/*
* reset and restart the SONIC. Called in case of fatal
* hardware/software errors.
*/
static void
snreset(struct sn_softc *sc)
{
snstop(sc);
sninit(sc);
}
static int
snioctl(struct ifnet *ifp, u_long cmd, void *data)
{
struct ifaddr *ifa;
struct sn_softc *sc = ifp->if_softc;
int s = splnet(), err = 0;
int temp;
switch (cmd) {
case SIOCINITIFADDR:
ifa = (struct ifaddr *)data;
ifp->if_flags |= IFF_UP;
(void)sninit(sc);
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
arp_ifinit(ifp, ifa);
break;
#endif
default:
break;
}
break;
case SIOCSIFFLAGS:
if ((err = ifioctl_common(ifp, cmd, data)) != 0)
break;
if ((ifp->if_flags & IFF_UP) == 0 &&
(ifp->if_flags & IFF_RUNNING) != 0) {
/*
* If interface is marked down and it is running,
* then stop it.
*/
snstop(sc);
ifp->if_flags &= ~IFF_RUNNING;
} else if ((ifp->if_flags & IFF_UP) != 0 &&
(ifp->if_flags & IFF_RUNNING) == 0) {
/*
* If interface is marked up and it is stopped,
* then start it.
*/
(void)sninit(sc);
} else {
/*
* reset the interface to pick up any other changes
* in flags
*/
temp = ifp->if_flags & IFF_UP;
snreset(sc);
ifp->if_flags |= temp;
snstart(ifp);
}
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
if ((err = ether_ioctl(ifp, cmd, data)) == ENETRESET) {
/*
* Multicast list has changed; set the hardware
* filter accordingly. But remember UP flag!
*/
if (ifp->if_flags & IFF_RUNNING) {
temp = ifp->if_flags & IFF_UP;
snreset(sc);
ifp->if_flags |= temp;
}
err = 0;
}
break;
default:
err = ether_ioctl(ifp, cmd, data);
break;
}
splx(s);
return err;
}
int
sn_attach(device_t dev)
{
struct sn_softc *sc = device_get_softc(dev);
struct ifnet *ifp = &sc->arpcom.ac_if;
u_short i;
u_char *p;
int rev;
u_short address;
int j;
int error;
sn_activate(dev);
snstop(sc);
sc->dev = dev;
sc->pages_wanted = -1;
device_printf(dev, " ");
SMC_SELECT_BANK(3);
rev = inw(BASE + REVISION_REG_W);
if (chip_ids[(rev >> 4) & 0xF])
kprintf("%s ", chip_ids[(rev >> 4) & 0xF]);
SMC_SELECT_BANK(1);
i = inw(BASE + CONFIG_REG_W);
kprintf("%s\n", i & CR_AUI_SELECT ? "AUI" : "UTP");
if (sc->pccard_enaddr)
for (j = 0; j < 3; j++) {
u_short w;
w = (u_short)sc->arpcom.ac_enaddr[j * 2] |
(((u_short)sc->arpcom.ac_enaddr[j * 2 + 1]) << 8);
outw(BASE + IAR_ADDR0_REG_W + j * 2, w);
}
/*
* Read the station address from the chip. The MAC address is bank 1,
* regs 4 - 9
*/
SMC_SELECT_BANK(1);
p = (u_char *) & sc->arpcom.ac_enaddr;
for (i = 0; i < 6; i += 2) {
address = inw(BASE + IAR_ADDR0_REG_W + i);
p[i + 1] = address >> 8;
p[i] = address & 0xFF;
}
ifp->if_softc = sc;
if_initname(ifp, "sn", device_get_unit(dev));
ifp->if_mtu = ETHERMTU;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_start = snstart;
ifp->if_ioctl = snioctl;
ifp->if_watchdog = snwatchdog;
ifp->if_init = sninit;
ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
ifq_set_ready(&ifp->if_snd);
ifp->if_timer = 0;
ether_ifattach(ifp, sc->arpcom.ac_enaddr, NULL);
ifq_set_cpuid(&ifp->if_snd, rman_get_cpuid(sc->irq_res));
error = bus_setup_intr(dev, sc->irq_res, INTR_MPSAFE,
sn_intr, sc, &sc->intrhand,
ifp->if_serializer);
if (error) {
ether_ifdetach(ifp);
sn_deactivate(dev);
return error;
}
return 0;
}
