irq_rx(isr); wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr); if (!isr) { @@ -180,13 +182,14 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) if (isr & BIT_DMA_EP_RX_ICR_RX_DONE) { wil_dbg_irq(wil, "RX done\n"); isr &= ~BIT_DMA_EP_RX_ICR_RX_DONE; - wil_rx_handle(wil); + wil_dbg_txrx(wil, "NAPI schedule\n"); + napi_schedule(&wil->napi_rx); } if (isr) wil_err(wil, "un-handled RX ISR bits 0x%08x\n", isr); - wil6210_unmask_irq_rx(wil); + /* Rx IRQ will be enabled when NAPI processing finished */ return IRQ_HANDLED; } @@ -198,6 +201,7 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, ICR)); + trace_wil6210_irq_tx(isr); wil_dbg_irq(wil, "ISR TX 0x%08x\n", isr); if (!isr) { @@ -208,23 +212,17 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) wil6210_mask_irq_tx(wil); if (isr & BIT_DMA_EP_TX_ICR_TX_DONE) { - uint i; wil_dbg_irq(wil, "TX done\n"); + napi_schedule(&wil->napi_tx); isr &= ~BIT_DMA_EP_TX_ICR_TX_DONE; - for (i = 0; i < 24; i++) { - u32 mask = BIT_DMA_EP_TX_ICR_TX_DONE_N(i); - if (isr & mask) { - isr &= ~mask; - wil_dbg_irq(wil, "TX done(%i)\n", i); - wil_tx_complete(wil, i); - } - } + /* clear also all VRING interrupts */ + isr &= ~(BIT(25) - 1UL); } if (isr) wil_err(wil, "un-handled TX ISR bits 0x%08x\n", isr); - wil6210_unmask_irq_tx(wil); + /* Tx IRQ will be enabled when NAPI processing finished */ return IRQ_HANDLED; } @@ -256,6 +254,7 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie) HOSTADDR(RGF_DMA_EP_MISC_ICR) + offsetof(struct RGF_ICR, ICR)); + trace_wil6210_irq_misc(isr); wil_dbg_irq(wil, "ISR MISC 0x%08x\n", isr); if (!isr) { @@ -301,6 +300,7 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie) struct wil6210_priv *wil = cookie; u32 isr = wil->isr_misc; + trace_wil6210_irq_misc_thread(isr); wil_dbg_irq(wil, "Thread ISR MISC 0x%08x\n", isr); if (isr & ISR_MISC_FW_ERROR) { @@ -408,6 +408,7 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) if (wil6210_debug_irq_mask(wil, pseudo_cause)) return IRQ_NONE; + trace_wil6210_irq_pseudo(pseudo_cause); wil_dbg_irq(wil, "Pseudo IRQ 0x%08x\n", pseudo_cause); wil6210_mask_irq_pseudo(wil); diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index a0478e2f6868..c97b864667c5 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -56,27 +56,21 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid) { uint i; struct net_device *ndev = wil_to_ndev(wil); - struct wireless_dev *wdev = wil->wdev; wil_dbg_misc(wil, "%s()\n", __func__); wil_link_off(wil); - clear_bit(wil_status_fwconnected, &wil->status); - - switch (wdev->sme_state) { - case CFG80211_SME_CONNECTED: - cfg80211_disconnected(ndev, WLAN_STATUS_UNSPECIFIED_FAILURE, + if (test_bit(wil_status_fwconnected, &wil->status)) { + clear_bit(wil_status_fwconnected, &wil->status); + cfg80211_disconnected(ndev, + WLAN_STATUS_UNSPECIFIED_FAILURE, NULL, 0, GFP_KERNEL); - break; - case CFG80211_SME_CONNECTING: + } else if (test_bit(wil_status_fwconnecting, &wil->status)) { cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); - break; - default: - break; } - + clear_bit(wil_status_fwconnecting, &wil->status); for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) wil_vring_fini_tx(wil, i); @@ -365,6 +359,9 @@ static int __wil_up(struct wil6210_priv *wil) /* Rx VRING. After MAC and beacon */ wil_rx_init(wil); + napi_enable(&wil->napi_rx); + napi_enable(&wil->napi_tx); + return 0; } @@ -381,6 +378,9 @@ int wil_up(struct wil6210_priv *wil) static int __wil_down(struct wil6210_priv *wil) { + napi_disable(&wil->napi_rx); + napi_disable(&wil->napi_tx); + if (wil->scan_request) { cfg80211_scan_done(wil->scan_request, true); wil->scan_request = NULL; diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 098a8ec6b841..29dd1e58cb17 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -40,6 +40,55 @@ static const struct net_device_ops wil_netdev_ops = { .ndo_validate_addr = eth_validate_addr, }; +static int wil6210_netdev_poll_rx(struct napi_struct *napi, int budget) +{ + struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, + napi_rx); + int quota = budget; + int done; + + wil_rx_handle(wil, "a); + done = budget - quota; + + if (done <= 1) { /* burst ends - only one packet processed */ + napi_complete(napi); + wil6210_unmask_irq_rx(wil); + wil_dbg_txrx(wil, "NAPI RX complete\n"); + } + + wil_dbg_txrx(wil, "NAPI RX poll(%d) done %d\n", budget, done); + + return done; +} + +static int wil6210_netdev_poll_tx(struct napi_struct *napi, int budget) +{ + struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, + napi_tx); + int tx_done = 0; + uint i; + + /* always process ALL Tx complete, regardless budget - it is fast */ + for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { + struct vring *vring = &wil->vring_tx[i]; + + if (!vring->va) + continue; + + tx_done += wil_tx_complete(wil, i); + } + + if (tx_done <= 1) { /* burst ends - only one packet processed */ + napi_complete(napi); + wil6210_unmask_irq_tx(wil); + wil_dbg_txrx(wil, "NAPI TX complete\n"); + } + + wil_dbg_txrx(wil, "NAPI TX poll(%d) done %d\n", budget, tx_done); + + return min(tx_done, budget); +} + void *wil_if_alloc(struct device *dev, void __iomem *csr) { struct net_device *ndev; @@ -81,6 +130,11 @@ void *wil_if_alloc(struct device *dev, void __iomem *csr) SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); wdev->netdev = ndev; + netif_napi_add(ndev, &wil->napi_rx, wil6210_netdev_poll_rx, + WIL6210_NAPI_BUDGET); + netif_napi_add(ndev, &wil->napi_tx, wil6210_netdev_poll_tx, + WIL6210_NAPI_BUDGET); + wil_link_off(wil); return wil; diff --git a/drivers/net/wireless/ath/wil6210/trace.c b/drivers/net/wireless/ath/wil6210/trace.c new file mode 100644 index 000000000000..cd2534b9c5aa --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/trace.c @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/module.h> + +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/net/wireless/ath/wil6210/trace.h b/drivers/net/wireless/ath/wil6210/trace.h new file mode 100644 index 000000000000..eff1239be53a --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/trace.h @@ -0,0 +1,235 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM wil6210 +#if !defined(WIL6210_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define WIL6210_TRACE_H + +#include <linux/tracepoint.h> +#include "wil6210.h" +#include "txrx.h" + +/* create empty functions when tracing is disabled */ +#if !defined(CONFIG_WIL6210_TRACING) || defined(__CHECKER__) + +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#undef DECLARE_EVENT_CLASS +#define DECLARE_EVENT_CLASS(...) +#undef DEFINE_EVENT +#define DEFINE_EVENT(evt_class, name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#endif /* !CONFIG_WIL6210_TRACING || defined(__CHECKER__) */ + +DECLARE_EVENT_CLASS(wil6210_wmi, + TP_PROTO(u16 id, void *buf, u16 buf_len), + + TP_ARGS(id, buf, buf_len), + + TP_STRUCT__entry( + __field(u16, id) + __field(u16, buf_len) + __dynamic_array(u8, buf, buf_len) + ), + + TP_fast_assign( + __entry->id = id; + __entry->buf_len = buf_len; + memcpy(__get_dynamic_array(buf), buf, buf_len); + ), + + TP_printk( + "id 0x%04x len %d", + __entry->id, __entry->buf_len + ) +); + +DEFINE_EVENT(wil6210_wmi, wil6210_wmi_cmd, + TP_PROTO(u16 id, void *buf, u16 buf_len), + TP_ARGS(id, buf, buf_len) +); + +DEFINE_EVENT(wil6210_wmi, wil6210_wmi_event, + TP_PROTO(u16 id, void *buf, u16 buf_len), + TP_ARGS(id, buf, buf_len) +); + +#define WIL6210_MSG_MAX (200) + +DECLARE_EVENT_CLASS(wil6210_log_event, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf), + TP_STRUCT__entry( + __dynamic_array(char, msg, WIL6210_MSG_MAX) + ), + TP_fast_assign( + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + WIL6210_MSG_MAX, + vaf->fmt, + *vaf->va) >= WIL6210_MSG_MAX); + ), + TP_printk("%s", __get_str(msg)) +); + +DEFINE_EVENT(wil6210_log_event, wil6210_log_err, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(wil6210_log_event, wil6210_log_info, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(wil6210_log_event, wil6210_log_dbg, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +#define wil_pseudo_irq_cause(x) __print_flags(x, "|", \ + {BIT_DMA_PSEUDO_CAUSE_RX, "Rx" }, \ + {BIT_DMA_PSEUDO_CAUSE_TX, "Tx" }, \ + {BIT_DMA_PSEUDO_CAUSE_MISC, "Misc" }) + +TRACE_EVENT(wil6210_irq_pseudo, + TP_PROTO(u32 x), + TP_ARGS(x), + TP_STRUCT__entry( + __field(u32, x) + ), + TP_fast_assign( + __entry->x = x; + ), + TP_printk("cause 0x%08x : %s", __entry->x, + wil_pseudo_irq_cause(__entry->x)) +); + +DECLARE_EVENT_CLASS(wil6210_irq, + TP_PROTO(u32 x), + TP_ARGS(x), + TP_STRUCT__entry( + __field(u32, x) + ), + TP_fast_assign( + __entry->x = x; + ), + TP_printk("cause 0x%08x", __entry->x) +); + +DEFINE_EVENT(wil6210_irq, wil6210_irq_rx, + TP_PROTO(u32 x), + TP_ARGS(x) +); + +DEFINE_EVENT(wil6210_irq, wil6210_irq_tx, + TP_PROTO(u32 x), + TP_ARGS(x) +); + +DEFINE_EVENT(wil6210_irq, wil6210_irq_misc, + TP_PROTO(u32 x), + TP_ARGS(x) +); + +DEFINE_EVENT(wil6210_irq, wil6210_irq_misc_thread, + TP_PROTO(u32 x), + TP_ARGS(x) +); + +TRACE_EVENT(wil6210_rx, + TP_PROTO(u16 index, struct vring_rx_desc *d), + TP_ARGS(index, d), + TP_STRUCT__entry( + __field(u16, index) + __field(unsigned int, len) + __field(u8, mid) + __field(u8, cid) + __field(u8, tid) + __field(u8, type) + __field(u8, subtype) + __field(u16, seq) + __field(u8, mcs) + ), + TP_fast_assign( + __entry->index = index; + __entry->len = d->dma.length; + __entry->mid = wil_rxdesc_mid(d); + __entry->cid = wil_rxdesc_cid(d); + __entry->tid = wil_rxdesc_tid(d); + __entry->type = wil_rxdesc_ftype(d); + __entry->subtype = wil_rxdesc_subtype(d); + __entry->seq = wil_rxdesc_seq(d); + __entry->mcs = wil_rxdesc_mcs(d); + ), + TP_printk("index %d len %d mid %d cid %d tid %d mcs %d seq 0x%03x" + " type 0x%1x subtype 0x%1x", __entry->index, __entry->len, + __entry->mid, __entry->cid, __entry->tid, __entry->mcs, + __entry->seq, __entry->type, __entry->subtype) +); + +TRACE_EVENT(wil6210_tx, + TP_PROTO(u8 vring, u16 index, unsigned int len, u8 frags), + TP_ARGS(vring, index, len, frags), + TP_STRUCT__entry( + __field(u8, vring) + __field(u8, frags) + __field(u16, index) + __field(unsigned int, len) + ), + TP_fast_assign( + __entry->vring = vring; + __entry->frags = frags; + __entry->index = index; + __entry->len = len; + ), + TP_printk("vring %d index %d len %d frags %d", + __entry->vring, __entry->index, __entry->len, __entry->frags) +); + +TRACE_EVENT(wil6210_tx_done, + TP_PROTO(u8 vring, u16 index, unsigned int len, u8 err), + TP_ARGS(vring, index, len, err), + TP_STRUCT__entry( + __field(u8, vring) + __field(u8, err) + __field(u16, index) + __field(unsigned int, len) + ), + TP_fast_assign( + __entry->vring = vring; + __entry->index = index; + __entry->len = len; + __entry->err = err; + ), + TP_printk("vring %d index %d len %d err 0x%02x", + __entry->vring, __entry->index, __entry->len, + __entry->err) +); + +#endif /* WIL6210_TRACE_H || TRACE_HEADER_MULTI_READ*/ + +#if defined(CONFIG_WIL6210_TRACING) && !defined(__CHECKER__) +/* we don't want to use include/trace/events */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +/* This part must be outside protection */ +#include <trace/define_trace.h> +#endif /* defined(CONFIG_WIL6210_TRACING) && !defined(__CHECKER__) */ diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 797024507c71..00dffeda983e 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -22,6 +22,7 @@ #include "wil6210.h" #include "wmi.h" #include "txrx.h" +#include "trace.h" static bool rtap_include_phy_info; module_param(rtap_include_phy_info, bool, S_IRUGO); @@ -89,8 +90,8 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) * we can use any */ for (i = 0; i < vring->size; i++) { - volatile struct vring_tx_desc *d = &(vring->va[i].tx); - d->dma.status = TX_DMA_STATUS_DU; + volatile struct vring_tx_desc *_d = &(vring->va[i].tx); + _d->dma.status = TX_DMA_STATUS_DU; } wil_dbg_misc(wil, "vring[%d] 0x%p:0x%016llx 0x%p\n", vring->size, @@ -106,30 +107,39 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, size_t sz = vring->size * sizeof(vring->va[0]); while (!wil_vring_is_empty(vring)) { + dma_addr_t pa; + struct sk_buff *skb; + u16 dmalen; + if (tx) { - volatile struct vring_tx_desc *d = + struct vring_tx_desc dd, *d = ⅆ + volatile struct vring_tx_desc *_d = &vring->va[vring->swtail].tx; - dma_addr_t pa = d->dma.addr_low | - ((u64)d->dma.addr_high << 32); - struct sk_buff *skb = vring->ctx[vring->swtail]; + + *d = *_d; + pa = wil_desc_addr(&d->dma.addr); + dmalen = le16_to_cpu(d->dma.length); + skb = vring->ctx[vring->swtail]; if (skb) { - dma_unmap_single(dev, pa, d->dma.length, + dma_unmap_single(dev, pa, dmalen, DMA_TO_DEVICE); dev_kfree_skb_any(skb); vring->ctx[vring->swtail] = NULL; } else { - dma_unmap_page(dev, pa, d->dma.length, + dma_unmap_page(dev, pa, dmalen, DMA_TO_DEVICE); } vring->swtail = wil_vring_next_tail(vring); } else { /* rx */ - volatile struct vring_rx_desc *d = + struct vring_rx_desc dd, *d = ⅆ + volatile struct vring_rx_desc *_d = &vring->va[vring->swtail].rx; - dma_addr_t pa = d->dma.addr_low | - ((u64)d->dma.addr_high << 32); - struct sk_buff *skb = vring->ctx[vring->swhead]; - dma_unmap_single(dev, pa, d->dma.length, - DMA_FROM_DEVICE); + + *d = *_d; + pa = wil_desc_addr(&d->dma.addr); + dmalen = le16_to_cpu(d->dma.length); + skb = vring->ctx[vring->swhead]; + dma_unmap_single(dev, pa, dmalen, DMA_FROM_DEVICE); kfree_skb(skb); wil_vring_advance_head(vring, 1); } @@ -151,7 +161,8 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring, { struct device *dev = wil_to_dev(wil); unsigned int sz = RX_BUF_LEN; - volatile struct vring_rx_desc *d = &(vring->va[i].rx); + struct vring_rx_desc dd, *d = ⅆ + volatile struct vring_rx_desc *_d = &(vring->va[i].rx); dma_addr_t pa; /* TODO align */ @@ -169,13 +180,13 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring, } d->dma.d0 = BIT(9) | RX_DMA_D0_CMD_DMA_IT; - d->dma.addr_low = lower_32_bits(pa); - d->dma.addr_high = (u16)upper_32_bits(pa); + wil_desc_addr_set(&d->dma.addr, pa); /* ip_length don't care */ /* b11 don't care */ /* error don't care */ d->dma.status = 0; /* BIT(0) should be 0 for HW_OWNED */ - d->dma.length = sz; + d->dma.length = cpu_to_le16(sz); + *_d = *d; vring->ctx[i] = skb; return 0; @@ -321,11 +332,12 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, { struct device *dev = wil_to_dev(wil); struct net_device *ndev = wil_to_ndev(wil); - volatile struct vring_rx_desc *d; - struct vring_rx_desc *d1; + volatile struct vring_rx_desc *_d; + struct vring_rx_desc *d; struct sk_buff *skb; dma_addr_t pa; unsigned int sz = RX_BUF_LEN; + u16 dmalen; u8 ftype; u8 ds_bits; @@ -334,32 +346,44 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, if (wil_vring_is_empty(vring)) return NULL; - d = &(vring->va[vring->swhead].rx); - if (!(d->dma.status & RX_DMA_STATUS_DU)) { + _d = &(vring->va[vring->swhead].rx); + if (!(_d->dma.status & RX_DMA_STATUS_DU)) { /* it is not error, we just reached end of Rx done area */ return NULL; } - pa = d->dma.addr_low | ((u64)d->dma.addr_high << 32); skb = vring->ctx[vring->swhead]; + d = wil_skb_rxdesc(skb); + *d = *_d; + pa = wil_desc_addr(&d->dma.addr); + vring->ctx[vring->swhead] = NULL; + wil_vring_advance_head(vring, 1); + dma_unmap_single(dev, pa, sz, DMA_FROM_DEVICE); - skb_trim(skb, d->dma.length); + dmalen = le16_to_cpu(d->dma.length); - d1 = wil_skb_rxdesc(skb); - *d1 = *d; + trace_wil6210_rx(vring->swhead, d); + wil_dbg_txrx(wil, "Rx[%3d] : %d bytes\n", vring->swhead, dmalen); + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_NONE, 32, 4, + (const void *)d, sizeof(*d), false); - wil->stats.last_mcs_rx = wil_rxdesc_mcs(d1); + if (dmalen > sz) { + wil_err(wil, "Rx size too large: %d bytes!\n", dmalen); + kfree_skb(skb); + return NULL; + } + skb_trim(skb, dmalen); + + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb_headlen(skb), false); + + + wil->stats.last_mcs_rx = wil_rxdesc_mcs(d); /* use radiotap header only if required */ if (ndev->type == ARPHRD_IEEE80211_RADIOTAP) wil_rx_add_radiotap_header(wil, skb); - wil_dbg_txrx(wil, "Rx[%3d] : %d bytes\n", vring->swhead, d->dma.length); - wil_hex_dump_txrx("Rx ", DUMP_PREFIX_NONE, 32, 4, - (const void *)d, sizeof(*d), false); - - wil_vring_advance_head(vring, 1); - /* no extra checks if in sniffer mode */ if (ndev->type != ARPHRD_ETHER) return skb; @@ -368,7 +392,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, * Driver should recognize it by frame type, that is found * in Rx descriptor. If type is not data, it is 802.11 frame as is */ - ftype = wil_rxdesc_ftype(d1) << 2; + ftype = wil_rxdesc_ftype(d) << 2; if (ftype != IEEE80211_FTYPE_DATA) { wil_dbg_txrx(wil, "Non-data frame ftype 0x%08x\n", ftype); /* TODO: process it */ @@ -383,7 +407,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, return NULL; } - ds_bits = wil_rxdesc_ds_bits(d1); + ds_bits = wil_rxdesc_ds_bits(d); if (ds_bits == 1) { /* * HW bug - in ToDS mode, i.e. Rx on AP side, @@ -425,6 +449,7 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count) /* * Pass Rx packet to the netif. Update statistics. + * Called in softirq context (NAPI poll). */ static void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) { @@ -433,10 +458,7 @@ static void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) skb_orphan(skb); - if (in_interrupt()) - rc = netif_rx(skb); - else - rc = netif_rx_ni(skb); + rc = netif_receive_skb(skb); if (likely(rc == NET_RX_SUCCESS)) { ndev->stats.rx_packets++; @@ -450,9 +472,9 @@ static void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) /** * Proceed all completed skb's from Rx VRING * - * Safe to call from IRQ + * Safe to call from NAPI poll, i.e. softirq with interrupts enabled */ -void wil_rx_handle(struct wil6210_priv *wil) +void wil_rx_handle(struct wil6210_priv *wil, int *quota) { struct net_device *ndev = wil_to_ndev(wil); struct vring *v = &wil->vring_rx; @@ -463,9 +485,8 @@ void wil_rx_handle(struct wil6210_priv *wil) return; } wil_dbg_txrx(wil, "%s()\n", __func__); - while (NULL != (skb = wil_vring_reap_rx(wil, v))) { - wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, - skb->data, skb_headlen(skb), false); + while ((*quota > 0) && (NULL != (skb = wil_vring_reap_rx(wil, v)))) { + (*quota)--; if (wil->wdev->iftype == NL80211_IFTYPE_MONITOR) { skb->dev = ndev; @@ -600,17 +621,15 @@ static struct vring *wil_find_tx_vring(struct wil6210_priv *wil, return NULL; } -static int wil_tx_desc_map(volatile struct vring_tx_desc *d, - dma_addr_t pa, u32 len) +static int wil_tx_desc_map(struct vring_tx_desc *d, dma_addr_t pa, u32 len) { - d->dma.addr_low = lower_32_bits(pa); - d->dma.addr_high = (u16)upper_32_bits(pa); + wil_desc_addr_set(&d->dma.addr, pa); d->dma.ip_length = 0; /* 0..6: mac_length; 7:ip_version 0-IP6 1-IP4*/ d->dma.b11 = 0/*14 | BIT(7)*/; d->dma.error = 0; d->dma.status = 0; /* BIT(0) should be 0 for HW_OWNED */ - d->dma.length = len; + d->dma.length = cpu_to_le16((u16)len); d->dma.d0 = 0; d->mac.d[0] = 0; d->mac.d[1] = 0; @@ -630,7 +649,8 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, struct sk_buff *skb) { struct device *dev = wil_to_dev(wil); - volatile struct vring_tx_desc *d; + struct vring_tx_desc dd, *d = ⅆ + volatile struct vring_tx_desc *_d; u32 swhead = vring->swhead; int avail = wil_vring_avail_tx(vring); int nr_frags = skb_shinfo(skb)->nr_frags; @@ -648,7 +668,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, 1 + nr_frags); return -ENOMEM; } - d = &(vring->va[i].tx); + _d = &(vring->va[i].tx); /* FIXME FW can accept only unicast frames for the peer */ memcpy(skb->data, wil->dst_addr[vring_index], ETH_ALEN); @@ -667,25 +687,30 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, wil_tx_desc_map(d, pa, skb_headlen(skb)); d->mac.d[2] |= ((nr_frags + 1) << MAC_CFG_DESC_TX_2_NUM_OF_DESCRIPTORS_POS); + if (nr_frags) + *_d = *d; + /* middle segments */ for (f = 0; f < nr_frags; f++) { const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f]; int len = skb_frag_size(frag); i = (swhead + f + 1) % vring->size; - d = &(vring->va[i].tx); + _d = &(vring->va[i].tx); pa = skb_frag_dma_map(dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) goto dma_error; wil_tx_desc_map(d, pa, len); vring->ctx[i] = NULL; + *_d = *d; } /* for the last seg only */ d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_EOP_POS); d->dma.d0 |= BIT(9); /* BUG: undocumented bit */ d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS); d->dma.d0 |= (vring_index << DMA_CFG_DESC_TX_0_QID_POS); + *_d = *d; wil_hex_dump_txrx("Tx ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); @@ -693,6 +718,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, /* advance swhead */ wil_vring_advance_head(vring, nr_frags + 1); wil_dbg_txrx(wil, "Tx swhead %d -> %d\n", swhead, vring->swhead); + trace_wil6210_tx(vring_index, swhead, skb->len, nr_frags); iowrite32(vring->swhead, wil->csr + HOSTADDR(vring->hwtail)); /* hold reference to skb * to prevent skb release before accounting @@ -705,14 +731,18 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, /* unmap what we have mapped */ /* Note: increment @f to operate with positive index */ for (f++; f > 0; f--) { + u16 dmalen; + i = (swhead + f) % vring->size; - d = &(vring->va[i].tx); - d->dma.status = TX_DMA_STATUS_DU; - pa = d->dma.addr_low | ((u64)d->dma.addr_high << 32); + _d = &(vring->va[i].tx); + *d = *_d; + _d->dma.status = TX_DMA_STATUS_DU; + pa = wil_desc_addr(&d->dma.addr); + dmalen = le16_to_cpu(d->dma.length); if (vring->ctx[i]) - dma_unmap_single(dev, pa, d->dma.length, DMA_TO_DEVICE); + dma_unmap_single(dev, pa, dmalen, DMA_TO_DEVICE); else - dma_unmap_page(dev, pa, d->dma.length, DMA_TO_DEVICE); + dma_unmap_page(dev, pa, dmalen, DMA_TO_DEVICE); } return -EINVAL; @@ -761,7 +791,6 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) break; /* goto drop; */ } drop: - netif_tx_stop_all_queues(ndev); ndev->stats.tx_dropped++; dev_kfree_skb_any(skb); @@ -771,41 +800,48 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) /** * Clean up transmitted skb's from the Tx VRING * + * Return number of descriptors cleared + * * Safe to call from IRQ */ -void wil_tx_complete(struct wil6210_priv *wil, int ringid) +int wil_tx_complete(struct wil6210_priv *wil, int ringid) { struct net_device *ndev = wil_to_ndev(wil); struct device *dev = wil_to_dev(wil); struct vring *vring = &wil->vring_tx[ringid]; + int done = 0; if (!vring->va) { wil_err(wil, "Tx irq[%d]: vring not initialized\n", ringid); - return; + return 0; } wil_dbg_txrx(wil, "%s(%d)\n", __func__, ringid); while (!wil_vring_is_empty(vring)) { - volatile struct vring_tx_desc *d1 = + volatile struct vring_tx_desc *_d = &vring->va[vring->swtail].tx; struct vring_tx_desc dd, *d = ⅆ dma_addr_t pa; struct sk_buff *skb; + u16 dmalen; - dd = *d1; + *d = *_d; if (!(d->dma.status & TX_DMA_STATUS_DU)) break; + dmalen = le16_to_cpu(d->dma.length); + trace_wil6210_tx_done(ringid, vring->swtail, dmalen, + d->dma.error); wil_dbg_txrx(wil, "Tx[%3d] : %d bytes, status 0x%02x err 0x%02x\n", - vring->swtail, d->dma.length, d->dma.status, + vring->swtail, dmalen, d->dma.status, d->dma.error); wil_hex_dump_txrx("TxC ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); - pa = d->dma.addr_low | ((u64)d->dma.addr_high << 32); + pa = wil_desc_addr(&d->dma.addr); skb = vring->ctx[vring->swtail]; if (skb) { if (d->dma.error == 0) { @@ -815,18 +851,21 @@ void wil_tx_complete(struct wil6210_priv *wil, int ringid) ndev->stats.tx_errors++; } - dma_unmap_single(dev, pa, d->dma.length, DMA_TO_DEVICE); + dma_unmap_single(dev, pa, dmalen, DMA_TO_DEVICE); dev_kfree_skb_any(skb); vring->ctx[vring->swtail] = NULL; } else { - dma_unmap_page(dev, pa, d->dma.length, DMA_TO_DEVICE); + dma_unmap_page(dev, pa, dmalen, DMA_TO_DEVICE); } - d->dma.addr_low = 0; - d->dma.addr_high = 0; + d->dma.addr.addr_low = 0; + d->dma.addr.addr_high = 0; d->dma.length = 0; d->dma.status = TX_DMA_STATUS_DU; vring->swtail = wil_vring_next_tail(vring); + done++; } if (wil_vring_avail_tx(vring) > vring->size/4) netif_tx_wake_all_queues(wil_to_ndev(wil)); + + return done; } diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index adef12fb2aee..23c0781cdb93 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -27,6 +27,28 @@ #define WIL6210_RTAP_SIZE (128) /* Tx/Rx path */ + +/* + * Common representation of physical address in Vring + */ +struct vring_dma_addr { + __le32 addr_low; + __le16 addr_high; +} __packed; + +static inline dma_addr_t wil_desc_addr(struct vring_dma_addr *addr) +{ + return le32_to_cpu(addr->addr_low) | + ((u64)le16_to_cpu(addr->addr_high) << 32); +} + +static inline void wil_desc_addr_set(struct vring_dma_addr *addr, + dma_addr_t pa) +{ + addr->addr_low = cpu_to_le32(lower_32_bits(pa)); + addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa)); +} + /* * Tx descriptor - MAC part * [dword 0] @@ -216,13 +238,12 @@ struct vring_tx_mac { struct vring_tx_dma { u32 d0; - u32 addr_low; - u16 addr_high; + struct vring_dma_addr addr; u8 ip_length; u8 b11; /* 0..6: mac_length; 7:ip_version */ u8 error; /* 0..2: err; 3..7: reserved; */ u8 status; /* 0: used; 1..7; reserved */ - u16 length; + __le16 length; } __packed; /* @@ -315,13 +336,12 @@ struct vring_rx_mac { struct vring_rx_dma { u32 d0; - u32 addr_low; - u16 addr_high; + struct vring_dma_addr addr; u8 ip_length; u8 b11; u8 error; u8 status; - u16 length; + __le16 length; } __packed; struct vring_tx_desc { diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 8f76ecd8a7e5..373cf656f5b0 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -34,9 +34,11 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) #define WIL6210_MEM_SIZE (2*1024*1024UL) -#define WIL6210_RX_RING_SIZE (128) -#define WIL6210_TX_RING_SIZE (128) -#define WIL6210_MAX_TX_RINGS (24) +#define WIL6210_RX_RING_SIZE (128) +#define WIL6210_TX_RING_SIZE (128) +#define WIL6210_MAX_TX_RINGS (24) /* HW limit */ +#define WIL6210_MAX_CID (8) /* HW limit */ +#define WIL6210_NAPI_BUDGET (16) /* arbitrary */ /* Hardware definitions begin */ @@ -184,6 +186,7 @@ struct vring { enum { /* for wil6210_priv.status */ wil_status_fwready = 0, + wil_status_fwconnecting, wil_status_fwconnected, wil_status_dontscan, wil_status_reset_done, @@ -239,6 +242,8 @@ struct wil6210_priv { * - consumed in thread by wmi_event_worker */ spinlock_t wmi_ev_lock; + struct napi_struct napi_rx; + struct napi_struct napi_tx; /* DMA related */ struct vring vring_rx; struct vring vring_tx[WIL6210_MAX_TX_RINGS]; @@ -267,9 +272,13 @@ struct wil6210_priv { #define wil_to_ndev(i) (wil_to_wdev(i)->netdev) #define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr)) -#define wil_dbg(wil, fmt, arg...) netdev_dbg(wil_to_ndev(wil), fmt, ##arg) -#define wil_info(wil, fmt, arg...) netdev_info(wil_to_ndev(wil), fmt, ##arg) -#define wil_err(wil, fmt, arg...) netdev_err(wil_to_ndev(wil), fmt, ##arg) +int wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...); +int wil_err(struct wil6210_priv *wil, const char *fmt, ...); +int wil_info(struct wil6210_priv *wil, const char *fmt, ...); +#define wil_dbg(wil, fmt, arg...) do { \ + netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \ + wil_dbg_trace(wil, fmt, ##arg); \ +} while (0) #define wil_dbg_irq(wil, fmt, arg...) wil_dbg(wil, "DBG[ IRQ]" fmt, ##arg) #define wil_dbg_txrx(wil, fmt, arg...) wil_dbg(wil, "DBG[TXRX]" fmt, ##arg) @@ -356,10 +365,12 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size, void wil_vring_fini_tx(struct wil6210_priv *wil, int id); netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev); -void wil_tx_complete(struct wil6210_priv *wil, int ringid); +int wil_tx_complete(struct wil6210_priv *wil, int ringid); +void wil6210_unmask_irq_tx(struct wil6210_priv *wil); /* RX API */ -void wil_rx_handle(struct wil6210_priv *wil); +void wil_rx_handle(struct wil6210_priv *wil, int *quota); +void wil6210_unmask_irq_rx(struct wil6210_priv *wil); int wil_iftype_nl2wmi(enum nl80211_iftype type); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 45b04e383f9a..527ffb543821 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -20,6 +20,7 @@ #include "wil6210.h" #include "txrx.h" #include "wmi.h" +#include "trace.h" /** * WMI event receiving - theory of operations @@ -246,6 +247,8 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len) iowrite32(r->head = next_head, wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, tx.head)); + trace_wil6210_wmi_cmd(cmdid, buf, len); + /* interrupt to FW */ iowrite32(SW_INT_MBOX, wil->csr + HOST_SW_INT); @@ -406,7 +409,7 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len) if ((wdev->iftype == NL80211_IFTYPE_STATION) || (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) { - if (wdev->sme_state != CFG80211_SME_CONNECTING) { + if (!test_bit(wil_status_fwconnecting, &wil->status)) { wil_err(wil, "Not in connecting state\n"); return; } @@ -430,6 +433,7 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len) cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL); } + clear_bit(wil_status_fwconnecting, &wil->status); set_bit(wil_status_fwconnected, &wil->status); /* FIXME FW can transmit only ucast frames to peer */ @@ -635,8 +639,9 @@ void wmi_recv_cmd(struct wil6210_priv *wil) hdr.flags); if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) && (len >= sizeof(struct wil6210_mbox_hdr_wmi))) { - wil_dbg_wmi(wil, "WMI event 0x%04x\n", - evt->event.wmi.id); + u16 id = le16_to_cpu(evt->event.wmi.id); + wil_dbg_wmi(wil, "WMI event 0x%04x\n", id); + trace_wil6210_wmi_event(id, &evt->event.wmi, len); } wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1, &evt->event.hdr, sizeof(hdr) + len, true); @@ -724,7 +729,7 @@ int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan) .bcon_interval = cpu_to_le16(bi), .network_type = wmi_nettype, .disable_sec_offload = 1, - .channel = chan, + .channel = chan - 1, }; struct { struct wil6210_mbox_hdr_wmi wmi; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 44fa0cdbf97b..11400b39cf0b 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -606,7 +606,8 @@ static int brcmf_sdio_pd_remove(struct platform_device *pdev) static struct platform_driver brcmf_sdio_pd = { .remove = brcmf_sdio_pd_remove, .driver = { - .name = BRCMFMAC_SDIO_PDATA_NAME + .name = BRCMFMAC_SDIO_PDATA_NAME, + .owner = THIS_MODULE, } }; diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c index 1585cc5bf866..bd982856d385 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c @@ -900,7 +900,7 @@ brcms_c_ampdu_dotxstatus_complete(struct ampdu_info *ampdu, struct scb *scb, if (supr_status) { update_rate = false; if (supr_status == TX_STATUS_SUPR_BADCH) { - brcms_err(wlc->hw->d11core, + brcms_dbg_ht(wlc->hw->d11core, "%s: Pkt tx suppressed, illegal channel possibly %d\n", __func__, CHSPEC_CHANNEL( wlc->default_bss->chanspec)); diff --git a/drivers/net/wireless/cw1200/Kconfig b/drivers/net/wireless/cw1200/Kconfig new file mode 100644 index 000000000000..7a585d4e9c8e --- /dev/null +++ b/drivers/net/wireless/cw1200/Kconfig @@ -0,0 +1,45 @@ +config CW1200 + tristate "CW1200 WLAN support" + depends on MAC80211 && CFG80211 + help + This is a driver for the ST-E CW1100 & CW1200 WLAN chipsets. + This option just enables the driver core, see below for + specific bus support. + +if CW1200 + +config CW1200_WLAN_SDIO + tristate "Support SDIO platforms" + depends on CW1200 && MMC + help + Enable support for the CW1200 connected via an SDIO bus. + By default this driver only supports the Sagrad SG901-1091/1098 EVK + and similar designs that utilize a hardware reset circuit. To + support different CW1200 SDIO designs you will need to override + the default platform data by calling cw1200_sdio_set_platform_data() + in your board setup file. + +config CW1200_WLAN_SPI + tristate "Support SPI platforms" + depends on CW1200 && SPI + help + Enables support for the CW1200 connected via a SPI bus. You will + need to add appropriate platform data glue in your board setup + file. + +menu "Driver debug features" + depends on CW1200 && DEBUG_FS + +config CW1200_ETF + bool "Enable CW1200 Engineering Test Framework hooks" + help + If you don't know what this is, just say N. + +config CW1200_ITP + bool "Enable ITP access" + help + If you don't know what this is, just say N. + +endmenu + +endif diff --git a/drivers/net/wireless/cw1200/Makefile b/drivers/net/wireless/cw1200/Makefile new file mode 100644 index 000000000000..bc6cbf91f26e --- /dev/null +++ b/drivers/net/wireless/cw1200/Makefile @@ -0,0 +1,22 @@ +cw1200_core-y := \ + fwio.o \ + txrx.o \ + main.o \ + queue.o \ + hwio.o \ + bh.o \ + wsm.o \ + sta.o \ + scan.o \ + debug.o +cw1200_core-$(CONFIG_CW1200_ITP) += itp.o +cw1200_core-$(CONFIG_PM) += pm.o + +# CFLAGS_sta.o += -DDEBUG + +cw1200_wlan_sdio-y := cw1200_sdio.o +cw1200_wlan_spi-y := cw1200_spi.o + +obj-$(CONFIG_CW1200) += cw1200_core.o +obj-$(CONFIG_CW1200_WLAN_SDIO) += cw1200_wlan_sdio.o +obj-$(CONFIG_CW1200_WLAN_SPI) += cw1200_wlan_spi.o diff --git a/drivers/net/wireless/cw1200/bh.c b/drivers/net/wireless/cw1200/bh.c new file mode 100644 index 000000000000..324b57001da0 --- /dev/null +++ b/drivers/net/wireless/cw1200/bh.c @@ -0,0 +1,616 @@ +/* + * Device handling thread implementation for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver, which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <net/mac80211.h> +#include <linux/kthread.h> +#include <linux/timer.h> + +#include "cw1200.h" +#include "bh.h" +#include "hwio.h" +#include "wsm.h" +#include "hwbus.h" +#include "debug.h" +#include "fwio.h" + +static int cw1200_bh(void *arg); + +#define DOWNLOAD_BLOCK_SIZE_WR (0x1000 - 4) +/* an SPI message cannot be bigger than (2"12-1)*2 bytes + * "*2" to cvt to bytes */ +#define MAX_SZ_RD_WR_BUFFERS (DOWNLOAD_BLOCK_SIZE_WR*2) +#define PIGGYBACK_CTRL_REG (2) +#define EFFECTIVE_BUF_SIZE (MAX_SZ_RD_WR_BUFFERS - PIGGYBACK_CTRL_REG) + +/* Suspend state privates */ +enum cw1200_bh_pm_state { + CW1200_BH_RESUMED = 0, + CW1200_BH_SUSPEND, + CW1200_BH_SUSPENDED, + CW1200_BH_RESUME, +}; + +typedef int (*cw1200_wsm_handler)(struct cw1200_common *priv, + u8 *data, size_t size); + +static void cw1200_bh_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, bh_work); + cw1200_bh(priv); +} + +int cw1200_register_bh(struct cw1200_common *priv) +{ + int err = 0; + /* Realtime workqueue */ + priv->bh_workqueue = alloc_workqueue("cw1200_bh", + WQ_MEM_RECLAIM | WQ_HIGHPRI + | WQ_CPU_INTENSIVE, 1); + + if (!priv->bh_workqueue) + return -ENOMEM; + + INIT_WORK(&priv->bh_work, cw1200_bh_work); + + pr_debug("[BH] register.\n"); + + atomic_set(&priv->bh_rx, 0); + atomic_set(&priv->bh_tx, 0); + atomic_set(&priv->bh_term, 0); + atomic_set(&priv->bh_suspend, CW1200_BH_RESUMED); + priv->bh_error = 0; + priv->hw_bufs_used = 0; + priv->buf_id_tx = 0; + priv->buf_id_rx = 0; + init_waitqueue_head(&priv->bh_wq); + init_waitqueue_head(&priv->bh_evt_wq); + + err = !queue_work(priv->bh_workqueue, &priv->bh_work); + WARN_ON(err); + return err; +} + +void cw1200_unregister_bh(struct cw1200_common *priv) +{ + atomic_add(1, &priv->bh_term); + wake_up(&priv->bh_wq); + + flush_workqueue(priv->bh_workqueue); + + destroy_workqueue(priv->bh_workqueue); + priv->bh_workqueue = NULL; + + pr_debug("[BH] unregistered.\n"); +} + +void cw1200_irq_handler(struct cw1200_common *priv) +{ + pr_debug("[BH] irq.\n"); + + /* Disable Interrupts! */ + /* NOTE: hwbus_ops->lock already held */ + __cw1200_irq_enable(priv, 0); + + if (/* WARN_ON */(priv->bh_error)) + return; + + if (atomic_add_return(1, &priv->bh_rx) == 1) + wake_up(&priv->bh_wq); +} +EXPORT_SYMBOL_GPL(cw1200_irq_handler); + +void cw1200_bh_wakeup(struct cw1200_common *priv) +{ + pr_debug("[BH] wakeup.\n"); + if (priv->bh_error) { + pr_err("[BH] wakeup failed (BH error)\n"); + return; + } + + if (atomic_add_return(1, &priv->bh_tx) == 1) + wake_up(&priv->bh_wq); +} + +int cw1200_bh_suspend(struct cw1200_common *priv) +{ + pr_debug("[BH] suspend.\n"); + if (priv->bh_error) { + wiphy_warn(priv->hw->wiphy, "BH error -- can't suspend\n"); + return -EINVAL; + } + + atomic_set(&priv->bh_suspend, CW1200_BH_SUSPEND); + wake_up(&priv->bh_wq); + return wait_event_timeout(priv->bh_evt_wq, priv->bh_error || + (CW1200_BH_SUSPENDED == atomic_read(&priv->bh_suspend)), + 1 * HZ) ? 0 : -ETIMEDOUT; +} + +int cw1200_bh_resume(struct cw1200_common *priv) +{ + pr_debug("[BH] resume.\n"); + if (priv->bh_error) { + wiphy_warn(priv->hw->wiphy, "BH error -- can't resume\n"); + return -EINVAL; + } + + atomic_set(&priv->bh_suspend, CW1200_BH_RESUME); + wake_up(&priv->bh_wq); + return wait_event_timeout(priv->bh_evt_wq, priv->bh_error || + (CW1200_BH_RESUMED == atomic_read(&priv->bh_suspend)), + 1 * HZ) ? 0 : -ETIMEDOUT; +} + +static inline void wsm_alloc_tx_buffer(struct cw1200_common *priv) +{ + ++priv->hw_bufs_used; +} + +int wsm_release_tx_buffer(struct cw1200_common *priv, int count) +{ + int ret = 0; + int hw_bufs_used = priv->hw_bufs_used; + + priv->hw_bufs_used -= count; + if (WARN_ON(priv->hw_bufs_used < 0)) + ret = -1; + else if (hw_bufs_used >= priv->wsm_caps.input_buffers) + ret = 1; + if (!priv->hw_bufs_used) + wake_up(&priv->bh_evt_wq); + return ret; +} + +static int cw1200_bh_read_ctrl_reg(struct cw1200_common *priv, + u16 *ctrl_reg) +{ + int ret; + + ret = cw1200_reg_read_16(priv, + ST90TDS_CONTROL_REG_ID, ctrl_reg); + if (ret) { + ret = cw1200_reg_read_16(priv, + ST90TDS_CONTROL_REG_ID, ctrl_reg); + if (ret) + pr_err("[BH] Failed to read control register.\n"); + } + + return ret; +} + +static int cw1200_device_wakeup(struct cw1200_common *priv) +{ + u16 ctrl_reg; + int ret; + + pr_debug("[BH] Device wakeup.\n"); + + /* First, set the dpll register */ + ret = cw1200_reg_write_32(priv, ST90TDS_TSET_GEN_R_W_REG_ID, + cw1200_dpll_from_clk(priv->hw_refclk)); + if (WARN_ON(ret)) + return ret; + + /* To force the device to be always-on, the host sets WLAN_UP to 1 */ + ret = cw1200_reg_write_16(priv, ST90TDS_CONTROL_REG_ID, + ST90TDS_CONT_WUP_BIT); + if (WARN_ON(ret)) + return ret; + + ret = cw1200_bh_read_ctrl_reg(priv, &ctrl_reg); + if (WARN_ON(ret)) + return ret; + + /* If the device returns WLAN_RDY as 1, the device is active and will + * remain active. */ + if (ctrl_reg & ST90TDS_CONT_RDY_BIT) { + pr_debug("[BH] Device awake.\n"); + return 1; + } + + return 0; +} + +/* Must be called from BH thraed. */ +void cw1200_enable_powersave(struct cw1200_common *priv, + bool enable) +{ + pr_debug("[BH] Powerave is %s.\n", + enable ? "enabled" : "disabled"); + priv->powersave_enabled = enable; +} + +static int cw1200_bh_rx_helper(struct cw1200_common *priv, + uint16_t *ctrl_reg, + int *tx) +{ + size_t read_len = 0; + struct sk_buff *skb_rx = NULL; + struct wsm_hdr *wsm; + size_t wsm_len; + u16 wsm_id; + u8 wsm_seq; + int rx_resync = 1; + + size_t alloc_len; + u8 *data; + + read_len = (*ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) * 2; + if (!read_len) + return 0; /* No more work */ + + if (WARN_ON((read_len < sizeof(struct wsm_hdr)) || + (read_len > EFFECTIVE_BUF_SIZE))) { + pr_debug("Invalid read len: %zu (%04x)", + read_len, *ctrl_reg); + goto err; + } + + /* Add SIZE of PIGGYBACK reg (CONTROL Reg) + * to the NEXT Message length + 2 Bytes for SKB */ + read_len = read_len + 2; + + alloc_len = priv->hwbus_ops->align_size( + priv->hwbus_priv, read_len); + + /* Check if not exceeding CW1200 capabilities */ + if (WARN_ON_ONCE(alloc_len > EFFECTIVE_BUF_SIZE)) { + pr_debug("Read aligned len: %zu\n", + alloc_len); + } + + skb_rx = dev_alloc_skb(alloc_len); + if (WARN_ON(!skb_rx)) + goto err; + + skb_trim(skb_rx, 0); + skb_put(skb_rx, read_len); + data = skb_rx->data; + if (WARN_ON(!data)) + goto err; + + if (WARN_ON(cw1200_data_read(priv, data, alloc_len))) { + pr_err("rx blew up, len %zu\n", alloc_len); + goto err; + } + + /* Piggyback */ + *ctrl_reg = __le16_to_cpu( + ((__le16 *)data)[alloc_len / 2 - 1]); + + wsm = (struct wsm_hdr *)data; + wsm_len = __le16_to_cpu(wsm->len); + if (WARN_ON(wsm_len > read_len)) + goto err; + + if (priv->wsm_enable_wsm_dumps) + print_hex_dump_bytes("<-- ", + DUMP_PREFIX_NONE, + data, wsm_len); + + wsm_id = __le16_to_cpu(wsm->id) & 0xFFF; + wsm_seq = (__le16_to_cpu(wsm->id) >> 13) & 7; + + skb_trim(skb_rx, wsm_len); + + if (wsm_id == 0x0800) { + wsm_handle_exception(priv, + &data[sizeof(*wsm)], + wsm_len - sizeof(*wsm)); + goto err; + } else if (!rx_resync) { + if (WARN_ON(wsm_seq != priv->wsm_rx_seq)) + goto err; + } + priv->wsm_rx_seq = (wsm_seq + 1) & 7; + rx_resync = 0; + + if (wsm_id & 0x0400) { + int rc = wsm_release_tx_buffer(priv, 1); + if (WARN_ON(rc < 0)) + return rc; + else if (rc > 0) + *tx = 1; + } + + /* cw1200_wsm_rx takes care on SKB livetime */ + if (WARN_ON(wsm_handle_rx(priv, wsm_id, wsm, &skb_rx))) + goto err; + + if (skb_rx) { + dev_kfree_skb(skb_rx); + skb_rx = NULL; + } + + return 0; + +err: + if (skb_rx) { + dev_kfree_skb(skb_rx); + skb_rx = NULL; + } + return -1; +} + +static int cw1200_bh_tx_helper(struct cw1200_common *priv, + int *pending_tx, + int *tx_burst) +{ + size_t tx_len; + u8 *data; + int ret; + struct wsm_hdr *wsm; + + if (priv->device_can_sleep) { + ret = cw1200_device_wakeup(priv); + if (WARN_ON(ret < 0)) { /* Error in wakeup */ + *pending_tx = 1; + return 0; + } else if (ret) { /* Woke up */ + priv->device_can_sleep = false; + } else { /* Did not awake */ + *pending_tx = 1; + return 0; + } + } + + wsm_alloc_tx_buffer(priv); + ret = wsm_get_tx(priv, &data, &tx_len, tx_burst); + if (ret <= 0) { + wsm_release_tx_buffer(priv, 1); + if (WARN_ON(ret < 0)) + return ret; /* Error */ + return 0; /* No work */ + } + + wsm = (struct wsm_hdr *)data; + BUG_ON(tx_len < sizeof(*wsm)); + BUG_ON(__le16_to_cpu(wsm->len) != tx_len); + + atomic_add(1, &priv->bh_tx); + + tx_len = priv->hwbus_ops->align_size( + priv->hwbus_priv, tx_len); + + /* Check if not exceeding CW1200 capabilities */ + if (WARN_ON_ONCE(tx_len > EFFECTIVE_BUF_SIZE)) + pr_debug("Write aligned len: %zu\n", tx_len); + + wsm->id &= __cpu_to_le16(0xffff ^ WSM_TX_SEQ(WSM_TX_SEQ_MAX)); + wsm->id |= __cpu_to_le16(WSM_TX_SEQ(priv->wsm_tx_seq)); + + if (WARN_ON(cw1200_data_write(priv, data, tx_len))) { + pr_err("tx blew up, len %zu\n", tx_len); + wsm_release_tx_buffer(priv, 1); + return -1; /* Error */ + } + + if (priv->wsm_enable_wsm_dumps) + print_hex_dump_bytes("--> ", + DUMP_PREFIX_NONE, + data, + __le16_to_cpu(wsm->len)); + + wsm_txed(priv, data); + priv->wsm_tx_seq = (priv->wsm_tx_seq + 1) & WSM_TX_SEQ_MAX; + + if (*tx_burst > 1) { + cw1200_debug_tx_burst(priv); + return 1; /* Work remains */ + } + + return 0; +} + +static int cw1200_bh(void *arg) +{ + struct cw1200_common *priv = arg; + int rx, tx, term, suspend; + u16 ctrl_reg = 0; + int tx_allowed; + int pending_tx = 0; + int tx_burst; + long status; + u32 dummy; + int ret; + + for (;;) { + if (!priv->hw_bufs_used && + priv->powersave_enabled && + !priv->device_can_sleep && + !atomic_read(&priv->recent_scan)) { + status = 1 * HZ; + pr_debug("[BH] Device wakedown. No data.\n"); + cw1200_reg_write_16(priv, ST90TDS_CONTROL_REG_ID, 0); + priv->device_can_sleep = true; + } else if (priv->hw_bufs_used) { + /* Interrupt loss detection */ + status = 1 * HZ; + } else { + status = MAX_SCHEDULE_TIMEOUT; + } + + /* Dummy Read for SDIO retry mechanism*/ + if ((priv->hw_type != -1) && + (atomic_read(&priv->bh_rx) == 0) && + (atomic_read(&priv->bh_tx) == 0)) + cw1200_reg_read(priv, ST90TDS_CONFIG_REG_ID, + &dummy, sizeof(dummy)); + + pr_debug("[BH] waiting ...\n"); + status = wait_event_interruptible_timeout(priv->bh_wq, ({ + rx = atomic_xchg(&priv->bh_rx, 0); + tx = atomic_xchg(&priv->bh_tx, 0); + term = atomic_xchg(&priv->bh_term, 0); + suspend = pending_tx ? + 0 : atomic_read(&priv->bh_suspend); + (rx || tx || term || suspend || priv->bh_error); + }), status); + + pr_debug("[BH] - rx: %d, tx: %d, term: %d, suspend: %d, status: %ld\n", + rx, tx, term, suspend, status); + + /* Did an error occur? */ + if ((status < 0 && status != -ERESTARTSYS) || + term || priv->bh_error) { + break; + } + if (!status) { /* wait_event timed out */ + unsigned long timestamp = jiffies; + long timeout; + int pending = 0; + int i; + + /* Check to see if we have any outstanding frames */ + if (priv->hw_bufs_used && (!rx || !tx)) { + wiphy_warn(priv->hw->wiphy, + "Missed interrupt? (%d frames outstanding)\n", + priv->hw_bufs_used); + rx = 1; + + /* Get a timestamp of "oldest" frame */ + for (i = 0; i < 4; ++i) + pending += cw1200_queue_get_xmit_timestamp( + &priv->tx_queue[i], + ×tamp, + priv->pending_frame_id); + + /* Check if frame transmission is timed out. + * Add an extra second with respect to possible + * interrupt loss. + */ + timeout = timestamp + + WSM_CMD_LAST_CHANCE_TIMEOUT + + 1 * HZ - + jiffies; + + /* And terminate BH thread if the frame is "stuck" */ + if (pending && timeout < 0) { + wiphy_warn(priv->hw->wiphy, + "Timeout waiting for TX confirm (%d/%d pending, %ld vs %lu).\n", + priv->hw_bufs_used, pending, + timestamp, jiffies); + break; + } + } else if (!priv->device_can_sleep && + !atomic_read(&priv->recent_scan)) { + pr_debug("[BH] Device wakedown. Timeout.\n"); + cw1200_reg_write_16(priv, + ST90TDS_CONTROL_REG_ID, 0); + priv->device_can_sleep = true; + } + goto done; + } else if (suspend) { + pr_debug("[BH] Device suspend.\n"); + if (priv->powersave_enabled) { + pr_debug("[BH] Device wakedown. Suspend.\n"); + cw1200_reg_write_16(priv, + ST90TDS_CONTROL_REG_ID, 0); + priv->device_can_sleep = true; + } + + atomic_set(&priv->bh_suspend, CW1200_BH_SUSPENDED); + wake_up(&priv->bh_evt_wq); + status = wait_event_interruptible(priv->bh_wq, + CW1200_BH_RESUME == atomic_read(&priv->bh_suspend)); + if (status < 0) { + wiphy_err(priv->hw->wiphy, + "Failed to wait for resume: %ld.\n", + status); + break; + } + pr_debug("[BH] Device resume.\n"); + atomic_set(&priv->bh_suspend, CW1200_BH_RESUMED); + wake_up(&priv->bh_evt_wq); + atomic_add(1, &priv->bh_rx); + goto done; + } + + rx: + tx += pending_tx; + pending_tx = 0; + + if (cw1200_bh_read_ctrl_reg(priv, &ctrl_reg)) + break; + + /* Don't bother trying to rx unless we have data to read */ + if (ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) { + ret = cw1200_bh_rx_helper(priv, &ctrl_reg, &tx); + if (ret < 0) + break; + /* Double up here if there's more data.. */ + if (ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) { + ret = cw1200_bh_rx_helper(priv, &ctrl_reg, &tx); + if (ret < 0) + break; + } + } + + tx: + if (tx) { + tx = 0; + + BUG_ON(priv->hw_bufs_used > priv->wsm_caps.input_buffers); + tx_burst = priv->wsm_caps.input_buffers - priv->hw_bufs_used; + tx_allowed = tx_burst > 0; + + if (!tx_allowed) { + /* Buffers full. Ensure we process tx + * after we handle rx.. + */ + pending_tx = tx; + goto done_rx; + } + ret = cw1200_bh_tx_helper(priv, &pending_tx, &tx_burst); + if (ret < 0) + break; + if (ret > 0) /* More to transmit */ + tx = ret; + + /* Re-read ctrl reg */ + if (cw1200_bh_read_ctrl_reg(priv, &ctrl_reg)) + break; + } + + done_rx: + if (priv->bh_error) + break; + if (ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) + goto rx; + if (tx) + goto tx; + + done: + /* Re-enable device interrupts */ + priv->hwbus_ops->lock(priv->hwbus_priv); + __cw1200_irq_enable(priv, 1); + priv->hwbus_ops->unlock(priv->hwbus_priv); + } + + /* Explicitly disable device interrupts */ + priv->hwbus_ops->lock(priv->hwbus_priv); + __cw1200_irq_enable(priv, 0); + priv->hwbus_ops->unlock(priv->hwbus_priv); + + if (!term) { + pr_err("[BH] Fatal error, exiting.\n"); + priv->bh_error = 1; + /* TODO: schedule_work(recovery) */ + } + return 0; +} diff --git a/drivers/net/wireless/cw1200/bh.h b/drivers/net/wireless/cw1200/bh.h new file mode 100644 index 000000000000..af6a4853728f --- /dev/null +++ b/drivers/net/wireless/cw1200/bh.h @@ -0,0 +1,28 @@ +/* + * Device handling thread interface for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_BH_H +#define CW1200_BH_H + +/* extern */ struct cw1200_common; + +int cw1200_register_bh(struct cw1200_common *priv); +void cw1200_unregister_bh(struct cw1200_common *priv); +void cw1200_irq_handler(struct cw1200_common *priv); +void cw1200_bh_wakeup(struct cw1200_common *priv); +int cw1200_bh_suspend(struct cw1200_common *priv); +int cw1200_bh_resume(struct cw1200_common *priv); +/* Must be called from BH thread. */ +void cw1200_enable_powersave(struct cw1200_common *priv, + bool enable); +int wsm_release_tx_buffer(struct cw1200_common *priv, int count); + +#endif /* CW1200_BH_H */ diff --git a/drivers/net/wireless/cw1200/cw1200.h b/drivers/net/wireless/cw1200/cw1200.h new file mode 100644 index 000000000000..95320f2b25eb --- /dev/null +++ b/drivers/net/wireless/cw1200/cw1200.h @@ -0,0 +1,331 @@ +/* + * Common private data for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on the mac80211 Prism54 code, which is + * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> + * + * Based on the islsm (softmac prism54) driver, which is: + * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_H +#define CW1200_H + +#include <linux/wait.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> +#include <net/mac80211.h> + +#include "queue.h" +#include "wsm.h" +#include "scan.h" +#include "txrx.h" +#include "pm.h" + +/* Forward declarations */ +struct hwbus_ops; +struct task_struct; +struct cw1200_debug_priv; +struct firmware; + +#ifdef CONFIG_CW1200_ETF +extern int etf_mode; +extern char *etf_firmware; +#endif + +#define CW1200_MAX_CTRL_FRAME_LEN (0x1000) + +#define CW1200_MAX_STA_IN_AP_MODE (5) +#define CW1200_LINK_ID_AFTER_DTIM (CW1200_MAX_STA_IN_AP_MODE + 1) +#define CW1200_LINK_ID_UAPSD (CW1200_MAX_STA_IN_AP_MODE + 2) +#define CW1200_LINK_ID_MAX (CW1200_MAX_STA_IN_AP_MODE + 3) +#define CW1200_MAX_REQUEUE_ATTEMPTS (5) + +#define CW1200_MAX_TID (8) + +#define CW1200_BLOCK_ACK_CNT (30) +#define CW1200_BLOCK_ACK_THLD (800) +#define CW1200_BLOCK_ACK_HIST (3) +#define CW1200_BLOCK_ACK_INTERVAL (1 * HZ / CW1200_BLOCK_ACK_HIST) + +#define CW1200_JOIN_TIMEOUT (1 * HZ) +#define CW1200_AUTH_TIMEOUT (5 * HZ) + +struct cw1200_ht_info { + struct ieee80211_sta_ht_cap ht_cap; + enum nl80211_channel_type channel_type; + u16 operation_mode; +}; + +/* Please keep order */ +enum cw1200_join_status { + CW1200_JOIN_STATUS_PASSIVE = 0, + CW1200_JOIN_STATUS_MONITOR, + CW1200_JOIN_STATUS_JOINING, + CW1200_JOIN_STATUS_PRE_STA, + CW1200_JOIN_STATUS_STA, + CW1200_JOIN_STATUS_IBSS, + CW1200_JOIN_STATUS_AP, +}; + +enum cw1200_link_status { + CW1200_LINK_OFF, + CW1200_LINK_RESERVE, + CW1200_LINK_SOFT, + CW1200_LINK_HARD, + CW1200_LINK_RESET, + CW1200_LINK_RESET_REMAP, +}; + +extern int cw1200_power_mode; +extern const char * const cw1200_fw_types[]; + +struct cw1200_link_entry { + unsigned long timestamp; + enum cw1200_link_status status; + enum cw1200_link_status prev_status; + u8 mac[ETH_ALEN]; + u8 buffered[CW1200_MAX_TID]; + struct sk_buff_head rx_queue; +}; + +struct cw1200_common { + /* interfaces to the rest of the stack */ + struct ieee80211_hw *hw; + struct ieee80211_vif *vif; + struct device *pdev; + + /* Statistics */ + struct ieee80211_low_level_stats stats; + + /* Our macaddr */ + u8 mac_addr[ETH_ALEN]; + + /* Hardware interface */ + const struct hwbus_ops *hwbus_ops; + struct hwbus_priv *hwbus_priv; + + /* Hardware information */ + enum { + HIF_9000_SILICON_VERSATILE = 0, + HIF_8601_VERSATILE, + HIF_8601_SILICON, + } hw_type; + enum { + CW1200_HW_REV_CUT10 = 10, + CW1200_HW_REV_CUT11 = 11, + CW1200_HW_REV_CUT20 = 20, + CW1200_HW_REV_CUT22 = 22, + CW1X60_HW_REV = 40, + } hw_revision; + int hw_refclk; + bool hw_have_5ghz; + const struct firmware *sdd; + char *sdd_path; + + struct cw1200_debug_priv *debug; + + struct workqueue_struct *workqueue; + struct mutex conf_mutex; + + struct cw1200_queue tx_queue[4]; + struct cw1200_queue_stats tx_queue_stats; + int tx_burst_idx; + + /* firmware/hardware info */ + unsigned int tx_hdr_len; + + /* Radio data */ + int output_power; + + /* BBP/MAC state */ + struct ieee80211_rate *rates; + struct ieee80211_rate *mcs_rates; + struct ieee80211_channel *channel; + struct wsm_edca_params edca; + struct wsm_tx_queue_params tx_queue_params; + struct wsm_mib_association_mode association_mode; + struct wsm_set_bss_params bss_params; + struct cw1200_ht_info ht_info; + struct wsm_set_pm powersave_mode; + struct wsm_set_pm firmware_ps_mode; + int cqm_rssi_thold; + unsigned cqm_rssi_hyst; + bool cqm_use_rssi; + int cqm_beacon_loss_count; + int channel_switch_in_progress; + wait_queue_head_t channel_switch_done; + u8 long_frame_max_tx_count; + u8 short_frame_max_tx_count; + int mode; + bool enable_beacon; + int beacon_int; + bool listening; + struct wsm_rx_filter rx_filter; + struct wsm_mib_multicast_filter multicast_filter; + bool has_multicast_subscription; + bool disable_beacon_filter; + struct work_struct update_filtering_work; + struct work_struct set_beacon_wakeup_period_work; + + u8 ba_rx_tid_mask; + u8 ba_tx_tid_mask; + + struct cw1200_pm_state pm_state; + + struct wsm_p2p_ps_modeinfo p2p_ps_modeinfo; + struct wsm_uapsd_info uapsd_info; + bool setbssparams_done; + bool bt_present; + u8 conf_listen_interval; + u32 listen_interval; + u32 erp_info; + u32 rts_threshold; + + /* BH */ + atomic_t bh_rx; + atomic_t bh_tx; + atomic_t bh_term; + atomic_t bh_suspend; + + struct workqueue_struct *bh_workqueue; + struct work_struct bh_work; + + int bh_error; + wait_queue_head_t bh_wq; + wait_queue_head_t bh_evt_wq; + u8 buf_id_tx; + u8 buf_id_rx; + u8 wsm_rx_seq; + u8 wsm_tx_seq; + int hw_bufs_used; + bool powersave_enabled; + bool device_can_sleep; + + /* Scan status */ + struct cw1200_scan scan; + /* Keep cw1200 awake (WUP = 1) 1 second after each scan to avoid + * FW issue with sleeping/waking up. */ + atomic_t recent_scan; + struct delayed_work clear_recent_scan_work; + + /* WSM */ + struct wsm_startup_ind wsm_caps; + struct mutex wsm_cmd_mux; + struct wsm_buf wsm_cmd_buf; + struct wsm_cmd wsm_cmd; + wait_queue_head_t wsm_cmd_wq; + wait_queue_head_t wsm_startup_done; + int firmware_ready; + atomic_t tx_lock; + + /* WSM debug */ + int wsm_enable_wsm_dumps; + + /* WSM Join */ + enum cw1200_join_status join_status; + u32 pending_frame_id; + bool join_pending; + struct delayed_work join_timeout; + struct work_struct unjoin_work; + struct work_struct join_complete_work; + int join_complete_status; + int join_dtim_period; + bool delayed_unjoin; + + /* TX/RX and security */ + s8 wep_default_key_id; + struct work_struct wep_key_work; + u32 key_map; + struct wsm_add_key keys[WSM_KEY_MAX_INDEX + 1]; + + /* AP powersave */ + u32 link_id_map; + struct cw1200_link_entry link_id_db[CW1200_MAX_STA_IN_AP_MODE]; + struct work_struct link_id_work; + struct delayed_work link_id_gc_work; + u32 sta_asleep_mask; + u32 pspoll_mask; + bool aid0_bit_set; + spinlock_t ps_state_lock; /* Protect power save state */ + bool buffered_multicasts; + bool tx_multicast; + struct work_struct set_tim_work; + struct work_struct set_cts_work; + struct work_struct multicast_start_work; + struct work_struct multicast_stop_work; + struct timer_list mcast_timeout; + + /* WSM events and CQM implementation */ + spinlock_t event_queue_lock; /* Protect event queue */ + struct list_head event_queue; + struct work_struct event_handler; + + struct delayed_work bss_loss_work; + spinlock_t bss_loss_lock; /* Protect BSS loss state */ + int bss_loss_state; + int bss_loss_confirm_id; + int delayed_link_loss; + struct work_struct bss_params_work; + + /* TX rate policy cache */ + struct tx_policy_cache tx_policy_cache; + struct work_struct tx_policy_upload_work; + + /* legacy PS mode switch in suspend */ + int ps_mode_switch_in_progress; + wait_queue_head_t ps_mode_switch_done; + + /* Workaround for WFD testcase 6.1.10*/ + struct work_struct linkid_reset_work; + u8 action_frame_sa[ETH_ALEN]; + u8 action_linkid; + +#ifdef CONFIG_CW1200_ETF + struct sk_buff_head etf_q; +#endif +}; + +struct cw1200_sta_priv { + int link_id; +}; + +/* interfaces for the drivers */ +int cw1200_core_probe(const struct hwbus_ops *hwbus_ops, + struct hwbus_priv *hwbus, + struct device *pdev, + struct cw1200_common **pself, + int ref_clk, const u8 *macaddr, + const char *sdd_path, bool have_5ghz); +void cw1200_core_release(struct cw1200_common *self); + +#define FWLOAD_BLOCK_SIZE (1024) + +static inline int cw1200_is_ht(const struct cw1200_ht_info *ht_info) +{ + return ht_info->channel_type != NL80211_CHAN_NO_HT; +} + +static inline int cw1200_ht_greenfield(const struct cw1200_ht_info *ht_info) +{ + return cw1200_is_ht(ht_info) && + (ht_info->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) && + !(ht_info->operation_mode & + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); +} + +static inline int cw1200_ht_ampdu_density(const struct cw1200_ht_info *ht_info) +{ + if (!cw1200_is_ht(ht_info)) + return 0; + return ht_info->ht_cap.ampdu_density; +} + +#endif /* CW1200_H */ diff --git a/drivers/net/wireless/cw1200/cw1200_sdio.c b/drivers/net/wireless/cw1200/cw1200_sdio.c new file mode 100644 index 000000000000..bb1f405315e4 --- /dev/null +++ b/drivers/net/wireless/cw1200/cw1200_sdio.c @@ -0,0 +1,424 @@ +/* + * Mac80211 SDIO driver for ST-Ericsson CW1200 device + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/mmc/host.h> +#include <linux/mmc/sdio_func.h> +#include <linux/mmc/card.h> +#include <linux/mmc/sdio.h> +#include <net/mac80211.h> + +#include "cw1200.h" +#include "hwbus.h" +#include <linux/platform_data/net-cw1200.h> +#include "hwio.h" + +MODULE_AUTHOR("Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>"); +MODULE_DESCRIPTION("mac80211 ST-Ericsson CW1200 SDIO driver"); +MODULE_LICENSE("GPL"); + +#define SDIO_BLOCK_SIZE (512) + +/* Default platform data for Sagrad modules */ +static struct cw1200_platform_data_sdio sagrad_109x_evk_platform_data = { + .ref_clk = 38400, + .have_5ghz = false, + .sdd_file = "sdd_sagrad_1091_1098.bin", +}; + +/* Allow platform data to be overridden */ +static struct cw1200_platform_data_sdio *global_plat_data = &sagrad_109x_evk_platform_data; + +void __init cw1200_sdio_set_platform_data(struct cw1200_platform_data_sdio *pdata) +{ + global_plat_data = pdata; +} + +struct hwbus_priv { + struct sdio_func *func; + struct cw1200_common *core; + const struct cw1200_platform_data_sdio *pdata; +}; + +#ifndef SDIO_VENDOR_ID_STE +#define SDIO_VENDOR_ID_STE 0x0020 +#endif + +#ifndef SDIO_DEVICE_ID_STE_CW1200 +#define SDIO_DEVICE_ID_STE_CW1200 0x2280 +#endif + +static const struct sdio_device_id cw1200_sdio_ids[] = { + { SDIO_DEVICE(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200) }, + { /* end: all zeroes */ }, +}; + +/* hwbus_ops implemetation */ + +static int cw1200_sdio_memcpy_fromio(struct hwbus_priv *self, + unsigned int addr, + void *dst, int count) +{ + return sdio_memcpy_fromio(self->func, dst, addr, count); +} + +static int cw1200_sdio_memcpy_toio(struct hwbus_priv *self, + unsigned int addr, + const void *src, int count) +{ + return sdio_memcpy_toio(self->func, addr, (void *)src, count); +} + +static void cw1200_sdio_lock(struct hwbus_priv *self) +{ + sdio_claim_host(self->func); +} + +static void cw1200_sdio_unlock(struct hwbus_priv *self) +{ + sdio_release_host(self->func); +} + +static void cw1200_sdio_irq_handler(struct sdio_func *func) +{ + struct hwbus_priv *self = sdio_get_drvdata(func); + + /* note: sdio_host already claimed here. */ + if (self->core) + cw1200_irq_handler(self->core); +} + +static irqreturn_t cw1200_gpio_hardirq(int irq, void *dev_id) +{ + return IRQ_WAKE_THREAD; +} + +static irqreturn_t cw1200_gpio_irq(int irq, void *dev_id) +{ + struct hwbus_priv *self = dev_id; + + if (self->core) { + sdio_claim_host(self->func); + cw1200_irq_handler(self->core); + sdio_release_host(self->func); + return IRQ_HANDLED; + } else { + return IRQ_NONE; + } +} + +static int cw1200_request_irq(struct hwbus_priv *self) +{ + int ret; + u8 cccr; + + cccr = sdio_f0_readb(self->func, SDIO_CCCR_IENx, &ret); + if (WARN_ON(ret)) + goto err; + + /* Master interrupt enable ... */ + cccr |= BIT(0); + + /* ... for our function */ + cccr |= BIT(self->func->num); + + sdio_f0_writeb(self->func, cccr, SDIO_CCCR_IENx, &ret); + if (WARN_ON(ret)) + goto err; + + ret = enable_irq_wake(self->pdata->irq); + if (WARN_ON(ret)) + goto err; + + /* Request the IRQ */ + ret = request_threaded_irq(self->pdata->irq, cw1200_gpio_hardirq, + cw1200_gpio_irq, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "cw1200_wlan_irq", self); + if (WARN_ON(ret)) + goto err; + + return 0; + +err: + return ret; +} + +static int cw1200_sdio_irq_subscribe(struct hwbus_priv *self) +{ + int ret = 0; + + pr_debug("SW IRQ subscribe\n"); + sdio_claim_host(self->func); + if (self->pdata->irq) + ret = cw1200_request_irq(self); + else + ret = sdio_claim_irq(self->func, cw1200_sdio_irq_handler); + + sdio_release_host(self->func); + return ret; +} + +static int cw1200_sdio_irq_unsubscribe(struct hwbus_priv *self) +{ + int ret = 0; + + pr_debug("SW IRQ unsubscribe\n"); + + if (self->pdata->irq) { + disable_irq_wake(self->pdata->irq); + free_irq(self->pdata->irq, self); + } else { + sdio_claim_host(self->func); + ret = sdio_release_irq(self->func); + sdio_release_host(self->func); + } + return ret; +} + +static int cw1200_sdio_off(const struct cw1200_platform_data_sdio *pdata) +{ + if (pdata->reset) { + gpio_set_value(pdata->reset, 0); + msleep(30); /* Min is 2 * CLK32K cycles */ + gpio_free(pdata->reset); + } + + if (pdata->power_ctrl) + pdata->power_ctrl(pdata, false); + if (pdata->clk_ctrl) + pdata->clk_ctrl(pdata, false); + + return 0; +} + +static int cw1200_sdio_on(const struct cw1200_platform_data_sdio *pdata) +{ + /* Ensure I/Os are pulled low */ + if (pdata->reset) { + gpio_request(pdata->reset, "cw1200_wlan_reset"); + gpio_direction_output(pdata->reset, 0); + } + if (pdata->powerup) { + gpio_request(pdata->powerup, "cw1200_wlan_powerup"); + gpio_direction_output(pdata->powerup, 0); + } + if (pdata->reset || pdata->powerup) + msleep(10); /* Settle time? */ + + /* Enable 3v3 and 1v8 to hardware */ + if (pdata->power_ctrl) { + if (pdata->power_ctrl(pdata, true)) { + pr_err("power_ctrl() failed!\n"); + return -1; + } + } + + /* Enable CLK32K */ + if (pdata->clk_ctrl) { + if (pdata->clk_ctrl(pdata, true)) { + pr_err("clk_ctrl() failed!\n"); + return -1; + } + msleep(10); /* Delay until clock is stable for 2 cycles */ + } + + /* Enable POWERUP signal */ + if (pdata->powerup) { + gpio_set_value(pdata->powerup, 1); + msleep(250); /* or more..? */ + } + /* Enable RSTn signal */ + if (pdata->reset) { + gpio_set_value(pdata->reset, 1); + msleep(50); /* Or more..? */ + } + return 0; +} + +static size_t cw1200_sdio_align_size(struct hwbus_priv *self, size_t size) +{ + if (self->pdata->no_nptb) + size = round_up(size, SDIO_BLOCK_SIZE); + else + size = sdio_align_size(self->func, size); + + return size; +} + +static int cw1200_sdio_pm(struct hwbus_priv *self, bool suspend) +{ + int ret = 0; + + if (self->pdata->irq) + ret = irq_set_irq_wake(self->pdata->irq, suspend); + return ret; +} + +static struct hwbus_ops cw1200_sdio_hwbus_ops = { + .hwbus_memcpy_fromio = cw1200_sdio_memcpy_fromio, + .hwbus_memcpy_toio = cw1200_sdio_memcpy_toio, + .lock = cw1200_sdio_lock, + .unlock = cw1200_sdio_unlock, + .align_size = cw1200_sdio_align_size, + .power_mgmt = cw1200_sdio_pm, +}; + +/* Probe Function to be called by SDIO stack when device is discovered */ +static int cw1200_sdio_probe(struct sdio_func *func, + const struct sdio_device_id *id) +{ + struct hwbus_priv *self; + int status; + + pr_info("cw1200_wlan_sdio: Probe called\n"); + + /* We are only able to handle the wlan function */ + if (func->num != 0x01) + return -ENODEV; + + self = kzalloc(sizeof(*self), GFP_KERNEL); + if (!self) { + pr_err("Can't allocate SDIO hwbus_priv.\n"); + return -ENOMEM; + } + + func->card->quirks |= MMC_QUIRK_LENIENT_FN0; + + self->pdata = global_plat_data; /* FIXME */ + self->func = func; + sdio_set_drvdata(func, self); + sdio_claim_host(func); + sdio_enable_func(func); + sdio_release_host(func); + + status = cw1200_sdio_irq_subscribe(self); + + status = cw1200_core_probe(&cw1200_sdio_hwbus_ops, + self, &func->dev, &self->core, + self->pdata->ref_clk, + self->pdata->macaddr, + self->pdata->sdd_file, + self->pdata->have_5ghz); + if (status) { + cw1200_sdio_irq_unsubscribe(self); + sdio_claim_host(func); + sdio_disable_func(func); + sdio_release_host(func); + sdio_set_drvdata(func, NULL); + kfree(self); + } + + return status; +} + +/* Disconnect Function to be called by SDIO stack when + * device is disconnected */ +static void cw1200_sdio_disconnect(struct sdio_func *func) +{ + struct hwbus_priv *self = sdio_get_drvdata(func); + + if (self) { + cw1200_sdio_irq_unsubscribe(self); + if (self->core) { + cw1200_core_release(self->core); + self->core = NULL; + } + sdio_claim_host(func); + sdio_disable_func(func); + sdio_release_host(func); + sdio_set_drvdata(func, NULL); + kfree(self); + } +} + +#ifdef CONFIG_PM +static int cw1200_sdio_suspend(struct device *dev) +{ + int ret; + struct sdio_func *func = dev_to_sdio_func(dev); + struct hwbus_priv *self = sdio_get_drvdata(func); + + if (!cw1200_can_suspend(self->core)) + return -EAGAIN; + + /* Notify SDIO that CW1200 will remain powered during suspend */ + ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + if (ret) + pr_err("Error setting SDIO pm flags: %i\n", ret); + + return ret; +} + +static int cw1200_sdio_resume(struct device *dev) +{ + return 0; +} + +static const struct dev_pm_ops cw1200_pm_ops = { + .suspend = cw1200_sdio_suspend, + .resume = cw1200_sdio_resume, +}; +#endif + +static struct sdio_driver sdio_driver = { + .name = "cw1200_wlan_sdio", + .id_table = cw1200_sdio_ids, + .probe = cw1200_sdio_probe, + .remove = cw1200_sdio_disconnect, +#ifdef CONFIG_PM + .drv = { + .pm = &cw1200_pm_ops, + } +#endif +}; + +/* Init Module function -> Called by insmod */ +static int __init cw1200_sdio_init(void) +{ + const struct cw1200_platform_data_sdio *pdata; + int ret; + + /* FIXME -- this won't support multiple devices */ + pdata = global_plat_data; + + if (cw1200_sdio_on(pdata)) { + ret = -1; + goto err; + } + + ret = sdio_register_driver(&sdio_driver); + if (ret) + goto err; + + return 0; + +err: + cw1200_sdio_off(pdata); + return ret; +} + +/* Called at Driver Unloading */ +static void __exit cw1200_sdio_exit(void) +{ + const struct cw1200_platform_data_sdio *pdata; + + /* FIXME -- this won't support multiple devices */ + pdata = global_plat_data; + sdio_unregister_driver(&sdio_driver); + cw1200_sdio_off(pdata); +} + + +module_init(cw1200_sdio_init); +module_exit(cw1200_sdio_exit); diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c new file mode 100644 index 000000000000..e58f0a5bafa9 --- /dev/null +++ b/drivers/net/wireless/cw1200/cw1200_spi.c @@ -0,0 +1,465 @@ +/* + * Mac80211 SPI driver for ST-Ericsson CW1200 device + * + * Copyright (c) 2011, Sagrad Inc. + * Author: Solomon Peachy <speachy@sagrad.com> + * + * Based on cw1200_sdio.c + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <net/mac80211.h> + +#include <linux/spi/spi.h> +#include <linux/device.h> + +#include "cw1200.h" +#include "hwbus.h" +#include <linux/platform_data/net-cw1200.h> +#include "hwio.h" + +MODULE_AUTHOR("Solomon Peachy <speachy@sagrad.com>"); +MODULE_DESCRIPTION("mac80211 ST-Ericsson CW1200 SPI driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("spi:cw1200_wlan_spi"); + +/* #define SPI_DEBUG */ + +struct hwbus_priv { + struct spi_device *func; + struct cw1200_common *core; + const struct cw1200_platform_data_spi *pdata; + spinlock_t lock; /* Serialize all bus operations */ + int claimed; +}; + +#define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2) +#define SET_WRITE 0x7FFF /* usage: and operation */ +#define SET_READ 0x8000 /* usage: or operation */ + +/* + Notes on byte ordering: + LE: B0 B1 B2 B3 + BE: B3 B2 B1 B0 + + Hardware expects 32-bit data to be written as 16-bit BE words: + + B1 B0 B3 B2 + +*/ + +static int cw1200_spi_memcpy_fromio(struct hwbus_priv *self, + unsigned int addr, + void *dst, int count) +{ + int ret, i; + uint16_t regaddr; + struct spi_message m; + + struct spi_transfer t_addr = { + .tx_buf = ®addr, + .len = sizeof(regaddr), + }; + struct spi_transfer t_msg = { + .rx_buf = dst, + .len = count, + }; + + regaddr = (SDIO_TO_SPI_ADDR(addr))<<12; + regaddr |= SET_READ; + regaddr |= (count>>1); + regaddr = cpu_to_le16(regaddr); + +#ifdef SPI_DEBUG + pr_info("READ : %04d from 0x%02x (%04x)\n", count, addr, + le16_to_cpu(regaddr)); +#endif + +#if defined(__LITTLE_ENDIAN) + /* We have to byteswap if the SPI bus is limited to 8b operation */ + if (self->func->bits_per_word == 8) +#endif + regaddr = swab16(regaddr); + + spi_message_init(&m); + spi_message_add_tail(&t_addr, &m); + spi_message_add_tail(&t_msg, &m); + ret = spi_sync(self->func, &m); + +#ifdef SPI_DEBUG + pr_info("READ : "); + for (i = 0; i < t_addr.len; i++) + printk("%02x ", ((u8 *)t_addr.tx_buf)[i]); + printk(" : "); + for (i = 0; i < t_msg.len; i++) + printk("%02x ", ((u8 *)t_msg.rx_buf)[i]); + printk("\n"); +#endif + +#if defined(__LITTLE_ENDIAN) + /* We have to byteswap if the SPI bus is limited to 8b operation */ + if (self->func->bits_per_word == 8) +#endif + { + uint16_t *buf = (uint16_t *)dst; + for (i = 0; i < ((count + 1) >> 1); i++) + buf[i] = swab16(buf[i]); + } + + return ret; +} + +static int cw1200_spi_memcpy_toio(struct hwbus_priv *self, + unsigned int addr, + const void *src, int count) +{ + int rval, i; + uint16_t regaddr; + struct spi_transfer t_addr = { + .tx_buf = ®addr, + .len = sizeof(regaddr), + }; + struct spi_transfer t_msg = { + .tx_buf = src, + .len = count, + }; + struct spi_message m; + + regaddr = (SDIO_TO_SPI_ADDR(addr))<<12; + regaddr &= SET_WRITE; + regaddr |= (count>>1); + regaddr = cpu_to_le16(regaddr); + +#ifdef SPI_DEBUG + pr_info("WRITE: %04d to 0x%02x (%04x)\n", count, addr, + le16_to_cpu(regaddr)); +#endif + +#if defined(__LITTLE_ENDIAN) + /* We have to byteswap if the SPI bus is limited to 8b operation */ + if (self->func->bits_per_word == 8) +#endif + { + uint16_t *buf = (uint16_t *)src; + regaddr = swab16(regaddr); + for (i = 0; i < ((count + 1) >> 1); i++) + buf[i] = swab16(buf[i]); + } + +#ifdef SPI_DEBUG + pr_info("WRITE: "); + for (i = 0; i < t_addr.len; i++) + printk("%02x ", ((u8 *)t_addr.tx_buf)[i]); + printk(" : "); + for (i = 0; i < t_msg.len; i++) + printk("%02x ", ((u8 *)t_msg.tx_buf)[i]); + printk("\n"); +#endif + + spi_message_init(&m); + spi_message_add_tail(&t_addr, &m); + spi_message_add_tail(&t_msg, &m); + rval = spi_sync(self->func, &m); + +#ifdef SPI_DEBUG + pr_info("WROTE: %d\n", m.actual_length); +#endif + +#if defined(__LITTLE_ENDIAN) + /* We have to byteswap if the SPI bus is limited to 8b operation */ + if (self->func->bits_per_word == 8) +#endif + { + uint16_t *buf = (uint16_t *)src; + for (i = 0; i < ((count + 1) >> 1); i++) + buf[i] = swab16(buf[i]); + } + return rval; +} + +static void cw1200_spi_lock(struct hwbus_priv *self) +{ + unsigned long flags; + + might_sleep(); + + spin_lock_irqsave(&self->lock, flags); + while (1) { + set_current_state(TASK_UNINTERRUPTIBLE); + if (!self->claimed) + break; + spin_unlock_irqrestore(&self->lock, flags); + schedule(); + spin_lock_irqsave(&self->lock, flags); + } + set_current_state(TASK_RUNNING); + self->claimed = 1; + spin_unlock_irqrestore(&self->lock, flags); + + return; +} + +static void cw1200_spi_unlock(struct hwbus_priv *self) +{ + unsigned long flags; + + spin_lock_irqsave(&self->lock, flags); + self->claimed = 0; + spin_unlock_irqrestore(&self->lock, flags); + return; +} + +static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id) +{ + struct hwbus_priv *self = dev_id; + + if (self->core) { + cw1200_irq_handler(self->core); + return IRQ_HANDLED; + } else { + return IRQ_NONE; + } +} + +static int cw1200_spi_irq_subscribe(struct hwbus_priv *self) +{ + int ret; + + pr_debug("SW IRQ subscribe\n"); + + ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler, + IRQF_TRIGGER_HIGH, + "cw1200_wlan_irq", self); + if (WARN_ON(ret < 0)) + goto exit; + + ret = enable_irq_wake(self->func->irq); + if (WARN_ON(ret)) + goto free_irq; + + return 0; + +free_irq: + free_irq(self->func->irq, self); +exit: + return ret; +} + +static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self) +{ + int ret = 0; + + pr_debug("SW IRQ unsubscribe\n"); + disable_irq_wake(self->func->irq); + free_irq(self->func->irq, self); + + return ret; +} + +static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata) +{ + if (pdata->reset) { + gpio_set_value(pdata->reset, 0); + msleep(30); /* Min is 2 * CLK32K cycles */ + gpio_free(pdata->reset); + } + + if (pdata->power_ctrl) + pdata->power_ctrl(pdata, false); + if (pdata->clk_ctrl) + pdata->clk_ctrl(pdata, false); + + return 0; +} + +static int cw1200_spi_on(const struct cw1200_platform_data_spi *pdata) +{ + /* Ensure I/Os are pulled low */ + if (pdata->reset) { + gpio_request(pdata->reset, "cw1200_wlan_reset"); + gpio_direction_output(pdata->reset, 0); + } + if (pdata->powerup) { + gpio_request(pdata->powerup, "cw1200_wlan_powerup"); + gpio_direction_output(pdata->powerup, 0); + } + if (pdata->reset || pdata->powerup) + msleep(10); /* Settle time? */ + + /* Enable 3v3 and 1v8 to hardware */ + if (pdata->power_ctrl) { + if (pdata->power_ctrl(pdata, true)) { + pr_err("power_ctrl() failed!\n"); + return -1; + } + } + + /* Enable CLK32K */ + if (pdata->clk_ctrl) { + if (pdata->clk_ctrl(pdata, true)) { + pr_err("clk_ctrl() failed!\n"); + return -1; + } + msleep(10); /* Delay until clock is stable for 2 cycles */ + } + + /* Enable POWERUP signal */ + if (pdata->powerup) { + gpio_set_value(pdata->powerup, 1); + msleep(250); /* or more..? */ + } + /* Enable RSTn signal */ + if (pdata->reset) { + gpio_set_value(pdata->reset, 1); + msleep(50); /* Or more..? */ + } + return 0; +} + +static size_t cw1200_spi_align_size(struct hwbus_priv *self, size_t size) +{ + return size & 1 ? size + 1 : size; +} + +static int cw1200_spi_pm(struct hwbus_priv *self, bool suspend) +{ + return irq_set_irq_wake(self->func->irq, suspend); +} + +static struct hwbus_ops cw1200_spi_hwbus_ops = { + .hwbus_memcpy_fromio = cw1200_spi_memcpy_fromio, + .hwbus_memcpy_toio = cw1200_spi_memcpy_toio, + .lock = cw1200_spi_lock, + .unlock = cw1200_spi_unlock, + .align_size = cw1200_spi_align_size, + .power_mgmt = cw1200_spi_pm, +}; + +/* Probe Function to be called by SPI stack when device is discovered */ +static int cw1200_spi_probe(struct spi_device *func) +{ + const struct cw1200_platform_data_spi *plat_data = + func->dev.platform_data; + struct hwbus_priv *self; + int status; + + /* Sanity check speed */ + if (func->max_speed_hz > 52000000) + func->max_speed_hz = 52000000; + if (func->max_speed_hz < 1000000) + func->max_speed_hz = 1000000; + + /* Fix up transfer size */ + if (plat_data->spi_bits_per_word) + func->bits_per_word = plat_data->spi_bits_per_word; + if (!func->bits_per_word) + func->bits_per_word = 16; + + /* And finally.. */ + func->mode = SPI_MODE_0; + + pr_info("cw1200_wlan_spi: Probe called (CS %d M %d BPW %d CLK %d)\n", + func->chip_select, func->mode, func->bits_per_word, + func->max_speed_hz); + + if (cw1200_spi_on(plat_data)) { + pr_err("spi_on() failed!\n"); + return -1; + } + + if (spi_setup(func)) { + pr_err("spi_setup() failed!\n"); + return -1; + } + + self = kzalloc(sizeof(*self), GFP_KERNEL); + if (!self) { + pr_err("Can't allocate SPI hwbus_priv."); + return -ENOMEM; + } + + self->pdata = plat_data; + self->func = func; + spin_lock_init(&self->lock); + + spi_set_drvdata(func, self); + + status = cw1200_spi_irq_subscribe(self); + + status = cw1200_core_probe(&cw1200_spi_hwbus_ops, + self, &func->dev, &self->core, + self->pdata->ref_clk, + self->pdata->macaddr, + self->pdata->sdd_file, + self->pdata->have_5ghz); + + if (status) { + cw1200_spi_irq_unsubscribe(self); + cw1200_spi_off(plat_data); + kfree(self); + } + + return status; +} + +/* Disconnect Function to be called by SPI stack when device is disconnected */ +static int cw1200_spi_disconnect(struct spi_device *func) +{ + struct hwbus_priv *self = spi_get_drvdata(func); + + if (self) { + cw1200_spi_irq_unsubscribe(self); + if (self->core) { + cw1200_core_release(self->core); + self->core = NULL; + } + kfree(self); + } + cw1200_spi_off(func->dev.platform_data); + + return 0; +} + +#ifdef CONFIG_PM +static int cw1200_spi_suspend(struct device *dev, pm_message_t state) +{ + struct hwbus_priv *self = spi_get_drvdata(to_spi_device(dev)); + + if (!cw1200_can_suspend(self->core)) + return -EAGAIN; + + /* XXX notify host that we have to keep CW1200 powered on? */ + return 0; +} + +static int cw1200_spi_resume(struct device *dev) +{ + return 0; +} +#endif + +static struct spi_driver spi_driver = { + .probe = cw1200_spi_probe, + .remove = cw1200_spi_disconnect, + .driver = { + .name = "cw1200_wlan_spi", + .bus = &spi_bus_type, + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .suspend = cw1200_spi_suspend, + .resume = cw1200_spi_resume, +#endif + }, +}; + +module_spi_driver(spi_driver); diff --git a/drivers/net/wireless/cw1200/debug.c b/drivers/net/wireless/cw1200/debug.c new file mode 100644 index 000000000000..eb40c9c61a51 --- /dev/null +++ b/drivers/net/wireless/cw1200/debug.c @@ -0,0 +1,658 @@ +/* + * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers + * DebugFS code + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include "cw1200.h" +#include "debug.h" +#include "fwio.h" + +/* join_status */ +static const char * const cw1200_debug_join_status[] = { + "passive", + "monitor", + "station (joining)", + "station (not authenticated yet)", + "station", + "adhoc", + "access point", +}; + +/* WSM_JOIN_PREAMBLE_... */ +static const char * const cw1200_debug_preamble[] = { + "long", + "short", + "long on 1 and 2 Mbps", +}; + + +static const char * const cw1200_debug_link_id[] = { + "OFF", + "REQ", + "SOFT", + "HARD", +}; + +static const char *cw1200_debug_mode(int mode) +{ + switch (mode) { + case NL80211_IFTYPE_UNSPECIFIED: + return "unspecified"; + case NL80211_IFTYPE_MONITOR: + return "monitor"; + case NL80211_IFTYPE_STATION: + return "station"; + case NL80211_IFTYPE_ADHOC: + return "adhoc"; + case NL80211_IFTYPE_MESH_POINT: + return "mesh point"; + case NL80211_IFTYPE_AP: + return "access point"; + case NL80211_IFTYPE_P2P_CLIENT: + return "p2p client"; + case NL80211_IFTYPE_P2P_GO: + return "p2p go"; + default: + return "unsupported"; + } +} + +static void cw1200_queue_status_show(struct seq_file *seq, + struct cw1200_queue *q) +{ + int i; + seq_printf(seq, "Queue %d:\n", q->queue_id); + seq_printf(seq, " capacity: %zu\n", q->capacity); + seq_printf(seq, " queued: %zu\n", q->num_queued); + seq_printf(seq, " pending: %zu\n", q->num_pending); + seq_printf(seq, " sent: %zu\n", q->num_sent); + seq_printf(seq, " locked: %s\n", q->tx_locked_cnt ? "yes" : "no"); + seq_printf(seq, " overfull: %s\n", q->overfull ? "yes" : "no"); + seq_puts(seq, " link map: 0-> "); + for (i = 0; i < q->stats->map_capacity; ++i) + seq_printf(seq, "%.2d ", q->link_map_cache[i]); + seq_printf(seq, "<-%zu\n", q->stats->map_capacity); +} + +static void cw1200_debug_print_map(struct seq_file *seq, + struct cw1200_common *priv, + const char *label, + u32 map) +{ + int i; + seq_printf(seq, "%s0-> ", label); + for (i = 0; i < priv->tx_queue_stats.map_capacity; ++i) + seq_printf(seq, "%s ", (map & BIT(i)) ? "**" : ".."); + seq_printf(seq, "<-%zu\n", priv->tx_queue_stats.map_capacity - 1); +} + +static int cw1200_status_show(struct seq_file *seq, void *v) +{ + int i; + struct list_head *item; + struct cw1200_common *priv = seq->private; + struct cw1200_debug_priv *d = priv->debug; + + seq_puts(seq, "CW1200 Wireless LAN driver status\n"); + seq_printf(seq, "Hardware: %d.%d\n", + priv->wsm_caps.hw_id, + priv->wsm_caps.hw_subid); + seq_printf(seq, "Firmware: %s %d.%d\n", + cw1200_fw_types[priv->wsm_caps.fw_type], + priv->wsm_caps.fw_ver, + priv->wsm_caps.fw_build); + seq_printf(seq, "FW API: %d\n", + priv->wsm_caps.fw_api); + seq_printf(seq, "FW caps: 0x%.4X\n", + priv->wsm_caps.fw_cap); + seq_printf(seq, "FW label: '%s'\n", + priv->wsm_caps.fw_label); + seq_printf(seq, "Mode: %s%s\n", + cw1200_debug_mode(priv->mode), + priv->listening ? " (listening)" : ""); + seq_printf(seq, "Join state: %s\n", + cw1200_debug_join_status[priv->join_status]); + if (priv->channel) + seq_printf(seq, "Channel: %d%s\n", + priv->channel->hw_value, + priv->channel_switch_in_progress ? + " (switching)" : ""); + if (priv->rx_filter.promiscuous) + seq_puts(seq, "Filter: promisc\n"); + else if (priv->rx_filter.fcs) + seq_puts(seq, "Filter: fcs\n"); + if (priv->rx_filter.bssid) + seq_puts(seq, "Filter: bssid\n"); + if (!priv->disable_beacon_filter) + seq_puts(seq, "Filter: beacons\n"); + + if (priv->enable_beacon || + priv->mode == NL80211_IFTYPE_AP || + priv->mode == NL80211_IFTYPE_ADHOC || + priv->mode == NL80211_IFTYPE_MESH_POINT || + priv->mode == NL80211_IFTYPE_P2P_GO) + seq_printf(seq, "Beaconing: %s\n", + priv->enable_beacon ? + "enabled" : "disabled"); + + for (i = 0; i < 4; ++i) + seq_printf(seq, "EDCA(%d): %d, %d, %d, %d, %d\n", i, + priv->edca.params[i].cwmin, + priv->edca.params[i].cwmax, + priv->edca.params[i].aifns, + priv->edca.params[i].txop_limit, + priv->edca.params[i].max_rx_lifetime); + + if (priv->join_status == CW1200_JOIN_STATUS_STA) { + static const char *pm_mode = "unknown"; + switch (priv->powersave_mode.mode) { + case WSM_PSM_ACTIVE: + pm_mode = "off"; + break; + case WSM_PSM_PS: + pm_mode = "on"; + break; + case WSM_PSM_FAST_PS: + pm_mode = "dynamic"; + break; + } + seq_printf(seq, "Preamble: %s\n", + cw1200_debug_preamble[priv->association_mode.preamble]); + seq_printf(seq, "AMPDU spcn: %d\n", + priv->association_mode.mpdu_start_spacing); + seq_printf(seq, "Basic rate: 0x%.8X\n", + le32_to_cpu(priv->association_mode.basic_rate_set)); + seq_printf(seq, "Bss lost: %d beacons\n", + priv->bss_params.beacon_lost_count); + seq_printf(seq, "AID: %d\n", + priv->bss_params.aid); + seq_printf(seq, "Rates: 0x%.8X\n", + priv->bss_params.operational_rate_set); + seq_printf(seq, "Powersave: %s\n", pm_mode); + } + seq_printf(seq, "HT: %s\n", + cw1200_is_ht(&priv->ht_info) ? "on" : "off"); + if (cw1200_is_ht(&priv->ht_info)) { + seq_printf(seq, "Greenfield: %s\n", + cw1200_ht_greenfield(&priv->ht_info) ? "yes" : "no"); + seq_printf(seq, "AMPDU dens: %d\n", + cw1200_ht_ampdu_density(&priv->ht_info)); + } + seq_printf(seq, "RSSI thold: %d\n", + priv->cqm_rssi_thold); + seq_printf(seq, "RSSI hyst: %d\n", + priv->cqm_rssi_hyst); + seq_printf(seq, "Long retr: %d\n", + priv->long_frame_max_tx_count); + seq_printf(seq, "Short retr: %d\n", + priv->short_frame_max_tx_count); + spin_lock_bh(&priv->tx_policy_cache.lock); + i = 0; + list_for_each(item, &priv->tx_policy_cache.used) + ++i; + spin_unlock_bh(&priv->tx_policy_cache.lock); + seq_printf(seq, "RC in use: %d\n", i); + + seq_puts(seq, "\n"); + for (i = 0; i < 4; ++i) { + cw1200_queue_status_show(seq, &priv->tx_queue[i]); + seq_puts(seq, "\n"); + } + + cw1200_debug_print_map(seq, priv, "Link map: ", + priv->link_id_map); + cw1200_debug_print_map(seq, priv, "Asleep map: ", + priv->sta_asleep_mask); + cw1200_debug_print_map(seq, priv, "PSPOLL map: ", + priv->pspoll_mask); + + seq_puts(seq, "\n"); + + for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) { + if (priv->link_id_db[i].status) { + seq_printf(seq, "Link %d: %s, %pM\n", + i + 1, + cw1200_debug_link_id[priv->link_id_db[i].status], + priv->link_id_db[i].mac); + } + } + + seq_puts(seq, "\n"); + + seq_printf(seq, "BH status: %s\n", + atomic_read(&priv->bh_term) ? "terminated" : "alive"); + seq_printf(seq, "Pending RX: %d\n", + atomic_read(&priv->bh_rx)); + seq_printf(seq, "Pending TX: %d\n", + atomic_read(&priv->bh_tx)); + if (priv->bh_error) + seq_printf(seq, "BH errcode: %d\n", + priv->bh_error); + seq_printf(seq, "TX bufs: %d x %d bytes\n", + priv->wsm_caps.input_buffers, + priv->wsm_caps.input_buffer_size); + seq_printf(seq, "Used bufs: %d\n", + priv->hw_bufs_used); + seq_printf(seq, "Powermgmt: %s\n", + priv->powersave_enabled ? "on" : "off"); + seq_printf(seq, "Device: %s\n", + priv->device_can_sleep ? "asleep" : "awake"); + + spin_lock(&priv->wsm_cmd.lock); + seq_printf(seq, "WSM status: %s\n", + priv->wsm_cmd.done ? "idle" : "active"); + seq_printf(seq, "WSM cmd: 0x%.4X (%td bytes)\n", + priv->wsm_cmd.cmd, priv->wsm_cmd.len); + seq_printf(seq, "WSM retval: %d\n", + priv->wsm_cmd.ret); + spin_unlock(&priv->wsm_cmd.lock); + + seq_printf(seq, "Datapath: %s\n", + atomic_read(&priv->tx_lock) ? "locked" : "unlocked"); + if (atomic_read(&priv->tx_lock)) + seq_printf(seq, "TXlock cnt: %d\n", + atomic_read(&priv->tx_lock)); + + seq_printf(seq, "TXed: %d\n", + d->tx); + seq_printf(seq, "AGG TXed: %d\n", + d->tx_agg); + seq_printf(seq, "MULTI TXed: %d (%d)\n", + d->tx_multi, d->tx_multi_frames); + seq_printf(seq, "RXed: %d\n", + d->rx); + seq_printf(seq, "AGG RXed: %d\n", + d->rx_agg); + seq_printf(seq, "TX miss: %d\n", + d->tx_cache_miss); + seq_printf(seq, "TX align: %d\n", + d->tx_align); + seq_printf(seq, "TX burst: %d\n", + d->tx_burst); + seq_printf(seq, "TX TTL: %d\n", + d->tx_ttl); + seq_printf(seq, "Scan: %s\n", + atomic_read(&priv->scan.in_progress) ? "active" : "idle"); + + return 0; +} + +static int cw1200_status_open(struct inode *inode, struct file *file) +{ + return single_open(file, &cw1200_status_show, + inode->i_private); +} + +static const struct file_operations fops_status = { + .open = cw1200_status_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static int cw1200_counters_show(struct seq_file *seq, void *v) +{ + int ret; + struct cw1200_common *priv = seq->private; + struct wsm_mib_counters_table counters; + + ret = wsm_get_counters_table(priv, &counters); + if (ret) + return ret; + +#define PUT_COUNTER(tab, name) \ + seq_printf(seq, "%s:" tab "%d\n", #name, \ + __le32_to_cpu(counters.name)) + + PUT_COUNTER("\t\t", plcp_errors); + PUT_COUNTER("\t\t", fcs_errors); + PUT_COUNTER("\t\t", tx_packets); + PUT_COUNTER("\t\t", rx_packets); + PUT_COUNTER("\t\t", rx_packet_errors); + PUT_COUNTER("\t", rx_decryption_failures); + PUT_COUNTER("\t\t", rx_mic_failures); + PUT_COUNTER("\t", rx_no_key_failures); + PUT_COUNTER("\t", tx_multicast_frames); + PUT_COUNTER("\t", tx_frames_success); + PUT_COUNTER("\t", tx_frame_failures); + PUT_COUNTER("\t", tx_frames_retried); + PUT_COUNTER("\t", tx_frames_multi_retried); + PUT_COUNTER("\t", rx_frame_duplicates); + PUT_COUNTER("\t\t", rts_success); + PUT_COUNTER("\t\t", rts_failures); + PUT_COUNTER("\t\t", ack_failures); + PUT_COUNTER("\t", rx_multicast_frames); + PUT_COUNTER("\t", rx_frames_success); + PUT_COUNTER("\t", rx_cmac_icv_errors); + PUT_COUNTER("\t\t", rx_cmac_replays); + PUT_COUNTER("\t", rx_mgmt_ccmp_replays); + +#undef PUT_COUNTER + + return 0; +} + +static int cw1200_counters_open(struct inode *inode, struct file *file) +{ + return single_open(file, &cw1200_counters_show, + inode->i_private); +} + +static const struct file_operations fops_counters = { + .open = cw1200_counters_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +#ifdef CONFIG_CW1200_ETF +static int cw1200_etf_out_show(struct seq_file *seq, void *v) +{ + struct cw1200_common *priv = seq->private; + struct sk_buff *skb; + u32 len = 0; + + skb = skb_dequeue(&priv->etf_q); + + if (skb) + len = skb->len; + + seq_write(seq, &len, sizeof(len)); + + if (skb) { + seq_write(seq, skb->data, len); + kfree_skb(skb); + } + + return 0; +} + +static int cw1200_etf_out_open(struct inode *inode, struct file *file) +{ + return single_open(file, &cw1200_etf_out_show, + inode->i_private); +} + +static const struct file_operations fops_etf_out = { + .open = cw1200_etf_out_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +struct etf_req_msg; +static int etf_request(struct cw1200_common *priv, + struct etf_req_msg *msg, u32 len); + +#define MAX_RX_SZE 2600 + +struct etf_in_state { + struct cw1200_common *priv; + u32 total_len; + u8 buf[MAX_RX_SZE]; + u32 written; +}; + +static int cw1200_etf_in_open(struct inode *inode, struct file *file) +{ + struct etf_in_state *etf = kmalloc(sizeof(struct etf_in_state), + GFP_KERNEL); + + if (!etf) + return -ENOMEM; + + etf->written = 0; + etf->total_len = 0; + etf->priv = inode->i_private; + + file->private_data = etf; + + return 0; +} + +static int cw1200_etf_in_release(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +static ssize_t cw1200_etf_in_write(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct etf_in_state *etf = file->private_data; + + ssize_t written = 0; + + if (!etf->total_len) { + if (count < sizeof(etf->total_len)) { + pr_err("count < sizeof(total_len)\n"); + return -EINVAL; + } + + if (copy_from_user(&etf->total_len, user_buf, + sizeof(etf->total_len))) { + pr_err("copy_from_user (len) failed\n"); + return -EFAULT; + } + + written += sizeof(etf->total_len); + count -= sizeof(etf->total_len); + } + + if (!count) + goto done; + + if (copy_from_user(etf->buf + etf->written, user_buf + written, + count)) { + pr_err("copy_from_user (payload %zu) failed\n", count); + return -EFAULT; + } + + written += count; + etf->written += count; + + if (etf->written >= etf->total_len) { + if (etf_request(etf->priv, (struct etf_req_msg *)etf->buf, + etf->total_len)) { + pr_err("etf_request failed\n"); + return -EIO; + } + } + +done: + return written; +} + +static const struct file_operations fops_etf_in = { + .open = cw1200_etf_in_open, + .release = cw1200_etf_in_release, + .write = cw1200_etf_in_write, + .llseek = default_llseek, + .owner = THIS_MODULE, +}; +#endif /* CONFIG_CW1200_ETF */ + +static ssize_t cw1200_wsm_dumps(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct cw1200_common *priv = file->private_data; + char buf[1]; + + if (!count) + return -EINVAL; + if (copy_from_user(buf, user_buf, 1)) + return -EFAULT; + + if (buf[0] == '1') + priv->wsm_enable_wsm_dumps = 1; + else + priv->wsm_enable_wsm_dumps = 0; + + return count; +} + +static const struct file_operations fops_wsm_dumps = { + .open = simple_open, + .write = cw1200_wsm_dumps, + .llseek = default_llseek, +}; + +int cw1200_debug_init(struct cw1200_common *priv) +{ + int ret = -ENOMEM; + struct cw1200_debug_priv *d = kzalloc(sizeof(struct cw1200_debug_priv), + GFP_KERNEL); + priv->debug = d; + if (!d) + return ret; + + d->debugfs_phy = debugfs_create_dir("cw1200", + priv->hw->wiphy->debugfsdir); + if (!d->debugfs_phy) + goto err; + + if (!debugfs_create_file("status", S_IRUSR, d->debugfs_phy, + priv, &fops_status)) + goto err; + + if (!debugfs_create_file("counters", S_IRUSR, d->debugfs_phy, + priv, &fops_counters)) + goto err; + +#ifdef CONFIG_CW1200_ETF + if (etf_mode) { + skb_queue_head_init(&priv->etf_q); + + if (!debugfs_create_file("etf_out", S_IRUSR, d->debugfs_phy, + priv, &fops_etf_out)) + goto err; + if (!debugfs_create_file("etf_in", S_IWUSR, d->debugfs_phy, + priv, &fops_etf_in)) + goto err; + } +#endif /* CONFIG_CW1200_ETF */ + + if (!debugfs_create_file("wsm_dumps", S_IWUSR, d->debugfs_phy, + priv, &fops_wsm_dumps)) + goto err; + + ret = cw1200_itp_init(priv); + if (ret) + goto err; + + return 0; + +err: + priv->debug = NULL; + debugfs_remove_recursive(d->debugfs_phy); + kfree(d); + return ret; +} + +void cw1200_debug_release(struct cw1200_common *priv) +{ + struct cw1200_debug_priv *d = priv->debug; + if (d) { + cw1200_itp_release(priv); + priv->debug = NULL; + kfree(d); + } +} + +#ifdef CONFIG_CW1200_ETF +struct cw1200_sdd { + u8 id; + u8 len; + u8 data[]; +}; + +struct etf_req_msg { + u32 id; + u32 len; + u8 data[]; +}; + +static int parse_sdd_file(struct cw1200_common *priv, u8 *data, u32 length) +{ + struct cw1200_sdd *ie; + + while (length > 0) { + ie = (struct cw1200_sdd *)data; + if (ie->id == SDD_REFERENCE_FREQUENCY_ELT_ID) { + priv->hw_refclk = cpu_to_le16(*((u16 *)ie->data)); + pr_info("Using Reference clock frequency %d KHz\n", + priv->hw_refclk); + break; + } + + length -= ie->len + sizeof(*ie); + data += ie->len + sizeof(*ie); + } + return 0; +} + +char *etf_firmware; + +#define ST90TDS_START_ADAPTER 0x09 /* Loads firmware too */ +#define ST90TDS_STOP_ADAPTER 0x0A +#define ST90TDS_CONFIG_ADAPTER 0x0E /* Send configuration params */ +#define ST90TDS_SBUS_READ 0x13 +#define ST90TDS_SBUS_WRITE 0x14 +#define ST90TDS_GET_DEVICE_OPTION 0x19 +#define ST90TDS_SET_DEVICE_OPTION 0x1A +#define ST90TDS_SEND_SDD 0x1D /* SDD File used to find DPLL */ + +#include "fwio.h" + +static int etf_request(struct cw1200_common *priv, + struct etf_req_msg *msg, + u32 len) +{ + int rval = -1; + switch (msg->id) { + case ST90TDS_START_ADAPTER: + etf_firmware = "cw1200_etf.bin"; + pr_info("ETF_START (len %d, '%s')\n", len, etf_firmware); + rval = cw1200_load_firmware(priv); + break; + case ST90TDS_STOP_ADAPTER: + pr_info("ETF_STOP (unhandled)\n"); + break; + case ST90TDS_SEND_SDD: + pr_info("ETF_SDD\n"); + rval = parse_sdd_file(priv, msg->data, msg->len); + break; + case ST90TDS_CONFIG_ADAPTER: + pr_info("ETF_CONFIG_ADAP (unhandled)\n"); + break; + case ST90TDS_SBUS_READ: + pr_info("ETF_SBUS_READ (unhandled)\n"); + break; + case ST90TDS_SBUS_WRITE: + pr_info("ETF_SBUS_WRITE (unhandled)\n"); + break; + case ST90TDS_SET_DEVICE_OPTION: + pr_info("ETF_SET_DEV_OPT (unhandled)\n"); + break; + default: + pr_info("ETF_PASSTHRU (0x%08x)\n", msg->id); + rval = wsm_raw_cmd(priv, (u8 *)msg, len); + break; + } + + return rval; +} +#endif /* CONFIG_CW1200_ETF */ diff --git a/drivers/net/wireless/cw1200/debug.h b/drivers/net/wireless/cw1200/debug.h new file mode 100644 index 000000000000..1fea5b29a819 --- /dev/null +++ b/drivers/net/wireless/cw1200/debug.h @@ -0,0 +1,98 @@ +/* + * DebugFS code for ST-Ericsson CW1200 mac80211 driver + * + * Copyright (c) 2011, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_DEBUG_H_INCLUDED +#define CW1200_DEBUG_H_INCLUDED + +#include "itp.h" + +struct cw1200_debug_priv { + struct dentry *debugfs_phy; + int tx; + int tx_agg; + int rx; + int rx_agg; + int tx_multi; + int tx_multi_frames; + int tx_cache_miss; + int tx_align; + int tx_ttl; + int tx_burst; + int ba_cnt; + int ba_acc; + int ba_cnt_rx; + int ba_acc_rx; +#ifdef CONFIG_CW1200_ITP + struct cw1200_itp itp; +#endif /* CONFIG_CW1200_ITP */ +}; + +int cw1200_debug_init(struct cw1200_common *priv); +void cw1200_debug_release(struct cw1200_common *priv); + +static inline void cw1200_debug_txed(struct cw1200_common *priv) +{ + ++priv->debug->tx; +} + +static inline void cw1200_debug_txed_agg(struct cw1200_common *priv) +{ + ++priv->debug->tx_agg; +} + +static inline void cw1200_debug_txed_multi(struct cw1200_common *priv, + int count) +{ + ++priv->debug->tx_multi; + priv->debug->tx_multi_frames += count; +} + +static inline void cw1200_debug_rxed(struct cw1200_common *priv) +{ + ++priv->debug->rx; +} + +static inline void cw1200_debug_rxed_agg(struct cw1200_common *priv) +{ + ++priv->debug->rx_agg; +} + +static inline void cw1200_debug_tx_cache_miss(struct cw1200_common *priv) +{ + ++priv->debug->tx_cache_miss; +} + +static inline void cw1200_debug_tx_align(struct cw1200_common *priv) +{ + ++priv->debug->tx_align; +} + +static inline void cw1200_debug_tx_ttl(struct cw1200_common *priv) +{ + ++priv->debug->tx_ttl; +} + +static inline void cw1200_debug_tx_burst(struct cw1200_common *priv) +{ + ++priv->debug->tx_burst; +} + +static inline void cw1200_debug_ba(struct cw1200_common *priv, + int ba_cnt, int ba_acc, + int ba_cnt_rx, int ba_acc_rx) +{ + priv->debug->ba_cnt = ba_cnt; + priv->debug->ba_acc = ba_acc; + priv->debug->ba_cnt_rx = ba_cnt_rx; + priv->debug->ba_acc_rx = ba_acc_rx; +} + +#endif /* CW1200_DEBUG_H_INCLUDED */ diff --git a/drivers/net/wireless/cw1200/fwio.c b/drivers/net/wireless/cw1200/fwio.c new file mode 100644 index 000000000000..427c9f24b94e --- /dev/null +++ b/drivers/net/wireless/cw1200/fwio.c @@ -0,0 +1,525 @@ +/* + * Firmware I/O code for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/vmalloc.h> +#include <linux/sched.h> +#include <linux/firmware.h> + +#include "cw1200.h" +#include "fwio.h" +#include "hwio.h" +#include "hwbus.h" +#include "bh.h" + +static int cw1200_get_hw_type(u32 config_reg_val, int *major_revision) +{ + int hw_type = -1; + u32 silicon_type = (config_reg_val >> 24) & 0x7; + u32 silicon_vers = (config_reg_val >> 31) & 0x1; + + switch (silicon_type) { + case 0x00: + *major_revision = 1; + hw_type = HIF_9000_SILICON_VERSATILE; + break; + case 0x01: + case 0x02: /* CW1x00 */ + case 0x04: /* CW1x60 */ + *major_revision = silicon_type; + if (silicon_vers) + hw_type = HIF_8601_VERSATILE; + else + hw_type = HIF_8601_SILICON; + break; + default: + break; + } + + return hw_type; +} + +static int cw1200_load_firmware_cw1200(struct cw1200_common *priv) +{ + int ret, block, num_blocks; + unsigned i; + u32 val32; + u32 put = 0, get = 0; + u8 *buf = NULL; + const char *fw_path; + const struct firmware *firmware = NULL; + + /* Macroses are local. */ +#define APB_WRITE(reg, val) \ + do { \ + ret = cw1200_apb_write_32(priv, CW1200_APB(reg), (val)); \ + if (ret < 0) \ + goto error; \ + } while (0) +#define APB_READ(reg, val) \ + do { \ + ret = cw1200_apb_read_32(priv, CW1200_APB(reg), &(val)); \ + if (ret < 0) \ + goto error; \ + } while (0) +#define REG_WRITE(reg, val) \ + do { \ + ret = cw1200_reg_write_32(priv, (reg), (val)); \ + if (ret < 0) \ + goto error; \ + } while (0) +#define REG_READ(reg, val) \ + do { \ + ret = cw1200_reg_read_32(priv, (reg), &(val)); \ + if (ret < 0) \ + goto error; \ + } while (0) + + switch (priv->hw_revision) { + case CW1200_HW_REV_CUT10: + fw_path = FIRMWARE_CUT10; + if (!priv->sdd_path) + priv->sdd_path = SDD_FILE_10; + break; + case CW1200_HW_REV_CUT11: + fw_path = FIRMWARE_CUT11; + if (!priv->sdd_path) + priv->sdd_path = SDD_FILE_11; + break; + case CW1200_HW_REV_CUT20: + fw_path = FIRMWARE_CUT20; + if (!priv->sdd_path) + priv->sdd_path = SDD_FILE_20; + break; + case CW1200_HW_REV_CUT22: + fw_path = FIRMWARE_CUT22; + if (!priv->sdd_path) + priv->sdd_path = SDD_FILE_22; + break; + case CW1X60_HW_REV: + fw_path = FIRMWARE_CW1X60; + if (!priv->sdd_path) + priv->sdd_path = SDD_FILE_CW1X60; + break; + default: + pr_err("Invalid silicon revision %d.\n", priv->hw_revision); + return -EINVAL; + } + + /* Initialize common registers */ + APB_WRITE(DOWNLOAD_IMAGE_SIZE_REG, DOWNLOAD_ARE_YOU_HERE); + APB_WRITE(DOWNLOAD_PUT_REG, 0); + APB_WRITE(DOWNLOAD_GET_REG, 0); + APB_WRITE(DOWNLOAD_STATUS_REG, DOWNLOAD_PENDING); + APB_WRITE(DOWNLOAD_FLAGS_REG, 0); + + /* Write the NOP Instruction */ + REG_WRITE(ST90TDS_SRAM_BASE_ADDR_REG_ID, 0xFFF20000); + REG_WRITE(ST90TDS_AHB_DPORT_REG_ID, 0xEAFFFFFE); + + /* Release CPU from RESET */ + REG_READ(ST90TDS_CONFIG_REG_ID, val32); + val32 &= ~ST90TDS_CONFIG_CPU_RESET_BIT; + REG_WRITE(ST90TDS_CONFIG_REG_ID, val32); + + /* Enable Clock */ + val32 &= ~ST90TDS_CONFIG_CPU_CLK_DIS_BIT; + REG_WRITE(ST90TDS_CONFIG_REG_ID, val32); + +#ifdef CONFIG_CW1200_ETF + if (etf_mode) + fw_path = etf_firmware; +#endif + + /* Load a firmware file */ + ret = request_firmware(&firmware, fw_path, priv->pdev); + if (ret) { + pr_err("Can't load firmware file %s.\n", fw_path); + goto error; + } + + buf = kmalloc(DOWNLOAD_BLOCK_SIZE, GFP_KERNEL | GFP_DMA); + if (!buf) { + pr_err("Can't allocate firmware load buffer.\n"); + ret = -ENOMEM; + goto error; + } + + /* Check if the bootloader is ready */ + for (i = 0; i < 100; i += 1 + i / 2) { + APB_READ(DOWNLOAD_IMAGE_SIZE_REG, val32); + if (val32 == DOWNLOAD_I_AM_HERE) + break; + mdelay(i); + } /* End of for loop */ + + if (val32 != DOWNLOAD_I_AM_HERE) { + pr_err("Bootloader is not ready.\n"); + ret = -ETIMEDOUT; + goto error; + } + + /* Calculcate number of download blocks */ + num_blocks = (firmware->size - 1) / DOWNLOAD_BLOCK_SIZE + 1; + + /* Updating the length in Download Ctrl Area */ + val32 = firmware->size; /* Explicit cast from size_t to u32 */ + APB_WRITE(DOWNLOAD_IMAGE_SIZE_REG, val32); + + /* Firmware downloading loop */ + for (block = 0; block < num_blocks; block++) { + size_t tx_size; + size_t block_size; + + /* check the download status */ + APB_READ(DOWNLOAD_STATUS_REG, val32); + if (val32 != DOWNLOAD_PENDING) { + pr_err("Bootloader reported error %d.\n", val32); + ret = -EIO; + goto error; + } + + /* loop until put - get <= 24K */ + for (i = 0; i < 100; i++) { + APB_READ(DOWNLOAD_GET_REG, get); + if ((put - get) <= + (DOWNLOAD_FIFO_SIZE - DOWNLOAD_BLOCK_SIZE)) + break; + mdelay(i); + } + + if ((put - get) > (DOWNLOAD_FIFO_SIZE - DOWNLOAD_BLOCK_SIZE)) { + pr_err("Timeout waiting for FIFO.\n"); + ret = -ETIMEDOUT; + goto error; + } + + /* calculate the block size */ + tx_size = block_size = min((size_t)(firmware->size - put), + (size_t)DOWNLOAD_BLOCK_SIZE); + + memcpy(buf, &firmware->data[put], block_size); + if (block_size < DOWNLOAD_BLOCK_SIZE) { + memset(&buf[block_size], 0, + DOWNLOAD_BLOCK_SIZE - block_size); + tx_size = DOWNLOAD_BLOCK_SIZE; + } + + /* send the block to sram */ + ret = cw1200_apb_write(priv, + CW1200_APB(DOWNLOAD_FIFO_OFFSET + + (put & (DOWNLOAD_FIFO_SIZE - 1))), + buf, tx_size); + if (ret < 0) { + pr_err("Can't write firmware block @ %d!\n", + put & (DOWNLOAD_FIFO_SIZE - 1)); + goto error; + } + + /* update the put register */ + put += block_size; + APB_WRITE(DOWNLOAD_PUT_REG, put); + } /* End of firmware download loop */ + + /* Wait for the download completion */ + for (i = 0; i < 300; i += 1 + i / 2) { + APB_READ(DOWNLOAD_STATUS_REG, val32); + if (val32 != DOWNLOAD_PENDING) + break; + mdelay(i); + } + if (val32 != DOWNLOAD_SUCCESS) { + pr_err("Wait for download completion failed: 0x%.8X\n", val32); + ret = -ETIMEDOUT; + goto error; + } else { + pr_info("Firmware download completed.\n"); + ret = 0; + } + +error: + kfree(buf); + if (firmware) + release_firmware(firmware); + return ret; + +#undef APB_WRITE +#undef APB_READ +#undef REG_WRITE +#undef REG_READ +} + + +static int config_reg_read(struct cw1200_common *priv, u32 *val) +{ + switch (priv->hw_type) { + case HIF_9000_SILICON_VERSATILE: { + u16 val16; + int ret = cw1200_reg_read_16(priv, + ST90TDS_CONFIG_REG_ID, + &val16); + if (ret < 0) + return ret; + *val = val16; + return 0; + } + case HIF_8601_VERSATILE: + case HIF_8601_SILICON: + default: + cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, val); + break; + } + return 0; +} + +static int config_reg_write(struct cw1200_common *priv, u32 val) +{ + switch (priv->hw_type) { + case HIF_9000_SILICON_VERSATILE: + return cw1200_reg_write_16(priv, + ST90TDS_CONFIG_REG_ID, + (u16)val); + case HIF_8601_VERSATILE: + case HIF_8601_SILICON: + default: + return cw1200_reg_write_32(priv, ST90TDS_CONFIG_REG_ID, val); + break; + } + return 0; +} + +int cw1200_load_firmware(struct cw1200_common *priv) +{ + int ret; + int i; + u32 val32; + u16 val16; + int major_revision = -1; + + /* Read CONFIG Register */ + ret = cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); + if (ret < 0) { + pr_err("Can't read config register.\n"); + goto out; + } + + if (val32 == 0 || val32 == 0xffffffff) { + pr_err("Bad config register value (0x%08x)\n", val32); + ret = -EIO; + goto out; + } + + priv->hw_type = cw1200_get_hw_type(val32, &major_revision); + if (priv->hw_type < 0) { + pr_err("Can't deduce hardware type.\n"); + ret = -ENOTSUPP; + goto out; + } + + /* Set DPLL Reg value, and read back to confirm writes work */ + ret = cw1200_reg_write_32(priv, ST90TDS_TSET_GEN_R_W_REG_ID, + cw1200_dpll_from_clk(priv->hw_refclk)); + if (ret < 0) { + pr_err("Can't write DPLL register.\n"); + goto out; + } + + msleep(20); + + ret = cw1200_reg_read_32(priv, + ST90TDS_TSET_GEN_R_W_REG_ID, &val32); + if (ret < 0) { + pr_err("Can't read DPLL register.\n"); + goto out; + } + + if (val32 != cw1200_dpll_from_clk(priv->hw_refclk)) { + pr_err("Unable to initialise DPLL register. Wrote 0x%.8X, Read 0x%.8X.\n", + cw1200_dpll_from_clk(priv->hw_refclk), val32); + ret = -EIO; + goto out; + } + + /* Set wakeup bit in device */ + ret = cw1200_reg_read_16(priv, ST90TDS_CONTROL_REG_ID, &val16); + if (ret < 0) { + pr_err("set_wakeup: can't read control register.\n"); + goto out; + } + + ret = cw1200_reg_write_16(priv, ST90TDS_CONTROL_REG_ID, + val16 | ST90TDS_CONT_WUP_BIT); + if (ret < 0) { + pr_err("set_wakeup: can't write control register.\n"); + goto out; + } + + /* Wait for wakeup */ + for (i = 0; i < 300; i += (1 + i / 2)) { + ret = cw1200_reg_read_16(priv, + ST90TDS_CONTROL_REG_ID, &val16); + if (ret < 0) { + pr_err("wait_for_wakeup: can't read control register.\n"); + goto out; + } + + if (val16 & ST90TDS_CONT_RDY_BIT) + break; + + msleep(i); + } + + if ((val16 & ST90TDS_CONT_RDY_BIT) == 0) { + pr_err("wait_for_wakeup: device is not responding.\n"); + ret = -ETIMEDOUT; + goto out; + } + + switch (major_revision) { + case 1: + /* CW1200 Hardware detection logic : Check for CUT1.1 */ + ret = cw1200_ahb_read_32(priv, CW1200_CUT_ID_ADDR, &val32); + if (ret) { + pr_err("HW detection: can't read CUT ID.\n"); + goto out; + } + + switch (val32) { + case CW1200_CUT_11_ID_STR: + pr_info("CW1x00 Cut 1.1 silicon detected.\n"); + priv->hw_revision = CW1200_HW_REV_CUT11; + break; + default: + pr_info("CW1x00 Cut 1.0 silicon detected.\n"); + priv->hw_revision = CW1200_HW_REV_CUT10; + break; + } + + /* According to ST-E, CUT<2.0 has busted BA TID0-3. + Just disable it entirely... + */ + priv->ba_rx_tid_mask = 0; + priv->ba_tx_tid_mask = 0; + break; + case 2: { + u32 ar1, ar2, ar3; + ret = cw1200_ahb_read_32(priv, CW1200_CUT2_ID_ADDR, &ar1); + if (ret) { + pr_err("(1) HW detection: can't read CUT ID\n"); + goto out; + } + ret = cw1200_ahb_read_32(priv, CW1200_CUT2_ID_ADDR + 4, &ar2); + if (ret) { + pr_err("(2) HW detection: can't read CUT ID.\n"); + goto out; + } + + ret = cw1200_ahb_read_32(priv, CW1200_CUT2_ID_ADDR + 8, &ar3); + if (ret) { + pr_err("(3) HW detection: can't read CUT ID.\n"); + goto out; + } + + if (ar1 == CW1200_CUT_22_ID_STR1 && + ar2 == CW1200_CUT_22_ID_STR2 && + ar3 == CW1200_CUT_22_ID_STR3) { + pr_info("CW1x00 Cut 2.2 silicon detected.\n"); + priv->hw_revision = CW1200_HW_REV_CUT22; + } else { + pr_info("CW1x00 Cut 2.0 silicon detected.\n"); + priv->hw_revision = CW1200_HW_REV_CUT20; + } + break; + } + case 4: + pr_info("CW1x60 silicon detected.\n"); + priv->hw_revision = CW1X60_HW_REV; + break; + default: + pr_err("Unsupported silicon major revision %d.\n", + major_revision); + ret = -ENOTSUPP; + goto out; + } + + /* Checking for access mode */ + ret = config_reg_read(priv, &val32); + if (ret < 0) { + pr_err("Can't read config register.\n"); + goto out; + } + + if (!(val32 & ST90TDS_CONFIG_ACCESS_MODE_BIT)) { + pr_err("Device is already in QUEUE mode!\n"); + ret = -EINVAL; + goto out; + } + + switch (priv->hw_type) { + case HIF_8601_SILICON: + if (priv->hw_revision == CW1X60_HW_REV) { + pr_err("Can't handle CW1160/1260 firmware load yet.\n"); + ret = -ENOTSUPP; + goto out; + } + ret = cw1200_load_firmware_cw1200(priv); + break; + default: + pr_err("Can't perform firmware load for hw type %d.\n", + priv->hw_type); + ret = -ENOTSUPP; + goto out; + } + if (ret < 0) { + pr_err("Firmware load error.\n"); + goto out; + } + + /* Enable interrupt signalling */ + priv->hwbus_ops->lock(priv->hwbus_priv); + ret = __cw1200_irq_enable(priv, 1); + priv->hwbus_ops->unlock(priv->hwbus_priv); + if (ret < 0) + goto unsubscribe; + + /* Configure device for MESSSAGE MODE */ + ret = config_reg_read(priv, &val32); + if (ret < 0) { + pr_err("Can't read config register.\n"); + goto unsubscribe; + } + ret = config_reg_write(priv, val32 & ~ST90TDS_CONFIG_ACCESS_MODE_BIT); + if (ret < 0) { + pr_err("Can't write config register.\n"); + goto unsubscribe; + } + + /* Unless we read the CONFIG Register we are + * not able to get an interrupt + */ + mdelay(10); + config_reg_read(priv, &val32); + +out: + return ret; + +unsubscribe: + /* Disable interrupt signalling */ + priv->hwbus_ops->lock(priv->hwbus_priv); + ret = __cw1200_irq_enable(priv, 0); + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} diff --git a/drivers/net/wireless/cw1200/fwio.h b/drivers/net/wireless/cw1200/fwio.h new file mode 100644 index 000000000000..ea3099362cdf --- /dev/null +++ b/drivers/net/wireless/cw1200/fwio.h @@ -0,0 +1,39 @@ +/* + * Firmware API for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef FWIO_H_INCLUDED +#define FWIO_H_INCLUDED + +#define BOOTLOADER_CW1X60 "boot_cw1x60.bin" +#define FIRMWARE_CW1X60 "wsm_cw1x60.bin" +#define FIRMWARE_CUT22 "wsm_22.bin" +#define FIRMWARE_CUT20 "wsm_20.bin" +#define FIRMWARE_CUT11 "wsm_11.bin" +#define FIRMWARE_CUT10 "wsm_10.bin" +#define SDD_FILE_CW1X60 "sdd_cw1x60.bin" +#define SDD_FILE_22 "sdd_22.bin" +#define SDD_FILE_20 "sdd_20.bin" +#define SDD_FILE_11 "sdd_11.bin" +#define SDD_FILE_10 "sdd_10.bin" + +int cw1200_load_firmware(struct cw1200_common *priv); + +/* SDD definitions */ +#define SDD_PTA_CFG_ELT_ID 0xEB +#define SDD_REFERENCE_FREQUENCY_ELT_ID 0xc5 +u32 cw1200_dpll_from_clk(u16 clk); + +#endif diff --git a/drivers/net/wireless/cw1200/hwbus.h b/drivers/net/wireless/cw1200/hwbus.h new file mode 100644 index 000000000000..8b2fc831c3de --- /dev/null +++ b/drivers/net/wireless/cw1200/hwbus.h @@ -0,0 +1,33 @@ +/* + * Common hwbus abstraction layer interface for cw1200 wireless driver + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_HWBUS_H +#define CW1200_HWBUS_H + +struct hwbus_priv; + +void cw1200_irq_handler(struct cw1200_common *priv); + +/* This MUST be wrapped with hwbus_ops->lock/unlock! */ +int __cw1200_irq_enable(struct cw1200_common *priv, int enable); + +struct hwbus_ops { + int (*hwbus_memcpy_fromio)(struct hwbus_priv *self, unsigned int addr, + void *dst, int count); + int (*hwbus_memcpy_toio)(struct hwbus_priv *self, unsigned int addr, + const void *src, int count); + void (*lock)(struct hwbus_priv *self); + void (*unlock)(struct hwbus_priv *self); + size_t (*align_size)(struct hwbus_priv *self, size_t size); + int (*power_mgmt)(struct hwbus_priv *self, bool suspend); +}; + +#endif /* CW1200_HWBUS_H */ diff --git a/drivers/net/wireless/cw1200/hwio.c b/drivers/net/wireless/cw1200/hwio.c new file mode 100644 index 000000000000..142f45efa204 --- /dev/null +++ b/drivers/net/wireless/cw1200/hwio.c @@ -0,0 +1,311 @@ +/* + * Low-level device IO routines for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver, which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/types.h> + +#include "cw1200.h" +#include "hwio.h" +#include "hwbus.h" + + /* Sdio addr is 4*spi_addr */ +#define SPI_REG_ADDR_TO_SDIO(spi_reg_addr) ((spi_reg_addr) << 2) +#define SDIO_ADDR17BIT(buf_id, mpf, rfu, reg_id_ofs) \ + ((((buf_id) & 0x1F) << 7) \ + | (((mpf) & 1) << 6) \ + | (((rfu) & 1) << 5) \ + | (((reg_id_ofs) & 0x1F) << 0)) +#define MAX_RETRY 3 + + +static int __cw1200_reg_read(struct cw1200_common *priv, u16 addr, + void *buf, size_t buf_len, int buf_id) +{ + u16 addr_sdio; + u32 sdio_reg_addr_17bit; + + /* Check if buffer is aligned to 4 byte boundary */ + if (WARN_ON(((unsigned long)buf & 3) && (buf_len > 4))) { + pr_err("buffer is not aligned.\n"); + return -EINVAL; + } + + /* Convert to SDIO Register Address */ + addr_sdio = SPI_REG_ADDR_TO_SDIO(addr); + sdio_reg_addr_17bit = SDIO_ADDR17BIT(buf_id, 0, 0, addr_sdio); + + return priv->hwbus_ops->hwbus_memcpy_fromio(priv->hwbus_priv, + sdio_reg_addr_17bit, + buf, buf_len); +} + +static int __cw1200_reg_write(struct cw1200_common *priv, u16 addr, + const void *buf, size_t buf_len, int buf_id) +{ + u16 addr_sdio; + u32 sdio_reg_addr_17bit; + + /* Convert to SDIO Register Address */ + addr_sdio = SPI_REG_ADDR_TO_SDIO(addr); + sdio_reg_addr_17bit = SDIO_ADDR17BIT(buf_id, 0, 0, addr_sdio); + + return priv->hwbus_ops->hwbus_memcpy_toio(priv->hwbus_priv, + sdio_reg_addr_17bit, + buf, buf_len); +} + +static inline int __cw1200_reg_read_32(struct cw1200_common *priv, + u16 addr, u32 *val) +{ + int i = __cw1200_reg_read(priv, addr, val, sizeof(*val), 0); + *val = le32_to_cpu(*val); + return i; +} + +static inline int __cw1200_reg_write_32(struct cw1200_common *priv, + u16 addr, u32 val) +{ + val = cpu_to_le32(val); + return __cw1200_reg_write(priv, addr, &val, sizeof(val), 0); +} + +static inline int __cw1200_reg_read_16(struct cw1200_common *priv, + u16 addr, u16 *val) +{ + int i = __cw1200_reg_read(priv, addr, val, sizeof(*val), 0); + *val = le16_to_cpu(*val); + return i; +} + +static inline int __cw1200_reg_write_16(struct cw1200_common *priv, + u16 addr, u16 val) +{ + val = cpu_to_le16(val); + return __cw1200_reg_write(priv, addr, &val, sizeof(val), 0); +} + +int cw1200_reg_read(struct cw1200_common *priv, u16 addr, void *buf, + size_t buf_len) +{ + int ret; + priv->hwbus_ops->lock(priv->hwbus_priv); + ret = __cw1200_reg_read(priv, addr, buf, buf_len, 0); + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int cw1200_reg_write(struct cw1200_common *priv, u16 addr, const void *buf, + size_t buf_len) +{ + int ret; + priv->hwbus_ops->lock(priv->hwbus_priv); + ret = __cw1200_reg_write(priv, addr, buf, buf_len, 0); + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int cw1200_data_read(struct cw1200_common *priv, void *buf, size_t buf_len) +{ + int ret, retry = 1; + int buf_id_rx = priv->buf_id_rx; + + priv->hwbus_ops->lock(priv->hwbus_priv); + + while (retry <= MAX_RETRY) { + ret = __cw1200_reg_read(priv, + ST90TDS_IN_OUT_QUEUE_REG_ID, buf, + buf_len, buf_id_rx + 1); + if (!ret) { + buf_id_rx = (buf_id_rx + 1) & 3; + priv->buf_id_rx = buf_id_rx; + break; + } else { + retry++; + mdelay(1); + pr_err("error :[%d]\n", ret); + } + } + + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int cw1200_data_write(struct cw1200_common *priv, const void *buf, + size_t buf_len) +{ + int ret, retry = 1; + int buf_id_tx = priv->buf_id_tx; + + priv->hwbus_ops->lock(priv->hwbus_priv); + + while (retry <= MAX_RETRY) { + ret = __cw1200_reg_write(priv, + ST90TDS_IN_OUT_QUEUE_REG_ID, buf, + buf_len, buf_id_tx); + if (!ret) { + buf_id_tx = (buf_id_tx + 1) & 31; + priv->buf_id_tx = buf_id_tx; + break; + } else { + retry++; + mdelay(1); + pr_err("error :[%d]\n", ret); + } + } + + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int cw1200_indirect_read(struct cw1200_common *priv, u32 addr, void *buf, + size_t buf_len, u32 prefetch, u16 port_addr) +{ + u32 val32 = 0; + int i, ret; + + if ((buf_len / 2) >= 0x1000) { + pr_err("Can't read more than 0xfff words.\n"); + return -EINVAL; + goto out; + } + + priv->hwbus_ops->lock(priv->hwbus_priv); + /* Write address */ + ret = __cw1200_reg_write_32(priv, ST90TDS_SRAM_BASE_ADDR_REG_ID, addr); + if (ret < 0) { + pr_err("Can't write address register.\n"); + goto out; + } + + /* Read CONFIG Register Value - We will read 32 bits */ + ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); + if (ret < 0) { + pr_err("Can't read config register.\n"); + goto out; + } + + /* Set PREFETCH bit */ + ret = __cw1200_reg_write_32(priv, ST90TDS_CONFIG_REG_ID, + val32 | prefetch); + if (ret < 0) { + pr_err("Can't write prefetch bit.\n"); + goto out; + } + + /* Check for PRE-FETCH bit to be cleared */ + for (i = 0; i < 20; i++) { + ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); + if (ret < 0) { + pr_err("Can't check prefetch bit.\n"); + goto out; + } + if (!(val32 & prefetch)) + break; + + mdelay(i); + } + + if (val32 & prefetch) { + pr_err("Prefetch bit is not cleared.\n"); + goto out; + } + + /* Read data port */ + ret = __cw1200_reg_read(priv, port_addr, buf, buf_len, 0); + if (ret < 0) { + pr_err("Can't read data port.\n"); + goto out; + } + +out: + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int cw1200_apb_write(struct cw1200_common *priv, u32 addr, const void *buf, + size_t buf_len) +{ + int ret; + + if ((buf_len / 2) >= 0x1000) { + pr_err("Can't write more than 0xfff words.\n"); + return -EINVAL; + } + + priv->hwbus_ops->lock(priv->hwbus_priv); + + /* Write address */ + ret = __cw1200_reg_write_32(priv, ST90TDS_SRAM_BASE_ADDR_REG_ID, addr); + if (ret < 0) { + pr_err("Can't write address register.\n"); + goto out; + } + + /* Write data port */ + ret = __cw1200_reg_write(priv, ST90TDS_SRAM_DPORT_REG_ID, + buf, buf_len, 0); + if (ret < 0) { + pr_err("Can't write data port.\n"); + goto out; + } + +out: + priv->hwbus_ops->unlock(priv->hwbus_priv); + return ret; +} + +int __cw1200_irq_enable(struct cw1200_common *priv, int enable) +{ + u32 val32; + u16 val16; + int ret; + + if (HIF_8601_SILICON == priv->hw_type) { + ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); + if (ret < 0) { + pr_err("Can't read config register.\n"); + return ret; + } + + if (enable) + val32 |= ST90TDS_CONF_IRQ_RDY_ENABLE; + else + val32 &= ~ST90TDS_CONF_IRQ_RDY_ENABLE; + + ret = __cw1200_reg_write_32(priv, ST90TDS_CONFIG_REG_ID, val32); + if (ret < 0) { + pr_err("Can't write config register.\n"); + return ret; + } + } else { + ret = __cw1200_reg_read_16(priv, ST90TDS_CONFIG_REG_ID, &val16); + if (ret < 0) { + pr_err("Can't read control register.\n"); + return ret; + } + + if (enable) + val16 |= ST90TDS_CONT_IRQ_RDY_ENABLE; + else + val16 &= ~ST90TDS_CONT_IRQ_RDY_ENABLE; + + ret = __cw1200_reg_write_16(priv, ST90TDS_CONFIG_REG_ID, val16); + if (ret < 0) { + pr_err("Can't write control register.\n"); + return ret; + } + } + return 0; +} diff --git a/drivers/net/wireless/cw1200/hwio.h b/drivers/net/wireless/cw1200/hwio.h new file mode 100644 index 000000000000..7ee73fe32ccf --- /dev/null +++ b/drivers/net/wireless/cw1200/hwio.h @@ -0,0 +1,247 @@ +/* + * Low-level API for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * ST-Ericsson UMAC CW1200 driver which is + * Copyright (c) 2010, ST-Ericsson + * Author: Ajitpal Singh <ajitpal.singh@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_HWIO_H_INCLUDED +#define CW1200_HWIO_H_INCLUDED + +/* extern */ struct cw1200_common; + +#define CW1200_CUT_11_ID_STR (0x302E3830) +#define CW1200_CUT_22_ID_STR1 (0x302e3132) +#define CW1200_CUT_22_ID_STR2 (0x32302e30) +#define CW1200_CUT_22_ID_STR3 (0x3335) +#define CW1200_CUT_ID_ADDR (0xFFF17F90) +#define CW1200_CUT2_ID_ADDR (0xFFF1FF90) + +/* Download control area */ +/* boot loader start address in SRAM */ +#define DOWNLOAD_BOOT_LOADER_OFFSET (0x00000000) +/* 32K, 0x4000 to 0xDFFF */ +#define DOWNLOAD_FIFO_OFFSET (0x00004000) +/* 32K */ +#define DOWNLOAD_FIFO_SIZE (0x00008000) +/* 128 bytes, 0xFF80 to 0xFFFF */ +#define DOWNLOAD_CTRL_OFFSET (0x0000FF80) +#define DOWNLOAD_CTRL_DATA_DWORDS (32-6) + +struct download_cntl_t { + /* size of whole firmware file (including Cheksum), host init */ + u32 image_size; + /* downloading flags */ + u32 flags; + /* No. of bytes put into the download, init & updated by host */ + u32 put; + /* last traced program counter, last ARM reg_pc */ + u32 trace_pc; + /* No. of bytes read from the download, host init, device updates */ + u32 get; + /* r0, boot losader status, host init to pending, device updates */ + u32 status; + /* Extra debug info, r1 to r14 if status=r0=DOWNLOAD_EXCEPTION */ + u32 debug_data[DOWNLOAD_CTRL_DATA_DWORDS]; +}; + +#define DOWNLOAD_IMAGE_SIZE_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, image_size)) +#define DOWNLOAD_FLAGS_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, flags)) +#define DOWNLOAD_PUT_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, put)) +#define DOWNLOAD_TRACE_PC_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, trace_pc)) +#define DOWNLOAD_GET_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, get)) +#define DOWNLOAD_STATUS_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, status)) +#define DOWNLOAD_DEBUG_DATA_REG \ + (DOWNLOAD_CTRL_OFFSET + offsetof(struct download_cntl_t, debug_data)) +#define DOWNLOAD_DEBUG_DATA_LEN (108) + +#define DOWNLOAD_BLOCK_SIZE (1024) + +/* For boot loader detection */ +#define DOWNLOAD_ARE_YOU_HERE (0x87654321) +#define DOWNLOAD_I_AM_HERE (0x12345678) + +/* Download error code */ +#define DOWNLOAD_PENDING (0xFFFFFFFF) +#define DOWNLOAD_SUCCESS (0) +#define DOWNLOAD_EXCEPTION (1) +#define DOWNLOAD_ERR_MEM_1 (2) +#define DOWNLOAD_ERR_MEM_2 (3) +#define DOWNLOAD_ERR_SOFTWARE (4) +#define DOWNLOAD_ERR_FILE_SIZE (5) +#define DOWNLOAD_ERR_CHECKSUM (6) +#define DOWNLOAD_ERR_OVERFLOW (7) +#define DOWNLOAD_ERR_IMAGE (8) +#define DOWNLOAD_ERR_HOST (9) +#define DOWNLOAD_ERR_ABORT (10) + + +#define SYS_BASE_ADDR_SILICON (0) +#define PAC_BASE_ADDRESS_SILICON (SYS_BASE_ADDR_SILICON + 0x09000000) +#define PAC_SHARED_MEMORY_SILICON (PAC_BASE_ADDRESS_SILICON) + +#define CW1200_APB(addr) (PAC_SHARED_MEMORY_SILICON + (addr)) + +/* *************************************************************** +*Device register definitions +*************************************************************** */ +/* WBF - SPI Register Addresses */ +#define ST90TDS_ADDR_ID_BASE (0x0000) +/* 16/32 bits */ +#define ST90TDS_CONFIG_REG_ID (0x0000) +/* 16/32 bits */ +#define ST90TDS_CONTROL_REG_ID (0x0001) +/* 16 bits, Q mode W/R */ +#define ST90TDS_IN_OUT_QUEUE_REG_ID (0x0002) +/* 32 bits, AHB bus R/W */ +#define ST90TDS_AHB_DPORT_REG_ID (0x0003) +/* 16/32 bits */ +#define ST90TDS_SRAM_BASE_ADDR_REG_ID (0x0004) +/* 32 bits, APB bus R/W */ +#define ST90TDS_SRAM_DPORT_REG_ID (0x0005) +/* 32 bits, t_settle/general */ +#define ST90TDS_TSET_GEN_R_W_REG_ID (0x0006) +/* 16 bits, Q mode read, no length */ +#define ST90TDS_FRAME_OUT_REG_ID (0x0007) +#define ST90TDS_ADDR_ID_MAX (ST90TDS_FRAME_OUT_REG_ID) + +/* WBF - Control register bit set */ +/* next o/p length, bit 11 to 0 */ +#define ST90TDS_CONT_NEXT_LEN_MASK (0x0FFF) +#define ST90TDS_CONT_WUP_BIT (BIT(12)) +#define ST90TDS_CONT_RDY_BIT (BIT(13)) +#define ST90TDS_CONT_IRQ_ENABLE (BIT(14)) +#define ST90TDS_CONT_RDY_ENABLE (BIT(15)) +#define ST90TDS_CONT_IRQ_RDY_ENABLE (BIT(14)|BIT(15)) + +/* SPI Config register bit set */ +#define ST90TDS_CONFIG_FRAME_BIT (BIT(2)) +#define ST90TDS_CONFIG_WORD_MODE_BITS (BIT(3)|BIT(4)) +#define ST90TDS_CONFIG_WORD_MODE_1 (BIT(3)) +#define ST90TDS_CONFIG_WORD_MODE_2 (BIT(4)) +#define ST90TDS_CONFIG_ERROR_0_BIT (BIT(5)) +#define ST90TDS_CONFIG_ERROR_1_BIT (BIT(6)) +#define ST90TDS_CONFIG_ERROR_2_BIT (BIT(7)) +/* TBD: Sure??? */ +#define ST90TDS_CONFIG_CSN_FRAME_BIT (BIT(7)) +#define ST90TDS_CONFIG_ERROR_3_BIT (BIT(8)) +#define ST90TDS_CONFIG_ERROR_4_BIT (BIT(9)) +/* QueueM */ +#define ST90TDS_CONFIG_ACCESS_MODE_BIT (BIT(10)) +/* AHB bus */ +#define ST90TDS_CONFIG_AHB_PRFETCH_BIT (BIT(11)) +#define ST90TDS_CONFIG_CPU_CLK_DIS_BIT (BIT(12)) +/* APB bus */ +#define ST90TDS_CONFIG_PRFETCH_BIT (BIT(13)) +/* cpu reset */ +#define ST90TDS_CONFIG_CPU_RESET_BIT (BIT(14)) +#define ST90TDS_CONFIG_CLEAR_INT_BIT (BIT(15)) + +/* For CW1200 the IRQ Enable and Ready Bits are in CONFIG register */ +#define ST90TDS_CONF_IRQ_ENABLE (BIT(16)) +#define ST90TDS_CONF_RDY_ENABLE (BIT(17)) +#define ST90TDS_CONF_IRQ_RDY_ENABLE (BIT(16)|BIT(17)) + +int cw1200_data_read(struct cw1200_common *priv, + void *buf, size_t buf_len); +int cw1200_data_write(struct cw1200_common *priv, + const void *buf, size_t buf_len); + +int cw1200_reg_read(struct cw1200_common *priv, u16 addr, + void *buf, size_t buf_len); +int cw1200_reg_write(struct cw1200_common *priv, u16 addr, + const void *buf, size_t buf_len); + +static inline int cw1200_reg_read_16(struct cw1200_common *priv, + u16 addr, u16 *val) +{ + u32 tmp; + int i; + i = cw1200_reg_read(priv, addr, &tmp, sizeof(tmp)); + tmp = le32_to_cpu(tmp); + *val = tmp & 0xffff; + return i; +} + +static inline int cw1200_reg_write_16(struct cw1200_common *priv, + u16 addr, u16 val) +{ + u32 tmp = val; + tmp = cpu_to_le32(tmp); + return cw1200_reg_write(priv, addr, &tmp, sizeof(tmp)); +} + +static inline int cw1200_reg_read_32(struct cw1200_common *priv, + u16 addr, u32 *val) +{ + int i = cw1200_reg_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +static inline int cw1200_reg_write_32(struct cw1200_common *priv, + u16 addr, u32 val) +{ + val = cpu_to_le32(val); + return cw1200_reg_write(priv, addr, &val, sizeof(val)); +} + +int cw1200_indirect_read(struct cw1200_common *priv, u32 addr, void *buf, + size_t buf_len, u32 prefetch, u16 port_addr); +int cw1200_apb_write(struct cw1200_common *priv, u32 addr, const void *buf, + size_t buf_len); + +static inline int cw1200_apb_read(struct cw1200_common *priv, u32 addr, + void *buf, size_t buf_len) +{ + return cw1200_indirect_read(priv, addr, buf, buf_len, + ST90TDS_CONFIG_PRFETCH_BIT, + ST90TDS_SRAM_DPORT_REG_ID); +} + +static inline int cw1200_ahb_read(struct cw1200_common *priv, u32 addr, + void *buf, size_t buf_len) +{ + return cw1200_indirect_read(priv, addr, buf, buf_len, + ST90TDS_CONFIG_AHB_PRFETCH_BIT, + ST90TDS_AHB_DPORT_REG_ID); +} + +static inline int cw1200_apb_read_32(struct cw1200_common *priv, + u32 addr, u32 *val) +{ + int i = cw1200_apb_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +static inline int cw1200_apb_write_32(struct cw1200_common *priv, + u32 addr, u32 val) +{ + val = cpu_to_le32(val); + return cw1200_apb_write(priv, addr, &val, sizeof(val)); +} +static inline int cw1200_ahb_read_32(struct cw1200_common *priv, + u32 addr, u32 *val) +{ + int i = cw1200_ahb_read(priv, addr, val, sizeof(*val)); + *val = le32_to_cpu(*val); + return i; +} + +#endif /* CW1200_HWIO_H_INCLUDED */ diff --git a/drivers/net/wireless/cw1200/itp.c b/drivers/net/wireless/cw1200/itp.c new file mode 100644 index 000000000000..c0730bb49b75 --- /dev/null +++ b/drivers/net/wireless/cw1200/itp.c @@ -0,0 +1,730 @@ +/* + * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers + * ITP code + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/debugfs.h> +#include <linux/poll.h> +#include <linux/time.h> +#include <linux/random.h> +#include <linux/kallsyms.h> +#include <net/mac80211.h> +#include "cw1200.h" +#include "debug.h" +#include "itp.h" +#include "sta.h" + +static int __cw1200_itp_open(struct cw1200_common *priv); +static int __cw1200_itp_close(struct cw1200_common *priv); +static void cw1200_itp_rx_start(struct cw1200_common *priv); +static void cw1200_itp_rx_stop(struct cw1200_common *priv); +static void cw1200_itp_rx_stats(struct cw1200_common *priv); +static void cw1200_itp_rx_reset(struct cw1200_common *priv); +static void cw1200_itp_tx_stop(struct cw1200_common *priv); +static void cw1200_itp_handle(struct cw1200_common *priv, + struct sk_buff *skb); +static void cw1200_itp_err(struct cw1200_common *priv, + int err, + int arg); +static void __cw1200_itp_tx_stop(struct cw1200_common *priv); + +static ssize_t cw1200_itp_read(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + struct cw1200_common *priv = file->private_data; + struct cw1200_itp *itp = &priv->debug->itp; + struct sk_buff *skb; + int ret; + + if (skb_queue_empty(&itp->log_queue)) + return 0; + + skb = skb_dequeue(&itp->log_queue); + ret = copy_to_user(user_buf, skb->data, skb->len); + *ppos += skb->len; + skb->data[skb->len] = 0; + pr_debug("[ITP] >>> %s", skb->data); + consume_skb(skb); + + return skb->len - ret; +} + +static ssize_t cw1200_itp_write(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + struct cw1200_common *priv = file->private_data; + struct sk_buff *skb; + + if (!count || count > 1024) + return -EINVAL; + skb = dev_alloc_skb(count + 1); + if (!skb) + return -ENOMEM; + skb_trim(skb, 0); + skb_put(skb, count + 1); + if (copy_from_user(skb->data, user_buf, count)) { + kfree_skb(skb); + return -EFAULT; + } + skb->data[count] = 0; + + cw1200_itp_handle(priv, skb); + consume_skb(skb); + return count; +} + +static unsigned int cw1200_itp_poll(struct file *file, poll_table *wait) +{ + struct cw1200_common *priv = file->private_data; + struct cw1200_itp *itp = &priv->debug->itp; + unsigned int mask = 0; + + poll_wait(file, &itp->read_wait, wait); + + if (!skb_queue_empty(&itp->log_queue)) + mask |= POLLIN | POLLRDNORM; + + mask |= POLLOUT | POLLWRNORM; + + return mask; +} + +static int cw1200_itp_open(struct inode *inode, struct file *file) +{ + struct cw1200_common *priv = inode->i_private; + struct cw1200_itp *itp = &priv->debug->itp; + int ret = 0; + + file->private_data = priv; + if (atomic_inc_return(&itp->open_count) == 1) { + ret = __cw1200_itp_open(priv); + if (ret && !atomic_dec_return(&itp->open_count)) + __cw1200_itp_close(priv); + } else { + atomic_dec(&itp->open_count); + ret = -EBUSY; + } + + return ret; +} + +static int cw1200_itp_close(struct inode *inode, struct file *file) +{ + struct cw1200_common *priv = file->private_data; + struct cw1200_itp *itp = &priv->debug->itp; + if (!atomic_dec_return(&itp->open_count)) { + __cw1200_itp_close(priv); + wake_up(&itp->close_wait); + } + return 0; +} + +static const struct file_operations fops_itp = { + .open = cw1200_itp_open, + .read = cw1200_itp_read, + .write = cw1200_itp_write, + .poll = cw1200_itp_poll, + .release = cw1200_itp_close, + .llseek = default_llseek, + .owner = THIS_MODULE, +}; + +static void cw1200_itp_fill_pattern(u8 *data, int size, + enum cw1200_itp_data_modes mode) +{ + if (size <= 0) + return; + + switch (mode) { + default: + case ITP_DATA_ZEROS: + memset(data, 0x0, size); + break; + case ITP_DATA_ONES: + memset(data, 0xff, size); + break; + case ITP_DATA_ZERONES: + memset(data, 0x55, size); + break; + case ITP_DATA_RANDOM: + get_random_bytes(data, size); + break; + } + return; +} + +static void cw1200_itp_tx_work(struct work_struct *work) +{ + struct cw1200_itp *itp = container_of(work, struct cw1200_itp, + tx_work.work); + struct cw1200_common *priv = itp->priv; + atomic_set(&priv->bh_tx, 1); + wake_up(&priv->bh_wq); +} + +static void cw1200_itp_tx_finish(struct work_struct *work) +{ + struct cw1200_itp *itp = container_of(work, struct cw1200_itp, + tx_finish.work); + __cw1200_itp_tx_stop(itp->priv); +} + +int cw1200_itp_init(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + + itp->priv = priv; + atomic_set(&itp->open_count, 0); + atomic_set(&itp->stop_tx, 0); + atomic_set(&itp->awaiting_confirm, 0); + skb_queue_head_init(&itp->log_queue); + spin_lock_init(&itp->tx_lock); + init_waitqueue_head(&itp->read_wait); + init_waitqueue_head(&itp->write_wait); + init_waitqueue_head(&itp->close_wait); + INIT_DELAYED_WORK(&itp->tx_work, cw1200_itp_tx_work); + INIT_DELAYED_WORK(&itp->tx_finish, cw1200_itp_tx_finish); + itp->data = NULL; + itp->hdr_len = WSM_TX_EXTRA_HEADROOM + + sizeof(struct ieee80211_hdr_3addr); + + if (!debugfs_create_file("itp", S_IRUSR | S_IWUSR, + priv->debug->debugfs_phy, priv, &fops_itp)) + return -ENOMEM; + + return 0; +} + +void cw1200_itp_release(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + + wait_event_interruptible(itp->close_wait, + !atomic_read(&itp->open_count)); + + WARN_ON(atomic_read(&itp->open_count)); + + skb_queue_purge(&itp->log_queue); + cw1200_itp_tx_stop(priv); +} + +static int __cw1200_itp_open(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + + if (!priv->vif) + return -EINVAL; + if (priv->join_status) + return -EINVAL; + itp->saved_channel = priv->channel; + if (!priv->channel) + priv->channel = &priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; + wsm_set_bssid_filtering(priv, false); + cw1200_itp_rx_reset(priv); + return 0; +} + +static int __cw1200_itp_close(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + if (atomic_read(&itp->test_mode) == TEST_MODE_RX_TEST) + cw1200_itp_rx_stop(priv); + cw1200_itp_tx_stop(priv); + cw1200_disable_listening(priv); + cw1200_update_filtering(priv); + priv->channel = itp->saved_channel; + return 0; +} + +bool cw1200_is_itp(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + return atomic_read(&itp->open_count) != 0; +} + +static void cw1200_itp_rx_reset(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + itp->rx_cnt = 0; + itp->rx_rssi = 0; + itp->rx_rssi_max = -1000; + itp->rx_rssi_min = 1000; +} + +static void cw1200_itp_rx_start(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + + pr_debug("[ITP] RX start, band = %d, ch = %d\n", + itp->band, itp->ch); + atomic_set(&itp->test_mode, TEST_MODE_RX_TEST); + cw1200_update_listening(priv, false); + priv->channel = &priv->hw-> + wiphy->bands[itp->band]->channels[itp->ch]; + cw1200_update_listening(priv, true); + wsm_set_bssid_filtering(priv, false); +} + +static void cw1200_itp_rx_stop(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + pr_debug("[ITP] RX stop\n"); + atomic_set(&itp->test_mode, TEST_MODE_NO_TEST); + cw1200_itp_rx_reset(priv); +} + +static void cw1200_itp_rx_stats(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + struct sk_buff *skb; + char buf[128]; + int len, ret; + struct wsm_mib_counters_table counters; + + ret = wsm_get_counters_table(priv, &counters); + + if (ret) + cw1200_itp_err(priv, -EBUSY, 20); + + if (!itp->rx_cnt) + len = snprintf(buf, sizeof(buf), "1,0,0,0,0,%d\n", + counters.rx_packet_errors); + else + len = snprintf(buf, sizeof(buf), "1,%d,%ld,%d,%d,%d\n", + itp->rx_cnt, + itp->rx_cnt ? itp->rx_rssi / itp->rx_cnt : 0, + itp->rx_rssi_min, itp->rx_rssi_max, + counters.rx_packet_errors); + + if (len <= 0) { + cw1200_itp_err(priv, -EBUSY, 21); + return; + } + + skb = dev_alloc_skb(len); + if (!skb) { + cw1200_itp_err(priv, -ENOMEM, 22); + return; + } + + itp->rx_cnt = 0; + itp->rx_rssi = 0; + itp->rx_rssi_max = -1000; + itp->rx_rssi_min = 1000; + + skb_trim(skb, 0); + skb_put(skb, len); + + memcpy(skb->data, buf, len); + skb_queue_tail(&itp->log_queue, skb); + wake_up(&itp->read_wait); +} + +static void cw1200_itp_tx_start(struct cw1200_common *priv) +{ + struct wsm_tx *tx; + struct ieee80211_hdr_3addr *hdr; + struct cw1200_itp *itp = &priv->debug->itp; + struct wsm_mib_association_mode assoc_mode = { + .flags = WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE, + .preamble = itp->preamble, + }; + int len; + u8 da_addr[6] = ITP_DEFAULT_DA_ADDR; + + /* Rates index 4 and 5 are not supported */ + if (itp->rate > 3) + itp->rate += 2; + + pr_debug("[ITP] TX start: band = %d, ch = %d, rate = %d, preamble = %d, number = %d, data_mode = %d, interval = %d, power = %d, data_len = %d\n", + itp->band, itp->ch, itp->rate, itp->preamble, + itp->number, itp->data_mode, itp->interval_us, + itp->power, itp->data_len); + + len = itp->hdr_len + itp->data_len; + + itp->data = kmalloc(len, GFP_KERNEL); + tx = (struct wsm_tx *)itp->data; + tx->hdr.len = itp->data_len + itp->hdr_len; + tx->hdr.id = __cpu_to_le16(0x0004 | 1 << 6); + tx->max_tx_rate = itp->rate; + tx->queue_id = 3; + tx->more = 0; + tx->flags = 0xc; + tx->packet_id = 0x55ff55; + tx->reserved = 0; + tx->expire_time = 1; + + if (itp->preamble == ITP_PREAMBLE_GREENFIELD) + tx->ht_tx_parameters = WSM_HT_TX_GREENFIELD; + else if (itp->preamble == ITP_PREAMBLE_MIXED) + tx->ht_tx_parameters = WSM_HT_TX_MIXED; + + hdr = (struct ieee80211_hdr_3addr *)&itp->data[sizeof(struct wsm_tx)]; + memset(hdr, 0, sizeof(*hdr)); + hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS); + memcpy(hdr->addr1, da_addr, ETH_ALEN); + memcpy(hdr->addr2, priv->vif->addr, ETH_ALEN); + memcpy(hdr->addr3, da_addr, ETH_ALEN); + + cw1200_itp_fill_pattern(&itp->data[itp->hdr_len], + itp->data_len, itp->data_mode); + + cw1200_update_listening(priv, false); + priv->channel = &priv->hw->wiphy->bands[itp->band]->channels[itp->ch]; + WARN_ON(wsm_set_output_power(priv, itp->power)); + if (itp->preamble == ITP_PREAMBLE_SHORT || + itp->preamble == ITP_PREAMBLE_LONG) + WARN_ON(wsm_set_association_mode(priv, + &assoc_mode)); + wsm_set_bssid_filtering(priv, false); + cw1200_update_listening(priv, true); + + spin_lock_bh(&itp->tx_lock); + atomic_set(&itp->test_mode, TEST_MODE_TX_TEST); + atomic_set(&itp->awaiting_confirm, 0); + atomic_set(&itp->stop_tx, 0); + atomic_set(&priv->bh_tx, 1); + ktime_get_ts(&itp->last_sent); + wake_up(&priv->bh_wq); + spin_unlock_bh(&itp->tx_lock); +} + +void __cw1200_itp_tx_stop(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + spin_lock_bh(&itp->tx_lock); + kfree(itp->data); + itp->data = NULL; + atomic_set(&itp->test_mode, TEST_MODE_NO_TEST); + spin_unlock_bh(&itp->tx_lock); +} + +static void cw1200_itp_tx_stop(struct cw1200_common *priv) +{ + struct cw1200_itp *itp = &priv->debug->itp; + pr_debug("[ITP] TX stop\n"); + atomic_set(&itp->stop_tx, 1); + flush_workqueue(priv->workqueue); + + /* time for FW to confirm all tx requests */ + msleep(500); + + __cw1200_itp_tx_stop(priv); +} + +static int cw1200_print_fw_version(struct cw1200_common *priv, + u8 *buf, size_t len) +{ + return snprintf(buf, len, "%s %d.%d", + cw1200_fw_types[priv->wsm_caps.fw_type], + priv->wsm_caps.fw_ver, + priv->wsm_caps.fw_build); +} + +static void cw1200_itp_get_version(struct cw1200_common *priv, + enum cw1200_itp_version_type type) +{ + struct cw1200_itp *itp = &priv->debug->itp; + struct sk_buff *skb; + char buf[ITP_BUF_SIZE]; + size_t size = 0; + int len; + pr_debug("[ITP] print %s version\n", + type == ITP_CHIP_ID ? "chip" : "firmware"); + + len = snprintf(buf, ITP_BUF_SIZE, "2,"); + if (len <= 0) { + cw1200_itp_err(priv, -EINVAL, 40); + return; + } + size += len; + + switch (type) { + case ITP_CHIP_ID: + len = cw1200_print_fw_version(priv, buf+size, + ITP_BUF_SIZE - size); + + if (len <= 0) { + cw1200_itp_err(priv, -EINVAL, 41); + return; + } + size += len; + break; + case ITP_FW_VER: + len = snprintf(buf+size, ITP_BUF_SIZE - size, + "%d.%d", priv->wsm_caps.hw_id, + priv->wsm_caps.hw_subid); + if (len <= 0) { + cw1200_itp_err(priv, -EINVAL, 42); + return; + } + size += len; + break; + default: + cw1200_itp_err(priv, -EINVAL, 43); + break; + } + + len = snprintf(buf+size, ITP_BUF_SIZE-size, "\n"); + if (len <= 0) { + cw1200_itp_err(priv, -EINVAL, 44); + return; + } + size += len; + + skb = dev_alloc_skb(size); + if (!skb) { + cw1200_itp_err(priv, -ENOMEM, 45); + return; + } + + skb_trim(skb, 0); + skb_put(skb, size); + + memcpy(skb->data, buf, size); + skb_queue_tail(&itp->log_queue, skb); + wake_up(&itp->read_wait); +} + +int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data, + size_t *tx_len, int *burst) +{ + struct cw1200_itp *itp; + struct timespec now; + int time_left_us; + + if (!priv->debug) + return 0; + + itp = &priv->debug->itp; + + if (!itp) + return 0; + + spin_lock_bh(&itp->tx_lock); + if (atomic_read(&itp->test_mode) != TEST_MODE_TX_TEST) + goto out; + + if (atomic_read(&itp->stop_tx)) + goto out; + + if (itp->number == 0) { + atomic_set(&itp->stop_tx, 1); + queue_delayed_work(priv->workqueue, &itp->tx_finish, HZ/10); + goto out; + } + + if (!itp->data) + goto out; + + if (priv->hw_bufs_used >= 2) { + if (!atomic_read(&priv->bh_rx)) + atomic_set(&priv->bh_rx, 1); + atomic_set(&priv->bh_tx, 1); + goto out; + } + + ktime_get_ts(&now); + time_left_us = (itp->last_sent.tv_sec - now.tv_sec)*1000000 + + (itp->last_sent.tv_nsec - now.tv_nsec)/1000 + + itp->interval_us; + + if (time_left_us > ITP_TIME_THRES_US) { + queue_delayed_work(priv->workqueue, &itp->tx_work, + ITP_US_TO_MS(time_left_us)*HZ/1000); + goto out; + } + + if (time_left_us > 50) + udelay(time_left_us); + + if (itp->number > 0) + itp->number--; + + *data = itp->data; + *tx_len = itp->data_len + itp->hdr_len; + + if (itp->data_mode == ITP_DATA_RANDOM) + cw1200_itp_fill_pattern(&itp->data[itp->hdr_len], + itp->data_len, itp->data_mode); + *burst = 2; + atomic_set(&priv->bh_tx, 1); + ktime_get_ts(&itp->last_sent); + atomic_add(1, &itp->awaiting_confirm); + spin_unlock_bh(&itp->tx_lock); + return 1; + +out: + spin_unlock_bh(&itp->tx_lock); + return 0; +} + +bool cw1200_itp_rxed(struct cw1200_common *priv, struct sk_buff *skb) +{ + struct cw1200_itp *itp = &priv->debug->itp; + struct ieee80211_rx_status *rx = IEEE80211_SKB_RXCB(skb); + int signal; + + if (atomic_read(&itp->test_mode) != TEST_MODE_RX_TEST) + return cw1200_is_itp(priv); + if (rx->freq != priv->channel->center_freq) + return true; + + signal = rx->signal; + itp->rx_cnt++; + itp->rx_rssi += signal; + if (itp->rx_rssi_min > rx->signal) + itp->rx_rssi_min = rx->signal; + if (itp->rx_rssi_max < rx->signal) + itp->rx_rssi_max = rx->signal; + + return true; +} + +void cw1200_itp_wake_up_tx(struct cw1200_common *priv) +{ + wake_up(&priv->debug->itp.write_wait); +} + +bool cw1200_itp_tx_running(struct cw1200_common *priv) +{ + if (atomic_read(&priv->debug->itp.awaiting_confirm) || + atomic_read(&priv->debug->itp.test_mode) == + TEST_MODE_TX_TEST) { + atomic_sub(1, &priv->debug->itp.awaiting_confirm); + return true; + } + return false; +} + +static void cw1200_itp_handle(struct cw1200_common *priv, + struct sk_buff *skb) +{ + struct cw1200_itp *itp = &priv->debug->itp; + const struct wiphy *wiphy = priv->hw->wiphy; + int cmd; + int ret; + + pr_debug("[ITP] <<< %s", skb->data); + if (sscanf(skb->data, "%d", &cmd) != 1) { + cw1200_itp_err(priv, -EINVAL, 1); + return; + } + + switch (cmd) { + case 1: /* RX test */ + if (atomic_read(&itp->test_mode)) { + cw1200_itp_err(priv, -EBUSY, 0); + return; + } + ret = sscanf(skb->data, "%d,%d,%d", + &cmd, &itp->band, &itp->ch); + if (ret != 3) { + cw1200_itp_err(priv, -EINVAL, ret + 1); + return; + } + if (itp->band >= 2) { + cw1200_itp_err(priv, -EINVAL, 2); + } else if (!wiphy->bands[itp->band]) { + cw1200_itp_err(priv, -EINVAL, 2); + } else if (itp->ch >= wiphy->bands[itp->band]->n_channels) { + cw1200_itp_err(priv, -EINVAL, 3); + } else { + cw1200_itp_rx_stats(priv); + cw1200_itp_rx_start(priv); + } + break; + case 2: /* RX stat */ + cw1200_itp_rx_stats(priv); + break; + case 3: /* RX/TX stop */ + if (atomic_read(&itp->test_mode) == TEST_MODE_RX_TEST) { + cw1200_itp_rx_stats(priv); + cw1200_itp_rx_stop(priv); + } else if (atomic_read(&itp->test_mode) == TEST_MODE_TX_TEST) { + cw1200_itp_tx_stop(priv); + } else { + cw1200_itp_err(priv, -EBUSY, 0); + } + break; + case 4: /* TX start */ + if (atomic_read(&itp->test_mode) != TEST_MODE_NO_TEST) { + cw1200_itp_err(priv, -EBUSY, 0); + return; + } + ret = sscanf(skb->data, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d", + &cmd, &itp->band, &itp->ch, &itp->rate, + &itp->preamble, &itp->number, &itp->data_mode, + &itp->interval_us, &itp->power, &itp->data_len); + if (ret != 10) { + cw1200_itp_err(priv, -EINVAL, ret + 1); + return; + } + if (itp->band >= 2) { + cw1200_itp_err(priv, -EINVAL, 2); + } else if (!wiphy->bands[itp->band]) { + cw1200_itp_err(priv, -EINVAL, 2); + } else if (itp->ch >= wiphy->bands[itp->band]->n_channels) { + cw1200_itp_err(priv, -EINVAL, 3); + } else if (itp->rate >= 20) { + cw1200_itp_err(priv, -EINVAL, 4); + } else if (itp->preamble >= ITP_PREAMBLE_MAX) { + cw1200_itp_err(priv, -EINVAL, 5); + } else if (itp->data_mode >= ITP_DATA_MAX_MODE) { + cw1200_itp_err(priv, -EINVAL, 7); + } else if (itp->data_len < ITP_MIN_DATA_SIZE || + itp->data_len > (priv->wsm_caps.input_buffer_size - itp->hdr_len)) { + cw1200_itp_err(priv, -EINVAL, 8); + } else { + cw1200_itp_tx_start(priv); + } + break; + case 5: + cw1200_itp_get_version(priv, ITP_CHIP_ID); + break; + case 6: + cw1200_itp_get_version(priv, ITP_FW_VER); + break; + } +} + +static void cw1200_itp_err(struct cw1200_common *priv, + int err, int arg) +{ + struct cw1200_itp *itp = &priv->debug->itp; + struct sk_buff *skb; + static char buf[255]; + int len; + + len = snprintf(buf, sizeof(buf), "%d,%d\n", + err, arg); + if (len <= 0) + return; + + skb = dev_alloc_skb(len); + if (!skb) + return; + + skb_trim(skb, 0); + skb_put(skb, len); + + memcpy(skb->data, buf, len); + skb_queue_tail(&itp->log_queue, skb); + wake_up(&itp->read_wait); + + len = sprint_symbol(buf, + (unsigned long)__builtin_return_address(0)); + if (len <= 0) + return; + pr_debug("[ITP] error %d,%d from %s\n", + err, arg, buf); +} diff --git a/drivers/net/wireless/cw1200/itp.h b/drivers/net/wireless/cw1200/itp.h new file mode 100644 index 000000000000..1e9dfb7fcadc --- /dev/null +++ b/drivers/net/wireless/cw1200/itp.h @@ -0,0 +1,144 @@ +/* + * ITP code for ST-Ericsson CW1200 mac80211 driver + * + * Copyright (c) 2011, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_ITP_H_INCLUDED +#define CW1200_ITP_H_INCLUDED + +struct cw200_common; +struct wsm_tx_confirm; +struct dentry; + +#ifdef CONFIG_CW1200_ITP + +/*extern*/ struct ieee80211_channel; + +#define TEST_MODE_NO_TEST (0) +#define TEST_MODE_RX_TEST (1) +#define TEST_MODE_TX_TEST (2) +#define ITP_DEFAULT_DA_ADDR {0xff, 0xff, 0xff, 0xff, 0xff, 0xff} +#define ITP_MIN_DATA_SIZE 6 +#define ITP_MAX_DATA_SIZE 1600 +#define ITP_TIME_THRES_US 10000 +#define ITP_US_TO_MS(x) ((x)/1000) +#define ITP_MS_TO_US(x) ((x)*1000) +#define ITP_BUF_SIZE 255 + + +enum cw1200_itp_data_modes { + ITP_DATA_ZEROS, + ITP_DATA_ONES, + ITP_DATA_ZERONES, + ITP_DATA_RANDOM, + ITP_DATA_MAX_MODE, +}; + +enum cw1200_itp_version_type { + ITP_CHIP_ID, + ITP_FW_VER, +}; + +enum cw1200_itp_preamble_type { + ITP_PREAMBLE_LONG, + ITP_PREAMBLE_SHORT, + ITP_PREAMBLE_OFDM, + ITP_PREAMBLE_MIXED, + ITP_PREAMBLE_GREENFIELD, + ITP_PREAMBLE_MAX, +}; + + +struct cw1200_itp { + struct cw1200_common *priv; + atomic_t open_count; + atomic_t awaiting_confirm; + struct sk_buff_head log_queue; + wait_queue_head_t read_wait; + wait_queue_head_t write_wait; + wait_queue_head_t close_wait; + struct ieee80211_channel *saved_channel; + atomic_t stop_tx; + struct delayed_work tx_work; + struct delayed_work tx_finish; + spinlock_t tx_lock; + struct timespec last_sent; + atomic_t test_mode; + int rx_cnt; + long rx_rssi; + int rx_rssi_max; + int rx_rssi_min; + unsigned band; + unsigned ch; + unsigned rate; + unsigned preamble; + unsigned int number; + unsigned data_mode; + int interval_us; + int power; + u8 *data; + int hdr_len; + int data_len; +}; + +int cw1200_itp_init(struct cw1200_common *priv); +void cw1200_itp_release(struct cw1200_common *priv); + +bool cw1200_is_itp(struct cw1200_common *priv); +bool cw1200_itp_rxed(struct cw1200_common *priv, struct sk_buff *skb); +void cw1200_itp_wake_up_tx(struct cw1200_common *priv); +int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data, + size_t *tx_len, int *burst); +bool cw1200_itp_tx_running(struct cw1200_common *priv); + +#else /* CONFIG_CW1200_ITP */ + +static inline int cw1200_itp_init(struct cw1200_common *priv) +{ + return 0; +} + +static inline void cw1200_itp_release(struct cw1200_common *priv) +{ +} + +static inline bool cw1200_is_itp(struct cw1200_common *priv) +{ + return false; +} + +static inline bool cw1200_itp_rxed(struct cw1200_common *priv, + struct sk_buff *skb) +{ + return false; +} + + +static inline void cw1200_itp_consume_txed(struct cw1200_common *priv) +{ +} + +static inline void cw1200_itp_wake_up_tx(struct cw1200_common *priv) +{ +} + +static inline int cw1200_itp_get_tx(struct cw1200_common *priv, u8 **data, + size_t *tx_len, int *burst) +{ + return 0; +} + +static inline bool cw1200_itp_tx_running(struct cw1200_common *priv) +{ + return false; +} + +#endif /* CONFIG_CW1200_ITP */ + +#endif /* CW1200_ITP_H_INCLUDED */ diff --git a/drivers/net/wireless/cw1200/main.c b/drivers/net/wireless/cw1200/main.c new file mode 100644 index 000000000000..c934ec52d129 --- /dev/null +++ b/drivers/net/wireless/cw1200/main.c @@ -0,0 +1,633 @@ +/* + * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on: + * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> + * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> + * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> + * + * Based on: + * - the islsm (softmac prism54) driver, which is: + * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. + * - stlc45xx driver + * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/firmware.h> +#include <linux/etherdevice.h> +#include <linux/vmalloc.h> +#include <linux/random.h> +#include <linux/sched.h> +#include <net/mac80211.h> + +#include "cw1200.h" +#include "txrx.h" +#include "hwbus.h" +#include "fwio.h" +#include "hwio.h" +#include "bh.h" +#include "sta.h" +#include "scan.h" +#include "debug.h" +#include "pm.h" + +MODULE_AUTHOR("Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>"); +MODULE_DESCRIPTION("Softmac ST-Ericsson CW1200 common code"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("cw1200_core"); + +/* Accept MAC address of the form macaddr=0x00,0x80,0xE1,0x30,0x40,0x50 */ +static u8 cw1200_mac_template[ETH_ALEN] = {0x02, 0x80, 0xe1, 0x00, 0x00, 0x00}; +module_param_array_named(macaddr, cw1200_mac_template, byte, NULL, S_IRUGO); +MODULE_PARM_DESC(macaddr, "Override platform_data MAC address"); + +static char *cw1200_sdd_path; +module_param(cw1200_sdd_path, charp, 0644); +MODULE_PARM_DESC(cw1200_sdd_path, "Override platform_data SDD file"); +static int cw1200_refclk; +module_param(cw1200_refclk, int, 0644); +MODULE_PARM_DESC(cw1200_refclk, "Override platform_data reference clock"); + +int cw1200_power_mode = wsm_power_mode_quiescent; +module_param(cw1200_power_mode, int, 0644); +MODULE_PARM_DESC(cw1200_power_mode, "WSM power mode. 0 == active, 1 == doze, 2 == quiescent (default)"); + +#ifdef CONFIG_CW1200_ETF +int etf_mode; +module_param(etf_mode, int, 0644); +MODULE_PARM_DESC(etf_mode, "Enable EngineeringTestingFramework operation"); +#endif + +#define RATETAB_ENT(_rate, _rateid, _flags) \ + { \ + .bitrate = (_rate), \ + .hw_value = (_rateid), \ + .flags = (_flags), \ + } + +static struct ieee80211_rate cw1200_rates[] = { + RATETAB_ENT(10, 0, 0), + RATETAB_ENT(20, 1, 0), + RATETAB_ENT(55, 2, 0), + RATETAB_ENT(110, 3, 0), + RATETAB_ENT(60, 6, 0), + RATETAB_ENT(90, 7, 0), + RATETAB_ENT(120, 8, 0), + RATETAB_ENT(180, 9, 0), + RATETAB_ENT(240, 10, 0), + RATETAB_ENT(360, 11, 0), + RATETAB_ENT(480, 12, 0), + RATETAB_ENT(540, 13, 0), +}; + +static struct ieee80211_rate cw1200_mcs_rates[] = { + RATETAB_ENT(65, 14, IEEE80211_TX_RC_MCS), + RATETAB_ENT(130, 15, IEEE80211_TX_RC_MCS), + RATETAB_ENT(195, 16, IEEE80211_TX_RC_MCS), + RATETAB_ENT(260, 17, IEEE80211_TX_RC_MCS), + RATETAB_ENT(390, 18, IEEE80211_TX_RC_MCS), + RATETAB_ENT(520, 19, IEEE80211_TX_RC_MCS), + RATETAB_ENT(585, 20, IEEE80211_TX_RC_MCS), + RATETAB_ENT(650, 21, IEEE80211_TX_RC_MCS), +}; + +#define cw1200_a_rates (cw1200_rates + 4) +#define cw1200_a_rates_size (ARRAY_SIZE(cw1200_rates) - 4) +#define cw1200_g_rates (cw1200_rates + 0) +#define cw1200_g_rates_size (ARRAY_SIZE(cw1200_rates)) +#define cw1200_n_rates (cw1200_mcs_rates) +#define cw1200_n_rates_size (ARRAY_SIZE(cw1200_mcs_rates)) + + +#define CHAN2G(_channel, _freq, _flags) { \ + .band = IEEE80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +#define CHAN5G(_channel, _flags) { \ + .band = IEEE80211_BAND_5GHZ, \ + .center_freq = 5000 + (5 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +static struct ieee80211_channel cw1200_2ghz_chantable[] = { + CHAN2G(1, 2412, 0), + CHAN2G(2, 2417, 0), + CHAN2G(3, 2422, 0), + CHAN2G(4, 2427, 0), + CHAN2G(5, 2432, 0), + CHAN2G(6, 2437, 0), + CHAN2G(7, 2442, 0), + CHAN2G(8, 2447, 0), + CHAN2G(9, 2452, 0), + CHAN2G(10, 2457, 0), + CHAN2G(11, 2462, 0), + CHAN2G(12, 2467, 0), + CHAN2G(13, 2472, 0), + CHAN2G(14, 2484, 0), +}; + +static struct ieee80211_channel cw1200_5ghz_chantable[] = { + CHAN5G(34, 0), CHAN5G(36, 0), + CHAN5G(38, 0), CHAN5G(40, 0), + CHAN5G(42, 0), CHAN5G(44, 0), + CHAN5G(46, 0), CHAN5G(48, 0), + CHAN5G(52, 0), CHAN5G(56, 0), + CHAN5G(60, 0), CHAN5G(64, 0), + CHAN5G(100, 0), CHAN5G(104, 0), + CHAN5G(108, 0), CHAN5G(112, 0), + CHAN5G(116, 0), CHAN5G(120, 0), + CHAN5G(124, 0), CHAN5G(128, 0), + CHAN5G(132, 0), CHAN5G(136, 0), + CHAN5G(140, 0), CHAN5G(149, 0), + CHAN5G(153, 0), CHAN5G(157, 0), + CHAN5G(161, 0), CHAN5G(165, 0), + CHAN5G(184, 0), CHAN5G(188, 0), + CHAN5G(192, 0), CHAN5G(196, 0), + CHAN5G(200, 0), CHAN5G(204, 0), + CHAN5G(208, 0), CHAN5G(212, 0), + CHAN5G(216, 0), +}; + +static struct ieee80211_supported_band cw1200_band_2ghz = { + .channels = cw1200_2ghz_chantable, + .n_channels = ARRAY_SIZE(cw1200_2ghz_chantable), + .bitrates = cw1200_g_rates, + .n_bitrates = cw1200_g_rates_size, + .ht_cap = { + .cap = IEEE80211_HT_CAP_GRN_FLD | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | + IEEE80211_HT_CAP_MAX_AMSDU, + .ht_supported = 1, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, + .mcs = { + .rx_mask[0] = 0xFF, + .rx_highest = __cpu_to_le16(0x41), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, + }, +}; + +static struct ieee80211_supported_band cw1200_band_5ghz = { + .channels = cw1200_5ghz_chantable, + .n_channels = ARRAY_SIZE(cw1200_5ghz_chantable), + .bitrates = cw1200_a_rates, + .n_bitrates = cw1200_a_rates_size, + .ht_cap = { + .cap = IEEE80211_HT_CAP_GRN_FLD | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | + IEEE80211_HT_CAP_MAX_AMSDU, + .ht_supported = 1, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, + .mcs = { + .rx_mask[0] = 0xFF, + .rx_highest = __cpu_to_le16(0x41), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, + }, +}; + +static const unsigned long cw1200_ttl[] = { + 1 * HZ, /* VO */ + 2 * HZ, /* VI */ + 5 * HZ, /* BE */ + 10 * HZ /* BK */ +}; + +static const struct ieee80211_ops cw1200_ops = { + .start = cw1200_start, + .stop = cw1200_stop, + .add_interface = cw1200_add_interface, + .remove_interface = cw1200_remove_interface, + .change_interface = cw1200_change_interface, + .tx = cw1200_tx, + .hw_scan = cw1200_hw_scan, + .set_tim = cw1200_set_tim, + .sta_notify = cw1200_sta_notify, + .sta_add = cw1200_sta_add, + .sta_remove = cw1200_sta_remove, + .set_key = cw1200_set_key, + .set_rts_threshold = cw1200_set_rts_threshold, + .config = cw1200_config, + .bss_info_changed = cw1200_bss_info_changed, + .prepare_multicast = cw1200_prepare_multicast, + .configure_filter = cw1200_configure_filter, + .conf_tx = cw1200_conf_tx, + .get_stats = cw1200_get_stats, + .ampdu_action = cw1200_ampdu_action, + .flush = cw1200_flush, +#ifdef CONFIG_PM + .suspend = cw1200_wow_suspend, + .resume = cw1200_wow_resume, +#endif + /* Intentionally not offloaded: */ + /*.channel_switch = cw1200_channel_switch, */ + /*.remain_on_channel = cw1200_remain_on_channel, */ + /*.cancel_remain_on_channel = cw1200_cancel_remain_on_channel, */ +}; + +int cw1200_ba_rx_tids = -1; +int cw1200_ba_tx_tids = -1; +module_param(cw1200_ba_rx_tids, int, 0644); +module_param(cw1200_ba_tx_tids, int, 0644); +MODULE_PARM_DESC(cw1200_ba_rx_tids, "Block ACK RX TIDs"); +MODULE_PARM_DESC(cw1200_ba_tx_tids, "Block ACK TX TIDs"); + +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support cw1200_wowlan_support = { + /* Support only for limited wowlan functionalities */ + .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, +}; +#endif + + +static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, + const bool have_5ghz) +{ + int i, band; + struct ieee80211_hw *hw; + struct cw1200_common *priv; + + hw = ieee80211_alloc_hw(sizeof(struct cw1200_common), &cw1200_ops); + if (!hw) + return NULL; + + priv = hw->priv; + priv->hw = hw; + priv->hw_type = -1; + priv->mode = NL80211_IFTYPE_UNSPECIFIED; + priv->rates = cw1200_rates; /* TODO: fetch from FW */ + priv->mcs_rates = cw1200_n_rates; + if (cw1200_ba_rx_tids != -1) + priv->ba_rx_tid_mask = cw1200_ba_rx_tids; + else + priv->ba_rx_tid_mask = 0xFF; /* Enable RX BLKACK for all TIDs */ + if (cw1200_ba_tx_tids != -1) + priv->ba_tx_tid_mask = cw1200_ba_tx_tids; + else + priv->ba_tx_tid_mask = 0xff; /* Enable TX BLKACK for all TIDs */ + + hw->flags = IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS | + IEEE80211_HW_REPORTS_TX_ACK_STATUS | + IEEE80211_HW_SUPPORTS_UAPSD | + IEEE80211_HW_CONNECTION_MONITOR | + IEEE80211_HW_AMPDU_AGGREGATION | + IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | + IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC; + + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_MESH_POINT) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + +#ifdef CONFIG_PM + hw->wiphy->wowlan = &cw1200_wowlan_support; +#endif + + hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; + + hw->channel_change_time = 1000; /* TODO: find actual value */ + hw->queues = 4; + + priv->rts_threshold = -1; + + hw->max_rates = 8; + hw->max_rate_tries = 15; + hw->extra_tx_headroom = WSM_TX_EXTRA_HEADROOM + + 8; /* TKIP IV */ + + hw->sta_data_size = sizeof(struct cw1200_sta_priv); + + hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &cw1200_band_2ghz; + if (have_5ghz) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &cw1200_band_5ghz; + + /* Channel params have to be cleared before registering wiphy again */ + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { + struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; + if (!sband) + continue; + for (i = 0; i < sband->n_channels; i++) { + sband->channels[i].flags = 0; + sband->channels[i].max_antenna_gain = 0; + sband->channels[i].max_power = 30; + } + } + + hw->wiphy->max_scan_ssids = 2; + hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + + if (macaddr) + SET_IEEE80211_PERM_ADDR(hw, (u8 *)macaddr); + else + SET_IEEE80211_PERM_ADDR(hw, cw1200_mac_template); + + /* Fix up mac address if necessary */ + if (hw->wiphy->perm_addr[3] == 0 && + hw->wiphy->perm_addr[4] == 0 && + hw->wiphy->perm_addr[5] == 0) { + get_random_bytes(&hw->wiphy->perm_addr[3], 3); + } + + mutex_init(&priv->wsm_cmd_mux); + mutex_init(&priv->conf_mutex); + priv->workqueue = create_singlethread_workqueue("cw1200_wq"); + sema_init(&priv->scan.lock, 1); + INIT_WORK(&priv->scan.work, cw1200_scan_work); + INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); + INIT_DELAYED_WORK(&priv->scan.timeout, cw1200_scan_timeout); + INIT_DELAYED_WORK(&priv->clear_recent_scan_work, + cw1200_clear_recent_scan_work); + INIT_DELAYED_WORK(&priv->join_timeout, cw1200_join_timeout); + INIT_WORK(&priv->unjoin_work, cw1200_unjoin_work); + INIT_WORK(&priv->join_complete_work, cw1200_join_complete_work); + INIT_WORK(&priv->wep_key_work, cw1200_wep_key_work); + INIT_WORK(&priv->tx_policy_upload_work, tx_policy_upload_work); + spin_lock_init(&priv->event_queue_lock); + INIT_LIST_HEAD(&priv->event_queue); + INIT_WORK(&priv->event_handler, cw1200_event_handler); + INIT_DELAYED_WORK(&priv->bss_loss_work, cw1200_bss_loss_work); + INIT_WORK(&priv->bss_params_work, cw1200_bss_params_work); + spin_lock_init(&priv->bss_loss_lock); + spin_lock_init(&priv->ps_state_lock); + INIT_WORK(&priv->set_cts_work, cw1200_set_cts_work); + INIT_WORK(&priv->set_tim_work, cw1200_set_tim_work); + INIT_WORK(&priv->multicast_start_work, cw1200_multicast_start_work); + INIT_WORK(&priv->multicast_stop_work, cw1200_multicast_stop_work); + INIT_WORK(&priv->link_id_work, cw1200_link_id_work); + INIT_DELAYED_WORK(&priv->link_id_gc_work, cw1200_link_id_gc_work); + INIT_WORK(&priv->linkid_reset_work, cw1200_link_id_reset); + INIT_WORK(&priv->update_filtering_work, cw1200_update_filtering_work); + INIT_WORK(&priv->set_beacon_wakeup_period_work, + cw1200_set_beacon_wakeup_period_work); + init_timer(&priv->mcast_timeout); + priv->mcast_timeout.data = (unsigned long)priv; + priv->mcast_timeout.function = cw1200_mcast_timeout; + + if (cw1200_queue_stats_init(&priv->tx_queue_stats, + CW1200_LINK_ID_MAX, + cw1200_skb_dtor, + priv)) { + ieee80211_free_hw(hw); + return NULL; + } + + for (i = 0; i < 4; ++i) { + if (cw1200_queue_init(&priv->tx_queue[i], + &priv->tx_queue_stats, i, 16, + cw1200_ttl[i])) { + for (; i > 0; i--) + cw1200_queue_deinit(&priv->tx_queue[i - 1]); + cw1200_queue_stats_deinit(&priv->tx_queue_stats); + ieee80211_free_hw(hw); + return NULL; + } + } + + init_waitqueue_head(&priv->channel_switch_done); + init_waitqueue_head(&priv->wsm_cmd_wq); + init_waitqueue_head(&priv->wsm_startup_done); + init_waitqueue_head(&priv->ps_mode_switch_done); + wsm_buf_init(&priv->wsm_cmd_buf); + spin_lock_init(&priv->wsm_cmd.lock); + priv->wsm_cmd.done = 1; + tx_policy_init(priv); + + return hw; +} + +static int cw1200_register_common(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + int err; + +#ifdef CONFIG_CW1200_ETF + if (etf_mode) + goto done; +#endif + +#ifdef CONFIG_PM + err = cw1200_pm_init(&priv->pm_state, priv); + if (err) { + pr_err("Cannot init PM. (%d).\n", + err); + return err; + } +#endif + + err = ieee80211_register_hw(dev); + if (err) { + pr_err("Cannot register device (%d).\n", + err); +#ifdef CONFIG_PM + cw1200_pm_deinit(&priv->pm_state); +#endif + return err; + } + +#ifdef CONFIG_CW1200_ETF +done: +#endif + cw1200_debug_init(priv); + + pr_info("Registered as '%s'\n", wiphy_name(dev->wiphy)); + return 0; +} + +static void cw1200_free_common(struct ieee80211_hw *dev) +{ + ieee80211_free_hw(dev); +} + +static void cw1200_unregister_common(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + int i; + +#ifdef CONFIG_CW1200_ETF + if (!etf_mode) { +#endif + ieee80211_unregister_hw(dev); +#ifdef CONFIG_CW1200_ETF + } +#endif + + del_timer_sync(&priv->mcast_timeout); + cw1200_unregister_bh(priv); + + cw1200_debug_release(priv); + + mutex_destroy(&priv->conf_mutex); + + wsm_buf_deinit(&priv->wsm_cmd_buf); + + destroy_workqueue(priv->workqueue); + priv->workqueue = NULL; + + if (priv->sdd) { + release_firmware(priv->sdd); + priv->sdd = NULL; + } + + for (i = 0; i < 4; ++i) + cw1200_queue_deinit(&priv->tx_queue[i]); + + cw1200_queue_stats_deinit(&priv->tx_queue_stats); +#ifdef CONFIG_PM + cw1200_pm_deinit(&priv->pm_state); +#endif +} + +/* Clock is in KHz */ +u32 cw1200_dpll_from_clk(u16 clk_khz) +{ + switch (clk_khz) { + case 0x32C8: /* 13000 KHz */ + return 0x1D89D241; + case 0x3E80: /* 16000 KHz */ + return 0x000001E1; + case 0x41A0: /* 16800 KHz */ + return 0x124931C1; + case 0x4B00: /* 19200 KHz */ + return 0x00000191; + case 0x5DC0: /* 24000 KHz */ + return 0x00000141; + case 0x6590: /* 26000 KHz */ + return 0x0EC4F121; + case 0x8340: /* 33600 KHz */ + return 0x092490E1; + case 0x9600: /* 38400 KHz */ + return 0x100010C1; + case 0x9C40: /* 40000 KHz */ + return 0x000000C1; + case 0xBB80: /* 48000 KHz */ + return 0x000000A1; + case 0xCB20: /* 52000 KHz */ + return 0x07627091; + default: + pr_err("Unknown Refclk freq (0x%04x), using 2600KHz\n", + clk_khz); + return 0x0EC4F121; + } +} + +int cw1200_core_probe(const struct hwbus_ops *hwbus_ops, + struct hwbus_priv *hwbus, + struct device *pdev, + struct cw1200_common **core, + int ref_clk, const u8 *macaddr, + const char *sdd_path, bool have_5ghz) +{ + int err = -EINVAL; + struct ieee80211_hw *dev; + struct cw1200_common *priv; + struct wsm_operational_mode mode = { + .power_mode = cw1200_power_mode, + .disable_more_flag_usage = true, + }; + + dev = cw1200_init_common(macaddr, have_5ghz); + if (!dev) + goto err; + + priv = dev->priv; + priv->hw_refclk = ref_clk; + if (cw1200_refclk) + priv->hw_refclk = cw1200_refclk; + + priv->sdd_path = (char *)sdd_path; + if (cw1200_sdd_path) + priv->sdd_path = cw1200_sdd_path; + + priv->hwbus_ops = hwbus_ops; + priv->hwbus_priv = hwbus; + priv->pdev = pdev; + SET_IEEE80211_DEV(priv->hw, pdev); + + /* Pass struct cw1200_common back up */ + *core = priv; + + err = cw1200_register_bh(priv); + if (err) + goto err1; + +#ifdef CONFIG_CW1200_ETF + if (etf_mode) + goto skip_fw; +#endif + + err = cw1200_load_firmware(priv); + if (err) + goto err2; + + if (wait_event_interruptible_timeout(priv->wsm_startup_done, + priv->firmware_ready, + 3*HZ) <= 0) { + /* TODO: Need to find how to reset device + in QUEUE mode properly. + */ + pr_err("Timeout waiting on device startup\n"); + err = -ETIMEDOUT; + goto err2; + } + + /* Set low-power mode. */ + wsm_set_operational_mode(priv, &mode); + + /* Enable multi-TX confirmation */ + wsm_use_multi_tx_conf(priv, true); + +#ifdef CONFIG_CW1200_ETF +skip_fw: +#endif + err = cw1200_register_common(dev); + if (err) + goto err2; + + return err; + +err2: + cw1200_unregister_bh(priv); +err1: + cw1200_free_common(dev); +err: + *core = NULL; + return err; +} +EXPORT_SYMBOL_GPL(cw1200_core_probe); + +void cw1200_core_release(struct cw1200_common *self) +{ + /* Disable device interrupts */ + self->hwbus_ops->lock(self->hwbus_priv); + __cw1200_irq_enable(self, 0); + self->hwbus_ops->unlock(self->hwbus_priv); + + /* And then clean up */ + cw1200_unregister_common(self->hw); + cw1200_free_common(self->hw); + return; +} +EXPORT_SYMBOL_GPL(cw1200_core_release); diff --git a/drivers/net/wireless/cw1200/pm.c b/drivers/net/wireless/cw1200/pm.c new file mode 100644 index 000000000000..b37abb9f0453 --- /dev/null +++ b/drivers/net/wireless/cw1200/pm.c @@ -0,0 +1,367 @@ +/* + * Mac80211 power management API for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2011, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/if_ether.h> +#include "cw1200.h" +#include "pm.h" +#include "sta.h" +#include "bh.h" +#include "hwbus.h" + +#define CW1200_BEACON_SKIPPING_MULTIPLIER 3 + +struct cw1200_udp_port_filter { + struct wsm_udp_port_filter_hdr hdr; + /* Up to 4 filters are allowed. */ + struct wsm_udp_port_filter filters[WSM_MAX_FILTER_ELEMENTS]; +} __packed; + +struct cw1200_ether_type_filter { + struct wsm_ether_type_filter_hdr hdr; + /* Up to 4 filters are allowed. */ + struct wsm_ether_type_filter filters[WSM_MAX_FILTER_ELEMENTS]; +} __packed; + +static struct cw1200_udp_port_filter cw1200_udp_port_filter_on = { + .hdr.num = 2, + .filters = { + [0] = { + .action = WSM_FILTER_ACTION_FILTER_OUT, + .type = WSM_FILTER_PORT_TYPE_DST, + .port = __cpu_to_le16(67), /* DHCP Bootps */ + }, + [1] = { + .action = WSM_FILTER_ACTION_FILTER_OUT, + .type = WSM_FILTER_PORT_TYPE_DST, + .port = __cpu_to_le16(68), /* DHCP Bootpc */ + }, + } +}; + +static struct wsm_udp_port_filter_hdr cw1200_udp_port_filter_off = { + .num = 0, +}; + +#ifndef ETH_P_WAPI +#define ETH_P_WAPI 0x88B4 +#endif + +static struct cw1200_ether_type_filter cw1200_ether_type_filter_on = { + .hdr.num = 4, + .filters = { + [0] = { + .action = WSM_FILTER_ACTION_FILTER_IN, + .type = __cpu_to_le16(ETH_P_IP), + }, + [1] = { + .action = WSM_FILTER_ACTION_FILTER_IN, + .type = __cpu_to_le16(ETH_P_PAE), + }, + [2] = { + .action = WSM_FILTER_ACTION_FILTER_IN, + .type = __cpu_to_le16(ETH_P_WAPI), + }, + [3] = { + .action = WSM_FILTER_ACTION_FILTER_IN, + .type = __cpu_to_le16(ETH_P_ARP), + }, + }, +}; + +static struct wsm_ether_type_filter_hdr cw1200_ether_type_filter_off = { + .num = 0, +}; + +/* private */ +struct cw1200_suspend_state { + unsigned long bss_loss_tmo; + unsigned long join_tmo; + unsigned long direct_probe; + unsigned long link_id_gc; + bool beacon_skipping; + u8 prev_ps_mode; +}; + +static void cw1200_pm_stay_awake_tmo(unsigned long arg) +{ + /* XXX what's the point of this ? */ +} + +int cw1200_pm_init(struct cw1200_pm_state *pm, + struct cw1200_common *priv) +{ + spin_lock_init(&pm->lock); + + init_timer(&pm->stay_awake); + pm->stay_awake.data = (unsigned long)pm; + pm->stay_awake.function = cw1200_pm_stay_awake_tmo; + + return 0; +} + +void cw1200_pm_deinit(struct cw1200_pm_state *pm) +{ + del_timer_sync(&pm->stay_awake); +} + +void cw1200_pm_stay_awake(struct cw1200_pm_state *pm, + unsigned long tmo) +{ + long cur_tmo; + spin_lock_bh(&pm->lock); + cur_tmo = pm->stay_awake.expires - jiffies; + if (!timer_pending(&pm->stay_awake) || cur_tmo < (long)tmo) + mod_timer(&pm->stay_awake, jiffies + tmo); + spin_unlock_bh(&pm->lock); +} + +static long cw1200_suspend_work(struct delayed_work *work) +{ + int ret = cancel_delayed_work(work); + long tmo; + if (ret > 0) { + /* Timer is pending */ + tmo = work->timer.expires - jiffies; + if (tmo < 0) + tmo = 0; + } else { + tmo = -1; + } + return tmo; +} + +static int cw1200_resume_work(struct cw1200_common *priv, + struct delayed_work *work, + unsigned long tmo) +{ + if ((long)tmo < 0) + return 1; + + return queue_delayed_work(priv->workqueue, work, tmo); +} + +int cw1200_can_suspend(struct cw1200_common *priv) +{ + if (atomic_read(&priv->bh_rx)) { + wiphy_dbg(priv->hw->wiphy, "Suspend interrupted.\n"); + return 0; + } + return 1; +} +EXPORT_SYMBOL_GPL(cw1200_can_suspend); + +int cw1200_wow_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) +{ + struct cw1200_common *priv = hw->priv; + struct cw1200_pm_state *pm_state = &priv->pm_state; + struct cw1200_suspend_state *state; + int ret; + + spin_lock_bh(&pm_state->lock); + ret = timer_pending(&pm_state->stay_awake); + spin_unlock_bh(&pm_state->lock); + if (ret) + return -EAGAIN; + + /* Do not suspend when datapath is not idle */ + if (priv->tx_queue_stats.num_queued) + return -EBUSY; + + /* Make sure there is no configuration requests in progress. */ + if (!mutex_trylock(&priv->conf_mutex)) + return -EBUSY; + + /* Ensure pending operations are done. + * Note also that wow_suspend must return in ~2.5sec, before + * watchdog is triggered. + */ + if (priv->channel_switch_in_progress) + goto revert1; + + /* Do not suspend when join is pending */ + if (priv->join_pending) + goto revert1; + + /* Do not suspend when scanning */ + if (down_trylock(&priv->scan.lock)) + goto revert1; + + /* Lock TX. */ + wsm_lock_tx_async(priv); + + /* Wait to avoid possible race with bh code. + * But do not wait too long... + */ + if (wait_event_timeout(priv->bh_evt_wq, + !priv->hw_bufs_used, HZ / 10) <= 0) + goto revert2; + + /* Set UDP filter */ + wsm_set_udp_port_filter(priv, &cw1200_udp_port_filter_on.hdr); + + /* Set ethernet frame type filter */ + wsm_set_ether_type_filter(priv, &cw1200_ether_type_filter_on.hdr); + + /* Allocate state */ + state = kzalloc(sizeof(struct cw1200_suspend_state), GFP_KERNEL); + if (!state) + goto revert3; + + /* Change to legacy PS while going to suspend */ + if (!priv->vif->p2p && + priv->join_status == CW1200_JOIN_STATUS_STA && + priv->powersave_mode.mode != WSM_PSM_PS) { + state->prev_ps_mode = priv->powersave_mode.mode; + priv->powersave_mode.mode = WSM_PSM_PS; + cw1200_set_pm(priv, &priv->powersave_mode); + if (wait_event_interruptible_timeout(priv->ps_mode_switch_done, + !priv->ps_mode_switch_in_progress, 1*HZ) <= 0) { + goto revert3; + } + } + + /* Store delayed work states. */ + state->bss_loss_tmo = + cw1200_suspend_work(&priv->bss_loss_work); + state->join_tmo = + cw1200_suspend_work(&priv->join_timeout); + state->direct_probe = + cw1200_suspend_work(&priv->scan.probe_work); + state->link_id_gc = + cw1200_suspend_work(&priv->link_id_gc_work); + + cancel_delayed_work_sync(&priv->clear_recent_scan_work); + atomic_set(&priv->recent_scan, 0); + + /* Enable beacon skipping */ + if (priv->join_status == CW1200_JOIN_STATUS_STA && + priv->join_dtim_period && + !priv->has_multicast_subscription) { + state->beacon_skipping = true; + wsm_set_beacon_wakeup_period(priv, + priv->join_dtim_period, + CW1200_BEACON_SKIPPING_MULTIPLIER * priv->join_dtim_period); + } + + /* Stop serving thread */ + if (cw1200_bh_suspend(priv)) + goto revert4; + + ret = timer_pending(&priv->mcast_timeout); + if (ret) + goto revert5; + + /* Store suspend state */ + pm_state->suspend_state = state; + + /* Enable IRQ wake */ + ret = priv->hwbus_ops->power_mgmt(priv->hwbus_priv, true); + if (ret) { + wiphy_err(priv->hw->wiphy, + "PM request failed: %d. WoW is disabled.\n", ret); + cw1200_wow_resume(hw); + return -EBUSY; + } + + /* Force resume if event is coming from the device. */ + if (atomic_read(&priv->bh_rx)) { + cw1200_wow_resume(hw); + return -EAGAIN; + } + + return 0; + +revert5: + WARN_ON(cw1200_bh_resume(priv)); +revert4: + cw1200_resume_work(priv, &priv->bss_loss_work, + state->bss_loss_tmo); + cw1200_resume_work(priv, &priv->join_timeout, + state->join_tmo); + cw1200_resume_work(priv, &priv->scan.probe_work, + state->direct_probe); + cw1200_resume_work(priv, &priv->link_id_gc_work, + state->link_id_gc); + kfree(state); +revert3: + wsm_set_udp_port_filter(priv, &cw1200_udp_port_filter_off); + wsm_set_ether_type_filter(priv, &cw1200_ether_type_filter_off); +revert2: + wsm_unlock_tx(priv); + up(&priv->scan.lock); +revert1: + mutex_unlock(&priv->conf_mutex); + return -EBUSY; +} + +int cw1200_wow_resume(struct ieee80211_hw *hw) +{ + struct cw1200_common *priv = hw->priv; + struct cw1200_pm_state *pm_state = &priv->pm_state; + struct cw1200_suspend_state *state; + + state = pm_state->suspend_state; + pm_state->suspend_state = NULL; + + /* Disable IRQ wake */ + priv->hwbus_ops->power_mgmt(priv->hwbus_priv, false); + + /* Scan.lock must be released before BH is resumed other way + * in case when BSS_LOST command arrived the processing of the + * command will be delayed. + */ + up(&priv->scan.lock); + + /* Resume BH thread */ + WARN_ON(cw1200_bh_resume(priv)); + + /* Restores previous PS mode */ + if (!priv->vif->p2p && priv->join_status == CW1200_JOIN_STATUS_STA) { + priv->powersave_mode.mode = state->prev_ps_mode; + cw1200_set_pm(priv, &priv->powersave_mode); + } + + if (state->beacon_skipping) { + wsm_set_beacon_wakeup_period(priv, priv->beacon_int * + priv->join_dtim_period > + MAX_BEACON_SKIP_TIME_MS ? 1 : + priv->join_dtim_period, 0); + state->beacon_skipping = false; + } + + /* Resume delayed work */ + cw1200_resume_work(priv, &priv->bss_loss_work, + state->bss_loss_tmo); + cw1200_resume_work(priv, &priv->join_timeout, + state->join_tmo); + cw1200_resume_work(priv, &priv->scan.probe_work, + state->direct_probe); + cw1200_resume_work(priv, &priv->link_id_gc_work, + state->link_id_gc); + + /* Remove UDP port filter */ + wsm_set_udp_port_filter(priv, &cw1200_udp_port_filter_off); + + /* Remove ethernet frame type filter */ + wsm_set_ether_type_filter(priv, &cw1200_ether_type_filter_off); + + /* Unlock datapath */ + wsm_unlock_tx(priv); + + /* Unlock configuration mutex */ + mutex_unlock(&priv->conf_mutex); + + /* Free memory */ + kfree(state); + + return 0; +} diff --git a/drivers/net/wireless/cw1200/pm.h b/drivers/net/wireless/cw1200/pm.h new file mode 100644 index 000000000000..3ed90ff22bb8 --- /dev/null +++ b/drivers/net/wireless/cw1200/pm.h @@ -0,0 +1,43 @@ +/* + * Mac80211 power management interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2011, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef PM_H_INCLUDED +#define PM_H_INCLUDED + +/* ******************************************************************** */ +/* mac80211 API */ + +/* extern */ struct cw1200_common; +/* private */ struct cw1200_suspend_state; + +struct cw1200_pm_state { + struct cw1200_suspend_state *suspend_state; + struct timer_list stay_awake; + struct platform_device *pm_dev; + spinlock_t lock; /* Protect access */ +}; + +#ifdef CONFIG_PM +int cw1200_pm_init(struct cw1200_pm_state *pm, + struct cw1200_common *priv); +void cw1200_pm_deinit(struct cw1200_pm_state *pm); +int cw1200_wow_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan); +int cw1200_wow_resume(struct ieee80211_hw *hw); +int cw1200_can_suspend(struct cw1200_common *priv); +void cw1200_pm_stay_awake(struct cw1200_pm_state *pm, + unsigned long tmo); +#else +static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm, + unsigned long tmo) { +} +#endif +#endif diff --git a/drivers/net/wireless/cw1200/queue.c b/drivers/net/wireless/cw1200/queue.c new file mode 100644 index 000000000000..8510454d5db1 --- /dev/null +++ b/drivers/net/wireless/cw1200/queue.c @@ -0,0 +1,583 @@ +/* + * O(1) TX queue with built-in allocator for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <net/mac80211.h> +#include <linux/sched.h> +#include "queue.h" +#include "cw1200.h" +#include "debug.h" + +/* private */ struct cw1200_queue_item +{ + struct list_head head; + struct sk_buff *skb; + u32 packet_id; + unsigned long queue_timestamp; + unsigned long xmit_timestamp; + struct cw1200_txpriv txpriv; + u8 generation; +}; + +static inline void __cw1200_queue_lock(struct cw1200_queue *queue) +{ + struct cw1200_queue_stats *stats = queue->stats; + if (queue->tx_locked_cnt++ == 0) { + pr_debug("[TX] Queue %d is locked.\n", + queue->queue_id); + ieee80211_stop_queue(stats->priv->hw, queue->queue_id); + } +} + +static inline void __cw1200_queue_unlock(struct cw1200_queue *queue) +{ + struct cw1200_queue_stats *stats = queue->stats; + BUG_ON(!queue->tx_locked_cnt); + if (--queue->tx_locked_cnt == 0) { + pr_debug("[TX] Queue %d is unlocked.\n", + queue->queue_id); + ieee80211_wake_queue(stats->priv->hw, queue->queue_id); + } +} + +static inline void cw1200_queue_parse_id(u32 packet_id, u8 *queue_generation, + u8 *queue_id, u8 *item_generation, + u8 *item_id) +{ + *item_id = (packet_id >> 0) & 0xFF; + *item_generation = (packet_id >> 8) & 0xFF; + *queue_id = (packet_id >> 16) & 0xFF; + *queue_generation = (packet_id >> 24) & 0xFF; +} + +static inline u32 cw1200_queue_mk_packet_id(u8 queue_generation, u8 queue_id, + u8 item_generation, u8 item_id) +{ + return ((u32)item_id << 0) | + ((u32)item_generation << 8) | + ((u32)queue_id << 16) | + ((u32)queue_generation << 24); +} + +static void cw1200_queue_post_gc(struct cw1200_queue_stats *stats, + struct list_head *gc_list) +{ + struct cw1200_queue_item *item, *tmp; + + list_for_each_entry_safe(item, tmp, gc_list, head) { + list_del(&item->head); + stats->skb_dtor(stats->priv, item->skb, &item->txpriv); + kfree(item); + } +} + +static void cw1200_queue_register_post_gc(struct list_head *gc_list, + struct cw1200_queue_item *item) +{ + struct cw1200_queue_item *gc_item; + gc_item = kmalloc(sizeof(struct cw1200_queue_item), + GFP_ATOMIC); + BUG_ON(!gc_item); + memcpy(gc_item, item, sizeof(struct cw1200_queue_item)); + list_add_tail(&gc_item->head, gc_list); +} + +static void __cw1200_queue_gc(struct cw1200_queue *queue, + struct list_head *head, + bool unlock) +{ + struct cw1200_queue_stats *stats = queue->stats; + struct cw1200_queue_item *item = NULL, *tmp; + bool wakeup_stats = false; + + list_for_each_entry_safe(item, tmp, &queue->queue, head) { + if (jiffies - item->queue_timestamp < queue->ttl) + break; + --queue->num_queued; + --queue->link_map_cache[item->txpriv.link_id]; + spin_lock_bh(&stats->lock); + --stats->num_queued; + if (!--stats->link_map_cache[item->txpriv.link_id]) + wakeup_stats = true; + spin_unlock_bh(&stats->lock); + cw1200_debug_tx_ttl(stats->priv); + cw1200_queue_register_post_gc(head, item); + item->skb = NULL; + list_move_tail(&item->head, &queue->free_pool); + } + + if (wakeup_stats) + wake_up(&stats->wait_link_id_empty); + + if (queue->overfull) { + if (queue->num_queued <= (queue->capacity >> 1)) { + queue->overfull = false; + if (unlock) + __cw1200_queue_unlock(queue); + } else if (item) { + unsigned long tmo = item->queue_timestamp + queue->ttl; + mod_timer(&queue->gc, tmo); + cw1200_pm_stay_awake(&stats->priv->pm_state, + tmo - jiffies); + } + } +} + +static void cw1200_queue_gc(unsigned long arg) +{ + LIST_HEAD(list); + struct cw1200_queue *queue = + (struct cw1200_queue *)arg; + + spin_lock_bh(&queue->lock); + __cw1200_queue_gc(queue, &list, true); + spin_unlock_bh(&queue->lock); + cw1200_queue_post_gc(queue->stats, &list); +} + +int cw1200_queue_stats_init(struct cw1200_queue_stats *stats, + size_t map_capacity, + cw1200_queue_skb_dtor_t skb_dtor, + struct cw1200_common *priv) +{ + memset(stats, 0, sizeof(*stats)); + stats->map_capacity = map_capacity; + stats->skb_dtor = skb_dtor; + stats->priv = priv; + spin_lock_init(&stats->lock); + init_waitqueue_head(&stats->wait_link_id_empty); + + stats->link_map_cache = kzalloc(sizeof(int) * map_capacity, + GFP_KERNEL); + if (!stats->link_map_cache) + return -ENOMEM; + + return 0; +} + +int cw1200_queue_init(struct cw1200_queue *queue, + struct cw1200_queue_stats *stats, + u8 queue_id, + size_t capacity, + unsigned long ttl) +{ + size_t i; + + memset(queue, 0, sizeof(*queue)); + queue->stats = stats; + queue->capacity = capacity; + queue->queue_id = queue_id; + queue->ttl = ttl; + INIT_LIST_HEAD(&queue->queue); + INIT_LIST_HEAD(&queue->pending); + INIT_LIST_HEAD(&queue->free_pool); + spin_lock_init(&queue->lock); + init_timer(&queue->gc); + queue->gc.data = (unsigned long)queue; + queue->gc.function = cw1200_queue_gc; + + queue->pool = kzalloc(sizeof(struct cw1200_queue_item) * capacity, + GFP_KERNEL); + if (!queue->pool) + return -ENOMEM; + + queue->link_map_cache = kzalloc(sizeof(int) * stats->map_capacity, + GFP_KERNEL); + if (!queue->link_map_cache) { + kfree(queue->pool); + queue->pool = NULL; + return -ENOMEM; + } + + for (i = 0; i < capacity; ++i) + list_add_tail(&queue->pool[i].head, &queue->free_pool); + + return 0; +} + +int cw1200_queue_clear(struct cw1200_queue *queue) +{ + int i; + LIST_HEAD(gc_list); + struct cw1200_queue_stats *stats = queue->stats; + struct cw1200_queue_item *item, *tmp; + + spin_lock_bh(&queue->lock); + queue->generation++; + list_splice_tail_init(&queue->queue, &queue->pending); + list_for_each_entry_safe(item, tmp, &queue->pending, head) { + WARN_ON(!item->skb); + cw1200_queue_register_post_gc(&gc_list, item); + item->skb = NULL; + list_move_tail(&item->head, &queue->free_pool); + } + queue->num_queued = 0; + queue->num_pending = 0; + + spin_lock_bh(&stats->lock); + for (i = 0; i < stats->map_capacity; ++i) { + stats->num_queued -= queue->link_map_cache[i]; + stats->link_map_cache[i] -= queue->link_map_cache[i]; + queue->link_map_cache[i] = 0; + } + spin_unlock_bh(&stats->lock); + if (queue->overfull) { + queue->overfull = false; + __cw1200_queue_unlock(queue); + } + spin_unlock_bh(&queue->lock); + wake_up(&stats->wait_link_id_empty); + cw1200_queue_post_gc(stats, &gc_list); + return 0; +} + +void cw1200_queue_stats_deinit(struct cw1200_queue_stats *stats) +{ + kfree(stats->link_map_cache); + stats->link_map_cache = NULL; +} + +void cw1200_queue_deinit(struct cw1200_queue *queue) +{ + cw1200_queue_clear(queue); + del_timer_sync(&queue->gc); + INIT_LIST_HEAD(&queue->free_pool); + kfree(queue->pool); + kfree(queue->link_map_cache); + queue->pool = NULL; + queue->link_map_cache = NULL; + queue->capacity = 0; +} + +size_t cw1200_queue_get_num_queued(struct cw1200_queue *queue, + u32 link_id_map) +{ + size_t ret; + int i, bit; + size_t map_capacity = queue->stats->map_capacity; + + if (!link_id_map) + return 0; + + spin_lock_bh(&queue->lock); + if (link_id_map == (u32)-1) { + ret = queue->num_queued - queue->num_pending; + } else { + ret = 0; + for (i = 0, bit = 1; i < map_capacity; ++i, bit <<= 1) { + if (link_id_map & bit) + ret += queue->link_map_cache[i]; + } + } + spin_unlock_bh(&queue->lock); + return ret; +} + +int cw1200_queue_put(struct cw1200_queue *queue, + struct sk_buff *skb, + struct cw1200_txpriv *txpriv) +{ + int ret = 0; + LIST_HEAD(gc_list); + struct cw1200_queue_stats *stats = queue->stats; + + if (txpriv->link_id >= queue->stats->map_capacity) + return -EINVAL; + + spin_lock_bh(&queue->lock); + if (!WARN_ON(list_empty(&queue->free_pool))) { + struct cw1200_queue_item *item = list_first_entry( + &queue->free_pool, struct cw1200_queue_item, head); + BUG_ON(item->skb); + + list_move_tail(&item->head, &queue->queue); + item->skb = skb; + item->txpriv = *txpriv; + item->generation = 0; + item->packet_id = cw1200_queue_mk_packet_id(queue->generation, + queue->queue_id, + item->generation, + item - queue->pool); + item->queue_timestamp = jiffies; + + ++queue->num_queued; + ++queue->link_map_cache[txpriv->link_id]; + + spin_lock_bh(&stats->lock); + ++stats->num_queued; + ++stats->link_map_cache[txpriv->link_id]; + spin_unlock_bh(&stats->lock); + + /* TX may happen in parallel sometimes. + * Leave extra queue slots so we don't overflow. + */ + if (queue->overfull == false && + queue->num_queued >= + (queue->capacity - (num_present_cpus() - 1))) { + queue->overfull = true; + __cw1200_queue_lock(queue); + mod_timer(&queue->gc, jiffies); + } + } else { + ret = -ENOENT; + } + spin_unlock_bh(&queue->lock); + return ret; +} + +int cw1200_queue_get(struct cw1200_queue *queue, + u32 link_id_map, + struct wsm_tx **tx, + struct ieee80211_tx_info **tx_info, + const struct cw1200_txpriv **txpriv) +{ + int ret = -ENOENT; + struct cw1200_queue_item *item; + struct cw1200_queue_stats *stats = queue->stats; + bool wakeup_stats = false; + + spin_lock_bh(&queue->lock); + list_for_each_entry(item, &queue->queue, head) { + if (link_id_map & BIT(item->txpriv.link_id)) { + ret = 0; + break; + } + } + + if (!WARN_ON(ret)) { + *tx = (struct wsm_tx *)item->skb->data; + *tx_info = IEEE80211_SKB_CB(item->skb); + *txpriv = &item->txpriv; + (*tx)->packet_id = __cpu_to_le32(item->packet_id); + list_move_tail(&item->head, &queue->pending); + ++queue->num_pending; + --queue->link_map_cache[item->txpriv.link_id]; + item->xmit_timestamp = jiffies; + + spin_lock_bh(&stats->lock); + --stats->num_queued; + if (!--stats->link_map_cache[item->txpriv.link_id]) + wakeup_stats = true; + spin_unlock_bh(&stats->lock); + } + spin_unlock_bh(&queue->lock); + if (wakeup_stats) + wake_up(&stats->wait_link_id_empty); + return ret; +} + +int cw1200_queue_requeue(struct cw1200_queue *queue, u32 packet_id) +{ + int ret = 0; + u8 queue_generation, queue_id, item_generation, item_id; + struct cw1200_queue_item *item; + struct cw1200_queue_stats *stats = queue->stats; + + cw1200_queue_parse_id(packet_id, &queue_generation, &queue_id, + &item_generation, &item_id); + + item = &queue->pool[item_id]; + + spin_lock_bh(&queue->lock); + BUG_ON(queue_id != queue->queue_id); + if (queue_generation != queue->generation) { + ret = -ENOENT; + } else if (item_id >= (unsigned) queue->capacity) { + WARN_ON(1); + ret = -EINVAL; + } else if (item->generation != item_generation) { + WARN_ON(1); + ret = -ENOENT; + } else { + --queue->num_pending; + ++queue->link_map_cache[item->txpriv.link_id]; + + spin_lock_bh(&stats->lock); + ++stats->num_queued; + ++stats->link_map_cache[item->txpriv.link_id]; + spin_unlock_bh(&stats->lock); + + item->generation = ++item_generation; + item->packet_id = cw1200_queue_mk_packet_id(queue_generation, + queue_id, + item_generation, + item_id); + list_move(&item->head, &queue->queue); + } + spin_unlock_bh(&queue->lock); + return ret; +} + +int cw1200_queue_requeue_all(struct cw1200_queue *queue) +{ + struct cw1200_queue_item *item, *tmp; + struct cw1200_queue_stats *stats = queue->stats; + spin_lock_bh(&queue->lock); + + list_for_each_entry_safe_reverse(item, tmp, &queue->pending, head) { + --queue->num_pending; + ++queue->link_map_cache[item->txpriv.link_id]; + + spin_lock_bh(&stats->lock); + ++stats->num_queued; + ++stats->link_map_cache[item->txpriv.link_id]; + spin_unlock_bh(&stats->lock); + + ++item->generation; + item->packet_id = cw1200_queue_mk_packet_id(queue->generation, + queue->queue_id, + item->generation, + item - queue->pool); + list_move(&item->head, &queue->queue); + } + spin_unlock_bh(&queue->lock); + + return 0; +} + +int cw1200_queue_remove(struct cw1200_queue *queue, u32 packet_id) +{ + int ret = 0; + u8 queue_generation, queue_id, item_generation, item_id; + struct cw1200_queue_item *item; + struct cw1200_queue_stats *stats = queue->stats; + struct sk_buff *gc_skb = NULL; + struct cw1200_txpriv gc_txpriv; + + cw1200_queue_parse_id(packet_id, &queue_generation, &queue_id, + &item_generation, &item_id); + + item = &queue->pool[item_id]; + + spin_lock_bh(&queue->lock); + BUG_ON(queue_id != queue->queue_id); + if (queue_generation != queue->generation) { + ret = -ENOENT; + } else if (item_id >= (unsigned) queue->capacity) { + WARN_ON(1); + ret = -EINVAL; + } else if (item->generation != item_generation) { + WARN_ON(1); + ret = -ENOENT; + } else { + gc_txpriv = item->txpriv; + gc_skb = item->skb; + item->skb = NULL; + --queue->num_pending; + --queue->num_queued; + ++queue->num_sent; + ++item->generation; + /* Do not use list_move_tail here, but list_move: + * try to utilize cache row. + */ + list_move(&item->head, &queue->free_pool); + + if (queue->overfull && + (queue->num_queued <= (queue->capacity >> 1))) { + queue->overfull = false; + __cw1200_queue_unlock(queue); + } + } + spin_unlock_bh(&queue->lock); + + if (gc_skb) + stats->skb_dtor(stats->priv, gc_skb, &gc_txpriv); + + return ret; +} + +int cw1200_queue_get_skb(struct cw1200_queue *queue, u32 packet_id, + struct sk_buff **skb, + const struct cw1200_txpriv **txpriv) +{ + int ret = 0; + u8 queue_generation, queue_id, item_generation, item_id; + struct cw1200_queue_item *item; + cw1200_queue_parse_id(packet_id, &queue_generation, &queue_id, + &item_generation, &item_id); + + item = &queue->pool[item_id]; + + spin_lock_bh(&queue->lock); + BUG_ON(queue_id != queue->queue_id); + if (queue_generation != queue->generation) { + ret = -ENOENT; + } else if (item_id >= (unsigned) queue->capacity) { + WARN_ON(1); + ret = -EINVAL; + } else if (item->generation != item_generation) { + WARN_ON(1); + ret = -ENOENT; + } else { + *skb = item->skb; + *txpriv = &item->txpriv; + } + spin_unlock_bh(&queue->lock); + return ret; +} + +void cw1200_queue_lock(struct cw1200_queue *queue) +{ + spin_lock_bh(&queue->lock); + __cw1200_queue_lock(queue); + spin_unlock_bh(&queue->lock); +} + +void cw1200_queue_unlock(struct cw1200_queue *queue) +{ + spin_lock_bh(&queue->lock); + __cw1200_queue_unlock(queue); + spin_unlock_bh(&queue->lock); +} + +bool cw1200_queue_get_xmit_timestamp(struct cw1200_queue *queue, + unsigned long *timestamp, + u32 pending_frame_id) +{ + struct cw1200_queue_item *item; + bool ret; + + spin_lock_bh(&queue->lock); + ret = !list_empty(&queue->pending); + if (ret) { + list_for_each_entry(item, &queue->pending, head) { + if (item->packet_id != pending_frame_id) + if (time_before(item->xmit_timestamp, + *timestamp)) + *timestamp = item->xmit_timestamp; + } + } + spin_unlock_bh(&queue->lock); + return ret; +} + +bool cw1200_queue_stats_is_empty(struct cw1200_queue_stats *stats, + u32 link_id_map) +{ + bool empty = true; + + spin_lock_bh(&stats->lock); + if (link_id_map == (u32)-1) { + empty = stats->num_queued == 0; + } else { + int i; + for (i = 0; i < stats->map_capacity; ++i) { + if (link_id_map & BIT(i)) { + if (stats->link_map_cache[i]) { + empty = false; + break; + } + } + } + } + spin_unlock_bh(&stats->lock); + + return empty; +} diff --git a/drivers/net/wireless/cw1200/queue.h b/drivers/net/wireless/cw1200/queue.h new file mode 100644 index 000000000000..119f9c79c14e --- /dev/null +++ b/drivers/net/wireless/cw1200/queue.h @@ -0,0 +1,116 @@ +/* + * O(1) TX queue with built-in allocator for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_QUEUE_H_INCLUDED +#define CW1200_QUEUE_H_INCLUDED + +/* private */ struct cw1200_queue_item; + +/* extern */ struct sk_buff; +/* extern */ struct wsm_tx; +/* extern */ struct cw1200_common; +/* extern */ struct ieee80211_tx_queue_stats; +/* extern */ struct cw1200_txpriv; + +/* forward */ struct cw1200_queue_stats; + +typedef void (*cw1200_queue_skb_dtor_t)(struct cw1200_common *priv, + struct sk_buff *skb, + const struct cw1200_txpriv *txpriv); + +struct cw1200_queue { + struct cw1200_queue_stats *stats; + size_t capacity; + size_t num_queued; + size_t num_pending; + size_t num_sent; + struct cw1200_queue_item *pool; + struct list_head queue; + struct list_head free_pool; + struct list_head pending; + int tx_locked_cnt; + int *link_map_cache; + bool overfull; + spinlock_t lock; /* Protect queue entry */ + u8 queue_id; + u8 generation; + struct timer_list gc; + unsigned long ttl; +}; + +struct cw1200_queue_stats { + spinlock_t lock; /* Protect stats entry */ + int *link_map_cache; + int num_queued; + size_t map_capacity; + wait_queue_head_t wait_link_id_empty; + cw1200_queue_skb_dtor_t skb_dtor; + struct cw1200_common *priv; +}; + +struct cw1200_txpriv { + u8 link_id; + u8 raw_link_id; + u8 tid; + u8 rate_id; + u8 offset; +}; + +int cw1200_queue_stats_init(struct cw1200_queue_stats *stats, + size_t map_capacity, + cw1200_queue_skb_dtor_t skb_dtor, + struct cw1200_common *priv); +int cw1200_queue_init(struct cw1200_queue *queue, + struct cw1200_queue_stats *stats, + u8 queue_id, + size_t capacity, + unsigned long ttl); +int cw1200_queue_clear(struct cw1200_queue *queue); +void cw1200_queue_stats_deinit(struct cw1200_queue_stats *stats); +void cw1200_queue_deinit(struct cw1200_queue *queue); + +size_t cw1200_queue_get_num_queued(struct cw1200_queue *queue, + u32 link_id_map); +int cw1200_queue_put(struct cw1200_queue *queue, + struct sk_buff *skb, + struct cw1200_txpriv *txpriv); +int cw1200_queue_get(struct cw1200_queue *queue, + u32 link_id_map, + struct wsm_tx **tx, + struct ieee80211_tx_info **tx_info, + const struct cw1200_txpriv **txpriv); +int cw1200_queue_requeue(struct cw1200_queue *queue, u32 packet_id); +int cw1200_queue_requeue_all(struct cw1200_queue *queue); +int cw1200_queue_remove(struct cw1200_queue *queue, + u32 packet_id); +int cw1200_queue_get_skb(struct cw1200_queue *queue, u32 packet_id, + struct sk_buff **skb, + const struct cw1200_txpriv **txpriv); +void cw1200_queue_lock(struct cw1200_queue *queue); +void cw1200_queue_unlock(struct cw1200_queue *queue); +bool cw1200_queue_get_xmit_timestamp(struct cw1200_queue *queue, + unsigned long *timestamp, + u32 pending_frame_id); + +bool cw1200_queue_stats_is_empty(struct cw1200_queue_stats *stats, + u32 link_id_map); + +static inline u8 cw1200_queue_get_queue_id(u32 packet_id) +{ + return (packet_id >> 16) & 0xFF; +} + +static inline u8 cw1200_queue_get_generation(u32 packet_id) +{ + return (packet_id >> 8) & 0xFF; +} + +#endif /* CW1200_QUEUE_H_INCLUDED */ diff --git a/drivers/net/wireless/cw1200/scan.c b/drivers/net/wireless/cw1200/scan.c new file mode 100644 index 000000000000..ee3c19037aac --- /dev/null +++ b/drivers/net/wireless/cw1200/scan.c @@ -0,0 +1,461 @@ +/* + * Scan implementation for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/sched.h> +#include "cw1200.h" +#include "scan.h" +#include "sta.h" +#include "pm.h" + +static void cw1200_scan_restart_delayed(struct cw1200_common *priv); + +static int cw1200_scan_start(struct cw1200_common *priv, struct wsm_scan *scan) +{ + int ret, i; + int tmo = 2000; + + switch (priv->join_status) { + case CW1200_JOIN_STATUS_PRE_STA: + case CW1200_JOIN_STATUS_JOINING: + return -EBUSY; + default: + break; + } + + wiphy_dbg(priv->hw->wiphy, "[SCAN] hw req, type %d, %d channels, flags: 0x%x.\n", + scan->type, scan->num_channels, scan->flags); + + for (i = 0; i < scan->num_channels; ++i) + tmo += scan->ch[i].max_chan_time + 10; + + cancel_delayed_work_sync(&priv->clear_recent_scan_work); + atomic_set(&priv->scan.in_progress, 1); + atomic_set(&priv->recent_scan, 1); + cw1200_pm_stay_awake(&priv->pm_state, tmo * HZ / 1000); + queue_delayed_work(priv->workqueue, &priv->scan.timeout, + tmo * HZ / 1000); + ret = wsm_scan(priv, scan); + if (ret) { + atomic_set(&priv->scan.in_progress, 0); + cancel_delayed_work_sync(&priv->scan.timeout); + cw1200_scan_restart_delayed(priv); + } + return ret; +} + +int cw1200_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req) +{ + struct cw1200_common *priv = hw->priv; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_PROBE_REQUEST, + }; + int i, ret; + + if (!priv->vif) + return -EINVAL; + + /* Scan when P2P_GO corrupt firmware MiniAP mode */ + if (priv->join_status == CW1200_JOIN_STATUS_AP) + return -EOPNOTSUPP; + + if (req->n_ssids == 1 && !req->ssids[0].ssid_len) + req->n_ssids = 0; + + wiphy_dbg(hw->wiphy, "[SCAN] Scan request for %d SSIDs.\n", + req->n_ssids); + + if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS) + return -EINVAL; + + frame.skb = ieee80211_probereq_get(hw, priv->vif, NULL, 0, + req->ie_len); + if (!frame.skb) + return -ENOMEM; + + if (req->ie_len) + memcpy(skb_put(frame.skb, req->ie_len), req->ie, req->ie_len); + + /* will be unlocked in cw1200_scan_work() */ + down(&priv->scan.lock); + mutex_lock(&priv->conf_mutex); + + ret = wsm_set_template_frame(priv, &frame); + if (!ret) { + /* Host want to be the probe responder. */ + ret = wsm_set_probe_responder(priv, true); + } + if (ret) { + mutex_unlock(&priv->conf_mutex); + up(&priv->scan.lock); + dev_kfree_skb(frame.skb); + return ret; + } + + wsm_lock_tx(priv); + + BUG_ON(priv->scan.req); + priv->scan.req = req; + priv->scan.n_ssids = 0; + priv->scan.status = 0; + priv->scan.begin = &req->channels[0]; + priv->scan.curr = priv->scan.begin; + priv->scan.end = &req->channels[req->n_channels]; + priv->scan.output_power = priv->output_power; + + for (i = 0; i < req->n_ssids; ++i) { + struct wsm_ssid *dst = &priv->scan.ssids[priv->scan.n_ssids]; + memcpy(&dst->ssid[0], req->ssids[i].ssid, sizeof(dst->ssid)); + dst->length = req->ssids[i].ssid_len; + ++priv->scan.n_ssids; + } + + mutex_unlock(&priv->conf_mutex); + + if (frame.skb) + dev_kfree_skb(frame.skb); + queue_work(priv->workqueue, &priv->scan.work); + return 0; +} + +void cw1200_scan_work(struct work_struct *work) +{ + struct cw1200_common *priv = container_of(work, struct cw1200_common, + scan.work); + struct ieee80211_channel **it; + struct wsm_scan scan = { + .type = WSM_SCAN_TYPE_FOREGROUND, + .flags = WSM_SCAN_FLAG_SPLIT_METHOD, + }; + bool first_run = (priv->scan.begin == priv->scan.curr && + priv->scan.begin != priv->scan.end); + int i; + + if (first_run) { + /* Firmware gets crazy if scan request is sent + * when STA is joined but not yet associated. + * Force unjoin in this case. + */ + if (cancel_delayed_work_sync(&priv->join_timeout) > 0) + cw1200_join_timeout(&priv->join_timeout.work); + } + + mutex_lock(&priv->conf_mutex); + + if (first_run) { + if (priv->join_status == CW1200_JOIN_STATUS_STA && + !(priv->powersave_mode.mode & WSM_PSM_PS)) { + struct wsm_set_pm pm = priv->powersave_mode; + pm.mode = WSM_PSM_PS; + cw1200_set_pm(priv, &pm); + } else if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) { + /* FW bug: driver has to restart p2p-dev mode + * after scan + */ + cw1200_disable_listening(priv); + } + } + + if (!priv->scan.req || (priv->scan.curr == priv->scan.end)) { + if (priv->scan.output_power != priv->output_power) + wsm_set_output_power(priv, priv->output_power * 10); + if (priv->join_status == CW1200_JOIN_STATUS_STA && + !(priv->powersave_mode.mode & WSM_PSM_PS)) + cw1200_set_pm(priv, &priv->powersave_mode); + + if (priv->scan.status < 0) + wiphy_dbg(priv->hw->wiphy, "[SCAN] Scan failed (%d).\n", + priv->scan.status); + else if (priv->scan.req) + wiphy_dbg(priv->hw->wiphy, + "[SCAN] Scan completed.\n"); + else + wiphy_dbg(priv->hw->wiphy, + "[SCAN] Scan canceled.\n"); + + priv->scan.req = NULL; + cw1200_scan_restart_delayed(priv); + wsm_unlock_tx(priv); + mutex_unlock(&priv->conf_mutex); + ieee80211_scan_completed(priv->hw, priv->scan.status ? 1 : 0); + up(&priv->scan.lock); + return; + } else { + struct ieee80211_channel *first = *priv->scan.curr; + for (it = priv->scan.curr + 1, i = 1; + it != priv->scan.end && i < WSM_SCAN_MAX_NUM_OF_CHANNELS; + ++it, ++i) { + if ((*it)->band != first->band) + break; + if (((*it)->flags ^ first->flags) & + IEEE80211_CHAN_PASSIVE_SCAN) + break; + if (!(first->flags & IEEE80211_CHAN_PASSIVE_SCAN) && + (*it)->max_power != first->max_power) + break; + } + scan.band = first->band; + + if (priv->scan.req->no_cck) + scan.max_tx_rate = WSM_TRANSMIT_RATE_6; + else + scan.max_tx_rate = WSM_TRANSMIT_RATE_1; + scan.num_probes = + (first->flags & IEEE80211_CHAN_PASSIVE_SCAN) ? 0 : 2; + scan.num_ssids = priv->scan.n_ssids; + scan.ssids = &priv->scan.ssids[0]; + scan.num_channels = it - priv->scan.curr; + /* TODO: Is it optimal? */ + scan.probe_delay = 100; + /* It is not stated in WSM specification, however + * FW team says that driver may not use FG scan + * when joined. + */ + if (priv->join_status == CW1200_JOIN_STATUS_STA) { + scan.type = WSM_SCAN_TYPE_BACKGROUND; + scan.flags = WSM_SCAN_FLAG_FORCE_BACKGROUND; + } + scan.ch = kzalloc( + sizeof(struct wsm_scan_ch) * (it - priv->scan.curr), + GFP_KERNEL); + if (!scan.ch) { + priv->scan.status = -ENOMEM; + goto fail; + } + for (i = 0; i < scan.num_channels; ++i) { + scan.ch[i].number = priv->scan.curr[i]->hw_value; + if (priv->scan.curr[i]->flags & IEEE80211_CHAN_PASSIVE_SCAN) { + scan.ch[i].min_chan_time = 50; + scan.ch[i].max_chan_time = 100; + } else { + scan.ch[i].min_chan_time = 10; + scan.ch[i].max_chan_time = 25; + } + } + if (!(first->flags & IEEE80211_CHAN_PASSIVE_SCAN) && + priv->scan.output_power != first->max_power) { + priv->scan.output_power = first->max_power; + wsm_set_output_power(priv, + priv->scan.output_power * 10); + } + priv->scan.status = cw1200_scan_start(priv, &scan); + kfree(scan.ch); + if (priv->scan.status) + goto fail; + priv->scan.curr = it; + } + mutex_unlock(&priv->conf_mutex); + return; + +fail: + priv->scan.curr = priv->scan.end; + mutex_unlock(&priv->conf_mutex); + queue_work(priv->workqueue, &priv->scan.work); + return; +} + +static void cw1200_scan_restart_delayed(struct cw1200_common *priv) +{ + /* FW bug: driver has to restart p2p-dev mode after scan. */ + if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) { + cw1200_enable_listening(priv); + cw1200_update_filtering(priv); + } + + if (priv->delayed_unjoin) { + priv->delayed_unjoin = false; + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + } else if (priv->delayed_link_loss) { + wiphy_dbg(priv->hw->wiphy, "[CQM] Requeue BSS loss.\n"); + priv->delayed_link_loss = 0; + cw1200_cqm_bssloss_sm(priv, 1, 0, 0); + } +} + +static void cw1200_scan_complete(struct cw1200_common *priv) +{ + queue_delayed_work(priv->workqueue, &priv->clear_recent_scan_work, HZ); + if (priv->scan.direct_probe) { + wiphy_dbg(priv->hw->wiphy, "[SCAN] Direct probe complete.\n"); + cw1200_scan_restart_delayed(priv); + priv->scan.direct_probe = 0; + up(&priv->scan.lock); + wsm_unlock_tx(priv); + } else { + cw1200_scan_work(&priv->scan.work); + } +} + +void cw1200_scan_failed_cb(struct cw1200_common *priv) +{ + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) + /* STA is stopped. */ + return; + + if (cancel_delayed_work_sync(&priv->scan.timeout) > 0) { + priv->scan.status = -EIO; + queue_delayed_work(priv->workqueue, &priv->scan.timeout, 0); + } +} + + +void cw1200_scan_complete_cb(struct cw1200_common *priv, + struct wsm_scan_complete *arg) +{ + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) + /* STA is stopped. */ + return; + + if (cancel_delayed_work_sync(&priv->scan.timeout) > 0) { + priv->scan.status = 1; + queue_delayed_work(priv->workqueue, &priv->scan.timeout, 0); + } +} + +void cw1200_clear_recent_scan_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, + clear_recent_scan_work.work); + atomic_xchg(&priv->recent_scan, 0); +} + +void cw1200_scan_timeout(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, scan.timeout.work); + if (atomic_xchg(&priv->scan.in_progress, 0)) { + if (priv->scan.status > 0) { + priv->scan.status = 0; + } else if (!priv->scan.status) { + wiphy_warn(priv->hw->wiphy, + "Timeout waiting for scan complete notification.\n"); + priv->scan.status = -ETIMEDOUT; + priv->scan.curr = priv->scan.end; + wsm_stop_scan(priv); + } + cw1200_scan_complete(priv); + } +} + +void cw1200_probe_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, scan.probe_work.work); + u8 queue_id = cw1200_queue_get_queue_id(priv->pending_frame_id); + struct cw1200_queue *queue = &priv->tx_queue[queue_id]; + const struct cw1200_txpriv *txpriv; + struct wsm_tx *wsm; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_PROBE_REQUEST, + }; + struct wsm_ssid ssids[1] = {{ + .length = 0, + } }; + struct wsm_scan_ch ch[1] = {{ + .min_chan_time = 0, + .max_chan_time = 10, + } }; + struct wsm_scan scan = { + .type = WSM_SCAN_TYPE_FOREGROUND, + .num_probes = 1, + .probe_delay = 0, + .num_channels = 1, + .ssids = ssids, + .ch = ch, + }; + u8 *ies; + size_t ies_len; + int ret; + + wiphy_dbg(priv->hw->wiphy, "[SCAN] Direct probe work.\n"); + + mutex_lock(&priv->conf_mutex); + if (down_trylock(&priv->scan.lock)) { + /* Scan is already in progress. Requeue self. */ + schedule(); + queue_delayed_work(priv->workqueue, + &priv->scan.probe_work, HZ / 10); + mutex_unlock(&priv->conf_mutex); + return; + } + + /* Make sure we still have a pending probe req */ + if (cw1200_queue_get_skb(queue, priv->pending_frame_id, + &frame.skb, &txpriv)) { + up(&priv->scan.lock); + mutex_unlock(&priv->conf_mutex); + wsm_unlock_tx(priv); + return; + } + wsm = (struct wsm_tx *)frame.skb->data; + scan.max_tx_rate = wsm->max_tx_rate; + scan.band = (priv->channel->band == IEEE80211_BAND_5GHZ) ? + WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G; + if (priv->join_status == CW1200_JOIN_STATUS_STA || + priv->join_status == CW1200_JOIN_STATUS_IBSS) { + scan.type = WSM_SCAN_TYPE_BACKGROUND; + scan.flags = WSM_SCAN_FLAG_FORCE_BACKGROUND; + } + ch[0].number = priv->channel->hw_value; + + skb_pull(frame.skb, txpriv->offset); + + ies = &frame.skb->data[sizeof(struct ieee80211_hdr_3addr)]; + ies_len = frame.skb->len - sizeof(struct ieee80211_hdr_3addr); + + if (ies_len) { + u8 *ssidie = + (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ies, ies_len); + if (ssidie && ssidie[1] && ssidie[1] <= sizeof(ssids[0].ssid)) { + u8 *nextie = &ssidie[2 + ssidie[1]]; + /* Remove SSID from the IE list. It has to be provided + * as a separate argument in cw1200_scan_start call + */ + + /* Store SSID localy */ + ssids[0].length = ssidie[1]; + memcpy(ssids[0].ssid, &ssidie[2], ssids[0].length); + scan.num_ssids = 1; + + /* Remove SSID from IE list */ + ssidie[1] = 0; + memmove(&ssidie[2], nextie, &ies[ies_len] - nextie); + skb_trim(frame.skb, frame.skb->len - ssids[0].length); + } + } + + /* FW bug: driver has to restart p2p-dev mode after scan */ + if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) + cw1200_disable_listening(priv); + ret = wsm_set_template_frame(priv, &frame); + priv->scan.direct_probe = 1; + if (!ret) { + wsm_flush_tx(priv); + ret = cw1200_scan_start(priv, &scan); + } + mutex_unlock(&priv->conf_mutex); + + skb_push(frame.skb, txpriv->offset); + if (!ret) + IEEE80211_SKB_CB(frame.skb)->flags |= IEEE80211_TX_STAT_ACK; + BUG_ON(cw1200_queue_remove(queue, priv->pending_frame_id)); + + if (ret) { + priv->scan.direct_probe = 0; + up(&priv->scan.lock); + wsm_unlock_tx(priv); + } + + return; +} diff --git a/drivers/net/wireless/cw1200/scan.h b/drivers/net/wireless/cw1200/scan.h new file mode 100644 index 000000000000..5a8296ccfa82 --- /dev/null +++ b/drivers/net/wireless/cw1200/scan.h @@ -0,0 +1,56 @@ +/* + * Scan interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef SCAN_H_INCLUDED +#define SCAN_H_INCLUDED + +#include <linux/semaphore.h> +#include "wsm.h" + +/* external */ struct sk_buff; +/* external */ struct cfg80211_scan_request; +/* external */ struct ieee80211_channel; +/* external */ struct ieee80211_hw; +/* external */ struct work_struct; + +struct cw1200_scan { + struct semaphore lock; + struct work_struct work; + struct delayed_work timeout; + struct cfg80211_scan_request *req; + struct ieee80211_channel **begin; + struct ieee80211_channel **curr; + struct ieee80211_channel **end; + struct wsm_ssid ssids[WSM_SCAN_MAX_NUM_OF_SSIDS]; + int output_power; + int n_ssids; + int status; + atomic_t in_progress; + /* Direct probe requests workaround */ + struct delayed_work probe_work; + int direct_probe; +}; + +int cw1200_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct cfg80211_scan_request *req); +void cw1200_scan_work(struct work_struct *work); +void cw1200_scan_timeout(struct work_struct *work); +void cw1200_clear_recent_scan_work(struct work_struct *work); +void cw1200_scan_complete_cb(struct cw1200_common *priv, + struct wsm_scan_complete *arg); +void cw1200_scan_failed_cb(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* Raw probe requests TX workaround */ +void cw1200_probe_work(struct work_struct *work); + +#endif diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c new file mode 100644 index 000000000000..679c55f15c67 --- /dev/null +++ b/drivers/net/wireless/cw1200/sta.c @@ -0,0 +1,2406 @@ +/* + * Mac80211 STA API for ST-Ericsson CW1200 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/vmalloc.h> +#include <linux/sched.h> +#include <linux/firmware.h> +#include <linux/module.h> + +#include "cw1200.h" +#include "sta.h" +#include "fwio.h" +#include "bh.h" +#include "debug.h" + +#ifndef ERP_INFO_BYTE_OFFSET +#define ERP_INFO_BYTE_OFFSET 2 +#endif + +static void cw1200_do_join(struct cw1200_common *priv); +static void cw1200_do_unjoin(struct cw1200_common *priv); + +static int cw1200_upload_beacon(struct cw1200_common *priv); +static int cw1200_upload_pspoll(struct cw1200_common *priv); +static int cw1200_upload_null(struct cw1200_common *priv); +static int cw1200_upload_qosnull(struct cw1200_common *priv); +static int cw1200_start_ap(struct cw1200_common *priv); +static int cw1200_update_beaconing(struct cw1200_common *priv); +static int cw1200_enable_beaconing(struct cw1200_common *priv, + bool enable); +static void __cw1200_sta_notify(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + int link_id); +static int __cw1200_flush(struct cw1200_common *priv, bool drop); + +static inline void __cw1200_free_event_queue(struct list_head *list) +{ + struct cw1200_wsm_event *event, *tmp; + list_for_each_entry_safe(event, tmp, list, link) { + list_del(&event->link); + kfree(event); + } +} + +/* ******************************************************************** */ +/* STA API */ + +int cw1200_start(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + int ret = 0; + + cw1200_pm_stay_awake(&priv->pm_state, HZ); + + mutex_lock(&priv->conf_mutex); + + /* default EDCA */ + WSM_EDCA_SET(&priv->edca, 0, 0x0002, 0x0003, 0x0007, 47, 0xc8, false); + WSM_EDCA_SET(&priv->edca, 1, 0x0002, 0x0007, 0x000f, 94, 0xc8, false); + WSM_EDCA_SET(&priv->edca, 2, 0x0003, 0x000f, 0x03ff, 0, 0xc8, false); + WSM_EDCA_SET(&priv->edca, 3, 0x0007, 0x000f, 0x03ff, 0, 0xc8, false); + ret = wsm_set_edca_params(priv, &priv->edca); + if (ret) + goto out; + + ret = cw1200_set_uapsd_param(priv, &priv->edca); + if (ret) + goto out; + + priv->setbssparams_done = false; + + memcpy(priv->mac_addr, dev->wiphy->perm_addr, ETH_ALEN); + priv->mode = NL80211_IFTYPE_MONITOR; + priv->wep_default_key_id = -1; + + priv->cqm_beacon_loss_count = 10; + + ret = cw1200_setup_mac(priv); + if (ret) + goto out; + +out: + mutex_unlock(&priv->conf_mutex); + return ret; +} + +void cw1200_stop(struct ieee80211_hw *dev) +{ + struct cw1200_common *priv = dev->priv; + LIST_HEAD(list); + int i; + + wsm_lock_tx(priv); + + while (down_trylock(&priv->scan.lock)) { + /* Scan is in progress. Force it to stop. */ + priv->scan.req = NULL; + schedule(); + } + up(&priv->scan.lock); + + cancel_delayed_work_sync(&priv->scan.probe_work); + cancel_delayed_work_sync(&priv->scan.timeout); + cancel_delayed_work_sync(&priv->clear_recent_scan_work); + cancel_delayed_work_sync(&priv->join_timeout); + cw1200_cqm_bssloss_sm(priv, 0, 0, 0); + cancel_work_sync(&priv->unjoin_work); + cancel_delayed_work_sync(&priv->link_id_gc_work); + flush_workqueue(priv->workqueue); + del_timer_sync(&priv->mcast_timeout); + mutex_lock(&priv->conf_mutex); + priv->mode = NL80211_IFTYPE_UNSPECIFIED; + priv->listening = false; + + spin_lock(&priv->event_queue_lock); + list_splice_init(&priv->event_queue, &list); + spin_unlock(&priv->event_queue_lock); + __cw1200_free_event_queue(&list); + + + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + priv->join_pending = false; + + for (i = 0; i < 4; i++) + cw1200_queue_clear(&priv->tx_queue[i]); + mutex_unlock(&priv->conf_mutex); + tx_policy_clean(priv); + + /* HACK! */ + if (atomic_xchg(&priv->tx_lock, 1) != 1) + pr_debug("[STA] TX is force-unlocked due to stop request.\n"); + + wsm_unlock_tx(priv); + atomic_xchg(&priv->tx_lock, 0); /* for recovery to work */ +} + +static int cw1200_bssloss_mitigation = 1; +module_param(cw1200_bssloss_mitigation, int, 0644); +MODULE_PARM_DESC(cw1200_bssloss_mitigation, "BSS Loss mitigation. 0 == disabled, 1 == enabled (default)"); + + +void __cw1200_cqm_bssloss_sm(struct cw1200_common *priv, + int init, int good, int bad) +{ + int tx = 0; + + priv->delayed_link_loss = 0; + cancel_work_sync(&priv->bss_params_work); + + pr_debug("[STA] CQM BSSLOSS_SM: state: %d init %d good %d bad: %d txlock: %d uj: %d\n", + priv->bss_loss_state, + init, good, bad, + atomic_read(&priv->tx_lock), + priv->delayed_unjoin); + + /* If we have a pending unjoin */ + if (priv->delayed_unjoin) + return; + + if (init) { + queue_delayed_work(priv->workqueue, + &priv->bss_loss_work, + HZ); + priv->bss_loss_state = 0; + + /* Skip the confimration procedure in P2P case */ + if (!priv->vif->p2p && !atomic_read(&priv->tx_lock)) + tx = 1; + } else if (good) { + cancel_delayed_work_sync(&priv->bss_loss_work); + priv->bss_loss_state = 0; + queue_work(priv->workqueue, &priv->bss_params_work); + } else if (bad) { + /* XXX Should we just keep going until we time out? */ + if (priv->bss_loss_state < 3) + tx = 1; + } else { + cancel_delayed_work_sync(&priv->bss_loss_work); + priv->bss_loss_state = 0; + } + + /* Bypass mitigation if it's disabled */ + if (!cw1200_bssloss_mitigation) + tx = 0; + + /* Spit out a NULL packet to our AP if necessary */ + if (tx) { + struct sk_buff *skb; + + priv->bss_loss_state++; + + skb = ieee80211_nullfunc_get(priv->hw, priv->vif); + WARN_ON(!skb); + if (skb) + cw1200_tx(priv->hw, NULL, skb); + } +} + +int cw1200_add_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif) +{ + int ret; + struct cw1200_common *priv = dev->priv; + /* __le32 auto_calibration_mode = __cpu_to_le32(1); */ + + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | + IEEE80211_VIF_SUPPORTS_CQM_RSSI; + + mutex_lock(&priv->conf_mutex); + + if (priv->mode != NL80211_IFTYPE_MONITOR) { + mutex_unlock(&priv->conf_mutex); + return -EOPNOTSUPP; + } + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_AP: + priv->mode = vif->type; + break; + default: + mutex_unlock(&priv->conf_mutex); + return -EOPNOTSUPP; + } + + priv->vif = vif; + memcpy(priv->mac_addr, vif->addr, ETH_ALEN); + ret = cw1200_setup_mac(priv); + /* Enable auto-calibration */ + /* Exception in subsequent channel switch; disabled. + * wsm_write_mib(priv, WSM_MIB_ID_SET_AUTO_CALIBRATION_MODE, + * &auto_calibration_mode, sizeof(auto_calibration_mode)); + */ + + mutex_unlock(&priv->conf_mutex); + return ret; +} + +void cw1200_remove_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif) +{ + struct cw1200_common *priv = dev->priv; + struct wsm_reset reset = { + .reset_statistics = true, + }; + int i; + + mutex_lock(&priv->conf_mutex); + switch (priv->join_status) { + case CW1200_JOIN_STATUS_JOINING: + case CW1200_JOIN_STATUS_PRE_STA: + case CW1200_JOIN_STATUS_STA: + case CW1200_JOIN_STATUS_IBSS: + wsm_lock_tx(priv); + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + break; + case CW1200_JOIN_STATUS_AP: + for (i = 0; priv->link_id_map; ++i) { + if (priv->link_id_map & BIT(i)) { + reset.link_id = i; + wsm_reset(priv, &reset); + priv->link_id_map &= ~BIT(i); + } + } + memset(priv->link_id_db, 0, sizeof(priv->link_id_db)); + priv->sta_asleep_mask = 0; + priv->enable_beacon = false; + priv->tx_multicast = false; + priv->aid0_bit_set = false; + priv->buffered_multicasts = false; + priv->pspoll_mask = 0; + reset.link_id = 0; + wsm_reset(priv, &reset); + break; + case CW1200_JOIN_STATUS_MONITOR: + cw1200_update_listening(priv, false); + break; + default: + break; + } + priv->vif = NULL; + priv->mode = NL80211_IFTYPE_MONITOR; + memset(priv->mac_addr, 0, ETH_ALEN); + memset(&priv->p2p_ps_modeinfo, 0, sizeof(priv->p2p_ps_modeinfo)); + cw1200_free_keys(priv); + cw1200_setup_mac(priv); + priv->listening = false; + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + if (!__cw1200_flush(priv, true)) + wsm_unlock_tx(priv); + + mutex_unlock(&priv->conf_mutex); +} + +int cw1200_change_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + enum nl80211_iftype new_type, + bool p2p) +{ + int ret = 0; + pr_debug("change_interface new: %d (%d), old: %d (%d)\n", new_type, + p2p, vif->type, vif->p2p); + + if (new_type != vif->type || vif->p2p != p2p) { + cw1200_remove_interface(dev, vif); + vif->type = new_type; + vif->p2p = p2p; + ret = cw1200_add_interface(dev, vif); + } + + return ret; +} + +int cw1200_config(struct ieee80211_hw *dev, u32 changed) +{ + int ret = 0; + struct cw1200_common *priv = dev->priv; + struct ieee80211_conf *conf = &dev->conf; + + pr_debug("CONFIG CHANGED: %08x\n", changed); + + down(&priv->scan.lock); + mutex_lock(&priv->conf_mutex); + /* TODO: IEEE80211_CONF_CHANGE_QOS */ + /* TODO: IEEE80211_CONF_CHANGE_LISTEN_INTERVAL */ + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + priv->output_power = conf->power_level; + pr_debug("[STA] TX power: %d\n", priv->output_power); + wsm_set_output_power(priv, priv->output_power * 10); + } + + if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) && + (priv->channel != conf->chandef.chan)) { + struct ieee80211_channel *ch = conf->chandef.chan; + struct wsm_switch_channel channel = { + .channel_number = ch->hw_value, + }; + pr_debug("[STA] Freq %d (wsm ch: %d).\n", + ch->center_freq, ch->hw_value); + + /* __cw1200_flush() implicitly locks tx, if successful */ + if (!__cw1200_flush(priv, false)) { + if (!wsm_switch_channel(priv, &channel)) { + ret = wait_event_timeout(priv->channel_switch_done, + !priv->channel_switch_in_progress, + 3 * HZ); + if (ret) { + /* Already unlocks if successful */ + priv->channel = ch; + ret = 0; + } else { + ret = -ETIMEDOUT; + } + } else { + /* Unlock if switch channel fails */ + wsm_unlock_tx(priv); + } + } + } + + if (changed & IEEE80211_CONF_CHANGE_PS) { + if (!(conf->flags & IEEE80211_CONF_PS)) + priv->powersave_mode.mode = WSM_PSM_ACTIVE; + else if (conf->dynamic_ps_timeout <= 0) + priv->powersave_mode.mode = WSM_PSM_PS; + else + priv->powersave_mode.mode = WSM_PSM_FAST_PS; + + /* Firmware requires that value for this 1-byte field must + * be specified in units of 500us. Values above the 128ms + * threshold are not supported. + */ + if (conf->dynamic_ps_timeout >= 0x80) + priv->powersave_mode.fast_psm_idle_period = 0xFF; + else + priv->powersave_mode.fast_psm_idle_period = + conf->dynamic_ps_timeout << 1; + + if (priv->join_status == CW1200_JOIN_STATUS_STA && + priv->bss_params.aid) + cw1200_set_pm(priv, &priv->powersave_mode); + } + + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + /* TBD: It looks like it's transparent + * there's a monitor interface present -- use this + * to determine for example whether to calculate + * timestamps for packets or not, do not use instead + * of filter flags! + */ + } + + if (changed & IEEE80211_CONF_CHANGE_IDLE) { + struct wsm_operational_mode mode = { + .power_mode = cw1200_power_mode, + .disable_more_flag_usage = true, + }; + + wsm_lock_tx(priv); + /* Disable p2p-dev mode forced by TX request */ + if ((priv->join_status == CW1200_JOIN_STATUS_MONITOR) && + (conf->flags & IEEE80211_CONF_IDLE) && + !priv->listening) { + cw1200_disable_listening(priv); + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + } + wsm_set_operational_mode(priv, &mode); + wsm_unlock_tx(priv); + } + + if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { + pr_debug("[STA] Retry limits: %d (long), %d (short).\n", + conf->long_frame_max_tx_count, + conf->short_frame_max_tx_count); + spin_lock_bh(&priv->tx_policy_cache.lock); + priv->long_frame_max_tx_count = conf->long_frame_max_tx_count; + priv->short_frame_max_tx_count = + (conf->short_frame_max_tx_count < 0x0F) ? + conf->short_frame_max_tx_count : 0x0F; + priv->hw->max_rate_tries = priv->short_frame_max_tx_count; + spin_unlock_bh(&priv->tx_policy_cache.lock); + } + mutex_unlock(&priv->conf_mutex); + up(&priv->scan.lock); + return ret; +} + +void cw1200_update_filtering(struct cw1200_common *priv) +{ + int ret; + bool bssid_filtering = !priv->rx_filter.bssid; + bool is_p2p = priv->vif && priv->vif->p2p; + bool is_sta = priv->vif && NL80211_IFTYPE_STATION == priv->vif->type; + + static struct wsm_beacon_filter_control bf_ctrl; + static struct wsm_mib_beacon_filter_table bf_tbl = { + .entry[0].ie_id = WLAN_EID_VENDOR_SPECIFIC, + .entry[0].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED | + WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT | + WSM_BEACON_FILTER_IE_HAS_APPEARED, + .entry[0].oui[0] = 0x50, + .entry[0].oui[1] = 0x6F, + .entry[0].oui[2] = 0x9A, + .entry[1].ie_id = WLAN_EID_HT_OPERATION, + .entry[1].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED | + WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT | + WSM_BEACON_FILTER_IE_HAS_APPEARED, + .entry[2].ie_id = WLAN_EID_ERP_INFO, + .entry[2].flags = WSM_BEACON_FILTER_IE_HAS_CHANGED | + WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT | + WSM_BEACON_FILTER_IE_HAS_APPEARED, + }; + + if (priv->join_status == CW1200_JOIN_STATUS_PASSIVE) + return; + else if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) + bssid_filtering = false; + + if (priv->disable_beacon_filter) { + bf_ctrl.enabled = 0; + bf_ctrl.bcn_count = 1; + bf_tbl.num = __cpu_to_le32(0); + } else if (is_p2p || !is_sta) { + bf_ctrl.enabled = WSM_BEACON_FILTER_ENABLE | + WSM_BEACON_FILTER_AUTO_ERP; + bf_ctrl.bcn_count = 0; + bf_tbl.num = __cpu_to_le32(2); + } else { + bf_ctrl.enabled = WSM_BEACON_FILTER_ENABLE; + bf_ctrl.bcn_count = 0; + bf_tbl.num = __cpu_to_le32(3); + } + + /* + * When acting as p2p client being connected to p2p GO, in order to + * receive frames from a different p2p device, turn off bssid filter. + * + * WARNING: FW dependency! + * This can only be used with FW WSM371 and its successors. + * In that FW version even with bssid filter turned off, + * device will block most of the unwanted frames. + */ + if (is_p2p) + bssid_filtering = false; + + ret = wsm_set_rx_filter(priv, &priv->rx_filter); + if (!ret) + ret = wsm_set_beacon_filter_table(priv, &bf_tbl); + if (!ret) + ret = wsm_beacon_filter_control(priv, &bf_ctrl); + if (!ret) + ret = wsm_set_bssid_filtering(priv, bssid_filtering); + if (!ret) + ret = wsm_set_multicast_filter(priv, &priv->multicast_filter); + if (ret) + wiphy_err(priv->hw->wiphy, + "Update filtering failed: %d.\n", ret); + return; +} + +void cw1200_update_filtering_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, + update_filtering_work); + + cw1200_update_filtering(priv); +} + +void cw1200_set_beacon_wakeup_period_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, + set_beacon_wakeup_period_work); + + wsm_set_beacon_wakeup_period(priv, + priv->beacon_int * priv->join_dtim_period > + MAX_BEACON_SKIP_TIME_MS ? 1 : + priv->join_dtim_period, 0); +} + +u64 cw1200_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) +{ + static u8 broadcast_ipv6[ETH_ALEN] = { + 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 + }; + static u8 broadcast_ipv4[ETH_ALEN] = { + 0x01, 0x00, 0x5e, 0x00, 0x00, 0x01 + }; + struct cw1200_common *priv = hw->priv; + struct netdev_hw_addr *ha; + int count = 0; + + /* Disable multicast filtering */ + priv->has_multicast_subscription = false; + memset(&priv->multicast_filter, 0x00, sizeof(priv->multicast_filter)); + + if (netdev_hw_addr_list_count(mc_list) > WSM_MAX_GRP_ADDRTABLE_ENTRIES) + return 0; + + /* Enable if requested */ + netdev_hw_addr_list_for_each(ha, mc_list) { + pr_debug("[STA] multicast: %pM\n", ha->addr); + memcpy(&priv->multicast_filter.macaddrs[count], + ha->addr, ETH_ALEN); + if (memcmp(ha->addr, broadcast_ipv4, ETH_ALEN) && + memcmp(ha->addr, broadcast_ipv6, ETH_ALEN)) + priv->has_multicast_subscription = true; + count++; + } + + if (count) { + priv->multicast_filter.enable = __cpu_to_le32(1); + priv->multicast_filter.num_addrs = __cpu_to_le32(count); + } + + return netdev_hw_addr_list_count(mc_list); +} + +void cw1200_configure_filter(struct ieee80211_hw *dev, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast) +{ + struct cw1200_common *priv = dev->priv; + bool listening = !!(*total_flags & + (FIF_PROMISC_IN_BSS | + FIF_OTHER_BSS | + FIF_BCN_PRBRESP_PROMISC | + FIF_PROBE_REQ)); + + *total_flags &= FIF_PROMISC_IN_BSS | + FIF_OTHER_BSS | + FIF_FCSFAIL | + FIF_BCN_PRBRESP_PROMISC | + FIF_PROBE_REQ; + + down(&priv->scan.lock); + mutex_lock(&priv->conf_mutex); + + priv->rx_filter.promiscuous = (*total_flags & FIF_PROMISC_IN_BSS) + ? 1 : 0; + priv->rx_filter.bssid = (*total_flags & (FIF_OTHER_BSS | + FIF_PROBE_REQ)) ? 1 : 0; + priv->rx_filter.fcs = (*total_flags & FIF_FCSFAIL) ? 1 : 0; + priv->disable_beacon_filter = !(*total_flags & + (FIF_BCN_PRBRESP_PROMISC | + FIF_PROMISC_IN_BSS | + FIF_PROBE_REQ)); + if (priv->listening != listening) { + priv->listening = listening; + wsm_lock_tx(priv); + cw1200_update_listening(priv, listening); + wsm_unlock_tx(priv); + } + cw1200_update_filtering(priv); + mutex_unlock(&priv->conf_mutex); + up(&priv->scan.lock); +} + +int cw1200_conf_tx(struct ieee80211_hw *dev, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params) +{ + struct cw1200_common *priv = dev->priv; + int ret = 0; + /* To prevent re-applying PM request OID again and again*/ + bool old_uapsd_flags; + + mutex_lock(&priv->conf_mutex); + + if (queue < dev->queues) { + old_uapsd_flags = priv->uapsd_info.uapsd_flags; + + WSM_TX_QUEUE_SET(&priv->tx_queue_params, queue, 0, 0, 0); + ret = wsm_set_tx_queue_params(priv, + &priv->tx_queue_params.params[queue], queue); + if (ret) { + ret = -EINVAL; + goto out; + } + + WSM_EDCA_SET(&priv->edca, queue, params->aifs, + params->cw_min, params->cw_max, + params->txop, 0xc8, + params->uapsd); + ret = wsm_set_edca_params(priv, &priv->edca); + if (ret) { + ret = -EINVAL; + goto out; + } + + if (priv->mode == NL80211_IFTYPE_STATION) { + ret = cw1200_set_uapsd_param(priv, &priv->edca); + if (!ret && priv->setbssparams_done && + (priv->join_status == CW1200_JOIN_STATUS_STA) && + (old_uapsd_flags != priv->uapsd_info.uapsd_flags)) + ret = cw1200_set_pm(priv, &priv->powersave_mode); + } + } else { + ret = -EINVAL; + } + +out: + mutex_unlock(&priv->conf_mutex); + return ret; +} + +int cw1200_get_stats(struct ieee80211_hw *dev, + struct ieee80211_low_level_stats *stats) +{ + struct cw1200_common *priv = dev->priv; + + memcpy(stats, &priv->stats, sizeof(*stats)); + return 0; +} + +int cw1200_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg) +{ + struct wsm_set_pm pm = *arg; + + if (priv->uapsd_info.uapsd_flags != 0) + pm.mode &= ~WSM_PSM_FAST_PS_FLAG; + + if (memcmp(&pm, &priv->firmware_ps_mode, + sizeof(struct wsm_set_pm))) { + priv->firmware_ps_mode = pm; + return wsm_set_pm(priv, &pm); + } else { + return 0; + } +} + +int cw1200_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + int ret = -EOPNOTSUPP; + struct cw1200_common *priv = dev->priv; + struct ieee80211_key_seq seq; + + mutex_lock(&priv->conf_mutex); + + if (cmd == SET_KEY) { + u8 *peer_addr = NULL; + int pairwise = (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ? + 1 : 0; + int idx = cw1200_alloc_key(priv); + struct wsm_add_key *wsm_key = &priv->keys[idx]; + + if (idx < 0) { + ret = -EINVAL; + goto finally; + } + + if (sta) + peer_addr = sta->addr; + + key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + if (key->keylen > 16) { + cw1200_free_key(priv, idx); + ret = -EINVAL; + goto finally; + } + + if (pairwise) { + wsm_key->type = WSM_KEY_TYPE_WEP_PAIRWISE; + memcpy(wsm_key->wep_pairwise.peer, + peer_addr, ETH_ALEN); + memcpy(wsm_key->wep_pairwise.keydata, + &key->key[0], key->keylen); + wsm_key->wep_pairwise.keylen = key->keylen; + } else { + wsm_key->type = WSM_KEY_TYPE_WEP_DEFAULT; + memcpy(wsm_key->wep_group.keydata, + &key->key[0], key->keylen); + wsm_key->wep_group.keylen = key->keylen; + wsm_key->wep_group.keyid = key->keyidx; + } + break; + case WLAN_CIPHER_SUITE_TKIP: + ieee80211_get_key_rx_seq(key, 0, &seq); + if (pairwise) { + wsm_key->type = WSM_KEY_TYPE_TKIP_PAIRWISE; + memcpy(wsm_key->tkip_pairwise.peer, + peer_addr, ETH_ALEN); + memcpy(wsm_key->tkip_pairwise.keydata, + &key->key[0], 16); + memcpy(wsm_key->tkip_pairwise.tx_mic_key, + &key->key[16], 8); + memcpy(wsm_key->tkip_pairwise.rx_mic_key, + &key->key[24], 8); + } else { + size_t mic_offset = + (priv->mode == NL80211_IFTYPE_AP) ? + 16 : 24; + wsm_key->type = WSM_KEY_TYPE_TKIP_GROUP; + memcpy(wsm_key->tkip_group.keydata, + &key->key[0], 16); + memcpy(wsm_key->tkip_group.rx_mic_key, + &key->key[mic_offset], 8); + + wsm_key->tkip_group.rx_seqnum[0] = seq.tkip.iv16 & 0xff; + wsm_key->tkip_group.rx_seqnum[1] = (seq.tkip.iv16 >> 8) & 0xff; + wsm_key->tkip_group.rx_seqnum[2] = seq.tkip.iv32 & 0xff; + wsm_key->tkip_group.rx_seqnum[3] = (seq.tkip.iv32 >> 8) & 0xff; + wsm_key->tkip_group.rx_seqnum[4] = (seq.tkip.iv32 >> 16) & 0xff; + wsm_key->tkip_group.rx_seqnum[5] = (seq.tkip.iv32 >> 24) & 0xff; + wsm_key->tkip_group.rx_seqnum[6] = 0; + wsm_key->tkip_group.rx_seqnum[7] = 0; + + wsm_key->tkip_group.keyid = key->keyidx; + } + break; + case WLAN_CIPHER_SUITE_CCMP: + ieee80211_get_key_rx_seq(key, 0, &seq); + if (pairwise) { + wsm_key->type = WSM_KEY_TYPE_AES_PAIRWISE; + memcpy(wsm_key->aes_pairwise.peer, + peer_addr, ETH_ALEN); + memcpy(wsm_key->aes_pairwise.keydata, + &key->key[0], 16); + } else { + wsm_key->type = WSM_KEY_TYPE_AES_GROUP; + memcpy(wsm_key->aes_group.keydata, + &key->key[0], 16); + + wsm_key->aes_group.rx_seqnum[0] = seq.ccmp.pn[5]; + wsm_key->aes_group.rx_seqnum[1] = seq.ccmp.pn[4]; + wsm_key->aes_group.rx_seqnum[2] = seq.ccmp.pn[3]; + wsm_key->aes_group.rx_seqnum[3] = seq.ccmp.pn[2]; + wsm_key->aes_group.rx_seqnum[4] = seq.ccmp.pn[1]; + wsm_key->aes_group.rx_seqnum[5] = seq.ccmp.pn[0]; + wsm_key->aes_group.rx_seqnum[6] = 0; + wsm_key->aes_group.rx_seqnum[7] = 0; + wsm_key->aes_group.keyid = key->keyidx; + } + break; + case WLAN_CIPHER_SUITE_SMS4: + if (pairwise) { + wsm_key->type = WSM_KEY_TYPE_WAPI_PAIRWISE; + memcpy(wsm_key->wapi_pairwise.peer, + peer_addr, ETH_ALEN); + memcpy(wsm_key->wapi_pairwise.keydata, + &key->key[0], 16); + memcpy(wsm_key->wapi_pairwise.mic_key, + &key->key[16], 16); + wsm_key->wapi_pairwise.keyid = key->keyidx; + } else { + wsm_key->type = WSM_KEY_TYPE_WAPI_GROUP; + memcpy(wsm_key->wapi_group.keydata, + &key->key[0], 16); + memcpy(wsm_key->wapi_group.mic_key, + &key->key[16], 16); + wsm_key->wapi_group.keyid = key->keyidx; + } + break; + default: + pr_warn("Unhandled key type %d\n", key->cipher); + cw1200_free_key(priv, idx); + ret = -EOPNOTSUPP; + goto finally; + } + ret = wsm_add_key(priv, wsm_key); + if (!ret) + key->hw_key_idx = idx; + else + cw1200_free_key(priv, idx); + } else if (cmd == DISABLE_KEY) { + struct wsm_remove_key wsm_key = { + .index = key->hw_key_idx, + }; + + if (wsm_key.index > WSM_KEY_MAX_INDEX) { + ret = -EINVAL; + goto finally; + } + + cw1200_free_key(priv, wsm_key.index); + ret = wsm_remove_key(priv, &wsm_key); + } else { + pr_warn("Unhandled key command %d\n", cmd); + } + +finally: + mutex_unlock(&priv->conf_mutex); + return ret; +} + +void cw1200_wep_key_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, wep_key_work); + u8 queue_id = cw1200_queue_get_queue_id(priv->pending_frame_id); + struct cw1200_queue *queue = &priv->tx_queue[queue_id]; + __le32 wep_default_key_id = __cpu_to_le32( + priv->wep_default_key_id); + + pr_debug("[STA] Setting default WEP key: %d\n", + priv->wep_default_key_id); + wsm_flush_tx(priv); + wsm_write_mib(priv, WSM_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID, + &wep_default_key_id, sizeof(wep_default_key_id)); + cw1200_queue_requeue(queue, priv->pending_frame_id); + wsm_unlock_tx(priv); +} + +int cw1200_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +{ + int ret = 0; + __le32 val32; + struct cw1200_common *priv = hw->priv; + + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) + return 0; + + if (value != (u32) -1) + val32 = __cpu_to_le32(value); + else + val32 = 0; /* disabled */ + + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) { + /* device is down, can _not_ set threshold */ + ret = -ENODEV; + goto out; + } + + if (priv->rts_threshold == value) + goto out; + + pr_debug("[STA] Setting RTS threshold: %d\n", + priv->rts_threshold); + + /* mutex_lock(&priv->conf_mutex); */ + ret = wsm_write_mib(priv, WSM_MIB_ID_DOT11_RTS_THRESHOLD, + &val32, sizeof(val32)); + if (!ret) + priv->rts_threshold = value; + /* mutex_unlock(&priv->conf_mutex); */ + +out: + return ret; +} + +/* If successful, LOCKS the TX queue! */ +static int __cw1200_flush(struct cw1200_common *priv, bool drop) +{ + int i, ret; + + for (;;) { + /* TODO: correct flush handling is required when dev_stop. + * Temporary workaround: 2s + */ + if (drop) { + for (i = 0; i < 4; ++i) + cw1200_queue_clear(&priv->tx_queue[i]); + } else { + ret = wait_event_timeout( + priv->tx_queue_stats.wait_link_id_empty, + cw1200_queue_stats_is_empty( + &priv->tx_queue_stats, -1), + 2 * HZ); + } + + if (!drop && ret <= 0) { + ret = -ETIMEDOUT; + break; + } else { + ret = 0; + } + + wsm_lock_tx(priv); + if (!cw1200_queue_stats_is_empty(&priv->tx_queue_stats, -1)) { + /* Highly unlikely: WSM requeued frames. */ + wsm_unlock_tx(priv); + continue; + } + break; + } + return ret; +} + +void cw1200_flush(struct ieee80211_hw *hw, u32 queues, bool drop) +{ + struct cw1200_common *priv = hw->priv; + + switch (priv->mode) { + case NL80211_IFTYPE_MONITOR: + drop = true; + break; + case NL80211_IFTYPE_AP: + if (!priv->enable_beacon) + drop = true; + break; + } + + if (!__cw1200_flush(priv, drop)) + wsm_unlock_tx(priv); + + return; +} + +/* ******************************************************************** */ +/* WSM callbacks */ + +void cw1200_free_event_queue(struct cw1200_common *priv) +{ + LIST_HEAD(list); + + spin_lock(&priv->event_queue_lock); + list_splice_init(&priv->event_queue, &list); + spin_unlock(&priv->event_queue_lock); + + __cw1200_free_event_queue(&list); +} + +void cw1200_event_handler(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, event_handler); + struct cw1200_wsm_event *event; + LIST_HEAD(list); + + spin_lock(&priv->event_queue_lock); + list_splice_init(&priv->event_queue, &list); + spin_unlock(&priv->event_queue_lock); + + list_for_each_entry(event, &list, link) { + switch (event->evt.id) { + case WSM_EVENT_ERROR: + pr_err("Unhandled WSM Error from LMAC\n"); + break; + case WSM_EVENT_BSS_LOST: + pr_debug("[CQM] BSS lost.\n"); + cancel_work_sync(&priv->unjoin_work); + if (!down_trylock(&priv->scan.lock)) { + cw1200_cqm_bssloss_sm(priv, 1, 0, 0); + up(&priv->scan.lock); + } else { + /* Scan is in progress. Delay reporting. + * Scan complete will trigger bss_loss_work + */ + priv->delayed_link_loss = 1; + /* Also start a watchdog. */ + queue_delayed_work(priv->workqueue, + &priv->bss_loss_work, 5*HZ); + } + break; + case WSM_EVENT_BSS_REGAINED: + pr_debug("[CQM] BSS regained.\n"); + cw1200_cqm_bssloss_sm(priv, 0, 0, 0); + cancel_work_sync(&priv->unjoin_work); + break; + case WSM_EVENT_RADAR_DETECTED: + wiphy_info(priv->hw->wiphy, "radar pulse detected\n"); + break; + case WSM_EVENT_RCPI_RSSI: + { + /* RSSI: signed Q8.0, RCPI: unsigned Q7.1 + * RSSI = RCPI / 2 - 110 + */ + int rcpiRssi = (int)(event->evt.data & 0xFF); + int cqm_evt; + if (priv->cqm_use_rssi) + rcpiRssi = (s8)rcpiRssi; + else + rcpiRssi = rcpiRssi / 2 - 110; + + cqm_evt = (rcpiRssi <= priv->cqm_rssi_thold) ? + NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW : + NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; + pr_debug("[CQM] RSSI event: %d.\n", rcpiRssi); + ieee80211_cqm_rssi_notify(priv->vif, cqm_evt, + GFP_KERNEL); + break; + } + case WSM_EVENT_BT_INACTIVE: + pr_warn("Unhandled BT INACTIVE from LMAC\n"); + break; + case WSM_EVENT_BT_ACTIVE: + pr_warn("Unhandled BT ACTIVE from LMAC\n"); + break; + } + } + __cw1200_free_event_queue(&list); +} + +void cw1200_bss_loss_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, bss_loss_work.work); + + pr_debug("[CQM] Reporting connection loss.\n"); + wsm_lock_tx(priv); + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); +} + +void cw1200_bss_params_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, bss_params_work); + mutex_lock(&priv->conf_mutex); + + priv->bss_params.reset_beacon_loss = 1; + wsm_set_bss_params(priv, &priv->bss_params); + priv->bss_params.reset_beacon_loss = 0; + + mutex_unlock(&priv->conf_mutex); +} + +/* ******************************************************************** */ +/* Internal API */ + +/* + * This function is called to Parse the SDD file + * to extract listen_interval and PTA related information + * sdd is a TLV: u8 id, u8 len, u8 data[] + */ +static int cw1200_parse_sdd_file(struct cw1200_common *priv) +{ + const u8 *p = priv->sdd->data; + int ret = 0; + + while (p + 2 <= priv->sdd->data + priv->sdd->size) { + if (p + p[1] + 2 > priv->sdd->data + priv->sdd->size) { + pr_warn("Malformed sdd structure\n"); + return -1; + } + switch (p[0]) { + case SDD_PTA_CFG_ELT_ID: { + u16 v; + if (p[1] < 4) { + pr_warn("SDD_PTA_CFG_ELT_ID malformed\n"); + ret = -1; + break; + } + v = le16_to_cpu(*((u16 *)(p + 2))); + if (!v) /* non-zero means this is enabled */ + break; + + v = le16_to_cpu(*((u16 *)(p + 4))); + priv->conf_listen_interval = (v >> 7) & 0x1F; + pr_debug("PTA found; Listen Interval %d\n", + priv->conf_listen_interval); + break; + } + case SDD_REFERENCE_FREQUENCY_ELT_ID: { + u16 clk = le16_to_cpu(*((u16 *)(p + 2))); + if (clk != priv->hw_refclk) + pr_warn("SDD file doesn't match configured refclk (%d vs %d)\n", + clk, priv->hw_refclk); + break; + } + default: + break; + } + p += p[1] + 2; + } + + if (!priv->bt_present) { + pr_debug("PTA element NOT found.\n"); + priv->conf_listen_interval = 0; + } + return ret; +} + +int cw1200_setup_mac(struct cw1200_common *priv) +{ + int ret = 0; + + /* NOTE: There is a bug in FW: it reports signal + * as RSSI if RSSI subscription is enabled. + * It's not enough to set WSM_RCPI_RSSI_USE_RSSI. + * + * NOTE2: RSSI based reports have been switched to RCPI, since + * FW has a bug and RSSI reported values are not stable, + * what can leads to signal level oscilations in user-end applications + */ + struct wsm_rcpi_rssi_threshold threshold = { + .rssiRcpiMode = WSM_RCPI_RSSI_THRESHOLD_ENABLE | + WSM_RCPI_RSSI_DONT_USE_UPPER | + WSM_RCPI_RSSI_DONT_USE_LOWER, + .rollingAverageCount = 16, + }; + + struct wsm_configuration cfg = { + .dot11StationId = &priv->mac_addr[0], + }; + + /* Remember the decission here to make sure, we will handle + * the RCPI/RSSI value correctly on WSM_EVENT_RCPI_RSS + */ + if (threshold.rssiRcpiMode & WSM_RCPI_RSSI_USE_RSSI) + priv->cqm_use_rssi = true; + + if (!priv->sdd) { + ret = request_firmware(&priv->sdd, priv->sdd_path, priv->pdev); + if (ret) { + pr_err("Can't load sdd file %s.\n", priv->sdd_path); + return ret; + } + cw1200_parse_sdd_file(priv); + } + + cfg.dpdData = priv->sdd->data; + cfg.dpdData_size = priv->sdd->size; + ret = wsm_configuration(priv, &cfg); + if (ret) + return ret; + + /* Configure RSSI/SCPI reporting as RSSI. */ + wsm_set_rcpi_rssi_threshold(priv, &threshold); + + return 0; +} + +static void cw1200_join_complete(struct cw1200_common *priv) +{ + pr_debug("[STA] Join complete (%d)\n", priv->join_complete_status); + + priv->join_pending = false; + if (priv->join_complete_status) { + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + cw1200_update_listening(priv, priv->listening); + cw1200_do_unjoin(priv); + ieee80211_connection_loss(priv->vif); + } else { + if (priv->mode == NL80211_IFTYPE_ADHOC) + priv->join_status = CW1200_JOIN_STATUS_IBSS; + else + priv->join_status = CW1200_JOIN_STATUS_PRE_STA; + } + wsm_unlock_tx(priv); /* Clearing the lock held before do_join() */ +} + +void cw1200_join_complete_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, join_complete_work); + mutex_lock(&priv->conf_mutex); + cw1200_join_complete(priv); + mutex_unlock(&priv->conf_mutex); +} + +void cw1200_join_complete_cb(struct cw1200_common *priv, + struct wsm_join_complete *arg) +{ + pr_debug("[STA] cw1200_join_complete_cb called, status=%d.\n", + arg->status); + + if (cancel_delayed_work(&priv->join_timeout)) { + priv->join_complete_status = arg->status; + queue_work(priv->workqueue, &priv->join_complete_work); + } +} + +/* MUST be called with tx_lock held! It will be unlocked for us. */ +static void cw1200_do_join(struct cw1200_common *priv) +{ + const u8 *bssid; + struct ieee80211_bss_conf *conf = &priv->vif->bss_conf; + struct cfg80211_bss *bss = NULL; + struct wsm_protected_mgmt_policy mgmt_policy; + struct wsm_join join = { + .mode = conf->ibss_joined ? + WSM_JOIN_MODE_IBSS : WSM_JOIN_MODE_BSS, + .preamble_type = WSM_JOIN_PREAMBLE_LONG, + .probe_for_join = 1, + .atim_window = 0, + .basic_rate_set = cw1200_rate_mask_to_wsm(priv, + conf->basic_rates), + }; + if (delayed_work_pending(&priv->join_timeout)) { + pr_warn("[STA] - Join request already pending, skipping..\n"); + wsm_unlock_tx(priv); + return; + } + + if (priv->join_status) + cw1200_do_unjoin(priv); + + bssid = priv->vif->bss_conf.bssid; + + bss = cfg80211_get_bss(priv->hw->wiphy, priv->channel, + bssid, NULL, 0, 0, 0); + + if (!bss && !conf->ibss_joined) { + wsm_unlock_tx(priv); + return; + } + + mutex_lock(&priv->conf_mutex); + + /* Under the conf lock: check scan status and + * bail out if it is in progress. + */ + if (atomic_read(&priv->scan.in_progress)) { + wsm_unlock_tx(priv); + goto done_put; + } + + priv->join_pending = true; + + /* Sanity check basic rates */ + if (!join.basic_rate_set) + join.basic_rate_set = 7; + + /* Sanity check beacon interval */ + if (!priv->beacon_int) + priv->beacon_int = 1; + + join.beacon_interval = priv->beacon_int; + + /* BT Coex related changes */ + if (priv->bt_present) { + if (((priv->conf_listen_interval * 100) % + priv->beacon_int) == 0) + priv->listen_interval = + ((priv->conf_listen_interval * 100) / + priv->beacon_int); + else + priv->listen_interval = + ((priv->conf_listen_interval * 100) / + priv->beacon_int + 1); + } + + if (priv->hw->conf.ps_dtim_period) + priv->join_dtim_period = priv->hw->conf.ps_dtim_period; + join.dtim_period = priv->join_dtim_period; + + join.channel_number = priv->channel->hw_value; + join.band = (priv->channel->band == IEEE80211_BAND_5GHZ) ? + WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G; + + memcpy(join.bssid, bssid, sizeof(join.bssid)); + + pr_debug("[STA] Join BSSID: %pM DTIM: %d, interval: %d\n", + join.bssid, + join.dtim_period, priv->beacon_int); + + if (!conf->ibss_joined) { + const u8 *ssidie; + rcu_read_lock(); + ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); + if (ssidie) { + join.ssid_len = ssidie[1]; + memcpy(join.ssid, &ssidie[2], join.ssid_len); + } + rcu_read_unlock(); + } + + if (priv->vif->p2p) { + join.flags |= WSM_JOIN_FLAGS_P2P_GO; + join.basic_rate_set = + cw1200_rate_mask_to_wsm(priv, 0xFF0); + } + + /* Enable asynchronous join calls */ + if (!conf->ibss_joined) { + join.flags |= WSM_JOIN_FLAGS_FORCE; + join.flags |= WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND; + } + + wsm_flush_tx(priv); + + /* Stay Awake for Join and Auth Timeouts and a bit more */ + cw1200_pm_stay_awake(&priv->pm_state, + CW1200_JOIN_TIMEOUT + CW1200_AUTH_TIMEOUT); + + cw1200_update_listening(priv, false); + + /* Turn on Block ACKs */ + wsm_set_block_ack_policy(priv, priv->ba_tx_tid_mask, + priv->ba_rx_tid_mask); + + /* Set up timeout */ + if (join.flags & WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND) { + priv->join_status = CW1200_JOIN_STATUS_JOINING; + queue_delayed_work(priv->workqueue, + &priv->join_timeout, + CW1200_JOIN_TIMEOUT); + } + + /* 802.11w protected mgmt frames */ + mgmt_policy.protectedMgmtEnable = 0; + mgmt_policy.unprotectedMgmtFramesAllowed = 1; + mgmt_policy.encryptionForAuthFrame = 1; + wsm_set_protected_mgmt_policy(priv, &mgmt_policy); + + /* Perform actual join */ + if (wsm_join(priv, &join)) { + pr_err("[STA] cw1200_join_work: wsm_join failed!\n"); + cancel_delayed_work_sync(&priv->join_timeout); + cw1200_update_listening(priv, priv->listening); + /* Tx lock still held, unjoin will clear it. */ + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + } else { + if (!(join.flags & WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND)) + cw1200_join_complete(priv); /* Will clear tx_lock */ + + /* Upload keys */ + cw1200_upload_keys(priv); + + /* Due to beacon filtering it is possible that the + * AP's beacon is not known for the mac80211 stack. + * Disable filtering temporary to make sure the stack + * receives at least one + */ + priv->disable_beacon_filter = true; + } + cw1200_update_filtering(priv); + +done_put: + mutex_unlock(&priv->conf_mutex); + if (bss) + cfg80211_put_bss(priv->hw->wiphy, bss); +} + +void cw1200_join_timeout(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, join_timeout.work); + pr_debug("[WSM] Join timed out.\n"); + wsm_lock_tx(priv); + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); +} + +static void cw1200_do_unjoin(struct cw1200_common *priv) +{ + struct wsm_reset reset = { + .reset_statistics = true, + }; + + cancel_delayed_work_sync(&priv->join_timeout); + + mutex_lock(&priv->conf_mutex); + priv->join_pending = false; + + if (atomic_read(&priv->scan.in_progress)) { + if (priv->delayed_unjoin) + wiphy_dbg(priv->hw->wiphy, "Delayed unjoin is already scheduled.\n"); + else + priv->delayed_unjoin = true; + goto done; + } + + priv->delayed_link_loss = false; + + if (!priv->join_status) + goto done; + + if (priv->join_status > CW1200_JOIN_STATUS_IBSS) { + wiphy_err(priv->hw->wiphy, "Unexpected: join status: %d\n", + priv->join_status); + BUG_ON(1); + } + + cancel_work_sync(&priv->update_filtering_work); + cancel_work_sync(&priv->set_beacon_wakeup_period_work); + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + + /* Unjoin is a reset. */ + wsm_flush_tx(priv); + wsm_keep_alive_period(priv, 0); + wsm_reset(priv, &reset); + wsm_set_output_power(priv, priv->output_power * 10); + priv->join_dtim_period = 0; + cw1200_setup_mac(priv); + cw1200_free_event_queue(priv); + cancel_work_sync(&priv->event_handler); + cw1200_update_listening(priv, priv->listening); + cw1200_cqm_bssloss_sm(priv, 0, 0, 0); + + /* Disable Block ACKs */ + wsm_set_block_ack_policy(priv, 0, 0); + + priv->disable_beacon_filter = false; + cw1200_update_filtering(priv); + memset(&priv->association_mode, 0, + sizeof(priv->association_mode)); + memset(&priv->bss_params, 0, sizeof(priv->bss_params)); + priv->setbssparams_done = false; + memset(&priv->firmware_ps_mode, 0, + sizeof(priv->firmware_ps_mode)); + + pr_debug("[STA] Unjoin completed.\n"); + +done: + mutex_unlock(&priv->conf_mutex); +} + +void cw1200_unjoin_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, unjoin_work); + + cw1200_do_unjoin(priv); + + /* Tell the stack we're dead */ + ieee80211_connection_loss(priv->vif); + + wsm_unlock_tx(priv); +} + +int cw1200_enable_listening(struct cw1200_common *priv) +{ + struct wsm_start start = { + .mode = WSM_START_MODE_P2P_DEV, + .band = WSM_PHY_BAND_2_4G, + .beacon_interval = 100, + .dtim_period = 1, + .probe_delay = 0, + .basic_rate_set = 0x0F, + }; + + if (priv->channel) { + start.band = priv->channel->band == IEEE80211_BAND_5GHZ ? + WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G; + start.channel_number = priv->channel->hw_value; + } else { + start.band = WSM_PHY_BAND_2_4G; + start.channel_number = 1; + } + + return wsm_start(priv, &start); +} + +int cw1200_disable_listening(struct cw1200_common *priv) +{ + int ret; + struct wsm_reset reset = { + .reset_statistics = true, + }; + ret = wsm_reset(priv, &reset); + return ret; +} + +void cw1200_update_listening(struct cw1200_common *priv, bool enabled) +{ + if (enabled) { + if (priv->join_status == CW1200_JOIN_STATUS_PASSIVE) { + if (!cw1200_enable_listening(priv)) + priv->join_status = CW1200_JOIN_STATUS_MONITOR; + wsm_set_probe_responder(priv, true); + } + } else { + if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) { + if (!cw1200_disable_listening(priv)) + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + wsm_set_probe_responder(priv, false); + } + } +} + +int cw1200_set_uapsd_param(struct cw1200_common *priv, + const struct wsm_edca_params *arg) +{ + int ret; + u16 uapsd_flags = 0; + + /* Here's the mapping AC [queue, bit] + * VO [0,3], VI [1, 2], BE [2, 1], BK [3, 0] + */ + + if (arg->uapsd_enable[0]) + uapsd_flags |= 1 << 3; + + if (arg->uapsd_enable[1]) + uapsd_flags |= 1 << 2; + + if (arg->uapsd_enable[2]) + uapsd_flags |= 1 << 1; + + if (arg->uapsd_enable[3]) + uapsd_flags |= 1; + + /* Currently pseudo U-APSD operation is not supported, so setting + * MinAutoTriggerInterval, MaxAutoTriggerInterval and + * AutoTriggerStep to 0 + */ + + priv->uapsd_info.uapsd_flags = cpu_to_le16(uapsd_flags); + priv->uapsd_info.min_auto_trigger_interval = 0; + priv->uapsd_info.max_auto_trigger_interval = 0; + priv->uapsd_info.auto_trigger_step = 0; + + ret = wsm_set_uapsd_info(priv, &priv->uapsd_info); + return ret; +} + +/* ******************************************************************** */ +/* AP API */ + +int cw1200_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct cw1200_common *priv = hw->priv; + struct cw1200_sta_priv *sta_priv = + (struct cw1200_sta_priv *)&sta->drv_priv; + struct cw1200_link_entry *entry; + struct sk_buff *skb; + + if (priv->mode != NL80211_IFTYPE_AP) + return 0; + + sta_priv->link_id = cw1200_find_link_id(priv, sta->addr); + if (WARN_ON(!sta_priv->link_id)) { + wiphy_info(priv->hw->wiphy, + "[AP] No more link IDs available.\n"); + return -ENOENT; + } + + entry = &priv->link_id_db[sta_priv->link_id - 1]; + spin_lock_bh(&priv->ps_state_lock); + if ((sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) == + IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) + priv->sta_asleep_mask |= BIT(sta_priv->link_id); + entry->status = CW1200_LINK_HARD; + while ((skb = skb_dequeue(&entry->rx_queue))) + ieee80211_rx_irqsafe(priv->hw, skb); + spin_unlock_bh(&priv->ps_state_lock); + return 0; +} + +int cw1200_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct cw1200_common *priv = hw->priv; + struct cw1200_sta_priv *sta_priv = + (struct cw1200_sta_priv *)&sta->drv_priv; + struct cw1200_link_entry *entry; + + if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id) + return 0; + + entry = &priv->link_id_db[sta_priv->link_id - 1]; + spin_lock_bh(&priv->ps_state_lock); + entry->status = CW1200_LINK_RESERVE; + entry->timestamp = jiffies; + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, &priv->link_id_work) <= 0) + wsm_unlock_tx(priv); + spin_unlock_bh(&priv->ps_state_lock); + flush_workqueue(priv->workqueue); + return 0; +} + +static void __cw1200_sta_notify(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + int link_id) +{ + struct cw1200_common *priv = dev->priv; + u32 bit, prev; + + /* Zero link id means "for all link IDs" */ + if (link_id) + bit = BIT(link_id); + else if (WARN_ON_ONCE(notify_cmd != STA_NOTIFY_AWAKE)) + bit = 0; + else + bit = priv->link_id_map; + prev = priv->sta_asleep_mask & bit; + + switch (notify_cmd) { + case STA_NOTIFY_SLEEP: + if (!prev) { + if (priv->buffered_multicasts && + !priv->sta_asleep_mask) + queue_work(priv->workqueue, + &priv->multicast_start_work); + priv->sta_asleep_mask |= bit; + } + break; + case STA_NOTIFY_AWAKE: + if (prev) { + priv->sta_asleep_mask &= ~bit; + priv->pspoll_mask &= ~bit; + if (priv->tx_multicast && link_id && + !priv->sta_asleep_mask) + queue_work(priv->workqueue, + &priv->multicast_stop_work); + cw1200_bh_wakeup(priv); + } + break; + } +} + +void cw1200_sta_notify(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + struct ieee80211_sta *sta) +{ + struct cw1200_common *priv = dev->priv; + struct cw1200_sta_priv *sta_priv = + (struct cw1200_sta_priv *)&sta->drv_priv; + + spin_lock_bh(&priv->ps_state_lock); + __cw1200_sta_notify(dev, vif, notify_cmd, sta_priv->link_id); + spin_unlock_bh(&priv->ps_state_lock); +} + +static void cw1200_ps_notify(struct cw1200_common *priv, + int link_id, bool ps) +{ + if (link_id > CW1200_MAX_STA_IN_AP_MODE) + return; + + pr_debug("%s for LinkId: %d. STAs asleep: %.8X\n", + ps ? "Stop" : "Start", + link_id, priv->sta_asleep_mask); + + __cw1200_sta_notify(priv->hw, priv->vif, + ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id); +} + +static int cw1200_set_tim_impl(struct cw1200_common *priv, bool aid0_bit_set) +{ + struct sk_buff *skb; + struct wsm_update_ie update_ie = { + .what = WSM_UPDATE_IE_BEACON, + .count = 1, + }; + u16 tim_offset, tim_length; + + pr_debug("[AP] mcast: %s.\n", aid0_bit_set ? "ena" : "dis"); + + skb = ieee80211_beacon_get_tim(priv->hw, priv->vif, + &tim_offset, &tim_length); + if (!skb) { + if (!__cw1200_flush(priv, true)) + wsm_unlock_tx(priv); + return -ENOENT; + } + + if (tim_offset && tim_length >= 6) { + /* Ignore DTIM count from mac80211: + * firmware handles DTIM internally. + */ + skb->data[tim_offset + 2] = 0; + + /* Set/reset aid0 bit */ + if (aid0_bit_set) + skb->data[tim_offset + 4] |= 1; + else + skb->data[tim_offset + 4] &= ~1; + } + + update_ie.ies = &skb->data[tim_offset]; + update_ie.length = tim_length; + wsm_update_ie(priv, &update_ie); + + dev_kfree_skb(skb); + + return 0; +} + +void cw1200_set_tim_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, set_tim_work); + (void)cw1200_set_tim_impl(priv, priv->aid0_bit_set); +} + +int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, + bool set) +{ + struct cw1200_common *priv = dev->priv; + queue_work(priv->workqueue, &priv->set_tim_work); + return 0; +} + +void cw1200_set_cts_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, set_cts_work); + + u8 erp_ie[3] = {WLAN_EID_ERP_INFO, 0x1, 0}; + struct wsm_update_ie update_ie = { + .what = WSM_UPDATE_IE_BEACON, + .count = 1, + .ies = erp_ie, + .length = 3, + }; + u32 erp_info; + __le32 use_cts_prot; + mutex_lock(&priv->conf_mutex); + erp_info = priv->erp_info; + mutex_unlock(&priv->conf_mutex); + use_cts_prot = + erp_info & WLAN_ERP_USE_PROTECTION ? + __cpu_to_le32(1) : 0; + + erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info; + + pr_debug("[STA] ERP information 0x%x\n", erp_info); + + wsm_write_mib(priv, WSM_MIB_ID_NON_ERP_PROTECTION, + &use_cts_prot, sizeof(use_cts_prot)); + wsm_update_ie(priv, &update_ie); + + return; +} + +static int cw1200_set_btcoexinfo(struct cw1200_common *priv) +{ + struct wsm_override_internal_txrate arg; + int ret = 0; + + if (priv->mode == NL80211_IFTYPE_STATION) { + /* Plumb PSPOLL and NULL template */ + cw1200_upload_pspoll(priv); + cw1200_upload_null(priv); + cw1200_upload_qosnull(priv); + } else { + return 0; + } + + memset(&arg, 0, sizeof(struct wsm_override_internal_txrate)); + + if (!priv->vif->p2p) { + /* STATION mode */ + if (priv->bss_params.operational_rate_set & ~0xF) { + pr_debug("[STA] STA has ERP rates\n"); + /* G or BG mode */ + arg.internalTxRate = (__ffs( + priv->bss_params.operational_rate_set & ~0xF)); + } else { + pr_debug("[STA] STA has non ERP rates\n"); + /* B only mode */ + arg.internalTxRate = (__ffs(priv->association_mode.basic_rate_set)); + } + arg.nonErpInternalTxRate = (__ffs(priv->association_mode.basic_rate_set)); + } else { + /* P2P mode */ + arg.internalTxRate = (__ffs(priv->bss_params.operational_rate_set & ~0xF)); + arg.nonErpInternalTxRate = (__ffs(priv->bss_params.operational_rate_set & ~0xF)); + } + + pr_debug("[STA] BTCOEX_INFO MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n", + priv->mode, + arg.internalTxRate, + arg.nonErpInternalTxRate); + + ret = wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE, + &arg, sizeof(arg)); + + return ret; +} + +void cw1200_bss_info_changed(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u32 changed) +{ + struct cw1200_common *priv = dev->priv; + bool do_join = false; + + mutex_lock(&priv->conf_mutex); + + pr_debug("BSS CHANGED: %08x\n", changed); + + /* TODO: BSS_CHANGED_QOS */ + /* TODO: BSS_CHANGED_TXPOWER */ + + if (changed & BSS_CHANGED_ARP_FILTER) { + struct wsm_mib_arp_ipv4_filter filter = {0}; + int i; + + pr_debug("[STA] BSS_CHANGED_ARP_FILTER cnt: %d\n", + info->arp_addr_cnt); + + /* Currently only one IP address is supported by firmware. + * In case of more IPs arp filtering will be disabled. + */ + if (info->arp_addr_cnt > 0 && + info->arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) { + for (i = 0; i < info->arp_addr_cnt; i++) { + filter.ipv4addrs[i] = info->arp_addr_list[i]; + pr_debug("[STA] addr[%d]: 0x%X\n", + i, filter.ipv4addrs[i]); + } + filter.enable = __cpu_to_le32(1); + } + + pr_debug("[STA] arp ip filter enable: %d\n", + __le32_to_cpu(filter.enable)); + + wsm_set_arp_ipv4_filter(priv, &filter); + } + + if (changed & + (BSS_CHANGED_BEACON | + BSS_CHANGED_AP_PROBE_RESP | + BSS_CHANGED_BSSID | + BSS_CHANGED_SSID | + BSS_CHANGED_IBSS)) { + pr_debug("BSS_CHANGED_BEACON\n"); + priv->beacon_int = info->beacon_int; + cw1200_update_beaconing(priv); + cw1200_upload_beacon(priv); + } + + if (changed & BSS_CHANGED_BEACON_ENABLED) { + pr_debug("BSS_CHANGED_BEACON_ENABLED (%d)\n", info->enable_beacon); + + if (priv->enable_beacon != info->enable_beacon) { + cw1200_enable_beaconing(priv, info->enable_beacon); + priv->enable_beacon = info->enable_beacon; + } + } + + if (changed & BSS_CHANGED_BEACON_INT) { + pr_debug("CHANGED_BEACON_INT\n"); + if (info->ibss_joined) + do_join = true; + else if (priv->join_status == CW1200_JOIN_STATUS_AP) + cw1200_update_beaconing(priv); + } + + /* assoc/disassoc, or maybe AID changed */ + if (changed & BSS_CHANGED_ASSOC) { + wsm_lock_tx(priv); + priv->wep_default_key_id = -1; + wsm_unlock_tx(priv); + } + + if (changed & BSS_CHANGED_BSSID) { + pr_debug("BSS_CHANGED_BSSID\n"); + do_join = true; + } + + if (changed & + (BSS_CHANGED_ASSOC | + BSS_CHANGED_BSSID | + BSS_CHANGED_IBSS | + BSS_CHANGED_BASIC_RATES | + BSS_CHANGED_HT)) { + pr_debug("BSS_CHANGED_ASSOC\n"); + if (info->assoc) { + if (priv->join_status < CW1200_JOIN_STATUS_PRE_STA) { + ieee80211_connection_loss(vif); + mutex_unlock(&priv->conf_mutex); + return; + } else if (priv->join_status == CW1200_JOIN_STATUS_PRE_STA) { + priv->join_status = CW1200_JOIN_STATUS_STA; + } + } else { + do_join = true; + } + + if (info->assoc || info->ibss_joined) { + struct ieee80211_sta *sta = NULL; + u32 val = 0; + + if (info->dtim_period) + priv->join_dtim_period = info->dtim_period; + priv->beacon_int = info->beacon_int; + + rcu_read_lock(); + + if (info->bssid && !info->ibss_joined) + sta = ieee80211_find_sta(vif, info->bssid); + if (sta) { + priv->ht_info.ht_cap = sta->ht_cap; + priv->bss_params.operational_rate_set = + cw1200_rate_mask_to_wsm(priv, + sta->supp_rates[priv->channel->band]); + priv->ht_info.channel_type = cfg80211_get_chandef_type(&dev->conf.chandef); + priv->ht_info.operation_mode = info->ht_operation_mode; + } else { + memset(&priv->ht_info, 0, + sizeof(priv->ht_info)); + priv->bss_params.operational_rate_set = -1; + } + rcu_read_unlock(); + + /* Non Greenfield stations present */ + if (priv->ht_info.operation_mode & + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) + val |= WSM_NON_GREENFIELD_STA_PRESENT; + + /* Set HT protection method */ + val |= (priv->ht_info.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION) << 2; + + /* TODO: + * STBC_param.dual_cts + * STBC_param.LSIG_TXOP_FILL + */ + + val = cpu_to_le32(val); + wsm_write_mib(priv, WSM_MIB_ID_SET_HT_PROTECTION, + &val, sizeof(val)); + + priv->association_mode.greenfield = + cw1200_ht_greenfield(&priv->ht_info); + priv->association_mode.flags = + WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES | + WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE | + WSM_ASSOCIATION_MODE_USE_HT_MODE | + WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET | + WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING; + priv->association_mode.preamble = + info->use_short_preamble ? + WSM_JOIN_PREAMBLE_SHORT : + WSM_JOIN_PREAMBLE_LONG; + priv->association_mode.basic_rate_set = __cpu_to_le32( + cw1200_rate_mask_to_wsm(priv, + info->basic_rates)); + priv->association_mode.mpdu_start_spacing = + cw1200_ht_ampdu_density(&priv->ht_info); + + cw1200_cqm_bssloss_sm(priv, 0, 0, 0); + cancel_work_sync(&priv->unjoin_work); + + priv->bss_params.beacon_lost_count = priv->cqm_beacon_loss_count; + priv->bss_params.aid = info->aid; + + if (priv->join_dtim_period < 1) + priv->join_dtim_period = 1; + + pr_debug("[STA] DTIM %d, interval: %d\n", + priv->join_dtim_period, priv->beacon_int); + pr_debug("[STA] Preamble: %d, Greenfield: %d, Aid: %d, Rates: 0x%.8X, Basic: 0x%.8X\n", + priv->association_mode.preamble, + priv->association_mode.greenfield, + priv->bss_params.aid, + priv->bss_params.operational_rate_set, + priv->association_mode.basic_rate_set); + wsm_set_association_mode(priv, &priv->association_mode); + + if (!info->ibss_joined) { + wsm_keep_alive_period(priv, 30 /* sec */); + wsm_set_bss_params(priv, &priv->bss_params); + priv->setbssparams_done = true; + cw1200_set_beacon_wakeup_period_work(&priv->set_beacon_wakeup_period_work); + cw1200_set_pm(priv, &priv->powersave_mode); + } + if (priv->vif->p2p) { + pr_debug("[STA] Setting p2p powersave configuration.\n"); + wsm_set_p2p_ps_modeinfo(priv, + &priv->p2p_ps_modeinfo); + } + if (priv->bt_present) + cw1200_set_btcoexinfo(priv); + } else { + memset(&priv->association_mode, 0, + sizeof(priv->association_mode)); + memset(&priv->bss_params, 0, sizeof(priv->bss_params)); + } + } + + /* ERP Protection */ + if (changed & (BSS_CHANGED_ASSOC | + BSS_CHANGED_ERP_CTS_PROT | + BSS_CHANGED_ERP_PREAMBLE)) { + u32 prev_erp_info = priv->erp_info; + if (info->use_cts_prot) + priv->erp_info |= WLAN_ERP_USE_PROTECTION; + else if (!(prev_erp_info & WLAN_ERP_NON_ERP_PRESENT)) + priv->erp_info &= ~WLAN_ERP_USE_PROTECTION; + + if (info->use_short_preamble) + priv->erp_info |= WLAN_ERP_BARKER_PREAMBLE; + else + priv->erp_info &= ~WLAN_ERP_BARKER_PREAMBLE; + + pr_debug("[STA] ERP Protection: %x\n", priv->erp_info); + + if (prev_erp_info != priv->erp_info) + queue_work(priv->workqueue, &priv->set_cts_work); + } + + /* ERP Slottime */ + if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_SLOT)) { + __le32 slot_time = info->use_short_slot ? + __cpu_to_le32(9) : __cpu_to_le32(20); + pr_debug("[STA] Slot time: %d us.\n", + __le32_to_cpu(slot_time)); + wsm_write_mib(priv, WSM_MIB_ID_DOT11_SLOT_TIME, + &slot_time, sizeof(slot_time)); + } + + if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_CQM)) { + struct wsm_rcpi_rssi_threshold threshold = { + .rollingAverageCount = 8, + }; + pr_debug("[CQM] RSSI threshold subscribe: %d +- %d\n", + info->cqm_rssi_thold, info->cqm_rssi_hyst); + priv->cqm_rssi_thold = info->cqm_rssi_thold; + priv->cqm_rssi_hyst = info->cqm_rssi_hyst; + + if (info->cqm_rssi_thold || info->cqm_rssi_hyst) { + /* RSSI subscription enabled */ + /* TODO: It's not a correct way of setting threshold. + * Upper and lower must be set equal here and adjusted + * in callback. However current implementation is much + * more relaible and stable. + */ + + /* RSSI: signed Q8.0, RCPI: unsigned Q7.1 + * RSSI = RCPI / 2 - 110 + */ + if (priv->cqm_use_rssi) { + threshold.upperThreshold = + info->cqm_rssi_thold + info->cqm_rssi_hyst; + threshold.lowerThreshold = + info->cqm_rssi_thold; + threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI; + } else { + threshold.upperThreshold = (info->cqm_rssi_thold + info->cqm_rssi_hyst + 110) * 2; + threshold.lowerThreshold = (info->cqm_rssi_thold + 110) * 2; + } + threshold.rssiRcpiMode |= WSM_RCPI_RSSI_THRESHOLD_ENABLE; + } else { + /* There is a bug in FW, see sta.c. We have to enable + * dummy subscription to get correct RSSI values. + */ + threshold.rssiRcpiMode |= + WSM_RCPI_RSSI_THRESHOLD_ENABLE | + WSM_RCPI_RSSI_DONT_USE_UPPER | + WSM_RCPI_RSSI_DONT_USE_LOWER; + if (priv->cqm_use_rssi) + threshold.rssiRcpiMode |= WSM_RCPI_RSSI_USE_RSSI; + } + wsm_set_rcpi_rssi_threshold(priv, &threshold); + } + mutex_unlock(&priv->conf_mutex); + + if (do_join) { + wsm_lock_tx(priv); + cw1200_do_join(priv); /* Will unlock it for us */ + } +} + +void cw1200_multicast_start_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, multicast_start_work); + long tmo = priv->join_dtim_period * + (priv->beacon_int + 20) * HZ / 1024; + + cancel_work_sync(&priv->multicast_stop_work); + + if (!priv->aid0_bit_set) { + wsm_lock_tx(priv); + cw1200_set_tim_impl(priv, true); + priv->aid0_bit_set = true; + mod_timer(&priv->mcast_timeout, jiffies + tmo); + wsm_unlock_tx(priv); + } +} + +void cw1200_multicast_stop_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, multicast_stop_work); + + if (priv->aid0_bit_set) { + del_timer_sync(&priv->mcast_timeout); + wsm_lock_tx(priv); + priv->aid0_bit_set = false; + cw1200_set_tim_impl(priv, false); + wsm_unlock_tx(priv); + } +} + +void cw1200_mcast_timeout(unsigned long arg) +{ + struct cw1200_common *priv = + (struct cw1200_common *)arg; + + wiphy_warn(priv->hw->wiphy, + "Multicast delivery timeout.\n"); + spin_lock_bh(&priv->ps_state_lock); + priv->tx_multicast = priv->aid0_bit_set && + priv->buffered_multicasts; + if (priv->tx_multicast) + cw1200_bh_wakeup(priv); + spin_unlock_bh(&priv->ps_state_lock); +} + +int cw1200_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn, + u8 buf_size) +{ + /* Aggregation is implemented fully in firmware, + * including block ack negotiation. Do not allow + * mac80211 stack to do anything: it interferes with + * the firmware. + */ + + /* Note that we still need this function stubbed. */ + return -ENOTSUPP; +} + +/* ******************************************************************** */ +/* WSM callback */ +void cw1200_suspend_resume(struct cw1200_common *priv, + struct wsm_suspend_resume *arg) +{ + pr_debug("[AP] %s: %s\n", + arg->stop ? "stop" : "start", + arg->multicast ? "broadcast" : "unicast"); + + if (arg->multicast) { + bool cancel_tmo = false; + spin_lock_bh(&priv->ps_state_lock); + if (arg->stop) { + priv->tx_multicast = false; + } else { + /* Firmware sends this indication every DTIM if there + * is a STA in powersave connected. There is no reason + * to suspend, following wakeup will consume much more + * power than it could be saved. + */ + cw1200_pm_stay_awake(&priv->pm_state, + priv->join_dtim_period * + (priv->beacon_int + 20) * HZ / 1024); + priv->tx_multicast = (priv->aid0_bit_set && + priv->buffered_multicasts); + if (priv->tx_multicast) { + cancel_tmo = true; + cw1200_bh_wakeup(priv); + } + } + spin_unlock_bh(&priv->ps_state_lock); + if (cancel_tmo) + del_timer_sync(&priv->mcast_timeout); + } else { + spin_lock_bh(&priv->ps_state_lock); + cw1200_ps_notify(priv, arg->link_id, arg->stop); + spin_unlock_bh(&priv->ps_state_lock); + if (!arg->stop) + cw1200_bh_wakeup(priv); + } + return; +} + +/* ******************************************************************** */ +/* AP privates */ + +static int cw1200_upload_beacon(struct cw1200_common *priv) +{ + int ret = 0; + struct ieee80211_mgmt *mgmt; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_BEACON, + }; + + u16 tim_offset; + u16 tim_len; + + if (priv->mode == NL80211_IFTYPE_STATION || + priv->mode == NL80211_IFTYPE_MONITOR || + priv->mode == NL80211_IFTYPE_UNSPECIFIED) + goto done; + + if (priv->vif->p2p) + frame.rate = WSM_TRANSMIT_RATE_6; + + frame.skb = ieee80211_beacon_get_tim(priv->hw, priv->vif, + &tim_offset, &tim_len); + if (!frame.skb) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + if (ret) + goto done; + + /* TODO: Distill probe resp; remove TIM + * and any other beacon-specific IEs + */ + mgmt = (void *)frame.skb->data; + mgmt->frame_control = + __cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_PROBE_RESP); + + frame.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE; + if (priv->vif->p2p) { + ret = wsm_set_probe_responder(priv, true); + } else { + ret = wsm_set_template_frame(priv, &frame); + wsm_set_probe_responder(priv, false); + } + +done: + dev_kfree_skb(frame.skb); + + return ret; +} + +static int cw1200_upload_pspoll(struct cw1200_common *priv) +{ + int ret = 0; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_PS_POLL, + .rate = 0xFF, + }; + + + frame.skb = ieee80211_pspoll_get(priv->hw, priv->vif); + if (!frame.skb) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + dev_kfree_skb(frame.skb); + + return ret; +} + +static int cw1200_upload_null(struct cw1200_common *priv) +{ + int ret = 0; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_NULL, + .rate = 0xFF, + }; + + frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif); + if (!frame.skb) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + dev_kfree_skb(frame.skb); + + return ret; +} + +static int cw1200_upload_qosnull(struct cw1200_common *priv) +{ + int ret = 0; + /* TODO: This needs to be implemented + + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_QOS_NULL, + .rate = 0xFF, + }; + + frame.skb = ieee80211_qosnullfunc_get(priv->hw, priv->vif); + if (!frame.skb) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + dev_kfree_skb(frame.skb); + + */ + return ret; +} + +static int cw1200_enable_beaconing(struct cw1200_common *priv, + bool enable) +{ + struct wsm_beacon_transmit transmit = { + .enable_beaconing = enable, + }; + + return wsm_beacon_transmit(priv, &transmit); +} + +static int cw1200_start_ap(struct cw1200_common *priv) +{ + int ret; + struct ieee80211_bss_conf *conf = &priv->vif->bss_conf; + struct wsm_start start = { + .mode = priv->vif->p2p ? + WSM_START_MODE_P2P_GO : WSM_START_MODE_AP, + .band = (priv->channel->band == IEEE80211_BAND_5GHZ) ? + WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G, + .channel_number = priv->channel->hw_value, + .beacon_interval = conf->beacon_int, + .dtim_period = conf->dtim_period, + .preamble = conf->use_short_preamble ? + WSM_JOIN_PREAMBLE_SHORT : + WSM_JOIN_PREAMBLE_LONG, + .probe_delay = 100, + .basic_rate_set = cw1200_rate_mask_to_wsm(priv, + conf->basic_rates), + }; + struct wsm_operational_mode mode = { + .power_mode = cw1200_power_mode, + .disable_more_flag_usage = true, + }; + + memset(start.ssid, 0, sizeof(start.ssid)); + if (!conf->hidden_ssid) { + start.ssid_len = conf->ssid_len; + memcpy(start.ssid, conf->ssid, start.ssid_len); + } + + priv->beacon_int = conf->beacon_int; + priv->join_dtim_period = conf->dtim_period; + + memset(&priv->link_id_db, 0, sizeof(priv->link_id_db)); + + pr_debug("[AP] ch: %d(%d), bcn: %d(%d), brt: 0x%.8X, ssid: %.*s.\n", + start.channel_number, start.band, + start.beacon_interval, start.dtim_period, + start.basic_rate_set, + start.ssid_len, start.ssid); + ret = wsm_start(priv, &start); + if (!ret) + ret = cw1200_upload_keys(priv); + if (!ret && priv->vif->p2p) { + pr_debug("[AP] Setting p2p powersave configuration.\n"); + wsm_set_p2p_ps_modeinfo(priv, &priv->p2p_ps_modeinfo); + } + if (!ret) { + wsm_set_block_ack_policy(priv, 0, 0); + priv->join_status = CW1200_JOIN_STATUS_AP; + cw1200_update_filtering(priv); + } + wsm_set_operational_mode(priv, &mode); + return ret; +} + +static int cw1200_update_beaconing(struct cw1200_common *priv) +{ + struct ieee80211_bss_conf *conf = &priv->vif->bss_conf; + struct wsm_reset reset = { + .link_id = 0, + .reset_statistics = true, + }; + + if (priv->mode == NL80211_IFTYPE_AP) { + /* TODO: check if changed channel, band */ + if (priv->join_status != CW1200_JOIN_STATUS_AP || + priv->beacon_int != conf->beacon_int) { + pr_debug("ap restarting\n"); + wsm_lock_tx(priv); + if (priv->join_status != CW1200_JOIN_STATUS_PASSIVE) + wsm_reset(priv, &reset); + priv->join_status = CW1200_JOIN_STATUS_PASSIVE; + cw1200_start_ap(priv); + wsm_unlock_tx(priv); + } else + pr_debug("ap started join_status: %d\n", + priv->join_status); + } + return 0; +} diff --git a/drivers/net/wireless/cw1200/sta.h b/drivers/net/wireless/cw1200/sta.h new file mode 100644 index 000000000000..35babb62cc6a --- /dev/null +++ b/drivers/net/wireless/cw1200/sta.h @@ -0,0 +1,123 @@ +/* + * Mac80211 STA interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef STA_H_INCLUDED +#define STA_H_INCLUDED + +/* ******************************************************************** */ +/* mac80211 API */ + +int cw1200_start(struct ieee80211_hw *dev); +void cw1200_stop(struct ieee80211_hw *dev); +int cw1200_add_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif); +void cw1200_remove_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif); +int cw1200_change_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + enum nl80211_iftype new_type, + bool p2p); +int cw1200_config(struct ieee80211_hw *dev, u32 changed); +void cw1200_configure_filter(struct ieee80211_hw *dev, + unsigned int changed_flags, + unsigned int *total_flags, + u64 multicast); +int cw1200_conf_tx(struct ieee80211_hw *dev, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params); +int cw1200_get_stats(struct ieee80211_hw *dev, + struct ieee80211_low_level_stats *stats); +int cw1200_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key); + +int cw1200_set_rts_threshold(struct ieee80211_hw *hw, u32 value); + +void cw1200_flush(struct ieee80211_hw *hw, u32 queues, bool drop); + +u64 cw1200_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list); + +int cw1200_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg); + +/* ******************************************************************** */ +/* WSM callbacks */ + +void cw1200_join_complete_cb(struct cw1200_common *priv, + struct wsm_join_complete *arg); + +/* ******************************************************************** */ +/* WSM events */ + +void cw1200_free_event_queue(struct cw1200_common *priv); +void cw1200_event_handler(struct work_struct *work); +void cw1200_bss_loss_work(struct work_struct *work); +void cw1200_bss_params_work(struct work_struct *work); +void cw1200_keep_alive_work(struct work_struct *work); +void cw1200_tx_failure_work(struct work_struct *work); + +void __cw1200_cqm_bssloss_sm(struct cw1200_common *priv, int init, int good, + int bad); +static inline void cw1200_cqm_bssloss_sm(struct cw1200_common *priv, + int init, int good, int bad) +{ + spin_lock(&priv->bss_loss_lock); + __cw1200_cqm_bssloss_sm(priv, init, good, bad); + spin_unlock(&priv->bss_loss_lock); +} + +/* ******************************************************************** */ +/* Internal API */ + +int cw1200_setup_mac(struct cw1200_common *priv); +void cw1200_join_timeout(struct work_struct *work); +void cw1200_unjoin_work(struct work_struct *work); +void cw1200_join_complete_work(struct work_struct *work); +void cw1200_wep_key_work(struct work_struct *work); +void cw1200_update_listening(struct cw1200_common *priv, bool enabled); +void cw1200_update_filtering(struct cw1200_common *priv); +void cw1200_update_filtering_work(struct work_struct *work); +void cw1200_set_beacon_wakeup_period_work(struct work_struct *work); +int cw1200_enable_listening(struct cw1200_common *priv); +int cw1200_disable_listening(struct cw1200_common *priv); +int cw1200_set_uapsd_param(struct cw1200_common *priv, + const struct wsm_edca_params *arg); +void cw1200_ba_work(struct work_struct *work); +void cw1200_ba_timer(unsigned long arg); + +/* AP stuffs */ +int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, + bool set); +int cw1200_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int cw1200_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void cw1200_sta_notify(struct ieee80211_hw *dev, struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + struct ieee80211_sta *sta); +void cw1200_bss_info_changed(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, + u32 changed); +int cw1200_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn, + u8 buf_size); + +void cw1200_suspend_resume(struct cw1200_common *priv, + struct wsm_suspend_resume *arg); +void cw1200_set_tim_work(struct work_struct *work); +void cw1200_set_cts_work(struct work_struct *work); +void cw1200_multicast_start_work(struct work_struct *work); +void cw1200_multicast_stop_work(struct work_struct *work); +void cw1200_mcast_timeout(unsigned long arg); + +#endif diff --git a/drivers/net/wireless/cw1200/txrx.c b/drivers/net/wireless/cw1200/txrx.c new file mode 100644 index 000000000000..0e40890e1993 --- /dev/null +++ b/drivers/net/wireless/cw1200/txrx.c @@ -0,0 +1,1474 @@ +/* + * Datapath implementation for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <net/mac80211.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> + +#include "cw1200.h" +#include "wsm.h" +#include "bh.h" +#include "sta.h" +#include "debug.h" + +#define CW1200_INVALID_RATE_ID (0xFF) + +static int cw1200_handle_action_rx(struct cw1200_common *priv, + struct sk_buff *skb); +static const struct ieee80211_rate * +cw1200_get_tx_rate(const struct cw1200_common *priv, + const struct ieee80211_tx_rate *rate); + +/* ******************************************************************** */ +/* TX queue lock / unlock */ + +static inline void cw1200_tx_queues_lock(struct cw1200_common *priv) +{ + int i; + for (i = 0; i < 4; ++i) + cw1200_queue_lock(&priv->tx_queue[i]); +} + +static inline void cw1200_tx_queues_unlock(struct cw1200_common *priv) +{ + int i; + for (i = 0; i < 4; ++i) + cw1200_queue_unlock(&priv->tx_queue[i]); +} + +/* ******************************************************************** */ +/* TX policy cache implementation */ + +static void tx_policy_dump(struct tx_policy *policy) +{ + pr_debug("[TX policy] %.1X%.1X%.1X%.1X%.1X%.1X%.1X%.1X %.1X%.1X%.1X%.1X%.1X%.1X%.1X%.1X %.1X%.1X%.1X%.1X%.1X%.1X%.1X%.1X: %d\n", + policy->raw[0] & 0x0F, policy->raw[0] >> 4, + policy->raw[1] & 0x0F, policy->raw[1] >> 4, + policy->raw[2] & 0x0F, policy->raw[2] >> 4, + policy->raw[3] & 0x0F, policy->raw[3] >> 4, + policy->raw[4] & 0x0F, policy->raw[4] >> 4, + policy->raw[5] & 0x0F, policy->raw[5] >> 4, + policy->raw[6] & 0x0F, policy->raw[6] >> 4, + policy->raw[7] & 0x0F, policy->raw[7] >> 4, + policy->raw[8] & 0x0F, policy->raw[8] >> 4, + policy->raw[9] & 0x0F, policy->raw[9] >> 4, + policy->raw[10] & 0x0F, policy->raw[10] >> 4, + policy->raw[11] & 0x0F, policy->raw[11] >> 4, + policy->defined); +} + +static void tx_policy_build(const struct cw1200_common *priv, + /* [out] */ struct tx_policy *policy, + struct ieee80211_tx_rate *rates, size_t count) +{ + int i, j; + unsigned limit = priv->short_frame_max_tx_count; + unsigned total = 0; + BUG_ON(rates[0].idx < 0); + memset(policy, 0, sizeof(*policy)); + + /* minstrel is buggy a little bit, so distille + * incoming rates first. */ + + /* Sort rates in descending order. */ + for (i = 1; i < count; ++i) { + if (rates[i].idx < 0) { + count = i; + break; + } + if (rates[i].idx > rates[i - 1].idx) { + struct ieee80211_tx_rate tmp = rates[i - 1]; + rates[i - 1] = rates[i]; + rates[i] = tmp; + } + } + + /* Eliminate duplicates. */ + total = rates[0].count; + for (i = 0, j = 1; j < count; ++j) { + if (rates[j].idx == rates[i].idx) { + rates[i].count += rates[j].count; + } else if (rates[j].idx > rates[i].idx) { + break; + } else { + ++i; + if (i != j) + rates[i] = rates[j]; + } + total += rates[j].count; + } + count = i + 1; + + /* Re-fill policy trying to keep every requested rate and with + * respect to the global max tx retransmission count. */ + if (limit < count) + limit = count; + if (total > limit) { + for (i = 0; i < count; ++i) { + int left = count - i - 1; + if (rates[i].count > limit - left) + rates[i].count = limit - left; + limit -= rates[i].count; + } + } + + /* HACK!!! Device has problems (at least) switching from + * 54Mbps CTS to 1Mbps. This switch takes enormous amount + * of time (100-200 ms), leading to valuable throughput drop. + * As a workaround, additional g-rates are injected to the + * policy. + */ + if (count == 2 && !(rates[0].flags & IEEE80211_TX_RC_MCS) && + rates[0].idx > 4 && rates[0].count > 2 && + rates[1].idx < 2) { + /* ">> 1" is an equivalent of "/ 2", but faster */ + int mid_rate = (rates[0].idx + 4) >> 1; + + /* Decrease number of retries for the initial rate */ + rates[0].count -= 2; + + if (mid_rate != 4) { + /* Keep fallback rate at 1Mbps. */ + rates[3] = rates[1]; + + /* Inject 1 transmission on lowest g-rate */ + rates[2].idx = 4; + rates[2].count = 1; + rates[2].flags = rates[1].flags; + + /* Inject 1 transmission on mid-rate */ + rates[1].idx = mid_rate; + rates[1].count = 1; + + /* Fallback to 1 Mbps is a really bad thing, + * so let's try to increase probability of + * successful transmission on the lowest g rate + * even more */ + if (rates[0].count >= 3) { + --rates[0].count; + ++rates[2].count; + } + + /* Adjust amount of rates defined */ + count += 2; + } else { + /* Keep fallback rate at 1Mbps. */ + rates[2] = rates[1]; + + /* Inject 2 transmissions on lowest g-rate */ + rates[1].idx = 4; + rates[1].count = 2; + + /* Adjust amount of rates defined */ + count += 1; + } + } + + policy->defined = cw1200_get_tx_rate(priv, &rates[0])->hw_value + 1; + + for (i = 0; i < count; ++i) { + register unsigned rateid, off, shift, retries; + + rateid = cw1200_get_tx_rate(priv, &rates[i])->hw_value; + off = rateid >> 3; /* eq. rateid / 8 */ + shift = (rateid & 0x07) << 2; /* eq. (rateid % 8) * 4 */ + + retries = rates[i].count; + if (retries > 0x0F) { + rates[i].count = 0x0f; + retries = 0x0F; + } + policy->tbl[off] |= __cpu_to_le32(retries << shift); + policy->retry_count += retries; + } + + pr_debug("[TX policy] Policy (%zu): %d:%d, %d:%d, %d:%d, %d:%d, %d:%d\n", + count, + rates[0].idx, rates[0].count, + rates[1].idx, rates[1].count, + rates[2].idx, rates[2].count, + rates[3].idx, rates[3].count, + rates[4].idx, rates[4].count); +} + +static inline bool tx_policy_is_equal(const struct tx_policy *wanted, + const struct tx_policy *cached) +{ + size_t count = wanted->defined >> 1; + if (wanted->defined > cached->defined) + return false; + if (count) { + if (memcmp(wanted->raw, cached->raw, count)) + return false; + } + if (wanted->defined & 1) { + if ((wanted->raw[count] & 0x0F) != (cached->raw[count] & 0x0F)) + return false; + } + return true; +} + +static int tx_policy_find(struct tx_policy_cache *cache, + const struct tx_policy *wanted) +{ + /* O(n) complexity. Not so good, but there's only 8 entries in + * the cache. + * Also lru helps to reduce search time. */ + struct tx_policy_cache_entry *it; + /* First search for policy in "used" list */ + list_for_each_entry(it, &cache->used, link) { + if (tx_policy_is_equal(wanted, &it->policy)) + return it - cache->cache; + } + /* Then - in "free list" */ + list_for_each_entry(it, &cache->free, link) { + if (tx_policy_is_equal(wanted, &it->policy)) + return it - cache->cache; + } + return -1; +} + +static inline void tx_policy_use(struct tx_policy_cache *cache, + struct tx_policy_cache_entry *entry) +{ + ++entry->policy.usage_count; + list_move(&entry->link, &cache->used); +} + +static inline int tx_policy_release(struct tx_policy_cache *cache, + struct tx_policy_cache_entry *entry) +{ + int ret = --entry->policy.usage_count; + if (!ret) + list_move(&entry->link, &cache->free); + return ret; +} + +void tx_policy_clean(struct cw1200_common *priv) +{ + int idx, locked; + struct tx_policy_cache *cache = &priv->tx_policy_cache; + struct tx_policy_cache_entry *entry; + + cw1200_tx_queues_lock(priv); + spin_lock_bh(&cache->lock); + locked = list_empty(&cache->free); + + for (idx = 0; idx < TX_POLICY_CACHE_SIZE; idx++) { + entry = &cache->cache[idx]; + /* Policy usage count should be 0 at this time as all queues + should be empty */ + if (WARN_ON(entry->policy.usage_count)) { + entry->policy.usage_count = 0; + list_move(&entry->link, &cache->free); + } + memset(&entry->policy, 0, sizeof(entry->policy)); + } + if (locked) + cw1200_tx_queues_unlock(priv); + + cw1200_tx_queues_unlock(priv); + spin_unlock_bh(&cache->lock); +} + +/* ******************************************************************** */ +/* External TX policy cache API */ + +void tx_policy_init(struct cw1200_common *priv) +{ + struct tx_policy_cache *cache = &priv->tx_policy_cache; + int i; + + memset(cache, 0, sizeof(*cache)); + + spin_lock_init(&cache->lock); + INIT_LIST_HEAD(&cache->used); + INIT_LIST_HEAD(&cache->free); + + for (i = 0; i < TX_POLICY_CACHE_SIZE; ++i) + list_add(&cache->cache[i].link, &cache->free); +} + +static int tx_policy_get(struct cw1200_common *priv, + struct ieee80211_tx_rate *rates, + size_t count, bool *renew) +{ + int idx; + struct tx_policy_cache *cache = &priv->tx_policy_cache; + struct tx_policy wanted; + + tx_policy_build(priv, &wanted, rates, count); + + spin_lock_bh(&cache->lock); + if (WARN_ON_ONCE(list_empty(&cache->free))) { + spin_unlock_bh(&cache->lock); + return CW1200_INVALID_RATE_ID; + } + idx = tx_policy_find(cache, &wanted); + if (idx >= 0) { + pr_debug("[TX policy] Used TX policy: %d\n", idx); + *renew = false; + } else { + struct tx_policy_cache_entry *entry; + *renew = true; + /* If policy is not found create a new one + * using the oldest entry in "free" list */ + entry = list_entry(cache->free.prev, + struct tx_policy_cache_entry, link); + entry->policy = wanted; + idx = entry - cache->cache; + pr_debug("[TX policy] New TX policy: %d\n", idx); + tx_policy_dump(&entry->policy); + } + tx_policy_use(cache, &cache->cache[idx]); + if (list_empty(&cache->free)) { + /* Lock TX queues. */ + cw1200_tx_queues_lock(priv); + } + spin_unlock_bh(&cache->lock); + return idx; +} + +static void tx_policy_put(struct cw1200_common *priv, int idx) +{ + int usage, locked; + struct tx_policy_cache *cache = &priv->tx_policy_cache; + + spin_lock_bh(&cache->lock); + locked = list_empty(&cache->free); + usage = tx_policy_release(cache, &cache->cache[idx]); + if (locked && !usage) { + /* Unlock TX queues. */ + cw1200_tx_queues_unlock(priv); + } + spin_unlock_bh(&cache->lock); +} + +static int tx_policy_upload(struct cw1200_common *priv) +{ + struct tx_policy_cache *cache = &priv->tx_policy_cache; + int i; + struct wsm_set_tx_rate_retry_policy arg = { + .num = 0, + }; + spin_lock_bh(&cache->lock); + + /* Upload only modified entries. */ + for (i = 0; i < TX_POLICY_CACHE_SIZE; ++i) { + struct tx_policy *src = &cache->cache[i].policy; + if (src->retry_count && !src->uploaded) { + struct wsm_tx_rate_retry_policy *dst = + &arg.tbl[arg.num]; + dst->index = i; + dst->short_retries = priv->short_frame_max_tx_count; + dst->long_retries = priv->long_frame_max_tx_count; + + dst->flags = WSM_TX_RATE_POLICY_FLAG_TERMINATE_WHEN_FINISHED | + WSM_TX_RATE_POLICY_FLAG_COUNT_INITIAL_TRANSMIT; + memcpy(dst->rate_count_indices, src->tbl, + sizeof(dst->rate_count_indices)); + src->uploaded = 1; + ++arg.num; + } + } + spin_unlock_bh(&cache->lock); + cw1200_debug_tx_cache_miss(priv); + pr_debug("[TX policy] Upload %d policies\n", arg.num); + return wsm_set_tx_rate_retry_policy(priv, &arg); +} + +void tx_policy_upload_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, tx_policy_upload_work); + + pr_debug("[TX] TX policy upload.\n"); + tx_policy_upload(priv); + + wsm_unlock_tx(priv); + cw1200_tx_queues_unlock(priv); +} + +/* ******************************************************************** */ +/* cw1200 TX implementation */ + +struct cw1200_txinfo { + struct sk_buff *skb; + unsigned queue; + struct ieee80211_tx_info *tx_info; + const struct ieee80211_rate *rate; + struct ieee80211_hdr *hdr; + size_t hdrlen; + const u8 *da; + struct cw1200_sta_priv *sta_priv; + struct ieee80211_sta *sta; + struct cw1200_txpriv txpriv; +}; + +u32 cw1200_rate_mask_to_wsm(struct cw1200_common *priv, u32 rates) +{ + u32 ret = 0; + int i; + for (i = 0; i < 32; ++i) { + if (rates & BIT(i)) + ret |= BIT(priv->rates[i].hw_value); + } + return ret; +} + +static const struct ieee80211_rate * +cw1200_get_tx_rate(const struct cw1200_common *priv, + const struct ieee80211_tx_rate *rate) +{ + if (rate->idx < 0) + return NULL; + if (rate->flags & IEEE80211_TX_RC_MCS) + return &priv->mcs_rates[rate->idx]; + return &priv->hw->wiphy->bands[priv->channel->band]-> + bitrates[rate->idx]; +} + +static int +cw1200_tx_h_calc_link_ids(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + if (t->sta && t->sta_priv->link_id) + t->txpriv.raw_link_id = + t->txpriv.link_id = + t->sta_priv->link_id; + else if (priv->mode != NL80211_IFTYPE_AP) + t->txpriv.raw_link_id = + t->txpriv.link_id = 0; + else if (is_multicast_ether_addr(t->da)) { + if (priv->enable_beacon) { + t->txpriv.raw_link_id = 0; + t->txpriv.link_id = CW1200_LINK_ID_AFTER_DTIM; + } else { + t->txpriv.raw_link_id = 0; + t->txpriv.link_id = 0; + } + } else { + t->txpriv.link_id = cw1200_find_link_id(priv, t->da); + if (!t->txpriv.link_id) + t->txpriv.link_id = cw1200_alloc_link_id(priv, t->da); + if (!t->txpriv.link_id) { + wiphy_err(priv->hw->wiphy, + "No more link IDs available.\n"); + return -ENOENT; + } + t->txpriv.raw_link_id = t->txpriv.link_id; + } + if (t->txpriv.raw_link_id) + priv->link_id_db[t->txpriv.raw_link_id - 1].timestamp = + jiffies; + if (t->sta && (t->sta->uapsd_queues & BIT(t->queue))) + t->txpriv.link_id = CW1200_LINK_ID_UAPSD; + return 0; +} + +static void +cw1200_tx_h_pm(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + if (ieee80211_is_auth(t->hdr->frame_control)) { + u32 mask = ~BIT(t->txpriv.raw_link_id); + spin_lock_bh(&priv->ps_state_lock); + priv->sta_asleep_mask &= mask; + priv->pspoll_mask &= mask; + spin_unlock_bh(&priv->ps_state_lock); + } +} + +static void +cw1200_tx_h_calc_tid(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + if (ieee80211_is_data_qos(t->hdr->frame_control)) { + u8 *qos = ieee80211_get_qos_ctl(t->hdr); + t->txpriv.tid = qos[0] & IEEE80211_QOS_CTL_TID_MASK; + } else if (ieee80211_is_data(t->hdr->frame_control)) { + t->txpriv.tid = 0; + } +} + +static int +cw1200_tx_h_crypt(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + if (!t->tx_info->control.hw_key || + !ieee80211_has_protected(t->hdr->frame_control)) + return 0; + + t->hdrlen += t->tx_info->control.hw_key->iv_len; + skb_put(t->skb, t->tx_info->control.hw_key->icv_len); + + if (t->tx_info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) + skb_put(t->skb, 8); /* MIC space */ + + return 0; +} + +static int +cw1200_tx_h_align(struct cw1200_common *priv, + struct cw1200_txinfo *t, + u8 *flags) +{ + size_t offset = (size_t)t->skb->data & 3; + + if (!offset) + return 0; + + if (offset & 1) { + wiphy_err(priv->hw->wiphy, + "Bug: attempt to transmit a frame with wrong alignment: %zu\n", + offset); + return -EINVAL; + } + + if (skb_headroom(t->skb) < offset) { + wiphy_err(priv->hw->wiphy, + "Bug: no space allocated for DMA alignment. headroom: %d\n", + skb_headroom(t->skb)); + return -ENOMEM; + } + skb_push(t->skb, offset); + t->hdrlen += offset; + t->txpriv.offset += offset; + *flags |= WSM_TX_2BYTES_SHIFT; + cw1200_debug_tx_align(priv); + return 0; +} + +static int +cw1200_tx_h_action(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + struct ieee80211_mgmt *mgmt = + (struct ieee80211_mgmt *)t->hdr; + if (ieee80211_is_action(t->hdr->frame_control) && + mgmt->u.action.category == WLAN_CATEGORY_BACK) + return 1; + else + return 0; +} + +/* Add WSM header */ +static struct wsm_tx * +cw1200_tx_h_wsm(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + struct wsm_tx *wsm; + + if (skb_headroom(t->skb) < sizeof(struct wsm_tx)) { + wiphy_err(priv->hw->wiphy, + "Bug: no space allocated for WSM header. headroom: %d\n", + skb_headroom(t->skb)); + return NULL; + } + + wsm = (struct wsm_tx *)skb_push(t->skb, sizeof(struct wsm_tx)); + t->txpriv.offset += sizeof(struct wsm_tx); + memset(wsm, 0, sizeof(*wsm)); + wsm->hdr.len = __cpu_to_le16(t->skb->len); + wsm->hdr.id = __cpu_to_le16(0x0004); + wsm->queue_id = wsm_queue_id_to_wsm(t->queue); + return wsm; +} + +/* BT Coex specific handling */ +static void +cw1200_tx_h_bt(struct cw1200_common *priv, + struct cw1200_txinfo *t, + struct wsm_tx *wsm) +{ + u8 priority = 0; + + if (!priv->bt_present) + return; + + if (ieee80211_is_nullfunc(t->hdr->frame_control)) { + priority = WSM_EPTA_PRIORITY_MGT; + } else if (ieee80211_is_data(t->hdr->frame_control)) { + /* Skip LLC SNAP header (+6) */ + u8 *payload = &t->skb->data[t->hdrlen]; + u16 *ethertype = (u16 *)&payload[6]; + if (*ethertype == __be16_to_cpu(ETH_P_PAE)) + priority = WSM_EPTA_PRIORITY_EAPOL; + } else if (ieee80211_is_assoc_req(t->hdr->frame_control) || + ieee80211_is_reassoc_req(t->hdr->frame_control)) { + struct ieee80211_mgmt *mgt_frame = + (struct ieee80211_mgmt *)t->hdr; + + if (mgt_frame->u.assoc_req.listen_interval < + priv->listen_interval) { + pr_debug("Modified Listen Interval to %d from %d\n", + priv->listen_interval, + mgt_frame->u.assoc_req.listen_interval); + /* Replace listen interval derieved from + * the one read from SDD */ + mgt_frame->u.assoc_req.listen_interval = + priv->listen_interval; + } + } + + if (!priority) { + if (ieee80211_is_action(t->hdr->frame_control)) + priority = WSM_EPTA_PRIORITY_ACTION; + else if (ieee80211_is_mgmt(t->hdr->frame_control)) + priority = WSM_EPTA_PRIORITY_MGT; + else if ((wsm->queue_id == WSM_QUEUE_VOICE)) + priority = WSM_EPTA_PRIORITY_VOICE; + else if ((wsm->queue_id == WSM_QUEUE_VIDEO)) + priority = WSM_EPTA_PRIORITY_VIDEO; + else + priority = WSM_EPTA_PRIORITY_DATA; + } + + pr_debug("[TX] EPTA priority %d.\n", priority); + + wsm->flags |= priority << 1; +} + +static int +cw1200_tx_h_rate_policy(struct cw1200_common *priv, + struct cw1200_txinfo *t, + struct wsm_tx *wsm) +{ + bool tx_policy_renew = false; + + t->txpriv.rate_id = tx_policy_get(priv, + t->tx_info->control.rates, IEEE80211_TX_MAX_RATES, + &tx_policy_renew); + if (t->txpriv.rate_id == CW1200_INVALID_RATE_ID) + return -EFAULT; + + wsm->flags |= t->txpriv.rate_id << 4; + + t->rate = cw1200_get_tx_rate(priv, + &t->tx_info->control.rates[0]), + wsm->max_tx_rate = t->rate->hw_value; + if (t->rate->flags & IEEE80211_TX_RC_MCS) { + if (cw1200_ht_greenfield(&priv->ht_info)) + wsm->ht_tx_parameters |= + __cpu_to_le32(WSM_HT_TX_GREENFIELD); + else + wsm->ht_tx_parameters |= + __cpu_to_le32(WSM_HT_TX_MIXED); + } + + if (tx_policy_renew) { + pr_debug("[TX] TX policy renew.\n"); + /* It's not so optimal to stop TX queues every now and then. + * Better to reimplement task scheduling with + * a counter. TODO. */ + wsm_lock_tx_async(priv); + cw1200_tx_queues_lock(priv); + if (queue_work(priv->workqueue, + &priv->tx_policy_upload_work) <= 0) { + cw1200_tx_queues_unlock(priv); + wsm_unlock_tx(priv); + } + } + return 0; +} + +static bool +cw1200_tx_h_pm_state(struct cw1200_common *priv, + struct cw1200_txinfo *t) +{ + int was_buffered = 1; + + if (t->txpriv.link_id == CW1200_LINK_ID_AFTER_DTIM && + !priv->buffered_multicasts) { + priv->buffered_multicasts = true; + if (priv->sta_asleep_mask) + queue_work(priv->workqueue, + &priv->multicast_start_work); + } + + if (t->txpriv.raw_link_id && t->txpriv.tid < CW1200_MAX_TID) + was_buffered = priv->link_id_db[t->txpriv.raw_link_id - 1].buffered[t->txpriv.tid]++; + + return !was_buffered; +} + +/* ******************************************************************** */ + +void cw1200_tx(struct ieee80211_hw *dev, + struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct cw1200_common *priv = dev->priv; + struct cw1200_txinfo t = { + .skb = skb, + .queue = skb_get_queue_mapping(skb), + .tx_info = IEEE80211_SKB_CB(skb), + .hdr = (struct ieee80211_hdr *)skb->data, + .txpriv.tid = CW1200_MAX_TID, + .txpriv.rate_id = CW1200_INVALID_RATE_ID, + }; + struct ieee80211_sta *sta; + struct wsm_tx *wsm; + bool tid_update = 0; + u8 flags = 0; + int ret; + + if (priv->bh_error) + goto drop; + + t.hdrlen = ieee80211_hdrlen(t.hdr->frame_control); + t.da = ieee80211_get_DA(t.hdr); + if (control) { + t.sta = control->sta; + t.sta_priv = (struct cw1200_sta_priv *)&t.sta->drv_priv; + } + + if (WARN_ON(t.queue >= 4)) + goto drop; + + ret = cw1200_tx_h_calc_link_ids(priv, &t); + if (ret) + goto drop; + + pr_debug("[TX] TX %d bytes (queue: %d, link_id: %d (%d)).\n", + skb->len, t.queue, t.txpriv.link_id, + t.txpriv.raw_link_id); + + cw1200_tx_h_pm(priv, &t); + cw1200_tx_h_calc_tid(priv, &t); + ret = cw1200_tx_h_crypt(priv, &t); + if (ret) + goto drop; + ret = cw1200_tx_h_align(priv, &t, &flags); + if (ret) + goto drop; + ret = cw1200_tx_h_action(priv, &t); + if (ret) + goto drop; + wsm = cw1200_tx_h_wsm(priv, &t); + if (!wsm) { + ret = -ENOMEM; + goto drop; + } + wsm->flags |= flags; + cw1200_tx_h_bt(priv, &t, wsm); + ret = cw1200_tx_h_rate_policy(priv, &t, wsm); + if (ret) + goto drop; + + rcu_read_lock(); + sta = rcu_dereference(t.sta); + + spin_lock_bh(&priv->ps_state_lock); + { + tid_update = cw1200_tx_h_pm_state(priv, &t); + BUG_ON(cw1200_queue_put(&priv->tx_queue[t.queue], + t.skb, &t.txpriv)); + } + spin_unlock_bh(&priv->ps_state_lock); + + if (tid_update && sta) + ieee80211_sta_set_buffered(sta, t.txpriv.tid, true); + + rcu_read_unlock(); + + cw1200_bh_wakeup(priv); + + return; + +drop: + cw1200_skb_dtor(priv, skb, &t.txpriv); + return; +} + +/* ******************************************************************** */ + +static int cw1200_handle_action_rx(struct cw1200_common *priv, + struct sk_buff *skb) +{ + struct ieee80211_mgmt *mgmt = (void *)skb->data; + + /* Filter block ACK negotiation: fully controlled by firmware */ + if (mgmt->u.action.category == WLAN_CATEGORY_BACK) + return 1; + + return 0; +} + +static int cw1200_handle_pspoll(struct cw1200_common *priv, + struct sk_buff *skb) +{ + struct ieee80211_sta *sta; + struct ieee80211_pspoll *pspoll = (struct ieee80211_pspoll *)skb->data; + int link_id = 0; + u32 pspoll_mask = 0; + int drop = 1; + int i; + + if (priv->join_status != CW1200_JOIN_STATUS_AP) + goto done; + if (memcmp(priv->vif->addr, pspoll->bssid, ETH_ALEN)) + goto done; + + rcu_read_lock(); + sta = ieee80211_find_sta(priv->vif, pspoll->ta); + if (sta) { + struct cw1200_sta_priv *sta_priv; + sta_priv = (struct cw1200_sta_priv *)&sta->drv_priv; + link_id = sta_priv->link_id; + pspoll_mask = BIT(sta_priv->link_id); + } + rcu_read_unlock(); + if (!link_id) + goto done; + + priv->pspoll_mask |= pspoll_mask; + drop = 0; + + /* Do not report pspols if data for given link id is + * queued already. */ + for (i = 0; i < 4; ++i) { + if (cw1200_queue_get_num_queued(&priv->tx_queue[i], + pspoll_mask)) { + cw1200_bh_wakeup(priv); + drop = 1; + break; + } + } + pr_debug("[RX] PSPOLL: %s\n", drop ? "local" : "fwd"); +done: + return drop; +} + +/* ******************************************************************** */ + +void cw1200_tx_confirm_cb(struct cw1200_common *priv, + int link_id, + struct wsm_tx_confirm *arg) +{ + u8 queue_id = cw1200_queue_get_queue_id(arg->packet_id); + struct cw1200_queue *queue = &priv->tx_queue[queue_id]; + struct sk_buff *skb; + const struct cw1200_txpriv *txpriv; + + pr_debug("[TX] TX confirm: %d, %d.\n", + arg->status, arg->ack_failures); + + if (cw1200_itp_tx_running(priv)) + return; + + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) { + /* STA is stopped. */ + return; + } + + if (WARN_ON(queue_id >= 4)) + return; + + if (arg->status) + pr_debug("TX failed: %d.\n", arg->status); + + if ((arg->status == WSM_REQUEUE) && + (arg->flags & WSM_TX_STATUS_REQUEUE)) { + /* "Requeue" means "implicit suspend" */ + struct wsm_suspend_resume suspend = { + .link_id = link_id, + .stop = 1, + .multicast = !link_id, + }; + cw1200_suspend_resume(priv, &suspend); + wiphy_warn(priv->hw->wiphy, "Requeue for link_id %d (try %d). STAs asleep: 0x%.8X\n", + link_id, + cw1200_queue_get_generation(arg->packet_id) + 1, + priv->sta_asleep_mask); + cw1200_queue_requeue(queue, arg->packet_id); + spin_lock_bh(&priv->ps_state_lock); + if (!link_id) { + priv->buffered_multicasts = true; + if (priv->sta_asleep_mask) { + queue_work(priv->workqueue, + &priv->multicast_start_work); + } + } + spin_unlock_bh(&priv->ps_state_lock); + } else if (!cw1200_queue_get_skb(queue, arg->packet_id, + &skb, &txpriv)) { + struct ieee80211_tx_info *tx = IEEE80211_SKB_CB(skb); + int tx_count = arg->ack_failures; + u8 ht_flags = 0; + int i; + + if (cw1200_ht_greenfield(&priv->ht_info)) + ht_flags |= IEEE80211_TX_RC_GREEN_FIELD; + + spin_lock(&priv->bss_loss_lock); + if (priv->bss_loss_state && + arg->packet_id == priv->bss_loss_confirm_id) { + if (arg->status) { + /* Recovery failed */ + __cw1200_cqm_bssloss_sm(priv, 0, 0, 1); + } else { + /* Recovery succeeded */ + __cw1200_cqm_bssloss_sm(priv, 0, 1, 0); + } + } + spin_unlock(&priv->bss_loss_lock); + + if (!arg->status) { + tx->flags |= IEEE80211_TX_STAT_ACK; + ++tx_count; + cw1200_debug_txed(priv); + if (arg->flags & WSM_TX_STATUS_AGGREGATION) { + /* Do not report aggregation to mac80211: + * it confuses minstrel a lot. */ + /* tx->flags |= IEEE80211_TX_STAT_AMPDU; */ + cw1200_debug_txed_agg(priv); + } + } else { + if (tx_count) + ++tx_count; + } + + for (i = 0; i < IEEE80211_TX_MAX_RATES; ++i) { + if (tx->status.rates[i].count >= tx_count) { + tx->status.rates[i].count = tx_count; + break; + } + tx_count -= tx->status.rates[i].count; + if (tx->status.rates[i].flags & IEEE80211_TX_RC_MCS) + tx->status.rates[i].flags |= ht_flags; + } + + for (++i; i < IEEE80211_TX_MAX_RATES; ++i) { + tx->status.rates[i].count = 0; + tx->status.rates[i].idx = -1; + } + + /* Pull off any crypto trailers that we added on */ + if (tx->control.hw_key) { + skb_trim(skb, skb->len - tx->control.hw_key->icv_len); + if (tx->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) + skb_trim(skb, skb->len - 8); /* MIC space */ + } + cw1200_queue_remove(queue, arg->packet_id); + } + /* XXX TODO: Only wake if there are pending transmits.. */ + cw1200_bh_wakeup(priv); +} + +static void cw1200_notify_buffered_tx(struct cw1200_common *priv, + struct sk_buff *skb, int link_id, int tid) +{ + struct ieee80211_sta *sta; + struct ieee80211_hdr *hdr; + u8 *buffered; + u8 still_buffered = 0; + + if (link_id && tid < CW1200_MAX_TID) { + buffered = priv->link_id_db + [link_id - 1].buffered; + + spin_lock_bh(&priv->ps_state_lock); + if (!WARN_ON(!buffered[tid])) + still_buffered = --buffered[tid]; + spin_unlock_bh(&priv->ps_state_lock); + + if (!still_buffered && tid < CW1200_MAX_TID) { + hdr = (struct ieee80211_hdr *)skb->data; + rcu_read_lock(); + sta = ieee80211_find_sta(priv->vif, hdr->addr1); + if (sta) + ieee80211_sta_set_buffered(sta, tid, false); + rcu_read_unlock(); + } + } +} + +void cw1200_skb_dtor(struct cw1200_common *priv, + struct sk_buff *skb, + const struct cw1200_txpriv *txpriv) +{ + skb_pull(skb, txpriv->offset); + if (txpriv->rate_id != CW1200_INVALID_RATE_ID) { + cw1200_notify_buffered_tx(priv, skb, + txpriv->raw_link_id, txpriv->tid); + tx_policy_put(priv, txpriv->rate_id); + } + if (!cw1200_is_itp(priv)) + ieee80211_tx_status(priv->hw, skb); +} + +void cw1200_rx_cb(struct cw1200_common *priv, + struct wsm_rx *arg, + int link_id, + struct sk_buff **skb_p) +{ + struct sk_buff *skb = *skb_p; + struct ieee80211_rx_status *hdr = IEEE80211_SKB_RXCB(skb); + struct ieee80211_hdr *frame = (struct ieee80211_hdr *)skb->data; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + struct cw1200_link_entry *entry = NULL; + unsigned long grace_period; + + bool early_data = false; + bool p2p = priv->vif && priv->vif->p2p; + size_t hdrlen; + hdr->flag = 0; + + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) { + /* STA is stopped. */ + goto drop; + } + + if (link_id && link_id <= CW1200_MAX_STA_IN_AP_MODE) { + entry = &priv->link_id_db[link_id - 1]; + if (entry->status == CW1200_LINK_SOFT && + ieee80211_is_data(frame->frame_control)) + early_data = true; + entry->timestamp = jiffies; + } else if (p2p && + ieee80211_is_action(frame->frame_control) && + (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)) { + pr_debug("[RX] Going to MAP&RESET link ID\n"); + WARN_ON(work_pending(&priv->linkid_reset_work)); + memcpy(&priv->action_frame_sa[0], + ieee80211_get_SA(frame), ETH_ALEN); + priv->action_linkid = 0; + schedule_work(&priv->linkid_reset_work); + } + + if (link_id && p2p && + ieee80211_is_action(frame->frame_control) && + (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)) { + /* Link ID already exists for the ACTION frame. + * Reset and Remap */ + WARN_ON(work_pending(&priv->linkid_reset_work)); + memcpy(&priv->action_frame_sa[0], + ieee80211_get_SA(frame), ETH_ALEN); + priv->action_linkid = link_id; + schedule_work(&priv->linkid_reset_work); + } + if (arg->status) { + if (arg->status == WSM_STATUS_MICFAILURE) { + pr_debug("[RX] MIC failure.\n"); + hdr->flag |= RX_FLAG_MMIC_ERROR; + } else if (arg->status == WSM_STATUS_NO_KEY_FOUND) { + pr_debug("[RX] No key found.\n"); + goto drop; + } else { + pr_debug("[RX] Receive failure: %d.\n", + arg->status); + goto drop; + } + } + + if (skb->len < sizeof(struct ieee80211_pspoll)) { + wiphy_warn(priv->hw->wiphy, "Mailformed SDU rx'ed. Size is lesser than IEEE header.\n"); + goto drop; + } + + if (ieee80211_is_pspoll(frame->frame_control)) + if (cw1200_handle_pspoll(priv, skb)) + goto drop; + + hdr->mactime = 0; /* Not supported by WSM */ + hdr->band = ((arg->channel_number & 0xff00) || + (arg->channel_number > 14)) ? + IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ; + hdr->freq = ieee80211_channel_to_frequency( + arg->channel_number, + hdr->band); + + if (arg->rx_rate >= 14) { + hdr->flag |= RX_FLAG_HT; + hdr->rate_idx = arg->rx_rate - 14; + } else if (arg->rx_rate >= 4) { + hdr->rate_idx = arg->rx_rate - 2; + } else { + hdr->rate_idx = arg->rx_rate; + } + + hdr->signal = (s8)arg->rcpi_rssi; + hdr->antenna = 0; + + hdrlen = ieee80211_hdrlen(frame->frame_control); + + if (WSM_RX_STATUS_ENCRYPTION(arg->flags)) { + size_t iv_len = 0, icv_len = 0; + + hdr->flag |= RX_FLAG_DECRYPTED | RX_FLAG_IV_STRIPPED; + + /* Oops... There is no fast way to ask mac80211 about + * IV/ICV lengths. Even defineas are not exposed.*/ + switch (WSM_RX_STATUS_ENCRYPTION(arg->flags)) { + case WSM_RX_STATUS_WEP: + iv_len = 4 /* WEP_IV_LEN */; + icv_len = 4 /* WEP_ICV_LEN */; + break; + case WSM_RX_STATUS_TKIP: + iv_len = 8 /* TKIP_IV_LEN */; + icv_len = 4 /* TKIP_ICV_LEN */ + + 8 /*MICHAEL_MIC_LEN*/; + hdr->flag |= RX_FLAG_MMIC_STRIPPED; + break; + case WSM_RX_STATUS_AES: + iv_len = 8 /* CCMP_HDR_LEN */; + icv_len = 8 /* CCMP_MIC_LEN */; + break; + case WSM_RX_STATUS_WAPI: + iv_len = 18 /* WAPI_HDR_LEN */; + icv_len = 16 /* WAPI_MIC_LEN */; + break; + default: + pr_warn("Unknown encryption type %d\n", + WSM_RX_STATUS_ENCRYPTION(arg->flags)); + goto drop; + } + + /* Firmware strips ICV in case of MIC failure. */ + if (arg->status == WSM_STATUS_MICFAILURE) + icv_len = 0; + + if (skb->len < hdrlen + iv_len + icv_len) { + wiphy_warn(priv->hw->wiphy, "Malformed SDU rx'ed. Size is lesser than crypto headers.\n"); + goto drop; + } + + /* Remove IV, ICV and MIC */ + skb_trim(skb, skb->len - icv_len); + memmove(skb->data + iv_len, skb->data, hdrlen); + skb_pull(skb, iv_len); + } + + /* Remove TSF from the end of frame */ + if (arg->flags & WSM_RX_STATUS_TSF_INCLUDED) { + memcpy(&hdr->mactime, skb->data + skb->len - 8, 8); + hdr->mactime = le64_to_cpu(hdr->mactime); + if (skb->len >= 8) + skb_trim(skb, skb->len - 8); + } + + cw1200_debug_rxed(priv); + if (arg->flags & WSM_RX_STATUS_AGGREGATE) + cw1200_debug_rxed_agg(priv); + + if (ieee80211_is_action(frame->frame_control) && + (arg->flags & WSM_RX_STATUS_ADDRESS1)) { + if (cw1200_handle_action_rx(priv, skb)) + return; + } else if (ieee80211_is_beacon(frame->frame_control) && + !arg->status && + !memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid, + ETH_ALEN)) { + const u8 *tim_ie; + u8 *ies = ((struct ieee80211_mgmt *) + (skb->data))->u.beacon.variable; + size_t ies_len = skb->len - (ies - (u8 *)(skb->data)); + + tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies, ies_len); + if (tim_ie) { + struct ieee80211_tim_ie *tim = + (struct ieee80211_tim_ie *)&tim_ie[2]; + + if (priv->join_dtim_period != tim->dtim_period) { + priv->join_dtim_period = tim->dtim_period; + queue_work(priv->workqueue, + &priv->set_beacon_wakeup_period_work); + } + } + + /* Disable beacon filter once we're associated... */ + if (priv->disable_beacon_filter && + (priv->vif->bss_conf.assoc || + priv->vif->bss_conf.ibss_joined)) { + priv->disable_beacon_filter = false; + queue_work(priv->workqueue, + &priv->update_filtering_work); + } + } + + /* Stay awake after frame is received to give + * userspace chance to react and acquire appropriate + * wakelock. */ + if (ieee80211_is_auth(frame->frame_control)) + grace_period = 5 * HZ; + else if (ieee80211_is_deauth(frame->frame_control)) + grace_period = 5 * HZ; + else + grace_period = 1 * HZ; + cw1200_pm_stay_awake(&priv->pm_state, grace_period); + + if (cw1200_itp_rxed(priv, skb)) { + consume_skb(skb); + } else if (early_data) { + spin_lock_bh(&priv->ps_state_lock); + /* Double-check status with lock held */ + if (entry->status == CW1200_LINK_SOFT) + skb_queue_tail(&entry->rx_queue, skb); + else + ieee80211_rx_irqsafe(priv->hw, skb); + spin_unlock_bh(&priv->ps_state_lock); + } else { + ieee80211_rx_irqsafe(priv->hw, skb); + } + *skb_p = NULL; + + return; + +drop: + /* TODO: update failure counters */ + return; +} + +/* ******************************************************************** */ +/* Security */ + +int cw1200_alloc_key(struct cw1200_common *priv) +{ + int idx; + + idx = ffs(~priv->key_map) - 1; + if (idx < 0 || idx > WSM_KEY_MAX_INDEX) + return -1; + + priv->key_map |= BIT(idx); + priv->keys[idx].index = idx; + return idx; +} + +void cw1200_free_key(struct cw1200_common *priv, int idx) +{ + BUG_ON(!(priv->key_map & BIT(idx))); + memset(&priv->keys[idx], 0, sizeof(priv->keys[idx])); + priv->key_map &= ~BIT(idx); +} + +void cw1200_free_keys(struct cw1200_common *priv) +{ + memset(&priv->keys, 0, sizeof(priv->keys)); + priv->key_map = 0; +} + +int cw1200_upload_keys(struct cw1200_common *priv) +{ + int idx, ret = 0; + for (idx = 0; idx <= WSM_KEY_MAX_INDEX; ++idx) + if (priv->key_map & BIT(idx)) { + ret = wsm_add_key(priv, &priv->keys[idx]); + if (ret < 0) + break; + } + return ret; +} + +/* Workaround for WFD test case 6.1.10 */ +void cw1200_link_id_reset(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, linkid_reset_work); + int temp_linkid; + + if (!priv->action_linkid) { + /* In GO mode we can receive ACTION frames without a linkID */ + temp_linkid = cw1200_alloc_link_id(priv, + &priv->action_frame_sa[0]); + WARN_ON(!temp_linkid); + if (temp_linkid) { + /* Make sure we execute the WQ */ + flush_workqueue(priv->workqueue); + /* Release the link ID */ + spin_lock_bh(&priv->ps_state_lock); + priv->link_id_db[temp_linkid - 1].prev_status = + priv->link_id_db[temp_linkid - 1].status; + priv->link_id_db[temp_linkid - 1].status = + CW1200_LINK_RESET; + spin_unlock_bh(&priv->ps_state_lock); + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, + &priv->link_id_work) <= 0) + wsm_unlock_tx(priv); + } + } else { + spin_lock_bh(&priv->ps_state_lock); + priv->link_id_db[priv->action_linkid - 1].prev_status = + priv->link_id_db[priv->action_linkid - 1].status; + priv->link_id_db[priv->action_linkid - 1].status = + CW1200_LINK_RESET_REMAP; + spin_unlock_bh(&priv->ps_state_lock); + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, &priv->link_id_work) <= 0) + wsm_unlock_tx(priv); + flush_workqueue(priv->workqueue); + } +} + +int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac) +{ + int i, ret = 0; + spin_lock_bh(&priv->ps_state_lock); + for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) { + if (!memcmp(mac, priv->link_id_db[i].mac, ETH_ALEN) && + priv->link_id_db[i].status) { + priv->link_id_db[i].timestamp = jiffies; + ret = i + 1; + break; + } + } + spin_unlock_bh(&priv->ps_state_lock); + return ret; +} + +int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac) +{ + int i, ret = 0; + unsigned long max_inactivity = 0; + unsigned long now = jiffies; + + spin_lock_bh(&priv->ps_state_lock); + for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) { + if (!priv->link_id_db[i].status) { + ret = i + 1; + break; + } else if (priv->link_id_db[i].status != CW1200_LINK_HARD && + !priv->tx_queue_stats.link_map_cache[i + 1]) { + unsigned long inactivity = + now - priv->link_id_db[i].timestamp; + if (inactivity < max_inactivity) + continue; + max_inactivity = inactivity; + ret = i + 1; + } + } + if (ret) { + struct cw1200_link_entry *entry = &priv->link_id_db[ret - 1]; + pr_debug("[AP] STA added, link_id: %d\n", ret); + entry->status = CW1200_LINK_RESERVE; + memcpy(&entry->mac, mac, ETH_ALEN); + memset(&entry->buffered, 0, CW1200_MAX_TID); + skb_queue_head_init(&entry->rx_queue); + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, &priv->link_id_work) <= 0) + wsm_unlock_tx(priv); + } else { + wiphy_info(priv->hw->wiphy, + "[AP] Early: no more link IDs available.\n"); + } + + spin_unlock_bh(&priv->ps_state_lock); + return ret; +} + +void cw1200_link_id_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, link_id_work); + wsm_flush_tx(priv); + cw1200_link_id_gc_work(&priv->link_id_gc_work.work); + wsm_unlock_tx(priv); +} + +void cw1200_link_id_gc_work(struct work_struct *work) +{ + struct cw1200_common *priv = + container_of(work, struct cw1200_common, link_id_gc_work.work); + struct wsm_reset reset = { + .reset_statistics = false, + }; + struct wsm_map_link map_link = { + .link_id = 0, + }; + unsigned long now = jiffies; + unsigned long next_gc = -1; + long ttl; + bool need_reset; + u32 mask; + int i; + + if (priv->join_status != CW1200_JOIN_STATUS_AP) + return; + + wsm_lock_tx(priv); + spin_lock_bh(&priv->ps_state_lock); + for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) { + need_reset = false; + mask = BIT(i + 1); + if (priv->link_id_db[i].status == CW1200_LINK_RESERVE || + (priv->link_id_db[i].status == CW1200_LINK_HARD && + !(priv->link_id_map & mask))) { + if (priv->link_id_map & mask) { + priv->sta_asleep_mask &= ~mask; + priv->pspoll_mask &= ~mask; + need_reset = true; + } + priv->link_id_map |= mask; + if (priv->link_id_db[i].status != CW1200_LINK_HARD) + priv->link_id_db[i].status = CW1200_LINK_SOFT; + memcpy(map_link.mac_addr, priv->link_id_db[i].mac, + ETH_ALEN); + spin_unlock_bh(&priv->ps_state_lock); + if (need_reset) { + reset.link_id = i + 1; + wsm_reset(priv, &reset); + } + map_link.link_id = i + 1; + wsm_map_link(priv, &map_link); + next_gc = min(next_gc, CW1200_LINK_ID_GC_TIMEOUT); + spin_lock_bh(&priv->ps_state_lock); + } else if (priv->link_id_db[i].status == CW1200_LINK_SOFT) { + ttl = priv->link_id_db[i].timestamp - now + + CW1200_LINK_ID_GC_TIMEOUT; + if (ttl <= 0) { + need_reset = true; + priv->link_id_db[i].status = CW1200_LINK_OFF; + priv->link_id_map &= ~mask; + priv->sta_asleep_mask &= ~mask; + priv->pspoll_mask &= ~mask; + memset(map_link.mac_addr, 0, ETH_ALEN); + spin_unlock_bh(&priv->ps_state_lock); + reset.link_id = i + 1; + wsm_reset(priv, &reset); + spin_lock_bh(&priv->ps_state_lock); + } else { + next_gc = min_t(unsigned long, next_gc, ttl); + } + } else if (priv->link_id_db[i].status == CW1200_LINK_RESET || + priv->link_id_db[i].status == + CW1200_LINK_RESET_REMAP) { + int status = priv->link_id_db[i].status; + priv->link_id_db[i].status = + priv->link_id_db[i].prev_status; + priv->link_id_db[i].timestamp = now; + reset.link_id = i + 1; + spin_unlock_bh(&priv->ps_state_lock); + wsm_reset(priv, &reset); + if (status == CW1200_LINK_RESET_REMAP) { + memcpy(map_link.mac_addr, + priv->link_id_db[i].mac, + ETH_ALEN); + map_link.link_id = i + 1; + wsm_map_link(priv, &map_link); + next_gc = min(next_gc, + CW1200_LINK_ID_GC_TIMEOUT); + } + spin_lock_bh(&priv->ps_state_lock); + } + if (need_reset) { + skb_queue_purge(&priv->link_id_db[i].rx_queue); + pr_debug("[AP] STA removed, link_id: %d\n", + reset.link_id); + } + } + spin_unlock_bh(&priv->ps_state_lock); + if (next_gc != -1) + queue_delayed_work(priv->workqueue, + &priv->link_id_gc_work, next_gc); + wsm_unlock_tx(priv); +} diff --git a/drivers/net/wireless/cw1200/txrx.h b/drivers/net/wireless/cw1200/txrx.h new file mode 100644 index 000000000000..492a4e14213b --- /dev/null +++ b/drivers/net/wireless/cw1200/txrx.h @@ -0,0 +1,106 @@ +/* + * Datapath interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_TXRX_H +#define CW1200_TXRX_H + +#include <linux/list.h> + +/* extern */ struct ieee80211_hw; +/* extern */ struct sk_buff; +/* extern */ struct wsm_tx; +/* extern */ struct wsm_rx; +/* extern */ struct wsm_tx_confirm; +/* extern */ struct cw1200_txpriv; + +struct tx_policy { + union { + __le32 tbl[3]; + u8 raw[12]; + }; + u8 defined; + u8 usage_count; + u8 retry_count; + u8 uploaded; +}; + +struct tx_policy_cache_entry { + struct tx_policy policy; + struct list_head link; +}; + +#define TX_POLICY_CACHE_SIZE (8) +struct tx_policy_cache { + struct tx_policy_cache_entry cache[TX_POLICY_CACHE_SIZE]; + struct list_head used; + struct list_head free; + spinlock_t lock; /* Protect policy cache */ +}; + +/* ******************************************************************** */ +/* TX policy cache */ +/* Intention of TX policy cache is an overcomplicated WSM API. + * Device does not accept per-PDU tx retry sequence. + * It uses "tx retry policy id" instead, so driver code has to sync + * linux tx retry sequences with a retry policy table in the device. + */ +void tx_policy_init(struct cw1200_common *priv); +void tx_policy_upload_work(struct work_struct *work); +void tx_policy_clean(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* TX implementation */ + +u32 cw1200_rate_mask_to_wsm(struct cw1200_common *priv, + u32 rates); +void cw1200_tx(struct ieee80211_hw *dev, + struct ieee80211_tx_control *control, + struct sk_buff *skb); +void cw1200_skb_dtor(struct cw1200_common *priv, + struct sk_buff *skb, + const struct cw1200_txpriv *txpriv); + +/* ******************************************************************** */ +/* WSM callbacks */ + +void cw1200_tx_confirm_cb(struct cw1200_common *priv, + int link_id, + struct wsm_tx_confirm *arg); +void cw1200_rx_cb(struct cw1200_common *priv, + struct wsm_rx *arg, + int link_id, + struct sk_buff **skb_p); + +/* ******************************************************************** */ +/* Timeout */ + +void cw1200_tx_timeout(struct work_struct *work); + +/* ******************************************************************** */ +/* Security */ +int cw1200_alloc_key(struct cw1200_common *priv); +void cw1200_free_key(struct cw1200_common *priv, int idx); +void cw1200_free_keys(struct cw1200_common *priv); +int cw1200_upload_keys(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* Workaround for WFD test case 6.1.10 */ +void cw1200_link_id_reset(struct work_struct *work); + +#define CW1200_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ)) + +int cw1200_find_link_id(struct cw1200_common *priv, const u8 *mac); +int cw1200_alloc_link_id(struct cw1200_common *priv, const u8 *mac); +void cw1200_link_id_work(struct work_struct *work); +void cw1200_link_id_gc_work(struct work_struct *work); + + +#endif /* CW1200_TXRX_H */ diff --git a/drivers/net/wireless/cw1200/wsm.c b/drivers/net/wireless/cw1200/wsm.c new file mode 100644 index 000000000000..f3fd9b218724 --- /dev/null +++ b/drivers/net/wireless/cw1200/wsm.c @@ -0,0 +1,1883 @@ +/* + * WSM host interface (HI) implementation for + * ST-Ericsson CW1200 mac80211 drivers. + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/skbuff.h> +#include <linux/wait.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/random.h> + +#include "cw1200.h" +#include "wsm.h" +#include "bh.h" +#include "sta.h" +#include "debug.h" +#include "itp.h" + +#define WSM_CMD_TIMEOUT (2 * HZ) /* With respect to interrupt loss */ +#define WSM_CMD_START_TIMEOUT (7 * HZ) +#define WSM_CMD_RESET_TIMEOUT (3 * HZ) /* 2 sec. timeout was observed. */ +#define WSM_CMD_MAX_TIMEOUT (3 * HZ) + +#define WSM_SKIP(buf, size) \ + do { \ + if ((buf)->data + size > (buf)->end) \ + goto underflow; \ + (buf)->data += size; \ + } while (0) + +#define WSM_GET(buf, ptr, size) \ + do { \ + if ((buf)->data + size > (buf)->end) \ + goto underflow; \ + memcpy(ptr, (buf)->data, size); \ + (buf)->data += size; \ + } while (0) + +#define __WSM_GET(buf, type, cvt) \ + ({ \ + type val; \ + if ((buf)->data + sizeof(type) > (buf)->end) \ + goto underflow; \ + val = cvt(*(type *)(buf)->data); \ + (buf)->data += sizeof(type); \ + val; \ + }) + +#define WSM_GET8(buf) __WSM_GET(buf, u8, (u8)) +#define WSM_GET16(buf) __WSM_GET(buf, u16, __le16_to_cpu) +#define WSM_GET32(buf) __WSM_GET(buf, u32, __le32_to_cpu) + +#define WSM_PUT(buf, ptr, size) \ + do { \ + if ((buf)->data + size > (buf)->end) \ + if (wsm_buf_reserve((buf), size)) \ + goto nomem; \ + memcpy((buf)->data, ptr, size); \ + (buf)->data += size; \ + } while (0) + +#define __WSM_PUT(buf, val, type, cvt) \ + do { \ + if ((buf)->data + sizeof(type) > (buf)->end) \ + if (wsm_buf_reserve((buf), sizeof(type))) \ + goto nomem; \ + *(type *)(buf)->data = cvt(val); \ + (buf)->data += sizeof(type); \ + } while (0) + +#define WSM_PUT8(buf, val) __WSM_PUT(buf, val, u8, (u8)) +#define WSM_PUT16(buf, val) __WSM_PUT(buf, val, u16, __cpu_to_le16) +#define WSM_PUT32(buf, val) __WSM_PUT(buf, val, u32, __cpu_to_le32) + +static void wsm_buf_reset(struct wsm_buf *buf); +static int wsm_buf_reserve(struct wsm_buf *buf, size_t extra_size); + +static int wsm_cmd_send(struct cw1200_common *priv, + struct wsm_buf *buf, + void *arg, u16 cmd, long tmo); + +#define wsm_cmd_lock(__priv) mutex_lock(&((__priv)->wsm_cmd_mux)) +#define wsm_cmd_unlock(__priv) mutex_unlock(&((__priv)->wsm_cmd_mux)) + +/* ******************************************************************** */ +/* WSM API implementation */ + +static int wsm_generic_confirm(struct cw1200_common *priv, + void *arg, + struct wsm_buf *buf) +{ + u32 status = WSM_GET32(buf); + if (status != WSM_STATUS_SUCCESS) + return -EINVAL; + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +int wsm_configuration(struct cw1200_common *priv, struct wsm_configuration *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT32(buf, arg->dot11MaxTransmitMsduLifeTime); + WSM_PUT32(buf, arg->dot11MaxReceiveLifeTime); + WSM_PUT32(buf, arg->dot11RtsThreshold); + + /* DPD block. */ + WSM_PUT16(buf, arg->dpdData_size + 12); + WSM_PUT16(buf, 1); /* DPD version */ + WSM_PUT(buf, arg->dot11StationId, ETH_ALEN); + WSM_PUT16(buf, 5); /* DPD flags */ + WSM_PUT(buf, arg->dpdData, arg->dpdData_size); + + ret = wsm_cmd_send(priv, buf, arg, + WSM_CONFIGURATION_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +static int wsm_configuration_confirm(struct cw1200_common *priv, + struct wsm_configuration *arg, + struct wsm_buf *buf) +{ + int i; + int status; + + status = WSM_GET32(buf); + if (WARN_ON(status != WSM_STATUS_SUCCESS)) + return -EINVAL; + + WSM_GET(buf, arg->dot11StationId, ETH_ALEN); + arg->dot11FrequencyBandsSupported = WSM_GET8(buf); + WSM_SKIP(buf, 1); + arg->supportedRateMask = WSM_GET32(buf); + for (i = 0; i < 2; ++i) { + arg->txPowerRange[i].min_power_level = WSM_GET32(buf); + arg->txPowerRange[i].max_power_level = WSM_GET32(buf); + arg->txPowerRange[i].stepping = WSM_GET32(buf); + } + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +/* ******************************************************************** */ + +int wsm_reset(struct cw1200_common *priv, const struct wsm_reset *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + u16 cmd = WSM_RESET_REQ_ID | WSM_TX_LINK_ID(arg->link_id); + + wsm_cmd_lock(priv); + + WSM_PUT32(buf, arg->reset_statistics ? 0 : 1); + ret = wsm_cmd_send(priv, buf, NULL, cmd, WSM_CMD_RESET_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +struct wsm_mib { + u16 mib_id; + void *buf; + size_t buf_size; +}; + +int wsm_read_mib(struct cw1200_common *priv, u16 mib_id, void *_buf, + size_t buf_size) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + struct wsm_mib mib_buf = { + .mib_id = mib_id, + .buf = _buf, + .buf_size = buf_size, + }; + wsm_cmd_lock(priv); + + WSM_PUT16(buf, mib_id); + WSM_PUT16(buf, 0); + + ret = wsm_cmd_send(priv, buf, &mib_buf, + WSM_READ_MIB_REQ_ID, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +static int wsm_read_mib_confirm(struct cw1200_common *priv, + struct wsm_mib *arg, + struct wsm_buf *buf) +{ + u16 size; + if (WARN_ON(WSM_GET32(buf) != WSM_STATUS_SUCCESS)) + return -EINVAL; + + if (WARN_ON(WSM_GET16(buf) != arg->mib_id)) + return -EINVAL; + + size = WSM_GET16(buf); + if (size > arg->buf_size) + size = arg->buf_size; + + WSM_GET(buf, arg->buf, size); + arg->buf_size = size; + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +/* ******************************************************************** */ + +int wsm_write_mib(struct cw1200_common *priv, u16 mib_id, void *_buf, + size_t buf_size) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + struct wsm_mib mib_buf = { + .mib_id = mib_id, + .buf = _buf, + .buf_size = buf_size, + }; + + wsm_cmd_lock(priv); + + WSM_PUT16(buf, mib_id); + WSM_PUT16(buf, buf_size); + WSM_PUT(buf, _buf, buf_size); + + ret = wsm_cmd_send(priv, buf, &mib_buf, + WSM_WRITE_MIB_REQ_ID, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +static int wsm_write_mib_confirm(struct cw1200_common *priv, + struct wsm_mib *arg, + struct wsm_buf *buf) +{ + int ret; + + ret = wsm_generic_confirm(priv, arg, buf); + if (ret) + return ret; + + if (arg->mib_id == WSM_MIB_ID_OPERATIONAL_POWER_MODE) { + /* OperationalMode: update PM status. */ + const char *p = arg->buf; + cw1200_enable_powersave(priv, (p[0] & 0x0F) ? true : false); + } + return 0; +} + +/* ******************************************************************** */ + +int wsm_scan(struct cw1200_common *priv, const struct wsm_scan *arg) +{ + int i; + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + if (arg->num_channels > 48) + return -EINVAL; + + if (arg->num_ssids > 2) + return -EINVAL; + + if (arg->band > 1) + return -EINVAL; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->band); + WSM_PUT8(buf, arg->type); + WSM_PUT8(buf, arg->flags); + WSM_PUT8(buf, arg->max_tx_rate); + WSM_PUT32(buf, arg->auto_scan_interval); + WSM_PUT8(buf, arg->num_probes); + WSM_PUT8(buf, arg->num_channels); + WSM_PUT8(buf, arg->num_ssids); + WSM_PUT8(buf, arg->probe_delay); + + for (i = 0; i < arg->num_channels; ++i) { + WSM_PUT16(buf, arg->ch[i].number); + WSM_PUT16(buf, 0); + WSM_PUT32(buf, arg->ch[i].min_chan_time); + WSM_PUT32(buf, arg->ch[i].max_chan_time); + WSM_PUT32(buf, 0); + } + + for (i = 0; i < arg->num_ssids; ++i) { + WSM_PUT32(buf, arg->ssids[i].length); + WSM_PUT(buf, &arg->ssids[i].ssid[0], + sizeof(arg->ssids[i].ssid)); + } + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_START_SCAN_REQ_ID, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_stop_scan(struct cw1200_common *priv) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + wsm_cmd_lock(priv); + ret = wsm_cmd_send(priv, buf, NULL, + WSM_STOP_SCAN_REQ_ID, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; +} + + +static int wsm_tx_confirm(struct cw1200_common *priv, + struct wsm_buf *buf, + int link_id) +{ + struct wsm_tx_confirm tx_confirm; + + tx_confirm.packet_id = WSM_GET32(buf); + tx_confirm.status = WSM_GET32(buf); + tx_confirm.tx_rate = WSM_GET8(buf); + tx_confirm.ack_failures = WSM_GET8(buf); + tx_confirm.flags = WSM_GET16(buf); + tx_confirm.media_delay = WSM_GET32(buf); + tx_confirm.tx_queue_delay = WSM_GET32(buf); + + cw1200_tx_confirm_cb(priv, link_id, &tx_confirm); + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +static int wsm_multi_tx_confirm(struct cw1200_common *priv, + struct wsm_buf *buf, int link_id) +{ + int ret; + int count; + int i; + + count = WSM_GET32(buf); + if (WARN_ON(count <= 0)) + return -EINVAL; + + if (count > 1) { + /* We already released one buffer, now for the rest */ + ret = wsm_release_tx_buffer(priv, count - 1); + if (ret < 0) + return ret; + else if (ret > 0) + cw1200_bh_wakeup(priv); + } + + cw1200_debug_txed_multi(priv, count); + for (i = 0; i < count; ++i) { + ret = wsm_tx_confirm(priv, buf, link_id); + if (ret) + return ret; + } + return ret; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +/* ******************************************************************** */ + +static int wsm_join_confirm(struct cw1200_common *priv, + struct wsm_join_cnf *arg, + struct wsm_buf *buf) +{ + arg->status = WSM_GET32(buf); + if (WARN_ON(arg->status) != WSM_STATUS_SUCCESS) + return -EINVAL; + + arg->min_power_level = WSM_GET32(buf); + arg->max_power_level = WSM_GET32(buf); + + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +int wsm_join(struct cw1200_common *priv, struct wsm_join *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + struct wsm_join_cnf resp; + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->mode); + WSM_PUT8(buf, arg->band); + WSM_PUT16(buf, arg->channel_number); + WSM_PUT(buf, &arg->bssid[0], sizeof(arg->bssid)); + WSM_PUT16(buf, arg->atim_window); + WSM_PUT8(buf, arg->preamble_type); + WSM_PUT8(buf, arg->probe_for_join); + WSM_PUT8(buf, arg->dtim_period); + WSM_PUT8(buf, arg->flags); + WSM_PUT32(buf, arg->ssid_len); + WSM_PUT(buf, &arg->ssid[0], sizeof(arg->ssid)); + WSM_PUT32(buf, arg->beacon_interval); + WSM_PUT32(buf, arg->basic_rate_set); + + priv->tx_burst_idx = -1; + ret = wsm_cmd_send(priv, buf, &resp, + WSM_JOIN_REQ_ID, WSM_CMD_TIMEOUT); + /* TODO: Update state based on resp.min|max_power_level */ + + priv->join_complete_status = resp.status; + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_set_bss_params(struct cw1200_common *priv, + const struct wsm_set_bss_params *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, (arg->reset_beacon_loss ? 0x1 : 0)); + WSM_PUT8(buf, arg->beacon_lost_count); + WSM_PUT16(buf, arg->aid); + WSM_PUT32(buf, arg->operational_rate_set); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_SET_BSS_PARAMS_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_add_key(struct cw1200_common *priv, const struct wsm_add_key *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT(buf, arg, sizeof(*arg)); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_ADD_KEY_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_remove_key(struct cw1200_common *priv, const struct wsm_remove_key *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->index); + WSM_PUT8(buf, 0); + WSM_PUT16(buf, 0); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_REMOVE_KEY_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_set_tx_queue_params(struct cw1200_common *priv, + const struct wsm_set_tx_queue_params *arg, u8 id) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + u8 queue_id_to_wmm_aci[] = {3, 2, 0, 1}; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, queue_id_to_wmm_aci[id]); + WSM_PUT8(buf, 0); + WSM_PUT8(buf, arg->ackPolicy); + WSM_PUT8(buf, 0); + WSM_PUT32(buf, arg->maxTransmitLifetime); + WSM_PUT16(buf, arg->allowedMediumTime); + WSM_PUT16(buf, 0); + + ret = wsm_cmd_send(priv, buf, NULL, 0x0012, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_set_edca_params(struct cw1200_common *priv, + const struct wsm_edca_params *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + /* Implemented according to specification. */ + + WSM_PUT16(buf, arg->params[3].cwmin); + WSM_PUT16(buf, arg->params[2].cwmin); + WSM_PUT16(buf, arg->params[1].cwmin); + WSM_PUT16(buf, arg->params[0].cwmin); + + WSM_PUT16(buf, arg->params[3].cwmax); + WSM_PUT16(buf, arg->params[2].cwmax); + WSM_PUT16(buf, arg->params[1].cwmax); + WSM_PUT16(buf, arg->params[0].cwmax); + + WSM_PUT8(buf, arg->params[3].aifns); + WSM_PUT8(buf, arg->params[2].aifns); + WSM_PUT8(buf, arg->params[1].aifns); + WSM_PUT8(buf, arg->params[0].aifns); + + WSM_PUT16(buf, arg->params[3].txop_limit); + WSM_PUT16(buf, arg->params[2].txop_limit); + WSM_PUT16(buf, arg->params[1].txop_limit); + WSM_PUT16(buf, arg->params[0].txop_limit); + + WSM_PUT32(buf, arg->params[3].max_rx_lifetime); + WSM_PUT32(buf, arg->params[2].max_rx_lifetime); + WSM_PUT32(buf, arg->params[1].max_rx_lifetime); + WSM_PUT32(buf, arg->params[0].max_rx_lifetime); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_EDCA_PARAMS_REQ_ID, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_switch_channel(struct cw1200_common *priv, + const struct wsm_switch_channel *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->mode); + WSM_PUT8(buf, arg->switch_count); + WSM_PUT16(buf, arg->channel_number); + + priv->channel_switch_in_progress = 1; + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_SWITCH_CHANNEL_REQ_ID, WSM_CMD_TIMEOUT); + if (ret) + priv->channel_switch_in_progress = 0; + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + priv->ps_mode_switch_in_progress = 1; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->mode); + WSM_PUT8(buf, arg->fast_psm_idle_period); + WSM_PUT8(buf, arg->ap_psm_change_period); + WSM_PUT8(buf, arg->min_auto_pspoll_period); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_SET_PM_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_start(struct cw1200_common *priv, const struct wsm_start *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT8(buf, arg->mode); + WSM_PUT8(buf, arg->band); + WSM_PUT16(buf, arg->channel_number); + WSM_PUT32(buf, arg->ct_window); + WSM_PUT32(buf, arg->beacon_interval); + WSM_PUT8(buf, arg->dtim_period); + WSM_PUT8(buf, arg->preamble); + WSM_PUT8(buf, arg->probe_delay); + WSM_PUT8(buf, arg->ssid_len); + WSM_PUT(buf, arg->ssid, sizeof(arg->ssid)); + WSM_PUT32(buf, arg->basic_rate_set); + + priv->tx_burst_idx = -1; + ret = wsm_cmd_send(priv, buf, NULL, + WSM_START_REQ_ID, WSM_CMD_START_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_beacon_transmit(struct cw1200_common *priv, + const struct wsm_beacon_transmit *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT32(buf, arg->enable_beaconing ? 1 : 0); + + ret = wsm_cmd_send(priv, buf, NULL, + WSM_BEACON_TRANSMIT_REQ_ID, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_start_find(struct cw1200_common *priv) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + ret = wsm_cmd_send(priv, buf, NULL, 0x0019, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; +} + +/* ******************************************************************** */ + +int wsm_stop_find(struct cw1200_common *priv) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + ret = wsm_cmd_send(priv, buf, NULL, 0x001A, WSM_CMD_TIMEOUT); + wsm_cmd_unlock(priv); + return ret; +} + +/* ******************************************************************** */ + +int wsm_map_link(struct cw1200_common *priv, const struct wsm_map_link *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + u16 cmd = 0x001C | WSM_TX_LINK_ID(arg->link_id); + + wsm_cmd_lock(priv); + + WSM_PUT(buf, &arg->mac_addr[0], sizeof(arg->mac_addr)); + WSM_PUT16(buf, 0); + + ret = wsm_cmd_send(priv, buf, NULL, cmd, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ + +int wsm_update_ie(struct cw1200_common *priv, + const struct wsm_update_ie *arg) +{ + int ret; + struct wsm_buf *buf = &priv->wsm_cmd_buf; + + wsm_cmd_lock(priv); + + WSM_PUT16(buf, arg->what); + WSM_PUT16(buf, arg->count); + WSM_PUT(buf, arg->ies, arg->length); + + ret = wsm_cmd_send(priv, buf, NULL, 0x001B, WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} + +/* ******************************************************************** */ +int wsm_set_probe_responder(struct cw1200_common *priv, bool enable) +{ + priv->rx_filter.probeResponder = enable; + return wsm_set_rx_filter(priv, &priv->rx_filter); +} + +/* ******************************************************************** */ +/* WSM indication events implementation */ +const char * const cw1200_fw_types[] = { + "ETF", + "WFM", + "WSM", + "HI test", + "Platform test" +}; + +static int wsm_startup_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + priv->wsm_caps.input_buffers = WSM_GET16(buf); + priv->wsm_caps.input_buffer_size = WSM_GET16(buf); + priv->wsm_caps.hw_id = WSM_GET16(buf); + priv->wsm_caps.hw_subid = WSM_GET16(buf); + priv->wsm_caps.status = WSM_GET16(buf); + priv->wsm_caps.fw_cap = WSM_GET16(buf); + priv->wsm_caps.fw_type = WSM_GET16(buf); + priv->wsm_caps.fw_api = WSM_GET16(buf); + priv->wsm_caps.fw_build = WSM_GET16(buf); + priv->wsm_caps.fw_ver = WSM_GET16(buf); + WSM_GET(buf, priv->wsm_caps.fw_label, sizeof(priv->wsm_caps.fw_label)); + priv->wsm_caps.fw_label[sizeof(priv->wsm_caps.fw_label) - 1] = 0; /* Do not trust FW too much... */ + + if (WARN_ON(priv->wsm_caps.status)) + return -EINVAL; + + if (WARN_ON(priv->wsm_caps.fw_type > 4)) + return -EINVAL; + + pr_info("CW1200 WSM init done.\n" + " Input buffers: %d x %d bytes\n" + " Hardware: %d.%d\n" + " %s firmware [%s], ver: %d, build: %d," + " api: %d, cap: 0x%.4X\n", + priv->wsm_caps.input_buffers, + priv->wsm_caps.input_buffer_size, + priv->wsm_caps.hw_id, priv->wsm_caps.hw_subid, + cw1200_fw_types[priv->wsm_caps.fw_type], + priv->wsm_caps.fw_label, priv->wsm_caps.fw_ver, + priv->wsm_caps.fw_build, + priv->wsm_caps.fw_api, priv->wsm_caps.fw_cap); + + /* Disable unsupported frequency bands */ + if (!(priv->wsm_caps.fw_cap & 0x1)) + priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; + if (!(priv->wsm_caps.fw_cap & 0x2)) + priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; + + priv->firmware_ready = 1; + wake_up(&priv->wsm_startup_done); + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +static int wsm_receive_indication(struct cw1200_common *priv, + int link_id, + struct wsm_buf *buf, + struct sk_buff **skb_p) +{ + struct wsm_rx rx; + struct ieee80211_hdr *hdr; + size_t hdr_len; + __le16 fctl; + + rx.status = WSM_GET32(buf); + rx.channel_number = WSM_GET16(buf); + rx.rx_rate = WSM_GET8(buf); + rx.rcpi_rssi = WSM_GET8(buf); + rx.flags = WSM_GET32(buf); + + /* FW Workaround: Drop probe resp or + beacon when RSSI is 0 + */ + hdr = (struct ieee80211_hdr *)(*skb_p)->data; + + if (!rx.rcpi_rssi && + (ieee80211_is_probe_resp(hdr->frame_control) || + ieee80211_is_beacon(hdr->frame_control))) + return 0; + + /* If no RSSI subscription has been made, + * convert RCPI to RSSI here + */ + if (!priv->cqm_use_rssi) + rx.rcpi_rssi = rx.rcpi_rssi / 2 - 110; + + fctl = *(__le16 *)buf->data; + hdr_len = buf->data - buf->begin; + skb_pull(*skb_p, hdr_len); + if (!rx.status && ieee80211_is_deauth(fctl)) { + if (priv->join_status == CW1200_JOIN_STATUS_STA) { + /* Shedule unjoin work */ + pr_debug("[WSM] Issue unjoin command (RX).\n"); + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, + &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + } + } + cw1200_rx_cb(priv, &rx, link_id, skb_p); + if (*skb_p) + skb_push(*skb_p, hdr_len); + + return 0; + +underflow: + return -EINVAL; +} + +static int wsm_event_indication(struct cw1200_common *priv, struct wsm_buf *buf) +{ + int first; + struct cw1200_wsm_event *event; + + if (priv->mode == NL80211_IFTYPE_UNSPECIFIED) { + /* STA is stopped. */ + return 0; + } + + event = kzalloc(sizeof(struct cw1200_wsm_event), GFP_KERNEL); + + event->evt.id = __le32_to_cpu(WSM_GET32(buf)); + event->evt.data = __le32_to_cpu(WSM_GET32(buf)); + + pr_debug("[WSM] Event: %d(%d)\n", + event->evt.id, event->evt.data); + + spin_lock(&priv->event_queue_lock); + first = list_empty(&priv->event_queue); + list_add_tail(&event->link, &priv->event_queue); + spin_unlock(&priv->event_queue_lock); + + if (first) + queue_work(priv->workqueue, &priv->event_handler); + + return 0; + +underflow: + kfree(event); + return -EINVAL; +} + +static int wsm_channel_switch_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + WARN_ON(WSM_GET32(buf)); + + priv->channel_switch_in_progress = 0; + wake_up(&priv->channel_switch_done); + + wsm_unlock_tx(priv); + + return 0; + +underflow: + return -EINVAL; +} + +static int wsm_set_pm_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + /* TODO: Check buf (struct wsm_set_pm_complete) for validity */ + if (priv->ps_mode_switch_in_progress) { + priv->ps_mode_switch_in_progress = 0; + wake_up(&priv->ps_mode_switch_done); + } + return 0; +} + +static int wsm_scan_started(struct cw1200_common *priv, void *arg, + struct wsm_buf *buf) +{ + u32 status = WSM_GET32(buf); + if (status != WSM_STATUS_SUCCESS) { + cw1200_scan_failed_cb(priv); + return -EINVAL; + } + return 0; + +underflow: + WARN_ON(1); + return -EINVAL; +} + +static int wsm_scan_complete_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + struct wsm_scan_complete arg; + arg.status = WSM_GET32(buf); + arg.psm = WSM_GET8(buf); + arg.num_channels = WSM_GET8(buf); + cw1200_scan_complete_cb(priv, &arg); + + return 0; + +underflow: + return -EINVAL; +} + +static int wsm_join_complete_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + struct wsm_join_complete arg; + arg.status = WSM_GET32(buf); + pr_debug("[WSM] Join complete indication, status: %d\n", arg.status); + cw1200_join_complete_cb(priv, &arg); + + return 0; + +underflow: + return -EINVAL; +} + +static int wsm_find_complete_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + pr_warn("Implement find_complete_indication\n"); + return 0; +} + +static int wsm_ba_timeout_indication(struct cw1200_common *priv, + struct wsm_buf *buf) +{ + u32 dummy; + u8 tid; + u8 dummy2; + u8 addr[ETH_ALEN]; + + dummy = WSM_GET32(buf); + tid = WSM_GET8(buf); + dummy2 = WSM_GET8(buf); + WSM_GET(buf, addr, ETH_ALEN); + + pr_info("BlockACK timeout, tid %d, addr %pM\n", + tid, addr); + + return 0; + +underflow: + return -EINVAL; +} + +static int wsm_suspend_resume_indication(struct cw1200_common *priv, + int link_id, struct wsm_buf *buf) +{ + u32 flags; + struct wsm_suspend_resume arg; + + flags = WSM_GET32(buf); + arg.link_id = link_id; + arg.stop = !(flags & 1); + arg.multicast = !!(flags & 8); + arg.queue = (flags >> 1) & 3; + + cw1200_suspend_resume(priv, &arg); + + return 0; + +underflow: + return -EINVAL; +} + + +/* ******************************************************************** */ +/* WSM TX */ + +static int wsm_cmd_send(struct cw1200_common *priv, + struct wsm_buf *buf, + void *arg, u16 cmd, long tmo) +{ + size_t buf_len = buf->data - buf->begin; + int ret; + + /* Don't bother if we're dead. */ + if (priv->bh_error) { + ret = 0; + goto done; + } + + /* Block until the cmd buffer is completed. Tortuous. */ + spin_lock(&priv->wsm_cmd.lock); + while (!priv->wsm_cmd.done) { + spin_unlock(&priv->wsm_cmd.lock); + spin_lock(&priv->wsm_cmd.lock); + } + priv->wsm_cmd.done = 0; + spin_unlock(&priv->wsm_cmd.lock); + + if (cmd == WSM_WRITE_MIB_REQ_ID || + cmd == WSM_READ_MIB_REQ_ID) + pr_debug("[WSM] >>> 0x%.4X [MIB: 0x%.4X] (%zu)\n", + cmd, __le16_to_cpu(((__le16 *)buf->begin)[2]), + buf_len); + else + pr_debug("[WSM] >>> 0x%.4X (%zu)\n", cmd, buf_len); + + /* + * Due to buggy SPI on CW1200, we need to + * pad the message by a few bytes to ensure + * that it's completely received. + */ +#ifdef CONFIG_CW1200_ETF + if (!etf_mode) +#endif + buf_len += 4; + + /* Fill HI message header */ + /* BH will add sequence number */ + ((__le16 *)buf->begin)[0] = __cpu_to_le16(buf_len); + ((__le16 *)buf->begin)[1] = __cpu_to_le16(cmd); + + spin_lock(&priv->wsm_cmd.lock); + BUG_ON(priv->wsm_cmd.ptr); + priv->wsm_cmd.ptr = buf->begin; + priv->wsm_cmd.len = buf_len; + priv->wsm_cmd.arg = arg; + priv->wsm_cmd.cmd = cmd; + spin_unlock(&priv->wsm_cmd.lock); + + cw1200_bh_wakeup(priv); + + /* Wait for command completion */ + ret = wait_event_timeout(priv->wsm_cmd_wq, + priv->wsm_cmd.done, tmo); + + if (!ret && !priv->wsm_cmd.done) { + spin_lock(&priv->wsm_cmd.lock); + priv->wsm_cmd.done = 1; + priv->wsm_cmd.ptr = NULL; + spin_unlock(&priv->wsm_cmd.lock); + if (priv->bh_error) { + /* Return ok to help system cleanup */ + ret = 0; + } else { + pr_err("CMD req (0x%04x) stuck in firmware, killing BH\n", priv->wsm_cmd.cmd); + print_hex_dump_bytes("REQDUMP: ", DUMP_PREFIX_NONE, + buf->begin, buf_len); + pr_err("Outstanding outgoing frames: %d\n", priv->hw_bufs_used); + + /* Kill BH thread to report the error to the top layer. */ + atomic_add(1, &priv->bh_term); + wake_up(&priv->bh_wq); + ret = -ETIMEDOUT; + } + } else { + spin_lock(&priv->wsm_cmd.lock); + BUG_ON(!priv->wsm_cmd.done); + ret = priv->wsm_cmd.ret; + spin_unlock(&priv->wsm_cmd.lock); + } +done: + wsm_buf_reset(buf); + return ret; +} + +#ifdef CONFIG_CW1200_ETF +int wsm_raw_cmd(struct cw1200_common *priv, u8 *data, size_t len) +{ + struct wsm_buf *buf = &priv->wsm_cmd_buf; + int ret; + + u16 *cmd = (u16 *)(data + 2); + + wsm_cmd_lock(priv); + + WSM_PUT(buf, data + 4, len - 4); /* Skip over header (u16+u16) */ + + ret = wsm_cmd_send(priv, buf, NULL, __le16_to_cpu(*cmd), WSM_CMD_TIMEOUT); + + wsm_cmd_unlock(priv); + return ret; + +nomem: + wsm_cmd_unlock(priv); + return -ENOMEM; +} +#endif /* CONFIG_CW1200_ETF */ + +/* ******************************************************************** */ +/* WSM TX port control */ + +void wsm_lock_tx(struct cw1200_common *priv) +{ + wsm_cmd_lock(priv); + if (atomic_add_return(1, &priv->tx_lock) == 1) { + if (wsm_flush_tx(priv)) + pr_debug("[WSM] TX is locked.\n"); + } + wsm_cmd_unlock(priv); +} + +void wsm_lock_tx_async(struct cw1200_common *priv) +{ + if (atomic_add_return(1, &priv->tx_lock) == 1) + pr_debug("[WSM] TX is locked (async).\n"); +} + +bool wsm_flush_tx(struct cw1200_common *priv) +{ + unsigned long timestamp = jiffies; + bool pending = false; + long timeout; + int i; + + /* Flush must be called with TX lock held. */ + BUG_ON(!atomic_read(&priv->tx_lock)); + + /* First check if we really need to do something. + * It is safe to use unprotected access, as hw_bufs_used + * can only decrements. + */ + if (!priv->hw_bufs_used) + return true; + + if (priv->bh_error) { + /* In case of failure do not wait for magic. */ + pr_err("[WSM] Fatal error occured, will not flush TX.\n"); + return false; + } else { + /* Get a timestamp of "oldest" frame */ + for (i = 0; i < 4; ++i) + pending |= cw1200_queue_get_xmit_timestamp( + &priv->tx_queue[i], + ×tamp, 0xffffffff); + /* If there's nothing pending, we're good */ + if (!pending) + return true; + + timeout = timestamp + WSM_CMD_LAST_CHANCE_TIMEOUT - jiffies; + if (timeout < 0 || wait_event_timeout(priv->bh_evt_wq, + !priv->hw_bufs_used, + timeout) <= 0) { + /* Hmmm... Not good. Frame had stuck in firmware. */ + priv->bh_error = 1; + wiphy_err(priv->hw->wiphy, "[WSM] TX Frames (%d) stuck in firmware, killing BH\n", priv->hw_bufs_used); + wake_up(&priv->bh_wq); + return false; + } + + /* Ok, everything is flushed. */ + return true; + } +} + +void wsm_unlock_tx(struct cw1200_common *priv) +{ + int tx_lock; + tx_lock = atomic_sub_return(1, &priv->tx_lock); + BUG_ON(tx_lock < 0); + + if (tx_lock == 0) { + if (!priv->bh_error) + cw1200_bh_wakeup(priv); + pr_debug("[WSM] TX is unlocked.\n"); + } +} + +/* ******************************************************************** */ +/* WSM RX */ + +int wsm_handle_exception(struct cw1200_common *priv, u8 *data, size_t len) +{ + struct wsm_buf buf; + u32 reason; + u32 reg[18]; + char fname[48]; + unsigned int i; + + static const char * const reason_str[] = { + "undefined instruction", + "prefetch abort", + "data abort", + "unknown error", + }; + + buf.begin = buf.data = data; + buf.end = &buf.begin[len]; + + reason = WSM_GET32(&buf); + for (i = 0; i < ARRAY_SIZE(reg); ++i) + reg[i] = WSM_GET32(&buf); + WSM_GET(&buf, fname, sizeof(fname)); + + if (reason < 4) + wiphy_err(priv->hw->wiphy, + "Firmware exception: %s.\n", + reason_str[reason]); + else + wiphy_err(priv->hw->wiphy, + "Firmware assert at %.*s, line %d\n", + (int) sizeof(fname), fname, reg[1]); + + for (i = 0; i < 12; i += 4) + wiphy_err(priv->hw->wiphy, + "R%d: 0x%.8X, R%d: 0x%.8X, R%d: 0x%.8X, R%d: 0x%.8X,\n", + i + 0, reg[i + 0], i + 1, reg[i + 1], + i + 2, reg[i + 2], i + 3, reg[i + 3]); + wiphy_err(priv->hw->wiphy, + "R12: 0x%.8X, SP: 0x%.8X, LR: 0x%.8X, PC: 0x%.8X,\n", + reg[i + 0], reg[i + 1], reg[i + 2], reg[i + 3]); + i += 4; + wiphy_err(priv->hw->wiphy, + "CPSR: 0x%.8X, SPSR: 0x%.8X\n", + reg[i + 0], reg[i + 1]); + + print_hex_dump_bytes("R1: ", DUMP_PREFIX_NONE, + fname, sizeof(fname)); + return 0; + +underflow: + wiphy_err(priv->hw->wiphy, "Firmware exception.\n"); + print_hex_dump_bytes("Exception: ", DUMP_PREFIX_NONE, + data, len); + return -EINVAL; +} + +int wsm_handle_rx(struct cw1200_common *priv, u16 id, + struct wsm_hdr *wsm, struct sk_buff **skb_p) +{ + int ret = 0; + struct wsm_buf wsm_buf; + int link_id = (id >> 6) & 0x0F; + + /* Strip link id. */ + id &= ~WSM_TX_LINK_ID(WSM_TX_LINK_ID_MAX); + + wsm_buf.begin = (u8 *)&wsm[0]; + wsm_buf.data = (u8 *)&wsm[1]; + wsm_buf.end = &wsm_buf.begin[__le32_to_cpu(wsm->len)]; + + pr_debug("[WSM] <<< 0x%.4X (%td)\n", id, + wsm_buf.end - wsm_buf.begin); + +#ifdef CONFIG_CW1200_ETF + if (etf_mode) { + struct sk_buff *skb = alloc_skb(wsm_buf.end - wsm_buf.begin, GFP_KERNEL); + + /* Strip out Sequence num before passing up */ + wsm->id = __le16_to_cpu(wsm->id); + wsm->id &= 0x0FFF; + wsm->id = __cpu_to_le16(wsm->id); + + memcpy(skb_put(skb, wsm_buf.end - wsm_buf.begin), + wsm_buf.begin, + wsm_buf.end - wsm_buf.begin); + skb_queue_tail(&priv->etf_q, skb); + + /* Special case for startup */ + if (id == WSM_STARTUP_IND_ID) { + wsm_startup_indication(priv, &wsm_buf); + } else if (id & 0x0400) { + spin_lock(&priv->wsm_cmd.lock); + priv->wsm_cmd.done = 1; + spin_unlock(&priv->wsm_cmd.lock); + wake_up(&priv->wsm_cmd_wq); + } + + goto out; + } +#endif + + if (id == WSM_TX_CONFIRM_IND_ID) { + ret = wsm_tx_confirm(priv, &wsm_buf, link_id); + } else if (id == WSM_MULTI_TX_CONFIRM_ID) { + ret = wsm_multi_tx_confirm(priv, &wsm_buf, link_id); + } else if (id & 0x0400) { + void *wsm_arg; + u16 wsm_cmd; + + /* Do not trust FW too much. Protection against repeated + * response and race condition removal (see above). + */ + spin_lock(&priv->wsm_cmd.lock); + wsm_arg = priv->wsm_cmd.arg; + wsm_cmd = priv->wsm_cmd.cmd & + ~WSM_TX_LINK_ID(WSM_TX_LINK_ID_MAX); + priv->wsm_cmd.cmd = 0xFFFF; + spin_unlock(&priv->wsm_cmd.lock); + + if (WARN_ON((id & ~0x0400) != wsm_cmd)) { + /* Note that any non-zero is a fatal retcode. */ + ret = -EINVAL; + goto out; + } + + /* Note that wsm_arg can be NULL in case of timeout in + * wsm_cmd_send(). + */ + + switch (id) { + case WSM_READ_MIB_RESP_ID: + if (wsm_arg) + ret = wsm_read_mib_confirm(priv, wsm_arg, + &wsm_buf); + break; + case WSM_WRITE_MIB_RESP_ID: + if (wsm_arg) + ret = wsm_write_mib_confirm(priv, wsm_arg, + &wsm_buf); + break; + case WSM_START_SCAN_RESP_ID: + if (wsm_arg) + ret = wsm_scan_started(priv, wsm_arg, &wsm_buf); + break; + case WSM_CONFIGURATION_RESP_ID: + if (wsm_arg) + ret = wsm_configuration_confirm(priv, wsm_arg, + &wsm_buf); + break; + case WSM_JOIN_RESP_ID: + if (wsm_arg) + ret = wsm_join_confirm(priv, wsm_arg, &wsm_buf); + break; + case WSM_STOP_SCAN_RESP_ID: + case WSM_RESET_RESP_ID: + case WSM_ADD_KEY_RESP_ID: + case WSM_REMOVE_KEY_RESP_ID: + case WSM_SET_PM_RESP_ID: + case WSM_SET_BSS_PARAMS_RESP_ID: + case 0x0412: /* set_tx_queue_params */ + case WSM_EDCA_PARAMS_RESP_ID: + case WSM_SWITCH_CHANNEL_RESP_ID: + case WSM_START_RESP_ID: + case WSM_BEACON_TRANSMIT_RESP_ID: + case 0x0419: /* start_find */ + case 0x041A: /* stop_find */ + case 0x041B: /* update_ie */ + case 0x041C: /* map_link */ + WARN_ON(wsm_arg != NULL); + ret = wsm_generic_confirm(priv, wsm_arg, &wsm_buf); + if (ret) { + wiphy_warn(priv->hw->wiphy, + "wsm_generic_confirm failed for request 0x%04x.\n", + id & ~0x0400); + + /* often 0x407 and 0x410 occur, this means we're dead.. */ + if (priv->join_status >= CW1200_JOIN_STATUS_JOINING) { + wsm_lock_tx(priv); + if (queue_work(priv->workqueue, &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + } + } + break; + default: + wiphy_warn(priv->hw->wiphy, + "Unrecognized confirmation 0x%04x\n", + id & ~0x0400); + } + + spin_lock(&priv->wsm_cmd.lock); + priv->wsm_cmd.ret = ret; + priv->wsm_cmd.done = 1; + spin_unlock(&priv->wsm_cmd.lock); + + ret = 0; /* Error response from device should ne stop BH. */ + + wake_up(&priv->wsm_cmd_wq); + } else if (id & 0x0800) { + switch (id) { + case WSM_STARTUP_IND_ID: + ret = wsm_startup_indication(priv, &wsm_buf); + break; + case WSM_RECEIVE_IND_ID: + ret = wsm_receive_indication(priv, link_id, + &wsm_buf, skb_p); + break; + case 0x0805: + ret = wsm_event_indication(priv, &wsm_buf); + break; + case WSM_SCAN_COMPLETE_IND_ID: + ret = wsm_scan_complete_indication(priv, &wsm_buf); + break; + case 0x0808: + ret = wsm_ba_timeout_indication(priv, &wsm_buf); + break; + case 0x0809: + ret = wsm_set_pm_indication(priv, &wsm_buf); + break; + case 0x080A: + ret = wsm_channel_switch_indication(priv, &wsm_buf); + break; + case 0x080B: + ret = wsm_find_complete_indication(priv, &wsm_buf); + break; + case 0x080C: + ret = wsm_suspend_resume_indication(priv, + link_id, &wsm_buf); + break; + case 0x080F: + ret = wsm_join_complete_indication(priv, &wsm_buf); + break; + default: + pr_warn("Unrecognised WSM ID %04x\n", id); + } + } else { + WARN_ON(1); + ret = -EINVAL; + } +out: + return ret; +} + +static bool wsm_handle_tx_data(struct cw1200_common *priv, + struct wsm_tx *wsm, + const struct ieee80211_tx_info *tx_info, + const struct cw1200_txpriv *txpriv, + struct cw1200_queue *queue) +{ + bool handled = false; + const struct ieee80211_hdr *frame = + (struct ieee80211_hdr *)&((u8 *)wsm)[txpriv->offset]; + __le16 fctl = frame->frame_control; + enum { + do_probe, + do_drop, + do_wep, + do_tx, + } action = do_tx; + + switch (priv->mode) { + case NL80211_IFTYPE_STATION: + if (priv->join_status == CW1200_JOIN_STATUS_MONITOR) + action = do_tx; + else if (priv->join_status < CW1200_JOIN_STATUS_PRE_STA) + action = do_drop; + break; + case NL80211_IFTYPE_AP: + if (!priv->join_status) { + action = do_drop; + } else if (!(BIT(txpriv->raw_link_id) & + (BIT(0) | priv->link_id_map))) { + wiphy_warn(priv->hw->wiphy, + "A frame with expired link id is dropped.\n"); + action = do_drop; + } + if (cw1200_queue_get_generation(wsm->packet_id) > + CW1200_MAX_REQUEUE_ATTEMPTS) { + /* HACK!!! WSM324 firmware has tendency to requeue + * multicast frames in a loop, causing performance + * drop and high power consumption of the driver. + * In this situation it is better just to drop + * the problematic frame. + */ + wiphy_warn(priv->hw->wiphy, + "Too many attempts to requeue a frame; dropped.\n"); + action = do_drop; + } + break; + case NL80211_IFTYPE_ADHOC: + if (priv->join_status != CW1200_JOIN_STATUS_IBSS) + action = do_drop; + break; + case NL80211_IFTYPE_MESH_POINT: + action = do_tx; /* TODO: Test me! */ + break; + case NL80211_IFTYPE_MONITOR: + default: + action = do_drop; + break; + } + + if (action == do_tx) { + if (ieee80211_is_nullfunc(fctl)) { + spin_lock(&priv->bss_loss_lock); + if (priv->bss_loss_state) { + priv->bss_loss_confirm_id = wsm->packet_id; + wsm->queue_id = WSM_QUEUE_VOICE; + } + spin_unlock(&priv->bss_loss_lock); + } else if (ieee80211_is_probe_req(fctl)) { + action = do_probe; + } else if (ieee80211_is_deauth(fctl) && + priv->mode != NL80211_IFTYPE_AP) { + pr_debug("[WSM] Issue unjoin command due to tx deauth.\n"); + wsm_lock_tx_async(priv); + if (queue_work(priv->workqueue, + &priv->unjoin_work) <= 0) + wsm_unlock_tx(priv); + } else if (ieee80211_has_protected(fctl) && + tx_info->control.hw_key && + tx_info->control.hw_key->keyidx != priv->wep_default_key_id && + (tx_info->control.hw_key->cipher == WLAN_CIPHER_SUITE_WEP40 || + tx_info->control.hw_key->cipher == WLAN_CIPHER_SUITE_WEP104)) { + action = do_wep; + } + } + + switch (action) { + case do_probe: + /* An interesting FW "feature". Device filters probe responses. + * The easiest way to get it back is to convert + * probe request into WSM start_scan command. + */ + pr_debug("[WSM] Convert probe request to scan.\n"); + wsm_lock_tx_async(priv); + priv->pending_frame_id = __le32_to_cpu(wsm->packet_id); + if (queue_delayed_work(priv->workqueue, + &priv->scan.probe_work, 0) <= 0) + wsm_unlock_tx(priv); + handled = true; + break; + case do_drop: + pr_debug("[WSM] Drop frame (0x%.4X).\n", fctl); + BUG_ON(cw1200_queue_remove(queue, + __le32_to_cpu(wsm->packet_id))); + handled = true; + break; + case do_wep: + pr_debug("[WSM] Issue set_default_wep_key.\n"); + wsm_lock_tx_async(priv); + priv->wep_default_key_id = tx_info->control.hw_key->keyidx; + priv->pending_frame_id = __le32_to_cpu(wsm->packet_id); + if (queue_work(priv->workqueue, &priv->wep_key_work) <= 0) + wsm_unlock_tx(priv); + handled = true; + break; + case do_tx: + pr_debug("[WSM] Transmit frame.\n"); + break; + default: + /* Do nothing */ + break; + } + return handled; +} + +static int cw1200_get_prio_queue(struct cw1200_common *priv, + u32 link_id_map, int *total) +{ + static const int urgent = BIT(CW1200_LINK_ID_AFTER_DTIM) | + BIT(CW1200_LINK_ID_UAPSD); + struct wsm_edca_queue_params *edca; + unsigned score, best = -1; + int winner = -1; + int queued; + int i; + + /* search for a winner using edca params */ + for (i = 0; i < 4; ++i) { + queued = cw1200_queue_get_num_queued(&priv->tx_queue[i], + link_id_map); + if (!queued) + continue; + *total += queued; + edca = &priv->edca.params[i]; + score = ((edca->aifns + edca->cwmin) << 16) + + ((edca->cwmax - edca->cwmin) * + (get_random_int() & 0xFFFF)); + if (score < best && (winner < 0 || i != 3)) { + best = score; + winner = i; + } + } + + /* override winner if bursting */ + if (winner >= 0 && priv->tx_burst_idx >= 0 && + winner != priv->tx_burst_idx && + !cw1200_queue_get_num_queued( + &priv->tx_queue[winner], + link_id_map & urgent) && + cw1200_queue_get_num_queued( + &priv->tx_queue[priv->tx_burst_idx], + link_id_map)) + winner = priv->tx_burst_idx; + + return winner; +} + +static int wsm_get_tx_queue_and_mask(struct cw1200_common *priv, + struct cw1200_queue **queue_p, + u32 *tx_allowed_mask_p, + bool *more) +{ + int idx; + u32 tx_allowed_mask; + int total = 0; + + /* Search for a queue with multicast frames buffered */ + if (priv->tx_multicast) { + tx_allowed_mask = BIT(CW1200_LINK_ID_AFTER_DTIM); + idx = cw1200_get_prio_queue(priv, + tx_allowed_mask, &total); + if (idx >= 0) { + *more = total > 1; + goto found; + } + } + + /* Search for unicast traffic */ + tx_allowed_mask = ~priv->sta_asleep_mask; + tx_allowed_mask |= BIT(CW1200_LINK_ID_UAPSD); + if (priv->sta_asleep_mask) { + tx_allowed_mask |= priv->pspoll_mask; + tx_allowed_mask &= ~BIT(CW1200_LINK_ID_AFTER_DTIM); + } else { + tx_allowed_mask |= BIT(CW1200_LINK_ID_AFTER_DTIM); + } + idx = cw1200_get_prio_queue(priv, + tx_allowed_mask, &total); + if (idx < 0) + return -ENOENT; + +found: + *queue_p = &priv->tx_queue[idx]; + *tx_allowed_mask_p = tx_allowed_mask; + return 0; +} + +int wsm_get_tx(struct cw1200_common *priv, u8 **data, + size_t *tx_len, int *burst) +{ + struct wsm_tx *wsm = NULL; + struct ieee80211_tx_info *tx_info; + struct cw1200_queue *queue = NULL; + int queue_num; + u32 tx_allowed_mask = 0; + const struct cw1200_txpriv *txpriv = NULL; + int count = 0; + + /* More is used only for broadcasts. */ + bool more = false; + +#ifdef CONFIG_CW1200_ITP + count = cw1200_itp_get_tx(priv, data, tx_len, burst); + if (count) + return count; +#endif + + if (priv->wsm_cmd.ptr) { /* CMD request */ + ++count; + spin_lock(&priv->wsm_cmd.lock); + BUG_ON(!priv->wsm_cmd.ptr); + *data = priv->wsm_cmd.ptr; + *tx_len = priv->wsm_cmd.len; + *burst = 1; + spin_unlock(&priv->wsm_cmd.lock); + } else { + for (;;) { + int ret; + + if (atomic_add_return(0, &priv->tx_lock)) + break; + + spin_lock_bh(&priv->ps_state_lock); + + ret = wsm_get_tx_queue_and_mask(priv, &queue, + &tx_allowed_mask, &more); + queue_num = queue - priv->tx_queue; + + if (priv->buffered_multicasts && + (ret || !more) && + (priv->tx_multicast || !priv->sta_asleep_mask)) { + priv->buffered_multicasts = false; + if (priv->tx_multicast) { + priv->tx_multicast = false; + queue_work(priv->workqueue, + &priv->multicast_stop_work); + } + } + + spin_unlock_bh(&priv->ps_state_lock); + + if (ret) + break; + + if (cw1200_queue_get(queue, + tx_allowed_mask, + &wsm, &tx_info, &txpriv)) + continue; + + if (wsm_handle_tx_data(priv, wsm, + tx_info, txpriv, queue)) + continue; /* Handled by WSM */ + + wsm->hdr.id &= __cpu_to_le16( + ~WSM_TX_LINK_ID(WSM_TX_LINK_ID_MAX)); + wsm->hdr.id |= cpu_to_le16( + WSM_TX_LINK_ID(txpriv->raw_link_id)); + priv->pspoll_mask &= ~BIT(txpriv->raw_link_id); + + *data = (u8 *)wsm; + *tx_len = __le16_to_cpu(wsm->hdr.len); + + /* allow bursting if txop is set */ + if (priv->edca.params[queue_num].txop_limit) + *burst = min(*burst, + (int)cw1200_queue_get_num_queued(queue, tx_allowed_mask) + 1); + else + *burst = 1; + + /* store index of bursting queue */ + if (*burst > 1) + priv->tx_burst_idx = queue_num; + else + priv->tx_burst_idx = -1; + + if (more) { + struct ieee80211_hdr *hdr = + (struct ieee80211_hdr *) + &((u8 *)wsm)[txpriv->offset]; + /* more buffered multicast/broadcast frames + * ==> set MoreData flag in IEEE 802.11 header + * to inform PS STAs + */ + hdr->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); + } + + pr_debug("[WSM] >>> 0x%.4X (%zu) %p %c\n", + 0x0004, *tx_len, *data, + wsm->more ? 'M' : ' '); + ++count; + break; + } + } + + return count; +} + +void wsm_txed(struct cw1200_common *priv, u8 *data) +{ + if (data == priv->wsm_cmd.ptr) { + spin_lock(&priv->wsm_cmd.lock); + priv->wsm_cmd.ptr = NULL; + spin_unlock(&priv->wsm_cmd.lock); + } +} + +/* ******************************************************************** */ +/* WSM buffer */ + +void wsm_buf_init(struct wsm_buf *buf) +{ + BUG_ON(buf->begin); + buf->begin = kmalloc(FWLOAD_BLOCK_SIZE, GFP_KERNEL | GFP_DMA); + buf->end = buf->begin ? &buf->begin[FWLOAD_BLOCK_SIZE] : buf->begin; + wsm_buf_reset(buf); +} + +void wsm_buf_deinit(struct wsm_buf *buf) +{ + kfree(buf->begin); + buf->begin = buf->data = buf->end = NULL; +} + +static void wsm_buf_reset(struct wsm_buf *buf) +{ + if (buf->begin) { + buf->data = &buf->begin[4]; + *(u32 *)buf->begin = 0; + } else { + buf->data = buf->begin; + } +} + +static int wsm_buf_reserve(struct wsm_buf *buf, size_t extra_size) +{ + size_t pos = buf->data - buf->begin; + size_t size = pos + extra_size; + + size = round_up(size, FWLOAD_BLOCK_SIZE); + + buf->begin = krealloc(buf->begin, size, GFP_KERNEL | GFP_DMA); + if (buf->begin) { + buf->data = &buf->begin[pos]; + buf->end = &buf->begin[size]; + return 0; + } else { + buf->end = buf->data = buf->begin; + return -ENOMEM; + } +} diff --git a/drivers/net/wireless/cw1200/wsm.h b/drivers/net/wireless/cw1200/wsm.h new file mode 100644 index 000000000000..8d902d6a7dc4 --- /dev/null +++ b/drivers/net/wireless/cw1200/wsm.h @@ -0,0 +1,1879 @@ +/* + * WSM host interface (HI) interface for ST-Ericsson CW1200 mac80211 drivers + * + * Copyright (c) 2010, ST-Ericsson + * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> + * + * Based on CW1200 UMAC WSM API, which is + * Copyright (C) ST-Ericsson SA 2010 + * Author: Stewart Mathers <stewart.mathers@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef CW1200_WSM_H_INCLUDED +#define CW1200_WSM_H_INCLUDED + +#include <linux/spinlock.h> + +struct cw1200_common; + +/* Bands */ +/* Radio band 2.412 -2.484 GHz. */ +#define WSM_PHY_BAND_2_4G (0) + +/* Radio band 4.9375-5.8250 GHz. */ +#define WSM_PHY_BAND_5G (1) + +/* Transmit rates */ +/* 1 Mbps ERP-DSSS */ +#define WSM_TRANSMIT_RATE_1 (0) + +/* 2 Mbps ERP-DSSS */ +#define WSM_TRANSMIT_RATE_2 (1) + +/* 5.5 Mbps ERP-CCK */ +#define WSM_TRANSMIT_RATE_5 (2) + +/* 11 Mbps ERP-CCK */ +#define WSM_TRANSMIT_RATE_11 (3) + +/* 22 Mbps ERP-PBCC (Not supported) */ +/* #define WSM_TRANSMIT_RATE_22 (4) */ + +/* 33 Mbps ERP-PBCC (Not supported) */ +/* #define WSM_TRANSMIT_RATE_33 (5) */ + +/* 6 Mbps (3 Mbps) ERP-OFDM, BPSK coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_6 (6) + +/* 9 Mbps (4.5 Mbps) ERP-OFDM, BPSK coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_9 (7) + +/* 12 Mbps (6 Mbps) ERP-OFDM, QPSK coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_12 (8) + +/* 18 Mbps (9 Mbps) ERP-OFDM, QPSK coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_18 (9) + +/* 24 Mbps (12 Mbps) ERP-OFDM, 16QAM coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_24 (10) + +/* 36 Mbps (18 Mbps) ERP-OFDM, 16QAM coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_36 (11) + +/* 48 Mbps (24 Mbps) ERP-OFDM, 64QAM coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_48 (12) + +/* 54 Mbps (27 Mbps) ERP-OFDM, 64QAM coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_54 (13) + +/* 6.5 Mbps HT-OFDM, BPSK coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_HT_6 (14) + +/* 13 Mbps HT-OFDM, QPSK coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_HT_13 (15) + +/* 19.5 Mbps HT-OFDM, QPSK coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_HT_19 (16) + +/* 26 Mbps HT-OFDM, 16QAM coding rate 1/2 */ +#define WSM_TRANSMIT_RATE_HT_26 (17) + +/* 39 Mbps HT-OFDM, 16QAM coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_HT_39 (18) + +/* 52 Mbps HT-OFDM, 64QAM coding rate 2/3 */ +#define WSM_TRANSMIT_RATE_HT_52 (19) + +/* 58.5 Mbps HT-OFDM, 64QAM coding rate 3/4 */ +#define WSM_TRANSMIT_RATE_HT_58 (20) + +/* 65 Mbps HT-OFDM, 64QAM coding rate 5/6 */ +#define WSM_TRANSMIT_RATE_HT_65 (21) + +/* Scan types */ +/* Foreground scan */ +#define WSM_SCAN_TYPE_FOREGROUND (0) + +/* Background scan */ +#define WSM_SCAN_TYPE_BACKGROUND (1) + +/* Auto scan */ +#define WSM_SCAN_TYPE_AUTO (2) + +/* Scan flags */ +/* Forced background scan means if the station cannot */ +/* enter the power-save mode, it shall force to perform a */ +/* background scan. Only valid when ScanType is */ +/* background scan. */ +#define WSM_SCAN_FLAG_FORCE_BACKGROUND (BIT(0)) + +/* The WLAN device scans one channel at a time so */ +/* that disturbance to the data traffic is minimized. */ +#define WSM_SCAN_FLAG_SPLIT_METHOD (BIT(1)) + +/* Preamble Type. Long if not set. */ +#define WSM_SCAN_FLAG_SHORT_PREAMBLE (BIT(2)) + +/* 11n Tx Mode. Mixed if not set. */ +#define WSM_SCAN_FLAG_11N_GREENFIELD (BIT(3)) + +/* Scan constraints */ +/* Maximum number of channels to be scanned. */ +#define WSM_SCAN_MAX_NUM_OF_CHANNELS (48) + +/* The maximum number of SSIDs that the device can scan for. */ +#define WSM_SCAN_MAX_NUM_OF_SSIDS (2) + +/* Power management modes */ +/* 802.11 Active mode */ +#define WSM_PSM_ACTIVE (0) + +/* 802.11 PS mode */ +#define WSM_PSM_PS BIT(0) + +/* Fast Power Save bit */ +#define WSM_PSM_FAST_PS_FLAG BIT(7) + +/* Dynamic aka Fast power save */ +#define WSM_PSM_FAST_PS (BIT(0) | BIT(7)) + +/* Undetermined */ +/* Note : Undetermined status is reported when the */ +/* NULL data frame used to advertise the PM mode to */ +/* the AP at Pre or Post Background Scan is not Acknowledged */ +#define WSM_PSM_UNKNOWN BIT(1) + +/* Queue IDs */ +/* best effort/legacy */ +#define WSM_QUEUE_BEST_EFFORT (0) + +/* background */ +#define WSM_QUEUE_BACKGROUND (1) + +/* video */ +#define WSM_QUEUE_VIDEO (2) + +/* voice */ +#define WSM_QUEUE_VOICE (3) + +/* HT TX parameters */ +/* Non-HT */ +#define WSM_HT_TX_NON_HT (0) + +/* Mixed format */ +#define WSM_HT_TX_MIXED (1) + +/* Greenfield format */ +#define WSM_HT_TX_GREENFIELD (2) + +/* STBC allowed */ +#define WSM_HT_TX_STBC (BIT(7)) + +/* EPTA prioirty flags for BT Coex */ +/* default epta priority */ +#define WSM_EPTA_PRIORITY_DEFAULT 4 +/* use for normal data */ +#define WSM_EPTA_PRIORITY_DATA 4 +/* use for connect/disconnect/roaming*/ +#define WSM_EPTA_PRIORITY_MGT 5 +/* use for action frames */ +#define WSM_EPTA_PRIORITY_ACTION 5 +/* use for AC_VI data */ +#define WSM_EPTA_PRIORITY_VIDEO 5 +/* use for AC_VO data */ +#define WSM_EPTA_PRIORITY_VOICE 6 +/* use for EAPOL exchange */ +#define WSM_EPTA_PRIORITY_EAPOL 7 + +/* TX status */ +/* Frame was sent aggregated */ +/* Only valid for WSM_SUCCESS status. */ +#define WSM_TX_STATUS_AGGREGATION (BIT(0)) + +/* Host should requeue this frame later. */ +/* Valid only when status is WSM_REQUEUE. */ +#define WSM_TX_STATUS_REQUEUE (BIT(1)) + +/* Normal Ack */ +#define WSM_TX_STATUS_NORMAL_ACK (0<<2) + +/* No Ack */ +#define WSM_TX_STATUS_NO_ACK (1<<2) + +/* No explicit acknowledgement */ +#define WSM_TX_STATUS_NO_EXPLICIT_ACK (2<<2) + +/* Block Ack */ +/* Only valid for WSM_SUCCESS status. */ +#define WSM_TX_STATUS_BLOCK_ACK (3<<2) + +/* RX status */ +/* Unencrypted */ +#define WSM_RX_STATUS_UNENCRYPTED (0<<0) + +/* WEP */ +#define WSM_RX_STATUS_WEP (1<<0) + +/* TKIP */ +#define WSM_RX_STATUS_TKIP (2<<0) + +/* AES */ +#define WSM_RX_STATUS_AES (3<<0) + +/* WAPI */ +#define WSM_RX_STATUS_WAPI (4<<0) + +/* Macro to fetch encryption subfield. */ +#define WSM_RX_STATUS_ENCRYPTION(status) ((status) & 0x07) + +/* Frame was part of an aggregation */ +#define WSM_RX_STATUS_AGGREGATE (BIT(3)) + +/* Frame was first in the aggregation */ +#define WSM_RX_STATUS_AGGREGATE_FIRST (BIT(4)) + +/* Frame was last in the aggregation */ +#define WSM_RX_STATUS_AGGREGATE_LAST (BIT(5)) + +/* Indicates a defragmented frame */ +#define WSM_RX_STATUS_DEFRAGMENTED (BIT(6)) + +/* Indicates a Beacon frame */ +#define WSM_RX_STATUS_BEACON (BIT(7)) + +/* Indicates STA bit beacon TIM field */ +#define WSM_RX_STATUS_TIM (BIT(8)) + +/* Indicates Beacon frame's virtual bitmap contains multicast bit */ +#define WSM_RX_STATUS_MULTICAST (BIT(9)) + +/* Indicates frame contains a matching SSID */ +#define WSM_RX_STATUS_MATCHING_SSID (BIT(10)) + +/* Indicates frame contains a matching BSSI */ +#define WSM_RX_STATUS_MATCHING_BSSI (BIT(11)) + +/* Indicates More bit set in Framectl field */ +#define WSM_RX_STATUS_MORE_DATA (BIT(12)) + +/* Indicates frame received during a measurement process */ +#define WSM_RX_STATUS_MEASUREMENT (BIT(13)) + +/* Indicates frame received as an HT packet */ +#define WSM_RX_STATUS_HT (BIT(14)) + +/* Indicates frame received with STBC */ +#define WSM_RX_STATUS_STBC (BIT(15)) + +/* Indicates Address 1 field matches dot11StationId */ +#define WSM_RX_STATUS_ADDRESS1 (BIT(16)) + +/* Indicates Group address present in the Address 1 field */ +#define WSM_RX_STATUS_GROUP (BIT(17)) + +/* Indicates Broadcast address present in the Address 1 field */ +#define WSM_RX_STATUS_BROADCAST (BIT(18)) + +/* Indicates group key used with encrypted frames */ +#define WSM_RX_STATUS_GROUP_KEY (BIT(19)) + +/* Macro to fetch encryption key index. */ +#define WSM_RX_STATUS_KEY_IDX(status) (((status >> 20)) & 0x0F) + +/* Indicates TSF inclusion after 802.11 frame body */ +#define WSM_RX_STATUS_TSF_INCLUDED (BIT(24)) + +/* Frame Control field starts at Frame offset + 2 */ +#define WSM_TX_2BYTES_SHIFT (BIT(7)) + +/* Join mode */ +/* IBSS */ +#define WSM_JOIN_MODE_IBSS (0) + +/* BSS */ +#define WSM_JOIN_MODE_BSS (1) + +/* PLCP preamble type */ +/* For long preamble */ +#define WSM_JOIN_PREAMBLE_LONG (0) + +/* For short preamble (Long for 1Mbps) */ +#define WSM_JOIN_PREAMBLE_SHORT (1) + +/* For short preamble (Long for 1 and 2Mbps) */ +#define WSM_JOIN_PREAMBLE_SHORT_2 (2) + +/* Join flags */ +/* Unsynchronized */ +#define WSM_JOIN_FLAGS_UNSYNCRONIZED BIT(0) +/* The BSS owner is a P2P GO */ +#define WSM_JOIN_FLAGS_P2P_GO BIT(1) +/* Force to join BSS with the BSSID and the + * SSID specified without waiting for beacons. The + * ProbeForJoin parameter is ignored. */ +#define WSM_JOIN_FLAGS_FORCE BIT(2) +/* Give probe request/response higher + * priority over the BT traffic */ +#define WSM_JOIN_FLAGS_PRIO BIT(3) +/* Issue immediate join confirmation and use + * join complete to notify about completion */ +#define WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND BIT(5) + +/* Key types */ +#define WSM_KEY_TYPE_WEP_DEFAULT (0) +#define WSM_KEY_TYPE_WEP_PAIRWISE (1) +#define WSM_KEY_TYPE_TKIP_GROUP (2) +#define WSM_KEY_TYPE_TKIP_PAIRWISE (3) +#define WSM_KEY_TYPE_AES_GROUP (4) +#define WSM_KEY_TYPE_AES_PAIRWISE (5) +#define WSM_KEY_TYPE_WAPI_GROUP (6) +#define WSM_KEY_TYPE_WAPI_PAIRWISE (7) + +/* Key indexes */ +#define WSM_KEY_MAX_INDEX (10) + +/* ACK policy */ +#define WSM_ACK_POLICY_NORMAL (0) +#define WSM_ACK_POLICY_NO_ACK (1) + +/* Start modes */ +#define WSM_START_MODE_AP (0) /* Mini AP */ +#define WSM_START_MODE_P2P_GO (1) /* P2P GO */ +#define WSM_START_MODE_P2P_DEV (2) /* P2P device */ + +/* SetAssociationMode MIB flags */ +#define WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE (BIT(0)) +#define WSM_ASSOCIATION_MODE_USE_HT_MODE (BIT(1)) +#define WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET (BIT(2)) +#define WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING (BIT(3)) +#define WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES (BIT(4)) + +/* RcpiRssiThreshold MIB flags */ +#define WSM_RCPI_RSSI_THRESHOLD_ENABLE (BIT(0)) +#define WSM_RCPI_RSSI_USE_RSSI (BIT(1)) +#define WSM_RCPI_RSSI_DONT_USE_UPPER (BIT(2)) +#define WSM_RCPI_RSSI_DONT_USE_LOWER (BIT(3)) + +/* Update-ie constants */ +#define WSM_UPDATE_IE_BEACON (BIT(0)) +#define WSM_UPDATE_IE_PROBE_RESP (BIT(1)) +#define WSM_UPDATE_IE_PROBE_REQ (BIT(2)) + +/* WSM events */ +/* Error */ +#define WSM_EVENT_ERROR (0) + +/* BSS lost */ +#define WSM_EVENT_BSS_LOST (1) + +/* BSS regained */ +#define WSM_EVENT_BSS_REGAINED (2) + +/* Radar detected */ +#define WSM_EVENT_RADAR_DETECTED (3) + +/* RCPI or RSSI threshold triggered */ +#define WSM_EVENT_RCPI_RSSI (4) + +/* BT inactive */ +#define WSM_EVENT_BT_INACTIVE (5) + +/* BT active */ +#define WSM_EVENT_BT_ACTIVE (6) + +/* MIB IDs */ +/* 4.1 dot11StationId */ +#define WSM_MIB_ID_DOT11_STATION_ID 0x0000 + +/* 4.2 dot11MaxtransmitMsduLifeTime */ +#define WSM_MIB_ID_DOT11_MAX_TRANSMIT_LIFTIME 0x0001 + +/* 4.3 dot11MaxReceiveLifeTime */ +#define WSM_MIB_ID_DOT11_MAX_RECEIVE_LIFETIME 0x0002 + +/* 4.4 dot11SlotTime */ +#define WSM_MIB_ID_DOT11_SLOT_TIME 0x0003 + +/* 4.5 dot11GroupAddressesTable */ +#define WSM_MIB_ID_DOT11_GROUP_ADDRESSES_TABLE 0x0004 +#define WSM_MAX_GRP_ADDRTABLE_ENTRIES 8 + +/* 4.6 dot11WepDefaultKeyId */ +#define WSM_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID 0x0005 + +/* 4.7 dot11CurrentTxPowerLevel */ +#define WSM_MIB_ID_DOT11_CURRENT_TX_POWER_LEVEL 0x0006 + +/* 4.8 dot11RTSThreshold */ +#define WSM_MIB_ID_DOT11_RTS_THRESHOLD 0x0007 + +/* 4.9 NonErpProtection */ +#define WSM_MIB_ID_NON_ERP_PROTECTION 0x1000 + +/* 4.10 ArpIpAddressesTable */ +#define WSM_MIB_ID_ARP_IP_ADDRESSES_TABLE 0x1001 +#define WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES 1 + +/* 4.11 TemplateFrame */ +#define WSM_MIB_ID_TEMPLATE_FRAME 0x1002 + +/* 4.12 RxFilter */ +#define WSM_MIB_ID_RX_FILTER 0x1003 + +/* 4.13 BeaconFilterTable */ +#define WSM_MIB_ID_BEACON_FILTER_TABLE 0x1004 + +/* 4.14 BeaconFilterEnable */ +#define WSM_MIB_ID_BEACON_FILTER_ENABLE 0x1005 + +/* 4.15 OperationalPowerMode */ +#define WSM_MIB_ID_OPERATIONAL_POWER_MODE 0x1006 + +/* 4.16 BeaconWakeUpPeriod */ +#define WSM_MIB_ID_BEACON_WAKEUP_PERIOD 0x1007 + +/* 4.17 RcpiRssiThreshold */ +#define WSM_MIB_ID_RCPI_RSSI_THRESHOLD 0x1009 + +/* 4.18 StatisticsTable */ +#define WSM_MIB_ID_STATISTICS_TABLE 0x100A + +/* 4.19 IbssPsConfig */ +#define WSM_MIB_ID_IBSS_PS_CONFIG 0x100B + +/* 4.20 CountersTable */ +#define WSM_MIB_ID_COUNTERS_TABLE 0x100C + +/* 4.21 BlockAckPolicy */ +#define WSM_MIB_ID_BLOCK_ACK_POLICY 0x100E + +/* 4.22 OverrideInternalTxRate */ +#define WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE 0x100F + +/* 4.23 SetAssociationMode */ +#define WSM_MIB_ID_SET_ASSOCIATION_MODE 0x1010 + +/* 4.24 UpdateEptaConfigData */ +#define WSM_MIB_ID_UPDATE_EPTA_CONFIG_DATA 0x1011 + +/* 4.25 SelectCcaMethod */ +#define WSM_MIB_ID_SELECT_CCA_METHOD 0x1012 + +/* 4.26 SetUpasdInformation */ +#define WSM_MIB_ID_SET_UAPSD_INFORMATION 0x1013 + +/* 4.27 SetAutoCalibrationMode WBF00004073 */ +#define WSM_MIB_ID_SET_AUTO_CALIBRATION_MODE 0x1015 + +/* 4.28 SetTxRateRetryPolicy */ +#define WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY 0x1016 + +/* 4.29 SetHostMessageTypeFilter */ +#define WSM_MIB_ID_SET_HOST_MSG_TYPE_FILTER 0x1017 + +/* 4.30 P2PFindInfo */ +#define WSM_MIB_ID_P2P_FIND_INFO 0x1018 + +/* 4.31 P2PPsModeInfo */ +#define WSM_MIB_ID_P2P_PS_MODE_INFO 0x1019 + +/* 4.32 SetEtherTypeDataFrameFilter */ +#define WSM_MIB_ID_SET_ETHERTYPE_DATAFRAME_FILTER 0x101A + +/* 4.33 SetUDPPortDataFrameFilter */ +#define WSM_MIB_ID_SET_UDPPORT_DATAFRAME_FILTER 0x101B + +/* 4.34 SetMagicDataFrameFilter */ +#define WSM_MIB_ID_SET_MAGIC_DATAFRAME_FILTER 0x101C + +/* 4.35 P2PDeviceInfo */ +#define WSM_MIB_ID_P2P_DEVICE_INFO 0x101D + +/* 4.36 SetWCDMABand */ +#define WSM_MIB_ID_SET_WCDMA_BAND 0x101E + +/* 4.37 GroupTxSequenceCounter */ +#define WSM_MIB_ID_GRP_SEQ_COUNTER 0x101F + +/* 4.38 ProtectedMgmtPolicy */ +#define WSM_MIB_ID_PROTECTED_MGMT_POLICY 0x1020 + +/* 4.39 SetHtProtection */ +#define WSM_MIB_ID_SET_HT_PROTECTION 0x1021 + +/* 4.40 GPIO Command */ +#define WSM_MIB_ID_GPIO_COMMAND 0x1022 + +/* 4.41 TSF Counter Value */ +#define WSM_MIB_ID_TSF_COUNTER 0x1023 + +/* Test Purposes Only */ +#define WSM_MIB_ID_BLOCK_ACK_INFO 0x100D + +/* 4.42 UseMultiTxConfMessage */ +#define WSM_MIB_USE_MULTI_TX_CONF 0x1024 + +/* 4.43 Keep-alive period */ +#define WSM_MIB_ID_KEEP_ALIVE_PERIOD 0x1025 + +/* 4.44 Disable BSSID filter */ +#define WSM_MIB_ID_DISABLE_BSSID_FILTER 0x1026 + +/* Frame template types */ +#define WSM_FRAME_TYPE_PROBE_REQUEST (0) +#define WSM_FRAME_TYPE_BEACON (1) +#define WSM_FRAME_TYPE_NULL (2) +#define WSM_FRAME_TYPE_QOS_NULL (3) +#define WSM_FRAME_TYPE_PS_POLL (4) +#define WSM_FRAME_TYPE_PROBE_RESPONSE (5) + +#define WSM_FRAME_GREENFIELD (0x80) /* See 4.11 */ + +/* Status */ +/* The WSM firmware has completed a request */ +/* successfully. */ +#define WSM_STATUS_SUCCESS (0) + +/* This is a generic failure code if other error codes do */ +/* not apply. */ +#define WSM_STATUS_FAILURE (1) + +/* A request contains one or more invalid parameters. */ +#define WSM_INVALID_PARAMETER (2) + +/* The request cannot perform because the device is in */ +/* an inappropriate mode. */ +#define WSM_ACCESS_DENIED (3) + +/* The frame received includes a decryption error. */ +#define WSM_STATUS_DECRYPTFAILURE (4) + +/* A MIC failure is detected in the received packets. */ +#define WSM_STATUS_MICFAILURE (5) + +/* The transmit request failed due to retry limit being */ +/* exceeded. */ +#define WSM_STATUS_RETRY_EXCEEDED (6) + +/* The transmit request failed due to MSDU life time */ +/* being exceeded. */ +#define WSM_STATUS_TX_LIFETIME_EXCEEDED (7) + +/* The link to the AP is lost. */ +#define WSM_STATUS_LINK_LOST (8) + +/* No key was found for the encrypted frame */ +#define WSM_STATUS_NO_KEY_FOUND (9) + +/* Jammer was detected when transmitting this frame */ +#define WSM_STATUS_JAMMER_DETECTED (10) + +/* The message should be requeued later. */ +/* This is applicable only to Transmit */ +#define WSM_REQUEUE (11) + +/* Advanced filtering options */ +#define WSM_MAX_FILTER_ELEMENTS (4) + +#define WSM_FILTER_ACTION_IGNORE (0) +#define WSM_FILTER_ACTION_FILTER_IN (1) +#define WSM_FILTER_ACTION_FILTER_OUT (2) + +#define WSM_FILTER_PORT_TYPE_DST (0) +#define WSM_FILTER_PORT_TYPE_SRC (1) + +/* Actual header of WSM messages */ +struct wsm_hdr { + __le16 len; + __le16 id; +}; + +#define WSM_TX_SEQ_MAX (7) +#define WSM_TX_SEQ(seq) \ + ((seq & WSM_TX_SEQ_MAX) << 13) +#define WSM_TX_LINK_ID_MAX (0x0F) +#define WSM_TX_LINK_ID(link_id) \ + ((link_id & WSM_TX_LINK_ID_MAX) << 6) + +#define MAX_BEACON_SKIP_TIME_MS 1000 + +#define WSM_CMD_LAST_CHANCE_TIMEOUT (HZ * 3 / 2) + +/* ******************************************************************** */ +/* WSM capability */ + +#define WSM_STARTUP_IND_ID 0x0801 + +struct wsm_startup_ind { + u16 input_buffers; + u16 input_buffer_size; + u16 status; + u16 hw_id; + u16 hw_subid; + u16 fw_cap; + u16 fw_type; + u16 fw_api; + u16 fw_build; + u16 fw_ver; + char fw_label[128]; + u32 config[4]; +}; + +/* ******************************************************************** */ +/* WSM commands */ + +/* 3.1 */ +#define WSM_CONFIGURATION_REQ_ID 0x0009 +#define WSM_CONFIGURATION_RESP_ID 0x0409 + +struct wsm_tx_power_range { + int min_power_level; + int max_power_level; + u32 stepping; +}; + +struct wsm_configuration { + /* [in] */ u32 dot11MaxTransmitMsduLifeTime; + /* [in] */ u32 dot11MaxReceiveLifeTime; + /* [in] */ u32 dot11RtsThreshold; + /* [in, out] */ u8 *dot11StationId; + /* [in] */ const void *dpdData; + /* [in] */ size_t dpdData_size; + /* [out] */ u8 dot11FrequencyBandsSupported; + /* [out] */ u32 supportedRateMask; + /* [out] */ struct wsm_tx_power_range txPowerRange[2]; +}; + +int wsm_configuration(struct cw1200_common *priv, + struct wsm_configuration *arg); + +/* 3.3 */ +#define WSM_RESET_REQ_ID 0x000A +#define WSM_RESET_RESP_ID 0x040A +struct wsm_reset { + /* [in] */ int link_id; + /* [in] */ bool reset_statistics; +}; + +int wsm_reset(struct cw1200_common *priv, const struct wsm_reset *arg); + +/* 3.5 */ +#define WSM_READ_MIB_REQ_ID 0x0005 +#define WSM_READ_MIB_RESP_ID 0x0405 +int wsm_read_mib(struct cw1200_common *priv, u16 mib_id, void *buf, + size_t buf_size); + +/* 3.7 */ +#define WSM_WRITE_MIB_REQ_ID 0x0006 +#define WSM_WRITE_MIB_RESP_ID 0x0406 +int wsm_write_mib(struct cw1200_common *priv, u16 mib_id, void *buf, + size_t buf_size); + +/* 3.9 */ +#define WSM_START_SCAN_REQ_ID 0x0007 +#define WSM_START_SCAN_RESP_ID 0x0407 + +struct wsm_ssid { + u8 ssid[32]; + u32 length; +}; + +struct wsm_scan_ch { + u16 number; + u32 min_chan_time; + u32 max_chan_time; + u32 tx_power_level; +}; + +struct wsm_scan { + /* WSM_PHY_BAND_... */ + u8 band; + + /* WSM_SCAN_TYPE_... */ + u8 type; + + /* WSM_SCAN_FLAG_... */ + u8 flags; + + /* WSM_TRANSMIT_RATE_... */ + u8 max_tx_rate; + + /* Interval period in TUs that the device shall the re- */ + /* execute the requested scan. Max value supported by the device */ + /* is 256s. */ + u32 auto_scan_interval; + + /* Number of probe requests (per SSID) sent to one (1) */ + /* channel. Zero (0) means that none is send, which */ + /* means that a passive scan is to be done. Value */ + /* greater than zero (0) means that an active scan is to */ + /* be done. */ + u32 num_probes; + + /* Number of channels to be scanned. */ + /* Maximum value is WSM_SCAN_MAX_NUM_OF_CHANNELS. */ + u8 num_channels; + + /* Number of SSID provided in the scan command (this */ + /* is zero (0) in broadcast scan) */ + /* The maximum number of SSIDs is WSM_SCAN_MAX_NUM_OF_SSIDS. */ + u8 num_ssids; + + /* The delay time (in microseconds) period */ + /* before sending a probe-request. */ + u8 probe_delay; + + /* SSIDs to be scanned [numOfSSIDs]; */ + struct wsm_ssid *ssids; + + /* Channels to be scanned [numOfChannels]; */ + struct wsm_scan_ch *ch; +}; + +int wsm_scan(struct cw1200_common *priv, const struct wsm_scan *arg); + +/* 3.11 */ +#define WSM_STOP_SCAN_REQ_ID 0x0008 +#define WSM_STOP_SCAN_RESP_ID 0x0408 +int wsm_stop_scan(struct cw1200_common *priv); + +/* 3.13 */ +#define WSM_SCAN_COMPLETE_IND_ID 0x0806 +struct wsm_scan_complete { + /* WSM_STATUS_... */ + u32 status; + + /* WSM_PSM_... */ + u8 psm; + + /* Number of channels that the scan operation completed. */ + u8 num_channels; +}; + +/* 3.14 */ +#define WSM_TX_CONFIRM_IND_ID 0x0404 +#define WSM_MULTI_TX_CONFIRM_ID 0x041E + +struct wsm_tx_confirm { + /* Packet identifier used in wsm_tx. */ + u32 packet_id; + + /* WSM_STATUS_... */ + u32 status; + + /* WSM_TRANSMIT_RATE_... */ + u8 tx_rate; + + /* The number of times the frame was transmitted */ + /* without receiving an acknowledgement. */ + u8 ack_failures; + + /* WSM_TX_STATUS_... */ + u16 flags; + + /* The total time in microseconds that the frame spent in */ + /* the WLAN device before transmission as completed. */ + u32 media_delay; + + /* The total time in microseconds that the frame spent in */ + /* the WLAN device before transmission was started. */ + u32 tx_queue_delay; +}; + +/* 3.15 */ +typedef void (*wsm_tx_confirm_cb) (struct cw1200_common *priv, + struct wsm_tx_confirm *arg); + +/* Note that ideology of wsm_tx struct is different against the rest of + * WSM API. wsm_hdr is /not/ a caller-adapted struct to be used as an input + * argument for WSM call, but a prepared bytestream to be sent to firmware. + * It is filled partly in cw1200_tx, partly in low-level WSM code. + * Please pay attention once again: ideology is different. + * + * Legend: + * - [in]: cw1200_tx must fill this field. + * - [wsm]: the field is filled by low-level WSM. + */ +struct wsm_tx { + /* common WSM header */ + struct wsm_hdr hdr; + + /* Packet identifier that meant to be used in completion. */ + __le32 packet_id; + + /* WSM_TRANSMIT_RATE_... */ + u8 max_tx_rate; + + /* WSM_QUEUE_... */ + u8 queue_id; + + /* True: another packet is pending on the host for transmission. */ + u8 more; + + /* Bit 0 = 0 - Start expiry time from first Tx attempt (default) */ + /* Bit 0 = 1 - Start expiry time from receipt of Tx Request */ + /* Bits 3:1 - PTA Priority */ + /* Bits 6:4 - Tx Rate Retry Policy */ + /* Bit 7 - Reserved */ + u8 flags; + + /* Should be 0. */ + __le32 reserved; + + /* The elapsed time in TUs, after the initial transmission */ + /* of an MSDU, after which further attempts to transmit */ + /* the MSDU shall be terminated. Overrides the global */ + /* dot11MaxTransmitMsduLifeTime setting [optional] */ + /* Device will set the default value if this is 0. */ + __le32 expire_time; + + /* WSM_HT_TX_... */ + __le32 ht_tx_parameters; +}; + +/* = sizeof(generic hi hdr) + sizeof(wsm hdr) + sizeof(alignment) */ +#define WSM_TX_EXTRA_HEADROOM (28) + +/* 3.16 */ +#define WSM_RECEIVE_IND_ID 0x0804 + +struct wsm_rx { + /* WSM_STATUS_... */ + __le32 status; + + /* Specifies the channel of the received packet. */ + __le16 channel_number; + + /* WSM_TRANSMIT_RATE_... */ + u8 rx_rate; + + /* This value is expressed in signed Q8.0 format for */ + /* RSSI and unsigned Q7.1 format for RCPI. */ + u8 rcpi_rssi; + + /* WSM_RX_STATUS_... */ + __le32 flags; + + /* Payload */ + u8 data[0]; +} __packed; + +/* = sizeof(generic hi hdr) + sizeof(wsm hdr) */ +#define WSM_RX_EXTRA_HEADROOM (16) + +typedef void (*wsm_rx_cb) (struct cw1200_common *priv, struct wsm_rx *arg, + struct sk_buff **skb_p); + +/* 3.17 */ +struct wsm_event { + /* WSM_STATUS_... */ + /* [out] */ u32 id; + + /* Indication parameters. */ + /* For error indication, this shall be a 32-bit WSM status. */ + /* For RCPI or RSSI indication, this should be an 8-bit */ + /* RCPI or RSSI value. */ + /* [out] */ u32 data; +}; + +struct cw1200_wsm_event { + struct list_head link; + struct wsm_event evt; +}; + +/* 3.18 - 3.22 */ +/* Measurement. Skipped for now. Irrelevent. */ + +typedef void (*wsm_event_cb) (struct cw1200_common *priv, + struct wsm_event *arg); + +/* 3.23 */ +#define WSM_JOIN_REQ_ID 0x000B +#define WSM_JOIN_RESP_ID 0x040B + +struct wsm_join { + /* WSM_JOIN_MODE_... */ + u8 mode; + + /* WSM_PHY_BAND_... */ + u8 band; + + /* Specifies the channel number to join. The channel */ + /* number will be mapped to an actual frequency */ + /* according to the band */ + u16 channel_number; + + /* Specifies the BSSID of the BSS or IBSS to be joined */ + /* or the IBSS to be started. */ + u8 bssid[6]; + + /* ATIM window of IBSS */ + /* When ATIM window is zero the initiated IBSS does */ + /* not support power saving. */ + u16 atim_window; + + /* WSM_JOIN_PREAMBLE_... */ + u8 preamble_type; + + /* Specifies if a probe request should be send with the */ + /* specified SSID when joining to the network. */ + u8 probe_for_join; + + /* DTIM Period (In multiples of beacon interval) */ + u8 dtim_period; + + /* WSM_JOIN_FLAGS_... */ + u8 flags; + + /* Length of the SSID */ + u32 ssid_len; + + /* Specifies the SSID of the IBSS to join or start */ + u8 ssid[32]; + + /* Specifies the time between TBTTs in TUs */ + u32 beacon_interval; + + /* A bit mask that defines the BSS basic rate set. */ + u32 basic_rate_set; +}; + +struct wsm_join_cnf { + u32 status; + + /* Minimum transmission power level in units of 0.1dBm */ + u32 min_power_level; + + /* Maximum transmission power level in units of 0.1dBm */ + u32 max_power_level; +}; + +int wsm_join(struct cw1200_common *priv, struct wsm_join *arg); + +/* 3.24 */ +struct wsm_join_complete { + /* WSM_STATUS_... */ + u32 status; +}; + +/* 3.25 */ +#define WSM_SET_PM_REQ_ID 0x0010 +#define WSM_SET_PM_RESP_ID 0x0410 +struct wsm_set_pm { + /* WSM_PSM_... */ + u8 mode; + + /* in unit of 500us; 0 to use default */ + u8 fast_psm_idle_period; + + /* in unit of 500us; 0 to use default */ + u8 ap_psm_change_period; + + /* in unit of 500us; 0 to disable auto-pspoll */ + u8 min_auto_pspoll_period; +}; + +int wsm_set_pm(struct cw1200_common *priv, const struct wsm_set_pm *arg); + +/* 3.27 */ +struct wsm_set_pm_complete { + u8 psm; /* WSM_PSM_... */ +}; + +/* 3.28 */ +#define WSM_SET_BSS_PARAMS_REQ_ID 0x0011 +#define WSM_SET_BSS_PARAMS_RESP_ID 0x0411 +struct wsm_set_bss_params { + /* This resets the beacon loss counters only */ + u8 reset_beacon_loss; + + /* The number of lost consecutive beacons after which */ + /* the WLAN device should indicate the BSS-Lost event */ + /* to the WLAN host driver. */ + u8 beacon_lost_count; + + /* The AID received during the association process. */ + u16 aid; + + /* The operational rate set mask */ + u32 operational_rate_set; +}; + +int wsm_set_bss_params(struct cw1200_common *priv, + const struct wsm_set_bss_params *arg); + +/* 3.30 */ +#define WSM_ADD_KEY_REQ_ID 0x000C +#define WSM_ADD_KEY_RESP_ID 0x040C +struct wsm_add_key { + u8 type; /* WSM_KEY_TYPE_... */ + u8 index; /* Key entry index: 0 -- WSM_KEY_MAX_INDEX */ + u16 reserved; + union { + struct { + u8 peer[6]; /* MAC address of the + * peer station */ + u8 reserved; + u8 keylen; /* Key length in bytes */ + u8 keydata[16]; /* Key data */ + } __packed wep_pairwise; + struct { + u8 keyid; /* Unique per key identifier + * (0..3) */ + u8 keylen; /* Key length in bytes */ + u16 reserved; + u8 keydata[16]; /* Key data */ + } __packed wep_group; + struct { + u8 peer[6]; /* MAC address of the + * peer station */ + u16 reserved; + u8 keydata[16]; /* TKIP key data */ + u8 rx_mic_key[8]; /* Rx MIC key */ + u8 tx_mic_key[8]; /* Tx MIC key */ + } __packed tkip_pairwise; + struct { + u8 keydata[16]; /* TKIP key data */ + u8 rx_mic_key[8]; /* Rx MIC key */ + u8 keyid; /* Key ID */ + u8 reserved[3]; + u8 rx_seqnum[8]; /* Receive Sequence Counter */ + } __packed tkip_group; + struct { + u8 peer[6]; /* MAC address of the + * peer station */ + u16 reserved; + u8 keydata[16]; /* AES key data */ + } __packed aes_pairwise; + struct { + u8 keydata[16]; /* AES key data */ + u8 keyid; /* Key ID */ + u8 reserved[3]; + u8 rx_seqnum[8]; /* Receive Sequence Counter */ + } __packed aes_group; + struct { + u8 peer[6]; /* MAC address of the + * peer station */ + u8 keyid; /* Key ID */ + u8 reserved; + u8 keydata[16]; /* WAPI key data */ + u8 mic_key[16]; /* MIC key data */ + } __packed wapi_pairwise; + struct { + u8 keydata[16]; /* WAPI key data */ + u8 mic_key[16]; /* MIC key data */ + u8 keyid; /* Key ID */ + u8 reserved[3]; + } __packed wapi_group; + } __packed; +} __packed; + +int wsm_add_key(struct cw1200_common *priv, const struct wsm_add_key *arg); + +/* 3.32 */ +#define WSM_REMOVE_KEY_REQ_ID 0x000D +#define WSM_REMOVE_KEY_RESP_ID 0x040D +struct wsm_remove_key { + u8 index; /* Key entry index : 0-10 */ +}; + +int wsm_remove_key(struct cw1200_common *priv, + const struct wsm_remove_key *arg); + +/* 3.34 */ +struct wsm_set_tx_queue_params { + /* WSM_ACK_POLICY_... */ + u8 ackPolicy; + + /* Medium Time of TSPEC (in 32us units) allowed per */ + /* One Second Averaging Period for this queue. */ + u16 allowedMediumTime; + + /* dot11MaxTransmitMsduLifetime to be used for the */ + /* specified queue. */ + u32 maxTransmitLifetime; +}; + +struct wsm_tx_queue_params { + /* NOTE: index is a linux queue id. */ + struct wsm_set_tx_queue_params params[4]; +}; + + +#define WSM_TX_QUEUE_SET(queue_params, queue, ack_policy, allowed_time,\ + max_life_time) \ +do { \ + struct wsm_set_tx_queue_params *p = &(queue_params)->params[queue]; \ + p->ackPolicy = (ack_policy); \ + p->allowedMediumTime = (allowed_time); \ + p->maxTransmitLifetime = (max_life_time); \ +} while (0) + +int wsm_set_tx_queue_params(struct cw1200_common *priv, + const struct wsm_set_tx_queue_params *arg, u8 id); + +/* 3.36 */ +#define WSM_EDCA_PARAMS_REQ_ID 0x0013 +#define WSM_EDCA_PARAMS_RESP_ID 0x0413 +struct wsm_edca_queue_params { + /* CWmin (in slots) for the access class. */ + __le16 cwmin; + + /* CWmax (in slots) for the access class. */ + __le16 cwmax; + + /* AIFS (in slots) for the access class. */ + __le16 aifns; + + /* TX OP Limit (in microseconds) for the access class. */ + __le16 txop_limit; + + /* dot11MaxReceiveLifetime to be used for the specified */ + /* the access class. Overrides the global */ + /* dot11MaxReceiveLifetime value */ + __le32 max_rx_lifetime; +} __packed; + +struct wsm_edca_params { + /* NOTE: index is a linux queue id. */ + struct wsm_edca_queue_params params[4]; + bool uapsd_enable[4]; +}; + +#define TXOP_UNIT 32 +#define WSM_EDCA_SET(__edca, __queue, __aifs, __cw_min, __cw_max, __txop, __lifetime,\ + __uapsd) \ + do { \ + struct wsm_edca_queue_params *p = &(__edca)->params[__queue]; \ + p->cwmin = (__cw_min); \ + p->cwmax = (__cw_max); \ + p->aifns = (__aifs); \ + p->txop_limit = ((__txop) * TXOP_UNIT); \ + p->max_rx_lifetime = (__lifetime); \ + (__edca)->uapsd_enable[__queue] = (__uapsd); \ + } while (0) + +int wsm_set_edca_params(struct cw1200_common *priv, + const struct wsm_edca_params *arg); + +int wsm_set_uapsd_param(struct cw1200_common *priv, + const struct wsm_edca_params *arg); + +/* 3.38 */ +/* Set-System info. Skipped for now. Irrelevent. */ + +/* 3.40 */ +#define WSM_SWITCH_CHANNEL_REQ_ID 0x0016 +#define WSM_SWITCH_CHANNEL_RESP_ID 0x0416 + +struct wsm_switch_channel { + /* 1 - means the STA shall not transmit any further */ + /* frames until the channel switch has completed */ + u8 mode; + + /* Number of TBTTs until channel switch occurs. */ + /* 0 - indicates switch shall occur at any time */ + /* 1 - occurs immediately before the next TBTT */ + u8 switch_count; + + /* The new channel number to switch to. */ + /* Note this is defined as per section 2.7. */ + u16 channel_number; +}; + +int wsm_switch_channel(struct cw1200_common *priv, + const struct wsm_switch_channel *arg); + +typedef void (*wsm_channel_switch_cb) (struct cw1200_common *priv); + +#define WSM_START_REQ_ID 0x0017 +#define WSM_START_RESP_ID 0x0417 + +struct wsm_start { + /* WSM_START_MODE_... */ + /* [in] */ u8 mode; + + /* WSM_PHY_BAND_... */ + /* [in] */ u8 band; + + /* Channel number */ + /* [in] */ u16 channel_number; + + /* Client Traffic window in units of TU */ + /* Valid only when mode == ..._P2P */ + /* [in] */ u32 ct_window; + + /* Interval between two consecutive */ + /* beacon transmissions in TU. */ + /* [in] */ u32 beacon_interval; + + /* DTIM period in terms of beacon intervals */ + /* [in] */ u8 dtim_period; + + /* WSM_JOIN_PREAMBLE_... */ + /* [in] */ u8 preamble; + + /* The delay time (in microseconds) period */ + /* before sending a probe-request. */ + /* [in] */ u8 probe_delay; + + /* Length of the SSID */ + /* [in] */ u8 ssid_len; + + /* SSID of the BSS or P2P_GO to be started now. */ + /* [in] */ u8 ssid[32]; + + /* The basic supported rates for the MiniAP. */ + /* [in] */ u32 basic_rate_set; +}; + +int wsm_start(struct cw1200_common *priv, const struct wsm_start *arg); + +#define WSM_BEACON_TRANSMIT_REQ_ID 0x0018 +#define WSM_BEACON_TRANSMIT_RESP_ID 0x0418 + +struct wsm_beacon_transmit { + /* 1: enable; 0: disable */ + /* [in] */ u8 enable_beaconing; +}; + +int wsm_beacon_transmit(struct cw1200_common *priv, + const struct wsm_beacon_transmit *arg); + +int wsm_start_find(struct cw1200_common *priv); + +int wsm_stop_find(struct cw1200_common *priv); + +typedef void (*wsm_find_complete_cb) (struct cw1200_common *priv, u32 status); + +struct wsm_suspend_resume { + /* See 3.52 */ + /* Link ID */ + /* [out] */ int link_id; + /* Stop sending further Tx requests down to device for this link */ + /* [out] */ bool stop; + /* Transmit multicast Frames */ + /* [out] */ bool multicast; + /* The AC on which Tx to be suspended /resumed. */ + /* This is applicable only for U-APSD */ + /* WSM_QUEUE_... */ + /* [out] */ int queue; +}; + +typedef void (*wsm_suspend_resume_cb) (struct cw1200_common *priv, + struct wsm_suspend_resume *arg); + +/* 3.54 Update-IE request. */ +struct wsm_update_ie { + /* WSM_UPDATE_IE_... */ + /* [in] */ u16 what; + /* [in] */ u16 count; + /* [in] */ u8 *ies; + /* [in] */ size_t length; +}; + +int wsm_update_ie(struct cw1200_common *priv, + const struct wsm_update_ie *arg); + +/* 3.56 */ +struct wsm_map_link { + /* MAC address of the remote device */ + /* [in] */ u8 mac_addr[6]; + /* [in] */ u8 link_id; +}; + +int wsm_map_link(struct cw1200_common *priv, const struct wsm_map_link *arg); + +/* ******************************************************************** */ +/* MIB shortcats */ + +static inline int wsm_set_output_power(struct cw1200_common *priv, + int power_level) +{ + __le32 val = __cpu_to_le32(power_level); + return wsm_write_mib(priv, WSM_MIB_ID_DOT11_CURRENT_TX_POWER_LEVEL, + &val, sizeof(val)); +} + +static inline int wsm_set_beacon_wakeup_period(struct cw1200_common *priv, + unsigned dtim_interval, + unsigned listen_interval) +{ + struct { + u8 numBeaconPeriods; + u8 reserved; + __le16 listenInterval; + } val = { + dtim_interval, 0, __cpu_to_le16(listen_interval) + }; + + if (dtim_interval > 0xFF || listen_interval > 0xFFFF) + return -EINVAL; + else + return wsm_write_mib(priv, WSM_MIB_ID_BEACON_WAKEUP_PERIOD, + &val, sizeof(val)); +} + +struct wsm_rcpi_rssi_threshold { + u8 rssiRcpiMode; /* WSM_RCPI_RSSI_... */ + u8 lowerThreshold; + u8 upperThreshold; + u8 rollingAverageCount; +}; + +static inline int wsm_set_rcpi_rssi_threshold(struct cw1200_common *priv, + struct wsm_rcpi_rssi_threshold *arg) +{ + return wsm_write_mib(priv, WSM_MIB_ID_RCPI_RSSI_THRESHOLD, arg, + sizeof(*arg)); +} + +struct wsm_mib_counters_table { + __le32 plcp_errors; + __le32 fcs_errors; + __le32 tx_packets; + __le32 rx_packets; + __le32 rx_packet_errors; + __le32 rx_decryption_failures; + __le32 rx_mic_failures; + __le32 rx_no_key_failures; + __le32 tx_multicast_frames; + __le32 tx_frames_success; + __le32 tx_frame_failures; + __le32 tx_frames_retried; + __le32 tx_frames_multi_retried; + __le32 rx_frame_duplicates; + __le32 rts_success; + __le32 rts_failures; + __le32 ack_failures; + __le32 rx_multicast_frames; + __le32 rx_frames_success; + __le32 rx_cmac_icv_errors; + __le32 rx_cmac_replays; + __le32 rx_mgmt_ccmp_replays; +} __packed; + +static inline int wsm_get_counters_table(struct cw1200_common *priv, + struct wsm_mib_counters_table *arg) +{ + return wsm_read_mib(priv, WSM_MIB_ID_COUNTERS_TABLE, + arg, sizeof(*arg)); +} + +static inline int wsm_get_station_id(struct cw1200_common *priv, u8 *mac) +{ + return wsm_read_mib(priv, WSM_MIB_ID_DOT11_STATION_ID, mac, ETH_ALEN); +} + +struct wsm_rx_filter { + bool promiscuous; + bool bssid; + bool fcs; + bool probeResponder; +}; + +static inline int wsm_set_rx_filter(struct cw1200_common *priv, + const struct wsm_rx_filter *arg) +{ + __le32 val = 0; + if (arg->promiscuous) + val |= __cpu_to_le32(BIT(0)); + if (arg->bssid) + val |= __cpu_to_le32(BIT(1)); + if (arg->fcs) + val |= __cpu_to_le32(BIT(2)); + if (arg->probeResponder) + val |= __cpu_to_le32(BIT(3)); + return wsm_write_mib(priv, WSM_MIB_ID_RX_FILTER, &val, sizeof(val)); +} + +int wsm_set_probe_responder(struct cw1200_common *priv, bool enable); + +#define WSM_BEACON_FILTER_IE_HAS_CHANGED BIT(0) +#define WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT BIT(1) +#define WSM_BEACON_FILTER_IE_HAS_APPEARED BIT(2) + +struct wsm_beacon_filter_table_entry { + u8 ie_id; + u8 flags; + u8 oui[3]; + u8 match_data[3]; +} __packed; + +struct wsm_mib_beacon_filter_table { + __le32 num; + struct wsm_beacon_filter_table_entry entry[10]; +} __packed; + +static inline int wsm_set_beacon_filter_table(struct cw1200_common *priv, + struct wsm_mib_beacon_filter_table *ft) +{ + size_t size = __le32_to_cpu(ft->num) * + sizeof(struct wsm_beacon_filter_table_entry) + + sizeof(__le32); + + return wsm_write_mib(priv, WSM_MIB_ID_BEACON_FILTER_TABLE, ft, size); +} + +#define WSM_BEACON_FILTER_ENABLE BIT(0) /* Enable/disable beacon filtering */ +#define WSM_BEACON_FILTER_AUTO_ERP BIT(1) /* If 1 FW will handle ERP IE changes internally */ + +struct wsm_beacon_filter_control { + int enabled; + int bcn_count; +}; + +static inline int wsm_beacon_filter_control(struct cw1200_common *priv, + struct wsm_beacon_filter_control *arg) +{ + struct { + __le32 enabled; + __le32 bcn_count; + } val; + val.enabled = __cpu_to_le32(arg->enabled); + val.bcn_count = __cpu_to_le32(arg->bcn_count); + return wsm_write_mib(priv, WSM_MIB_ID_BEACON_FILTER_ENABLE, &val, + sizeof(val)); +} + +enum wsm_power_mode { + wsm_power_mode_active = 0, + wsm_power_mode_doze = 1, + wsm_power_mode_quiescent = 2, +}; + +struct wsm_operational_mode { + enum wsm_power_mode power_mode; + int disable_more_flag_usage; + int perform_ant_diversity; +}; + +static inline int wsm_set_operational_mode(struct cw1200_common *priv, + const struct wsm_operational_mode *arg) +{ + u8 val = arg->power_mode; + if (arg->disable_more_flag_usage) + val |= BIT(4); + if (arg->perform_ant_diversity) + val |= BIT(5); + return wsm_write_mib(priv, WSM_MIB_ID_OPERATIONAL_POWER_MODE, &val, + sizeof(val)); +} + +struct wsm_template_frame { + u8 frame_type; + u8 rate; + struct sk_buff *skb; +}; + +static inline int wsm_set_template_frame(struct cw1200_common *priv, + struct wsm_template_frame *arg) +{ + int ret; + u8 *p = skb_push(arg->skb, 4); + p[0] = arg->frame_type; + p[1] = arg->rate; + ((u16 *)p)[1] = __cpu_to_le16(arg->skb->len - 4); + ret = wsm_write_mib(priv, WSM_MIB_ID_TEMPLATE_FRAME, p, arg->skb->len); + skb_pull(arg->skb, 4); + return ret; +} + + +struct wsm_protected_mgmt_policy { + bool protectedMgmtEnable; + bool unprotectedMgmtFramesAllowed; + bool encryptionForAuthFrame; +}; + +static inline int wsm_set_protected_mgmt_policy(struct cw1200_common *priv, + struct wsm_protected_mgmt_policy *arg) +{ + __le32 val = 0; + int ret; + if (arg->protectedMgmtEnable) + val |= __cpu_to_le32(BIT(0)); + if (arg->unprotectedMgmtFramesAllowed) + val |= __cpu_to_le32(BIT(1)); + if (arg->encryptionForAuthFrame) + val |= __cpu_to_le32(BIT(2)); + ret = wsm_write_mib(priv, WSM_MIB_ID_PROTECTED_MGMT_POLICY, + &val, sizeof(val)); + return ret; +} + +struct wsm_mib_block_ack_policy { + u8 tx_tid; + u8 reserved1; + u8 rx_tid; + u8 reserved2; +} __packed; + +static inline int wsm_set_block_ack_policy(struct cw1200_common *priv, + u8 tx_tid_policy, + u8 rx_tid_policy) +{ + struct wsm_mib_block_ack_policy val = { + .tx_tid = tx_tid_policy, + .rx_tid = rx_tid_policy, + }; + return wsm_write_mib(priv, WSM_MIB_ID_BLOCK_ACK_POLICY, &val, + sizeof(val)); +} + +struct wsm_mib_association_mode { + u8 flags; /* WSM_ASSOCIATION_MODE_... */ + u8 preamble; /* WSM_JOIN_PREAMBLE_... */ + u8 greenfield; /* 1 for greenfield */ + u8 mpdu_start_spacing; + __le32 basic_rate_set; +} __packed; + +static inline int wsm_set_association_mode(struct cw1200_common *priv, + struct wsm_mib_association_mode *arg) +{ + return wsm_write_mib(priv, WSM_MIB_ID_SET_ASSOCIATION_MODE, arg, + sizeof(*arg)); +} + +#define WSM_TX_RATE_POLICY_FLAG_TERMINATE_WHEN_FINISHED BIT(2) +#define WSM_TX_RATE_POLICY_FLAG_COUNT_INITIAL_TRANSMIT BIT(3) +struct wsm_tx_rate_retry_policy { + u8 index; + u8 short_retries; + u8 long_retries; + /* BIT(2) - Terminate retries when Tx rate retry policy + * finishes. + * BIT(3) - Count initial frame transmission as part of + * rate retry counting but not as a retry + * attempt */ + u8 flags; + u8 rate_recoveries; + u8 reserved[3]; + __le32 rate_count_indices[3]; +} __packed; + +struct wsm_set_tx_rate_retry_policy { + u8 num; + u8 reserved[3]; + struct wsm_tx_rate_retry_policy tbl[8]; +} __packed; + +static inline int wsm_set_tx_rate_retry_policy(struct cw1200_common *priv, + struct wsm_set_tx_rate_retry_policy *arg) +{ + size_t size = 4 + arg->num * sizeof(struct wsm_tx_rate_retry_policy); + return wsm_write_mib(priv, WSM_MIB_ID_SET_TX_RATE_RETRY_POLICY, arg, + size); +} + +/* 4.32 SetEtherTypeDataFrameFilter */ +struct wsm_ether_type_filter_hdr { + u8 num; /* Up to WSM_MAX_FILTER_ELEMENTS */ + u8 reserved[3]; +} __packed; + +struct wsm_ether_type_filter { + u8 action; /* WSM_FILTER_ACTION_XXX */ + u8 reserved; + __le16 type; /* Type of ethernet frame */ +} __packed; + +static inline int wsm_set_ether_type_filter(struct cw1200_common *priv, + struct wsm_ether_type_filter_hdr *arg) +{ + size_t size = sizeof(struct wsm_ether_type_filter_hdr) + + arg->num * sizeof(struct wsm_ether_type_filter); + return wsm_write_mib(priv, WSM_MIB_ID_SET_ETHERTYPE_DATAFRAME_FILTER, + arg, size); +} + +/* 4.33 SetUDPPortDataFrameFilter */ +struct wsm_udp_port_filter_hdr { + u8 num; /* Up to WSM_MAX_FILTER_ELEMENTS */ + u8 reserved[3]; +} __packed; + +struct wsm_udp_port_filter { + u8 action; /* WSM_FILTER_ACTION_XXX */ + u8 type; /* WSM_FILTER_PORT_TYPE_XXX */ + __le16 port; /* Port number */ +} __packed; + +static inline int wsm_set_udp_port_filter(struct cw1200_common *priv, + struct wsm_udp_port_filter_hdr *arg) +{ + size_t size = sizeof(struct wsm_udp_port_filter_hdr) + + arg->num * sizeof(struct wsm_udp_port_filter); + return wsm_write_mib(priv, WSM_MIB_ID_SET_UDPPORT_DATAFRAME_FILTER, + arg, size); +} + +/* Undocumented MIBs: */ +/* 4.35 P2PDeviceInfo */ +#define D11_MAX_SSID_LEN (32) + +struct wsm_p2p_device_type { + __le16 categoryId; + u8 oui[4]; + __le16 subCategoryId; +} __packed; + +struct wsm_p2p_device_info { + struct wsm_p2p_device_type primaryDevice; + u8 reserved1[3]; + u8 devNameSize; + u8 localDevName[D11_MAX_SSID_LEN]; + u8 reserved2[3]; + u8 numSecDevSupported; + struct wsm_p2p_device_type secondaryDevices[0]; +} __packed; + +/* 4.36 SetWCDMABand - WO */ +struct wsm_cdma_band { + u8 WCDMA_Band; + u8 reserved[3]; +} __packed; + +/* 4.37 GroupTxSequenceCounter - RO */ +struct wsm_group_tx_seq { + __le32 bits_47_16; + __le16 bits_15_00; + __le16 reserved; +} __packed; + +/* 4.39 SetHtProtection - WO */ +#define WSM_DUAL_CTS_PROT_ENB (1 << 0) +#define WSM_NON_GREENFIELD_STA_PRESENT (1 << 1) +#define WSM_HT_PROT_MODE__NO_PROT (0 << 2) +#define WSM_HT_PROT_MODE__NON_MEMBER (1 << 2) +#define WSM_HT_PROT_MODE__20_MHZ (2 << 2) +#define WSM_HT_PROT_MODE__NON_HT_MIXED (3 << 2) +#define WSM_LSIG_TXOP_PROT_FULL (1 << 4) +#define WSM_LARGE_L_LENGTH_PROT (1 << 5) + +struct wsm_ht_protection { + __le32 flags; +} __packed; + +/* 4.40 GPIO Command - R/W */ +#define WSM_GPIO_COMMAND_SETUP 0 +#define WSM_GPIO_COMMAND_READ 1 +#define WSM_GPIO_COMMAND_WRITE 2 +#define WSM_GPIO_COMMAND_RESET 3 +#define WSM_GPIO_ALL_PINS 0xFF + +struct wsm_gpio_command { + u8 GPIO_Command; + u8 pin; + __le16 config; +} __packed; + +/* 4.41 TSFCounter - RO */ +struct wsm_tsf_counter { + __le64 TSF_Counter; +} __packed; + +/* 4.43 Keep alive period */ +struct wsm_keep_alive_period { + __le16 keepAlivePeriod; + u8 reserved[2]; +} __packed; + +static inline int wsm_keep_alive_period(struct cw1200_common *priv, + int period) +{ + struct wsm_keep_alive_period arg = { + .keepAlivePeriod = __cpu_to_le16(period), + }; + return wsm_write_mib(priv, WSM_MIB_ID_KEEP_ALIVE_PERIOD, + &arg, sizeof(arg)); +}; + +/* BSSID filtering */ +struct wsm_set_bssid_filtering { + u8 filter; + u8 reserved[3]; +} __packed; + +static inline int wsm_set_bssid_filtering(struct cw1200_common *priv, + bool enabled) +{ + struct wsm_set_bssid_filtering arg = { + .filter = !enabled, + }; + return wsm_write_mib(priv, WSM_MIB_ID_DISABLE_BSSID_FILTER, + &arg, sizeof(arg)); +} + +/* Multicast filtering - 4.5 */ +struct wsm_mib_multicast_filter { + __le32 enable; + __le32 num_addrs; + u8 macaddrs[WSM_MAX_GRP_ADDRTABLE_ENTRIES][ETH_ALEN]; +} __packed; + +static inline int wsm_set_multicast_filter(struct cw1200_common *priv, + struct wsm_mib_multicast_filter *fp) +{ + return wsm_write_mib(priv, WSM_MIB_ID_DOT11_GROUP_ADDRESSES_TABLE, + fp, sizeof(*fp)); +} + +/* ARP IPv4 filtering - 4.10 */ +struct wsm_mib_arp_ipv4_filter { + __le32 enable; + __be32 ipv4addrs[WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES]; +} __packed; + +static inline int wsm_set_arp_ipv4_filter(struct cw1200_common *priv, + struct wsm_mib_arp_ipv4_filter *fp) +{ + return wsm_write_mib(priv, WSM_MIB_ID_ARP_IP_ADDRESSES_TABLE, + fp, sizeof(*fp)); +} + +/* P2P Power Save Mode Info - 4.31 */ +struct wsm_p2p_ps_modeinfo { + u8 oppPsCTWindow; + u8 count; + u8 reserved; + u8 dtimCount; + __le32 duration; + __le32 interval; + __le32 startTime; +} __packed; + +static inline int wsm_set_p2p_ps_modeinfo(struct cw1200_common *priv, + struct wsm_p2p_ps_modeinfo *mi) +{ + return wsm_write_mib(priv, WSM_MIB_ID_P2P_PS_MODE_INFO, + mi, sizeof(*mi)); +} + +static inline int wsm_get_p2p_ps_modeinfo(struct cw1200_common *priv, + struct wsm_p2p_ps_modeinfo *mi) +{ + return wsm_read_mib(priv, WSM_MIB_ID_P2P_PS_MODE_INFO, + mi, sizeof(*mi)); +} + +/* UseMultiTxConfMessage */ + +static inline int wsm_use_multi_tx_conf(struct cw1200_common *priv, + bool enabled) +{ + __le32 arg = enabled ? __cpu_to_le32(1) : 0; + + return wsm_write_mib(priv, WSM_MIB_USE_MULTI_TX_CONF, + &arg, sizeof(arg)); +} + + +/* 4.26 SetUpasdInformation */ +struct wsm_uapsd_info { + __le16 uapsd_flags; + __le16 min_auto_trigger_interval; + __le16 max_auto_trigger_interval; + __le16 auto_trigger_step; +}; + +static inline int wsm_set_uapsd_info(struct cw1200_common *priv, + struct wsm_uapsd_info *arg) +{ + return wsm_write_mib(priv, WSM_MIB_ID_SET_UAPSD_INFORMATION, + arg, sizeof(*arg)); +} + +/* 4.22 OverrideInternalTxRate */ +struct wsm_override_internal_txrate { + u8 internalTxRate; + u8 nonErpInternalTxRate; + u8 reserved[2]; +} __packed; + +static inline int wsm_set_override_internal_txrate(struct cw1200_common *priv, + struct wsm_override_internal_txrate *arg) +{ + return wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE, + arg, sizeof(*arg)); +} + +/* ******************************************************************** */ +/* WSM TX port control */ + +void wsm_lock_tx(struct cw1200_common *priv); +void wsm_lock_tx_async(struct cw1200_common *priv); +bool wsm_flush_tx(struct cw1200_common *priv); +void wsm_unlock_tx(struct cw1200_common *priv); + +/* ******************************************************************** */ +/* WSM / BH API */ + +int wsm_handle_exception(struct cw1200_common *priv, u8 *data, size_t len); +int wsm_handle_rx(struct cw1200_common *priv, u16 id, struct wsm_hdr *wsm, + struct sk_buff **skb_p); + +/* ******************************************************************** */ +/* wsm_buf API */ + +struct wsm_buf { + u8 *begin; + u8 *data; + u8 *end; +}; + +void wsm_buf_init(struct wsm_buf *buf); +void wsm_buf_deinit(struct wsm_buf *buf); + +/* ******************************************************************** */ +/* wsm_cmd API */ + +struct wsm_cmd { + spinlock_t lock; /* Protect structure from multiple access */ + int done; + u8 *ptr; + size_t len; + void *arg; + int ret; + u16 cmd; +}; + +/* ******************************************************************** */ +/* WSM TX buffer access */ + +int wsm_get_tx(struct cw1200_common *priv, u8 **data, + size_t *tx_len, int *burst); +void wsm_txed(struct cw1200_common *priv, u8 *data); + +/* ******************************************************************** */ +/* Queue mapping: WSM <---> linux */ +/* Linux: VO VI BE BK */ +/* WSM: BE BK VI VO */ + +static inline u8 wsm_queue_id_to_linux(u8 queue_id) +{ + static const u8 queue_mapping[] = { + 2, 3, 1, 0 + }; + return queue_mapping[queue_id]; +} + +static inline u8 wsm_queue_id_to_wsm(u8 queue_id) +{ + static const u8 queue_mapping[] = { + 3, 2, 0, 1 + }; + return queue_mapping[queue_id]; +} + + +#ifdef CONFIG_CW1200_ETF +int wsm_raw_cmd(struct cw1200_common *priv, u8 *data, size_t len); +#endif + +#endif /* CW1200_HWIO_H_INCLUDED */ diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 15920aaa5dd6..f8ab193009cd 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -6242,8 +6242,6 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, if ((val & 0x0000ff00) != 0) pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff); - pci_set_power_state(pci_dev, PCI_D0); - if (!ipw2100_hw_is_adapter_in_system(dev)) { printk(KERN_WARNING DRV_NAME "Device not found via register read.\n"); diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h index 48545ab00311..de2c9514bef6 100644 --- a/drivers/net/wireless/iwlwifi/dvm/agn.h +++ b/drivers/net/wireless/iwlwifi/dvm/agn.h @@ -76,13 +76,16 @@ #define IWL_INVALID_STATION 255 /* device operations */ -extern struct iwl_lib_ops iwl1000_lib; -extern struct iwl_lib_ops iwl2000_lib; -extern struct iwl_lib_ops iwl2030_lib; -extern struct iwl_lib_ops iwl5000_lib; -extern struct iwl_lib_ops iwl5150_lib; -extern struct iwl_lib_ops iwl6000_lib; -extern struct iwl_lib_ops iwl6030_lib; +extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_105_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg; +extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg; #define TIME_UNIT 1024 @@ -291,8 +294,8 @@ void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena); static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) { - return priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist; + return priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist; } #ifdef CONFIG_IWLWIFI_DEBUG diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.c b/drivers/net/wireless/iwlwifi/dvm/calib.c index d6c4cf2ad7c5..1b0f0d502568 100644 --- a/drivers/net/wireless/iwlwifi/dvm/calib.c +++ b/drivers/net/wireless/iwlwifi/dvm/calib.c @@ -521,7 +521,7 @@ static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.enhance_table[0]); - if (priv->cfg->base_params->hd_v2) { + if (priv->lib->hd_v2) { cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = HD_INA_NON_SQUARE_DET_OFDM_DATA_V2; cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = @@ -895,7 +895,7 @@ static void iwlagn_gain_computation(struct iwl_priv *priv, continue; } - delta_g = (priv->cfg->base_params->chain_noise_scale * + delta_g = (priv->lib->chain_noise_scale * ((s32)average_noise[default_chain] - (s32)average_noise[i])) / 1500; @@ -1051,8 +1051,8 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) return; /* Analyze signal for disconnected antenna */ - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { /* Disable disconnected antenna algorithm for advanced bt coex, assuming valid antennas are connected */ data->active_chains = priv->nvm_data->valid_rx_ant; diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h index 174b0f169497..ebdac909f0cd 100644 --- a/drivers/net/wireless/iwlwifi/dvm/commands.h +++ b/drivers/net/wireless/iwlwifi/dvm/commands.h @@ -838,10 +838,6 @@ struct iwl_qosparam_cmd { #define STA_MODIFY_DELBA_TID_MSK 0x10 #define STA_MODIFY_SLEEP_TX_COUNT_MSK 0x20 -/* Receiver address (actually, Rx station's index into station table), - * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */ -#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid)) - /* agn */ struct iwl_keyinfo { __le16 key_flags; diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h index e71acfd344aa..5cd87f949266 100644 --- a/drivers/net/wireless/iwlwifi/dvm/dev.h +++ b/drivers/net/wireless/iwlwifi/dvm/dev.h @@ -568,16 +568,61 @@ struct iwl_hw_params { const struct iwl_sensitivity_ranges *sens; }; -struct iwl_lib_ops { - /* set hw dependent parameters */ +/** + * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters + * @advanced_bt_coexist: support advanced bt coexist + * @bt_init_traffic_load: specify initial bt traffic load + * @bt_prio_boost: default bt priority boost value + * @agg_time_limit: maximum number of uSec in aggregation + * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode + */ +struct iwl_dvm_bt_params { + bool advanced_bt_coexist; + u8 bt_init_traffic_load; + u32 bt_prio_boost; + u16 agg_time_limit; + bool bt_sco_disable; + bool bt_session_2; +}; + +/** + * struct iwl_dvm_cfg - DVM firmware specific device configuration + * @set_hw_params: set hardware parameters + * @set_channel_switch: send channel switch command + * @nic_config: apply device specific configuration + * @temperature: read temperature + * @adv_thermal_throttle: support advance thermal throttle + * @support_ct_kill_exit: support ct kill exit condition + * @plcp_delta_threshold: plcp error rate threshold used to trigger + * radio tuning when there is a high receiving plcp error rate + * @chain_noise_scale: default chain noise scale used for gain computation + * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up + * @no_idle_support: do not support idle mode + * @bt_params: pointer to BT parameters + * @need_temp_offset_calib: need to perform temperature offset calibration + * @no_xtal_calib: some devices do not need crystal calibration data, + * don't send it to those + * @temp_offset_v2: support v2 of temperature offset calibration + * @adv_pm: advanced power management + */ +struct iwl_dvm_cfg { void (*set_hw_params)(struct iwl_priv *priv); int (*set_channel_switch)(struct iwl_priv *priv, struct ieee80211_channel_switch *ch_switch); - /* device specific configuration */ void (*nic_config)(struct iwl_priv *priv); - - /* temperature */ void (*temperature)(struct iwl_priv *priv); + + const struct iwl_dvm_bt_params *bt_params; + s32 chain_noise_scale; + u8 plcp_delta_threshold; + bool adv_thermal_throttle; + bool support_ct_kill_exit; + bool hd_v2; + bool no_idle_support; + bool need_temp_offset_calib; + bool no_xtal_calib; + bool temp_offset_v2; + bool adv_pm; }; struct iwl_wipan_noa_data { @@ -610,7 +655,7 @@ struct iwl_priv { struct device *dev; /* for debug prints only */ const struct iwl_cfg *cfg; const struct iwl_fw *fw; - const struct iwl_lib_ops *lib; + const struct iwl_dvm_cfg *lib; unsigned long status; spinlock_t sta_lock; diff --git a/drivers/net/wireless/iwlwifi/dvm/devices.c b/drivers/net/wireless/iwlwifi/dvm/devices.c index c48907c8ab43..352c6cb7b4f1 100644 --- a/drivers/net/wireless/iwlwifi/dvm/devices.c +++ b/drivers/net/wireless/iwlwifi/dvm/devices.c @@ -174,10 +174,13 @@ static void iwl1000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.sens = &iwl1000_sensitivity; } -struct iwl_lib_ops iwl1000_lib = { +const struct iwl_dvm_cfg iwl_dvm_1000_cfg = { .set_hw_params = iwl1000_hw_set_hw_params, .nic_config = iwl1000_nic_config, .temperature = iwlagn_temperature, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF, + .chain_noise_scale = 1000, }; @@ -232,16 +235,56 @@ static void iwl2000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.sens = &iwl2000_sensitivity; } -struct iwl_lib_ops iwl2000_lib = { +const struct iwl_dvm_cfg iwl_dvm_2000_cfg = { .set_hw_params = iwl2000_hw_set_hw_params, .nic_config = iwl2000_nic_config, .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .hd_v2 = true, + .need_temp_offset_calib = true, + .temp_offset_v2 = true, }; -struct iwl_lib_ops iwl2030_lib = { +const struct iwl_dvm_cfg iwl_dvm_105_cfg = { .set_hw_params = iwl2000_hw_set_hw_params, .nic_config = iwl2000_nic_config, .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .hd_v2 = true, + .need_temp_offset_calib = true, + .temp_offset_v2 = true, + .adv_pm = true, +}; + +static const struct iwl_dvm_bt_params iwl2030_bt_params = { + /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ + .advanced_bt_coexist = true, + .agg_time_limit = BT_AGG_THRESHOLD_DEF, + .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, + .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT32, + .bt_sco_disable = true, + .bt_session_2 = true, +}; + +const struct iwl_dvm_cfg iwl_dvm_2030_cfg = { + .set_hw_params = iwl2000_hw_set_hw_params, + .nic_config = iwl2000_nic_config, + .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .hd_v2 = true, + .bt_params = &iwl2030_bt_params, + .need_temp_offset_calib = true, + .temp_offset_v2 = true, + .adv_pm = true, }; /* @@ -420,16 +463,23 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, return iwl_dvm_send_cmd(priv, &hcmd); } -struct iwl_lib_ops iwl5000_lib = { +const struct iwl_dvm_cfg iwl_dvm_5000_cfg = { .set_hw_params = iwl5000_hw_set_hw_params, .set_channel_switch = iwl5000_hw_channel_switch, .temperature = iwlagn_temperature, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .no_idle_support = true, }; -struct iwl_lib_ops iwl5150_lib = { +const struct iwl_dvm_cfg iwl_dvm_5150_cfg = { .set_hw_params = iwl5150_hw_set_hw_params, .set_channel_switch = iwl5000_hw_channel_switch, .temperature = iwl5150_temperature, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .no_idle_support = true, + .no_xtal_calib = true, }; @@ -584,16 +634,59 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, return err; } -struct iwl_lib_ops iwl6000_lib = { +const struct iwl_dvm_cfg iwl_dvm_6000_cfg = { .set_hw_params = iwl6000_hw_set_hw_params, .set_channel_switch = iwl6000_hw_channel_switch, .nic_config = iwl6000_nic_config, .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, +}; + +const struct iwl_dvm_cfg iwl_dvm_6005_cfg = { + .set_hw_params = iwl6000_hw_set_hw_params, + .set_channel_switch = iwl6000_hw_channel_switch, + .nic_config = iwl6000_nic_config, + .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .need_temp_offset_calib = true, +}; + +const struct iwl_dvm_cfg iwl_dvm_6050_cfg = { + .set_hw_params = iwl6000_hw_set_hw_params, + .set_channel_switch = iwl6000_hw_channel_switch, + .nic_config = iwl6000_nic_config, + .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1500, +}; + +static const struct iwl_dvm_bt_params iwl6000_bt_params = { + /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ + .advanced_bt_coexist = true, + .agg_time_limit = BT_AGG_THRESHOLD_DEF, + .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, + .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT, + .bt_sco_disable = true, }; -struct iwl_lib_ops iwl6030_lib = { +const struct iwl_dvm_cfg iwl_dvm_6030_cfg = { .set_hw_params = iwl6000_hw_set_hw_params, .set_channel_switch = iwl6000_hw_channel_switch, .nic_config = iwl6000_nic_config, .temperature = iwlagn_temperature, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1000, + .bt_params = &iwl6000_bt_params, + .need_temp_offset_calib = true, + .adv_pm = true, }; diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c index 54f553380aa8..9879550a0fea 100644 --- a/drivers/net/wireless/iwlwifi/dvm/lib.c +++ b/drivers/net/wireless/iwlwifi/dvm/lib.c @@ -254,23 +254,23 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) != sizeof(basic.bt3_lookup_table)); - if (priv->cfg->bt_params) { + if (priv->lib->bt_params) { /* * newer generation of devices (2000 series and newer) * use the version 2 of the bt command * we need to make sure sending the host command * with correct data structure to avoid uCode assert */ - if (priv->cfg->bt_params->bt_session_2) { + if (priv->lib->bt_params->bt_session_2) { bt_cmd_v2.prio_boost = cpu_to_le32( - priv->cfg->bt_params->bt_prio_boost); + priv->lib->bt_params->bt_prio_boost); bt_cmd_v2.tx_prio_boost = 0; bt_cmd_v2.rx_prio_boost = 0; } else { /* older version only has 8 bits */ - WARN_ON(priv->cfg->bt_params->bt_prio_boost & ~0xFF); + WARN_ON(priv->lib->bt_params->bt_prio_boost & ~0xFF); bt_cmd_v1.prio_boost = - priv->cfg->bt_params->bt_prio_boost; + priv->lib->bt_params->bt_prio_boost; bt_cmd_v1.tx_prio_boost = 0; bt_cmd_v1.rx_prio_boost = 0; } @@ -330,7 +330,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) priv->bt_full_concurrent ? "full concurrency" : "3-wire"); - if (priv->cfg->bt_params->bt_session_2) { + if (priv->lib->bt_params->bt_session_2) { memcpy(&bt_cmd_v2.basic, &basic, sizeof(basic)); ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, @@ -758,8 +758,8 @@ static bool is_single_rx_stream(struct iwl_priv *priv) */ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) { - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist && (priv->bt_full_concurrent || priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) { /* @@ -830,8 +830,8 @@ void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx) else active_chains = priv->nvm_data->valid_rx_ant; - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist && (priv->bt_full_concurrent || priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) { /* diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index 661b5e71aac8..f10c755d952c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -427,6 +427,10 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, if (ret) goto error; + /* let the ucode operate on its own */ + iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + iwl_trans_d3_suspend(priv->trans); goto out; @@ -510,6 +514,10 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) goto out_unlock; } + /* uCode is no longer operating by itself */ + iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + base = priv->device_pointers.error_event_table; if (!iwlagn_hw_valid_rtc_data_addr(base)) { IWL_WARN(priv, "Invalid error table during resume!\n"); @@ -1277,8 +1285,8 @@ static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "enter\n"); mutex_lock(&priv->mutex); - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { if (rssi_event == RSSI_EVENT_LOW) priv->bt_enable_pspoll = true; else if (rssi_event == RSSI_EVENT_HIGH) @@ -1388,7 +1396,7 @@ static int iwl_setup_interface(struct iwl_priv *priv, return err; } - if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && + if (priv->lib->bt_params && priv->lib->bt_params->advanced_bt_coexist && vif->type == NL80211_IFTYPE_ADHOC) { /* * pretend to have high BT traffic as long as we diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 74d7572e7091..68f754659570 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -615,7 +615,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) priv->thermal_throttle.ct_kill_toggle = false; - if (priv->cfg->base_params->support_ct_kill_exit) { + if (priv->lib->support_ct_kill_exit) { adv_cmd.critical_temperature_enter = cpu_to_le32(priv->hw_params.ct_kill_threshold); adv_cmd.critical_temperature_exit = @@ -732,10 +732,10 @@ int iwl_alive_start(struct iwl_priv *priv) } /* download priority table before any calibration request */ - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { /* Configure Bluetooth device coexistence support */ - if (priv->cfg->bt_params->bt_sco_disable) + if (priv->lib->bt_params->bt_sco_disable) priv->bt_enable_pspoll = false; else priv->bt_enable_pspoll = true; @@ -873,9 +873,9 @@ void iwl_down(struct iwl_priv *priv) priv->bt_status = 0; priv->cur_rssi_ctx = NULL; priv->bt_is_sco = 0; - if (priv->cfg->bt_params) + if (priv->lib->bt_params) priv->bt_traffic_load = - priv->cfg->bt_params->bt_init_traffic_load; + priv->lib->bt_params->bt_init_traffic_load; else priv->bt_traffic_load = 0; priv->bt_full_concurrent = false; @@ -1058,7 +1058,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) iwl_setup_scan_deferred_work(priv); - if (priv->cfg->bt_params) + if (priv->lib->bt_params) iwlagn_bt_setup_deferred_work(priv); init_timer(&priv->statistics_periodic); @@ -1072,7 +1072,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) void iwl_cancel_deferred_work(struct iwl_priv *priv) { - if (priv->cfg->bt_params) + if (priv->lib->bt_params) iwlagn_bt_cancel_deferred_work(priv); cancel_work_sync(&priv->run_time_calib_work); @@ -1098,8 +1098,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->band = IEEE80211_BAND_2GHZ; - priv->plcp_delta_threshold = - priv->cfg->base_params->plcp_delta_threshold; + priv->plcp_delta_threshold = priv->lib->plcp_delta_threshold; priv->iw_mode = NL80211_IFTYPE_STATION; priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; @@ -1116,8 +1115,8 @@ static int iwl_init_drv(struct iwl_priv *priv) iwl_init_scan_params(priv); /* init bt coex */ - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; @@ -1264,31 +1263,37 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, switch (priv->cfg->device_family) { case IWL_DEVICE_FAMILY_1000: case IWL_DEVICE_FAMILY_100: - priv->lib = &iwl1000_lib; + priv->lib = &iwl_dvm_1000_cfg; break; case IWL_DEVICE_FAMILY_2000: + priv->lib = &iwl_dvm_2000_cfg; + break; case IWL_DEVICE_FAMILY_105: - priv->lib = &iwl2000_lib; + priv->lib = &iwl_dvm_105_cfg; break; case IWL_DEVICE_FAMILY_2030: case IWL_DEVICE_FAMILY_135: - priv->lib = &iwl2030_lib; + priv->lib = &iwl_dvm_2030_cfg; break; case IWL_DEVICE_FAMILY_5000: - priv->lib = &iwl5000_lib; + priv->lib = &iwl_dvm_5000_cfg; break; case IWL_DEVICE_FAMILY_5150: - priv->lib = &iwl5150_lib; + priv->lib = &iwl_dvm_5150_cfg; break; case IWL_DEVICE_FAMILY_6000: - case IWL_DEVICE_FAMILY_6005: case IWL_DEVICE_FAMILY_6000i: + priv->lib = &iwl_dvm_6000_cfg; + break; + case IWL_DEVICE_FAMILY_6005: + priv->lib = &iwl_dvm_6005_cfg; + break; case IWL_DEVICE_FAMILY_6050: case IWL_DEVICE_FAMILY_6150: - priv->lib = &iwl6000_lib; + priv->lib = &iwl_dvm_6050_cfg; break; case IWL_DEVICE_FAMILY_6030: - priv->lib = &iwl6030_lib; + priv->lib = &iwl_dvm_6030_cfg; break; default: break; diff --git a/drivers/net/wireless/iwlwifi/dvm/power.c b/drivers/net/wireless/iwlwifi/dvm/power.c index bd69018d07a9..77cb59712235 100644 --- a/drivers/net/wireless/iwlwifi/dvm/power.c +++ b/drivers/net/wireless/iwlwifi/dvm/power.c @@ -163,7 +163,7 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, u8 skip; u32 slp_itrvl; - if (priv->cfg->adv_pm) { + if (priv->lib->adv_pm) { table = apm_range_2; if (period <= IWL_DTIM_RANGE_1_MAX) table = apm_range_1; @@ -217,7 +217,7 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; if (iwl_advanced_bt_coexist(priv)) { - if (!priv->cfg->bt_params->bt_sco_disable) + if (!priv->lib->bt_params->bt_sco_disable) cmd->flags |= IWL_POWER_BT_SCO_ENA; else cmd->flags &= ~IWL_POWER_BT_SCO_ENA; @@ -293,7 +293,7 @@ static void iwl_power_build_cmd(struct iwl_priv *priv, if (priv->wowlan) iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, dtimper); - else if (!priv->cfg->base_params->no_idle_support && + else if (!priv->lib->no_idle_support && priv->hw->conf.flags & IEEE80211_CONF_IDLE) iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, 20); else if (iwl_tt_is_low_power_state(priv)) { diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index 907bd6e50aad..94314a8e1029 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -1088,7 +1088,7 @@ done: (priv->tm_fixed_rate != lq_sta->dbg_fixed_rate)) rs_program_fix_rate(priv, lq_sta); #endif - if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) + if (priv->lib->bt_params && priv->lib->bt_params->advanced_bt_coexist) rs_bt_update_lq(priv, ctx, lq_sta); } @@ -3064,11 +3064,11 @@ static void rs_fill_link_cmd(struct iwl_priv *priv, * overwrite if needed, pass aggregation time limit * to uCode in uSec */ - if (priv && priv->cfg->bt_params && - priv->cfg->bt_params->agg_time_limit && + if (priv && priv->lib->bt_params && + priv->lib->bt_params->agg_time_limit && priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) lq_cmd->agg_params.agg_time_limit = - cpu_to_le16(priv->cfg->bt_params->agg_time_limit); + cpu_to_le16(priv->lib->bt_params->agg_time_limit); } static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir) diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c index a4eed2055fdb..2f3fd160ab44 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rx.c +++ b/drivers/net/wireless/iwlwifi/dvm/rx.c @@ -1102,7 +1102,7 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv) iwl_notification_wait_init(&priv->notif_wait); /* Set up BT Rx handlers */ - if (priv->cfg->bt_params) + if (priv->lib->bt_params) iwlagn_bt_rx_handler_setup(priv); } diff --git a/drivers/net/wireless/iwlwifi/dvm/scan.c b/drivers/net/wireless/iwlwifi/dvm/scan.c index d69b55866714..8c686a5b90ac 100644 --- a/drivers/net/wireless/iwlwifi/dvm/scan.c +++ b/drivers/net/wireless/iwlwifi/dvm/scan.c @@ -801,8 +801,8 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) * Internal scans are passive, so we can indiscriminately set * the BT ignore flag on 2.4 GHz since it applies to TX only. */ - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) scan->tx_cmd.tx_flags |= TX_CMD_FLG_IGNORE_BT; break; case IEEE80211_BAND_5GHZ: @@ -844,8 +844,8 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) band = priv->scan_band; if (band == IEEE80211_BAND_2GHZ && - priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { /* transmit 2.4 GHz probes only on first antenna */ scan_tx_antennas = first_antenna(scan_tx_antennas); } @@ -873,8 +873,8 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) rx_ant = first_antenna(active_chains); } - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist && priv->bt_full_concurrent) { /* operated as 1x1 in full concurrency mode */ rx_ant = first_antenna(rx_ant); diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index db183b44e038..c3c13ce96eb0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -735,7 +735,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) memcpy(&lq, priv->stations[i].lq, sizeof(struct iwl_link_quality_cmd)); - if (!memcmp(&lq, &zero_lq, sizeof(lq))) + if (memcmp(&lq, &zero_lq, sizeof(lq))) send_lq = true; } spin_unlock_bh(&priv->sta_lock); diff --git a/drivers/net/wireless/iwlwifi/dvm/tt.c b/drivers/net/wireless/iwlwifi/dvm/tt.c index 03f9bc01c0cc..fbeee081ee2f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tt.c +++ b/drivers/net/wireless/iwlwifi/dvm/tt.c @@ -627,7 +627,7 @@ void iwl_tt_initialize(struct iwl_priv *priv) INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter); INIT_WORK(&priv->ct_exit, iwl_bg_ct_exit); - if (priv->cfg->base_params->adv_thermal_throttle) { + if (priv->lib->adv_thermal_throttle) { IWL_DEBUG_TEMP(priv, "Advanced Thermal Throttling\n"); tt->restriction = kcalloc(IWL_TI_STATE_MAX, sizeof(struct iwl_tt_restriction), diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index a900aaf47790..353a053b4eb1 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -83,8 +83,8 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv, else if (ieee80211_is_back_req(fc)) tx_flags |= TX_CMD_FLG_ACK_MSK | TX_CMD_FLG_IMM_BA_RSP_MASK; else if (info->band == IEEE80211_BAND_2GHZ && - priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && + priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist && (ieee80211_is_auth(fc) || ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc) || skb->protocol == cpu_to_be16(ETH_P_PAE))) @@ -202,8 +202,8 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, rate_flags |= RATE_MCS_CCK_MSK; /* Set up antennas */ - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist && + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist && priv->bt_full_concurrent) { /* operated as 1x1 in full concurrency mode */ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, @@ -986,8 +986,8 @@ static void iwl_rx_reply_tx_agg(struct iwl_priv *priv, * notification again. */ if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 && - priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { IWL_DEBUG_COEX(priv, "receive reply tx w/ bt_kill\n"); } diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c index 0a1cdc5e856b..86270b69cd02 100644 --- a/drivers/net/wireless/iwlwifi/dvm/ucode.c +++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c @@ -132,8 +132,8 @@ int iwl_init_alive_start(struct iwl_priv *priv) { int ret; - if (priv->cfg->bt_params && - priv->cfg->bt_params->advanced_bt_coexist) { + if (priv->lib->bt_params && + priv->lib->bt_params->advanced_bt_coexist) { /* * Tell uCode we are ready to perform calibration * need to perform this before any calibration @@ -155,8 +155,8 @@ int iwl_init_alive_start(struct iwl_priv *priv) * temperature offset calibration is only needed for runtime ucode, * so prepare the value now. */ - if (priv->cfg->need_temp_offset_calib) { - if (priv->cfg->temp_offset_v2) + if (priv->lib->need_temp_offset_calib) { + if (priv->lib->temp_offset_v2) return iwl_set_temperature_offset_calib_v2(priv); else return iwl_set_temperature_offset_calib(priv); @@ -277,7 +277,7 @@ static int iwl_alive_notify(struct iwl_priv *priv) if (ret) return ret; - if (!priv->cfg->no_xtal_calib) { + if (!priv->lib->no_xtal_calib) { ret = iwl_set_Xtal_calib(priv); if (ret) return ret; diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index c080ae3070b2..0d2afe098afc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -60,9 +60,6 @@ static const struct iwl_base_params iwl1000_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_1000, .shadow_ram_support = false, .led_compensation = 51, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_WATCHDOG_DISABLED, .max_event_log_size = 128, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index a6ddd2f9fba0..c727ec7c90a6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -72,14 +72,9 @@ static const struct iwl_base_params iwl2000_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_2x00, .shadow_ram_support = true, .led_compensation = 51, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ - .hd_v2 = true, }; @@ -90,14 +85,9 @@ static const struct iwl_base_params iwl2030_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_2x00, .shadow_ram_support = true, .led_compensation = 57, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ - .hd_v2 = true, }; static const struct iwl_ht_params iwl2000_ht_params = { @@ -106,16 +96,6 @@ static const struct iwl_ht_params iwl2000_ht_params = { .ht40_bands = BIT(IEEE80211_BAND_2GHZ), }; -static const struct iwl_bt_params iwl2030_bt_params = { - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .advanced_bt_coexist = true, - .agg_time_limit = BT_AGG_THRESHOLD_DEF, - .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, - .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT32, - .bt_sco_disable = true, - .bt_session_2 = true, -}; - static const struct iwl_eeprom_params iwl20x0_eeprom_params = { .regulatory_bands = { EEPROM_REG_BAND_1_CHANNELS, @@ -137,12 +117,10 @@ static const struct iwl_eeprom_params iwl20x0_eeprom_params = { .device_family = IWL_DEVICE_FAMILY_2000, \ .max_inst_size = IWL60_RTC_INST_SIZE, \ .max_data_size = IWL60_RTC_DATA_SIZE, \ - .nvm_ver = EEPROM_2000_EEPROM_VERSION, \ - .nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ + .nvm_ver = EEPROM_2000_EEPROM_VERSION, \ + .nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .base_params = &iwl2000_base_params, \ .eeprom_params = &iwl20x0_eeprom_params, \ - .need_temp_offset_calib = true, \ - .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl2000_2bgn_cfg = { @@ -168,12 +146,8 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = { .nvm_ver = EEPROM_2000_EEPROM_VERSION, \ .nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .base_params = &iwl2030_base_params, \ - .bt_params = &iwl2030_bt_params, \ .eeprom_params = &iwl20x0_eeprom_params, \ - .need_temp_offset_calib = true, \ - .temp_offset_v2 = true, \ - .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true + .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl2030_2bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN", @@ -193,10 +167,7 @@ const struct iwl_cfg iwl2030_2bgn_cfg = { .nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .base_params = &iwl2000_base_params, \ .eeprom_params = &iwl20x0_eeprom_params, \ - .need_temp_offset_calib = true, \ - .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true, \ .rx_with_siso_diversity = true const struct iwl_cfg iwl105_bgn_cfg = { @@ -222,12 +193,8 @@ const struct iwl_cfg iwl105_bgn_d_cfg = { .nvm_ver = EEPROM_2000_EEPROM_VERSION, \ .nvm_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .base_params = &iwl2030_base_params, \ - .bt_params = &iwl2030_bt_params, \ .eeprom_params = &iwl20x0_eeprom_params, \ - .need_temp_offset_calib = true, \ - .temp_offset_v2 = true, \ .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true, \ .rx_with_siso_diversity = true const struct iwl_cfg iwl135_bgn_cfg = { diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 403f3f224bf6..ecc01e1a61a1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -59,11 +59,8 @@ static const struct iwl_base_params iwl5000_base_params = { .num_of_queues = IWLAGN_NUM_QUEUES, .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL, .led_compensation = 51, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_WATCHDOG_DISABLED, .max_event_log_size = 512, - .no_idle_support = true, }; static const struct iwl_ht_params iwl5000_ht_params = { @@ -159,7 +156,6 @@ const struct iwl_cfg iwl5350_agn_cfg = { .nvm_calib_ver = EEPROM_5050_TX_POWER_VERSION, \ .base_params = &iwl5000_base_params, \ .eeprom_params = &iwl5000_eeprom_params, \ - .no_xtal_calib = true, \ .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index b5ab8d1bcac0..30d45e2fc193 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -82,10 +82,6 @@ static const struct iwl_base_params iwl6000_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .led_compensation = 51, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ @@ -98,10 +94,6 @@ static const struct iwl_base_params iwl6050_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_6x50, .shadow_ram_support = true, .led_compensation = 51, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1500, .wd_timeout = IWL_DEF_WD_TIMEOUT, .max_event_log_size = 1024, .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ @@ -114,10 +106,6 @@ static const struct iwl_base_params iwl6000_g2_base_params = { .max_ll_items = OTP_MAX_LL_ITEMS_6x00, .shadow_ram_support = true, .led_compensation = 57, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ @@ -129,15 +117,6 @@ static const struct iwl_ht_params iwl6000_ht_params = { .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ), }; -static const struct iwl_bt_params iwl6000_bt_params = { - /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ - .advanced_bt_coexist = true, - .agg_time_limit = BT_AGG_THRESHOLD_DEF, - .bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE, - .bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT, - .bt_sco_disable = true, -}; - static const struct iwl_eeprom_params iwl6000_eeprom_params = { .regulatory_bands = { EEPROM_REG_BAND_1_CHANNELS, @@ -163,7 +142,6 @@ static const struct iwl_eeprom_params iwl6000_eeprom_params = { .nvm_calib_ver = EEPROM_6005_TX_POWER_VERSION, \ .base_params = &iwl6000_g2_base_params, \ .eeprom_params = &iwl6000_eeprom_params, \ - .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl6005_2agn_cfg = { @@ -217,11 +195,8 @@ const struct iwl_cfg iwl6005_2agn_mow2_cfg = { .nvm_ver = EEPROM_6030_EEPROM_VERSION, \ .nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION, \ .base_params = &iwl6000_g2_base_params, \ - .bt_params = &iwl6000_bt_params, \ .eeprom_params = &iwl6000_eeprom_params, \ - .need_temp_offset_calib = true, \ - .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true \ + .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl6030_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN", @@ -256,11 +231,8 @@ const struct iwl_cfg iwl6030_2bg_cfg = { .nvm_ver = EEPROM_6030_EEPROM_VERSION, \ .nvm_calib_ver = EEPROM_6030_TX_POWER_VERSION, \ .base_params = &iwl6000_g2_base_params, \ - .bt_params = &iwl6000_bt_params, \ .eeprom_params = &iwl6000_eeprom_params, \ - .need_temp_offset_calib = true, \ - .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true + .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl6035_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6235 AGN", diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 50263e87fe15..d4f3b4864ab1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -96,13 +96,9 @@ static const struct iwl_base_params iwl7000_base_params = { .pll_cfg_val = 0, .shadow_ram_support = true, .led_compensation = 57, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, - .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, - .chain_noise_scale = 1000, .wd_timeout = IWL_LONG_WD_TIMEOUT, .max_event_log_size = 512, - .shadow_reg_enable = false, /* TODO: fix bugs using this feature */ + .shadow_reg_enable = true, }; static const struct iwl_ht_params iwl7000_ht_params = { @@ -118,14 +114,11 @@ static const struct iwl_ht_params iwl7000_ht_params = { .max_inst_size = IWL60_RTC_INST_SIZE, \ .max_data_size = IWL60_RTC_DATA_SIZE, \ .base_params = &iwl7000_base_params, \ - /* TODO: .bt_params? */ \ - .need_temp_offset_calib = true, \ - .led_mode = IWL_LED_RF_STATE, \ - .adv_pm = true \ + .led_mode = IWL_LED_RF_STATE const struct iwl_cfg iwl7260_2ac_cfg = { - .name = "Intel(R) Dual Band Wireless AC7260", + .name = "Intel(R) Dual Band Wireless AC 7260", .fw_name_pre = IWL7260_FW_PRE, IWL_DEVICE_7000, .ht_params = &iwl7000_ht_params, @@ -133,8 +126,44 @@ const struct iwl_cfg iwl7260_2ac_cfg = { .nvm_calib_ver = IWL7260_TX_POWER_VERSION, }; -const struct iwl_cfg iwl3160_ac_cfg = { - .name = "Intel(R) Dual Band Wireless AC3160", +const struct iwl_cfg iwl7260_2n_cfg = { + .name = "Intel(R) Dual Band Wireless N 7260", + .fw_name_pre = IWL7260_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL7260_NVM_VERSION, + .nvm_calib_ver = IWL7260_TX_POWER_VERSION, +}; + +const struct iwl_cfg iwl7260_n_cfg = { + .name = "Intel(R) Wireless N 7260", + .fw_name_pre = IWL7260_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL7260_NVM_VERSION, + .nvm_calib_ver = IWL7260_TX_POWER_VERSION, +}; + +const struct iwl_cfg iwl3160_2ac_cfg = { + .name = "Intel(R) Dual Band Wireless AC 3160", + .fw_name_pre = IWL3160_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL3160_NVM_VERSION, + .nvm_calib_ver = IWL3160_TX_POWER_VERSION, +}; + +const struct iwl_cfg iwl3160_2n_cfg = { + .name = "Intel(R) Dual Band Wireless N 3160", + .fw_name_pre = IWL3160_FW_PRE, + IWL_DEVICE_7000, + .ht_params = &iwl7000_ht_params, + .nvm_ver = IWL3160_NVM_VERSION, + .nvm_calib_ver = IWL3160_TX_POWER_VERSION, +}; + +const struct iwl_cfg iwl3160_n_cfg = { + .name = "Intel(R) Wireless N 3160", .fw_name_pre = IWL3160_FW_PRE, IWL_DEVICE_7000, .ht_params = &iwl7000_ht_params, diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index c38aa8f77554..a193832fc790 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -136,17 +136,9 @@ enum iwl_led_mode { * @led_compensation: compensate on the led on/off time per HW according * to the deviation to achieve the desired led frequency. * The detail algorithm is described in iwl-led.c - * @chain_noise_num_beacons: number of beacons used to compute chain noise - * @adv_thermal_throttle: support advance thermal throttle - * @support_ct_kill_exit: support ct kill exit condition - * @plcp_delta_threshold: plcp error rate threshold used to trigger - * radio tuning when there is a high receiving plcp error rate - * @chain_noise_scale: default chain noise scale used for gain computation * @wd_timeout: TX queues watchdog timeout * @max_event_log_size: size of event log buffer size for ucode event logging * @shadow_reg_enable: HW shadow register support - * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up - * @no_idle_support: do not support idle mode */ struct iwl_base_params { int eeprom_size; @@ -157,31 +149,9 @@ struct iwl_base_params { const u16 max_ll_items; const bool shadow_ram_support; u16 led_compensation; - bool adv_thermal_throttle; - bool support_ct_kill_exit; - u8 plcp_delta_threshold; - s32 chain_noise_scale; unsigned int wd_timeout; u32 max_event_log_size; const bool shadow_reg_enable; - const bool hd_v2; - const bool no_idle_support; -}; - -/* - * @advanced_bt_coexist: support advanced bt coexist - * @bt_init_traffic_load: specify initial bt traffic load - * @bt_prio_boost: default bt priority boost value - * @agg_time_limit: maximum number of uSec in aggregation - * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode - */ -struct iwl_bt_params { - bool advanced_bt_coexist; - u8 bt_init_traffic_load; - u32 bt_prio_boost; - u16 agg_time_limit; - bool bt_sco_disable; - bool bt_session_2; }; /* @@ -231,16 +201,10 @@ struct iwl_eeprom_params { * @nvm_calib_ver: NVM calibration version * @lib: pointer to the lib ops * @base_params: pointer to basic parameters - * @ht_params: point to ht patameters - * @bt_params: pointer to bt parameters - * @need_temp_offset_calib: need to perform temperature offset calibration - * @no_xtal_calib: some devices do not need crystal calibration data, - * don't send it to those + * @ht_params: point to ht parameters * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) - * @adv_pm: advance power management * @rx_with_siso_diversity: 1x1 device with rx antenna diversity * @internal_wimax_coex: internal wifi/wimax combo device - * @temp_offset_v2: support v2 of temperature offset calibration * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -264,15 +228,10 @@ struct iwl_cfg { const struct iwl_base_params *base_params; /* params likely to change within a device family */ const struct iwl_ht_params *ht_params; - const struct iwl_bt_params *bt_params; const struct iwl_eeprom_params *eeprom_params; - const bool need_temp_offset_calib; /* if used set to true */ - const bool no_xtal_calib; enum iwl_led_mode led_mode; - const bool adv_pm; const bool rx_with_siso_diversity; const bool internal_wimax_coex; - const bool temp_offset_v2; }; /* @@ -320,6 +279,10 @@ extern const struct iwl_cfg iwl105_bgn_cfg; extern const struct iwl_cfg iwl105_bgn_d_cfg; extern const struct iwl_cfg iwl135_bgn_cfg; extern const struct iwl_cfg iwl7260_2ac_cfg; -extern const struct iwl_cfg iwl3160_ac_cfg; +extern const struct iwl_cfg iwl7260_2n_cfg; +extern const struct iwl_cfg iwl7260_n_cfg; +extern const struct iwl_cfg iwl3160_2ac_cfg; +extern const struct iwl_cfg iwl3160_2n_cfg; +extern const struct iwl_cfg iwl3160_n_cfg; #endif /* __IWL_CONFIG_H__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 20e845d4da04..a276af476e2d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -472,4 +472,23 @@ #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) +/***************************************************************************** + * 7000/3000 series SHR DTS addresses * + *****************************************************************************/ + +/* Diode Results Register Structure: */ +enum dtd_diode_reg { + DTS_DIODE_REG_DIG_VAL = 0x000000FF, /* bits [7:0] */ + DTS_DIODE_REG_VREF_LOW = 0x0000FF00, /* bits [15:8] */ + DTS_DIODE_REG_VREF_HIGH = 0x00FF0000, /* bits [23:16] */ + DTS_DIODE_REG_VREF_ID = 0x03000000, /* bits [25:24] */ + DTS_DIODE_REG_PASS_ONCE = 0x80000000, /* bits [31:31] */ + DTS_DIODE_REG_FLAGS_MSK = 0xFF000000, /* bits [31:24] */ +/* Those are the masks INSIDE the flags bit-field: */ + DTS_DIODE_REG_FLAGS_VREFS_ID_POS = 0, + DTS_DIODE_REG_FLAGS_VREFS_ID = 0x00000003, /* bits [1:0] */ + DTS_DIODE_REG_FLAGS_PASS_ONCE_POS = 7, + DTS_DIODE_REG_FLAGS_PASS_ONCE = 0x00000080, /* bits [7:7] */ +}; + #endif /* !__iwl_csr_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index 39aad9893e0b..4f886133639a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -1234,6 +1234,9 @@ MODULE_PARM_DESC(wd_disable, "Disable stuck queue watchdog timer 0=system default, " "1=disable, 2=enable (default: 0)"); +module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); +MODULE_PARM_DESC(nvm_file, "NVM file name"); + /* * set bt_coex_active to true, uCode will do kill/defer * every time the priority line is asserted (BT is sending signals on the diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c index 600c9fdd7f71..4c887f365908 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c @@ -732,17 +732,16 @@ int iwl_init_sband_channels(struct iwl_nvm_data *data, void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, struct iwl_nvm_data *data, struct ieee80211_sta_ht_cap *ht_info, - enum ieee80211_band band) + enum ieee80211_band band, + u8 tx_chains, u8 rx_chains) { int max_bit_rate = 0; - u8 rx_chains; - u8 tx_chains; - tx_chains = hweight8(data->valid_tx_ant); + tx_chains = hweight8(tx_chains); if (cfg->rx_with_siso_diversity) rx_chains = 1; else - rx_chains = hweight8(data->valid_rx_ant); + rx_chains = hweight8(rx_chains); if (!(data->sku_cap_11n_enable) || !cfg->ht_params) { ht_info->ht_supported = false; @@ -806,7 +805,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, sband->n_bitrates = N_RATES_24; n_used += iwl_init_sband_channels(data, sband, n_channels, IEEE80211_BAND_2GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ, + data->valid_tx_ant, data->valid_rx_ant); sband = &data->bands[IEEE80211_BAND_5GHZ]; sband->band = IEEE80211_BAND_5GHZ; @@ -814,7 +814,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, sband->n_bitrates = N_RATES_52; n_used += iwl_init_sband_channels(data, sband, n_channels, IEEE80211_BAND_5GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ, + data->valid_tx_ant, data->valid_rx_ant); if (n_channels != n_used) IWL_ERR_DEV(dev, "EEPROM: used only %d of %d channels\n", diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h index 37f115390b19..d73304a23ec2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.h @@ -133,6 +133,7 @@ int iwl_init_sband_channels(struct iwl_nvm_data *data, void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, struct iwl_nvm_data *data, struct ieee80211_sta_ht_cap *ht_info, - enum ieee80211_band band); + enum ieee80211_band band, + u8 tx_chains, u8 rx_chains); #endif /* __iwl_eeprom_parse_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index c4c446d41eb0..f844d5c748c0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -106,11 +106,14 @@ enum iwl_ucode_type { /* * enumeration of ucode section. - * This enumeration is used for legacy tlv style (before 16.0 uCode). + * This enumeration is used directly for older firmware (before 16.0). + * For new firmware, there can be up to 4 sections (see below) but the + * first one packaged into the firmware file is the DATA section and + * some debugging code accesses that. */ enum iwl_ucode_sec { - IWL_UCODE_SECTION_INST, IWL_UCODE_SECTION_DATA, + IWL_UCODE_SECTION_INST, }; /* * For 16.0 uCode and above, there is no differentiation between sections, diff --git a/drivers/net/wireless/iwlwifi/iwl-modparams.h b/drivers/net/wireless/iwlwifi/iwl-modparams.h index d6f6c37c09fd..36dfe0919f6b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/iwlwifi/iwl-modparams.h @@ -119,6 +119,7 @@ struct iwl_mod_params { int ant_coupling; bool bt_ch_announce; bool auto_agg; + char *nvm_file; }; #endif /* #__iwl_modparams_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 6199a0a597a6..acd2665afb8c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -89,6 +89,7 @@ enum nvm_sku_bits { NVM_SKU_CAP_BAND_24GHZ = BIT(0), NVM_SKU_CAP_BAND_52GHZ = BIT(1), NVM_SKU_CAP_11N_ENABLE = BIT(2), + NVM_SKU_CAP_11AC_ENABLE = BIT(3), }; /* radio config bits (actual values from NVM definition) */ @@ -258,8 +259,6 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, struct iwl_nvm_data *data, struct ieee80211_sta_vht_cap *vht_cap) { - /* For now, assume new devices with NVM are VHT capable */ - vht_cap->vht_supported = true; vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 | @@ -292,7 +291,8 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, } static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, - struct iwl_nvm_data *data, const __le16 *nvm_sw) + struct iwl_nvm_data *data, const __le16 *nvm_sw, + bool enable_vht, u8 tx_chains, u8 rx_chains) { int n_channels = iwl_init_channel_map(dev, cfg, data, &nvm_sw[NVM_CHANNELS]); @@ -305,7 +305,8 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, sband->n_bitrates = N_RATES_24; n_used += iwl_init_sband_channels(data, sband, n_channels, IEEE80211_BAND_2GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ, + tx_chains, rx_chains); sband = &data->bands[IEEE80211_BAND_5GHZ]; sband->band = IEEE80211_BAND_5GHZ; @@ -313,8 +314,10 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, sband->n_bitrates = N_RATES_52; n_used += iwl_init_sband_channels(data, sband, n_channels, IEEE80211_BAND_5GHZ); - iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ); - iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap); + iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ, + tx_chains, rx_chains); + if (enable_vht) + iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap); if (n_channels != n_used) IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n", @@ -324,7 +327,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg, struct iwl_nvm_data * iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, const __le16 *nvm_hw, const __le16 *nvm_sw, - const __le16 *nvm_calib) + const __le16 *nvm_calib, u8 tx_chains, u8 rx_chains) { struct iwl_nvm_data *data; u8 hw_addr[ETH_ALEN]; @@ -380,7 +383,8 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, data->hw_addr[4] = hw_addr[5]; data->hw_addr[5] = hw_addr[4]; - iwl_init_sbands(dev, cfg, data, nvm_sw); + iwl_init_sbands(dev, cfg, data, nvm_sw, sku & NVM_SKU_CAP_11AC_ENABLE, + tx_chains, rx_chains); data->calib_version = 255; /* TODO: this value will prevent some checks from diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h index e57fb989661e..3325059c52d4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h @@ -75,6 +75,6 @@ struct iwl_nvm_data * iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, const __le16 *nvm_hw, const __le16 *nvm_sw, - const __le16 *nvm_calib); + const __le16 *nvm_calib, u8 tx_chains, u8 rx_chains); #endif /* __iwl_nvm_parse_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 386f2a7c87cb..ff8cc75c189d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -100,6 +100,18 @@ /* Device system time */ #define DEVICE_SYSTEM_TIME_REG 0xA0206C +/***************************************************************************** + * 7000/3000 series SHR DTS addresses * + *****************************************************************************/ + +#define SHR_MISC_WFM_DTS_EN (0x00a10024) +#define DTSC_CFG_MODE (0x00a10604) +#define DTSC_VREF_AVG (0x00a10648) +#define DTSC_VREF5_AVG (0x00a1064c) +#define DTSC_CFG_MODE_PERIODIC (0x2) +#define DTSC_PTAT_AVG (0x00a10650) + + /** * Tx Scheduler * diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 7a13790b5bfe..84f1c8dc9741 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -189,7 +189,8 @@ enum CMD_MODE { CMD_SYNC = 0, CMD_ASYNC = BIT(0), CMD_WANT_SKB = BIT(1), - CMD_ON_DEMAND = BIT(2), + CMD_SEND_IN_RFKILL = BIT(2), + CMD_ON_DEMAND = BIT(3), }; #define DEF_CMD_PAYLOAD_SIZE 320 @@ -455,7 +456,7 @@ struct iwl_trans_ops { int (*read_mem)(struct iwl_trans *trans, u32 addr, void *buf, int dwords); int (*write_mem)(struct iwl_trans *trans, u32 addr, - void *buf, int dwords); + const void *buf, int dwords); void (*configure)(struct iwl_trans *trans, const struct iwl_trans_config *trans_cfg); void (*set_pmi)(struct iwl_trans *trans, bool state); @@ -761,7 +762,7 @@ static inline u32 iwl_trans_read_mem32(struct iwl_trans *trans, u32 addr) } static inline int iwl_trans_write_mem(struct iwl_trans *trans, u32 addr, - void *buf, int dwords) + const void *buf, int dwords) { return trans->ops->write_mem(trans, addr, buf, dwords); } diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile index 2acc44b40986..ff856e543ae8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/Makefile +++ b/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -3,7 +3,7 @@ iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o iwlmvm-y += utils.o rx.o tx.o binding.o quota.o sta.o iwlmvm-y += scan.o time-event.o rs.o iwlmvm-y += power.o bt-coex.o -iwlmvm-y += led.o +iwlmvm-y += led.o tt.o iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o iwlmvm-$(CONFIG_PM_SLEEP) += d3.o diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c index 810bfa5f6de0..f03655f303aa 100644 --- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c @@ -351,6 +351,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, enum ieee80211_band band; int ave_rssi; + lockdep_assert_held(&mvm->mutex); if (vif->type != NL80211_IFTYPE_STATION) return; @@ -365,7 +366,8 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, smps_mode = IEEE80211_SMPS_AUTOMATIC; if (band != IEEE80211_BAND_2GHZ) { - ieee80211_request_smps(vif, smps_mode); + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, + smps_mode); return; } @@ -380,7 +382,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, mvmvif->id, data->notif->bt_status, data->notif->bt_traffic_load, smps_mode); - ieee80211_request_smps(vif, smps_mode); + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode); /* don't reduce the Tx power if in loose scheme */ if (is_loose_coex()) diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 16bbdcc8627a..4d3c978b5c76 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -1007,6 +1007,10 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (ret) goto out; + ret = iwl_mvm_power_update_mode(mvm, vif); + if (ret) + goto out; + /* must be last -- this switches firmware state */ ret = iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD, CMD_SYNC, sizeof(d3_cfg_cmd), &d3_cfg_cmd); @@ -1214,6 +1218,26 @@ static void iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm, iwl_free_resp(&cmd); } +static void iwl_mvm_read_d3_sram(struct iwl_mvm *mvm) +{ +#ifdef CONFIG_IWLWIFI_DEBUGFS + const struct fw_img *img = &mvm->fw->img[IWL_UCODE_WOWLAN]; + u32 len = img->sec[IWL_UCODE_SECTION_DATA].len; + u32 offs = img->sec[IWL_UCODE_SECTION_DATA].offset; + + if (!mvm->store_d3_resume_sram) + return; + + if (!mvm->d3_resume_sram) { + mvm->d3_resume_sram = kzalloc(len, GFP_KERNEL); + if (!mvm->d3_resume_sram) + return; + } + + iwl_trans_read_mem_bytes(mvm->trans, offs, mvm->d3_resume_sram, len); +#endif +} + int iwl_mvm_resume(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); @@ -1245,6 +1269,9 @@ int iwl_mvm_resume(struct ieee80211_hw *hw) goto out_unlock; } + /* query SRAM first in case we want event logging */ + iwl_mvm_read_d3_sram(mvm); + iwl_mvm_query_wakeup_reasons(mvm, vif); out_unlock: diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 2053dccefcd6..69e0806075a2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -145,15 +145,18 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, char *buf; u8 *ptr; + if (!mvm->ucode_loaded) + return -EINVAL; + /* default is to dump the entire data segment */ if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) { - mvm->dbgfs_sram_offset = 0x800000; - if (!mvm->ucode_loaded) - return -EINVAL; img = &mvm->fw->img[mvm->cur_ucode]; - mvm->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; + ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; + len = img->sec[IWL_UCODE_SECTION_DATA].len; + } else { + ofs = mvm->dbgfs_sram_offset; + len = mvm->dbgfs_sram_len; } - len = mvm->dbgfs_sram_len; bufsz = len * 4 + 256; buf = kzalloc(bufsz, GFP_KERNEL); @@ -167,12 +170,9 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, } pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len); - pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", - mvm->dbgfs_sram_offset); + pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", ofs); - iwl_trans_read_mem_bytes(mvm->trans, - mvm->dbgfs_sram_offset, - ptr, len); + iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); for (ofs = 0; ofs < len; ofs += 16) { pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs); hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, @@ -300,6 +300,146 @@ static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file, return count; } +static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + enum iwl_dbgfs_pm_mask param, int val) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm; + + dbgfs_pm->mask |= param; + + switch (param) { + case MVM_DEBUGFS_PM_KEEP_ALIVE: { + struct ieee80211_hw *hw = mvm->hw; + int dtimper = hw->conf.ps_dtim_period ?: 1; + int dtimper_msec = dtimper * vif->bss_conf.beacon_int; + + IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val); + if (val * MSEC_PER_SEC < 3 * dtimper_msec) { + IWL_WARN(mvm, + "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n", + val * MSEC_PER_SEC, 3 * dtimper_msec); + } + dbgfs_pm->keep_alive_seconds = val; + break; + } + case MVM_DEBUGFS_PM_SKIP_OVER_DTIM: + IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n", + val ? "enabled" : "disabled"); + dbgfs_pm->skip_over_dtim = val; + break; + case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS: + IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val); + dbgfs_pm->skip_dtim_periods = val; + break; + case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT: + IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val); + dbgfs_pm->rx_data_timeout = val; + break; + case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT: + IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val); + dbgfs_pm->tx_data_timeout = val; + break; + case MVM_DEBUGFS_PM_DISABLE_POWER_OFF: + IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val); + dbgfs_pm->disable_power_off = val; + break; + } +} + +static ssize_t iwl_dbgfs_pm_params_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->dbgfs_data; + enum iwl_dbgfs_pm_mask param; + char buf[32] = {}; + int val; + int ret; + + if (copy_from_user(buf, user_buf, sizeof(buf))) + return -EFAULT; + + if (!strncmp("keep_alive=", buf, 11)) { + if (sscanf(buf + 11, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_KEEP_ALIVE; + } else if (!strncmp("skip_over_dtim=", buf, 15)) { + if (sscanf(buf + 15, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM; + } else if (!strncmp("skip_dtim_periods=", buf, 18)) { + if (sscanf(buf + 18, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS; + } else if (!strncmp("rx_data_timeout=", buf, 16)) { + if (sscanf(buf + 16, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT; + } else if (!strncmp("tx_data_timeout=", buf, 16)) { + if (sscanf(buf + 16, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT; + } else if (!strncmp("disable_power_off=", buf, 18)) { + if (sscanf(buf + 18, "%d", &val) != 1) + return -EINVAL; + param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF; + } else { + return -EINVAL; + } + + mutex_lock(&mvm->mutex); + iwl_dbgfs_update_pm(mvm, vif, param, val); + ret = iwl_mvm_power_update_mode(mvm, vif); + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_pm_params_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->dbgfs_data; + struct iwl_powertable_cmd cmd = {}; + char buf[256]; + int bufsz = sizeof(buf); + int pos = 0; + + iwl_mvm_power_build_cmd(mvm, vif, &cmd); + + pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n", + (cmd.flags & + cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ? + 0 : 1); + pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", + le32_to_cpu(cmd.skip_dtim_periods)); + pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", + iwlmvm_mod_params.power_scheme); + pos += scnprintf(buf+pos, bufsz-pos, "flags = %d\n", + le16_to_cpu(cmd.flags)); + pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", + cmd.keep_alive_seconds); + + if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) { + pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", + (cmd.flags & + cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? + 1 : 0); + pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", + le32_to_cpu(cmd.rx_data_timeout)); + pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", + le32_to_cpu(cmd.tx_data_timeout)); + } + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + static ssize_t iwl_dbgfs_mac_params_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -481,6 +621,255 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, return count; } +static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif, + enum iwl_dbgfs_bf_mask param, int value) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; + + dbgfs_bf->mask |= param; + + switch (param) { + case MVM_DEBUGFS_BF_ENERGY_DELTA: + dbgfs_bf->bf_energy_delta = value; + break; + case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA: + dbgfs_bf->bf_roaming_energy_delta = value; + break; + case MVM_DEBUGFS_BF_ROAMING_STATE: + dbgfs_bf->bf_roaming_state = value; + break; + case MVM_DEBUGFS_BF_TEMPERATURE_DELTA: + dbgfs_bf->bf_temperature_delta = value; + break; + case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER: + dbgfs_bf->bf_enable_beacon_filter = value; + break; + case MVM_DEBUGFS_BF_DEBUG_FLAG: + dbgfs_bf->bf_debug_flag = value; + break; + case MVM_DEBUGFS_BF_ESCAPE_TIMER: + dbgfs_bf->bf_escape_timer = value; + break; + case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT: + dbgfs_bf->ba_enable_beacon_abort = value; + break; + case MVM_DEBUGFS_BA_ESCAPE_TIMER: + dbgfs_bf->ba_escape_timer = value; + break; + } +} + +static ssize_t iwl_dbgfs_bf_params_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->dbgfs_data; + enum iwl_dbgfs_bf_mask param; + char buf[256]; + int buf_size; + int value; + int ret = 0; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + if (!strncmp("bf_energy_delta=", buf, 16)) { + if (sscanf(buf+16, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BF_ENERGY_DELTA_MIN || + value > IWL_BF_ENERGY_DELTA_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BF_ENERGY_DELTA; + } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) { + if (sscanf(buf+24, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN || + value > IWL_BF_ROAMING_ENERGY_DELTA_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA; + } else if (!strncmp("bf_roaming_state=", buf, 17)) { + if (sscanf(buf+17, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BF_ROAMING_STATE_MIN || + value > IWL_BF_ROAMING_STATE_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BF_ROAMING_STATE; + } else if (!strncmp("bf_temperature_delta=", buf, 21)) { + if (sscanf(buf+21, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BF_TEMPERATURE_DELTA_MIN || + value > IWL_BF_TEMPERATURE_DELTA_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BF_TEMPERATURE_DELTA; + } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) { + if (sscanf(buf+24, "%d", &value) != 1) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER; + } else if (!strncmp("bf_debug_flag=", buf, 14)) { + if (sscanf(buf+14, "%d", &value) != 1) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + param = MVM_DEBUGFS_BF_DEBUG_FLAG; + } else if (!strncmp("bf_escape_timer=", buf, 16)) { + if (sscanf(buf+16, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BF_ESCAPE_TIMER_MIN || + value > IWL_BF_ESCAPE_TIMER_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BF_ESCAPE_TIMER; + } else if (!strncmp("ba_escape_timer=", buf, 16)) { + if (sscanf(buf+16, "%d", &value) != 1) + return -EINVAL; + if (value < IWL_BA_ESCAPE_TIMER_MIN || + value > IWL_BA_ESCAPE_TIMER_MAX) + return -EINVAL; + param = MVM_DEBUGFS_BA_ESCAPE_TIMER; + } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) { + if (sscanf(buf+23, "%d", &value) != 1) + return -EINVAL; + if (value < 0 || value > 1) + return -EINVAL; + param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT; + } else { + return -EINVAL; + } + + mutex_lock(&mvm->mutex); + iwl_dbgfs_update_bf(vif, param, value); + if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) { + ret = iwl_mvm_disable_beacon_filter(mvm, vif); + } else { + if (mvmvif->bf_enabled) + ret = iwl_mvm_enable_beacon_filter(mvm, vif); + else + ret = iwl_mvm_disable_beacon_filter(mvm, vif); + } + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_bf_params_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_beacon_filter_cmd cmd = { + .bf_energy_delta = IWL_BF_ENERGY_DELTA_DEFAULT, + .bf_roaming_energy_delta = IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT, + .bf_roaming_state = IWL_BF_ROAMING_STATE_DEFAULT, + .bf_temperature_delta = IWL_BF_TEMPERATURE_DELTA_DEFAULT, + .bf_enable_beacon_filter = IWL_BF_ENABLE_BEACON_FILTER_DEFAULT, + .bf_debug_flag = IWL_BF_DEBUG_FLAG_DEFAULT, + .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT), + .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT), + .ba_enable_beacon_abort = IWL_BA_ENABLE_BEACON_ABORT_DEFAULT, + }; + + iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); + if (mvmvif->bf_enabled) + cmd.bf_enable_beacon_filter = 1; + else + cmd.bf_enable_beacon_filter = 0; + + pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n", + cmd.bf_energy_delta); + pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n", + cmd.bf_roaming_energy_delta); + pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n", + cmd.bf_roaming_state); + pos += scnprintf(buf+pos, bufsz-pos, "bf_temperature_delta = %d\n", + cmd.bf_temperature_delta); + pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n", + cmd.bf_enable_beacon_filter); + pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n", + cmd.bf_debug_flag); + pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n", + cmd.bf_escape_timer); + pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n", + cmd.ba_escape_timer); + pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n", + cmd.ba_enable_beacon_abort); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +#ifdef CONFIG_PM_SLEEP +static ssize_t iwl_dbgfs_d3_sram_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char buf[8] = {}; + int store; + + if (copy_from_user(buf, user_buf, sizeof(buf))) + return -EFAULT; + + if (sscanf(buf, "%d", &store) != 1) + return -EINVAL; + + mvm->store_d3_resume_sram = store; + + return count; +} + +static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + const struct fw_img *img; + int ofs, len, pos = 0; + size_t bufsz, ret; + char *buf; + u8 *ptr = mvm->d3_resume_sram; + + img = &mvm->fw->img[IWL_UCODE_WOWLAN]; + len = img->sec[IWL_UCODE_SECTION_DATA].len; + + bufsz = len * 4 + 256; + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", + mvm->store_d3_resume_sram ? "en" : "dis"); + + if (ptr) { + for (ofs = 0; ofs < len; ofs += 16) { + pos += scnprintf(buf + pos, bufsz - pos, + "0x%.4x ", ofs); + hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, + bufsz - pos, false); + pos += strlen(buf + pos); + if (bufsz - pos > 0) + buf[pos++] = '\n'; + } + } else { + pos += scnprintf(buf + pos, bufsz - pos, + "(no data captured)\n"); + } + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + + kfree(buf); + + return ret; +} +#endif + #define MVM_DEBUGFS_READ_FILE_OPS(name) \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .read = iwl_dbgfs_##name##_read, \ @@ -524,9 +913,14 @@ MVM_DEBUGFS_READ_FILE_OPS(bt_notif); MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow); MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow); MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart); +#ifdef CONFIG_PM_SLEEP +MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram); +#endif /* Interface specific debugfs entries */ MVM_DEBUGFS_READ_FILE_OPS(mac_params); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params); int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) { @@ -542,6 +936,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR); MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR); MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); +#ifdef CONFIG_PM_SLEEP + MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); +#endif /* * Create a symlink with mac80211. It will be removed when mac80211 @@ -577,9 +974,19 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return; } + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM && + vif->type == NL80211_IFTYPE_STATION && !vif->p2p) + MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR | + S_IRUSR); + MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR); + if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && + mvmvif == mvm->bf_allowed_vif) + MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + /* * Create symlink for convenience pointing to interface specific * debugfs entries for the driver. For example, under diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h index 51e015d1dfb2..6f8b2c16ae17 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h @@ -75,13 +75,15 @@ enum iwl_d3_wakeup_flags { * struct iwl_d3_manager_config - D3 manager configuration command * @min_sleep_time: minimum sleep time (in usec) * @wakeup_flags: wakeup flags, see &enum iwl_d3_wakeup_flags + * @wakeup_host_timer: force wakeup after this many seconds * * The structure is used for the D3_CONFIG_CMD command. */ struct iwl_d3_manager_config { __le32 min_sleep_time; __le32 wakeup_flags; -} __packed; /* D3_MANAGER_CONFIG_CMD_S_VER_3 */ + __le32 wakeup_host_timer; +} __packed; /* D3_MANAGER_CONFIG_CMD_S_VER_4 */ /* TODO: OFFLOADS_QUERY_API_S_VER_1 */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index 81fe45f46be7..d8e19290b0f3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -101,20 +101,107 @@ enum iwl_power_flags { * @tx_data_timeout: Minimum time (usec) from last Tx packet for AM to * PSM transition - legacy PM * @sleep_interval: not in use - * @keep_alive_beacons: not in use + * @skip_dtim_periods: Number of DTIM periods to skip if Skip over DTIM flag + * is set. For example, if it is required to skip over + * one DTIM, this value need to be set to 2 (DTIM periods). * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled. * Default: 80dbm */ struct iwl_powertable_cmd { - /* PM_POWER_TABLE_CMD_API_S_VER_5 */ + /* PM_POWER_TABLE_CMD_API_S_VER_6 */ __le16 flags; u8 keep_alive_seconds; u8 debug_flags; __le32 rx_data_timeout; __le32 tx_data_timeout; __le32 sleep_interval[IWL_POWER_VEC_SIZE]; - __le32 keep_alive_beacons; + __le32 skip_dtim_periods; __le32 lprx_rssi_threshold; } __packed; +/** + * struct iwl_beacon_filter_cmd + * REPLY_BEACON_FILTERING_CMD = 0xd2 (command) + * @id_and_color: MAC contex identifier + * @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon + * to driver if delta in Energy values calculated for this and last + * passed beacon is greater than this threshold. Zero value means that + * the Energy change is ignored for beacon filtering, and beacon will + * not be forced to be sent to driver regardless of this delta. Typical + * energy delta 5dB. + * @bf_roaming_energy_delta: Used for RSSI filtering, if in 'roaming' state. + * Send beacon to driver if delta in Energy values calculated for this + * and last passed beacon is greater than this threshold. Zero value + * means that the Energy change is ignored for beacon filtering while in + * Roaming state, typical energy delta 1dB. + * @bf_roaming_state: Used for RSSI filtering. If absolute Energy values + * calculated for current beacon is less than the threshold, use + * Roaming Energy Delta Threshold, otherwise use normal Energy Delta + * Threshold. Typical energy threshold is -72dBm. + * @bf_temperature_delta: Send Beacon to driver if delta in temperature values + * calculated for this and the last passed beacon is greater than this + * threshold. Zero value means that the temperature changeis ignored for + * beacon filtering; beacons will not be forced to be sent to driver + * regardless of whether its temerature has been changed. + * @bf_enable_beacon_filter: 1, beacon filtering is enabled; 0, disabled. + * @bf_filter_escape_timer: Send beacons to to driver if no beacons were passed + * for a specific period of time. Units: Beacons. + * @ba_escape_timer: Fully receive and parse beacon if no beacons were passed + * for a longer period of time then this escape-timeout. Units: Beacons. + * @ba_enable_beacon_abort: 1, beacon abort is enabled; 0, disabled. + */ +struct iwl_beacon_filter_cmd { + u8 bf_energy_delta; + u8 bf_roaming_energy_delta; + u8 bf_roaming_state; + u8 bf_temperature_delta; + u8 bf_enable_beacon_filter; + u8 bf_debug_flag; + __le16 reserved1; + __le32 bf_escape_timer; + __le32 ba_escape_timer; + u8 ba_enable_beacon_abort; + u8 reserved2[3]; +} __packed; + +/* Beacon filtering and beacon abort */ +#define IWL_BF_ENERGY_DELTA_DEFAULT 5 +#define IWL_BF_ENERGY_DELTA_MAX 255 +#define IWL_BF_ENERGY_DELTA_MIN 0 + +#define IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT 1 +#define IWL_BF_ROAMING_ENERGY_DELTA_MAX 255 +#define IWL_BF_ROAMING_ENERGY_DELTA_MIN 0 + +#define IWL_BF_ROAMING_STATE_DEFAULT 72 +#define IWL_BF_ROAMING_STATE_MAX 255 +#define IWL_BF_ROAMING_STATE_MIN 0 + +#define IWL_BF_TEMPERATURE_DELTA_DEFAULT 5 +#define IWL_BF_TEMPERATURE_DELTA_MAX 255 +#define IWL_BF_TEMPERATURE_DELTA_MIN 0 + +#define IWL_BF_ENABLE_BEACON_FILTER_DEFAULT 1 + +#define IWL_BF_DEBUG_FLAG_DEFAULT 0 + +#define IWL_BF_ESCAPE_TIMER_DEFAULT 50 +#define IWL_BF_ESCAPE_TIMER_MAX 1024 +#define IWL_BF_ESCAPE_TIMER_MIN 0 + +#define IWL_BA_ESCAPE_TIMER_DEFAULT 3 +#define IWL_BA_ESCAPE_TIMER_MAX 1024 +#define IWL_BA_ESCAPE_TIMER_MIN 0 + +#define IWL_BA_ENABLE_BEACON_ABORT_DEFAULT 1 + +#define IWL_BF_CMD_CONFIG_DEFAULTS \ + .bf_energy_delta = IWL_BF_ENERGY_DELTA_DEFAULT, \ + .bf_roaming_energy_delta = IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT, \ + .bf_roaming_state = IWL_BF_ROAMING_STATE_DEFAULT, \ + .bf_temperature_delta = IWL_BF_TEMPERATURE_DELTA_DEFAULT, \ + .bf_debug_flag = IWL_BF_DEBUG_FLAG_DEFAULT, \ + .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT), \ + .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT) + #endif diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h index 007a93b25bd7..6994232f5726 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -134,6 +134,7 @@ enum iwl_tx_flags { #define TX_CMD_SEC_WEP 0x01 #define TX_CMD_SEC_CCM 0x02 #define TX_CMD_SEC_TKIP 0x03 +#define TX_CMD_SEC_MSK 0x07 #define TX_CMD_SEC_WEP_KEY_IDX_POS 6 #define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 #define TX_CMD_SEC_KEY128 0x08 diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 191dcae8ba47..cbfb3beae783 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -139,6 +139,9 @@ enum { /* Power */ POWER_TABLE_CMD = 0x77, + /* Thermal Throttling*/ + REPLY_THERMAL_MNG_BACKOFF = 0x7e, + /* Scanning */ SCAN_REQUEST_CMD = 0x80, SCAN_ABORT_CMD = 0x81, @@ -161,6 +164,8 @@ enum { CARD_STATE_CMD = 0xa0, CARD_STATE_NOTIFICATION = 0xa1, + MISSED_BEACONS_NOTIFICATION = 0xa2, + REPLY_RX_PHY_CMD = 0xc0, REPLY_RX_MPDU_CMD = 0xc1, BA_NOTIF = 0xc5, @@ -170,9 +175,13 @@ enum { BT_COEX_PROT_ENV = 0xcd, BT_PROFILE_NOTIFICATION = 0xce, + REPLY_BEACON_FILTERING_CMD = 0xd2, + REPLY_DEBUG_CMD = 0xf0, DEBUG_LOG_MSG = 0xf7, + MCAST_FILTER_CMD = 0xd0, + /* D3 commands/notifications */ D3_CONFIG_CMD = 0xd3, PROT_OFFLOAD_CONFIG_CMD = 0xd4, @@ -936,6 +945,24 @@ struct iwl_card_state_notif { } __packed; /* CARD_STATE_NTFY_API_S_VER_1 */ /** + * struct iwl_missed_beacons_notif - information on missed beacons + * ( MISSED_BEACONS_NOTIFICATION = 0xa2 ) + * @mac_id: interface ID + * @consec_missed_beacons_since_last_rx: number of consecutive missed + * beacons since last RX. + * @consec_missed_beacons: number of consecutive missed beacons + * @num_expected_beacons: + * @num_recvd_beacons: + */ +struct iwl_missed_beacons_notif { + __le32 mac_id; + __le32 consec_missed_beacons_since_last_rx; + __le32 consec_missed_beacons; + __le32 num_expected_beacons; + __le32 num_recvd_beacons; +} __packed; /* MISSED_BEACON_NTFY_API_S_VER_3 */ + +/** * struct iwl_set_calib_default_cmd - set default value for calibration. * ( SET_CALIB_DEFAULT_CMD = 0x8e ) * @calib_index: the calibration to set value for @@ -948,4 +975,237 @@ struct iwl_set_calib_default_cmd { u8 data[0]; } __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */ +#define MAX_PORT_ID_NUM 2 + +/** + * struct iwl_mcast_filter_cmd - configure multicast filter. + * @filter_own: Set 1 to filter out multicast packets sent by station itself + * @port_id: Multicast MAC addresses array specifier. This is a strange way + * to identify network interface adopted in host-device IF. + * It is used by FW as index in array of addresses. This array has + * MAX_PORT_ID_NUM members. + * @count: Number of MAC addresses in the array + * @pass_all: Set 1 to pass all multicast packets. + * @bssid: current association BSSID. + * @addr_list: Place holder for array of MAC addresses. + * IMPORTANT: add padding if necessary to ensure DWORD alignment. + */ +struct iwl_mcast_filter_cmd { + u8 filter_own; + u8 port_id; + u8 count; + u8 pass_all; + u8 bssid[6]; + u8 reserved[2]; + u8 addr_list[0]; +} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */ + +struct mvm_statistics_dbg { + __le32 burst_check; + __le32 burst_count; + __le32 wait_for_silence_timeout_cnt; + __le32 reserved[3]; +} __packed; /* STATISTICS_DEBUG_API_S_VER_2 */ + +struct mvm_statistics_div { + __le32 tx_on_a; + __le32 tx_on_b; + __le32 exec_time; + __le32 probe_time; + __le32 rssi_ant; + __le32 reserved2; +} __packed; /* STATISTICS_SLOW_DIV_API_S_VER_2 */ + +struct mvm_statistics_general_common { + __le32 temperature; /* radio temperature */ + __le32 temperature_m; /* radio voltage */ + struct mvm_statistics_dbg dbg; + __le32 sleep_time; + __le32 slots_out; + __le32 slots_idle; + __le32 ttl_timestamp; + struct mvm_statistics_div div; + __le32 rx_enable_counter; + /* + * num_of_sos_states: + * count the number of times we have to re-tune + * in order to get out of bad PHY status + */ + __le32 num_of_sos_states; +} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */ + +struct mvm_statistics_rx_non_phy { + __le32 bogus_cts; /* CTS received when not expecting CTS */ + __le32 bogus_ack; /* ACK received when not expecting ACK */ + __le32 non_bssid_frames; /* number of frames with BSSID that + * doesn't belong to the STA BSSID */ + __le32 filtered_frames; /* count frames that were dumped in the + * filtering process */ + __le32 non_channel_beacons; /* beacons with our bss id but not on + * our serving channel */ + __le32 channel_beacons; /* beacons with our bss id and in our + * serving channel */ + __le32 num_missed_bcon; /* number of missed beacons */ + __le32 adc_rx_saturation_time; /* count in 0.8us units the time the + * ADC was in saturation */ + __le32 ina_detection_search_time;/* total time (in 0.8us) searched + * for INA */ + __le32 beacon_silence_rssi_a; /* RSSI silence after beacon frame */ + __le32 beacon_silence_rssi_b; /* RSSI silence after beacon frame */ + __le32 beacon_silence_rssi_c; /* RSSI silence after beacon frame */ + __le32 interference_data_flag; /* flag for interference data + * availability. 1 when data is + * available. */ + __le32 channel_load; /* counts RX Enable time in uSec */ + __le32 dsp_false_alarms; /* DSP false alarm (both OFDM + * and CCK) counter */ + __le32 beacon_rssi_a; + __le32 beacon_rssi_b; + __le32 beacon_rssi_c; + __le32 beacon_energy_a; + __le32 beacon_energy_b; + __le32 beacon_energy_c; + __le32 num_bt_kills; + __le32 mac_id; + __le32 directed_data_mpdu; +} __packed; /* STATISTICS_RX_NON_PHY_API_S_VER_3 */ + +struct mvm_statistics_rx_phy { + __le32 ina_cnt; + __le32 fina_cnt; + __le32 plcp_err; + __le32 crc32_err; + __le32 overrun_err; + __le32 early_overrun_err; + __le32 crc32_good; + __le32 false_alarm_cnt; + __le32 fina_sync_err_cnt; + __le32 sfd_timeout; + __le32 fina_timeout; + __le32 unresponded_rts; + __le32 rxe_frame_limit_overrun; + __le32 sent_ack_cnt; + __le32 sent_cts_cnt; + __le32 sent_ba_rsp_cnt; + __le32 dsp_self_kill; + __le32 mh_format_err; + __le32 re_acq_main_rssi_sum; + __le32 reserved; +} __packed; /* STATISTICS_RX_PHY_API_S_VER_2 */ + +struct mvm_statistics_rx_ht_phy { + __le32 plcp_err; + __le32 overrun_err; + __le32 early_overrun_err; + __le32 crc32_good; + __le32 crc32_err; + __le32 mh_format_err; + __le32 agg_crc32_good; + __le32 agg_mpdu_cnt; + __le32 agg_cnt; + __le32 unsupport_mcs; +} __packed; /* STATISTICS_HT_RX_PHY_API_S_VER_1 */ + +#define MAX_CHAINS 3 + +struct mvm_statistics_tx_non_phy_agg { + __le32 ba_timeout; + __le32 ba_reschedule_frames; + __le32 scd_query_agg_frame_cnt; + __le32 scd_query_no_agg; + __le32 scd_query_agg; + __le32 scd_query_mismatch; + __le32 frame_not_ready; + __le32 underrun; + __le32 bt_prio_kill; + __le32 rx_ba_rsp_cnt; + __s8 txpower[MAX_CHAINS]; + __s8 reserved; + __le32 reserved2; +} __packed; /* STATISTICS_TX_NON_PHY_AGG_API_S_VER_1 */ + +struct mvm_statistics_tx_channel_width { + __le32 ext_cca_narrow_ch20[1]; + __le32 ext_cca_narrow_ch40[2]; + __le32 ext_cca_narrow_ch80[3]; + __le32 ext_cca_narrow_ch160[4]; + __le32 last_tx_ch_width_indx; + __le32 rx_detected_per_ch_width[4]; + __le32 success_per_ch_width[4]; + __le32 fail_per_ch_width[4]; +}; /* STATISTICS_TX_CHANNEL_WIDTH_API_S_VER_1 */ + +struct mvm_statistics_tx { + __le32 preamble_cnt; + __le32 rx_detected_cnt; + __le32 bt_prio_defer_cnt; + __le32 bt_prio_kill_cnt; + __le32 few_bytes_cnt; + __le32 cts_timeout; + __le32 ack_timeout; + __le32 expected_ack_cnt; + __le32 actual_ack_cnt; + __le32 dump_msdu_cnt; + __le32 burst_abort_next_frame_mismatch_cnt; + __le32 burst_abort_missing_next_frame_cnt; + __le32 cts_timeout_collision; + __le32 ack_or_ba_timeout_collision; + struct mvm_statistics_tx_non_phy_agg agg; + struct mvm_statistics_tx_channel_width channel_width; +} __packed; /* STATISTICS_TX_API_S_VER_4 */ + + +struct mvm_statistics_bt_activity { + __le32 hi_priority_tx_req_cnt; + __le32 hi_priority_tx_denied_cnt; + __le32 lo_priority_tx_req_cnt; + __le32 lo_priority_tx_denied_cnt; + __le32 hi_priority_rx_req_cnt; + __le32 hi_priority_rx_denied_cnt; + __le32 lo_priority_rx_req_cnt; + __le32 lo_priority_rx_denied_cnt; +} __packed; /* STATISTICS_BT_ACTIVITY_API_S_VER_1 */ + +struct mvm_statistics_general { + struct mvm_statistics_general_common common; + __le32 beacon_filtered; + __le32 missed_beacons; + __s8 beacon_filter_everage_energy; + __s8 beacon_filter_reason; + __s8 beacon_filter_current_energy; + __s8 beacon_filter_reserved; + __le32 beacon_filter_delta_time; + struct mvm_statistics_bt_activity bt_activity; +} __packed; /* STATISTICS_GENERAL_API_S_VER_5 */ + +struct mvm_statistics_rx { + struct mvm_statistics_rx_phy ofdm; + struct mvm_statistics_rx_phy cck; + struct mvm_statistics_rx_non_phy general; + struct mvm_statistics_rx_ht_phy ofdm_ht; +} __packed; /* STATISTICS_RX_API_S_VER_3 */ + +/* + * STATISTICS_NOTIFICATION = 0x9d (notification only, not a command) + * + * By default, uCode issues this notification after receiving a beacon + * while associated. To disable this behavior, set DISABLE_NOTIF flag in the + * REPLY_STATISTICS_CMD 0x9c, above. + * + * Statistics counters continue to increment beacon after beacon, but are + * cleared when changing channels or when driver issues REPLY_STATISTICS_CMD + * 0x9c with CLEAR_STATS bit set (see above). + * + * uCode also issues this notification during scans. uCode clears statistics + * appropriately so that each notification contains statistics for only the + * one channel that has just been scanned. + */ + +struct iwl_notif_statistics { /* STATISTICS_NTFY_API_S_VER_8 */ + __le32 flag; + struct mvm_statistics_rx rx; + struct mvm_statistics_tx tx; + struct mvm_statistics_general general; +} __packed; + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index e18c92dd60ec..cd7c0032cc58 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -326,6 +326,17 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); WARN_ON(ret); + /* + * abort after reading the nvm in case RF Kill is on, we will complete + * the init seq later when RF kill will switch to off + */ + if (iwl_mvm_is_radio_killed(mvm)) { + IWL_DEBUG_RF_KILL(mvm, + "jump over all phy activities due to RF kill\n"); + iwl_remove_notification(&mvm->notif_wait, &calib_wait); + return 1; + } + /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw)); if (ret) @@ -388,6 +399,8 @@ out: int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; + struct ieee80211_channel *chan; + struct cfg80211_chan_def chandef; lockdep_assert_held(&mvm->mutex); @@ -400,8 +413,16 @@ int iwl_mvm_up(struct iwl_mvm *mvm) ret = iwl_run_init_mvm_ucode(mvm, false); if (ret && !iwlmvm_mod_params.init_dbg) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); + /* this can't happen */ + if (WARN_ON(ret > 0)) + ret = -ERFKILL; goto error; } + /* should stop & start HW since that INIT image just loaded */ + iwl_trans_stop_hw(mvm->trans, false); + ret = iwl_trans_start_hw(mvm->trans); + if (ret) + return ret; } if (iwlmvm_mod_params.init_dbg) @@ -443,8 +464,22 @@ int iwl_mvm_up(struct iwl_mvm *mvm) if (ret) goto error; - IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); + /* Add all the PHY contexts */ + chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; + cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); + for (i = 0; i < NUM_PHY_CTX; i++) { + /* + * The channel used here isn't relevant as it's + * going to be overwritten in the other flows. + * For now use the first channel we have. + */ + ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], + &chandef, 1, 1); + if (ret) + goto error; + } + IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: iwl_trans_stop_device(mvm->trans); diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index e6eca4d66f6c..b4e8e597d2b7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -227,7 +227,7 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm, .found_vif = false, }; u32 ac; - int ret; + int ret, i; /* * Allocate a MAC ID and a TSF for this MAC, along with the queues @@ -335,6 +335,9 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm, mvmvif->bcast_sta.sta_id = IWL_MVM_STATION_COUNT; mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) + mvmvif->smps_requests[i] = IEEE80211_SMPS_AUTOMATIC; + return 0; exit_fail: @@ -586,10 +589,12 @@ static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm, */ static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_data_sta *ctxt_sta) + struct iwl_mac_data_sta *ctxt_sta, + bool force_assoc_off) { /* We need the dtim_period to set the MAC as associated */ - if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) { + if (vif->bss_conf.assoc && vif->bss_conf.dtim_period && + !force_assoc_off) { u32 dtim_offs; /* @@ -659,7 +664,8 @@ static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm, cmd.filter_flags &= ~cpu_to_le32(MAC_FILTER_IN_BEACON); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta, + action == FW_CTXT_ACTION_ADD); return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -677,7 +683,8 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta, + action == FW_CTXT_ACTION_ADD); cmd.p2p_sta.ctwin = cpu_to_le32(noa->oppps_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK); @@ -1043,3 +1050,28 @@ int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, rate); return 0; } + +static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + u16 *id = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (mvmvif->id == *id) + ieee80211_beacon_loss(vif); +} + +int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_missed_beacons_notif *missed_beacons = (void *)pkt->data; + u16 id = (u16)le32_to_cpu(missed_beacons->mac_id); + + ieee80211_iterate_active_interfaces_atomic(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_beacon_loss_iterator, + &id); + return 0; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 827fa641490f..b807ddac650c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -127,6 +127,17 @@ static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = { }; #endif +static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) +{ + int i; + + memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); + for (i = 0; i < NUM_PHY_CTX; i++) { + mvm->phy_ctxts[i].id = i; + mvm->phy_ctxts[i].ref = 0; + } +} + int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) { struct ieee80211_hw *hw = mvm->hw; @@ -141,7 +152,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_TIMING_BEACON_ONLY; + IEEE80211_HW_TIMING_BEACON_ONLY | + IEEE80211_HW_CONNECTION_MONITOR; hw->queues = IWL_MVM_FIRST_AGG_QUEUE; hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; @@ -158,7 +170,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->sta_data_size = sizeof(struct iwl_mvm_sta); hw->vif_data_size = sizeof(struct iwl_mvm_vif); - hw->chanctx_data_size = sizeof(struct iwl_mvm_phy_ctxt); + hw->chanctx_data_size = sizeof(u16); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_P2P_CLIENT) | @@ -193,6 +205,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->n_addresses++; } + iwl_mvm_reset_phy_ctxts(mvm); + /* we create the 802.11 header and a max-length SSID element */ hw->wiphy->max_scan_ie_len = mvm->fw->ucode_capa.max_probe_length - 24 - 34; @@ -252,8 +266,8 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - if (test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status)) { - IWL_DEBUG_DROP(mvm, "Dropping - RF KILL\n"); + if (iwl_mvm_is_radio_killed(mvm)) { + IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); goto drop; } @@ -345,8 +359,7 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); spin_unlock_bh(&mvm->time_event_lock); - if (vif->type != NL80211_IFTYPE_P2P_DEVICE) - mvmvif->phy_ctxt = NULL; + mvmvif->phy_ctxt = NULL; } static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) @@ -363,6 +376,9 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL, iwl_mvm_cleanup_iterator, mvm); + mvm->p2p_device_vif = NULL; + + iwl_mvm_reset_phy_ctxts(mvm); memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained)); @@ -456,6 +472,20 @@ static void iwl_mvm_power_update_iterator(void *data, u8 *mac, iwl_mvm_power_update_mode(mvm, vif); } +static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) +{ + u16 i; + + lockdep_assert_held(&mvm->mutex); + + for (i = 0; i < NUM_PHY_CTX; i++) + if (!mvm->phy_ctxts[i].ref) + return &mvm->phy_ctxts[i]; + + IWL_ERR(mvm, "No available PHY context\n"); + return NULL; +} + static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -530,32 +560,34 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, */ iwl_mvm_power_update_mode(mvm, vif); + /* beacon filtering */ + if (!mvm->bf_allowed_vif && + vif->type == NL80211_IFTYPE_STATION && !vif->p2p){ + mvm->bf_allowed_vif = mvmvif; + vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + } + + ret = iwl_mvm_disable_beacon_filter(mvm, vif); + if (ret) + goto out_release; + /* * P2P_DEVICE interface does not have a channel context assigned to it, * so a dedicated PHY context is allocated to it and the corresponding * MAC context is bound to it at this stage. */ if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { - struct ieee80211_channel *chan; - struct cfg80211_chan_def chandef; - - mvmvif->phy_ctxt = &mvm->phy_ctxt_roc; - /* - * The channel used here isn't relevant as it's - * going to be overwritten as part of the ROC flow. - * For now use the first channel we have. - */ - chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; - cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); - ret = iwl_mvm_phy_ctxt_add(mvm, mvmvif->phy_ctxt, - &chandef, 1, 1); - if (ret) + mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); + if (!mvmvif->phy_ctxt) { + ret = -ENOSPC; goto out_remove_mac; + } + iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); ret = iwl_mvm_binding_add_vif(mvm, vif); if (ret) - goto out_remove_phy; + goto out_unref_phy; ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta); if (ret) @@ -571,8 +603,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, out_unbind: iwl_mvm_binding_remove_vif(mvm, vif); - out_remove_phy: - iwl_mvm_phy_ctxt_remove(mvm, mvmvif->phy_ctxt); + out_unref_phy: + iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); out_remove_mac: mvmvif->phy_ctxt = NULL; iwl_mvm_mac_ctxt_remove(mvm, vif); @@ -646,6 +678,11 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); + if (mvm->bf_allowed_vif == mvmvif) { + mvm->bf_allowed_vif = NULL; + vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; + } + iwl_mvm_vif_dbgfs_clean(mvm, vif); /* @@ -661,7 +698,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, mvm->p2p_device_vif = NULL; iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta); iwl_mvm_binding_remove_vif(mvm, vif); - iwl_mvm_phy_ctxt_remove(mvm, mvmvif->phy_ctxt); + iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); mvmvif->phy_ctxt = NULL; } @@ -701,6 +738,20 @@ static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, *total_flags = 0; } +static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mcast_filter_cmd mcast_filter_cmd = { + .pass_all = 1, + }; + + memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN); + + return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, + sizeof(mcast_filter_cmd), + &mcast_filter_cmd); +} + static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -722,6 +773,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, return; } iwl_mvm_bt_coex_vif_assoc(mvm, vif); + iwl_mvm_configure_mcast_filter(mvm, vif); } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { /* remove AP station now that the MAC is unassoc */ ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); @@ -931,7 +983,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, switch (cmd) { case STA_NOTIFY_SLEEP: - if (atomic_read(&mvmsta->pending_frames) > 0) + if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) ieee80211_sta_block_awake(hw, sta, true); /* * The fw updates the STA to be asleep. Tx packets on the Tx @@ -984,9 +1036,13 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, mvmvif->phy_ctxt->channel->band); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTHORIZED) { + /* enable beacon filtering */ + WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); ret = 0; } else if (old_state == IEEE80211_STA_AUTHORIZED && new_state == IEEE80211_STA_ASSOC) { + /* disable beacon filtering */ + WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif)); ret = 0; } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTH) { @@ -1152,29 +1208,107 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw, enum ieee80211_roc_type type) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct cfg80211_chan_def chandef; - int ret; + struct iwl_mvm_phy_ctxt *phy_ctxt; + int ret, i; + + IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, + duration, type); if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type); return -EINVAL; } - IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, - duration, type); - mutex_lock(&mvm->mutex); + for (i = 0; i < NUM_PHY_CTX; i++) { + phy_ctxt = &mvm->phy_ctxts[i]; + if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) + continue; + + if (phy_ctxt->ref && channel == phy_ctxt->channel) { + /* + * Unbind the P2P_DEVICE from the current PHY context, + * and if the PHY context is not used remove it. + */ + ret = iwl_mvm_binding_remove_vif(mvm, vif); + if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) + goto out_unlock; + + iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); + + /* Bind the P2P_DEVICE to the current PHY Context */ + mvmvif->phy_ctxt = phy_ctxt; + + ret = iwl_mvm_binding_add_vif(mvm, vif); + if (WARN(ret, "Failed binding P2P_DEVICE\n")) + goto out_unlock; + + iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); + goto schedule_time_event; + } + } + + /* Need to update the PHY context only if the ROC channel changed */ + if (channel == mvmvif->phy_ctxt->channel) + goto schedule_time_event; + cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); - ret = iwl_mvm_phy_ctxt_changed(mvm, &mvm->phy_ctxt_roc, - &chandef, 1, 1); + /* + * Change the PHY context configuration as it is currently referenced + * only by the P2P Device MAC + */ + if (mvmvif->phy_ctxt->ref == 1) { + ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt, + &chandef, 1, 1); + if (ret) + goto out_unlock; + } else { + /* + * The PHY context is shared with other MACs. Need to remove the + * P2P Device from the binding, allocate an new PHY context and + * create a new binding + */ + phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); + if (!phy_ctxt) { + ret = -ENOSPC; + goto out_unlock; + } + + ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef, + 1, 1); + if (ret) { + IWL_ERR(mvm, "Failed to change PHY context\n"); + goto out_unlock; + } + + /* Unbind the P2P_DEVICE from the current PHY context */ + ret = iwl_mvm_binding_remove_vif(mvm, vif); + if (WARN(ret, "Failed unbinding P2P_DEVICE\n")) + goto out_unlock; + + iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt); + + /* Bind the P2P_DEVICE to the new allocated PHY context */ + mvmvif->phy_ctxt = phy_ctxt; + + ret = iwl_mvm_binding_add_vif(mvm, vif); + if (WARN(ret, "Failed binding P2P_DEVICE\n")) + goto out_unlock; + + iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt); + } + +schedule_time_event: /* Schedule the time events */ ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); +out_unlock: mutex_unlock(&mvm->mutex); IWL_DEBUG_MAC80211(mvm, "leave\n"); - return ret; } @@ -1196,15 +1330,30 @@ static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; + struct iwl_mvm_phy_ctxt *phy_ctxt; int ret; + IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); + mutex_lock(&mvm->mutex); + phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); + if (!phy_ctxt) { + ret = -ENOSPC; + goto out; + } + + ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def, + ctx->rx_chains_static, + ctx->rx_chains_dynamic); + if (ret) { + IWL_ERR(mvm, "Failed to add PHY context\n"); + goto out; + } - IWL_DEBUG_MAC80211(mvm, "Add PHY context\n"); - ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, &ctx->def, - ctx->rx_chains_static, - ctx->rx_chains_dynamic); + iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); + *phy_ctxt_id = phy_ctxt->id; +out: mutex_unlock(&mvm->mutex); return ret; } @@ -1213,10 +1362,11 @@ static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; + struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; mutex_lock(&mvm->mutex); - iwl_mvm_phy_ctxt_remove(mvm, phy_ctxt); + iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); mutex_unlock(&mvm->mutex); } @@ -1225,7 +1375,16 @@ static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, u32 changed) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; + u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; + struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; + + if (WARN_ONCE((phy_ctxt->ref > 1) && + (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | + IEEE80211_CHANCTX_CHANGE_RX_CHAINS | + IEEE80211_CHANCTX_CHANGE_RADAR)), + "Cannot change PHY. Ref=%d, changed=0x%X\n", + phy_ctxt->ref, changed)) + return; mutex_lock(&mvm->mutex); iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->def, @@ -1239,13 +1398,14 @@ static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct iwl_mvm_phy_ctxt *phyctx = (void *)ctx->drv_priv; + u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; + struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; mutex_lock(&mvm->mutex); - mvmvif->phy_ctxt = phyctx; + mvmvif->phy_ctxt = phy_ctxt; switch (vif->type) { case NL80211_IFTYPE_AP: diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index b62a948658ac..109200bdf5c5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -109,6 +109,7 @@ extern struct iwl_mvm_mod_params iwlmvm_mod_params; struct iwl_mvm_phy_ctxt { u16 id; u16 color; + u32 ref; /* * TODO: This should probably be removed. Currently here only for rate @@ -149,6 +150,60 @@ enum iwl_power_scheme { #define IWL_CONN_MAX_LISTEN_INTERVAL 70 +#ifdef CONFIG_IWLWIFI_DEBUGFS +enum iwl_dbgfs_pm_mask { + MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0), + MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1), + MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2), + MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3), + MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4), + MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5), +}; + +struct iwl_dbgfs_pm { + u8 keep_alive_seconds; + u32 rx_data_timeout; + u32 tx_data_timeout; + bool skip_over_dtim; + u8 skip_dtim_periods; + bool disable_power_off; + int mask; +}; + +/* beacon filtering */ + +enum iwl_dbgfs_bf_mask { + MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0), + MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1), + MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2), + MVM_DEBUGFS_BF_TEMPERATURE_DELTA = BIT(3), + MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(4), + MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(5), + MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(6), + MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(7), + MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(8), +}; + +struct iwl_dbgfs_bf { + u8 bf_energy_delta; + u8 bf_roaming_energy_delta; + u8 bf_roaming_state; + u8 bf_temperature_delta; + u8 bf_enable_beacon_filter; + u8 bf_debug_flag; + u32 bf_escape_timer; + u32 ba_escape_timer; + u8 ba_enable_beacon_abort; + int mask; +}; +#endif + +enum iwl_mvm_smps_type_request { + IWL_MVM_SMPS_REQ_BT_COEX, + IWL_MVM_SMPS_REQ_TT, + NUM_IWL_MVM_SMPS_REQ, +}; + /** * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context * @id: between 0 and 3 @@ -163,6 +218,8 @@ enum iwl_power_scheme { * @bcast_sta: station used for broadcast packets. Used by the following * vifs: P2P_DEVICE, GO and AP. * @beacon_skb: the skb used to hold the AP/GO beacon template + * @smps_requests: the requests of of differents parts of the driver, regard + the desired smps mode. */ struct iwl_mvm_vif { u16 id; @@ -172,6 +229,8 @@ struct iwl_mvm_vif { bool uploaded; bool ap_active; bool monitor_active; + /* indicate whether beacon filtering is enabled */ + bool bf_enabled; u32 ap_beacon_time; @@ -214,7 +273,11 @@ struct iwl_mvm_vif { struct dentry *dbgfs_dir; struct dentry *dbgfs_slink; void *dbgfs_data; + struct iwl_dbgfs_pm dbgfs_pm; + struct iwl_dbgfs_bf dbgfs_bf; #endif + + enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ]; }; static inline struct iwl_mvm_vif * @@ -223,12 +286,6 @@ iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) return (void *)vif->drv_priv; } -enum iwl_mvm_status { - IWL_MVM_STATUS_HW_RFKILL, - IWL_MVM_STATUS_ROC_RUNNING, - IWL_MVM_STATUS_IN_HW_RESTART, -}; - enum iwl_scan_status { IWL_MVM_SCAN_NONE, IWL_MVM_SCAN_OS, @@ -246,6 +303,63 @@ struct iwl_nvm_section { const u8 *data; }; +/* + * Tx-backoff threshold + * @temperature: The threshold in Celsius + * @backoff: The tx-backoff in uSec + */ +struct iwl_tt_tx_backoff { + s32 temperature; + u32 backoff; +}; + +#define TT_TX_BACKOFF_SIZE 6 + +/** + * struct iwl_tt_params - thermal throttling parameters + * @ct_kill_entry: CT Kill entry threshold + * @ct_kill_exit: CT Kill exit threshold + * @ct_kill_duration: The time intervals (in uSec) in which the driver needs + * to checks whether to exit CT Kill. + * @dynamic_smps_entry: Dynamic SMPS entry threshold + * @dynamic_smps_exit: Dynamic SMPS exit threshold + * @tx_protection_entry: TX protection entry threshold + * @tx_protection_exit: TX protection exit threshold + * @tx_backoff: Array of thresholds for tx-backoff , in ascending order. + * @support_ct_kill: Support CT Kill? + * @support_dynamic_smps: Support dynamic SMPS? + * @support_tx_protection: Support tx protection? + * @support_tx_backoff: Support tx-backoff? + */ +struct iwl_tt_params { + s32 ct_kill_entry; + s32 ct_kill_exit; + u32 ct_kill_duration; + s32 dynamic_smps_entry; + s32 dynamic_smps_exit; + s32 tx_protection_entry; + s32 tx_protection_exit; + struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE]; + bool support_ct_kill; + bool support_dynamic_smps; + bool support_tx_protection; + bool support_tx_backoff; +}; + +/** + * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure + * @ct_kill_exit: worker to exit thermal kill + * @dynamic_smps: Is thermal throttling enabled dynamic_smps? + * @tx_backoff: The current thremal throttling tx backoff in uSec. + * @params: Parameters to configure the thermal throttling algorithm. + */ +struct iwl_mvm_tt_mgmt { + struct delayed_work ct_kill_exit; + bool dynamic_smps; + u32 tx_backoff; + const struct iwl_tt_params *params; +}; + struct iwl_mvm { /* for logger access */ struct device *dev; @@ -266,6 +380,12 @@ struct iwl_mvm { unsigned long status; + /* + * for beacon filtering - + * currently only one interface can be supported + */ + struct iwl_mvm_vif *bf_allowed_vif; + enum iwl_ucode_type cur_ucode; bool ucode_loaded; bool init_ucode_run; @@ -292,6 +412,7 @@ struct iwl_mvm { struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; struct work_struct sta_drained_wk; unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; + atomic_t pending_frames[IWL_MVM_STATION_COUNT]; /* configured by mac80211 */ u32 rts_threshold; @@ -312,7 +433,7 @@ struct iwl_mvm { bool prevent_power_down_d3; #endif - struct iwl_mvm_phy_ctxt phy_ctxt_roc; + struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; struct list_head time_event_list; spinlock_t time_event_lock; @@ -338,11 +459,19 @@ struct iwl_mvm { #ifdef CONFIG_PM_SLEEP struct wiphy_wowlan_support wowlan; int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; +#ifdef CONFIG_IWLWIFI_DEBUGFS + bool store_d3_resume_sram; + void *d3_resume_sram; +#endif #endif /* BT-Coex */ u8 bt_kill_msk; struct iwl_bt_coex_profile_notif last_bt_notif; + + /* Thermal Throttling and CTkill */ + struct iwl_mvm_tt_mgmt thermal_throttle; + s32 temperature; /* Celsius */ }; /* Extract MVM priv from op_mode and _hw */ @@ -352,6 +481,19 @@ struct iwl_mvm { #define IWL_MAC80211_GET_MVM(_hw) \ IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) +enum iwl_mvm_status { + IWL_MVM_STATUS_HW_RFKILL, + IWL_MVM_STATUS_HW_CTKILL, + IWL_MVM_STATUS_ROC_RUNNING, + IWL_MVM_STATUS_IN_HW_RESTART, +}; + +static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) +{ + return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || + test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); +} + extern const u8 iwl_mvm_ac_to_tx_fifo[]; struct iwl_rate_info { @@ -443,8 +585,10 @@ int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, struct cfg80211_chan_def *chandef, u8 chains_static, u8 chains_dynamic); -void iwl_mvm_phy_ctxt_remove(struct iwl_mvm *mvm, - struct iwl_mvm_phy_ctxt *ctxt); +void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, + struct iwl_mvm_phy_ctxt *ctxt); +void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, + struct iwl_mvm_phy_ctxt *ctxt); /* MAC (virtual interface) programming */ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -459,6 +603,9 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); +int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); /* Bindings */ int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -534,4 +681,36 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event rssi_event); void iwl_mvm_bt_coex_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +/* beacon filtering */ +#ifdef CONFIG_IWLWIFI_DEBUGFS +void +iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, + struct iwl_beacon_filter_cmd *cmd); +int iwl_mvm_dbgfs_set_fw_dbg_log(struct iwl_mvm *mvm); +#else +static inline void +iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, + struct iwl_beacon_filter_cmd *cmd) +{} +static inline int iwl_mvm_dbgfs_set_fw_dbg_log(struct iwl_mvm *mvm) +{ + return 0; +} +#endif +int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); + +/* SMPS */ +void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_smps_type_request req_type, + enum ieee80211_smps_mode smps_request); + +/* Thermal management and CT-kill */ +void iwl_mvm_tt_handler(struct iwl_mvm *mvm); +void iwl_mvm_tt_initialize(struct iwl_mvm *mvm); +void iwl_mvm_tt_exit(struct iwl_mvm *mvm); +void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); + #endif /* __IWL_MVM_H__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c index b8ec02f89acc..edb94ea31654 100644 --- a/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -60,6 +60,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ +#include <linux/firmware.h> #include "iwl-trans.h" #include "mvm.h" #include "iwl-eeprom-parse.h" @@ -75,31 +76,56 @@ static const int nvm_to_read[] = { }; /* Default NVM size to read */ -#define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024); +#define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024) +#define IWL_MAX_NVM_SECTION_SIZE 6000 -static inline void iwl_nvm_fill_read(struct iwl_nvm_access_cmd *cmd, - u16 offset, u16 length, u16 section) +#define NVM_WRITE_OPCODE 1 +#define NVM_READ_OPCODE 0 + +/* + * prepare the NVM host command w/ the pointers to the nvm buffer + * and send it to fw + */ +static int iwl_nvm_write_chunk(struct iwl_mvm *mvm, u16 section, + u16 offset, u16 length, const u8 *data) { - cmd->offset = cpu_to_le16(offset); - cmd->length = cpu_to_le16(length); - cmd->type = cpu_to_le16(section); + struct iwl_nvm_access_cmd nvm_access_cmd = { + .offset = cpu_to_le16(offset), + .length = cpu_to_le16(length), + .type = cpu_to_le16(section), + .op_code = NVM_WRITE_OPCODE, + }; + struct iwl_host_cmd cmd = { + .id = NVM_ACCESS_CMD, + .len = { sizeof(struct iwl_nvm_access_cmd), length }, + .flags = CMD_SYNC | CMD_SEND_IN_RFKILL, + .data = { &nvm_access_cmd, data }, + /* data may come from vmalloc, so use _DUP */ + .dataflags = { 0, IWL_HCMD_DFL_DUP }, + }; + + return iwl_mvm_send_cmd(mvm, &cmd); } static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, u16 offset, u16 length, u8 *data) { - struct iwl_nvm_access_cmd nvm_access_cmd = {}; + struct iwl_nvm_access_cmd nvm_access_cmd = { + .offset = cpu_to_le16(offset), + .length = cpu_to_le16(length), + .type = cpu_to_le16(section), + .op_code = NVM_READ_OPCODE, + }; struct iwl_nvm_access_resp *nvm_resp; struct iwl_rx_packet *pkt; struct iwl_host_cmd cmd = { .id = NVM_ACCESS_CMD, - .flags = CMD_SYNC | CMD_WANT_SKB, + .flags = CMD_SYNC | CMD_WANT_SKB | CMD_SEND_IN_RFKILL, .data = { &nvm_access_cmd, }, }; int ret, bytes_read, offset_read; u8 *resp_data; - iwl_nvm_fill_read(&nvm_access_cmd, offset, length, section); cmd.len[0] = sizeof(struct iwl_nvm_access_cmd); ret = iwl_mvm_send_cmd(mvm, &cmd); @@ -144,6 +170,30 @@ exit: return ret; } +static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section, + const u8 *data, u16 length) +{ + int offset = 0; + + /* copy data in chunks of 2k (and remainder if any) */ + + while (offset < length) { + int chunk_size, ret; + + chunk_size = min(IWL_NVM_DEFAULT_CHUNK_SIZE, + length - offset); + + ret = iwl_nvm_write_chunk(mvm, section, offset, + chunk_size, data + offset); + if (ret < 0) + return ret; + + offset += chunk_size; + } + + return 0; +} + /* * Reads an NVM section completely. * NICs prior to 7000 family doesn't have a real NVM, but just read @@ -177,7 +227,8 @@ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, offset += ret; } - IWL_INFO(mvm, "NVM section %d read completed\n", section); + IWL_DEBUG_EEPROM(mvm->trans->dev, + "NVM section %d read completed\n", section); return offset; } @@ -200,7 +251,130 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) hw = (const __le16 *)sections[NVM_SECTION_TYPE_HW].data; sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data; calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data; - return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib); + return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib, + iwl_fw_valid_tx_ant(mvm->fw), + iwl_fw_valid_rx_ant(mvm->fw)); +} + +#define MAX_NVM_FILE_LEN 16384 + +/* + * HOW TO CREATE THE NVM FILE FORMAT: + * ------------------------------ + * 1. create hex file, format: + * 3800 -> header + * 0000 -> header + * 5a40 -> data + * + * rev - 6 bit (word1) + * len - 10 bit (word1) + * id - 4 bit (word2) + * rsv - 12 bit (word2) + * + * 2. flip 8bits with 8 bits per line to get the right NVM file format + * + * 3. create binary file from the hex file + * + * 4. save as "iNVM_xxx.bin" under /lib/firmware + */ +static int iwl_mvm_load_external_nvm(struct iwl_mvm *mvm) +{ + int ret, section_id, section_size; + const struct firmware *fw_entry; + const struct { + __le16 word1; + __le16 word2; + u8 data[]; + } *file_sec; + const u8 *eof; + +#define NVM_WORD1_LEN(x) (8 * (x & 0x03FF)) +#define NVM_WORD2_ID(x) (x >> 12) + + /* + * Obtain NVM image via request_firmware. Since we already used + * request_firmware_nowait() for the firmware binary load and only + * get here after that we assume the NVM request can be satisfied + * synchronously. + */ + ret = request_firmware(&fw_entry, iwlwifi_mod_params.nvm_file, + mvm->trans->dev); + if (ret) { + IWL_ERR(mvm, "ERROR: %s isn't available %d\n", + iwlwifi_mod_params.nvm_file, ret); + return ret; + } + + IWL_INFO(mvm, "Loaded NVM file %s (%zu bytes)\n", + iwlwifi_mod_params.nvm_file, fw_entry->size); + + if (fw_entry->size < sizeof(*file_sec)) { + IWL_ERR(mvm, "NVM file too small\n"); + ret = -EINVAL; + goto out; + } + + if (fw_entry->size > MAX_NVM_FILE_LEN) { + IWL_ERR(mvm, "NVM file too large\n"); + ret = -EINVAL; + goto out; + } + + eof = fw_entry->data + fw_entry->size; + + file_sec = (void *)fw_entry->data; + + while (true) { + if (file_sec->data > eof) { + IWL_ERR(mvm, + "ERROR - NVM file too short for section header\n"); + ret = -EINVAL; + break; + } + + /* check for EOF marker */ + if (!file_sec->word1 && !file_sec->word2) { + ret = 0; + break; + } + + section_size = 2 * NVM_WORD1_LEN(le16_to_cpu(file_sec->word1)); + section_id = NVM_WORD2_ID(le16_to_cpu(file_sec->word2)); + + if (section_size > IWL_MAX_NVM_SECTION_SIZE) { + IWL_ERR(mvm, "ERROR - section too large (%d)\n", + section_size); + ret = -EINVAL; + break; + } + + if (!section_size) { + IWL_ERR(mvm, "ERROR - section empty\n"); + ret = -EINVAL; + break; + } + + if (file_sec->data + section_size > eof) { + IWL_ERR(mvm, + "ERROR - NVM file too short for section (%d bytes)\n", + section_size); + ret = -EINVAL; + break; + } + + ret = iwl_nvm_write_section(mvm, section_id, file_sec->data, + section_size); + if (ret < 0) { + IWL_ERR(mvm, "iwl_mvm_send_cmd failed: %d\n", ret); + break; + } + + /* advance to the next section */ + file_sec = (void *)(file_sec->data + section_size); + } +out: + release_firmware(fw_entry); + return ret; } int iwl_nvm_init(struct iwl_mvm *mvm) @@ -208,6 +382,17 @@ int iwl_nvm_init(struct iwl_mvm *mvm) int ret, i, section; u8 *nvm_buffer, *temp; + /* load external NVM if configured */ + if (iwlwifi_mod_params.nvm_file) { + /* move to External NVM flow */ + ret = iwl_mvm_load_external_nvm(mvm); + if (ret) + return ret; + } + + /* Read From FW NVM */ + IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n"); + /* TODO: find correct NVM max size for a section */ nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size, GFP_KERNEL); @@ -231,8 +416,9 @@ int iwl_nvm_init(struct iwl_mvm *mvm) if (ret < 0) return ret; - ret = 0; mvm->nvm_data = iwl_parse_nvm_sections(mvm); + if (!mvm->nvm_data) + return -ENODATA; - return ret; + return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index fe031d304d1e..d7a199b1cdef 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -222,10 +222,14 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true), RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, false), + RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true), RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false), RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false), + RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, + false), + RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false), }; #undef RX_HANDLER @@ -288,10 +292,14 @@ static const char *iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(NET_DETECT_HOTSPOTS_CMD), CMD(NET_DETECT_HOTSPOTS_QUERY_CMD), CMD(CARD_STATE_NOTIFICATION), + CMD(MISSED_BEACONS_NOTIFICATION), CMD(BT_COEX_PRIO_TABLE), CMD(BT_COEX_PROT_ENV), CMD(BT_PROFILE_NOTIFICATION), CMD(BT_CONFIG), + CMD(MCAST_FILTER_CMD), + CMD(REPLY_BEACON_FILTERING_CMD), + CMD(REPLY_THERMAL_MNG_BACKOFF), }; #undef CMD @@ -392,10 +400,13 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (err) goto out_free; + iwl_mvm_tt_initialize(mvm); + mutex_lock(&mvm->mutex); err = iwl_run_init_mvm_ucode(mvm, true); mutex_unlock(&mvm->mutex); - if (err && !iwlmvm_mod_params.init_dbg) { + /* returns 0 if successful, 1 if success but in rfkill */ + if (err < 0 && !iwlmvm_mod_params.init_dbg) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); goto out_free; } @@ -438,10 +449,16 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) iwl_mvm_leds_exit(mvm); + iwl_mvm_tt_exit(mvm); + ieee80211_unregister_hw(mvm->hw); kfree(mvm->scan_cmd); +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) + kfree(mvm->d3_resume_sram); +#endif + iwl_trans_stop_hw(mvm->trans, true); iwl_phy_db_free(mvm->phy_db); @@ -588,6 +605,16 @@ static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) ieee80211_wake_queue(mvm->hw, mq); } +void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) +{ + if (state) + set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); + else + clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); + + wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); +} + static void iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); @@ -597,7 +624,7 @@ static void iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) else clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); - wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state); + wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); } static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c index a28a1d1f23eb..1b4db25d53fb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c @@ -195,21 +195,6 @@ static int iwl_mvm_phy_ctxt_apply(struct iwl_mvm *mvm, return ret; } - -struct phy_ctx_used_data { - unsigned long used[BITS_TO_LONGS(NUM_PHY_CTX)]; -}; - -static void iwl_mvm_phy_ctx_used_iter(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *ctx, - void *_data) -{ - struct phy_ctx_used_data *data = _data; - struct iwl_mvm_phy_ctxt *phy_ctxt = (void *)ctx->drv_priv; - - __set_bit(phy_ctxt->id, data->used); -} - /* * Send a command to add a PHY context based on the current HW configuration. */ @@ -217,34 +202,27 @@ int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, struct cfg80211_chan_def *chandef, u8 chains_static, u8 chains_dynamic) { - struct phy_ctx_used_data data = { - .used = { }, - }; - - /* - * If this is a regular PHY context (not the ROC one) - * skip the ROC PHY context's ID. - */ - if (ctxt != &mvm->phy_ctxt_roc) - __set_bit(mvm->phy_ctxt_roc.id, data.used); + int ret; + WARN_ON(ctxt->ref); lockdep_assert_held(&mvm->mutex); - ctxt->color++; - if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { - ieee80211_iter_chan_contexts_atomic( - mvm->hw, iwl_mvm_phy_ctx_used_iter, &data); + ctxt->channel = chandef->chan; + ret = iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef, + chains_static, chains_dynamic, + FW_CTXT_ACTION_ADD, 0); - ctxt->id = find_first_zero_bit(data.used, NUM_PHY_CTX); - if (WARN_ONCE(ctxt->id == NUM_PHY_CTX, - "Failed to init PHY context - no free ID!\n")) - return -EIO; - } + return ret; +} - ctxt->channel = chandef->chan; - return iwl_mvm_phy_ctxt_apply(mvm, ctxt, chandef, - chains_static, chains_dynamic, - FW_CTXT_ACTION_ADD, 0); +/* + * Update the number of references to the given PHY context. This is valid only + * in case the PHY context was already created, i.e., its reference count > 0. + */ +void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) +{ + lockdep_assert_held(&mvm->mutex); + ctxt->ref++; } /* @@ -264,23 +242,12 @@ int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, FW_CTXT_ACTION_MODIFY, 0); } -/* - * Send a command to the FW to remove the given phy context. - * Once the command is sent, regardless of success or failure, the context is - * marked as invalid - */ -void iwl_mvm_phy_ctxt_remove(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) +void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) { - struct iwl_phy_context_cmd cmd; - int ret; - lockdep_assert_held(&mvm->mutex); - iwl_mvm_phy_ctxt_cmd_hdr(ctxt, &cmd, FW_CTXT_ACTION_REMOVE, 0); - ret = iwl_mvm_send_cmd_pdu(mvm, PHY_CONTEXT_CMD, CMD_SYNC, - sizeof(struct iwl_phy_context_cmd), - &cmd); - if (ret) - IWL_ERR(mvm, "Failed to send PHY remove: ctxt id=%d\n", - ctxt->id); + if (WARN_ON_ONCE(!ctxt)) + return; + + ctxt->ref--; } diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index ed77e437aac4..67cf24aa72f9 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -75,6 +75,54 @@ #define POWER_KEEP_ALIVE_PERIOD_SEC 25 +static int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, + struct iwl_beacon_filter_cmd *cmd) +{ + int ret; + + ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, CMD_SYNC, + sizeof(struct iwl_beacon_filter_cmd), cmd); + + if (!ret) { + IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n", + cmd->ba_enable_beacon_abort); + IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n", + cmd->ba_escape_timer); + IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n", + cmd->bf_debug_flag); + IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n", + cmd->bf_enable_beacon_filter); + IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n", + cmd->bf_energy_delta); + IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n", + cmd->bf_escape_timer); + IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n", + cmd->bf_roaming_energy_delta); + IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n", + cmd->bf_roaming_state); + IWL_DEBUG_POWER(mvm, "bf_temperature_delta is: %d\n", + cmd->bf_temperature_delta); + } + return ret; +} + +static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, bool enable) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_beacon_filter_cmd cmd = { + IWL_BF_CMD_CONFIG_DEFAULTS, + .bf_enable_beacon_filter = 1, + .ba_enable_beacon_abort = enable, + }; + + if (!mvmvif->bf_enabled) + return 0; + + iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); + return iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); +} + static void iwl_mvm_power_log(struct iwl_mvm *mvm, struct iwl_powertable_cmd *cmd) { @@ -91,6 +139,9 @@ static void iwl_mvm_power_log(struct iwl_mvm *mvm, le32_to_cpu(cmd->tx_data_timeout)); IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n", cmd->lprx_rssi_threshold); + if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) + IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n", + le32_to_cpu(cmd->skip_dtim_periods)); } } @@ -103,6 +154,8 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int dtimper, dtimper_msec; int keep_alive; bool radar_detect = false; + struct iwl_mvm_vif *mvmvif __maybe_unused = + iwl_mvm_vif_from_mac80211(vif); /* * Regardless of power management state the driver must set @@ -116,6 +169,11 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF && + mvmvif->dbgfs_pm.disable_power_off) + cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK); +#endif if (!vif->bss_conf.ps) return; @@ -135,8 +193,11 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /* Check skip over DTIM conditions */ if (!radar_detect && (dtimper <= 10) && - (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP)) + (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || + mvm->cur_ucode == IWL_UCODE_WOWLAN)) { cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + cmd->skip_dtim_periods = cpu_to_le32(3); + } /* Check that keep alive period is at least 3 * DTIM */ dtimper_msec = dtimper * vif->bss_conf.beacon_int; @@ -145,12 +206,41 @@ void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC); cmd->keep_alive_seconds = keep_alive; - cmd->rx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC); - cmd->tx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC); + if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { + cmd->rx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC); + cmd->tx_data_timeout = cpu_to_le32(100 * USEC_PER_MSEC); + } else { + cmd->rx_data_timeout = cpu_to_le32(10 * USEC_PER_MSEC); + cmd->tx_data_timeout = cpu_to_le32(10 * USEC_PER_MSEC); + } + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE) + cmd->keep_alive_seconds = mvmvif->dbgfs_pm.keep_alive_seconds; + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) { + if (mvmvif->dbgfs_pm.skip_over_dtim) + cmd->flags |= + cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + else + cmd->flags &= + cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK); + } + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT) + cmd->rx_data_timeout = + cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout); + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT) + cmd->tx_data_timeout = + cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout); + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS) + cmd->skip_dtim_periods = + cpu_to_le32(mvmvif->dbgfs_pm.skip_dtim_periods); +#endif /* CONFIG_IWLWIFI_DEBUGFS */ } int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { + int ret; + bool ba_enable; struct iwl_powertable_cmd cmd = {}; if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) @@ -159,13 +249,22 @@ int iwl_mvm_power_update_mode(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_power_build_cmd(mvm, vif, &cmd); iwl_mvm_power_log(mvm, &cmd); - return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC, - sizeof(cmd), &cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_SYNC, + sizeof(cmd), &cmd); + if (ret) + return ret; + + ba_enable = !!(cmd.flags & + cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)); + + return iwl_mvm_update_beacon_abort(mvm, vif, ba_enable); } int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_powertable_cmd cmd = {}; + struct iwl_mvm_vif *mvmvif __maybe_unused = + iwl_mvm_vif_from_mac80211(vif); if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; @@ -173,8 +272,82 @@ int iwl_mvm_power_disable(struct iwl_mvm *mvm, struct ieee80211_vif *vif) if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF && + mvmvif->dbgfs_pm.disable_power_off) + cmd.flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK); +#endif iwl_mvm_power_log(mvm, &cmd); return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, CMD_ASYNC, sizeof(cmd), &cmd); } + +#ifdef CONFIG_IWLWIFI_DEBUGFS +void +iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, + struct iwl_beacon_filter_cmd *cmd) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; + + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA) + cmd->bf_energy_delta = dbgfs_bf->bf_energy_delta; + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA) + cmd->bf_roaming_energy_delta = + dbgfs_bf->bf_roaming_energy_delta; + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE) + cmd->bf_roaming_state = dbgfs_bf->bf_roaming_state; + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMPERATURE_DELTA) + cmd->bf_temperature_delta = dbgfs_bf->bf_temperature_delta; + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG) + cmd->bf_debug_flag = dbgfs_bf->bf_debug_flag; + if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER) + cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer); + if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER) + cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer); + if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT) + cmd->ba_enable_beacon_abort = dbgfs_bf->ba_enable_beacon_abort; +} +#endif + +int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_beacon_filter_cmd cmd = { + IWL_BF_CMD_CONFIG_DEFAULTS, + .bf_enable_beacon_filter = 1, + }; + int ret; + + if (mvmvif != mvm->bf_allowed_vif || + vif->type != NL80211_IFTYPE_STATION || vif->p2p) + return 0; + + iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); + ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); + + if (!ret) + mvmvif->bf_enabled = true; + + return ret; +} + +int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_beacon_filter_cmd cmd = {}; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; + + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p) + return 0; + + ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd); + + if (!ret) + mvmvif->bf_enabled = false; + + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 55334d542e26..6a050c69e7d0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -3080,3 +3080,29 @@ void iwl_mvm_rate_control_unregister(void) { ieee80211_rate_control_unregister(&rs_mvm_ops); } + +/** + * iwl_mvm_tx_protection - Gets LQ command, change it to enable/disable + * Tx protection, according to this rquest and previous requests, + * and send the LQ command. + * @lq: The LQ command + * @mvmsta: The station + * @enable: Enable Tx protection? + */ +int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, + struct iwl_mvm_sta *mvmsta, bool enable) +{ + lockdep_assert_held(&mvm->mutex); + + if (enable) { + if (mvmsta->tx_protection == 0) + lq->flags |= LQ_FLAG_SET_STA_TLC_RTS_MSK; + mvmsta->tx_protection++; + } else { + mvmsta->tx_protection--; + if (mvmsta->tx_protection == 0) + lq->flags &= ~LQ_FLAG_SET_STA_TLC_RTS_MSK; + } + + return iwl_mvm_send_lq_cmd(mvm, lq, CMD_ASYNC, false); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index 219c6857cc0f..f66155a57238 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -390,4 +390,9 @@ extern int iwl_mvm_rate_control_register(void); */ extern void iwl_mvm_rate_control_unregister(void); +struct iwl_mvm_sta; + +int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, + struct iwl_mvm_sta *mvmsta, bool enable); + #endif /* __rs__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index 4dfc21a3e83e..e4930d5027d2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -363,3 +363,25 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, rxb, &rx_status); return 0; } + +/* + * iwl_mvm_rx_statistics - STATISTICS_NOTIFICATION handler + * + * TODO: This handler is implemented partially. + * It only gets the NIC's temperature. + */ +int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_notif_statistics *stats = (void *)&pkt->data; + struct mvm_statistics_general_common *common = &stats->general.common; + + if (mvm->temperature != le32_to_cpu(common->temperature)) { + mvm->temperature = le32_to_cpu(common->temperature); + iwl_mvm_tt_handler(mvm); + } + + return 0; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 0fd96e4da461..2278858d5658 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -64,6 +64,7 @@ #include "mvm.h" #include "sta.h" +#include "rs.h" static int iwl_mvm_find_free_sta_id(struct iwl_mvm *mvm) { @@ -217,9 +218,11 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, mvmvif->color); mvm_sta->vif = vif; mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + mvm_sta->tx_protection = 0; + mvm_sta->tt_tx_protection = false; /* HW restart, don't assume the memory has been zeroed */ - atomic_set(&mvm_sta->pending_frames, 0); + atomic_set(&mvm->pending_frames[sta_id], 0); mvm_sta->tid_disable_agg = 0; mvm_sta->tfd_queue_msk = 0; for (i = 0; i < IEEE80211_NUM_ACS; i++) @@ -407,14 +410,21 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, } /* + * Make sure that the tx response code sees the station as -EBUSY and + * calls the drain worker. + */ + spin_lock_bh(&mvm_sta->lock); + /* * There are frames pending on the AC queues for this station. * We need to wait until all the frames are drained... */ - if (atomic_read(&mvm_sta->pending_frames)) { - ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); + if (atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) { rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], ERR_PTR(-EBUSY)); + spin_unlock_bh(&mvm_sta->lock); + ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); } else { + spin_unlock_bh(&mvm_sta->lock); ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id); rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL); } @@ -791,21 +801,23 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif, min(mvmsta->max_agg_bufsize, buf_size); mvmsta->lq_sta.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize; + IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n", + sta->addr, tid); + if (mvm->cfg->ht_params->use_rts_for_aggregation) { /* * switch to RTS/CTS if it is the prefer protection * method for HT traffic + * this function also sends the LQ command */ - mvmsta->lq_sta.lq.flags |= LQ_FLAG_SET_STA_TLC_RTS_MSK; + return iwl_mvm_tx_protection(mvm, &mvmsta->lq_sta.lq, + mvmsta, true); /* * TODO: remove the TLC_RTS flag when we tear down the last * AGG session (agg_tids_count in DVM) */ } - IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n", - sta->addr, tid); - return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.lq, CMD_ASYNC, false); } diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 12abd2d71835..3efa0a0cc987 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -274,8 +274,9 @@ struct iwl_mvm_tid_data { * @bt_reduced_txpower: is reduced tx power enabled for this station * @lock: lock to protect the whole struct. Since %tid_data is access from Tx * and from Tx response flow, it needs a spinlock. - * @pending_frames: number of frames for this STA on the shared Tx queues. * @tid_data: per tid data. Look at %iwl_mvm_tid_data. + * @tx_protection: reference counter for controlling the Tx protection. + * @tt_tx_protection: is thermal throttling enable Tx protection? * * When mac80211 creates a station it reserves some space (hw->sta_data_size) * in the structure for use by driver. This structure is placed in that @@ -290,7 +291,6 @@ struct iwl_mvm_sta { u8 max_agg_bufsize; bool bt_reduced_txpower; spinlock_t lock; - atomic_t pending_frames; struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT]; struct iwl_lq_sta lq_sta; struct ieee80211_vif *vif; @@ -298,6 +298,10 @@ struct iwl_mvm_sta { #ifdef CONFIG_PM_SLEEP u16 last_seq_ctl; #endif + + /* Temporary, until the new TLC will control the Tx protection */ + s8 tx_protection; + bool tt_tx_protection; }; /** diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c new file mode 100644 index 000000000000..4665fc033c17 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/tt.c @@ -0,0 +1,509 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2013 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include "mvm.h" +#include "iwl-config.h" +#include "iwl-io.h" +#include "iwl-csr.h" +#include "iwl-prph.h" + +#define OTP_DTS_DIODE_DEVIATION 96 /*in words*/ +/* VBG - Voltage Band Gap error data (temperature offset) */ +#define OTP_WP_DTS_VBG (OTP_DTS_DIODE_DEVIATION + 2) +#define MEAS_VBG_MIN_VAL 2300 +#define MEAS_VBG_MAX_VAL 3000 +#define MEAS_VBG_DEFAULT_VAL 2700 +#define DTS_DIODE_VALID(flags) (flags & DTS_DIODE_REG_FLAGS_PASS_ONCE) +#define MIN_TEMPERATURE 0 +#define MAX_TEMPERATURE 125 +#define TEMPERATURE_ERROR (MAX_TEMPERATURE + 1) +#define PTAT_DIGITAL_VALUE_MIN_VALUE 0 +#define PTAT_DIGITAL_VALUE_MAX_VALUE 0xFF +#define DTS_VREFS_NUM 5 +static inline u32 DTS_DIODE_GET_VREFS_ID(u32 flags) +{ + return (flags & DTS_DIODE_REG_FLAGS_VREFS_ID) >> + DTS_DIODE_REG_FLAGS_VREFS_ID_POS; +} + +#define CALC_VREFS_MIN_DIFF 43 +#define CALC_VREFS_MAX_DIFF 51 +#define CALC_LUT_SIZE (1 + CALC_VREFS_MAX_DIFF - CALC_VREFS_MIN_DIFF) +#define CALC_LUT_INDEX_OFFSET CALC_VREFS_MIN_DIFF +#define CALC_TEMPERATURE_RESULT_SHIFT_OFFSET 23 + +/* + * @digital_value: The diode's digital-value sampled (temperature/voltage) + * @vref_low: The lower voltage-reference (the vref just below the diode's + * sampled digital-value) + * @vref_high: The higher voltage-reference (the vref just above the diode's + * sampled digital-value) + * @flags: bits[1:0]: The ID of the Vrefs pair (lowVref,highVref) + * bits[6:2]: Reserved. + * bits[7:7]: Indicates completion of at least 1 successful sample + * since last DTS reset. + */ +struct iwl_mvm_dts_diode_bits { + u8 digital_value; + u8 vref_low; + u8 vref_high; + u8 flags; +} __packed; + +union dts_diode_results { + u32 reg_value; + struct iwl_mvm_dts_diode_bits bits; +} __packed; + +static s16 iwl_mvm_dts_get_volt_band_gap(struct iwl_mvm *mvm) +{ + struct iwl_nvm_section calib_sec; + const __le16 *calib; + u16 vbg; + + /* TODO: move parsing to NVM code */ + calib_sec = mvm->nvm_sections[NVM_SECTION_TYPE_CALIBRATION]; + calib = (__le16 *)calib_sec.data; + + vbg = le16_to_cpu(calib[OTP_WP_DTS_VBG]); + + if (vbg < MEAS_VBG_MIN_VAL || vbg > MEAS_VBG_MAX_VAL) + vbg = MEAS_VBG_DEFAULT_VAL; + + return vbg; +} + +static u16 iwl_mvm_dts_get_ptat_deviation_offset(struct iwl_mvm *mvm) +{ + const u8 *calib; + u8 ptat, pa1, pa2, median; + + /* TODO: move parsing to NVM code */ + calib = mvm->nvm_sections[NVM_SECTION_TYPE_CALIBRATION].data; + ptat = calib[OTP_DTS_DIODE_DEVIATION]; + pa1 = calib[OTP_DTS_DIODE_DEVIATION + 1]; + pa2 = calib[OTP_DTS_DIODE_DEVIATION + 2]; + + /* get the median: */ + if (ptat > pa1) { + if (ptat > pa2) + median = (pa1 > pa2) ? pa1 : pa2; + else + median = ptat; + } else { + if (pa1 > pa2) + median = (ptat > pa2) ? ptat : pa2; + else + median = pa1; + } + + return ptat - median; +} + +static u8 iwl_mvm_dts_calibrate_ptat_deviation(struct iwl_mvm *mvm, u8 value) +{ + /* Calibrate the PTAT digital value, based on PTAT deviation data: */ + s16 new_val = value - iwl_mvm_dts_get_ptat_deviation_offset(mvm); + + if (new_val > PTAT_DIGITAL_VALUE_MAX_VALUE) + new_val = PTAT_DIGITAL_VALUE_MAX_VALUE; + else if (new_val < PTAT_DIGITAL_VALUE_MIN_VALUE) + new_val = PTAT_DIGITAL_VALUE_MIN_VALUE; + + return new_val; +} + +static bool dts_get_adjacent_vrefs(struct iwl_mvm *mvm, + union dts_diode_results *avg_ptat) +{ + u8 vrefs_results[DTS_VREFS_NUM]; + u8 low_vref_index = 0, flags; + u32 reg; + + reg = iwl_read_prph(mvm->trans, DTSC_VREF_AVG); + memcpy(vrefs_results, ®, sizeof(reg)); + reg = iwl_read_prph(mvm->trans, DTSC_VREF5_AVG); + vrefs_results[4] = reg & 0xff; + + if (avg_ptat->bits.digital_value < vrefs_results[0] || + avg_ptat->bits.digital_value > vrefs_results[4]) + return false; + + if (avg_ptat->bits.digital_value > vrefs_results[3]) + low_vref_index = 3; + else if (avg_ptat->bits.digital_value > vrefs_results[2]) + low_vref_index = 2; + else if (avg_ptat->bits.digital_value > vrefs_results[1]) + low_vref_index = 1; + + avg_ptat->bits.vref_low = vrefs_results[low_vref_index]; + avg_ptat->bits.vref_high = vrefs_results[low_vref_index + 1]; + flags = avg_ptat->bits.flags; + avg_ptat->bits.flags = + (flags & ~DTS_DIODE_REG_FLAGS_VREFS_ID) | + (low_vref_index & DTS_DIODE_REG_FLAGS_VREFS_ID); + return true; +} + +/* + * return true it the results are valid, and false otherwise. + */ +static bool dts_read_ptat_avg_results(struct iwl_mvm *mvm, + union dts_diode_results *avg_ptat) +{ + u32 reg; + u8 tmp; + + /* fill the diode value and pass_once with avg-reg results */ + reg = iwl_read_prph(mvm->trans, DTSC_PTAT_AVG); + reg &= DTS_DIODE_REG_DIG_VAL | DTS_DIODE_REG_PASS_ONCE; + avg_ptat->reg_value = reg; + + /* calibrate the PTAT digital value */ + tmp = avg_ptat->bits.digital_value; + tmp = iwl_mvm_dts_calibrate_ptat_deviation(mvm, tmp); + avg_ptat->bits.digital_value = tmp; + + /* + * fill vrefs fields, based on the avgVrefs results + * and the diode value + */ + return dts_get_adjacent_vrefs(mvm, avg_ptat) && + DTS_DIODE_VALID(avg_ptat->bits.flags); +} + +static s32 calculate_nic_temperature(union dts_diode_results avg_ptat, + u16 volt_band_gap) +{ + u32 tmp_result; + u8 vrefs_diff; + /* + * For temperature calculation (at the end, shift right by 23) + * LUT[(D2-D1)] = ROUND{ 2^23 / ((D2-D1)*9*10) } + * (D2-D1) == 43 44 45 46 47 48 49 50 51 + */ + static const u16 calc_lut[CALC_LUT_SIZE] = { + 2168, 2118, 2071, 2026, 1983, 1942, 1902, 1864, 1828, + }; + + /* + * The diff between the high and low voltage-references is assumed + * to be strictly be in range of [60,68] + */ + vrefs_diff = avg_ptat.bits.vref_high - avg_ptat.bits.vref_low; + + if (vrefs_diff < CALC_VREFS_MIN_DIFF || + vrefs_diff > CALC_VREFS_MAX_DIFF) + return TEMPERATURE_ERROR; + + /* calculate the result: */ + tmp_result = + vrefs_diff * (DTS_DIODE_GET_VREFS_ID(avg_ptat.bits.flags) + 9); + tmp_result += avg_ptat.bits.digital_value; + tmp_result -= avg_ptat.bits.vref_high; + + /* multiply by the LUT value (based on the diff) */ + tmp_result *= calc_lut[vrefs_diff - CALC_LUT_INDEX_OFFSET]; + + /* + * Get the BandGap (the voltage refereces source) error data + * (temperature offset) + */ + tmp_result *= volt_band_gap; + + /* + * here, tmp_result value can be up to 32-bits. We want to right-shift + * it *without* sign-extend. + */ + tmp_result = tmp_result >> CALC_TEMPERATURE_RESULT_SHIFT_OFFSET; + + /* + * at this point, tmp_result should be in the range: + * 200 <= tmp_result <= 365 + */ + return (s16)tmp_result - 240; +} + +static s32 check_nic_temperature(struct iwl_mvm *mvm) +{ + u16 volt_band_gap; + union dts_diode_results avg_ptat; + + volt_band_gap = iwl_mvm_dts_get_volt_band_gap(mvm); + + /* disable DTS */ + iwl_write_prph(mvm->trans, SHR_MISC_WFM_DTS_EN, 0); + + /* SV initialization */ + iwl_write_prph(mvm->trans, SHR_MISC_WFM_DTS_EN, 1); + iwl_write_prph(mvm->trans, DTSC_CFG_MODE, + DTSC_CFG_MODE_PERIODIC); + + /* wait for results */ + msleep(100); + if (!dts_read_ptat_avg_results(mvm, &avg_ptat)) + return TEMPERATURE_ERROR; + + /* disable DTS */ + iwl_write_prph(mvm->trans, SHR_MISC_WFM_DTS_EN, 0); + + return calculate_nic_temperature(avg_ptat, volt_band_gap); +} + +static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm) +{ + u32 duration = mvm->thermal_throttle.params->ct_kill_duration; + + IWL_ERR(mvm, "Enter CT Kill\n"); + iwl_mvm_set_hw_ctkill_state(mvm, true); + schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit, + round_jiffies_relative(duration * HZ)); +} + +static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm) +{ + IWL_ERR(mvm, "Exit CT Kill\n"); + iwl_mvm_set_hw_ctkill_state(mvm, false); +} + +static void check_exit_ctkill(struct work_struct *work) +{ + struct iwl_mvm_tt_mgmt *tt; + struct iwl_mvm *mvm; + u32 duration; + s32 temp; + + tt = container_of(work, struct iwl_mvm_tt_mgmt, ct_kill_exit.work); + mvm = container_of(tt, struct iwl_mvm, thermal_throttle); + + duration = tt->params->ct_kill_duration; + + iwl_trans_start_hw(mvm->trans); + temp = check_nic_temperature(mvm); + iwl_trans_stop_hw(mvm->trans, false); + + if (temp < MIN_TEMPERATURE || temp > MAX_TEMPERATURE) { + IWL_DEBUG_TEMP(mvm, "Failed to measure NIC temperature\n"); + goto reschedule; + } + IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp); + + if (temp <= tt->params->ct_kill_exit) { + iwl_mvm_exit_ctkill(mvm); + return; + } + +reschedule: + schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit, + round_jiffies(duration * HZ)); +} + +static void iwl_mvm_tt_smps_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = _data; + enum ieee80211_smps_mode smps_mode; + + lockdep_assert_held(&mvm->mutex); + + if (mvm->thermal_throttle.dynamic_smps) + smps_mode = IEEE80211_SMPS_DYNAMIC; + else + smps_mode = IEEE80211_SMPS_AUTOMATIC; + + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode); +} + +static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + int i, err; + + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (IS_ERR_OR_NULL(sta)) + continue; + mvmsta = (void *)sta->drv_priv; + if (enable == mvmsta->tt_tx_protection) + continue; + err = iwl_mvm_tx_protection(mvm, &mvmsta->lq_sta.lq, + mvmsta, enable); + if (err) { + IWL_ERR(mvm, "Failed to %s Tx protection\n", + enable ? "enable" : "disable"); + } else { + IWL_DEBUG_TEMP(mvm, "%s Tx protection\n", + enable ? "Enable" : "Disable"); + mvmsta->tt_tx_protection = enable; + } + } +} + +static void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff) +{ + struct iwl_host_cmd cmd = { + .id = REPLY_THERMAL_MNG_BACKOFF, + .len = { sizeof(u32), }, + .data = { &backoff, }, + .flags = CMD_SYNC, + }; + + if (iwl_mvm_send_cmd(mvm, &cmd) == 0) { + IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n", + backoff); + mvm->thermal_throttle.tx_backoff = backoff; + } else { + IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n"); + } +} + +void iwl_mvm_tt_handler(struct iwl_mvm *mvm) +{ + const struct iwl_tt_params *params = mvm->thermal_throttle.params; + struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; + s32 temperature = mvm->temperature; + int i; + u32 tx_backoff; + + IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature); + + if (params->support_ct_kill && temperature >= params->ct_kill_entry) { + iwl_mvm_enter_ctkill(mvm); + return; + } + + if (params->support_dynamic_smps) { + if (!tt->dynamic_smps && + temperature >= params->dynamic_smps_entry) { + IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n"); + tt->dynamic_smps = true; + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_tt_smps_iterator, mvm); + } else if (tt->dynamic_smps && + temperature <= params->dynamic_smps_exit) { + IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n"); + tt->dynamic_smps = false; + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_tt_smps_iterator, mvm); + } + } + + if (params->support_tx_protection) { + if (temperature >= params->tx_protection_entry) + iwl_mvm_tt_tx_protection(mvm, true); + else if (temperature <= params->tx_protection_exit) + iwl_mvm_tt_tx_protection(mvm, false); + } + + if (params->support_tx_backoff) { + tx_backoff = 0; + for (i = 0; i < TT_TX_BACKOFF_SIZE; i++) { + if (temperature < params->tx_backoff[i].temperature) + break; + tx_backoff = params->tx_backoff[i].backoff; + } + if (tt->tx_backoff != tx_backoff) + iwl_mvm_tt_tx_backoff(mvm, tx_backoff); + } +} + +static const struct iwl_tt_params iwl7000_tt_params = { + .ct_kill_entry = 118, + .ct_kill_exit = 96, + .ct_kill_duration = 5, + .dynamic_smps_entry = 114, + .dynamic_smps_exit = 110, + .tx_protection_entry = 114, + .tx_protection_exit = 108, + .tx_backoff = { + {.temperature = 112, .backoff = 200}, + {.temperature = 113, .backoff = 600}, + {.temperature = 114, .backoff = 1200}, + {.temperature = 115, .backoff = 2000}, + {.temperature = 116, .backoff = 4000}, + {.temperature = 117, .backoff = 10000}, + }, + .support_ct_kill = true, + .support_dynamic_smps = true, + .support_tx_protection = true, + .support_tx_backoff = true, +}; + +void iwl_mvm_tt_initialize(struct iwl_mvm *mvm) +{ + struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle; + + IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n"); + tt->params = &iwl7000_tt_params; + INIT_DELAYED_WORK(&tt->ct_kill_exit, check_exit_ctkill); +} + +void iwl_mvm_tt_exit(struct iwl_mvm *mvm) +{ + cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit); + IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n"); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 479074303bd7..f212f16502ff 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -416,9 +416,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, spin_unlock(&mvmsta->lock); - if (mvmsta->vif->type == NL80211_IFTYPE_AP && - txq_id < IWL_MVM_FIRST_AGG_QUEUE) - atomic_inc(&mvmsta->pending_frames); + if (txq_id < IWL_MVM_FIRST_AGG_QUEUE) + atomic_inc(&mvm->pending_frames[mvmsta->sta_id]); return 0; @@ -680,16 +679,41 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, /* * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... - * If there are no pending frames for this STA, notify mac80211 that - * this station can go to sleep in its STA table. */ - if (txq_id < IWL_MVM_FIRST_AGG_QUEUE && mvmsta && - !WARN_ON(skb_freed > 1) && - mvmsta->vif->type == NL80211_IFTYPE_AP && - atomic_sub_and_test(skb_freed, &mvmsta->pending_frames)) { - ieee80211_sta_block_awake(mvm->hw, sta, false); - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); + if (txq_id < IWL_MVM_FIRST_AGG_QUEUE && !WARN_ON(skb_freed > 1) && + atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { + if (mvmsta) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + */ + if (mvmsta->vif->type == NL80211_IFTYPE_AP) + ieee80211_sta_block_awake(mvm->hw, sta, false); + /* + * We might very well have taken mvmsta pointer while + * the station was being removed. The remove flow might + * have seen a pending_frame (because we didn't take + * the lock) even if now the queues are drained. So make + * really sure now that this the station is not being + * removed. If it is, run the drain worker to remove it. + */ + spin_lock_bh(&mvmsta->lock); + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + if (IS_ERR_OR_NULL(sta)) { + /* + * Station disappeared in the meantime: + * so we are draining. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } + spin_unlock_bh(&mvmsta->lock); + } else if (!mvmsta) { + /* Tx response without STA, so we are draining */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } } rcu_read_unlock(); diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 687b34e387ac..c9b44ab4af07 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -471,3 +471,34 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, return iwl_mvm_send_cmd(mvm, &cmd); } + +/** + * iwl_mvm_update_smps - Get a requst to change the SMPS mode + * @req_type: The part of the driver who call for a change. + * @smps_requests: The request to change the SMPS mode. + * + * Get a requst to change the SMPS mode, + * and change it according to all other requests in the driver. + */ +void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_smps_type_request req_type, + enum ieee80211_smps_mode smps_request) +{ + struct iwl_mvm_vif *mvmvif; + enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC; + int i; + + lockdep_assert_held(&mvm->mutex); + mvmvif = iwl_mvm_vif_from_mac80211(vif); + mvmvif->smps_requests[req_type] = smps_request; + for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { + if (mvmvif->smps_requests[i] == IEEE80211_SMPS_STATIC) { + smps_mode = IEEE80211_SMPS_STATIC; + break; + } + if (mvmvif->smps_requests[i] == IEEE80211_SMPS_DYNAMIC) + smps_mode = IEEE80211_SMPS_DYNAMIC; + } + + ieee80211_request_smps(vif, smps_mode); +} diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 8cb53ec2b77b..db7bdd35a9c5 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -256,10 +256,54 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 7000 Series */ {IWL_PCI_DEVICE(0x08B1, 0x4070, iwl7260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x08B1, 0x4062, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4170, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4060, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4160, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4062, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4162, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0x4270, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0x4260, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0x4262, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4470, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4460, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4462, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4870, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x486E, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4A70, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4A6E, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4A6C, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4020, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0x4220, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0x4420, iwl7260_2n_cfg)}, {IWL_PCI_DEVICE(0x08B1, 0xC070, iwl7260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x08B3, 0x0070, iwl3160_ac_cfg)}, - {IWL_PCI_DEVICE(0x08B3, 0x8070, iwl3160_ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC170, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC060, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC160, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC062, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC162, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0xC270, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0xC260, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0xC262, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC470, iwl7260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC460, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC462, iwl7260_n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC020, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B2, 0xC220, iwl7260_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B1, 0xC420, iwl7260_2n_cfg)}, + +/* 3160 Series */ + {IWL_PCI_DEVICE(0x08B3, 0x0070, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x0170, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x0060, iwl3160_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x0062, iwl3160_n_cfg)}, + {IWL_PCI_DEVICE(0x08B4, 0x0270, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x0470, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8070, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8170, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8060, iwl3160_2n_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8062, iwl3160_n_cfg)}, + {IWL_PCI_DEVICE(0x08B4, 0x8270, iwl3160_2ac_cfg)}, + {IWL_PCI_DEVICE(0x08B3, 0x8470, iwl3160_2ac_cfg)}, {0} }; diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 50ba0a468f94..0b021305eedf 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -405,20 +405,27 @@ static int iwl_pcie_load_section(struct iwl_trans *trans, u8 section_num, { u8 *v_addr; dma_addr_t p_addr; - u32 offset; + u32 offset, chunk_sz = section->len; int ret = 0; IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n", section_num); - v_addr = dma_alloc_coherent(trans->dev, PAGE_SIZE, &p_addr, GFP_KERNEL); - if (!v_addr) - return -ENOMEM; + v_addr = dma_alloc_coherent(trans->dev, chunk_sz, &p_addr, + GFP_KERNEL | __GFP_NOWARN); + if (!v_addr) { + IWL_DEBUG_INFO(trans, "Falling back to small chunks of DMA\n"); + chunk_sz = PAGE_SIZE; + v_addr = dma_alloc_coherent(trans->dev, chunk_sz, + &p_addr, GFP_KERNEL); + if (!v_addr) + return -ENOMEM; + } - for (offset = 0; offset < section->len; offset += PAGE_SIZE) { + for (offset = 0; offset < section->len; offset += chunk_sz) { u32 copy_size; - copy_size = min_t(u32, PAGE_SIZE, section->len - offset); + copy_size = min_t(u32, chunk_sz, section->len - offset); memcpy(v_addr, (u8 *)section->data + offset, copy_size); ret = iwl_pcie_load_firmware_chunk(trans, @@ -432,7 +439,7 @@ static int iwl_pcie_load_section(struct iwl_trans *trans, u8 section_num, } } - dma_free_coherent(trans->dev, PAGE_SIZE, v_addr, p_addr); + dma_free_coherent(trans->dev, chunk_sz, v_addr, p_addr); return ret; } @@ -573,10 +580,6 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans) { - /* let the ucode operate on its own */ - iwl_write32(trans, CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); - iwl_disable_interrupts(trans); iwl_pcie_disable_ict(trans); @@ -636,9 +639,6 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return ret; } - iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); - *status = IWL_D3_STATUS_ALIVE; return 0; } @@ -917,11 +917,11 @@ static int iwl_trans_pcie_read_mem(struct iwl_trans *trans, u32 addr, } static int iwl_trans_pcie_write_mem(struct iwl_trans *trans, u32 addr, - void *buf, int dwords) + const void *buf, int dwords) { unsigned long flags; int offs, ret = 0; - u32 *vals = buf; + const u32 *vals = buf; if (iwl_trans_grab_nic_access(trans, false, &flags)) { iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr); diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 2878ee99a668..a35c6aefbc3e 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1045,6 +1045,10 @@ static inline void iwl_pcie_txq_set_inactive(struct iwl_trans *trans, (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); } +/* Receiver address (actually, Rx station's index into station table), + * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */ +#define BUILD_RAxTID(sta_id, tid) (((sta_id) << 4) + (tid)) + void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo, int sta_id, int tid, int frame_limit, u16 ssn) { @@ -1518,6 +1522,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, if (test_bit(STATUS_FW_ERROR, &trans_pcie->status)) { IWL_ERR(trans, "FW error in SYNC CMD %s\n", get_cmd_string(trans_pcie, cmd->id)); + dump_stack(); ret = -EIO; goto cancel; } @@ -1564,7 +1569,8 @@ int iwl_trans_pcie_send_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (test_bit(STATUS_FW_ERROR, &trans_pcie->status)) return -EIO; - if (test_bit(STATUS_RFKILL, &trans_pcie->status)) { + if (!(cmd->flags & CMD_SEND_IN_RFKILL) && + test_bit(STATUS_RFKILL, &trans_pcie->status)) { IWL_DEBUG_RF_KILL(trans, "Dropping CMD 0x%x: RF KILL\n", cmd->id); return -ERFKILL; diff --git a/drivers/net/wireless/mwifiex/Kconfig b/drivers/net/wireless/mwifiex/Kconfig index 4f614aad9ded..f7ff4725506a 100644 --- a/drivers/net/wireless/mwifiex/Kconfig +++ b/drivers/net/wireless/mwifiex/Kconfig @@ -3,13 +3,13 @@ config MWIFIEX depends on CFG80211 ---help--- This adds support for wireless adapters based on Marvell - 802.11n chipsets. + 802.11n/ac chipsets. If you choose to build it as a module, it will be called mwifiex. config MWIFIEX_SDIO - tristate "Marvell WiFi-Ex Driver for SD8786/SD8787/SD8797" + tristate "Marvell WiFi-Ex Driver for SD8786/SD8787/SD8797/SD8897" depends on MWIFIEX && MMC select FW_LOADER ---help--- diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 60077895adff..856aea25052b 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1231,6 +1231,51 @@ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, return 0; } +/* cfg80211 operation handler for del_station. + * Function deauthenticates station which value is provided in mac parameter. + * If mac is NULL/broadcast, all stations in associated station list are + * deauthenticated. If bss is not started or there are no stations in + * associated stations list, no action is taken. + */ +static int +mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + struct mwifiex_sta_node *sta_node; + unsigned long flags; + + if (list_empty(&priv->sta_list) || !priv->bss_started) + return 0; + + if (!mac || is_broadcast_ether_addr(mac)) { + wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__); + list_for_each_entry(sta_node, &priv->sta_list, list) { + if (mwifiex_send_cmd_sync(priv, + HostCmd_CMD_UAP_STA_DEAUTH, + HostCmd_ACT_GEN_SET, 0, + sta_node->mac_addr)) + return -1; + mwifiex_uap_del_sta_data(priv, sta_node); + } + } else { + wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac); + spin_lock_irqsave(&priv->sta_list_spinlock, flags); + sta_node = mwifiex_get_sta_entry(priv, mac); + spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); + if (sta_node) { + if (mwifiex_send_cmd_sync(priv, + HostCmd_CMD_UAP_STA_DEAUTH, + HostCmd_ACT_GEN_SET, 0, + sta_node->mac_addr)) + return -1; + mwifiex_uap_del_sta_data(priv, sta_node); + } + } + + return 0; +} + static int mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) { @@ -1859,6 +1904,7 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, int i, offset, ret; struct ieee80211_channel *chan; struct ieee_types_header *ie; + struct mwifiex_user_scan_cfg *user_scan_cfg; wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); @@ -1869,20 +1915,22 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, return -EBUSY; } - if (priv->user_scan_cfg) { + /* Block scan request if scan operation or scan cleanup when interface + * is disabled is in process + */ + if (priv->scan_request || priv->scan_aborting) { dev_err(priv->adapter->dev, "cmd: Scan already in process..\n"); return -EBUSY; } - priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), - GFP_KERNEL); - if (!priv->user_scan_cfg) + user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); + if (!user_scan_cfg) return -ENOMEM; priv->scan_request = request; - priv->user_scan_cfg->num_ssids = request->n_ssids; - priv->user_scan_cfg->ssid_list = request->ssids; + user_scan_cfg->num_ssids = request->n_ssids; + user_scan_cfg->ssid_list = request->ssids; if (request->ie && request->ie_len) { offset = 0; @@ -1902,25 +1950,25 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, for (i = 0; i < min_t(u32, request->n_channels, MWIFIEX_USER_SCAN_CHAN_MAX); i++) { chan = request->channels[i]; - priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; - priv->user_scan_cfg->chan_list[i].radio_type = chan->band; + user_scan_cfg->chan_list[i].chan_number = chan->hw_value; + user_scan_cfg->chan_list[i].radio_type = chan->band; if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) - priv->user_scan_cfg->chan_list[i].scan_type = + user_scan_cfg->chan_list[i].scan_type = MWIFIEX_SCAN_TYPE_PASSIVE; else - priv->user_scan_cfg->chan_list[i].scan_type = + user_scan_cfg->chan_list[i].scan_type = MWIFIEX_SCAN_TYPE_ACTIVE; - priv->user_scan_cfg->chan_list[i].scan_time = 0; + user_scan_cfg->chan_list[i].scan_time = 0; } - ret = mwifiex_scan_networks(priv, priv->user_scan_cfg); + ret = mwifiex_scan_networks(priv, user_scan_cfg); + kfree(user_scan_cfg); if (ret) { dev_err(priv->adapter->dev, "scan failed: %d\n", ret); + priv->scan_aborting = false; priv->scan_request = NULL; - kfree(priv->user_scan_cfg); - priv->user_scan_cfg = NULL; return ret; } @@ -2419,6 +2467,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .change_beacon = mwifiex_cfg80211_change_beacon, .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, .set_antenna = mwifiex_cfg80211_set_antenna, + .del_station = mwifiex_cfg80211_del_station, #ifdef CONFIG_PM .suspend = mwifiex_cfg80211_suspend, .resume = mwifiex_cfg80211_resume, diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 26755d9acb55..2d761477d15e 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -570,6 +570,7 @@ int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, case HostCmd_CMD_UAP_SYS_CONFIG: case HostCmd_CMD_UAP_BSS_START: case HostCmd_CMD_UAP_BSS_STOP: + case HostCmd_CMD_UAP_STA_DEAUTH: ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action, cmd_oid, data_buf, cmd_ptr); diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 1f7578d553ec..d6ada7354c14 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -271,6 +271,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define HostCmd_CMD_802_11_SUBSCRIBE_EVENT 0x0075 #define HostCmd_CMD_802_11_TX_RATE_QUERY 0x007f #define HostCmd_CMD_802_11_IBSS_COALESCING_STATUS 0x0083 +#define HostCmd_CMD_CFG_DATA 0x008f #define HostCmd_CMD_VERSION_EXT 0x0097 #define HostCmd_CMD_MEF_CFG 0x009a #define HostCmd_CMD_RSSI_INFO 0x00a4 @@ -279,6 +280,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define HostCmd_CMD_UAP_SYS_CONFIG 0x00b0 #define HostCmd_CMD_UAP_BSS_START 0x00b1 #define HostCmd_CMD_UAP_BSS_STOP 0x00b2 +#define HostCmd_CMD_UAP_STA_DEAUTH 0x00b5 #define HostCmd_CMD_11N_CFG 0x00cd #define HostCmd_CMD_11N_ADDBA_REQ 0x00ce #define HostCmd_CMD_11N_ADDBA_RSP 0x00cf @@ -464,6 +466,8 @@ enum P2P_MODES { #define MWIFIEX_CRITERIA_UNICAST BIT(1) #define MWIFIEX_CRITERIA_MULTICAST BIT(3) +#define CFG_DATA_TYPE_CAL 2 + struct mwifiex_ie_types_header { __le16 type; __le16 len; @@ -1197,6 +1201,11 @@ struct host_cmd_ds_amsdu_aggr_ctrl { __le16 curr_buf_size; } __packed; +struct host_cmd_ds_sta_deauth { + u8 mac[ETH_ALEN]; + __le16 reason; +} __packed; + struct mwifiex_ie_types_wmm_param_set { struct mwifiex_ie_types_header header; u8 wmm_ie[1]; @@ -1573,6 +1582,12 @@ struct mwifiex_ie_list { struct mwifiex_ie ie_list[MAX_MGMT_IE_INDEX]; } __packed; +struct host_cmd_ds_802_11_cfg_data { + __le16 action; + __le16 type; + __le16 data_len; +} __packed; + struct host_cmd_ds_command { __le16 command; __le16 size; @@ -1630,7 +1645,9 @@ struct host_cmd_ds_command { struct host_cmd_ds_802_11_eeprom_access eeprom; struct host_cmd_ds_802_11_subsc_evt subsc_evt; struct host_cmd_ds_sys_config uap_sys_config; + struct host_cmd_ds_sta_deauth sta_deauth; struct host_cmd_11ac_vht_cfg vht_cfg; + struct host_cmd_ds_802_11_cfg_data cfg_data; } params; } __packed; diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index 9f44fda19db9..c7f11c0c3bb7 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -59,6 +59,9 @@ static void scan_delay_timer_fn(unsigned long data) struct cmd_ctrl_node *cmd_node, *tmp_node; unsigned long flags; + if (adapter->surprise_removed) + return; + if (adapter->scan_delay_cnt == MWIFIEX_MAX_SCAN_DELAY_CNT) { /* * Abort scan operation by cancelling all pending scan @@ -78,19 +81,13 @@ static void scan_delay_timer_fn(unsigned long data) adapter->empty_tx_q_cnt = 0; spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); - if (priv->user_scan_cfg) { - if (priv->scan_request) { - dev_dbg(priv->adapter->dev, - "info: aborting scan\n"); - cfg80211_scan_done(priv->scan_request, 1); - priv->scan_request = NULL; - } else { - dev_dbg(priv->adapter->dev, - "info: scan already aborted\n"); - } - - kfree(priv->user_scan_cfg); - priv->user_scan_cfg = NULL; + if (priv->scan_request) { + dev_dbg(adapter->dev, "info: aborting scan\n"); + cfg80211_scan_done(priv->scan_request, 1); + priv->scan_request = NULL; + } else { + priv->scan_aborting = false; + dev_dbg(adapter->dev, "info: scan already aborted\n"); } goto done; } @@ -447,23 +444,29 @@ static void mwifiex_free_lock_list(struct mwifiex_adapter *adapter) } /* - * This function frees the adapter structure. + * This function performs cleanup for adapter structure. * - * The freeing operation is done recursively, by canceling all - * pending commands, freeing the member buffers previously - * allocated (command buffers, scan table buffer, sleep confirm - * command buffer), stopping the timers and calling the cleanup - * routines for every interface, before the actual adapter - * structure is freed. + * The cleanup is done recursively, by canceling all pending + * commands, freeing the member buffers previously allocated + * (command buffers, scan table buffer, sleep confirm command + * buffer), stopping the timers and calling the cleanup routines + * for every interface. */ static void -mwifiex_free_adapter(struct mwifiex_adapter *adapter) +mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) { + int i; + if (!adapter) { pr_err("%s: adapter is NULL\n", __func__); return; } + for (i = 0; i < adapter->priv_num; i++) { + if (adapter->priv[i]) + del_timer_sync(&adapter->priv[i]->scan_delay_timer); + } + mwifiex_cancel_all_pending_cmd(adapter); /* Free lock variables */ @@ -684,7 +687,6 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) int ret = -EINPROGRESS; struct mwifiex_private *priv; s32 i; - unsigned long flags; struct sk_buff *skb; /* mwifiex already shutdown */ @@ -719,7 +721,7 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) } } - spin_lock_irqsave(&adapter->mwifiex_lock, flags); + spin_lock(&adapter->mwifiex_lock); if (adapter->if_ops.data_complete) { while ((skb = skb_dequeue(&adapter->usb_rx_data_q))) { @@ -733,10 +735,9 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter) } } - /* Free adapter structure */ - mwifiex_free_adapter(adapter); + mwifiex_adapter_cleanup(adapter); - spin_unlock_irqrestore(&adapter->mwifiex_lock, flags); + spin_unlock(&adapter->mwifiex_lock); /* Notify completion */ ret = mwifiex_shutdown_fw_complete(adapter); diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 6bcb66e6e97c..122175af18c6 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -919,9 +919,8 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, memcpy(&priv->curr_bss_params.data_rates, &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates); - dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n", - adhoc_start->data_rate[0], adhoc_start->data_rate[1], - adhoc_start->data_rate[2], adhoc_start->data_rate[3]); + dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n", + adhoc_start->data_rate); dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n"); diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 2eb88ea9acf7..5bc7ef8d04d6 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -25,6 +25,8 @@ #define VERSION "1.0" const char driver_version[] = "mwifiex " VERSION " (%s) "; +static char *cal_data_cfg; +module_param(cal_data_cfg, charp, 0); /* * This function registers the device and performs all the necessary @@ -336,6 +338,13 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) dev_notice(adapter->dev, "WLAN FW is active\n"); + if (cal_data_cfg) { + if ((request_firmware(&adapter->cal_data, cal_data_cfg, + adapter->dev)) < 0) + dev_err(adapter->dev, + "Cal data request_firmware() failed\n"); + } + adapter->init_wait_q_woken = false; ret = mwifiex_init_fw(adapter); if (ret == -1) { @@ -390,6 +399,10 @@ err_init_fw: pr_debug("info: %s: unregister device\n", __func__); adapter->if_ops.unregister_dev(adapter); done: + if (adapter->cal_data) { + release_firmware(adapter->cal_data); + adapter->cal_data = NULL; + } release_firmware(adapter->firmware); complete(&adapter->fw_load); return; @@ -436,6 +449,7 @@ mwifiex_close(struct net_device *dev) dev_dbg(priv->adapter->dev, "aborting scan on ndo_stop\n"); cfg80211_scan_done(priv->scan_request, 1); priv->scan_request = NULL; + priv->scan_aborting = true; } return 0; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 4ef67fca06d3..0832c2437daf 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -492,7 +492,6 @@ struct mwifiex_private { struct semaphore async_sem; u8 report_scan_result; struct cfg80211_scan_request *scan_request; - struct mwifiex_user_scan_cfg *user_scan_cfg; u8 cfg_bssid[6]; struct wps wps; u8 scan_block; @@ -510,6 +509,7 @@ struct mwifiex_private { u8 ap_11ac_enabled; u32 mgmt_frame_mask; struct mwifiex_roc_cfg roc_cfg; + bool scan_aborting; }; enum mwifiex_ba_status { @@ -730,6 +730,7 @@ struct mwifiex_adapter { u16 max_mgmt_ie_index; u8 scan_delay_cnt; u8 empty_tx_q_cnt; + const struct firmware *cal_data; /* 11AC */ u32 is_hw_11ac_capable; @@ -1115,6 +1116,8 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, struct cfg80211_beacon_data *data); int mwifiex_del_mgmt_ies(struct mwifiex_private *priv); u8 *mwifiex_11d_code_2_region(u8 code); +void mwifiex_uap_del_sta_data(struct mwifiex_private *priv, + struct mwifiex_sta_node *node); extern const struct ethtool_ops mwifiex_ethtool_ops; diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 9cf5d8f07df8..801b6b728379 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1784,22 +1784,17 @@ check_next_scan: if (priv->report_scan_result) priv->report_scan_result = false; - if (priv->user_scan_cfg) { - if (priv->scan_request) { - dev_dbg(priv->adapter->dev, - "info: notifying scan done\n"); - cfg80211_scan_done(priv->scan_request, 0); - priv->scan_request = NULL; - } else { - dev_dbg(priv->adapter->dev, - "info: scan already aborted\n"); - } - - kfree(priv->user_scan_cfg); - priv->user_scan_cfg = NULL; + if (priv->scan_request) { + dev_dbg(adapter->dev, "info: notifying scan done\n"); + cfg80211_scan_done(priv->scan_request, 0); + priv->scan_request = NULL; + } else { + priv->scan_aborting = false; + dev_dbg(adapter->dev, "info: scan already aborted\n"); } } else { - if (priv->user_scan_cfg && !priv->scan_request) { + if ((priv->scan_aborting && !priv->scan_request) || + priv->scan_block) { spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); adapter->scan_delay_cnt = MWIFIEX_MAX_SCAN_DELAY_CNT; diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 363ba31b58bf..5ee5ed02eccd 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -77,6 +77,17 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; + if (id->driver_data) { + struct mwifiex_sdio_device *data = (void *)id->driver_data; + + card->firmware = data->firmware; + card->reg = data->reg; + card->max_ports = data->max_ports; + card->mp_agg_pkt_limit = data->mp_agg_pkt_limit; + card->supports_sdio_new_mode = data->supports_sdio_new_mode; + card->has_control_mask = data->has_control_mask; + } + sdio_claim_host(func); ret = sdio_enable_func(func); sdio_release_host(func); @@ -251,12 +262,19 @@ static int mwifiex_sdio_resume(struct device *dev) #define SDIO_DEVICE_ID_MARVELL_8787 (0x9119) /* Device ID for SD8797 */ #define SDIO_DEVICE_ID_MARVELL_8797 (0x9129) +/* Device ID for SD8897 */ +#define SDIO_DEVICE_ID_MARVELL_8897 (0x912d) /* WLAN IDs */ static const struct sdio_device_id mwifiex_ids[] = { - {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786)}, - {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787)}, - {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797)}, + {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786), + .driver_data = (unsigned long) &mwifiex_sdio_sd8786}, + {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787), + .driver_data = (unsigned long) &mwifiex_sdio_sd8787}, + {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797), + .driver_data = (unsigned long) &mwifiex_sdio_sd8797}, + {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897), + .driver_data = (unsigned long) &mwifiex_sdio_sd8897}, {}, }; @@ -282,13 +300,13 @@ static struct sdio_driver mwifiex_sdio = { * This function writes data into SDIO card register. */ static int -mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u32 data) +mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data) { struct sdio_mmc_card *card = adapter->card; int ret = -1; sdio_claim_host(card->func); - sdio_writeb(card->func, (u8) data, reg, &ret); + sdio_writeb(card->func, data, reg, &ret); sdio_release_host(card->func); return ret; @@ -298,7 +316,7 @@ mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u32 data) * This function reads data from SDIO card register. */ static int -mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u32 *data) +mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u8 *data) { struct sdio_mmc_card *card = adapter->card; int ret = -1; @@ -400,7 +418,40 @@ static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter) } /* - * This function initializes the IO ports. + * This function is used to initialize IO ports for the + * chipsets supporting SDIO new mode eg SD8897. + */ +static int mwifiex_init_sdio_new_mode(struct mwifiex_adapter *adapter) +{ + u8 reg; + + adapter->ioport = MEM_PORT; + + /* enable sdio new mode */ + if (mwifiex_read_reg(adapter, CARD_CONFIG_2_1_REG, ®)) + return -1; + if (mwifiex_write_reg(adapter, CARD_CONFIG_2_1_REG, + reg | CMD53_NEW_MODE)) + return -1; + + /* Configure cmd port and enable reading rx length from the register */ + if (mwifiex_read_reg(adapter, CMD_CONFIG_0, ®)) + return -1; + if (mwifiex_write_reg(adapter, CMD_CONFIG_0, reg | CMD_PORT_RD_LEN_EN)) + return -1; + + /* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is + * completed + */ + if (mwifiex_read_reg(adapter, CMD_CONFIG_1, ®)) + return -1; + if (mwifiex_write_reg(adapter, CMD_CONFIG_1, reg | CMD_PORT_AUTO_EN)) + return -1; + + return 0; +} + +/* This function initializes the IO ports. * * The following operations are performed - * - Read the IO ports (0, 1 and 2) @@ -409,10 +460,17 @@ static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter) */ static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter) { - u32 reg; + u8 reg; + struct sdio_mmc_card *card = adapter->card; adapter->ioport = 0; + if (card->supports_sdio_new_mode) { + if (mwifiex_init_sdio_new_mode(adapter)) + return -1; + goto cont; + } + /* Read the IO port */ if (!mwifiex_read_reg(adapter, IO_PORT_0_REG, ®)) adapter->ioport |= (reg & 0xff); @@ -428,19 +486,19 @@ static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter) adapter->ioport |= ((reg & 0xff) << 16); else return -1; - +cont: pr_debug("info: SDIO FUNC1 IO port: %#x\n", adapter->ioport); /* Set Host interrupt reset to read to clear */ if (!mwifiex_read_reg(adapter, HOST_INT_RSR_REG, ®)) mwifiex_write_reg(adapter, HOST_INT_RSR_REG, - reg | SDIO_INT_MASK); + reg | card->reg->sdio_int_mask); else return -1; /* Dnld/Upld ready set to auto reset */ - if (!mwifiex_read_reg(adapter, CARD_MISC_CFG_REG, ®)) - mwifiex_write_reg(adapter, CARD_MISC_CFG_REG, + if (!mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, ®)) + mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg, reg | AUTO_RE_ENABLE_INT); else return -1; @@ -486,34 +544,42 @@ static int mwifiex_write_data_to_card(struct mwifiex_adapter *adapter, static int mwifiex_get_rd_port(struct mwifiex_adapter *adapter, u8 *port) { struct sdio_mmc_card *card = adapter->card; - u16 rd_bitmap = card->mp_rd_bitmap; + const struct mwifiex_sdio_card_reg *reg = card->reg; + u32 rd_bitmap = card->mp_rd_bitmap; - dev_dbg(adapter->dev, "data: mp_rd_bitmap=0x%04x\n", rd_bitmap); + dev_dbg(adapter->dev, "data: mp_rd_bitmap=0x%08x\n", rd_bitmap); - if (!(rd_bitmap & (CTRL_PORT_MASK | DATA_PORT_MASK))) - return -1; + if (card->supports_sdio_new_mode) { + if (!(rd_bitmap & reg->data_port_mask)) + return -1; + } else { + if (!(rd_bitmap & (CTRL_PORT_MASK | reg->data_port_mask))) + return -1; + } - if (card->mp_rd_bitmap & CTRL_PORT_MASK) { - card->mp_rd_bitmap &= (u16) (~CTRL_PORT_MASK); + if ((card->has_control_mask) && + (card->mp_rd_bitmap & CTRL_PORT_MASK)) { + card->mp_rd_bitmap &= (u32) (~CTRL_PORT_MASK); *port = CTRL_PORT; - dev_dbg(adapter->dev, "data: port=%d mp_rd_bitmap=0x%04x\n", + dev_dbg(adapter->dev, "data: port=%d mp_rd_bitmap=0x%08x\n", *port, card->mp_rd_bitmap); - } else { - if (card->mp_rd_bitmap & (1 << card->curr_rd_port)) { - card->mp_rd_bitmap &= (u16) - (~(1 << card->curr_rd_port)); - *port = card->curr_rd_port; + return 0; + } - if (++card->curr_rd_port == MAX_PORT) - card->curr_rd_port = 1; - } else { - return -1; - } + if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port))) + return -1; + + /* We are now handling the SDIO data ports */ + card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port)); + *port = card->curr_rd_port; + + if (++card->curr_rd_port == card->max_ports) + card->curr_rd_port = reg->start_rd_port; + + dev_dbg(adapter->dev, + "data: port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n", + *port, rd_bitmap, card->mp_rd_bitmap); - dev_dbg(adapter->dev, - "data: port=%d mp_rd_bitmap=0x%04x -> 0x%04x\n", - *port, rd_bitmap, card->mp_rd_bitmap); - } return 0; } @@ -524,35 +590,45 @@ static int mwifiex_get_rd_port(struct mwifiex_adapter *adapter, u8 *port) * increased (provided it does not reach the maximum limit, in which * case it is reset to 1) */ -static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u8 *port) +static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u32 *port) { struct sdio_mmc_card *card = adapter->card; - u16 wr_bitmap = card->mp_wr_bitmap; + const struct mwifiex_sdio_card_reg *reg = card->reg; + u32 wr_bitmap = card->mp_wr_bitmap; - dev_dbg(adapter->dev, "data: mp_wr_bitmap=0x%04x\n", wr_bitmap); + dev_dbg(adapter->dev, "data: mp_wr_bitmap=0x%08x\n", wr_bitmap); - if (!(wr_bitmap & card->mp_data_port_mask)) + if (card->supports_sdio_new_mode && + !(wr_bitmap & reg->data_port_mask)) { + adapter->data_sent = true; + return -EBUSY; + } else if (!card->supports_sdio_new_mode && + !(wr_bitmap & card->mp_data_port_mask)) { return -1; + } if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) { - card->mp_wr_bitmap &= (u16) (~(1 << card->curr_wr_port)); + card->mp_wr_bitmap &= (u32) (~(1 << card->curr_wr_port)); *port = card->curr_wr_port; - if (++card->curr_wr_port == card->mp_end_port) - card->curr_wr_port = 1; + if (((card->supports_sdio_new_mode) && + (++card->curr_wr_port == card->max_ports)) || + ((!card->supports_sdio_new_mode) && + (++card->curr_wr_port == card->mp_end_port))) + card->curr_wr_port = reg->start_wr_port; } else { adapter->data_sent = true; return -EBUSY; } - if (*port == CTRL_PORT) { - dev_err(adapter->dev, "invalid data port=%d cur port=%d" - " mp_wr_bitmap=0x%04x -> 0x%04x\n", + if ((card->has_control_mask) && (*port == CTRL_PORT)) { + dev_err(adapter->dev, + "invalid data port=%d cur port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", *port, card->curr_wr_port, wr_bitmap, card->mp_wr_bitmap); return -1; } - dev_dbg(adapter->dev, "data: port=%d mp_wr_bitmap=0x%04x -> 0x%04x\n", + dev_dbg(adapter->dev, "data: port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", *port, wr_bitmap, card->mp_wr_bitmap); return 0; @@ -564,11 +640,12 @@ static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u8 *port) static int mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits) { + struct sdio_mmc_card *card = adapter->card; u32 tries; - u32 cs; + u8 cs; for (tries = 0; tries < MAX_POLL_TRIES; tries++) { - if (mwifiex_read_reg(adapter, CARD_STATUS_REG, &cs)) + if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs)) break; else if ((cs & bits) == bits) return 0; @@ -587,12 +664,14 @@ mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits) static int mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat) { - u32 fws0, fws1; + struct sdio_mmc_card *card = adapter->card; + const struct mwifiex_sdio_card_reg *reg = card->reg; + u8 fws0, fws1; - if (mwifiex_read_reg(adapter, CARD_FW_STATUS0_REG, &fws0)) + if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0)) return -1; - if (mwifiex_read_reg(adapter, CARD_FW_STATUS1_REG, &fws1)) + if (mwifiex_read_reg(adapter, reg->status_reg_1, &fws1)) return -1; *dat = (u16) ((fws1 << 8) | fws0); @@ -608,14 +687,14 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat) */ static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) { - u32 host_int_mask; + u8 host_int_mask, host_int_disable = HOST_INT_DISABLE; /* Read back the host_int_mask register */ if (mwifiex_read_reg(adapter, HOST_INT_MASK_REG, &host_int_mask)) return -1; /* Update with the mask and write back to the register */ - host_int_mask &= ~HOST_INT_DISABLE; + host_int_mask &= ~host_int_disable; if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, host_int_mask)) { dev_err(adapter->dev, "disable host interrupt failed\n"); @@ -633,8 +712,11 @@ static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) */ static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter) { + struct sdio_mmc_card *card = adapter->card; + /* Simply write the mask to the register */ - if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, HOST_INT_ENABLE)) { + if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, + card->reg->host_int_enable)) { dev_err(adapter->dev, "enable host interrupt failed\n"); return -1; } @@ -686,11 +768,13 @@ static int mwifiex_sdio_card_to_host(struct mwifiex_adapter *adapter, static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, struct mwifiex_fw_image *fw) { + struct sdio_mmc_card *card = adapter->card; + const struct mwifiex_sdio_card_reg *reg = card->reg; int ret; u8 *firmware = fw->fw_buf; u32 firmware_len = fw->fw_len; u32 offset = 0; - u32 base0, base1; + u8 base0, base1; u8 *fwbuf; u16 len = 0; u32 txlen, tx_blocks = 0, tries; @@ -727,7 +811,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, break; for (tries = 0; tries < MAX_POLL_TRIES; tries++) { - ret = mwifiex_read_reg(adapter, HOST_F1_RD_BASE_0, + ret = mwifiex_read_reg(adapter, reg->base_0_reg, &base0); if (ret) { dev_err(adapter->dev, @@ -736,7 +820,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, base0, base0); goto done; } - ret = mwifiex_read_reg(adapter, HOST_F1_RD_BASE_1, + ret = mwifiex_read_reg(adapter, reg->base_1_reg, &base1); if (ret) { dev_err(adapter->dev, @@ -828,10 +912,11 @@ done: static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num) { + struct sdio_mmc_card *card = adapter->card; int ret = 0; u16 firmware_stat; u32 tries; - u32 winner_status; + u8 winner_status; /* Wait for firmware initialization event */ for (tries = 0; tries < poll_num; tries++) { @@ -849,7 +934,7 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, if (ret) { if (mwifiex_read_reg - (adapter, CARD_FW_STATUS0_REG, &winner_status)) + (adapter, card->reg->status_reg_0, &winner_status)) winner_status = 0; if (winner_status) @@ -866,12 +951,12 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) { struct sdio_mmc_card *card = adapter->card; - u32 sdio_ireg; + u8 sdio_ireg; unsigned long flags; - if (mwifiex_read_data_sync(adapter, card->mp_regs, MAX_MP_REGS, - REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, - 0)) { + if (mwifiex_read_data_sync(adapter, card->mp_regs, + card->reg->max_mp_regs, + REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) { dev_err(adapter->dev, "read mp_regs failed\n"); return; } @@ -880,6 +965,9 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) if (sdio_ireg) { /* * DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS + * For SDIO new mode CMD port interrupts + * DN_LD_CMD_PORT_HOST_INT_STATUS and/or + * UP_LD_CMD_PORT_HOST_INT_STATUS * Clear the interrupt status register */ dev_dbg(adapter->dev, "int: sdio_ireg = %#x\n", sdio_ireg); @@ -1003,11 +1091,11 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, s32 f_aggr_cur = 0; struct sk_buff *skb_deaggr; u32 pind; - u32 pkt_len, pkt_type = 0; + u32 pkt_len, pkt_type, mport; u8 *curr_ptr; u32 rx_len = skb->len; - if (port == CTRL_PORT) { + if ((card->has_control_mask) && (port == CTRL_PORT)) { /* Read the command Resp without aggr */ dev_dbg(adapter->dev, "info: %s: no aggregation for cmd " "response\n", __func__); @@ -1024,7 +1112,10 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, goto rx_curr_single; } - if (card->mp_rd_bitmap & (~((u16) CTRL_PORT_MASK))) { + if ((!card->has_control_mask && (card->mp_rd_bitmap & + card->reg->data_port_mask)) || + (card->has_control_mask && (card->mp_rd_bitmap & + (~((u32) CTRL_PORT_MASK))))) { /* Some more data RX pending */ dev_dbg(adapter->dev, "info: %s: not last packet\n", __func__); @@ -1060,10 +1151,10 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, if (f_aggr_cur) { dev_dbg(adapter->dev, "info: current packet aggregation\n"); /* Curr pkt can be aggregated */ - MP_RX_AGGR_SETUP(card, skb, port); + mp_rx_aggr_setup(card, skb, port); if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) || - MP_RX_AGGR_PORT_LIMIT_REACHED(card)) { + mp_rx_aggr_port_limit_reached(card)) { dev_dbg(adapter->dev, "info: %s: aggregated packet " "limit reached\n", __func__); /* No more pkts allowed in Aggr buf, rx it */ @@ -1076,11 +1167,28 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, dev_dbg(adapter->dev, "info: do_rx_aggr: num of packets: %d\n", card->mpa_rx.pkt_cnt); + if (card->supports_sdio_new_mode) { + int i; + u32 port_count; + + for (i = 0, port_count = 0; i < card->max_ports; i++) + if (card->mpa_rx.ports & BIT(i)) + port_count++; + + /* Reading data from "start_port + 0" to "start_port + + * port_count -1", so decrease the count by 1 + */ + port_count--; + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (port_count << 8)) + card->mpa_rx.start_port; + } else { + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (card->mpa_rx.ports << 4)) + + card->mpa_rx.start_port; + } + if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf, - card->mpa_rx.buf_len, - (adapter->ioport | 0x1000 | - (card->mpa_rx.ports << 4)) + - card->mpa_rx.start_port, 1)) + card->mpa_rx.buf_len, mport, 1)) goto error; curr_ptr = card->mpa_rx.buf; @@ -1167,6 +1275,7 @@ error: static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) { struct sdio_mmc_card *card = adapter->card; + const struct mwifiex_sdio_card_reg *reg = card->reg; int ret = 0; u8 sdio_ireg; struct sk_buff *skb; @@ -1175,6 +1284,8 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) u32 rx_blocks; u16 rx_len; unsigned long flags; + u32 bitmap; + u8 cr; spin_lock_irqsave(&adapter->int_lock, flags); sdio_ireg = adapter->int_status; @@ -1184,10 +1295,60 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) if (!sdio_ireg) return ret; + /* Following interrupt is only for SDIO new mode */ + if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent) + adapter->cmd_sent = false; + + /* Following interrupt is only for SDIO new mode */ + if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) { + u32 pkt_type; + + /* read the len of control packet */ + rx_len = card->mp_regs[CMD_RD_LEN_1] << 8; + rx_len |= (u16) card->mp_regs[CMD_RD_LEN_0]; + rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE); + if (rx_len <= INTF_HEADER_LEN || + (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > + MWIFIEX_RX_DATA_BUF_SIZE) + return -1; + rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE); + + skb = dev_alloc_skb(rx_len); + if (!skb) + return -1; + + skb_put(skb, rx_len); + + if (mwifiex_sdio_card_to_host(adapter, &pkt_type, skb->data, + skb->len, adapter->ioport | + CMD_PORT_SLCT)) { + dev_err(adapter->dev, + "%s: failed to card_to_host", __func__); + dev_kfree_skb_any(skb); + goto term_cmd; + } + + if ((pkt_type != MWIFIEX_TYPE_CMD) && + (pkt_type != MWIFIEX_TYPE_EVENT)) + dev_err(adapter->dev, + "%s:Received wrong packet on cmd port", + __func__); + + mwifiex_decode_rx_packet(adapter, skb, pkt_type); + } + if (sdio_ireg & DN_LD_HOST_INT_STATUS) { - card->mp_wr_bitmap = ((u16) card->mp_regs[WR_BITMAP_U]) << 8; - card->mp_wr_bitmap |= (u16) card->mp_regs[WR_BITMAP_L]; - dev_dbg(adapter->dev, "int: DNLD: wr_bitmap=0x%04x\n", + bitmap = (u32) card->mp_regs[reg->wr_bitmap_l]; + bitmap |= ((u32) card->mp_regs[reg->wr_bitmap_u]) << 8; + if (card->supports_sdio_new_mode) { + bitmap |= + ((u32) card->mp_regs[reg->wr_bitmap_1l]) << 16; + bitmap |= + ((u32) card->mp_regs[reg->wr_bitmap_1u]) << 24; + } + card->mp_wr_bitmap = bitmap; + + dev_dbg(adapter->dev, "int: DNLD: wr_bitmap=0x%x\n", card->mp_wr_bitmap); if (adapter->data_sent && (card->mp_wr_bitmap & card->mp_data_port_mask)) { @@ -1200,11 +1361,11 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) /* As firmware will not generate download ready interrupt if the port updated is command port only, cmd_sent should be done for any SDIO interrupt. */ - if (adapter->cmd_sent) { + if (card->has_control_mask && adapter->cmd_sent) { /* Check if firmware has attach buffer at command port and update just that in wr_bit_map. */ card->mp_wr_bitmap |= - (u16) card->mp_regs[WR_BITMAP_L] & CTRL_PORT_MASK; + (u32) card->mp_regs[reg->wr_bitmap_l] & CTRL_PORT_MASK; if (card->mp_wr_bitmap & CTRL_PORT_MASK) adapter->cmd_sent = false; } @@ -1212,9 +1373,16 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) dev_dbg(adapter->dev, "info: cmd_sent=%d data_sent=%d\n", adapter->cmd_sent, adapter->data_sent); if (sdio_ireg & UP_LD_HOST_INT_STATUS) { - card->mp_rd_bitmap = ((u16) card->mp_regs[RD_BITMAP_U]) << 8; - card->mp_rd_bitmap |= (u16) card->mp_regs[RD_BITMAP_L]; - dev_dbg(adapter->dev, "int: UPLD: rd_bitmap=0x%04x\n", + bitmap = (u32) card->mp_regs[reg->rd_bitmap_l]; + bitmap |= ((u32) card->mp_regs[reg->rd_bitmap_u]) << 8; + if (card->supports_sdio_new_mode) { + bitmap |= + ((u32) card->mp_regs[reg->rd_bitmap_1l]) << 16; + bitmap |= + ((u32) card->mp_regs[reg->rd_bitmap_1u]) << 24; + } + card->mp_rd_bitmap = bitmap; + dev_dbg(adapter->dev, "int: UPLD: rd_bitmap=0x%x\n", card->mp_rd_bitmap); while (true) { @@ -1224,8 +1392,8 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) "info: no more rd_port available\n"); break; } - len_reg_l = RD_LEN_P0_L + (port << 1); - len_reg_u = RD_LEN_P0_U + (port << 1); + len_reg_l = reg->rd_len_p0_l + (port << 1); + len_reg_u = reg->rd_len_p0_u + (port << 1); rx_len = ((u16) card->mp_regs[len_reg_u]) << 8; rx_len |= (u16) card->mp_regs[len_reg_l]; dev_dbg(adapter->dev, "info: RX: port=%d rx_len=%u\n", @@ -1257,37 +1425,33 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) if (mwifiex_sdio_card_to_host_mp_aggr(adapter, skb, port)) { - u32 cr = 0; - dev_err(adapter->dev, "card_to_host_mpa failed:" " int status=%#x\n", sdio_ireg); - if (mwifiex_read_reg(adapter, - CONFIGURATION_REG, &cr)) - dev_err(adapter->dev, - "read CFG reg failed\n"); - - dev_dbg(adapter->dev, - "info: CFG reg val = %d\n", cr); - if (mwifiex_write_reg(adapter, - CONFIGURATION_REG, - (cr | 0x04))) - dev_err(adapter->dev, - "write CFG reg failed\n"); - - dev_dbg(adapter->dev, "info: write success\n"); - if (mwifiex_read_reg(adapter, - CONFIGURATION_REG, &cr)) - dev_err(adapter->dev, - "read CFG reg failed\n"); - - dev_dbg(adapter->dev, - "info: CFG reg val =%x\n", cr); - return -1; + goto term_cmd; } } } return 0; + +term_cmd: + /* terminate cmd */ + if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) + dev_err(adapter->dev, "read CFG reg failed\n"); + else + dev_dbg(adapter->dev, "info: CFG reg val = %d\n", cr); + + if (mwifiex_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04))) + dev_err(adapter->dev, "write CFG reg failed\n"); + else + dev_dbg(adapter->dev, "info: write success\n"); + + if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) + dev_err(adapter->dev, "read CFG reg failed\n"); + else + dev_dbg(adapter->dev, "info: CFG reg val =%x\n", cr); + + return -1; } /* @@ -1305,7 +1469,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) * and return. */ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, - u8 *payload, u32 pkt_len, u8 port, + u8 *payload, u32 pkt_len, u32 port, u32 next_pkt_len) { struct sdio_mmc_card *card = adapter->card; @@ -1314,8 +1478,11 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, s32 f_send_cur_buf = 0; s32 f_precopy_cur_buf = 0; s32 f_postcopy_cur_buf = 0; + u32 mport; - if ((!card->mpa_tx.enabled) || (port == CTRL_PORT)) { + if (!card->mpa_tx.enabled || + (card->has_control_mask && (port == CTRL_PORT)) || + (card->supports_sdio_new_mode && (port == CMD_PORT_SLCT))) { dev_dbg(adapter->dev, "info: %s: tx aggregation disabled\n", __func__); @@ -1329,7 +1496,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, __func__); if (MP_TX_AGGR_IN_PROGRESS(card)) { - if (!MP_TX_AGGR_PORT_LIMIT_REACHED(card) && + if (!mp_tx_aggr_port_limit_reached(card) && MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) { f_precopy_cur_buf = 1; @@ -1342,7 +1509,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, /* No room in Aggr buf, send it */ f_send_aggr_buf = 1; - if (MP_TX_AGGR_PORT_LIMIT_REACHED(card) || + if (mp_tx_aggr_port_limit_reached(card) || !(card->mp_wr_bitmap & (1 << card->curr_wr_port))) f_send_cur_buf = 1; @@ -1381,7 +1548,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) || - MP_TX_AGGR_PORT_LIMIT_REACHED(card)) + mp_tx_aggr_port_limit_reached(card)) /* No more pkts allowed in Aggr buf, send it */ f_send_aggr_buf = 1; } @@ -1390,11 +1557,28 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, dev_dbg(adapter->dev, "data: %s: send aggr buffer: %d %d\n", __func__, card->mpa_tx.start_port, card->mpa_tx.ports); + if (card->supports_sdio_new_mode) { + u32 port_count; + int i; + + for (i = 0, port_count = 0; i < card->max_ports; i++) + if (card->mpa_tx.ports & BIT(i)) + port_count++; + + /* Writing data from "start_port + 0" to "start_port + + * port_count -1", so decrease the count by 1 + */ + port_count--; + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (port_count << 8)) + card->mpa_tx.start_port; + } else { + mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | + (card->mpa_tx.ports << 4)) + + card->mpa_tx.start_port; + } + ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf, - card->mpa_tx.buf_len, - (adapter->ioport | 0x1000 | - (card->mpa_tx.ports << 4)) + - card->mpa_tx.start_port); + card->mpa_tx.buf_len, mport); MP_TX_AGGR_BUF_RESET(card); } @@ -1434,7 +1618,7 @@ static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, int ret; u32 buf_block_len; u32 blk_size; - u8 port = CTRL_PORT; + u32 port = CTRL_PORT; u8 *payload = (u8 *)skb->data; u32 pkt_len = skb->len; @@ -1465,6 +1649,9 @@ static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, pkt_len > MWIFIEX_UPLD_SIZE) dev_err(adapter->dev, "%s: payload=%p, nb=%d\n", __func__, payload, pkt_len); + + if (card->supports_sdio_new_mode) + port = CMD_PORT_SLCT; } /* Transfer data to card */ @@ -1586,18 +1773,7 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) adapter->dev = &func->dev; - switch (func->device) { - case SDIO_DEVICE_ID_MARVELL_8786: - strcpy(adapter->fw_name, SD8786_DEFAULT_FW_NAME); - break; - case SDIO_DEVICE_ID_MARVELL_8797: - strcpy(adapter->fw_name, SD8797_DEFAULT_FW_NAME); - break; - case SDIO_DEVICE_ID_MARVELL_8787: - default: - strcpy(adapter->fw_name, SD8787_DEFAULT_FW_NAME); - break; - } + strcpy(adapter->fw_name, card->firmware); return 0; @@ -1626,8 +1802,9 @@ disable_func: static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) { struct sdio_mmc_card *card = adapter->card; + const struct mwifiex_sdio_card_reg *reg = card->reg; int ret; - u32 sdio_ireg; + u8 sdio_ireg; /* * Read the HOST_INT_STATUS_REG for ACK the first interrupt got @@ -1645,30 +1822,35 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) /* Initialize SDIO variables in card */ card->mp_rd_bitmap = 0; card->mp_wr_bitmap = 0; - card->curr_rd_port = 1; - card->curr_wr_port = 1; + card->curr_rd_port = reg->start_rd_port; + card->curr_wr_port = reg->start_wr_port; - card->mp_data_port_mask = DATA_PORT_MASK; + card->mp_data_port_mask = reg->data_port_mask; card->mpa_tx.buf_len = 0; card->mpa_tx.pkt_cnt = 0; card->mpa_tx.start_port = 0; card->mpa_tx.enabled = 1; - card->mpa_tx.pkt_aggr_limit = SDIO_MP_AGGR_DEF_PKT_LIMIT; + card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit; card->mpa_rx.buf_len = 0; card->mpa_rx.pkt_cnt = 0; card->mpa_rx.start_port = 0; card->mpa_rx.enabled = 1; - card->mpa_rx.pkt_aggr_limit = SDIO_MP_AGGR_DEF_PKT_LIMIT; + card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit; /* Allocate buffers for SDIO MP-A */ - card->mp_regs = kzalloc(MAX_MP_REGS, GFP_KERNEL); + card->mp_regs = kzalloc(reg->max_mp_regs, GFP_KERNEL); if (!card->mp_regs) return -ENOMEM; + /* Allocate skb pointer buffers */ + card->mpa_rx.skb_arr = kzalloc((sizeof(void *)) * + card->mp_agg_pkt_limit, GFP_KERNEL); + card->mpa_rx.len_arr = kzalloc(sizeof(*card->mpa_rx.len_arr) * + card->mp_agg_pkt_limit, GFP_KERNEL); ret = mwifiex_alloc_sdio_mpa_buffers(adapter, SDIO_MP_TX_AGGR_DEF_BUF_SIZE, SDIO_MP_RX_AGGR_DEF_BUF_SIZE); @@ -1705,6 +1887,8 @@ static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter) struct sdio_mmc_card *card = adapter->card; kfree(card->mp_regs); + kfree(card->mpa_rx.skb_arr); + kfree(card->mpa_rx.len_arr); kfree(card->mpa_tx.buf); kfree(card->mpa_rx.buf); } @@ -1716,16 +1900,20 @@ static void mwifiex_update_mp_end_port(struct mwifiex_adapter *adapter, u16 port) { struct sdio_mmc_card *card = adapter->card; + const struct mwifiex_sdio_card_reg *reg = card->reg; int i; card->mp_end_port = port; - card->mp_data_port_mask = DATA_PORT_MASK; + card->mp_data_port_mask = reg->data_port_mask; - for (i = 1; i <= MAX_PORT - card->mp_end_port; i++) - card->mp_data_port_mask &= ~(1 << (MAX_PORT - i)); + if (reg->start_wr_port) { + for (i = 1; i <= card->max_ports - card->mp_end_port; i++) + card->mp_data_port_mask &= + ~(1 << (card->max_ports - i)); + } - card->curr_wr_port = 1; + card->curr_wr_port = reg->start_wr_port; dev_dbg(adapter->dev, "cmd: mp_end_port %d, data port mask 0x%x\n", port, card->mp_data_port_mask); @@ -1831,3 +2019,4 @@ MODULE_LICENSE("GPL v2"); MODULE_FIRMWARE(SD8786_DEFAULT_FW_NAME); MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME); MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME); +MODULE_FIRMWARE(SD8897_DEFAULT_FW_NAME); diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h index 8cc5468654b4..6d51dfdd8251 100644 --- a/drivers/net/wireless/mwifiex/sdio.h +++ b/drivers/net/wireless/mwifiex/sdio.h @@ -32,30 +32,37 @@ #define SD8786_DEFAULT_FW_NAME "mrvl/sd8786_uapsta.bin" #define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin" #define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin" +#define SD8897_DEFAULT_FW_NAME "mrvl/sd8897_uapsta.bin" #define BLOCK_MODE 1 #define BYTE_MODE 0 #define REG_PORT 0 -#define RD_BITMAP_L 0x04 -#define RD_BITMAP_U 0x05 -#define WR_BITMAP_L 0x06 -#define WR_BITMAP_U 0x07 -#define RD_LEN_P0_L 0x08 -#define RD_LEN_P0_U 0x09 #define MWIFIEX_SDIO_IO_PORT_MASK 0xfffff #define MWIFIEX_SDIO_BYTE_MODE_MASK 0x80000000 +#define SDIO_MPA_ADDR_BASE 0x1000 #define CTRL_PORT 0 #define CTRL_PORT_MASK 0x0001 -#define DATA_PORT_MASK 0xfffe -#define MAX_MP_REGS 64 -#define MAX_PORT 16 - -#define SDIO_MP_AGGR_DEF_PKT_LIMIT 8 +#define CMD_PORT_UPLD_INT_MASK (0x1U<<6) +#define CMD_PORT_DNLD_INT_MASK (0x1U<<7) +#define HOST_TERM_CMD53 (0x1U << 2) +#define REG_PORT 0 +#define MEM_PORT 0x10000 +#define CMD_RD_LEN_0 0xB4 +#define CMD_RD_LEN_1 0xB5 +#define CARD_CONFIG_2_1_REG 0xCD +#define CMD53_NEW_MODE (0x1U << 0) +#define CMD_CONFIG_0 0xB8 +#define CMD_PORT_RD_LEN_EN (0x1U << 2) +#define CMD_CONFIG_1 0xB9 +#define CMD_PORT_AUTO_EN (0x1U << 0) +#define CMD_PORT_SLCT 0x8000 +#define UP_LD_CMD_PORT_HOST_INT_STATUS (0x40U) +#define DN_LD_CMD_PORT_HOST_INT_STATUS (0x80U) #define SDIO_MP_TX_AGGR_DEF_BUF_SIZE (8192) /* 8K */ @@ -75,14 +82,8 @@ /* Host Control Registers : Configuration */ #define CONFIGURATION_REG 0x00 -/* Host Control Registers : Host without Command 53 finish host*/ -#define HOST_TO_CARD_EVENT (0x1U << 3) -/* Host Control Registers : Host without Command 53 finish host */ -#define HOST_WO_CMD53_FINISH_HOST (0x1U << 2) /* Host Control Registers : Host power up */ #define HOST_POWER_UP (0x1U << 1) -/* Host Control Registers : Host power down */ -#define HOST_POWER_DOWN (0x1U << 0) /* Host Control Registers : Host interrupt mask */ #define HOST_INT_MASK_REG 0x02 @@ -90,8 +91,7 @@ #define UP_LD_HOST_INT_MASK (0x1U) /* Host Control Registers : Download host interrupt mask */ #define DN_LD_HOST_INT_MASK (0x2U) -/* Enable Host interrupt mask */ -#define HOST_INT_ENABLE (UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK) + /* Disable Host interrupt mask */ #define HOST_INT_DISABLE 0xff @@ -104,74 +104,15 @@ /* Host Control Registers : Host interrupt RSR */ #define HOST_INT_RSR_REG 0x01 -/* Host Control Registers : Upload host interrupt RSR */ -#define UP_LD_HOST_INT_RSR (0x1U) -#define SDIO_INT_MASK 0x3F /* Host Control Registers : Host interrupt status */ #define HOST_INT_STATUS_REG 0x28 -/* Host Control Registers : Upload CRC error */ -#define UP_LD_CRC_ERR (0x1U << 2) -/* Host Control Registers : Upload restart */ -#define UP_LD_RESTART (0x1U << 1) -/* Host Control Registers : Download restart */ -#define DN_LD_RESTART (0x1U << 0) - -/* Card Control Registers : Card status register */ -#define CARD_STATUS_REG 0x30 + /* Card Control Registers : Card I/O ready */ #define CARD_IO_READY (0x1U << 3) -/* Card Control Registers : CIS card ready */ -#define CIS_CARD_RDY (0x1U << 2) -/* Card Control Registers : Upload card ready */ -#define UP_LD_CARD_RDY (0x1U << 1) /* Card Control Registers : Download card ready */ #define DN_LD_CARD_RDY (0x1U << 0) -/* Card Control Registers : Host interrupt mask register */ -#define HOST_INTERRUPT_MASK_REG 0x34 -/* Card Control Registers : Host power interrupt mask */ -#define HOST_POWER_INT_MASK (0x1U << 3) -/* Card Control Registers : Abort card interrupt mask */ -#define ABORT_CARD_INT_MASK (0x1U << 2) -/* Card Control Registers : Upload card interrupt mask */ -#define UP_LD_CARD_INT_MASK (0x1U << 1) -/* Card Control Registers : Download card interrupt mask */ -#define DN_LD_CARD_INT_MASK (0x1U << 0) - -/* Card Control Registers : Card interrupt status register */ -#define CARD_INTERRUPT_STATUS_REG 0x38 -/* Card Control Registers : Power up interrupt */ -#define POWER_UP_INT (0x1U << 4) -/* Card Control Registers : Power down interrupt */ -#define POWER_DOWN_INT (0x1U << 3) - -/* Card Control Registers : Card interrupt RSR register */ -#define CARD_INTERRUPT_RSR_REG 0x3c -/* Card Control Registers : Power up RSR */ -#define POWER_UP_RSR (0x1U << 4) -/* Card Control Registers : Power down RSR */ -#define POWER_DOWN_RSR (0x1U << 3) - -/* Card Control Registers : Miscellaneous Configuration Register */ -#define CARD_MISC_CFG_REG 0x6C - -/* Host F1 read base 0 */ -#define HOST_F1_RD_BASE_0 0x0040 -/* Host F1 read base 1 */ -#define HOST_F1_RD_BASE_1 0x0041 -/* Host F1 card ready */ -#define HOST_F1_CARD_RDY 0x0020 - -/* Firmware status 0 register */ -#define CARD_FW_STATUS0_REG 0x60 -/* Firmware status 1 register */ -#define CARD_FW_STATUS1_REG 0x61 -/* Rx length register */ -#define CARD_RX_LEN_REG 0x62 -/* Rx unit register */ -#define CARD_RX_UNIT_REG 0x63 - /* Max retry number of CMD53 write */ #define MAX_WRITE_IOMEM_RETRY 2 @@ -192,7 +133,8 @@ if (a->mpa_tx.start_port <= port) \ a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt)); \ else \ - a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+(MAX_PORT - \ + a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+ \ + (a->max_ports - \ a->mp_end_port))); \ a->mpa_tx.pkt_cnt++; \ } while (0) @@ -201,12 +143,6 @@ #define MP_TX_AGGR_PKT_LIMIT_REACHED(a) \ (a->mpa_tx.pkt_cnt == a->mpa_tx.pkt_aggr_limit) -/* SDIO Tx aggregation port limit ? */ -#define MP_TX_AGGR_PORT_LIMIT_REACHED(a) ((a->curr_wr_port < \ - a->mpa_tx.start_port) && (((MAX_PORT - \ - a->mpa_tx.start_port) + a->curr_wr_port) >= \ - SDIO_MP_AGGR_DEF_PKT_LIMIT)) - /* Reset SDIO Tx aggregation buffer parameters */ #define MP_TX_AGGR_BUF_RESET(a) do { \ a->mpa_tx.pkt_cnt = 0; \ @@ -219,12 +155,6 @@ #define MP_RX_AGGR_PKT_LIMIT_REACHED(a) \ (a->mpa_rx.pkt_cnt == a->mpa_rx.pkt_aggr_limit) -/* SDIO Tx aggregation port limit ? */ -#define MP_RX_AGGR_PORT_LIMIT_REACHED(a) ((a->curr_rd_port < \ - a->mpa_rx.start_port) && (((MAX_PORT - \ - a->mpa_rx.start_port) + a->curr_rd_port) >= \ - SDIO_MP_AGGR_DEF_PKT_LIMIT)) - /* SDIO Rx aggregation in progress ? */ #define MP_RX_AGGR_IN_PROGRESS(a) (a->mpa_rx.pkt_cnt > 0) @@ -232,20 +162,6 @@ #define MP_RX_AGGR_BUF_HAS_ROOM(a, rx_len) \ ((a->mpa_rx.buf_len+rx_len) <= a->mpa_rx.buf_size) -/* Prepare to copy current packet from card to SDIO Rx aggregation buffer */ -#define MP_RX_AGGR_SETUP(a, skb, port) do { \ - a->mpa_rx.buf_len += skb->len; \ - if (!a->mpa_rx.pkt_cnt) \ - a->mpa_rx.start_port = port; \ - if (a->mpa_rx.start_port <= port) \ - a->mpa_rx.ports |= (1<<(a->mpa_rx.pkt_cnt)); \ - else \ - a->mpa_rx.ports |= (1<<(a->mpa_rx.pkt_cnt+1)); \ - a->mpa_rx.skb_arr[a->mpa_rx.pkt_cnt] = skb; \ - a->mpa_rx.len_arr[a->mpa_rx.pkt_cnt] = skb->len; \ - a->mpa_rx.pkt_cnt++; \ -} while (0) - /* Reset SDIO Rx aggregation buffer parameters */ #define MP_RX_AGGR_BUF_RESET(a) do { \ a->mpa_rx.pkt_cnt = 0; \ @@ -254,14 +170,13 @@ a->mpa_rx.start_port = 0; \ } while (0) - /* data structure for SDIO MPA TX */ struct mwifiex_sdio_mpa_tx { /* multiport tx aggregation buffer pointer */ u8 *buf; u32 buf_len; u32 pkt_cnt; - u16 ports; + u32 ports; u16 start_port; u8 enabled; u32 buf_size; @@ -272,11 +187,11 @@ struct mwifiex_sdio_mpa_rx { u8 *buf; u32 buf_len; u32 pkt_cnt; - u16 ports; + u32 ports; u16 start_port; - struct sk_buff *skb_arr[SDIO_MP_AGGR_DEF_PKT_LIMIT]; - u32 len_arr[SDIO_MP_AGGR_DEF_PKT_LIMIT]; + struct sk_buff **skb_arr; + u32 *len_arr; u8 enabled; u32 buf_size; @@ -286,15 +201,47 @@ struct mwifiex_sdio_mpa_rx { int mwifiex_bus_register(void); void mwifiex_bus_unregister(void); +struct mwifiex_sdio_card_reg { + u8 start_rd_port; + u8 start_wr_port; + u8 base_0_reg; + u8 base_1_reg; + u8 poll_reg; + u8 host_int_enable; + u8 status_reg_0; + u8 status_reg_1; + u8 sdio_int_mask; + u32 data_port_mask; + u8 max_mp_regs; + u8 rd_bitmap_l; + u8 rd_bitmap_u; + u8 rd_bitmap_1l; + u8 rd_bitmap_1u; + u8 wr_bitmap_l; + u8 wr_bitmap_u; + u8 wr_bitmap_1l; + u8 wr_bitmap_1u; + u8 rd_len_p0_l; + u8 rd_len_p0_u; + u8 card_misc_cfg_reg; +}; + struct sdio_mmc_card { struct sdio_func *func; struct mwifiex_adapter *adapter; - u16 mp_rd_bitmap; - u16 mp_wr_bitmap; + const char *firmware; + const struct mwifiex_sdio_card_reg *reg; + u8 max_ports; + u8 mp_agg_pkt_limit; + bool supports_sdio_new_mode; + bool has_control_mask; + + u32 mp_rd_bitmap; + u32 mp_wr_bitmap; u16 mp_end_port; - u16 mp_data_port_mask; + u32 mp_data_port_mask; u8 curr_rd_port; u8 curr_wr_port; @@ -305,6 +252,98 @@ struct sdio_mmc_card { struct mwifiex_sdio_mpa_rx mpa_rx; }; +struct mwifiex_sdio_device { + const char *firmware; + const struct mwifiex_sdio_card_reg *reg; + u8 max_ports; + u8 mp_agg_pkt_limit; + bool supports_sdio_new_mode; + bool has_control_mask; +}; + +static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = { + .start_rd_port = 1, + .start_wr_port = 1, + .base_0_reg = 0x0040, + .base_1_reg = 0x0041, + .poll_reg = 0x30, + .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK, + .status_reg_0 = 0x60, + .status_reg_1 = 0x61, + .sdio_int_mask = 0x3f, + .data_port_mask = 0x0000fffe, + .max_mp_regs = 64, + .rd_bitmap_l = 0x04, + .rd_bitmap_u = 0x05, + .wr_bitmap_l = 0x06, + .wr_bitmap_u = 0x07, + .rd_len_p0_l = 0x08, + .rd_len_p0_u = 0x09, + .card_misc_cfg_reg = 0x6c, +}; + +static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = { + .start_rd_port = 0, + .start_wr_port = 0, + .base_0_reg = 0x60, + .base_1_reg = 0x61, + .poll_reg = 0x50, + .host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | + CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, + .status_reg_0 = 0xc0, + .status_reg_1 = 0xc1, + .sdio_int_mask = 0xff, + .data_port_mask = 0xffffffff, + .max_mp_regs = 184, + .rd_bitmap_l = 0x04, + .rd_bitmap_u = 0x05, + .rd_bitmap_1l = 0x06, + .rd_bitmap_1u = 0x07, + .wr_bitmap_l = 0x08, + .wr_bitmap_u = 0x09, + .wr_bitmap_1l = 0x0a, + .wr_bitmap_1u = 0x0b, + .rd_len_p0_l = 0x0c, + .rd_len_p0_u = 0x0d, + .card_misc_cfg_reg = 0xcc, +}; + +static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = { + .firmware = SD8786_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_sd87xx, + .max_ports = 16, + .mp_agg_pkt_limit = 8, + .supports_sdio_new_mode = false, + .has_control_mask = true, +}; + +static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = { + .firmware = SD8787_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_sd87xx, + .max_ports = 16, + .mp_agg_pkt_limit = 8, + .supports_sdio_new_mode = false, + .has_control_mask = true, +}; + +static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = { + .firmware = SD8797_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_sd87xx, + .max_ports = 16, + .mp_agg_pkt_limit = 8, + .supports_sdio_new_mode = false, + .has_control_mask = true, +}; + +static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = { + .firmware = SD8897_DEFAULT_FW_NAME, + .reg = &mwifiex_reg_sd8897, + .max_ports = 32, + .mp_agg_pkt_limit = 16, + .supports_sdio_new_mode = true, + .has_control_mask = false, +}; + /* * .cmdrsp_complete handler */ @@ -325,4 +364,77 @@ static inline int mwifiex_sdio_event_complete(struct mwifiex_adapter *adapter, return 0; } +static inline bool +mp_rx_aggr_port_limit_reached(struct sdio_mmc_card *card) +{ + u8 tmp; + + if (card->curr_rd_port < card->mpa_rx.start_port) { + if (card->supports_sdio_new_mode) + tmp = card->mp_end_port >> 1; + else + tmp = card->mp_agg_pkt_limit; + + if (((card->max_ports - card->mpa_rx.start_port) + + card->curr_rd_port) >= tmp) + return true; + } + + if (!card->supports_sdio_new_mode) + return false; + + if ((card->curr_rd_port - card->mpa_rx.start_port) >= + (card->mp_end_port >> 1)) + return true; + + return false; +} + +static inline bool +mp_tx_aggr_port_limit_reached(struct sdio_mmc_card *card) +{ + u16 tmp; + + if (card->curr_wr_port < card->mpa_tx.start_port) { + if (card->supports_sdio_new_mode) + tmp = card->mp_end_port >> 1; + else + tmp = card->mp_agg_pkt_limit; + + if (((card->max_ports - card->mpa_tx.start_port) + + card->curr_wr_port) >= tmp) + return true; + } + + if (!card->supports_sdio_new_mode) + return false; + + if ((card->curr_wr_port - card->mpa_tx.start_port) >= + (card->mp_end_port >> 1)) + return true; + + return false; +} + +/* Prepare to copy current packet from card to SDIO Rx aggregation buffer */ +static inline void mp_rx_aggr_setup(struct sdio_mmc_card *card, + struct sk_buff *skb, u8 port) +{ + card->mpa_rx.buf_len += skb->len; + + if (!card->mpa_rx.pkt_cnt) + card->mpa_rx.start_port = port; + + if (card->supports_sdio_new_mode) { + card->mpa_rx.ports |= (1 << port); + } else { + if (card->mpa_rx.start_port <= port) + card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt); + else + card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt + 1); + } + card->mpa_rx.skb_arr[card->mpa_rx.pkt_cnt] = skb; + card->mpa_rx.len_arr[card->mpa_rx.pkt_cnt] = skb->len; + card->mpa_rx.pkt_cnt++; +} #endif /* _MWIFIEX_SDIO_H */ diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c index b193e25977d2..8ece48580642 100644 --- a/drivers/net/wireless/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/mwifiex/sta_cmd.c @@ -1134,6 +1134,55 @@ mwifiex_cmd_mef_cfg(struct mwifiex_private *priv, return 0; } +/* This function parse cal data from ASCII to hex */ +static u32 mwifiex_parse_cal_cfg(u8 *src, size_t len, u8 *dst) +{ + u8 *s = src, *d = dst; + + while (s - src < len) { + if (*s && (isspace(*s) || *s == '\t')) { + s++; + continue; + } + if (isxdigit(*s)) { + *d++ = simple_strtol(s, NULL, 16); + s += 2; + } else { + s++; + } + } + + return d - dst; +} + +/* This function prepares command of set_cfg_data. */ +static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv, + struct host_cmd_ds_command *cmd, + u16 cmd_action) +{ + struct host_cmd_ds_802_11_cfg_data *cfg_data = &cmd->params.cfg_data; + struct mwifiex_adapter *adapter = priv->adapter; + u32 len, cal_data_offset; + u8 *tmp_cmd = (u8 *)cmd; + + cal_data_offset = S_DS_GEN + sizeof(*cfg_data); + if ((adapter->cal_data->data) && (adapter->cal_data->size > 0)) + len = mwifiex_parse_cal_cfg((u8 *)adapter->cal_data->data, + adapter->cal_data->size, + (u8 *)(tmp_cmd + cal_data_offset)); + else + return -1; + + cfg_data->action = cpu_to_le16(cmd_action); + cfg_data->type = cpu_to_le16(CFG_DATA_TYPE_CAL); + cfg_data->data_len = cpu_to_le16(len); + + cmd->command = cpu_to_le16(HostCmd_CMD_CFG_DATA); + cmd->size = cpu_to_le16(S_DS_GEN + sizeof(*cfg_data) + len); + + return 0; +} + /* * This function prepares the commands before sending them to the firmware. * @@ -1152,6 +1201,9 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no, case HostCmd_CMD_GET_HW_SPEC: ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr); break; + case HostCmd_CMD_CFG_DATA: + ret = mwifiex_cmd_cfg_data(priv, cmd_ptr, cmd_action); + break; case HostCmd_CMD_MAC_CONTROL: ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action, data_buf); @@ -1384,6 +1436,7 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no, */ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta) { + struct mwifiex_adapter *adapter = priv->adapter; int ret; u16 enable = true; struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl; @@ -1404,6 +1457,15 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta) HostCmd_ACT_GEN_SET, 0, NULL); if (ret) return -1; + + /* Download calibration data to firmware */ + if (adapter->cal_data) { + ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_CFG_DATA, + HostCmd_ACT_GEN_SET, 0, NULL); + if (ret) + return -1; + } + /* Read MAC address from HW */ ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_GET_HW_SPEC, HostCmd_ACT_GEN_GET, 0, NULL); diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 9f990e14966e..d85df158cc6c 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -818,6 +818,18 @@ static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv, return 0; } +/* This function handles the command response of set_cfg_data */ +static int mwifiex_ret_cfg_data(struct mwifiex_private *priv, + struct host_cmd_ds_command *resp) +{ + if (resp->result != HostCmd_RESULT_OK) { + dev_err(priv->adapter->dev, "Cal data cmd resp failed\n"); + return -1; + } + + return 0; +} + /* * This function handles the command responses. * @@ -841,6 +853,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, case HostCmd_CMD_GET_HW_SPEC: ret = mwifiex_ret_get_hw_spec(priv, resp); break; + case HostCmd_CMD_CFG_DATA: + ret = mwifiex_ret_cfg_data(priv, resp); + break; case HostCmd_CMD_MAC_CONTROL: break; case HostCmd_CMD_802_11_MAC_ADDRESS: @@ -978,6 +993,8 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, case HostCmd_CMD_UAP_BSS_STOP: priv->bss_started = 0; break; + case HostCmd_CMD_UAP_STA_DEAUTH: + break; case HostCmd_CMD_MEF_CFG: break; default: diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index b04b1db29100..2de882dead0f 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -689,6 +689,23 @@ mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, return 0; } +/* This function prepares AP specific deauth command with mac supplied in + * function parameter. + */ +static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, + struct host_cmd_ds_command *cmd, u8 *mac) +{ + struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; + + cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); + memcpy(sta_deauth->mac, mac, ETH_ALEN); + sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); + + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + + S_DS_GEN); + return 0; +} + /* This function prepares the AP specific commands before sending them * to the firmware. * This is a generic function which calls specific command preparation @@ -710,6 +727,10 @@ int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, cmd->command = cpu_to_le16(cmd_no); cmd->size = cpu_to_le16(S_DS_GEN); break; + case HostCmd_CMD_UAP_STA_DEAUTH: + if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) + return -1; + break; default: dev_err(priv->adapter->dev, "PREP_CMD: unknown cmd %#x\n", cmd_no); diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c index 21c640d3b579..718066577c6c 100644 --- a/drivers/net/wireless/mwifiex/uap_event.c +++ b/drivers/net/wireless/mwifiex/uap_event.c @@ -107,18 +107,15 @@ mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies, */ static void mwifiex_del_sta_entry(struct mwifiex_private *priv, u8 *mac) { - struct mwifiex_sta_node *node, *tmp; + struct mwifiex_sta_node *node; unsigned long flags; spin_lock_irqsave(&priv->sta_list_spinlock, flags); node = mwifiex_get_sta_entry(priv, mac); if (node) { - list_for_each_entry_safe(node, tmp, &priv->sta_list, - list) { - list_del(&node->list); - kfree(node); - } + list_del(&node->list); + kfree(node); } spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); @@ -295,3 +292,19 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv) return 0; } + +/* This function deletes station entry from associated station list. + * Also if both AP and STA are 11n enabled, RxReorder tables and TxBA stream + * tables created for this station are deleted. + */ +void mwifiex_uap_del_sta_data(struct mwifiex_private *priv, + struct mwifiex_sta_node *node) +{ + if (priv->ap_11n_enabled && node->is_11n_enabled) { + mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, node->mac_addr); + mwifiex_del_tx_ba_stream_tbl_by_ra(priv, node->mac_addr); + } + mwifiex_del_sta_entry(priv, node->mac_addr); + + return; +} diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 6820fce4016b..a3707fd4ef62 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -1548,7 +1548,7 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) if (!priv->pending_tx_pkts) return 0; - retry = 0; + retry = 1; rc = 0; spin_lock_bh(&priv->tx_lock); @@ -1572,13 +1572,19 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) spin_lock_bh(&priv->tx_lock); - if (timeout) { + if (timeout || !priv->pending_tx_pkts) { WARN_ON(priv->pending_tx_pkts); if (retry) wiphy_notice(hw->wiphy, "tx rings drained\n"); break; } + if (retry) { + mwl8k_tx_start(priv); + retry = 0; + continue; + } + if (priv->pending_tx_pkts < oldcount) { wiphy_notice(hw->wiphy, "waiting for tx rings to drain (%d -> %d pkts)\n", @@ -2055,6 +2061,7 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, mwl8k_remove_stream(hw, stream); spin_unlock(&priv->stream_lock); } + mwl8k_tx_start(priv); spin_unlock_bh(&priv->tx_lock); pci_unmap_single(priv->pdev, dma, skb->len, PCI_DMA_TODEVICE); diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 978e7eb26567..7fc46f26cf2b 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -42,8 +42,7 @@ MODULE_FIRMWARE("3826.arm"); -/* - * gpios should be handled in board files and provided via platform data, +/* gpios should be handled in board files and provided via platform data, * but because it's currently impossible for p54spi to have a header file * in include/linux, let's use module paramaters for now */ @@ -191,8 +190,7 @@ static int p54spi_request_eeprom(struct ieee80211_hw *dev) const struct firmware *eeprom; int ret; - /* - * allow users to customize their eeprom. + /* allow users to customize their eeprom. */ ret = request_firmware(&eeprom, "3826.eeprom", &priv->spi->dev); @@ -285,8 +283,7 @@ static void p54spi_power_on(struct p54s_priv *priv) gpio_set_value(p54spi_gpio_power, 1); enable_irq(gpio_to_irq(p54spi_gpio_irq)); - /* - * need to wait a while before device can be accessed, the length + /* need to wait a while before device can be accessed, the length * is just a guess */ msleep(10); @@ -365,7 +362,8 @@ static int p54spi_rx(struct p54s_priv *priv) /* Firmware may insert up to 4 padding bytes after the lmac header, * but it does not amend the size of SPI data transfer. * Such packets has correct data size in header, thus referencing - * past the end of allocated skb. Reserve extra 4 bytes for this case */ + * past the end of allocated skb. Reserve extra 4 bytes for this case + */ skb = dev_alloc_skb(len + 4); if (!skb) { p54spi_sleep(priv); @@ -383,7 +381,8 @@ static int p54spi_rx(struct p54s_priv *priv) } p54spi_sleep(priv); /* Put additional bytes to compensate for the possible - * alignment-caused truncation */ + * alignment-caused truncation + */ skb_put(skb, 4); if (p54_rx(priv->hw, skb) == 0) @@ -713,27 +712,7 @@ static struct spi_driver p54spi_driver = { .remove = p54spi_remove, }; -static int __init p54spi_init(void) -{ - int ret; - - ret = spi_register_driver(&p54spi_driver); - if (ret < 0) { - printk(KERN_ERR "failed to register SPI driver: %d", ret); - goto out; - } - -out: - return ret; -} - -static void __exit p54spi_exit(void) -{ - spi_unregister_driver(&p54spi_driver); -} - -module_init(p54spi_init); -module_exit(p54spi_exit); +module_spi_driver(p54spi_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Christian Lamparter <chunkeey@web.de>"); diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index b52d70c75e1a..ead3a3e746a2 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -840,7 +840,7 @@ static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev, unsigned int beacon_base) { int i; - const int txwi_desc_size = rt2x00dev->ops->bcn->winfo_size; + const int txwi_desc_size = rt2x00dev->bcn->winfo_size; /* * For the Beacon base registers we only need to clear @@ -3953,379 +3953,577 @@ static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev) rt2800_bbp_write(rt2x00dev, 106, 0x35); } -static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev) +static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev) { - int ant, div_mode; u16 eeprom; u8 value; - rt2800_init_bbp_early(rt2x00dev); + rt2800_bbp_read(rt2x00dev, 138, &value); + rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); + if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) + value |= 0x20; + if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) + value &= ~0x02; + rt2800_bbp_write(rt2x00dev, 138, value); +} - rt2800_bbp_read(rt2x00dev, 105, &value); - rt2x00_set_field8(&value, BBP105_MLD, - rt2x00dev->default_ant.rx_chain_num == 2); - rt2800_bbp_write(rt2x00dev, 105, value); +static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev) +{ + rt2800_bbp_write(rt2x00dev, 31, 0x08); + + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); + + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x10); + + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + + rt2800_bbp_write(rt2x00dev, 78, 0x0e); + rt2800_bbp_write(rt2x00dev, 80, 0x08); + + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + rt2800_bbp_write(rt2x00dev, 84, 0x99); + + rt2800_bbp_write(rt2x00dev, 86, 0x00); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x00); + + rt2800_bbp_write(rt2x00dev, 103, 0xc0); + + rt2800_bbp_write(rt2x00dev, 105, 0x01); + + rt2800_bbp_write(rt2x00dev, 106, 0x35); +} + +static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev) +{ + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); + + if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { + rt2800_bbp_write(rt2x00dev, 69, 0x16); + rt2800_bbp_write(rt2x00dev, 73, 0x12); + } else { + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x10); + } + + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + + rt2800_bbp_write(rt2x00dev, 81, 0x37); + + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D)) + rt2800_bbp_write(rt2x00dev, 84, 0x19); + else + rt2800_bbp_write(rt2x00dev, 84, 0x99); + + rt2800_bbp_write(rt2x00dev, 86, 0x00); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x00); + + rt2800_bbp_write(rt2x00dev, 103, 0x00); + + rt2800_bbp_write(rt2x00dev, 105, 0x05); + + rt2800_bbp_write(rt2x00dev, 106, 0x35); +} + +static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev) +{ + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); + + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x10); + + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + + rt2800_bbp_write(rt2x00dev, 79, 0x13); + rt2800_bbp_write(rt2x00dev, 80, 0x05); + rt2800_bbp_write(rt2x00dev, 81, 0x33); + + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + rt2800_bbp_write(rt2x00dev, 84, 0x99); + + rt2800_bbp_write(rt2x00dev, 86, 0x00); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x00); + + if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) || + rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) || + rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E)) + rt2800_bbp_write(rt2x00dev, 103, 0xc0); + else + rt2800_bbp_write(rt2x00dev, 103, 0x00); + + rt2800_bbp_write(rt2x00dev, 105, 0x05); + + rt2800_bbp_write(rt2x00dev, 106, 0x35); + + if (rt2x00_rt(rt2x00dev, RT3071) || + rt2x00_rt(rt2x00dev, RT3090)) + rt2800_disable_unused_dac_adc(rt2x00dev); +} + +static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev) +{ + u8 value; rt2800_bbp4_mac_if_ctrl(rt2x00dev); - rt2800_bbp_write(rt2x00dev, 20, 0x06); rt2800_bbp_write(rt2x00dev, 31, 0x08); - rt2800_bbp_write(rt2x00dev, 65, 0x2C); - rt2800_bbp_write(rt2x00dev, 68, 0xDD); - rt2800_bbp_write(rt2x00dev, 69, 0x1A); - rt2800_bbp_write(rt2x00dev, 70, 0x05); + + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); + + rt2800_bbp_write(rt2x00dev, 68, 0x0b); + + rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); - rt2800_bbp_write(rt2x00dev, 74, 0x0F); - rt2800_bbp_write(rt2x00dev, 75, 0x4F); + rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); + + rt2800_bbp_write(rt2x00dev, 77, 0x58); + + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + + rt2800_bbp_write(rt2x00dev, 74, 0x0b); + rt2800_bbp_write(rt2x00dev, 79, 0x18); + rt2800_bbp_write(rt2x00dev, 80, 0x09); + rt2800_bbp_write(rt2x00dev, 81, 0x33); + + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x7a); + + rt2800_bbp_write(rt2x00dev, 84, 0x9a); + + rt2800_bbp_write(rt2x00dev, 86, 0x38); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x02); + + rt2800_bbp_write(rt2x00dev, 103, 0xc0); + + rt2800_bbp_write(rt2x00dev, 104, 0x92); + + rt2800_bbp_write(rt2x00dev, 105, 0x1c); + + rt2800_bbp_write(rt2x00dev, 106, 0x03); + + rt2800_bbp_write(rt2x00dev, 128, 0x12); + + rt2800_bbp_write(rt2x00dev, 67, 0x24); + rt2800_bbp_write(rt2x00dev, 143, 0x04); + rt2800_bbp_write(rt2x00dev, 142, 0x99); + rt2800_bbp_write(rt2x00dev, 150, 0x30); + rt2800_bbp_write(rt2x00dev, 151, 0x2e); + rt2800_bbp_write(rt2x00dev, 152, 0x20); + rt2800_bbp_write(rt2x00dev, 153, 0x34); + rt2800_bbp_write(rt2x00dev, 154, 0x40); + rt2800_bbp_write(rt2x00dev, 155, 0x3b); + rt2800_bbp_write(rt2x00dev, 253, 0x04); + + rt2800_bbp_read(rt2x00dev, 47, &value); + rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1); + rt2800_bbp_write(rt2x00dev, 47, value); + + /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */ + rt2800_bbp_read(rt2x00dev, 3, &value); + rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1); + rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1); + rt2800_bbp_write(rt2x00dev, 3, value); +} + +static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev) +{ + rt2800_bbp_write(rt2x00dev, 3, 0x00); + rt2800_bbp_write(rt2x00dev, 4, 0x50); + + rt2800_bbp_write(rt2x00dev, 31, 0x08); + + rt2800_bbp_write(rt2x00dev, 47, 0x48); + + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); + + rt2800_bbp_write(rt2x00dev, 68, 0x0b); + + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x13); + rt2800_bbp_write(rt2x00dev, 75, 0x46); + rt2800_bbp_write(rt2x00dev, 76, 0x28); + rt2800_bbp_write(rt2x00dev, 77, 0x59); - rt2800_bbp_write(rt2x00dev, 84, 0x9A); + + rt2800_bbp_write(rt2x00dev, 70, 0x0a); + + rt2800_bbp_write(rt2x00dev, 78, 0x0e); + rt2800_bbp_write(rt2x00dev, 80, 0x08); + rt2800_bbp_write(rt2x00dev, 81, 0x37); + + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + rt2800_bbp_write(rt2x00dev, 84, 0x99); + rt2800_bbp_write(rt2x00dev, 86, 0x38); + rt2800_bbp_write(rt2x00dev, 88, 0x90); + rt2800_bbp_write(rt2x00dev, 91, 0x04); + rt2800_bbp_write(rt2x00dev, 92, 0x02); - rt2800_bbp_write(rt2x00dev, 95, 0x9a); - rt2800_bbp_write(rt2x00dev, 98, 0x12); - rt2800_bbp_write(rt2x00dev, 103, 0xC0); + + rt2800_bbp_write(rt2x00dev, 103, 0xc0); + rt2800_bbp_write(rt2x00dev, 104, 0x92); - /* FIXME BBP105 owerwrite */ - rt2800_bbp_write(rt2x00dev, 105, 0x3C); - rt2800_bbp_write(rt2x00dev, 106, 0x35); - rt2800_bbp_write(rt2x00dev, 128, 0x12); - rt2800_bbp_write(rt2x00dev, 134, 0xD0); - rt2800_bbp_write(rt2x00dev, 135, 0xF6); - rt2800_bbp_write(rt2x00dev, 137, 0x0F); - /* Initialize GLRT (Generalized Likehood Radio Test) */ - rt2800_init_bbp_5592_glrt(rt2x00dev); + rt2800_bbp_write(rt2x00dev, 105, 0x34); + + rt2800_bbp_write(rt2x00dev, 106, 0x05); + + rt2800_bbp_write(rt2x00dev, 120, 0x50); + + rt2800_bbp_write(rt2x00dev, 137, 0x0f); + + rt2800_bbp_write(rt2x00dev, 163, 0xbd); + /* Set ITxBF timeout to 0x9c40=1000msec */ + rt2800_bbp_write(rt2x00dev, 179, 0x02); + rt2800_bbp_write(rt2x00dev, 180, 0x00); + rt2800_bbp_write(rt2x00dev, 182, 0x40); + rt2800_bbp_write(rt2x00dev, 180, 0x01); + rt2800_bbp_write(rt2x00dev, 182, 0x9c); + rt2800_bbp_write(rt2x00dev, 179, 0x00); + /* Reprogram the inband interface to put right values in RXWI */ + rt2800_bbp_write(rt2x00dev, 142, 0x04); + rt2800_bbp_write(rt2x00dev, 143, 0x3b); + rt2800_bbp_write(rt2x00dev, 142, 0x06); + rt2800_bbp_write(rt2x00dev, 143, 0xa0); + rt2800_bbp_write(rt2x00dev, 142, 0x07); + rt2800_bbp_write(rt2x00dev, 143, 0xa1); + rt2800_bbp_write(rt2x00dev, 142, 0x08); + rt2800_bbp_write(rt2x00dev, 143, 0xa2); + + rt2800_bbp_write(rt2x00dev, 148, 0xc8); +} - rt2800_bbp4_mac_if_ctrl(rt2x00dev); +static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev) +{ + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); - div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); - ant = (div_mode == 3) ? 1 : 0; - rt2800_bbp_read(rt2x00dev, 152, &value); - if (ant == 0) { - /* Main antenna */ - rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); - } else { - /* Auxiliary antenna */ - rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); - } - rt2800_bbp_write(rt2x00dev, 152, value); + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x10); - if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) { - rt2800_bbp_read(rt2x00dev, 254, &value); - rt2x00_set_field8(&value, BBP254_BIT7, 1); - rt2800_bbp_write(rt2x00dev, 254, value); - } + rt2800_bbp_write(rt2x00dev, 70, 0x0a); - rt2800_init_freq_calibration(rt2x00dev); + rt2800_bbp_write(rt2x00dev, 79, 0x13); + rt2800_bbp_write(rt2x00dev, 80, 0x05); + rt2800_bbp_write(rt2x00dev, 81, 0x33); - rt2800_bbp_write(rt2x00dev, 84, 0x19); - if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) + rt2800_bbp_write(rt2x00dev, 82, 0x62); + + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + rt2800_bbp_write(rt2x00dev, 84, 0x99); + + rt2800_bbp_write(rt2x00dev, 86, 0x00); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x00); + + if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); + else + rt2800_bbp_write(rt2x00dev, 103, 0x00); + + rt2800_bbp_write(rt2x00dev, 105, 0x05); + + rt2800_bbp_write(rt2x00dev, 106, 0x35); + + rt2800_disable_unused_dac_adc(rt2x00dev); } -static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) +static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev) { - unsigned int i; - u16 eeprom; - u8 reg_id; - u8 value; + rt2800_bbp_write(rt2x00dev, 31, 0x08); - if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) || - rt2800_wait_bbp_ready(rt2x00dev))) - return -EACCES; + rt2800_bbp_write(rt2x00dev, 65, 0x2c); + rt2800_bbp_write(rt2x00dev, 66, 0x38); - if (rt2x00_rt(rt2x00dev, RT5592)) { - rt2800_init_bbp_5592(rt2x00dev); - return 0; - } + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x10); - if (rt2x00_rt(rt2x00dev, RT3352)) { - rt2800_bbp_write(rt2x00dev, 3, 0x00); - rt2800_bbp_write(rt2x00dev, 4, 0x50); - } + rt2800_bbp_write(rt2x00dev, 70, 0x0a); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp4_mac_if_ctrl(rt2x00dev); + rt2800_bbp_write(rt2x00dev, 79, 0x13); + rt2800_bbp_write(rt2x00dev, 80, 0x05); + rt2800_bbp_write(rt2x00dev, 81, 0x33); - if (rt2800_is_305x_soc(rt2x00dev) || - rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 31, 0x08); + rt2800_bbp_write(rt2x00dev, 82, 0x62); - if (rt2x00_rt(rt2x00dev, RT3352)) - rt2800_bbp_write(rt2x00dev, 47, 0x48); + rt2800_bbp_write(rt2x00dev, 83, 0x6a); + + rt2800_bbp_write(rt2x00dev, 84, 0x99); + + rt2800_bbp_write(rt2x00dev, 86, 0x00); + + rt2800_bbp_write(rt2x00dev, 91, 0x04); + + rt2800_bbp_write(rt2x00dev, 92, 0x00); + + rt2800_bbp_write(rt2x00dev, 103, 0xc0); + + rt2800_bbp_write(rt2x00dev, 105, 0x05); + + rt2800_bbp_write(rt2x00dev, 106, 0x35); + + rt2800_disable_unused_dac_adc(rt2x00dev); +} + +static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev) +{ + int ant, div_mode; + u16 eeprom; + u8 value; + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 68, 0x0b); + rt2800_bbp_write(rt2x00dev, 68, 0x0b); - if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { - rt2800_bbp_write(rt2x00dev, 69, 0x16); - rt2800_bbp_write(rt2x00dev, 73, 0x12); - } else if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_write(rt2x00dev, 69, 0x12); - rt2800_bbp_write(rt2x00dev, 73, 0x13); - rt2800_bbp_write(rt2x00dev, 75, 0x46); - rt2800_bbp_write(rt2x00dev, 76, 0x28); + rt2800_bbp_write(rt2x00dev, 69, 0x12); + rt2800_bbp_write(rt2x00dev, 73, 0x13); + rt2800_bbp_write(rt2x00dev, 75, 0x46); + rt2800_bbp_write(rt2x00dev, 76, 0x28); - if (rt2x00_rt(rt2x00dev, RT3290)) - rt2800_bbp_write(rt2x00dev, 77, 0x58); - else - rt2800_bbp_write(rt2x00dev, 77, 0x59); - } else { - rt2800_bbp_write(rt2x00dev, 69, 0x12); - rt2800_bbp_write(rt2x00dev, 73, 0x10); - } + rt2800_bbp_write(rt2x00dev, 77, 0x59); rt2800_bbp_write(rt2x00dev, 70, 0x0a); - if (rt2x00_rt(rt2x00dev, RT3070) || - rt2x00_rt(rt2x00dev, RT3071) || - rt2x00_rt(rt2x00dev, RT3090) || - rt2x00_rt(rt2x00dev, RT3390) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_write(rt2x00dev, 79, 0x13); - rt2800_bbp_write(rt2x00dev, 80, 0x05); - rt2800_bbp_write(rt2x00dev, 81, 0x33); - } else if (rt2800_is_305x_soc(rt2x00dev)) { - rt2800_bbp_write(rt2x00dev, 78, 0x0e); - rt2800_bbp_write(rt2x00dev, 80, 0x08); - } else if (rt2x00_rt(rt2x00dev, RT3290)) { - rt2800_bbp_write(rt2x00dev, 74, 0x0b); - rt2800_bbp_write(rt2x00dev, 79, 0x18); - rt2800_bbp_write(rt2x00dev, 80, 0x09); - rt2800_bbp_write(rt2x00dev, 81, 0x33); - } else if (rt2x00_rt(rt2x00dev, RT3352)) { - rt2800_bbp_write(rt2x00dev, 78, 0x0e); - rt2800_bbp_write(rt2x00dev, 80, 0x08); - rt2800_bbp_write(rt2x00dev, 81, 0x37); - } else { - rt2800_bbp_write(rt2x00dev, 81, 0x37); - } + rt2800_bbp_write(rt2x00dev, 79, 0x13); + rt2800_bbp_write(rt2x00dev, 80, 0x05); + rt2800_bbp_write(rt2x00dev, 81, 0x33); rt2800_bbp_write(rt2x00dev, 82, 0x62); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 83, 0x7a); - else - rt2800_bbp_write(rt2x00dev, 83, 0x6a); - if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D)) - rt2800_bbp_write(rt2x00dev, 84, 0x19); - else if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 84, 0x9a); - else - rt2800_bbp_write(rt2x00dev, 84, 0x99); + rt2800_bbp_write(rt2x00dev, 83, 0x7a); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 86, 0x38); - else - rt2800_bbp_write(rt2x00dev, 86, 0x00); + rt2800_bbp_write(rt2x00dev, 84, 0x9a); - if (rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5392)) + rt2800_bbp_write(rt2x00dev, 86, 0x38); + + if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 88, 0x90); rt2800_bbp_write(rt2x00dev, 91, 0x04); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 92, 0x02); - else - rt2800_bbp_write(rt2x00dev, 92, 0x00); + rt2800_bbp_write(rt2x00dev, 92, 0x02); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 95, 0x9a); rt2800_bbp_write(rt2x00dev, 98, 0x12); } - if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) || - rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) || - rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) || - rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) || - rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392) || - rt2800_is_305x_soc(rt2x00dev)) - rt2800_bbp_write(rt2x00dev, 103, 0xc0); - else - rt2800_bbp_write(rt2x00dev, 103, 0x00); + rt2800_bbp_write(rt2x00dev, 103, 0xc0); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT3352) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 104, 0x92); + rt2800_bbp_write(rt2x00dev, 104, 0x92); - if (rt2800_is_305x_soc(rt2x00dev)) - rt2800_bbp_write(rt2x00dev, 105, 0x01); - else if (rt2x00_rt(rt2x00dev, RT3290)) - rt2800_bbp_write(rt2x00dev, 105, 0x1c); - else if (rt2x00_rt(rt2x00dev, RT3352)) - rt2800_bbp_write(rt2x00dev, 105, 0x34); - else if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 105, 0x3c); - else - rt2800_bbp_write(rt2x00dev, 105, 0x05); + rt2800_bbp_write(rt2x00dev, 105, 0x3c); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT5390)) + if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 106, 0x03); - else if (rt2x00_rt(rt2x00dev, RT3352)) - rt2800_bbp_write(rt2x00dev, 106, 0x05); else if (rt2x00_rt(rt2x00dev, RT5392)) rt2800_bbp_write(rt2x00dev, 106, 0x12); else - rt2800_bbp_write(rt2x00dev, 106, 0x35); - - if (rt2x00_rt(rt2x00dev, RT3352)) - rt2800_bbp_write(rt2x00dev, 120, 0x50); + WARN_ON(1); - if (rt2x00_rt(rt2x00dev, RT3290) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 128, 0x12); + rt2800_bbp_write(rt2x00dev, 128, 0x12); if (rt2x00_rt(rt2x00dev, RT5392)) { rt2800_bbp_write(rt2x00dev, 134, 0xd0); rt2800_bbp_write(rt2x00dev, 135, 0xf6); } - if (rt2x00_rt(rt2x00dev, RT3352)) - rt2800_bbp_write(rt2x00dev, 137, 0x0f); + rt2800_disable_unused_dac_adc(rt2x00dev); - if (rt2x00_rt(rt2x00dev, RT3071) || - rt2x00_rt(rt2x00dev, RT3090) || - rt2x00_rt(rt2x00dev, RT3390) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_read(rt2x00dev, 138, &value); + rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); + div_mode = rt2x00_get_field16(eeprom, + EEPROM_NIC_CONF1_ANT_DIVERSITY); + ant = (div_mode == 3) ? 1 : 0; - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); - if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) - value |= 0x20; - if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) - value &= ~0x02; + /* check if this is a Bluetooth combo card */ + if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { + u32 reg; - rt2800_bbp_write(rt2x00dev, 138, value); + rt2800_register_read(rt2x00dev, GPIO_CTRL, ®); + rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); + rt2x00_set_field32(®, GPIO_CTRL_DIR6, 0); + rt2x00_set_field32(®, GPIO_CTRL_VAL3, 0); + rt2x00_set_field32(®, GPIO_CTRL_VAL6, 0); + if (ant == 0) + rt2x00_set_field32(®, GPIO_CTRL_VAL3, 1); + else if (ant == 1) + rt2x00_set_field32(®, GPIO_CTRL_VAL6, 1); + rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); } - if (rt2x00_rt(rt2x00dev, RT3290)) { - rt2800_bbp_write(rt2x00dev, 67, 0x24); - rt2800_bbp_write(rt2x00dev, 143, 0x04); - rt2800_bbp_write(rt2x00dev, 142, 0x99); - rt2800_bbp_write(rt2x00dev, 150, 0x30); - rt2800_bbp_write(rt2x00dev, 151, 0x2e); - rt2800_bbp_write(rt2x00dev, 152, 0x20); - rt2800_bbp_write(rt2x00dev, 153, 0x34); - rt2800_bbp_write(rt2x00dev, 154, 0x40); - rt2800_bbp_write(rt2x00dev, 155, 0x3b); - rt2800_bbp_write(rt2x00dev, 253, 0x04); - - rt2800_bbp_read(rt2x00dev, 47, &value); - rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1); - rt2800_bbp_write(rt2x00dev, 47, value); - - /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */ - rt2800_bbp_read(rt2x00dev, 3, &value); - rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1); - rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1); - rt2800_bbp_write(rt2x00dev, 3, value); + /* This chip has hardware antenna diversity*/ + if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) { + rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */ + rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */ + rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */ } - if (rt2x00_rt(rt2x00dev, RT3352)) { - rt2800_bbp_write(rt2x00dev, 163, 0xbd); - /* Set ITxBF timeout to 0x9c40=1000msec */ - rt2800_bbp_write(rt2x00dev, 179, 0x02); - rt2800_bbp_write(rt2x00dev, 180, 0x00); - rt2800_bbp_write(rt2x00dev, 182, 0x40); - rt2800_bbp_write(rt2x00dev, 180, 0x01); - rt2800_bbp_write(rt2x00dev, 182, 0x9c); - rt2800_bbp_write(rt2x00dev, 179, 0x00); - /* Reprogram the inband interface to put right values in RXWI */ - rt2800_bbp_write(rt2x00dev, 142, 0x04); - rt2800_bbp_write(rt2x00dev, 143, 0x3b); - rt2800_bbp_write(rt2x00dev, 142, 0x06); - rt2800_bbp_write(rt2x00dev, 143, 0xa0); - rt2800_bbp_write(rt2x00dev, 142, 0x07); - rt2800_bbp_write(rt2x00dev, 143, 0xa1); - rt2800_bbp_write(rt2x00dev, 142, 0x08); - rt2800_bbp_write(rt2x00dev, 143, 0xa2); - - rt2800_bbp_write(rt2x00dev, 148, 0xc8); + rt2800_bbp_read(rt2x00dev, 152, &value); + if (ant == 0) + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); + else + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); + rt2800_bbp_write(rt2x00dev, 152, value); + + rt2800_init_freq_calibration(rt2x00dev); +} + +static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev) +{ + int ant, div_mode; + u16 eeprom; + u8 value; + + rt2800_init_bbp_early(rt2x00dev); + + rt2800_bbp_read(rt2x00dev, 105, &value); + rt2x00_set_field8(&value, BBP105_MLD, + rt2x00dev->default_ant.rx_chain_num == 2); + rt2800_bbp_write(rt2x00dev, 105, value); + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2800_bbp_write(rt2x00dev, 20, 0x06); + rt2800_bbp_write(rt2x00dev, 31, 0x08); + rt2800_bbp_write(rt2x00dev, 65, 0x2C); + rt2800_bbp_write(rt2x00dev, 68, 0xDD); + rt2800_bbp_write(rt2x00dev, 69, 0x1A); + rt2800_bbp_write(rt2x00dev, 70, 0x05); + rt2800_bbp_write(rt2x00dev, 73, 0x13); + rt2800_bbp_write(rt2x00dev, 74, 0x0F); + rt2800_bbp_write(rt2x00dev, 75, 0x4F); + rt2800_bbp_write(rt2x00dev, 76, 0x28); + rt2800_bbp_write(rt2x00dev, 77, 0x59); + rt2800_bbp_write(rt2x00dev, 84, 0x9A); + rt2800_bbp_write(rt2x00dev, 86, 0x38); + rt2800_bbp_write(rt2x00dev, 88, 0x90); + rt2800_bbp_write(rt2x00dev, 91, 0x04); + rt2800_bbp_write(rt2x00dev, 92, 0x02); + rt2800_bbp_write(rt2x00dev, 95, 0x9a); + rt2800_bbp_write(rt2x00dev, 98, 0x12); + rt2800_bbp_write(rt2x00dev, 103, 0xC0); + rt2800_bbp_write(rt2x00dev, 104, 0x92); + /* FIXME BBP105 owerwrite */ + rt2800_bbp_write(rt2x00dev, 105, 0x3C); + rt2800_bbp_write(rt2x00dev, 106, 0x35); + rt2800_bbp_write(rt2x00dev, 128, 0x12); + rt2800_bbp_write(rt2x00dev, 134, 0xD0); + rt2800_bbp_write(rt2x00dev, 135, 0xF6); + rt2800_bbp_write(rt2x00dev, 137, 0x0F); + + /* Initialize GLRT (Generalized Likehood Radio Test) */ + rt2800_init_bbp_5592_glrt(rt2x00dev); + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); + div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); + ant = (div_mode == 3) ? 1 : 0; + rt2800_bbp_read(rt2x00dev, 152, &value); + if (ant == 0) { + /* Main antenna */ + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); + } else { + /* Auxiliary antenna */ + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); } + rt2800_bbp_write(rt2x00dev, 152, value); - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - int ant, div_mode; + if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) { + rt2800_bbp_read(rt2x00dev, 254, &value); + rt2x00_set_field8(&value, BBP254_BIT7, 1); + rt2800_bbp_write(rt2x00dev, 254, value); + } - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); - div_mode = rt2x00_get_field16(eeprom, - EEPROM_NIC_CONF1_ANT_DIVERSITY); - ant = (div_mode == 3) ? 1 : 0; + rt2800_init_freq_calibration(rt2x00dev); - /* check if this is a Bluetooth combo card */ - if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { - u32 reg; - - rt2800_register_read(rt2x00dev, GPIO_CTRL, ®); - rt2x00_set_field32(®, GPIO_CTRL_DIR3, 0); - rt2x00_set_field32(®, GPIO_CTRL_DIR6, 0); - rt2x00_set_field32(®, GPIO_CTRL_VAL3, 0); - rt2x00_set_field32(®, GPIO_CTRL_VAL6, 0); - if (ant == 0) - rt2x00_set_field32(®, GPIO_CTRL_VAL3, 1); - else if (ant == 1) - rt2x00_set_field32(®, GPIO_CTRL_VAL6, 1); - rt2800_register_write(rt2x00dev, GPIO_CTRL, reg); - } + rt2800_bbp_write(rt2x00dev, 84, 0x19); + if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) + rt2800_bbp_write(rt2x00dev, 103, 0xc0); +} - /* This chip has hardware antenna diversity*/ - if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) { - rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */ - rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */ - rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */ - } +static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; - rt2800_bbp_read(rt2x00dev, 152, &value); - if (ant == 0) - rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); - else - rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); - rt2800_bbp_write(rt2x00dev, 152, value); + if (rt2800_is_305x_soc(rt2x00dev)) + rt2800_init_bbp_305x_soc(rt2x00dev); - rt2800_init_freq_calibration(rt2x00dev); + switch (rt2x00dev->chip.rt) { + case RT2860: + case RT2872: + case RT2883: + rt2800_init_bbp_28xx(rt2x00dev); + break; + case RT3070: + case RT3071: + case RT3090: + rt2800_init_bbp_30xx(rt2x00dev); + break; + case RT3290: + rt2800_init_bbp_3290(rt2x00dev); + break; + case RT3352: + rt2800_init_bbp_3352(rt2x00dev); + break; + case RT3390: + rt2800_init_bbp_3390(rt2x00dev); + break; + case RT3572: + rt2800_init_bbp_3572(rt2x00dev); + break; + case RT5390: + case RT5392: + rt2800_init_bbp_53xx(rt2x00dev); + break; + case RT5592: + rt2800_init_bbp_5592(rt2x00dev); + return; } for (i = 0; i < EEPROM_BBP_SIZE; i++) { @@ -4337,8 +4535,6 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) rt2800_bbp_write(rt2x00dev, reg_id, value); } } - - return 0; } static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev) @@ -5189,9 +5385,11 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) } msleep(1); - if (unlikely(rt2800_init_bbp(rt2x00dev))) + if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) || + rt2800_wait_bbp_ready(rt2x00dev))) return -EIO; + rt2800_init_bbp(rt2x00dev); rt2800_init_rfcsr(rt2x00dev); if (rt2x00_is_usb(rt2x00dev) && diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 6f4a861af336..330f1d25726d 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -1014,7 +1014,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) * Since we have only one producer and one consumer we don't * need to lock the kfifo. */ - for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { + for (i = 0; i < rt2x00dev->tx->limit; i++) { rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO, &status); if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID)) diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index ac854d75bd6c..c71a48da9a31 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -327,7 +327,7 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) * this limit so reduce the number to prevent errors. */ rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_LIMIT, - ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE) + ((rt2x00dev->rx->limit * DATA_FRAME_SIZE) / 1024) - 3); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_EN, 1); rt2x00_set_field32(®, USB_DMA_CFG_TX_BULK_EN, 1); diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 90dc14336980..6a201725bc50 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1077,7 +1077,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) */ int kfifo_size = roundup_pow_of_two(rt2x00dev->ops->tx_queues * - rt2x00dev->ops->tx->entry_num * + rt2x00dev->tx->limit * sizeof(u32)); status = kfifo_alloc(&rt2x00dev->txstatus_fifo, kfifo_size, @@ -1301,23 +1301,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) (rt2x00dev->ops->max_ap_intf - 1); /* - * Determine which operating modes are supported, all modes - * which require beaconing, depend on the availability of - * beacon entries. - */ - rt2x00dev->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); - if (rt2x00dev->ops->bcn->entry_num > 0) - rt2x00dev->hw->wiphy->interface_modes |= - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP) | -#ifdef CONFIG_MAC80211_MESH - BIT(NL80211_IFTYPE_MESH_POINT) | -#endif - BIT(NL80211_IFTYPE_WDS); - - rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; - - /* * Initialize work. */ rt2x00dev->workqueue = @@ -1348,6 +1331,23 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) goto exit; /* + * Determine which operating modes are supported, all modes + * which require beaconing, depend on the availability of + * beacon entries. + */ + rt2x00dev->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + if (rt2x00dev->ops->bcn->entry_num > 0) + rt2x00dev->hw->wiphy->interface_modes |= + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_WDS); + + rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; + + /* * Initialize ieee80211 structure. */ retval = rt2x00lib_probe_hw(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index dc49e525ae5e..76d95deb274b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -105,11 +105,13 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops) goto exit_release_regions; } + pci_enable_msi(pci_dev); + hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw); if (!hw) { rt2x00_probe_err("Failed to allocate hardware\n"); retval = -ENOMEM; - goto exit_release_regions; + goto exit_disable_msi; } pci_set_drvdata(pci_dev, hw); @@ -150,6 +152,9 @@ exit_free_reg: exit_free_device: ieee80211_free_hw(hw); +exit_disable_msi: + pci_disable_msi(pci_dev); + exit_release_regions: pci_release_regions(pci_dev); @@ -174,6 +179,8 @@ void rt2x00pci_remove(struct pci_dev *pci_dev) rt2x00pci_free_reg(rt2x00dev); ieee80211_free_hw(hw); + pci_disable_msi(pci_dev); + /* * Free the PCI device data. */ diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 0dc8180e251b..7e1759b3e49a 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2175,7 +2175,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) * that the TX_STA_FIFO stack has a size of 16. We stick to our * tx ring size for now. */ - for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) { + for (i = 0; i < rt2x00dev->tx->limit; i++) { rt2x00mmio_register_read(rt2x00dev, STA_CSR4, ®); if (!rt2x00_get_field32(reg, STA_CSR4_VALID)) break; |