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| author | yongari <yongari@FreeBSD.org> | 2009-12-23 17:46:11 +0000 |
|---|---|---|
| committer | yongari <yongari@FreeBSD.org> | 2009-12-23 17:46:11 +0000 |
| commit | 1469c6e0a82e5624f13c1af33c8427bea5c83cef (patch) | |
| tree | a9efbfcd6e945f89300cea633c439b8f76117c94 | |
| parent | a0fa5bcb40b1e91b2066aef7b3d02ed0547abea1 (diff) | |
| download | FreeBSD-src-1469c6e0a82e5624f13c1af33c8427bea5c83cef.zip FreeBSD-src-1469c6e0a82e5624f13c1af33c8427bea5c83cef.tar.gz | |
Don't reinitialize controller if driver is already running. This
reduces number of link state UP/DOWN changes.
| -rw-r--r-- | sys/dev/ste/if_ste.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/dev/ste/if_ste.c b/sys/dev/ste/if_ste.c index f25c9cf..1ca3f3c 100644 --- a/sys/dev/ste/if_ste.c +++ b/sys/dev/ste/if_ste.c @@ -643,8 +643,10 @@ ste_poll_locked(struct ifnet *ifp, enum poll_cmd cmd, int count) if (status & STE_ISR_STATS_OFLOW) ste_stats_update(sc); - if (status & STE_ISR_HOSTERR) + if (status & STE_ISR_HOSTERR) { + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; ste_init_locked(sc); + } } return (rx_npkts); } @@ -692,8 +694,10 @@ ste_intr(void *xsc) if (status & STE_ISR_STATS_OFLOW) ste_stats_update(sc); - if (status & STE_ISR_HOSTERR) + if (status & STE_ISR_HOSTERR) { ste_init_locked(sc); + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; + } } /* Re-enable interrupts */ @@ -832,6 +836,7 @@ ste_txeoc(struct ste_softc *sc) STE_SETBIT4(sc, STE_DMACTL, STE_DMACTL_TXDMA_STALL); ste_wait(sc); + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; ste_init_locked(sc); break; } @@ -1548,6 +1553,9 @@ ste_init_locked(struct ste_softc *sc) STE_LOCK_ASSERT(sc); ifp = sc->ste_ifp; + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + return; + ste_stop(sc); /* Reset the chip to a known state. */ ste_reset(sc); @@ -2005,6 +2013,7 @@ ste_watchdog(struct ste_softc *sc) ste_txeof(sc); ste_txeoc(sc); ste_rxeof(sc, -1); + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; ste_init_locked(sc); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) |
