diff options
Diffstat (limited to 'drivers/staging/vt6656/tether.c')
| -rw-r--r-- | drivers/staging/vt6656/tether.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/staging/vt6656/tether.c b/drivers/staging/vt6656/tether.c index c90b469ad545..4f368f174b21 100644 --- a/drivers/staging/vt6656/tether.c +++ b/drivers/staging/vt6656/tether.c @@ -61,25 +61,25 @@ * Return Value: Hash value * */ -BYTE ETHbyGetHashIndexByCrc32 (PBYTE pbyMultiAddr) +BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr) { - int ii; - BYTE byTmpHash; - BYTE byHash = 0; + int ii; + BYTE byTmpHash; + BYTE byHash = 0; - // get the least 6-bits from CRC generator - byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, U_ETHER_ADDR_LEN, - 0xFFFFFFFFL) & 0x3F); - // reverse most bit to least bit - for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) { - byHash <<= 1; - if (byTmpHash & 0x01) - byHash |= 1; - byTmpHash >>= 1; - } + /* get the least 6-bits from CRC generator */ + byTmpHash = (BYTE)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN, + 0xFFFFFFFFL) & 0x3F); + /* reverse most bit to least bit */ + for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) { + byHash <<= 1; + if (byTmpHash & 0x01) + byHash |= 1; + byTmpHash >>= 1; + } - // adjust 6-bits to the right most - return (byHash >> 2); + /* adjust 6-bits to the right most */ + return byHash >> 2; } @@ -96,14 +96,13 @@ BYTE ETHbyGetHashIndexByCrc32 (PBYTE pbyMultiAddr) * Return Value: TRUE if ok; FALSE if error. * */ -BOOL ETHbIsBufferCrc32Ok (PBYTE pbyBuffer, UINT cbFrameLength) +BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength) { - DWORD dwCRC; + DWORD dwCRC; - dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4); - if (cpu_to_le32(*((PDWORD)(pbyBuffer + cbFrameLength - 4))) != dwCRC) { - return FALSE; - } - return TRUE; + dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4); + if (cpu_to_le32(*((PDWORD)(pbyBuffer + cbFrameLength - 4))) != dwCRC) + return FALSE; + return TRUE; } |