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ath9k: Process beacons properly

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When the current operating channel context has
been marked as ATH_CHANCTX_STATE_FORCE_ACTIVE,
do not process beacons that might be received,
since we have to wait for the station to become
authorized.

Also, since the cached TSF value will be zero
initially do not rearm the timer in this
case when a beacon is received, since it results
in spurious values.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2014-10-17 07:40:10 +05:30 committed by John W. Linville
parent b8f9279be0
commit be247c1fae
1 changed files with 6 additions and 1 deletions
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7
drivers/net/wireless/ath/ath9k/channel.c
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@ -495,10 +495,15 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
sc->cur_chan == &sc->offchannel.chan)
break;
ath_chanctx_adjust_tbtt_delta(sc);
sc->sched.beacon_pending = false;
sc->sched.beacon_miss = 0;
if (sc->sched.state == ATH_CHANCTX_STATE_FORCE_ACTIVE ||
!sc->cur_chan->tsf_val)
break;
ath_chanctx_adjust_tbtt_delta(sc);
/* TSF time might have been updated by the incoming beacon,
* need update the channel switch timer to reflect the change.
*/