diff options
-rw-r--r-- | sys/dev/pci/if_bge.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/sys/dev/pci/if_bge.c b/sys/dev/pci/if_bge.c index a5856001f67..ce1e83b99f9 100644 --- a/sys/dev/pci/if_bge.c +++ b/sys/dev/pci/if_bge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bge.c,v 1.26 2004/05/25 04:59:10 mcbride Exp $ */ +/* $OpenBSD: if_bge.c,v 1.27 2004/05/29 23:07:48 naddy Exp $ */ /* * Copyright (c) 2001 Wind River Systems * Copyright (c) 1997, 1998, 1999, 2001 @@ -141,7 +141,6 @@ void bge_ifmedia_sts(struct ifnet *, struct ifmediareq *); u_int8_t bge_eeprom_getbyte(struct bge_softc *, int, u_int8_t *); int bge_read_eeprom(struct bge_softc *, caddr_t, int, int); -u_int32_t bge_crc(caddr_t); void bge_setmulti(struct bge_softc *); void bge_handle_events(struct bge_softc *); @@ -925,25 +924,6 @@ bge_init_tx_ring(sc) return(0); } -#define BGE_POLY 0xEDB88320 - -u_int32_t -bge_crc(addr) - caddr_t addr; -{ - u_int32_t idx, bit, data, crc; - - /* Compute CRC for the address value. */ - crc = 0xFFFFFFFF; /* initial value */ - - for (idx = 0; idx < 6; idx++) { - for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) - crc = (crc >> 1) ^ (((crc ^ data) & 1) ? BGE_POLY : 0); - } - - return(crc & 0x7F); -} - void bge_setmulti(sc) struct bge_softc *sc; @@ -956,20 +936,25 @@ bge_setmulti(sc) u_int32_t h; int i; + /* First, zot all the existing filters. */ + for (i = 0; i < 4; i++) + CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), 0); + + /* Now program new ones. */ +allmulti: if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { for (i = 0; i < 4; i++) CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), 0xFFFFFFFF); return; } - /* First, zot all the existing filters. */ - for (i = 0; i < 4; i++) - CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), 0); - - /* Now program new ones. */ ETHER_FIRST_MULTI(step, ac, enm); while (enm != NULL) { - h = bge_crc(LLADDR((struct sockaddr_dl *)enm->enm_addrlo)); + if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { + ifp->if_flags |= IFF_ALLMULTI; + goto allmulti; + } + h = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x7F; hashes[(h & 0x60) >> 5] |= 1 << (h & 0x1F); ETHER_NEXT_MULTI(step, enm); } @@ -2725,8 +2710,13 @@ bge_ioctl(ifp, command, data) break; case SIOCADDMULTI: case SIOCDELMULTI: - if (ifp->if_flags & IFF_RUNNING) { - bge_setmulti(sc); + error = (command == SIOCADDMULTI) + ? ether_addmulti(ifr, &sc->arpcom) + : ether_delmulti(ifr, &sc->arpcom); + + if (error == ENETRESET) { + if (ifp->if_flags & IFF_RUNNING) + bge_setmulti(sc); error = 0; } break; |