mmc: atmel-mci: Add support for SDIO interrupts

[safe/jmp/linux-2.6] / net / mac80211 / util.c

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 72a98e8..5b79d55 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -270,6 +270,8 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
        struct ieee80211_local *local = hw_to_local(hw);
        struct ieee80211_sub_if_data *sdata;
 
+       trace_wake_queue(local, queue, reason);
+
        if (WARN_ON(queue >= hw->queues))
                return;
 
@@ -279,13 +281,13 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
                /* someone still has this queue stopped */
                return;
 
-       if (!skb_queue_empty(&local->pending[queue]))
+       if (skb_queue_empty(&local->pending[queue])) {
+               rcu_read_lock();
+               list_for_each_entry_rcu(sdata, &local->interfaces, list)
+                       netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+               rcu_read_unlock();
+       } else
                tasklet_schedule(&local->tx_pending_tasklet);
-
-       rcu_read_lock();
-       list_for_each_entry_rcu(sdata, &local->interfaces, list)
-               netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
-       rcu_read_unlock();
 }
 
 void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -312,6 +314,8 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
        struct ieee80211_local *local = hw_to_local(hw);
        struct ieee80211_sub_if_data *sdata;
 
+       trace_stop_queue(local, queue, reason);
+
        if (WARN_ON(queue >= hw->queues))
                return;
 
@@ -792,8 +796,15 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
                        break;
                }
 
+               qparam.uapsd = false;
+
                drv_conf_tx(local, queue, &qparam);
        }
+
+       /* after reinitialize QoS TX queues setting to default,
+        * disable QoS at all */
+       local->hw.conf.flags &= ~IEEE80211_CONF_QOS;
+       drv_config(local, IEEE80211_CONF_CHANGE_QOS);
 }
 
 void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
@@ -1026,6 +1037,7 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
 
        IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
        ieee80211_tx_skb(sdata, skb);
+       kfree(buf);
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
@@ -1069,9 +1081,9 @@ void ieee80211_stop_device(struct ieee80211_local *local)
        ieee80211_led_radio(local, false);
 
        cancel_work_sync(&local->reconfig_filter);
-       drv_stop(local);
 
        flush_workqueue(local->workqueue);
+       drv_stop(local);
 }
 
 int ieee80211_reconfig(struct ieee80211_local *local)
@@ -1079,7 +1091,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
        struct ieee80211_hw *hw = &local->hw;
        struct ieee80211_sub_if_data *sdata;
        struct sta_info *sta;
-       unsigned long flags;
        int res;
 
        if (local->suspended)
@@ -1095,9 +1106,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 */
                res = drv_start(local);
                if (res) {
-                       WARN(local->suspended, "Harware became unavailable "
-                            "upon resume. This is could be a software issue"
-                            "prior to suspend or a hardware issue\n");
+                       WARN(local->suspended, "Hardware became unavailable "
+                            "upon resume. This could be a software issue "
+                            "prior to suspend or a hardware issue.\n");
                        return res;
                }
 
@@ -1113,20 +1124,19 @@ int ieee80211_reconfig(struct ieee80211_local *local)
        }
 
        /* add STAs back */
-       if (local->ops->sta_notify) {
-               spin_lock_irqsave(&local->sta_lock, flags);
-               list_for_each_entry(sta, &local->sta_list, list) {
+       mutex_lock(&local->sta_mtx);
+       list_for_each_entry(sta, &local->sta_list, list) {
+               if (sta->uploaded) {
                        sdata = sta->sdata;
                        if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
                                sdata = container_of(sdata->bss,
                                             struct ieee80211_sub_if_data,
                                             u.ap);
 
-                       drv_sta_notify(local, sdata, STA_NOTIFY_ADD,
-                                      &sta->sta);
+                       WARN_ON(drv_sta_add(local, sdata, &sta->sta));
                }
-               spin_unlock_irqrestore(&local->sta_lock, flags);
        }
+       mutex_unlock(&local->sta_mtx);
 
        /* Clear Suspend state so that ADDBA requests can be processed */
 
@@ -1134,7 +1144,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
        if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
                list_for_each_entry_rcu(sta, &local->sta_list, list) {
-                       clear_sta_flags(sta, WLAN_STA_SUSPEND);
+                       clear_sta_flags(sta, WLAN_STA_BLOCK_BA);
                }
        }
 
@@ -1150,18 +1160,33 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
        /* Finally also reconfigure all the BSS information */
        list_for_each_entry(sdata, &local->interfaces, list) {
-               u32 changed = ~0;
+               u32 changed;
+
                if (!ieee80211_sdata_running(sdata))
                        continue;
+
+               /* common change flags for all interface types */
+               changed = BSS_CHANGED_ERP_CTS_PROT |
+                         BSS_CHANGED_ERP_PREAMBLE |
+                         BSS_CHANGED_ERP_SLOT |
+                         BSS_CHANGED_HT |
+                         BSS_CHANGED_BASIC_RATES |
+                         BSS_CHANGED_BEACON_INT |
+                         BSS_CHANGED_BSSID |
+                         BSS_CHANGED_CQM;
+
                switch (sdata->vif.type) {
                case NL80211_IFTYPE_STATION:
-                       /* disable beacon change bits */
-                       changed &= ~(BSS_CHANGED_BEACON |
-                                    BSS_CHANGED_BEACON_ENABLED);
-                       /* fall through */
+                       changed |= BSS_CHANGED_ASSOC;
+                       ieee80211_bss_info_change_notify(sdata, changed);
+                       break;
                case NL80211_IFTYPE_ADHOC:
+                       changed |= BSS_CHANGED_IBSS;
+                       /* fall through */
                case NL80211_IFTYPE_AP:
                case NL80211_IFTYPE_MESH_POINT:
+                       changed |= BSS_CHANGED_BEACON |
+                                  BSS_CHANGED_BEACON_ENABLED;
                        ieee80211_bss_info_change_notify(sdata, changed);
                        break;
                case NL80211_IFTYPE_WDS:
@@ -1177,6 +1202,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                }
        }
 
+       rcu_read_lock();
+       if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) {
+               list_for_each_entry_rcu(sta, &local->sta_list, list) {
+                       ieee80211_sta_tear_down_BA_sessions(sta);
+               }
+       }
+       rcu_read_unlock();
+
        /* add back keys */
        list_for_each_entry(sdata, &local->interfaces, list)
                if (ieee80211_sdata_running(sdata))
@@ -1216,10 +1249,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
        add_timer(&local->sta_cleanup);
 
-       spin_lock_irqsave(&local->sta_lock, flags);
+       mutex_lock(&local->sta_mtx);
        list_for_each_entry(sta, &local->sta_list, list)
                mesh_plink_restart(sta);
-       spin_unlock_irqrestore(&local->sta_lock, flags);
+       mutex_unlock(&local->sta_mtx);
 #else
        WARN_ON(1);
 #endif