3 files changed, 44 insertions, 1 deletions

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 39d72ccaffb3..a2d9654aabcb 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -180,6 +180,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
         set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);
 
         del_timer_sync(&tid_tx->addba_resp_timer);
+        del_timer_sync(&tid_tx->session_timer);
 
         /*
          * After this packets are no longer handed right through
@@ -349,6 +350,28 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
                                      tid_tx->timeout);
 }
 
+/*
+ * After accepting the AddBA Response we activated a timer,
+ * resetting it after each frame that we send.
+ */
+static void sta_tx_agg_session_timer_expired(unsigned long data)
+{
+        /* not an elegant detour, but there is no choice as the timer passes
+         * only one argument, and various sta_info are needed here, so init
+         * flow in sta_info_create gives the TID as data, while the timer_to_id
+         * array gives the sta through container_of */
+        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]);
+<