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author | sam <sam@FreeBSD.org> | 2009-03-09 23:10:19 +0000 |
---|---|---|
committer | sam <sam@FreeBSD.org> | 2009-03-09 23:10:19 +0000 |
commit | 2f15c795a97265832068c77e9c224e94c5fcd8e6 (patch) | |
tree | 5ebeb6cf262f71f9411c5078af4e1ae7b346b44d | |
parent | 63651013874326541928bef7effc652e82703afc (diff) | |
download | FreeBSD-src-2f15c795a97265832068c77e9c224e94c5fcd8e6.zip FreeBSD-src-2f15c795a97265832068c77e9c224e94c5fcd8e6.tar.gz |
replace if_watchdog w/ private callout; probably can merge this with the
calibration work sometime in the future
-rw-r--r-- | sys/dev/ath/if_ath.c | 33 | ||||
-rw-r--r-- | sys/dev/ath/if_athvar.h | 2 |
2 files changed, 21 insertions, 14 deletions
diff --git a/sys/dev/ath/if_ath.c b/sys/dev/ath/if_ath.c index a5f0b37..3a401fe 100644 --- a/sys/dev/ath/if_ath.c +++ b/sys/dev/ath/if_ath.c @@ -130,7 +130,7 @@ static void ath_start(struct ifnet *); static int ath_reset(struct ifnet *); static int ath_reset_vap(struct ieee80211vap *, u_long); static int ath_media_change(struct ifnet *); -static void ath_watchdog(struct ifnet *); +static void ath_watchdog(void *); static int ath_ioctl(struct ifnet *, u_long, caddr_t); static void ath_fatal_proc(void *, int); static void ath_bmiss_vap(struct ieee80211vap *); @@ -458,7 +458,8 @@ ath_attach(u_int16_t devid, struct ath_softc *sc) if_printf(ifp, "failed to allocate descriptors: %d\n", error); goto bad; } - callout_init(&sc->sc_cal_ch, CALLOUT_MPSAFE); + callout_init_mtx(&sc->sc_cal_ch, &sc->sc_mtx, 0); + callout_init_mtx(&sc->sc_wd_ch, &sc->sc_mtx, 0); ATH_TXBUF_LOCK_INIT(sc); @@ -567,7 +568,7 @@ ath_attach(u_int16_t devid, struct ath_softc *sc) ifp->if_softc = sc; ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST; ifp->if_start = ath_start; - ifp->if_watchdog = ath_watchdog; + ifp->if_watchdog = NULL; ifp->if_ioctl = ath_ioctl; ifp->if_init = ath_init; IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); @@ -1528,6 +1529,7 @@ ath_init(void *arg) sc->sc_imask |= HAL_INT_MIB; ifp->if_drv_flags |= IFF_DRV_RUNNING; + callout_reset(&sc->sc_wd_ch, hz, ath_watchdog, sc); ath_hal_intrset(ah, sc->sc_imask); ATH_UNLOCK(sc); @@ -1570,8 +1572,9 @@ ath_stop_locked(struct ifnet *ifp) if (sc->sc_tx99 != NULL) sc->sc_tx99->stop(sc->sc_tx99); #endif + callout_stop(&sc->sc_wd_ch); + sc->sc_wd_timer = 0; ifp->if_drv_flags &= ~IFF_DRV_RUNNING; - ifp->if_timer = 0; if (!sc->sc_invalid) { if (sc->sc_softled) { callout_stop(&sc->sc_ledtimer); @@ -2195,7 +2198,7 @@ ath_start(struct ifnet *ifp) goto nextfrag; } - ifp->if_timer = 5; + sc->sc_wd_timer = 5; #if 0 /* * Flush stale frames from the fast-frame staging queue. @@ -5372,7 +5375,7 @@ ath_tx_proc_q0(void *arg, int npending) if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum)) ath_tx_processq(sc, sc->sc_cabq); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - ifp->if_timer = 0; + sc->sc_wd_timer = 0; if (sc->sc_softled) ath_led_event(sc, sc->sc_txrix); @@ -5409,7 +5412,7 @@ ath_tx_proc_q0123(void *arg, int npending) sc->sc_lastrx = ath_hal_gettsf64(sc->sc_ah); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - ifp->if_timer = 0; + sc->sc_wd_timer = 0; if (sc->sc_softled) ath_led_event(sc, sc->sc_txrix); @@ -5438,7 +5441,7 @@ ath_tx_proc(void *arg, int npending) sc->sc_lastrx = ath_hal_gettsf64(sc->sc_ah); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - ifp->if_timer = 0; + sc->sc_wd_timer = 0; if (sc->sc_softled) ath_led_event(sc, sc->sc_txrix); @@ -5557,7 +5560,7 @@ ath_draintxq(struct ath_softc *sc) } #endif /* ATH_DEBUG */ ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - ifp->if_timer = 0; + sc->sc_wd_timer = 0; } /* @@ -5902,7 +5905,7 @@ ath_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]); - callout_stop(&sc->sc_cal_ch); + callout_drain(&sc->sc_cal_ch); ath_hal_setledstate(ah, leds[nstate]); /* set LED */ if (nstate == IEEE80211_S_SCAN) { @@ -6436,11 +6439,12 @@ ath_printtxbuf(struct ath_softc *sc, const struct ath_buf *bf, #endif /* ATH_DEBUG */ static void -ath_watchdog(struct ifnet *ifp) +ath_watchdog(void *arg) { - struct ath_softc *sc = ifp->if_softc; + struct ath_softc *sc = arg; - if ((ifp->if_drv_flags & IFF_DRV_RUNNING) && !sc->sc_invalid) { + if (sc->sc_wd_timer != 0 && --sc->sc_wd_timer == 0) { + struct ifnet *ifp = sc->sc_ifp; uint32_t hangs; if (ath_hal_gethangstate(sc->sc_ah, 0xffff, &hangs) && @@ -6453,6 +6457,7 @@ ath_watchdog(struct ifnet *ifp) ifp->if_oerrors++; sc->sc_stats.ast_watchdog++; } + callout_schedule(&sc->sc_wd_ch, hz); } #ifdef ATH_DIAGAPI @@ -7272,7 +7277,7 @@ ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, if (ath_tx_raw_start(sc, ni, bf, m, params)) goto bad; } - ifp->if_timer = 5; + sc->sc_wd_timer = 5; return 0; bad: diff --git a/sys/dev/ath/if_athvar.h b/sys/dev/ath/if_athvar.h index 2640ef2..540b76a 100644 --- a/sys/dev/ath/if_athvar.h +++ b/sys/dev/ath/if_athvar.h @@ -321,6 +321,8 @@ struct ath_softc { struct ath_txq sc_txq[HAL_NUM_TX_QUEUES]; struct ath_txq *sc_ac2q[5]; /* WME AC -> h/w q map */ struct task sc_txtask; /* tx int processing */ + int sc_wd_timer; /* count down for wd timer */ + struct callout sc_wd_ch; /* tx watchdog timer */ struct ath_descdma sc_bdma; /* beacon descriptors */ ath_bufhead sc_bbuf; /* beacon buffers */ |