ath9k: fix ibss beacon next tbtt

Sync-up ibss beacon timer with the beacon frame's timestamp. When the node acts as joiner, it has to sync with the received beacon timestamp instead of reading tsf from hw. As the hw tsf wont wont be update till bssid is configured. This patch programs hw tsf with the received beacon timestamp if beacon timers are yet to be configured. Signed-off-by: Rajkumar Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
adn770 · Apr 16, 2012 · de5f8fc · de5f8fc
1 parent 3e5217e
commit de5f8fc
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -653,6 +653,8 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 	u32 tsf, intval, nexttbtt;
 
 	ath9k_reset_beacon_status(sc);
+	if (!(sc->sc_flags & SC_OP_BEACONS))
+		ath9k_hw_settsf64(ah, sc->beacon.bc_tstamp);
 
 	intval = TU_TO_USEC(conf->beacon_interval);
 	tsf = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);