diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 95072db0ec2..94cc3354f3a 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -1191,6 +1191,15 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb, */ if (hw_tu >= sc->nexttbtt) ath5k_beacon_update_timers(sc, bc_tstamp); + + /* Check if the beacon timers are still correct, because a TSF + * update might have created a window between them - for a + * longer description see the comment of this function: */ + if (!ath5k_hw_check_beacon_timers(sc->ah, sc->bintval)) { + ath5k_beacon_update_timers(sc, bc_tstamp); + ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, + "fixed beacon timers after beacon receive\n"); + } } } @@ -1877,8 +1886,11 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) hw_tsf = ath5k_hw_get_tsf64(ah); hw_tu = TSF_TO_TU(hw_tsf); -#define FUDGE 3 - /* we use FUDGE to make sure the next TBTT is ahead of the current TU */ +#define FUDGE AR5K_TUNE_SW_BEACON_RESP + 3 + /* We use FUDGE to make sure the next TBTT is ahead of the current TU. + * Since we later substract AR5K_TUNE_SW_BEACON_RESP (10) in the timer + * configuration we need to make sure it is bigger than that. */ + if (bc_tsf == -1) { /* * no beacons received, called internally. |