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_sis.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_sis.c')
| -rw-r--r-- | sys/pci/if_sis.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/sys/pci/if_sis.c b/sys/pci/if_sis.c index 332274b..72789f7 100644 --- a/sys/pci/if_sis.c +++ b/sys/pci/if_sis.c @@ -842,21 +842,10 @@ sis_mchash(sc, addr) struct sis_softc *sc; const uint8_t *addr; { - uint32_t crc, carry; - int idx, bit; - uint8_t data; + uint32_t 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) { - carry = ((crc & 0x80000000) ? 1 : 0) ^ (data & 0x01); - crc <<= 1; - if (carry) - crc = (crc ^ 0x04c11db6) | carry; - } - } + crc = ether_crc32_be(addr, ETHER_ADDR_LEN); /* * return the filter bit position |
