diff options
| -rw-r--r-- | sys/dev/ic/hme.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/sys/dev/ic/hme.c b/sys/dev/ic/hme.c index fe44f1f060d..199b00769a8 100644 --- a/sys/dev/ic/hme.c +++ b/sys/dev/ic/hme.c @@ -1,4 +1,4 @@ -/* $OpenBSD: hme.c,v 1.30 2004/05/12 06:35:10 tedu Exp $ */ +/* $OpenBSD: hme.c,v 1.31 2004/05/31 01:51:30 mcbride Exp $ */ /* $NetBSD: hme.c,v 1.21 2001/07/07 15:59:37 thorpej Exp $ */ /*- @@ -1216,11 +1216,8 @@ hme_setladrf(sc) struct arpcom *ac = &sc->sc_arpcom; bus_space_tag_t t = sc->sc_bustag; bus_space_handle_t mac = sc->sc_mac; - u_char *cp; - u_int32_t crc; u_int32_t hash[4]; - u_int32_t v; - int len; + u_int32_t v, crc; /* Clear hash table */ hash[3] = hash[2] = hash[1] = hash[0] = 0; @@ -1264,25 +1261,7 @@ hme_setladrf(sc) goto chipit; } - cp = enm->enm_addrlo; - crc = 0xffffffff; - for (len = sizeof(enm->enm_addrlo); --len >= 0;) { - int octet = *cp++; - int i; - -#define MC_POLY_LE 0xedb88320UL /* mcast crc, little endian */ - for (i = 0; i < 8; i++) { - if ((crc & 1) ^ (octet & 1)) { - crc >>= 1; - crc ^= MC_POLY_LE; - } else { - crc >>= 1; - } - octet >>= 1; - } - } - /* Just want the 6 most significant bits. */ - crc >>= 26; + crc = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN)>> 26; /* Set the corresponding bit in the filter. */ hash[crc >> 4] |= 1 << (crc & 0xf); |