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Convert TSEC watchdog to the new scheme.

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Reviewed by:	imp, marcel
Approved by:	cognet (mentor)
This commit is contained in:
Rafal Jaworowski 2008-03-12 16:35:25 +00:00
parent ecb1ab1761
commit 772619e186
2 changed files with 29 additions and 18 deletions
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43
sys/dev/tsec/if_tsec.c
View file

@ -96,7 +96,7 @@ static void tsec_dma_ctl(struct tsec_softc *sc, int state);
static void tsec_intrs_ctl(struct tsec_softc *sc, int state);
static void tsec_reset_mac(struct tsec_softc *sc);
static void tsec_watchdog(struct ifnet *ifp);
static void tsec_watchdog(struct tsec_softc *sc);
static void tsec_start(struct ifnet *ifp);
static void tsec_start_locked(struct ifnet *ifp);
static int tsec_encap(struct tsec_softc *sc,
@ -374,8 +374,10 @@ tsec_init_locked(struct tsec_softc *sc)
/* Step 25: Activate network interface */
ifp->if_drv_flags |= IFF_DRV_RUNNING;
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
ifp->if_timer = 0;
sc->tsec_if_flags = ifp->if_flags;
/* Schedule watchdog timeout */
callout_reset(&sc->wd_callout, hz, tsec_tick, sc);
}
static void
@ -509,19 +511,21 @@ tsec_reset_mac(struct tsec_softc *sc)
}
static void
tsec_watchdog(struct ifnet *ifp)
tsec_watchdog(struct tsec_softc *sc)
{
struct tsec_softc *sc = ifp->if_softc;
struct ifnet *ifp;
TSEC_GLOBAL_LOCK(sc);
TSEC_GLOBAL_LOCK_ASSERT(sc);
if (sc->wd_timer == 0 || --sc->wd_timer > 0)
return;
ifp = sc->tsec_ifp;
ifp->if_oerrors++;
if_printf(ifp, "watchdog timeout\n");
tsec_stop(sc);
tsec_init_locked(sc);
TSEC_GLOBAL_UNLOCK(sc);
}
static void
@ -534,7 +538,6 @@ tsec_start(struct ifnet *ifp)
TSEC_TRANSMIT_UNLOCK(sc);
}
static void
tsec_start_locked(struct ifnet *ifp)
{
@ -581,7 +584,7 @@ tsec_start_locked(struct ifnet *ifp)
if (queued) {
/* Enable transmitter and watchdog timer */
TSEC_WRITE(sc, TSEC_REG_TSTAT, TSEC_TSTAT_THLT);
ifp->if_timer = 5;
sc->wd_timer = 5;
}
}
@ -1049,7 +1052,6 @@ tsec_attach(device_t dev)
ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST;
ifp->if_init = tsec_init;
ifp->if_start = tsec_start;
ifp->if_watchdog = tsec_watchdog;
ifp->if_ioctl = tsec_ioctl;
IFQ_SET_MAXLEN(&ifp->if_snd, TSEC_TX_NUM_DESC - 1);
@ -1074,6 +1076,7 @@ tsec_attach(device_t dev)
tsec_get_hwaddr(sc, hwaddr);
ether_ifattach(ifp, hwaddr);
callout_init(&sc->wd_callout, 0);
/* Interrupts configuration (TX/RX/ERR) */
sc->sc_transmit_irid = OCP_TSEC_RID_TXIRQ;
@ -1284,7 +1287,7 @@ tsec_stop(struct tsec_softc *sc)
/* Disable interface and watchdog timer */
ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
ifp->if_timer = 0;
sc->wd_timer = 0;
/* Disable all interrupts and stop DMA */
tsec_intrs_ctl(sc, 0);
@ -1467,9 +1470,9 @@ tsec_transmit_intr(void *arg)
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
tsec_start_locked(ifp);
/* Stop wathdog if all sent */
/* Stop watchdog if all sent */
if (TSEC_EMPTYQ_TX_MBUF(sc))
ifp->if_timer = 0;
sc->wd_timer = 0;
}
TSEC_TRANSMIT_UNLOCK(sc);
}
@ -1526,13 +1529,15 @@ tsec_error_intr(void *arg)
}
static void
tsec_tick(void *arg)
tsec_tick(void *xsc)
{
struct tsec_softc *sc = arg;
struct tsec_softc *sc = xsc;
struct ifnet *ifp;
int link;
TSEC_TRANSMIT_LOCK(sc);
TSEC_GLOBAL_LOCK(sc);
tsec_watchdog(sc);
ifp = sc->tsec_ifp;
link = sc->tsec_link;
@ -1542,8 +1547,10 @@ tsec_tick(void *arg)
if (link == 0 && sc->tsec_link == 1 && (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)))
tsec_start_locked(ifp);
callout_reset(&sc->tsec_tick_ch, hz, tsec_tick, sc);
TSEC_TRANSMIT_UNLOCK(sc);
/* Schedule another timeout one second from now. */
callout_reset(&sc->wd_callout, hz, tsec_tick, sc);
TSEC_GLOBAL_UNLOCK(sc);
}
static int

4
sys/dev/tsec/if_tsec.h
View file

@ -91,6 +91,10 @@ struct tsec_softc {
int tsec_if_flags;
/* Watchdog related */
struct callout wd_callout;
int wd_timer;
/* TX maps */
bus_dmamap_t tx_map_data[TSEC_TX_NUM_DESC];