ath9k: prevent the aggregation code from sending packets to sleeping stations - shoul...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27861 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/560-ath9k_ps_tx_aggr_fix.patch b/package/mac80211/patches/560-ath9k_ps_tx_aggr_fix.patch
new file mode 100644 (file)
index 0000000..666b002
--- /dev/null
+++ b/package/mac80211/patches/560-ath9k_ps_tx_aggr_fix.patch
@@ -0,0 +1,22 @@
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -550,7 +550,8 @@ static void ath_tx_complete_aggr(struct 
+               if (clear_filter)
+                       tid->ac->clear_ps_filter = true;
+               list_splice(&bf_pending, &tid->buf_q);
+-              ath_tx_queue_tid(txq, tid);
++              if (!an->sleeping)
++                      ath_tx_queue_tid(txq, tid);
+               spin_unlock_bh(&txq->axq_lock);
+       }
+ 
+@@ -1410,7 +1411,8 @@ static void ath_tx_send_ampdu(struct ath
+                */
+               TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
+               list_add_tail(&bf->list, &tid->buf_q);
+-              ath_tx_queue_tid(txctl->txq, tid);
++              if (!txctl->an || !txctl->an->sleeping)
++                      ath_tx_queue_tid(txctl->txq, tid);
+               return;
+       }
+