Merge branch 'master' into csb1725

[mv-sheeva.git] / net / mac80211 / agg-rx.c

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 965b272499fd7616e4df039e3c878dda678f5cf9..720b7a84af590f0660d4862c717113daaf0c65af 100644 (file)
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -56,7 +56,7 @@ static void ieee80211_free_tid_rx(struct rcu_head *h)
 }
 
 void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
-                                    u16 initiator, u16 reason)
+                                    u16 initiator, u16 reason, bool tx)
 {
        struct ieee80211_local *local = sta->local;
        struct tid_ampdu_rx *tid_rx;
@@ -81,20 +81,21 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
                                "aggregation for tid %d\n", tid);
 
        /* check if this is a self generated aggregation halt */
-       if (initiator == WLAN_BACK_RECIPIENT)
+       if (initiator == WLAN_BACK_RECIPIENT && tx)
                ieee80211_send_delba(sta->sdata, sta->sta.addr,
                                     tid, 0, reason);
 
        del_timer_sync(&tid_rx->session_timer);
+       del_timer_sync(&tid_rx->reorder_timer);
 
        call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
 }
 
 void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
-                                   u16 initiator, u16 reason)
+                                   u16 initiator, u16 reason, bool tx)
 {
        mutex_lock(&sta->ampdu_mlme.mtx);
-       ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason);
+       ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason, tx);
        mutex_unlock(&sta->ampdu_mlme.mtx);
 }
 
@@ -120,6 +121,20 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
        ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
 }
 
+static void sta_rx_agg_reorder_timer_expired(unsigned long data)
+{
+       u8 *ptid = (u8 *)data;
+       u8 *timer_to_id = ptid - *ptid;
+       struct sta_info *sta = container_of(timer_to_id, struct sta_info,
+                       timer_to_tid[0]);
+
+       rcu_read_lock();
+       spin_lock(&sta->lock);
+       ieee80211_release_reorder_timeout(sta, *ptid);
+       spin_unlock(&sta->lock);
+       rcu_read_unlock();
+}
+
 static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
                                      u8 dialog_token, u16 status, u16 policy,
                                      u16 buf_size, u16 timeout)
@@ -251,11 +266,18 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
                goto end;
        }
 
+       spin_lock_init(&tid_agg_rx->reorder_lock);
+
        /* rx timer */
        tid_agg_rx->session_timer.function = sta_rx_agg_session_timer_expired;
        tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
        init_timer(&tid_agg_rx->session_timer);
 
+       /* rx reorder timer */
+       tid_agg_rx->reorder_timer.function = sta_rx_agg_reorder_timer_expired;
+       tid_agg_rx->reorder_timer.data = (unsigned long)&sta->timer_to_tid[tid];
+       init_timer(&tid_agg_rx->reorder_timer);
+
        /* prepare reordering buffer */
        tid_agg_rx->reorder_buf =
                kcalloc(buf_size, sizeof(struct sk_buff *), GFP_ATOMIC);