diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2008-10-08 09:37:29 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-31 19:00:03 -0400 |
| commit | 5d664a41a0a8c612f66bcb3c2a6f395e9afa6beb (patch) | |
| tree | fa256b0edb1a7d94dac56c639cce19adacf8c1c8 | |
| parent | be5d56ed885a2897ec813eab4a8055d495816e9a (diff) | |
iwlwifi: take a valid antenna upon rate scale init
This patch selects a valid antennae upon rate scale init. This solves a
SYSASSERT complaining that the driver is setting a non valid antenna in
the LQ CMD.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-sta.c | 9 |
3 files changed, 20 insertions, 5 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index c1300fb71615..56a3f0c84a1e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -811,10 +811,14 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { case CSR_HW_REV_TYPE_5100: + priv->hw_params.tx_chains_num = 1; + priv->hw_params.rx_chains_num = 2; + priv->hw_params.valid_tx_ant = ANT_B; + priv->hw_params.valid_rx_ant = ANT_AB; + break; case CSR_HW_REV_TYPE_5150: priv->hw_params.tx_chains_num = 1; priv->hw_params.rx_chains_num = 2; - /* FIXME: move to ANT_A, ANT_B, ANT_C enum */ priv->hw_params.valid_tx_ant = ANT_A; priv->hw_params.valid_rx_ant = ANT_AB; break; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h index d148d73635eb..bac91f1d2aa8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h @@ -284,6 +284,16 @@ static inline u8 num_of_ant(u8 mask) !!((mask) & ANT_C); } +static inline u8 first_antenna(u8 mask) +{ + if (mask & ANT_A) + return ANT_A; + if (mask & ANT_B) + return ANT_B; + return ANT_C; +} + + static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index) { u8 rate = iwl_rates[rate_index].prev_ieee; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index e02c4717c93c..a28a8decc79c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -845,7 +845,7 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap) struct iwl_link_quality_cmd link_cmd = { .reserved1 = 0, }; - u16 rate_flags; + u32 rate_flags; /* Set up the rate scaling to start at selected rate, fall back * all the way down to 1M in IEEE order, and then spin on 1M */ @@ -861,15 +861,16 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap) if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE) rate_flags |= RATE_MCS_CCK_MSK; - /* Use Tx antenna B only */ - rate_flags |= RATE_MCS_ANT_B_MSK; /*FIXME:RS*/ + rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) << + RATE_MCS_ANT_POS; link_cmd.rs_table[i].rate_n_flags = iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags); r = iwl4965_get_prev_ieee_rate(r); } - link_cmd.general_params.single_stream_ant_msk = 2; + link_cmd.general_params.single_stream_ant_msk = + first_antenna(priv->hw_params.valid_tx_ant); link_cmd.general_params.dual_stream_ant_msk = 3; link_cmd.agg_params.agg_dis_start_th = 3; link_cmd.agg_params.agg_time_limit = cpu_to_le16(4000); |