/* detach */
int
url_detach(device_t self, int flags)
{
struct url_softc *sc = device_private(self);
struct ifnet *ifp = GET_IFP(sc);
int s;
DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__));
/* Detached before attached finished */
if (!sc->sc_attached)
return (0);
callout_stop(&sc->sc_stat_ch);
/* Remove any pending tasks */
usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
s = splusb();
if (--sc->sc_refcnt >= 0) {
/* Wait for processes to go away */
usb_detach_waitold(sc->sc_dev);
}
if (ifp->if_flags & IFF_RUNNING)
url_stop(GET_IFP(sc), 1);
rnd_detach_source(&sc->rnd_source);
mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
ether_ifdetach(ifp);
if_detach(ifp);
#ifdef DIAGNOSTIC
if (sc->sc_pipe_tx != NULL)
aprint_debug_dev(self, "detach has active tx endpoint.\n");
if (sc->sc_pipe_rx != NULL)
aprint_debug_dev(self, "detach has active rx endpoint.\n");
if (sc->sc_pipe_intr != NULL)
aprint_debug_dev(self, "detach has active intr endpoint.\n");
#endif
sc->sc_attached = 0;
splx(s);
rw_destroy(&sc->sc_mii_rwlock);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
sc->sc_dev);
return (0);
}
Static int
url_init(struct ifnet *ifp)
{
struct url_softc *sc = ifp->if_softc;
struct mii_data *mii = GET_MII(sc);
u_char *eaddr;
int i, s;
DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
if (sc->sc_dying)
return (EIO);
s = splnet();
/* Cancel pending I/O and free all TX/RX buffers */
url_stop(ifp, 1);
#if defined(__OpenBSD__)
eaddr = sc->sc_ac.ac_enaddr;
#elif defined(__NetBSD__)
eaddr = LLADDR(ifp->if_sadl);
#endif
for (i = 0; i < ETHER_ADDR_LEN; i++)
url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]);
/* Init transmission control register */
URL_CLRBIT(sc, URL_TCR,
URL_TCR_TXRR1 | URL_TCR_TXRR0 |
URL_TCR_IFG1 | URL_TCR_IFG0 |
URL_TCR_NOCRC);
/* Init receive control register */
URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD);
if (ifp->if_flags & IFF_BROADCAST)
URL_SETBIT2(sc, URL_RCR, URL_RCR_AB);
else
URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB);
/* If we want promiscuous mode, accept all physical frames. */
if (ifp->if_flags & IFF_PROMISC)
URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
else
URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP);
/* Initialize transmit ring */
if (url_tx_list_init(sc) == ENOBUFS) {
printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev));
splx(s);
return (EIO);
}
/* Initialize receive ring */
if (url_rx_list_init(sc) == ENOBUFS) {
printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev));
splx(s);
return (EIO);
}
/* Load the multicast filter */
url_setmulti(sc);
/* Enable RX and TX */
URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE);
mii_mediachg(mii);
if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) {
if (url_openpipes(sc)) {
splx(s);
return (EIO);
}
}
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
splx(s);
usb_callout(sc->sc_stat_ch, hz, url_tick, sc);
return (0);
}
Static void
url_stop_task(struct url_softc *sc)
{
url_stop(GET_IFP(sc), 1);
}
Static int
url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct url_softc *sc = ifp->if_softc;
struct ifaddr *ifa = (struct ifaddr *)data;
struct ifreq *ifr = (struct ifreq *)data;
struct mii_data *mii;
int s, error = 0;
DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__));
if (sc->sc_dying)
return (EIO);
s = splnet();
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
url_init(ifp);
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
arp_ifinit(&sc->sc_ac, ifa);
break;
#endif /* INET */
}
break;
case SIOCSIFMTU:
if (ifr->ifr_mtu > ETHERMTU)
error = EINVAL;
else
ifp->if_mtu = ifr->ifr_mtu;
break;
case SIOCSIFFLAGS:
if (ifp->if_flags & IFF_UP) {
if (ifp->if_flags & IFF_RUNNING &&
ifp->if_flags & IFF_PROMISC) {
URL_SETBIT2(sc, URL_RCR,
URL_RCR_AAM|URL_RCR_AAP);
} else if (ifp->if_flags & IFF_RUNNING &&
!(ifp->if_flags & IFF_PROMISC)) {
URL_CLRBIT2(sc, URL_RCR,
URL_RCR_AAM|URL_RCR_AAP);
} else if (!(ifp->if_flags & IFF_RUNNING))
url_init(ifp);
} else {
if (ifp->if_flags & IFF_RUNNING)
url_stop(ifp, 1);
}
error = 0;
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
error = (cmd == SIOCADDMULTI) ?
ether_addmulti(ifr, &sc->sc_ac) :
ether_delmulti(ifr, &sc->sc_ac);
if (error == ENETRESET) {
if (ifp->if_flags & IFF_RUNNING)
url_setmulti(sc);
error = 0;
}
break;
case SIOCGIFMEDIA:
case SIOCSIFMEDIA:
mii = GET_MII(sc);
error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
break;
default:
error = EINVAL;
break;
}
splx(s);
return (error);
}
