diff options
Diffstat (limited to 'sys/dev/ic/rtl81x9.c')
| -rw-r--r-- | sys/dev/ic/rtl81x9.c | 38 |
1 files changed, 7 insertions, 31 deletions
diff --git a/sys/dev/ic/rtl81x9.c b/sys/dev/ic/rtl81x9.c index dcd99aeca5c..94705284561 100644 --- a/sys/dev/ic/rtl81x9.c +++ b/sys/dev/ic/rtl81x9.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rtl81x9.c,v 1.25 2004/05/19 11:36:59 brad Exp $ */ +/* $OpenBSD: rtl81x9.c,v 1.26 2004/06/06 17:56:36 mcbride Exp $ */ /* * Copyright (c) 1997, 1998 @@ -160,7 +160,6 @@ int rl_miibus_readreg(struct device *, int, int); void rl_miibus_writereg(struct device *, int, int, int); void rl_miibus_statchg(struct device *); -u_int8_t rl_calchash(caddr_t); void rl_setmulti(struct rl_softc *); void rl_reset(struct rl_softc *); int rl_list_tx_init(struct rl_softc *); @@ -461,34 +460,6 @@ int rl_mii_writereg(sc, frame) } /* - * Calculate CRC of a multicast group address, return the upper 6 bits. - */ -u_int8_t rl_calchash(addr) - caddr_t addr; -{ - u_int32_t crc, carry; - int i, j; - u_int8_t c; - - /* Compute CRC for the address value. */ - crc = 0xFFFFFFFF; /* initial value */ - - for (i = 0; i < 6; i++) { - c = *(addr + i); - for (j = 0; j < 8; j++) { - carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01); - crc <<= 1; - c >>= 1; - if (carry) - crc = (crc ^ 0x04c11db6) | carry; - } - } - - /* return the filter bit position */ - return(crc >> 26); -} - -/* * Program the 64-bit multicast hash filter. */ void rl_setmulti(sc) @@ -507,6 +478,7 @@ void rl_setmulti(sc) rxfilt = CSR_READ_4(sc, RL_RXCFG); +allmulti: if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { rxfilt |= RL_RXCFG_RX_MULTI; CSR_WRITE_4(sc, RL_RXCFG, rxfilt); @@ -522,8 +494,12 @@ void rl_setmulti(sc) /* now program new ones */ ETHER_FIRST_MULTI(step, ac, enm); while (enm != NULL) { + if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { + ifp->if_flags |= IFF_ALLMULTI; + goto allmulti; + } mcnt++; - h = rl_calchash(enm->enm_addrlo); + h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; if (h < 32) hashes[0] |= (1 << h); else |