This is a note to let you know that I've just added the patch titled
wifi: mac80211: fix # of MSDU in A-MSDU calculation
to the 6.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211-fix-of-msdu-in-a-msdu-calculation.patch
and it can be found in the queue-6.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d176500d3ee3a8ea1e14fe4c5358b3b80ce0a1cf
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Sun Aug 27 14:05:28 2023 +0300
wifi: mac80211: fix # of MSDU in A-MSDU calculation
[ Upstream commit 428e8976a15f849ad92b1c1e38dda2a684350ff7 ]
During my refactoring I wanted to get rid of the switch,
but replaced it with the wrong calculation. Fix that.
Fixes: 175ad2ec89fe ("wifi: mac80211: limit A-MSDU subframes for client too")
Reported-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230827135854.51bf1b8b0adb.Iffbd337fdad2b86ae12f5a39c69fb82b517f7486@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 7751f8ba960ee..0c5cc75857e4f 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2990,7 +2990,7 @@ void ieee80211_sta_set_max_amsdu_subframes(struct sta_info *sta,
WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB) << 1;
if (val)
- sta->sta.max_amsdu_subframes = 4 << val;
+ sta->sta.max_amsdu_subframes = 4 << (4 - val);
}
#ifdef CONFIG_LOCKDEP
