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if_dwc: Fix transmit starvation

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This commit is contained in:
Sebastian Huber 2015-03-30 09:51:18 +02:00
parent 1535c87c81
commit dd1feda161
1 changed files with 5 additions and 5 deletions
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10
freebsd/sys/dev/dwc/if_dwc.c
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@ -321,10 +321,6 @@ dwc_txstart_locked(struct dwc_softc *sc)
ifp = sc->ifp;
if (ifp->if_drv_flags & IFF_DRV_OACTIVE) {
return;
}
enqueued = 0;
for (;;) {
@ -357,7 +353,8 @@ dwc_txstart(struct ifnet *ifp)
struct dwc_softc *sc = ifp->if_softc;
DWC_LOCK(sc);
dwc_txstart_locked(sc);
if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0)
dwc_txstart_locked(sc);
DWC_UNLOCK(sc);
}
@ -824,6 +821,9 @@ dwc_txfinish_locked(struct dwc_softc *sc)
sc->tx_idx_tail = next_txidx(sc, sc->tx_idx_tail);
}
sc->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
dwc_txstart_locked(sc);
/* If there are no buffers outstanding, muzzle the watchdog. */
if (sc->tx_idx_tail == sc->tx_idx_head) {
sc->tx_watchdog_count = 0;