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: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2010-01-04 00:52:56 +01:00 committed by John W. Linville
parent 341c97918a
commit f3f66b69c8

View File

@ -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);