void
smsc_setmulti(struct smsc_softc *sc)
{
struct ifnet *ifp = &sc->sc_ec.ec_if;
struct ether_multi *enm;
struct ether_multistep step;
uint32_t hashtbl[2] = { 0, 0 };
uint32_t hash;
if (sc->sc_dying)
return;
if (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC)) {
allmulti:
smsc_dbg_printf(sc, "receive all multicast enabled\n");
sc->sc_mac_csr |= SMSC_MAC_CSR_MCPAS;
sc->sc_mac_csr &= ~SMSC_MAC_CSR_HPFILT;
smsc_write_reg(sc, SMSC_MAC_CSR, sc->sc_mac_csr);
return;
} else {
sc->sc_mac_csr |= SMSC_MAC_CSR_HPFILT;
sc->sc_mac_csr &= ~(SMSC_MAC_CSR_PRMS | SMSC_MAC_CSR_MCPAS);
}
ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
while (enm != NULL) {
if (memcmp(enm->enm_addrlo, enm->enm_addrhi,
ETHER_ADDR_LEN) != 0)
goto allmulti;
hash = smsc_hash(enm->enm_addrlo);
hashtbl[hash >> 5] |= 1 << (hash & 0x1F);
ETHER_NEXT_MULTI(step, enm);
}
/* Debug */
if (sc->sc_mac_csr & SMSC_MAC_CSR_HPFILT) {
smsc_dbg_printf(sc, "receive select group of macs\n");
} else {
smsc_dbg_printf(sc, "receive own packets only\n");
}
/* Write the hash table and mac control registers */
ifp->if_flags &= ~IFF_ALLMULTI;
smsc_write_reg(sc, SMSC_HASHH, hashtbl[1]);
smsc_write_reg(sc, SMSC_HASHL, hashtbl[0]);
smsc_write_reg(sc, SMSC_MAC_CSR, sc->sc_mac_csr);
}
void
smsc_iff(struct smsc_softc *sc)
{
struct ifnet *ifp = &sc->sc_ac.ac_if;
struct arpcom *ac = &sc->sc_ac;
struct ether_multi *enm;
struct ether_multistep step;
uint32_t hashtbl[2] = { 0, 0 };
uint32_t hash;
if (usbd_is_dying(sc->sc_udev))
return;
sc->sc_mac_csr &= ~(SMSC_MAC_CSR_HPFILT | SMSC_MAC_CSR_MCPAS |
SMSC_MAC_CSR_PRMS);
ifp->if_flags &= ~IFF_ALLMULTI;
if (ifp->if_flags & IFF_PROMISC || ac->ac_multirangecnt > 0) {
ifp->if_flags |= IFF_ALLMULTI;
sc->sc_mac_csr |= SMSC_MAC_CSR_MCPAS;
if (ifp->if_flags & IFF_PROMISC)
sc->sc_mac_csr |= SMSC_MAC_CSR_PRMS;
} else {
sc->sc_mac_csr |= SMSC_MAC_CSR_HPFILT;
ETHER_FIRST_MULTI(step, ac, enm);
while (enm != NULL) {
hash = smsc_hash(enm->enm_addrlo);
hashtbl[hash >> 5] |= 1 << (hash & 0x1F);
ETHER_NEXT_MULTI(step, enm);
}
}
/* Debug */
if (sc->sc_mac_csr & SMSC_MAC_CSR_MCPAS)
smsc_dbg_printf(sc, "receive all multicast enabled\n");
else if (sc->sc_mac_csr & SMSC_MAC_CSR_HPFILT)
smsc_dbg_printf(sc, "receive select group of macs\n");
/* Write the hash table and mac control registers */
smsc_write_reg(sc, SMSC_HASHH, hashtbl[1]);
smsc_write_reg(sc, SMSC_HASHL, hashtbl[0]);
smsc_write_reg(sc, SMSC_MAC_CSR, sc->sc_mac_csr);
}
