mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 04:43:53 +00:00
- Hook into the existing stat timer to drive the transmit watchdog instead
of using if_watchdog and if_timer. - Reorder detach to call ether_ifdetach() before anything else in tl(4) and wb(4).
This commit is contained in:
John Baldwin
parent
7cf545d0a1
commit
e55bc0154d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=199560
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@ -137,7 +137,7 @@ static int lge_ioctl(struct ifnet *, u_long, caddr_t);
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static void lge_init(void *);
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static void lge_init_locked(struct lge_softc *);
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static void lge_stop(struct lge_softc *);
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static void lge_watchdog(struct ifnet *);
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static void lge_watchdog(struct lge_softc *);
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static int lge_shutdown(device_t);
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static int lge_ifmedia_upd(struct ifnet *);
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static void lge_ifmedia_upd_locked(struct ifnet *);
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@ -544,7 +544,6 @@ lge_attach(dev)
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = lge_ioctl;
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ifp->if_start = lge_start;
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ifp->if_watchdog = lge_watchdog;
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ifp->if_init = lge_init;
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ifp->if_snd.ifq_maxlen = LGE_TX_LIST_CNT - 1;
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ifp->if_capabilities = IFCAP_RXCSUM;
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@ -1000,7 +999,7 @@ lge_txeof(sc)
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ifp = sc->lge_ifp;
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/* Clear the timeout timer. */
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ifp->if_timer = 0;
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sc->lge_timer = 0;
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/*
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* Go through our tx list and free mbufs for those
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@ -1021,7 +1020,7 @@ lge_txeof(sc)
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txdone--;
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LGE_INC(idx, LGE_TX_LIST_CNT);
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ifp->if_timer = 0;
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sc->lge_timer = 0;
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}
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sc->lge_cdata.lge_tx_cons = idx;
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@ -1064,6 +1063,8 @@ lge_tick(xsc)
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}
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}
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if (sc->lge_timer != 0 && --sc->lge_timer == 0)
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lge_watchdog(sc);
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callout_reset(&sc->lge_stat_callout, hz, lge_tick, sc);
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return;
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@ -1236,7 +1237,7 @@ lge_start_locked(ifp)
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/*
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* Set a timeout in case the chip goes out to lunch.
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*/
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ifp->if_timer = 5;
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sc->lge_timer = 5;
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return;
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}
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@ -1506,14 +1507,14 @@ lge_ioctl(ifp, command, data)
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}
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static void
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lge_watchdog(ifp)
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struct ifnet *ifp;
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{
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lge_watchdog(sc)
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struct lge_softc *sc;
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{
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struct ifnet *ifp;
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sc = ifp->if_softc;
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LGE_LOCK_ASSERT(sc);
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ifp = sc->lge_ifp;
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LGE_LOCK(sc);
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ifp->if_oerrors++;
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if_printf(ifp, "watchdog timeout\n");
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@ -1524,9 +1525,6 @@ lge_watchdog(ifp)
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if (ifp->if_snd.ifq_head != NULL)
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lge_start_locked(ifp);
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LGE_UNLOCK(sc);
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return;
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}
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/*
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@ -1542,7 +1540,7 @@ lge_stop(sc)
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LGE_LOCK_ASSERT(sc);
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ifp = sc->lge_ifp;
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ifp->if_timer = 0;
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sc->lge_timer = 0;
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callout_stop(&sc->lge_stat_callout);
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CSR_WRITE_4(sc, LGE_IMR, LGE_IMR_INTR_ENB);
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@ -534,6 +534,7 @@ struct lge_softc {
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u_int8_t lge_link;
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u_int8_t lge_pcs;
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int lge_if_flags;
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int lge_timer;
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struct lge_list_data *lge_ldata;
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struct lge_ring_data lge_cdata;
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struct callout lge_stat_callout;
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@ -140,7 +140,7 @@ static int nve_ioctl(struct ifnet *, u_long, caddr_t);
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static void nve_intr(void *);
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static void nve_tick(void *);
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static void nve_setmulti(struct nve_softc *);
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static void nve_watchdog(struct ifnet *);
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static void nve_watchdog(struct nve_softc *);
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static void nve_update_stats(struct nve_softc *);
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static int nve_ifmedia_upd(struct ifnet *);
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@ -540,8 +540,6 @@ nve_attach(device_t dev)
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = nve_ioctl;
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ifp->if_start = nve_ifstart;
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ifp->if_watchdog = nve_watchdog;
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ifp->if_timer = 0;
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ifp->if_init = nve_init;
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ifp->if_mtu = ETHERMTU;
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ifp->if_baudrate = IF_Mbps(100);
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@ -709,7 +707,7 @@ nve_stop(struct nve_softc *sc)
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DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - entry\n");
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ifp = sc->ifp;
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ifp->if_timer = 0;
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sc->tx_timer = 0;
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/* Cancel tick timer */
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callout_stop(&sc->stat_callout);
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@ -983,7 +981,7 @@ nve_ifstart_locked(struct ifnet *ifp)
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return;
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}
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/* Set watchdog timer. */
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ifp->if_timer = 8;
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sc->tx_timer = 8;
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/* Copy packet to BPF tap */
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BPF_MTAP(ifp, m0);
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@ -1095,7 +1093,7 @@ nve_intr(void *arg)
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/* If no pending packets we don't need a timeout */
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if (sc->pending_txs == 0)
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sc->ifp->if_timer = 0;
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sc->tx_timer = 0;
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NVE_UNLOCK(sc);
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DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - exit\n");
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@ -1236,6 +1234,9 @@ nve_tick(void *xsc)
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if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
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nve_ifstart_locked(ifp);
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}
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if (sc->tx_timer > 0 && --sc->tx_timer == 0)
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nve_watchdog(sc);
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callout_reset(&sc->stat_callout, hz, nve_tick, sc);
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return;
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@ -1307,12 +1308,13 @@ nve_miibus_writereg(device_t dev, int phy, int reg, int data)
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/* Watchdog timer to prevent PHY lockups */
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static void
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nve_watchdog(struct ifnet *ifp)
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nve_watchdog(struct nve_softc *sc)
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{
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struct nve_softc *sc = ifp->if_softc;
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struct ifnet *ifp;
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int pending_txs_start;
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NVE_LOCK(sc);
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NVE_LOCK_ASSERT(sc);
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ifp = sc->ifp;
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/*
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* The nvidia driver blob defers tx completion notifications.
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@ -1328,24 +1330,18 @@ nve_watchdog(struct ifnet *ifp)
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sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX);
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sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX);
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sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX);
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if (sc->pending_txs < pending_txs_start) {
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NVE_UNLOCK(sc);
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if (sc->pending_txs < pending_txs_start)
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return;
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}
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device_printf(sc->dev, "device timeout (%d)\n", sc->pending_txs);
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sc->tx_errors++;
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nve_stop(sc);
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ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
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nve_init_locked(sc);
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if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
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nve_ifstart_locked(ifp);
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NVE_UNLOCK(sc);
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return;
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}
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/* --- Start of NVOSAPI interface --- */
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@ -138,6 +138,7 @@ struct nve_softc {
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device_t miibus;
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device_t dev;
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struct callout stat_callout;
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int tx_timer;
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void *sc_ih;
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bus_space_tag_t sc_st;
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@ -143,7 +143,7 @@ static int pcn_ioctl(struct ifnet *, u_long, caddr_t);
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static void pcn_init(void *);
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static void pcn_init_locked(struct pcn_softc *);
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static void pcn_stop(struct pcn_softc *);
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static void pcn_watchdog(struct ifnet *);
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static void pcn_watchdog(struct pcn_softc *);
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static int pcn_shutdown(device_t);
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static int pcn_ifmedia_upd(struct ifnet *);
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static void pcn_ifmedia_sts(struct ifnet *, struct ifmediareq *);
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@ -630,7 +630,6 @@ pcn_attach(dev)
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = pcn_ioctl;
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ifp->if_start = pcn_start;
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ifp->if_watchdog = pcn_watchdog;
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ifp->if_init = pcn_init;
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ifp->if_snd.ifq_maxlen = PCN_TX_LIST_CNT - 1;
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@ -948,7 +947,7 @@ pcn_txeof(sc)
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sc->pcn_cdata.pcn_tx_cons = idx;
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ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
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}
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ifp->if_timer = (sc->pcn_cdata.pcn_tx_cnt == 0) ? 0 : 5;
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sc->pcn_timer = (sc->pcn_cdata.pcn_tx_cnt == 0) ? 0 : 5;
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return;
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}
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@ -980,6 +979,8 @@ pcn_tick(xsc)
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pcn_start_locked(ifp);
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}
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if (sc->pcn_timer > 0 && --sc->pcn_timer == 0)
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pcn_watchdog(sc);
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callout_reset(&sc->pcn_stat_callout, hz, pcn_tick, sc);
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return;
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@ -1147,7 +1148,7 @@ pcn_start_locked(ifp)
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/*
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* Set a timeout in case the chip goes out to lunch.
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*/
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ifp->if_timer = 5;
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sc->pcn_timer = 5;
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return;
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}
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@ -1429,14 +1430,12 @@ pcn_ioctl(ifp, command, data)
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}
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static void
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pcn_watchdog(ifp)
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struct ifnet *ifp;
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pcn_watchdog(struct pcn_softc *sc)
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{
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struct pcn_softc *sc;
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struct ifnet *ifp;
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sc = ifp->if_softc;
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PCN_LOCK(sc);
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PCN_LOCK_ASSERT(sc);
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ifp = sc->pcn_ifp;
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ifp->if_oerrors++;
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if_printf(ifp, "watchdog timeout\n");
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@ -1447,10 +1446,6 @@ pcn_watchdog(ifp)
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if (ifp->if_snd.ifq_head != NULL)
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pcn_start_locked(ifp);
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PCN_UNLOCK(sc);
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return;
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}
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/*
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@ -1465,7 +1460,7 @@ pcn_stop(struct pcn_softc *sc)
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PCN_LOCK_ASSERT(sc);
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ifp = sc->pcn_ifp;
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ifp->if_timer = 0;
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sc->pcn_timer = 0;
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callout_stop(&sc->pcn_stat_callout);
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@ -465,6 +465,7 @@ struct pcn_softc {
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struct pcn_ring_data pcn_cdata;
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struct callout pcn_stat_callout;
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struct mtx pcn_mtx;
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int pcn_timer;
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};
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#define PCN_LOCK(_sc) mtx_lock(&(_sc)->pcn_mtx)
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@ -281,7 +281,7 @@ static int tl_ioctl(struct ifnet *, u_long, caddr_t);
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static void tl_init(void *);
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static void tl_init_locked(struct tl_softc *);
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static void tl_stop(struct tl_softc *);
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static void tl_watchdog(struct ifnet *);
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static void tl_watchdog(struct tl_softc *);
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static int tl_shutdown(device_t);
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static int tl_ifmedia_upd(struct ifnet *);
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static void tl_ifmedia_sts(struct ifnet *, struct ifmediareq *);
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@ -1260,7 +1260,6 @@ tl_attach(dev)
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = tl_ioctl;
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ifp->if_start = tl_start;
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ifp->if_watchdog = tl_watchdog;
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ifp->if_init = tl_init;
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ifp->if_mtu = ETHERMTU;
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ifp->if_snd.ifq_maxlen = TL_TX_LIST_CNT - 1;
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@ -1337,11 +1336,11 @@ tl_detach(dev)
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/* These should only be active if attach succeeded */
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if (device_is_attached(dev)) {
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ether_ifdetach(ifp);
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TL_LOCK(sc);
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tl_stop(sc);
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TL_UNLOCK(sc);
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callout_drain(&sc->tl_stat_callout);
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ether_ifdetach(ifp);
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}
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if (sc->tl_miibus)
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device_delete_child(dev, sc->tl_miibus);
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@ -1635,7 +1634,7 @@ tl_intvec_txeoc(xsc, type)
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ifp = sc->tl_ifp;
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/* Clear the timeout timer. */
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ifp->if_timer = 0;
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sc->tl_timer = 0;
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if (sc->tl_cdata.tl_tx_head == NULL) {
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ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
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@ -1821,6 +1820,9 @@ tl_stats_update(xsc)
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}
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}
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if (sc->tl_timer > 0 && --sc->tl_timer == 0)
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tl_watchdog(sc);
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callout_reset(&sc->tl_stat_callout, hz, tl_stats_update, sc);
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if (!sc->tl_bitrate) {
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@ -2029,7 +2031,7 @@ tl_start_locked(ifp)
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/*
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* Set a timeout in case the chip goes out to lunch.
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*/
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ifp->if_timer = 5;
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sc->tl_timer = 5;
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return;
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}
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@ -2254,21 +2256,20 @@ tl_ioctl(ifp, command, data)
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}
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static void
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tl_watchdog(ifp)
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struct ifnet *ifp;
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{
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tl_watchdog(sc)
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struct tl_softc *sc;
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{
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struct ifnet *ifp;
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sc = ifp->if_softc;
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TL_LOCK_ASSERT(sc);
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ifp = sc->tl_ifp;
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if_printf(ifp, "device timeout\n");
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TL_LOCK(sc);
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ifp->if_oerrors++;
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tl_softreset(sc, 1);
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tl_init_locked(sc);
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TL_UNLOCK(sc);
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return;
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}
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@ -125,6 +125,7 @@ struct tl_softc {
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int tl_if_flags;
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struct callout tl_stat_callout;
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struct mtx tl_mtx;
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int tl_timer;
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};
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#define TL_LOCK(_sc) mtx_lock(&(_sc)->tl_mtx)
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@ -158,7 +158,7 @@ static int wb_ioctl(struct ifnet *, u_long, caddr_t);
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static void wb_init(void *);
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static void wb_init_locked(struct wb_softc *);
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static void wb_stop(struct wb_softc *);
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static void wb_watchdog(struct ifnet *);
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static void wb_watchdog(struct wb_softc *);
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static int wb_shutdown(device_t);
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static int wb_ifmedia_upd(struct ifnet *);
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static void wb_ifmedia_sts(struct ifnet *, struct ifmediareq *);
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@ -849,7 +849,6 @@ wb_attach(dev)
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = wb_ioctl;
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ifp->if_start = wb_start;
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ifp->if_watchdog = wb_watchdog;
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ifp->if_init = wb_init;
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ifp->if_snd.ifq_maxlen = WB_TX_LIST_CNT - 1;
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@ -907,11 +906,11 @@ wb_detach(dev)
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* This should only be done if attach succeeded.
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*/
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if (device_is_attached(dev)) {
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ether_ifdetach(ifp);
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WB_LOCK(sc);
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wb_stop(sc);
|
||||
WB_UNLOCK(sc);
|
||||
callout_drain(&sc->wb_stat_callout);
|
||||
ether_ifdetach(ifp);
|
||||
}
|
||||
if (sc->wb_miibus)
|
||||
device_delete_child(dev, sc->wb_miibus);
|
||||
|
|
@ -1157,7 +1156,7 @@ wb_txeof(sc)
|
|||
ifp = sc->wb_ifp;
|
||||
|
||||
/* Clear the timeout timer. */
|
||||
ifp->if_timer = 0;
|
||||
sc->wb_timer = 0;
|
||||
|
||||
if (sc->wb_cdata.wb_tx_head == NULL)
|
||||
return;
|
||||
|
|
@ -1212,7 +1211,7 @@ wb_txeoc(sc)
|
|||
|
||||
ifp = sc->wb_ifp;
|
||||
|
||||
ifp->if_timer = 0;
|
||||
sc->wb_timer = 0;
|
||||
|
||||
if (sc->wb_cdata.wb_tx_head == NULL) {
|
||||
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
||||
|
|
@ -1220,7 +1219,7 @@ wb_txeoc(sc)
|
|||
} else {
|
||||
if (WB_TXOWN(sc->wb_cdata.wb_tx_head) == WB_UNSENT) {
|
||||
WB_TXOWN(sc->wb_cdata.wb_tx_head) = WB_TXSTAT_OWN;
|
||||
ifp->if_timer = 5;
|
||||
sc->wb_timer = 5;
|
||||
CSR_WRITE_4(sc, WB_TXSTART, 0xFFFFFFFF);
|
||||
}
|
||||
}
|
||||
|
|
@ -1329,6 +1328,8 @@ wb_tick(xsc)
|
|||
|
||||
mii_tick(mii);
|
||||
|
||||
if (sc->wb_timer > 0 && --sc->wb_timer == 0)
|
||||
wb_watchdog(sc);
|
||||
callout_reset(&sc->wb_stat_callout, hz, wb_tick, sc);
|
||||
|
||||
return;
|
||||
|
|
@ -1529,7 +1530,7 @@ wb_start_locked(ifp)
|
|||
/*
|
||||
* Set a timeout in case the chip goes out to lunch.
|
||||
*/
|
||||
ifp->if_timer = 5;
|
||||
sc->wb_timer = 5;
|
||||
|
||||
return;
|
||||
}
|
||||
|
|
@ -1748,14 +1749,13 @@ wb_ioctl(ifp, command, data)
|
|||
}
|
||||
|
||||
static void
|
||||
wb_watchdog(ifp)
|
||||
struct ifnet *ifp;
|
||||
{
|
||||
wb_watchdog(sc)
|
||||
struct wb_softc *sc;
|
||||
{
|
||||
struct ifnet *ifp;
|
||||
|
||||
sc = ifp->if_softc;
|
||||
|
||||
WB_LOCK(sc);
|
||||
WB_LOCK_ASSERT(sc);
|
||||
ifp = sc->wb_ifp;
|
||||
ifp->if_oerrors++;
|
||||
if_printf(ifp, "watchdog timeout\n");
|
||||
#ifdef foo
|
||||
|
|
@ -1768,7 +1768,6 @@ wb_watchdog(ifp)
|
|||
|
||||
if (ifp->if_snd.ifq_head != NULL)
|
||||
wb_start_locked(ifp);
|
||||
WB_UNLOCK(sc);
|
||||
|
||||
return;
|
||||
}
|
||||
|
|
@ -1786,7 +1785,7 @@ wb_stop(sc)
|
|||
|
||||
WB_LOCK_ASSERT(sc);
|
||||
ifp = sc->wb_ifp;
|
||||
ifp->if_timer = 0;
|
||||
sc->wb_timer = 0;
|
||||
|
||||
callout_stop(&sc->wb_stat_callout);
|
||||
|
||||
|
|
|
|||
|
|
@ -372,6 +372,7 @@ struct wb_softc {
|
|||
u_int8_t wb_type;
|
||||
u_int16_t wb_txthresh;
|
||||
int wb_cachesize;
|
||||
int wb_timer;
|
||||
caddr_t wb_ldata_ptr;
|
||||
struct wb_list_data *wb_ldata;
|
||||
struct wb_chain_data wb_cdata;
|
||||
|
|
|
|||
Loading…
Reference in a new issue