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authorFelix Fietkau <nbd@openwrt.org>2011-08-01 12:15:22 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-08-01 12:15:22 +0000
commit2686b1fba735e45eaf3a268014a8d7f8c7a78303 (patch)
tree16ab44cc3f8f8f1db8bdf814150c0c5edd030356 /package/mac80211
parent9e9772285472eb8be9ffe42e248cd8eac410239e (diff)
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ath9k: prevent the aggregation code from sending packets to sleeping stations - should fix some latency issues
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27861 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211')
-rw-r--r--package/mac80211/patches/560-ath9k_ps_tx_aggr_fix.patch22
1 files changed, 22 insertions, 0 deletions
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
index 0000000000..666b002259
--- /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;
+ }
+