diff options
Diffstat (limited to 'package/madwifi/patches/455-beacon_watchdog.patch')
| -rw-r--r-- | package/madwifi/patches/455-beacon_watchdog.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/package/madwifi/patches/455-beacon_watchdog.patch b/package/madwifi/patches/455-beacon_watchdog.patch new file mode 100644 index 000000000..d0b4fa63e --- /dev/null +++ b/package/madwifi/patches/455-beacon_watchdog.patch @@ -0,0 +1,95 @@ +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -379,6 +379,7 @@ static u_int32_t ath_get_clamped_maxtxpo + static u_int32_t ath_set_clamped_maxtxpower(struct ath_softc *sc, + u_int32_t new_clamped_maxtxpower); + ++static void ath_bcn_timer(unsigned long arg); + static void ath_poll_disable(struct net_device *dev); + static void ath_poll_enable(struct net_device *dev); + static void ath_fetch_idle_time(struct ath_softc *sc); +@@ -829,6 +830,10 @@ ath_attach(u_int16_t devid, struct net_d + sc->sc_cal_ch.function = ath_calibrate; + sc->sc_cal_ch.data = (unsigned long) dev; + ++ init_timer(&sc->sc_bcntimer); ++ sc->sc_bcntimer.function = ath_bcn_timer; ++ sc->sc_bcntimer.data = (unsigned long) dev; ++ + /* initialize DFS related variables */ + sc->sc_dfswait = 0; + sc->sc_dfs_cac = 0; +@@ -2704,6 +2709,7 @@ ath_stop_locked(struct net_device *dev) + DPRINTF(sc, ATH_DEBUG_RESET, "invalid=%u flags=0x%x\n", + sc->sc_invalid, dev->flags); + ++ del_timer_sync(&sc->sc_bcntimer); + if (dev->flags & IFF_RUNNING) { + /* + * Shutdown the hardware and driver: +@@ -3006,6 +3012,7 @@ ath_reset(struct net_device *dev) + struct ieee80211_channel *c; + HAL_STATUS status; + ++ del_timer_sync(&sc->sc_bcntimer); + /* + * XXX: starting the calibration too early seems to lead to + * problems with the beacons. +@@ -5305,6 +5312,7 @@ ath_beacon_send(struct ath_softc *sc, in + if (ath_chan_unavail_dbgmsg(sc)) + return; + ++ mod_timer(&sc->sc_bcntimer, jiffies + sc->sc_bcntimer_reload); + /* + * Check if the previous beacon has gone out. If + * not don't try to post another, skip this period +@@ -5487,6 +5495,18 @@ ath_beacon_free(struct ath_softc *sc) + cleanup_ath_buf(sc, bf, BUS_DMA_TODEVICE); + } + ++static void ath_bcn_timer(unsigned long arg) ++{ ++ struct net_device *dev = (struct net_device *)arg; ++ struct ath_softc *sc = netdev_priv(dev); ++ struct ath_hal *ah = sc->sc_ah; ++ ++ if (!sc->sc_beacons) ++ return; ++ ++ ath_reset(dev); ++} ++ + /* + * Configure the beacon and sleep timers. + * +@@ -5523,6 +5543,7 @@ ath_beacon_config(struct ath_softc *sc, + if (vap == NULL) + vap = TAILQ_FIRST(&ic->ic_vaps); /* XXX */ + ++ del_timer_sync(&sc->sc_bcntimer); + ni = vap->iv_bss; + + /* TSF calculation is timing critical - we don't want to be interrupted here */ +@@ -5699,6 +5720,9 @@ ath_beacon_config(struct ath_softc *sc, + sc->sc_imask |= HAL_INT_SWBA; + ath_set_beacon_cal(sc, 1); + ath_beaconq_config(sc); ++ ++ sc->sc_bcntimer_reload = msecs_to_jiffies(10 * (intval & HAL_BEACON_PERIOD)); ++ mod_timer(&sc->sc_bcntimer, jiffies + sc->sc_bcntimer_reload); + } else + ath_set_beacon_cal(sc, 0); + +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -789,6 +789,10 @@ struct ath_softc { + u_int16_t sc_ledoff; /* off time for current blink */ + struct timer_list sc_ledtimer; /* led off timer */ + ++ /* beacon watchdog timer */ ++ u_int32_t sc_bcntimer_reload; ++ struct timer_list sc_bcntimer; ++ + struct ATH_TQ_STRUCT sc_fataltq; /* fatal error intr tasklet */ + + int sc_rxbufsize; /* rx size based on mtu */ |