diff options
| author | naddy <naddy@FreeBSD.org> | 2004-06-09 14:34:04 +0000 |
|---|---|---|
| committer | naddy <naddy@FreeBSD.org> | 2004-06-09 14:34:04 +0000 |
| commit | 03b06cd9a3bb0e9d75237994d18bd6d3b6469ac1 (patch) | |
| tree | 63c1a8adb963adf2b159557569195cbc8c219d33 /sys/pci/if_ste.c | |
| parent | d57aeb149e038b4931b3859597fe80119588eebc (diff) | |
| download | FreeBSD-src-03b06cd9a3bb0e9d75237994d18bd6d3b6469ac1.zip FreeBSD-src-03b06cd9a3bb0e9d75237994d18bd6d3b6469ac1.tar.gz | |
Replace handrolled CRC calculation with ether_crc32_[lb]e().
Diffstat (limited to 'sys/pci/if_ste.c')
| -rw-r--r-- | sys/pci/if_ste.c | 31 |
1 files changed, 2 insertions, 29 deletions
diff --git a/sys/pci/if_ste.c b/sys/pci/if_ste.c index c1e60d1..4cd92fc 100644 --- a/sys/pci/if_ste.c +++ b/sys/pci/if_ste.c @@ -122,7 +122,6 @@ static void ste_miibus_statchg (device_t); static int ste_eeprom_wait (struct ste_softc *); static int ste_read_eeprom (struct ste_softc *, caddr_t, int, int, int); static void ste_wait (struct ste_softc *); -static u_int8_t ste_calchash (caddr_t); static void ste_setmulti (struct ste_softc *); static int ste_init_rx_list (struct ste_softc *); static void ste_init_tx_list (struct ste_softc *); @@ -560,33 +559,6 @@ ste_read_eeprom(sc, dest, off, cnt, swap) return(err ? 1 : 0); } -static u_int8_t -ste_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 & 0x0000003F); -} - static void ste_setmulti(sc) struct ste_softc *sc; @@ -613,7 +585,8 @@ ste_setmulti(sc) TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; - h = ste_calchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); + h = ether_crc32_be(LLADDR((struct sockaddr_dl *) + ifma->ifma_addr), ETHER_ADDR_LEN) & 0x3F; if (h < 32) hashes[0] |= (1 << h); else |
