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);
}
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);
}
