void
kue_watchdog(struct ifnet *ifp)
{
struct kue_softc *sc = ifp->if_softc;
struct kue_chain *c;
usbd_status stat;
int s;
DPRINTFN(5,("%s: %s: enter\n", sc->kue_dev.dv_xname,__func__));
if (sc->kue_dying)
return;
ifp->if_oerrors++;
printf("%s: watchdog timeout\n", sc->kue_dev.dv_xname);
s = splusb();
c = &sc->kue_cdata.kue_tx_chain[0];
usbd_get_xfer_status(c->kue_xfer, NULL, NULL, NULL, &stat);
kue_txeof(c->kue_xfer, c, stat);
if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
kue_start(ifp);
splx(s);
}
Static void
kue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct kue_chain *c = priv;
struct kue_softc *sc = c->kue_sc;
struct ifnet *ifp = GET_IFP(sc);
int s;
if (sc->kue_dying)
return;
s = splnet();
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->kue_dev),
__func__, status));
ifp->if_timer = 0;
ifp->if_flags &= ~IFF_OACTIVE;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
splx(s);
return;
}
ifp->if_oerrors++;
printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->kue_dev),
usbd_errstr(status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(sc->kue_ep[KUE_ENDPT_TX]);
splx(s);
return;
}
ifp->if_opackets++;
m_freem(c->kue_mbuf);
c->kue_mbuf = NULL;
if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
kue_start(ifp);
splx(s);
}
