commit c9122c0d63a50bab0a97dc936a38c0f921b6930e
author Christian Lamparter <chunkeey@googlemail.com> Sat Jul 07 21:13:59 2012 +0200
committer John W. Linville <linville@tuxdriver.com> Wed Jul 11 15:38:26 2012 -0400
tree 7263d06049fc2a21971e363557f7bdc17a26f4ad
parent 4519a7433835f1a8dda242ad508233fcc5963545

carl9170: fix HT peer BA session corruption

This patch adds an alternative tx status path
for BlockAck Requests as the hardware doesn't
recognize that a BlockAck Requests is usually
acked with a BlockAck and not a legacy ACK.

Without this patch, the stack would constantly
resent old and stale BARs. So, depending on the
receiver stack, this could lead to:

 - "stuck" ba sessions and package loss, as the
   stale BAR would reset the sequence each time.

 - lots of reorder releases.

 - ...

Reported-by: Sean Patrick Santos <quantheory@gmail.com>
Reported-by: Mikołaj Kuligowski <mikolaj.q@wp.pl>
Reported-by: Per-Erik Westerberg <per-erik.westerberg@bredband.net>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>