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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c111
1 files changed, 90 insertions, 21 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d595265d6c2..c99237cd4b9 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -749,7 +749,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
container_of(work, struct ieee80211_local,
dynamic_ps_enable_work);
struct ieee80211_sub_if_data *sdata = local->ps_sdata;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_if_managed *ifmgd;
unsigned long flags;
int q;
@@ -757,26 +757,39 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
if (!sdata)
return;
+ ifmgd = &sdata->u.mgd;
+
if (local->hw.conf.flags & IEEE80211_CONF_PS)
return;
- /*
- * transmission can be stopped by others which leads to
- * dynamic_ps_timer expiry. Postpond the ps timer if it
- * is not the actual idle state.
- */
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (q = 0; q < local->hw.queues; q++) {
- if (local->queue_stop_reasons[q]) {
- spin_unlock_irqrestore(&local->queue_stop_reason_lock,
- flags);
+ if (!local->disable_dynamic_ps &&
+ local->hw.conf.dynamic_ps_timeout > 0) {
+ /* don't enter PS if TX frames are pending */
+ if (drv_tx_frames_pending(local)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(
local->hw.conf.dynamic_ps_timeout));
return;
}
+
+ /*
+ * transmission can be stopped by others which leads to
+ * dynamic_ps_timer expiry. Postpone the ps timer if it
+ * is not the actual idle state.
+ */
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (q = 0; q < local->hw.queues; q++) {
+ if (local->queue_stop_reasons[q]) {
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+ flags);
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(
+ local->hw.conf.dynamic_ps_timeout));
+ return;
+ }
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED))) {
@@ -801,7 +814,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
- netif_tx_wake_all_queues(sdata->dev);
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+ netif_tx_wake_all_queues(sdata->dev);
}
void ieee80211_dynamic_ps_timer(unsigned long data)
@@ -1204,7 +1218,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ieee80211_send_nullfunc(sdata->local, sdata, 0);
} else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
- ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
+ ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
+ true);
}
ifmgd->probe_send_count++;
@@ -1289,7 +1304,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
- ssid + 2, ssid[1], NULL, 0);
+ ssid + 2, ssid[1], NULL, 0, true);
return skb;
}
@@ -1748,6 +1763,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal = rx_status->signal * 16;
ifmgd->last_cqm_event_signal = 0;
ifmgd->count_beacon_signal = 1;
+ ifmgd->last_ave_beacon_signal = 0;
} else {
ifmgd->ave_beacon_signal =
(IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
@@ -1755,6 +1771,28 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal) / 16;
ifmgd->count_beacon_signal++;
}
+
+ if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
+ ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
+ int sig = ifmgd->ave_beacon_signal;
+ int last_sig = ifmgd->last_ave_beacon_signal;
+
+ /*
+ * if signal crosses either of the boundaries, invoke callback
+ * with appropriate parameters
+ */
+ if (sig > ifmgd->rssi_max_thold &&
+ (last_sig <= ifmgd->rssi_min_thold || last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_HIGH);
+ } else if (sig < ifmgd->rssi_min_thold &&
+ (last_sig >= ifmgd->rssi_max_thold ||
+ last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_LOW);
+ }
+ }
+
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
@@ -2014,7 +2052,7 @@ static void ieee80211_sta_timer(unsigned long data)
}
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
- u8 *bssid)
+ u8 *bssid, u8 reason)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -2032,8 +2070,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
* but that's not a problem.
*/
ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ IEEE80211_STYPE_DEAUTH, reason,
NULL, true);
mutex_lock(&ifmgd->mtx);
}
@@ -2079,7 +2116,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
" AP %pM, disconnecting.\n",
sdata->name, bssid);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
@@ -2091,7 +2129,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
} else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
@@ -2113,7 +2152,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
}
@@ -2200,12 +2240,34 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ if (!ifmgd->associated)
+ return;
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+ mutex_lock(&ifmgd->mtx);
+ if (ifmgd->associated) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(sdata->local->hw.wiphy,
+ "%s: driver requested disconnect after resume.\n",
+ sdata->name);
+#endif
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED);
+ mutex_unlock(&ifmgd->mtx);
+ return;
+ }
+ mutex_unlock(&ifmgd->mtx);
+ }
+
if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
add_timer(&ifmgd->timer);
if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
add_timer(&ifmgd->chswitch_timer);
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_restart_sta_timer(sdata);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.monitor_work);
}
#endif
@@ -2652,3 +2714,10 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
+
+unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ return sdata->dev->operstate;
+}
+EXPORT_SYMBOL(ieee80211_get_operstate);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-24 00:20:36 +0000