From: Arik Nemtsov <arik@wizery.com>
Date: Thu, 7 Jul 2011 11:25:23 +0000 (+0300)
Subject: wl12xx: start/stop queues according to global per-AC counters
X-Git-Tag: v3.1-rc1~316^2~124^2^2~105^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1a46384ad568f72c11edbe2a3ec284bf32f2dbd;p=pandora-kernel.git

wl12xx: start/stop queues according to global per-AC counters

Split tx_queue_count to count per-AC skb's queued, instead of relying on
the skb-queue len. The skb queues used were only valid in STA-mode, as
AP-mode uses per-link queues.

This fixes a major regression in AP-mode, caused by the patch
"wl12xx: implement Tx watermarks per AC". With that patch applied, we
effectively had no regulation of Tx queues in AP-mode. Therefore a
sustained high rate of Tx could cause exhaustion of the skb memory pool.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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