/* Watchdog timer handler. */
void
bce_watchdog(struct ifnet *ifp)
{
struct bce_softc *sc = ifp->if_softc;
printf("%s: device timeout\n", sc->bce_dev.dv_xname);
ifp->if_oerrors++;
(void) bce_init(ifp);
/* Try to get more packets going. */
bce_start(ifp);
}
/* Watchdog timer handler. */
static void
bce_watchdog(struct ifnet *ifp)
{
struct bce_softc *sc = ifp->if_softc;
aprint_error_dev(sc->bce_dev, "device timeout\n");
ifp->if_oerrors++;
(void) bce_init(ifp);
/* Try to get more packets going. */
bce_start(ifp);
}
/* handle media, and ethernet requests */
static int
bce_ioctl(struct ifnet *ifp, u_long cmd, void *data)
{
int s, error;
s = splnet();
error = ether_ioctl(ifp, cmd, data);
if (error == ENETRESET) {
/* change multicast list */
error = 0;
}
/* Try to get more packets going. */
bce_start(ifp);
splx(s);
return error;
}
int
bce_intr(void *xsc)
{
struct bce_softc *sc;
struct ifnet *ifp;
u_int32_t intstatus;
int wantinit;
int handled = 0;
sc = xsc;
ifp = &sc->bce_ac.ac_if;
for (wantinit = 0; wantinit == 0;) {
intstatus = bus_space_read_4(sc->bce_btag, sc->bce_bhandle,
BCE_INT_STS);
/* ignore if not ours, or unsolicited interrupts */
intstatus &= sc->bce_intmask;
if (intstatus == 0)
break;
handled = 1;
/* Ack interrupt */
bus_space_write_4(sc->bce_btag, sc->bce_bhandle, BCE_INT_STS,
intstatus);
/* Receive interrupts. */
if (intstatus & I_RI)
bce_rxintr(sc);
/* Transmit interrupts. */
if (intstatus & I_XI)
bce_txintr(sc);
/* Error interrupts */
if (intstatus & ~(I_RI | I_XI)) {
if (intstatus & I_XU)
printf("%s: transmit fifo underflow\n",
sc->bce_dev.dv_xname);
if (intstatus & I_RO) {
printf("%s: receive fifo overflow\n",
sc->bce_dev.dv_xname);
ifp->if_ierrors++;
}
if (intstatus & I_RU)
printf("%s: receive descriptor underflow\n",
sc->bce_dev.dv_xname);
if (intstatus & I_DE)
printf("%s: descriptor protocol error\n",
sc->bce_dev.dv_xname);
if (intstatus & I_PD)
printf("%s: data error\n",
sc->bce_dev.dv_xname);
if (intstatus & I_PC)
printf("%s: descriptor error\n",
sc->bce_dev.dv_xname);
if (intstatus & I_TO)
printf("%s: general purpose timeout\n",
sc->bce_dev.dv_xname);
wantinit = 1;
}
}
if (handled) {
if (wantinit)
bce_init(ifp);
/* Try to get more packets going. */
bce_start(ifp);
}
return (handled);
}
/* handle media, and ethernet requests */
int
bce_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct bce_softc *sc = ifp->if_softc;
struct ifreq *ifr = (struct ifreq *) data;
struct ifaddr *ifa = (struct ifaddr *)data;
int s, error = 0;
s = splnet();
if ((error = ether_ioctl(ifp, &sc->bce_ac, cmd, data)) > 0) {
splx(s);
return (error);
}
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
bce_init(ifp);
arp_ifinit(&sc->bce_ac, ifa);
break;
#endif /* INET */
default:
bce_init(ifp);
break;
}
break;
case SIOCSIFMTU:
if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU)
error = EINVAL;
else if (ifp->if_mtu != ifr->ifr_mtu)
ifp->if_mtu = ifr->ifr_mtu;
break;
case SIOCSIFFLAGS:
if(ifp->if_flags & IFF_UP)
if(ifp->if_flags & IFF_RUNNING)
bce_set_filter(ifp);
else
bce_init(ifp);
else if(ifp->if_flags & IFF_RUNNING)
bce_stop(ifp, 0);
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
error = (cmd == SIOCADDMULTI) ?
ether_addmulti(ifr, &sc->bce_ac) :
ether_delmulti(ifr, &sc->bce_ac);
if (error == ENETRESET) {
/*
* Multicast list has changed; set the hardware
* filter accordingly.
*/
if (ifp->if_flags & IFF_RUNNING)
bce_set_filter(ifp);
error = 0;
}
break;
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
error = ifmedia_ioctl(ifp, ifr, &sc->bce_mii.mii_media, cmd);
break;
default:
error = ENOTTY;
break;
}
if (error == 0) {
/* Try to get more packets going. */
bce_start(ifp);
}
splx(s);
return error;
}
int
bce_intr(void *xsc)
{
struct bce_softc *sc;
struct ifnet *ifp;
uint32_t intstatus;
int wantinit;
int handled = 0;
sc = xsc;
ifp = &sc->ethercom.ec_if;
for (wantinit = 0; wantinit == 0;) {
intstatus = bus_space_read_4(sc->bce_btag, sc->bce_bhandle,
BCE_INT_STS);
/* ignore if not ours, or unsolicited interrupts */
intstatus &= sc->bce_intmask;
if (intstatus == 0)
break;
handled = 1;
/* Ack interrupt */
bus_space_write_4(sc->bce_btag, sc->bce_bhandle, BCE_INT_STS,
intstatus);
/* Receive interrupts. */
if (intstatus & I_RI)
bce_rxintr(sc);
/* Transmit interrupts. */
if (intstatus & I_XI)
bce_txintr(sc);
/* Error interrupts */
if (intstatus & ~(I_RI | I_XI)) {
const char *msg = NULL;
if (intstatus & I_XU)
msg = "transmit fifo underflow";
if (intstatus & I_RO) {
msg = "receive fifo overflow";
ifp->if_ierrors++;
}
if (intstatus & I_RU)
msg = "receive descriptor underflow";
if (intstatus & I_DE)
msg = "descriptor protocol error";
if (intstatus & I_PD)
msg = "data error";
if (intstatus & I_PC)
msg = "descriptor error";
if (intstatus & I_TO)
msg = "general purpose timeout";
if (msg != NULL)
aprint_error_dev(sc->bce_dev, "%s\n", msg);
wantinit = 1;
}
}
if (handled) {
if (wantinit)
bce_init(ifp);
rnd_add_uint32(&sc->rnd_source, intstatus);
/* Try to get more packets going. */
bce_start(ifp);
}
return (handled);
}
