linux-kernel - [PATCH] [76/275] ieee80211: correct IEEE80211_ADDBA_PARAM_BUF_SIZE

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Message-Id: <20110330210513.B0FAE3E1A05@tassilo.jf.intel.com>
Date:	Wed, 30 Mar 2011 14:05:13 -0700 (PDT)
From:	Andi Kleen <andi@...stfloor.org>
To:	akarwar@...vell.com, bzhao@...vell.com, ak@...ux.intel.com,
	johannes@...solutions.net, linville@...driver.com, gregkh@...e.de,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	tim.bird@...sony.com
Subject: [PATCH] [76/275] ieee80211: correct IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK macro

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Amitkumar Karwar <akarwar@...vell.com>

commit 8d661f1e462d50bd83de87ee628aaf820ce3c66c upstream.

It is defined in include/linux/ieee80211.h. As per IEEE spec.
bit6 to bit15 in block ack parameter represents buffer size.
So the bitmask should be 0xFFC0.

Signed-off-by: Amitkumar Karwar <akarwar@...vell.com>
Signed-off-by: Bing Zhao <bzhao@...vell.com>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Reviewed-by: Johannes Berg <johannes@...solutions.net>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 include/linux/ieee80211.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.35.y/include/linux/ieee80211.h
===================================================================
--- linux-2.6.35.y.orig/include/linux/ieee80211.h	2011-03-29 22:51:39.677707916 -0700
+++ linux-2.6.35.y/include/linux/ieee80211.h	2011-03-29 23:02:59.744306713 -0700
@@ -959,7 +959,7 @@
 /* block-ack parameters */
 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
-#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
+#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 
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