fs/Kconfig: move iso9660, udf out
[safe/jmp/linux-2.6] / net / mac80211 / util.c
index f32561e..fb89e1d 100644 (file)
@@ -239,7 +239,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
        erp = 0;
        if (vif) {
                sdata = vif_to_sdata(vif);
-               short_preamble = sdata->bss_conf.use_short_preamble;
+               short_preamble = sdata->vif.bss_conf.use_short_preamble;
                if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
                        erp = rate->flags & IEEE80211_RATE_ERP_G;
        }
@@ -272,7 +272,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
        erp = 0;
        if (vif) {
                sdata = vif_to_sdata(vif);
-               short_preamble = sdata->bss_conf.use_short_preamble;
+               short_preamble = sdata->vif.bss_conf.use_short_preamble;
                if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
                        erp = rate->flags & IEEE80211_RATE_ERP_G;
        }
@@ -312,7 +312,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
        erp = 0;
        if (vif) {
                sdata = vif_to_sdata(vif);
-               short_preamble = sdata->bss_conf.use_short_preamble;
+               short_preamble = sdata->vif.bss_conf.use_short_preamble;
                if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
                        erp = rate->flags & IEEE80211_RATE_ERP_G;
        }
@@ -330,10 +330,20 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL(ieee80211_ctstoself_duration);
 
-void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
+static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
+                                  enum queue_stop_reason reason)
 {
        struct ieee80211_local *local = hw_to_local(hw);
 
+       /* we don't need to track ampdu queues */
+       if (queue < ieee80211_num_regular_queues(hw)) {
+               __clear_bit(reason, &local->queue_stop_reasons[queue]);
+
+               if (local->queue_stop_reasons[queue] != 0)
+                       /* someone still has this queue stopped */
+                       return;
+       }
+
        if (test_bit(queue, local->queues_pending)) {
                set_bit(queue, local->queues_pending_run);
                tasklet_schedule(&local->tx_pending_tasklet);
@@ -341,22 +351,74 @@ void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
                netif_wake_subqueue(local->mdev, queue);
        }
 }
+
+void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
+                                   enum queue_stop_reason reason)
+{
+       struct ieee80211_local *local = hw_to_local(hw);
+       unsigned long flags;
+
+       spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+       __ieee80211_wake_queue(hw, queue, reason);
+       spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
+{
+       ieee80211_wake_queue_by_reason(hw, queue,
+                                      IEEE80211_QUEUE_STOP_REASON_DRIVER);
+}
 EXPORT_SYMBOL(ieee80211_wake_queue);
 
-void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
+static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
+                                  enum queue_stop_reason reason)
 {
        struct ieee80211_local *local = hw_to_local(hw);
 
+       /* we don't need to track ampdu queues */
+       if (queue < ieee80211_num_regular_queues(hw))
+               __set_bit(reason, &local->queue_stop_reasons[queue]);
+
        netif_stop_subqueue(local->mdev, queue);
 }
+
+void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
+                                   enum queue_stop_reason reason)
+{
+       struct ieee80211_local *local = hw_to_local(hw);
+       unsigned long flags;
+
+       spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+       __ieee80211_stop_queue(hw, queue, reason);
+       spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
+{
+       ieee80211_stop_queue_by_reason(hw, queue,
+                                      IEEE80211_QUEUE_STOP_REASON_DRIVER);
+}
 EXPORT_SYMBOL(ieee80211_stop_queue);
 
-void ieee80211_stop_queues(struct ieee80211_hw *hw)
+void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
+                                   enum queue_stop_reason reason)
 {
+       struct ieee80211_local *local = hw_to_local(hw);
+       unsigned long flags;
        int i;
 
+       spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+
        for (i = 0; i < ieee80211_num_queues(hw); i++)
-               ieee80211_stop_queue(hw, i);
+               __ieee80211_stop_queue(hw, i, reason);
+
+       spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_stop_queues(struct ieee80211_hw *hw)
+{
+       ieee80211_stop_queues_by_reason(hw,
+                                       IEEE80211_QUEUE_STOP_REASON_DRIVER);
 }
 EXPORT_SYMBOL(ieee80211_stop_queues);
 
@@ -367,12 +429,24 @@ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
 }
 EXPORT_SYMBOL(ieee80211_queue_stopped);
 
-void ieee80211_wake_queues(struct ieee80211_hw *hw)
+void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+                                    enum queue_stop_reason reason)
 {
+       struct ieee80211_local *local = hw_to_local(hw);
+       unsigned long flags;
        int i;
 
+       spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+
        for (i = 0; i < hw->queues + hw->ampdu_queues; i++)
-               ieee80211_wake_queue(hw, i);
+               __ieee80211_wake_queue(hw, i, reason);
+
+       spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_wake_queues(struct ieee80211_hw *hw)
+{
+       ieee80211_wake_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_DRIVER);
 }
 EXPORT_SYMBOL(ieee80211_wake_queues);
 
@@ -529,12 +603,12 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
                        elems->ext_supp_rates_len = elen;
                        break;
                case WLAN_EID_HT_CAPABILITY:
-                       elems->ht_cap_elem = pos;
-                       elems->ht_cap_elem_len = elen;
+                       if (elen >= sizeof(struct ieee80211_ht_cap))
+                               elems->ht_cap_elem = (void *)pos;
                        break;
-               case WLAN_EID_HT_EXTRA_INFO:
-                       elems->ht_info_elem = pos;
-                       elems->ht_info_elem_len = elen;
+               case WLAN_EID_HT_INFORMATION:
+                       if (elen >= sizeof(struct ieee80211_ht_info))
+                               elems->ht_info_elem = (void *)pos;
                        break;
                case WLAN_EID_MESH_ID:
                        elems->mesh_id = pos;
@@ -638,19 +712,16 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
 
        if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
                if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
-                   chan->flags & IEEE80211_CHAN_NO_IBSS) {
-                       printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-                               "%d MHz\n", sdata->dev->name, chan->center_freq);
+                   chan->flags & IEEE80211_CHAN_NO_IBSS)
                        return ret;
-               }
                local->oper_channel = chan;
+               local->oper_channel_type = NL80211_CHAN_NO_HT;
 
                if (local->sw_scanning || local->hw_scanning)
                        ret = 0;
                else
-                       ret = ieee80211_hw_config(local);
-
-               rate_control_clear(local);
+                       ret = ieee80211_hw_config(
+                               local, IEEE80211_CONF_CHANGE_CHANNEL);
        }
 
        return ret;