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ath9k: fix issues that have been plaguing some powersave clients since the tx queueing rework (#14092)

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 39688
This commit is contained in:
Felix Fietkau 2014-02-22 13:01:11 +00:00
parent b75914d2fb
commit ec4ab71c54
1 changed files with 35 additions and 0 deletions
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35
package/kernel/mac80211/patches/300-pending_work.patch
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@ -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