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Commit f3f66b69 authored by Christian Lamparter's avatar Christian Lamparter Committed by John W. Linville
Browse files

mac80211: fix ampdu_action tx_start ssn 



The start_seq_num is taken from the station's tid_seq[tid].
This is fine, except tid_seq sequence counter is shifted
by 4 bits to accommodate for frame fragmentation.

Both (iwlagn & ath9k) were unaffected by this minor glitch,
because they don't read the *ssn for the AMPDU_TX_START action.

Signed-off-by: default avatarChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 341c9791

net/mac80211/agg-tx.c

+1 −1
Original line number Diff line number Diff line
@@ -301,7 +301,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) 
	 * call back right away, it must see that the flow has begun */

	*state |= HT_ADDBA_REQUESTED_MSK;



	start_seq_num = sta->tid_seq[tid];

	start_seq_num = sta->tid_seq[tid] >> 4;



	ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START,

			       pubsta, tid, &start_seq_num);