From: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Date: Thu, 13 Nov 2008 15:39:16 +0000 (-0500)
Subject: rtl8187: feedback transmitted packets using tx close descriptor for 8187B
X-Git-Tag: v2.6.29-rc1~581^2~383^2~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3517afdefc3ad335b276eb5f8691841f48097abf;p=pandora-kernel.git

rtl8187: feedback transmitted packets using tx close descriptor for 8187B

Realtek 8187B has a receive command queue to feedback beacon interrupt
and transmitted packet status. Use it to feedback mac80211 about status
of transmitted packets. Unfortunately in the course of testing I found
that the sequence number reported by hardware includes entire sequence
control in a 12 bit only field, so a workaround is done to check only
lowest bits.

Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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