summaryrefslogtreecommitdiff
path: root/net/mac80211
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h1
-rw-r--r--net/mac80211/mlme.c61
-rw-r--r--net/mac80211/rate.c9
-rw-r--r--net/mac80211/rx.c3
-rw-r--r--net/mac80211/tkip.c4
-rw-r--r--net/mac80211/util.c7
6 files changed, 72 insertions, 13 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 158e6eb188d3..44be28cfc6c4 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1267,6 +1267,7 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
__le16 fc, bool acked);
+void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
/* IBSS code */
void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 29620bfc7a69..a46e490f20dd 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1015,7 +1015,8 @@ static void ieee80211_chswitch_timer(unsigned long data)
static void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
- u64 timestamp, struct ieee802_11_elems *elems)
+ u64 timestamp, struct ieee802_11_elems *elems,
+ bool beacon)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -1032,6 +1033,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct cfg80211_chan_def new_vht_chandef = {};
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const struct ieee80211_ht_operation *ht_oper;
int secondary_channel_offset = -1;
ASSERT_MGD_MTX(ifmgd);
@@ -1048,11 +1050,14 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sec_chan_offs = elems->sec_chan_offs;
wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
+ ht_oper = elems->ht_operation;
if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_40MHZ)) {
sec_chan_offs = NULL;
wide_bw_chansw_ie = NULL;
+ /* only used for bandwidth here */
+ ht_oper = NULL;
}
if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
@@ -1094,10 +1099,20 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
return;
}
- if (sec_chan_offs) {
+ if (!beacon && sec_chan_offs) {
secondary_channel_offset = sec_chan_offs->sec_chan_offs;
+ } else if (beacon && ht_oper) {
+ secondary_channel_offset =
+ ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
} else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
- /* if HT is enabled and the IE not present, it's still HT */
+ /*
+ * If it's not a beacon, HT is enabled and the IE not present,
+ * it's 20 MHz, 802.11-2012 8.5.2.6:
+ * This element [the Secondary Channel Offset Element] is
+ * present when switching to a 40 MHz channel. It may be
+ * present when switching to a 20 MHz channel (in which
+ * case the secondary channel offset is set to SCN).
+ */
secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
}
@@ -2796,7 +2811,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
mutex_unlock(&local->iflist_mtx);
}
- ieee80211_sta_process_chanswitch(sdata, rx_status->mactime, elems);
+ ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
+ elems, true);
}
@@ -3210,7 +3226,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch(sdata,
rx_status->mactime,
- &elems);
+ &elems, false);
} else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
ies_len = skb->len -
offsetof(struct ieee80211_mgmt,
@@ -3232,7 +3248,7 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch(sdata,
rx_status->mactime,
- &elems);
+ &elems, false);
}
break;
}
@@ -3623,6 +3639,31 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
}
}
+#ifdef CONFIG_PM
+void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ mutex_lock(&ifmgd->mtx);
+ if (!ifmgd->associated) {
+ mutex_unlock(&ifmgd->mtx);
+ return;
+ }
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+ mlme_dbg(sdata, "driver requested disconnect after resume\n");
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED,
+ true);
+ mutex_unlock(&ifmgd->mtx);
+ return;
+ }
+ mutex_unlock(&ifmgd->mtx);
+}
+#endif
+
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
@@ -4329,7 +4370,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
bool tx = !req->local_state_change;
- bool sent_frame = false;
+ bool report_frame = false;
mutex_lock(&ifmgd->mtx);
@@ -4346,7 +4387,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ieee80211_destroy_auth_data(sdata, false);
mutex_unlock(&ifmgd->mtx);
- sent_frame = tx;
+ report_frame = true;
goto out;
}
@@ -4354,12 +4395,12 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
req->reason_code, tx, frame_buf);
- sent_frame = tx;
+ report_frame = true;
}
mutex_unlock(&ifmgd->mtx);
out:
- if (sent_frame)
+ if (report_frame)
__cfg80211_send_deauth(sdata->dev, frame_buf,
IEEE80211_DEAUTH_FRAME_LEN);
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 0d51877efdb7..d3f414fe67e0 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -688,8 +688,15 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
struct ieee80211_sta *pubsta,
struct ieee80211_sta_rates *rates)
{
- struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
+ struct ieee80211_sta_rates *old;
+ /*
+ * mac80211 guarantees that this function will not be called
+ * concurrently, so the following RCU access is safe, even without
+ * extra locking. This can not be checked easily, so we just set
+ * the condition to true.
+ */
+ old = rcu_dereference_protected(pubsta->rates, true);
rcu_assign_pointer(pubsta->rates, rates);
if (old)
kfree_rcu(old, rcu_head);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c8447af76ead..8e2952620256 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3036,6 +3036,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx,
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
+ if (!multicast &&
+ !ether_addr_equal(sdata->vif.addr, hdr->addr1))
+ return 0;
if (ieee80211_is_public_action(hdr, skb->len))
return 1;
if (!ieee80211_is_beacon(hdr->frame_control))
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 3ed801d90f1e..124b1fdc20d0 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -208,10 +208,10 @@ void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
u32 iv32 = get_unaligned_le32(&data[4]);
u16 iv16 = data[2] | (data[0] << 8);
- spin_lock_bh(&key->u.tkip.txlock);
+ spin_lock(&key->u.tkip.txlock);
ieee80211_compute_tkip_p1k(key, iv32);
tkip_mixing_phase2(tk, ctx, iv16, p2k);
- spin_unlock_bh(&key->u.tkip.txlock);
+ spin_unlock(&key->u.tkip.txlock);
}
EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3f87fa468b1f..27e07150eb46 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1740,6 +1740,13 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mb();
local->resuming = false;
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ ieee80211_sta_restart(sdata);
+ }
+
mod_timer(&local->sta_cleanup, jiffies + 1);
#else
WARN_ON(1);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 15:40:27 +0000