diff options
Diffstat (limited to 'sys/pci/if_pcn.c')
| -rw-r--r-- | sys/pci/if_pcn.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/sys/pci/if_pcn.c b/sys/pci/if_pcn.c index cc0b99987880..daf607604a2e 100644 --- a/sys/pci/if_pcn.c +++ b/sys/pci/if_pcn.c @@ -137,7 +137,6 @@ static void pcn_miibus_statchg (device_t); static void pcn_setfilt (struct ifnet *); static void pcn_setmulti (struct pcn_softc *); -static uint32_t pcn_mchash (const uint8_t *); static void pcn_reset (struct pcn_softc *); static int pcn_list_rx_init (struct pcn_softc *); static int pcn_list_tx_init (struct pcn_softc *); @@ -307,27 +306,6 @@ pcn_miibus_statchg(dev) return; } -#define DC_POLY 0xEDB88320 - -static u_int32_t -pcn_mchash(addr) - const uint8_t *addr; -{ - uint32_t crc; - int idx, bit; - uint8_t data; - - /* 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) ? DC_POLY : 0); - } - - return ((crc >> 26) & 0x3F); -} - static void pcn_setmulti(sc) struct pcn_softc *sc; @@ -356,7 +334,8 @@ pcn_setmulti(sc) TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; - h = pcn_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); + h = ether_crc32_le(LLADDR((struct sockaddr_dl *) + ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; hashes[h >> 4] |= 1 << (h & 0xF); } |