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