diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-03-30 09:51:18 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-04-01 09:15:29 +0200 |
| commit | dd1feda161ce70881cb9c1f90f4ef694d7f41a9f (patch) | |
| tree | 45e0cbc03a84179950795bf9e719f9538a429424 | |
| parent | if_dwc: Avoid NULL pointer access (diff) | |
| download | rtems-libbsd-dd1feda161ce70881cb9c1f90f4ef694d7f41a9f.tar.bz2 | |
if_dwc: Fix transmit starvation
| -rw-r--r-- | freebsd/sys/dev/dwc/if_dwc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/freebsd/sys/dev/dwc/if_dwc.c b/freebsd/sys/dev/dwc/if_dwc.c index 33240ead..863816d2 100644 --- a/freebsd/sys/dev/dwc/if_dwc.c +++ b/freebsd/sys/dev/dwc/if_dwc.c @@ -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; |