From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 7 Oct 2011 00:28:14 +0000 (+0200)
Subject: ath9k: improve PS filter clearing and retry counting for A-MPDU
X-Git-Tag: v3.2-rc1~129^2~83^2~107
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26a64259b702ec3eccb785e32e473eefcc76b5a5;p=pandora-kernel.git

ath9k: improve PS filter clearing and retry counting for A-MPDU

Do not increment the retry counter if packets to a sleeping station
were not sent because of tx failure, instead of only checking the filter
flag.
Clear the PS filter only after an A-MPDU was reported as filtered,
otherwise the hardware might do some unnecessary extra retransmissions.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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