Commit 7107676a authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

mac80211: fix endian issues and comments for BAR failure handling 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4245d313

net/mac80211/status.c

+8 −6
Original line number Diff line number Diff line
@@ -278,17 +278,19 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) 
		}



		if (!acked && ieee80211_is_back_req(fc)) {

			u16 control;



			/*

			 * BAR failed, let's tear down the BA session as a

			 * last resort as some STAs (Intel 5100 on Windows)

			 * can get stuck when the BA window isn't flushed

			 * correctly.

			 * BAR failed, store the last SSN and retry sending

			 * the BAR when the next unicast transmission on the

			 * same TID succeeds.

			 */

			bar = (struct ieee80211_bar *) skb->data;

			if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) {

			control = le16_to_cpu(bar->control);

			if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {

				u16 ssn = le16_to_cpu(bar->start_seq_num);



				tid = (bar->control &

				tid = (control &

				       IEEE80211_BAR_CTRL_TID_INFO_MASK) >>

				      IEEE80211_BAR_CTRL_TID_INFO_SHIFT;