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linux-sg2042/drivers/net/wireless/ath
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Sven Eckelmann 6fe7cc71bb ath9k: Test for TID only in BlockAcks while checking tx status 
The ath9k xmit functions for AMPDUs can send frames as non-aggregate in case
only one frame is currently available. The client will then answer using a
normal Ack instead of a BlockAck. This acknowledgement has no TID stored and
therefore the hardware is not able to provide us the corresponding TID.

The TID set by the hardware in the tx status descriptor has to be seen as
undefined and not as a valid TID value for normal acknowledgements. Doing
otherwise results in a massive amount of retransmissions and stalls of
connections.

Users may experience low bandwidth and complete connection stalls in
environments with transfers using multiple TIDs.

This regression was introduced in b11b160def
("ath9k: validate the TID in the tx status information").

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Cc: stable@vger.kernel.org
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2012-10-30 15:58:54 -04:00
..
ath5k ath5k: fix potential NULL pointer dereference in ath5k_beacon_update() 2012-10-08 15:06:04 -04:00
ath6kl cfg80211: constify name parameter to add_virtual_intf 2012-09-19 09:32:59 +02:00
ath9k ath9k: Test for TID only in BlockAcks while checking tx status 2012-10-30 15:58:54 -04:00
carl9170 carl9170: fix sleep in softirq context 2012-10-08 15:06:04 -04:00
Kconfig Merge branch 'for-linus' of git://github.com/richardweinberger/linux 2011-11-02 09:45:39 -07:00
Makefile atheros: force endian checks on atheros wireless drivers 2011-12-21 15:06:12 -05:00
ath.h ath9k: Add a module parameter to enable diversity 2012-09-24 14:59:11 -04:00
debug.c drivers/net: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:08 -04:00
hw.c drivers/net: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:08 -04:00
key.c ath9k: fix dynamic WEP related regression 2012-06-25 15:14:13 -04:00
main.c ath: Add and use pr_fmt, convert printks to pr_<level> 2012-04-10 14:52:13 -04:00
reg.h
…
regd.c ath: Add and use pr_fmt, convert printks to pr_<level> 2012-04-10 14:52:13 -04:00
regd.h ath: fix spelling of Grenada 2011-08-08 16:04:13 -04:00
regd_common.h ath: fix spelling of Grenada 2011-08-08 16:04:13 -04:00