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authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>2012-04-13 13:16:34 +0530
committerJohn W. Linville <linville@tuxdriver.com>2012-04-16 14:38:42 -0400
commitde5f8fc3a3fd4db14568332ffe39a117eaae5498 (patch)
tree4adc959cb6b7c8a8beea82cfb4f96d6f068f51a5 /drivers/net/wireless/ath/ath9k
parent3e5217e2e8cf42b332d2df5cee8dabd0e3f7c6e3 (diff)
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 <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index df5b6acd805..1bf2f57b091 100644
--- 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);