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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2014-02-22 13:01:11 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2014-02-22 13:01:11 +0000
commit4a926c7dcbfda3a080409a7b1926b4ad9b61343e (patch)
tree7aea9f621358a8df30b4afeb95b71ed69cff3aad
parent17ff2c8df9f9fb605c6d72428ca9d8e0a5c0e111 (diff)
ath9k: fix issues that have been plaguing some powersave clients since the tx queueing rework (#14092)
Signed-off-by: Felix Fietkau <nbd@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39688 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--package/kernel/mac80211/patches/300-pending_work.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index f8d7f2607d..b0c90737bb 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -1,3 +1,20 @@
+commit 0f1cb7be2551b30b02cd54c897e0e29e483cfda5
+Author: Felix Fietkau <nbd@openwrt.org>
+Date: Sat Feb 22 13:43:29 2014 +0100
+
+ ath9k: fix ps-poll responses under a-mpdu sessions
+
+ When passing tx frames to the U-APSD queue for powersave poll responses,
+ the ath_atx_tid pointer needs to be passed to ath_tx_setup_buffer for
+ proper sequence number accounting.
+
+ This fixes high latency and connection stability issues with ath9k
+ running as AP and a few kinds of mobile phones as client, when PS-Poll
+ is heavily used
+
+ Cc: stable@vger.kernel.org
+ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
commit d5d87a37bbd6066b2c3c5d0bd0fe2a6e2ea45cc5
Author: Felix Fietkau <nbd@openwrt.org>
Date: Fri Feb 21 11:39:59 2014 +0100
@@ -3001,6 +3018,24 @@ Date: Thu Jan 23 20:06:34 2014 +0100
buffered = ath_tid_has_buffered(tid);
tid->sched = false;
+@@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw
+ txq->stopped = true;
+ }
+
++ if (txctl->an)
++ tid = ath_get_skb_tid(sc, txctl->an, skb);
++
+ if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) {
+ ath_txq_unlock(sc, txq);
+ txq = sc->tx.uapsdq;
+ ath_txq_lock(sc, txq);
+ } else if (txctl->an &&
+ ieee80211_is_data_present(hdr->frame_control)) {
+- tid = ath_get_skb_tid(sc, txctl->an, skb);
+-
+ WARN_ON(tid->ac->txq != txctl->txq);
+
+ if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -943,6 +943,7 @@ static void ath9k_set_hw_capab(struct at