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| author | Stephen Hemminger <shemminger@osdl.org> | 2006-12-01 16:10:50 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-12-02 00:22:30 -0500 |
| commit | 6b4bdde61bd1f8451801e5fb092cbe2d1050984e (patch) | |
| tree | d9d7b854aed6eca49de9d8f600466130bd885efb /drivers/net/amd8111e.c | |
| parent | b0a20ded562cfa60b0d45d269e416f541f2d5aaf (diff) | |
| download | linux-6b4bdde61bd1f8451801e5fb092cbe2d1050984e.tar.gz linux-6b4bdde61bd1f8451801e5fb092cbe2d1050984e.tar.bz2 linux-6b4bdde61bd1f8451801e5fb092cbe2d1050984e.zip | |
[PATCH] amd8111e use standard CRC lib
I noticed this driver (and several others) reinvent their own copy of the
existing CRC library. Don't have the hardware, but tested by extracting
code and comparing result.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/amd8111e.c')
| -rw-r--r-- | drivers/net/amd8111e.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c index ef65e5917c8f..18896f24d407 100644 --- a/drivers/net/amd8111e.c +++ b/drivers/net/amd8111e.c @@ -1490,32 +1490,7 @@ static void amd8111e_read_regs(struct amd8111e_priv *lp, u32 *buf) buf[12] = readl(mmio + STAT0); } -/* -amd8111e crc generator implementation is different from the kernel -ether_crc() function. -*/ -static int amd8111e_ether_crc(int len, char* mac_addr) -{ - int i,byte; - unsigned char octet; - u32 crc= INITCRC; - - for(byte=0; byte < len; byte++){ - octet = mac_addr[byte]; - for( i=0;i < 8; i++){ - /*If the next bit form the input stream is 1,subtract the divisor (CRC32) from the dividend(crc).*/ - if( (octet & 0x1) ^ (crc & 0x1) ){ - crc >>= 1; - crc ^= CRC32; - } - else - crc >>= 1; - octet >>= 1; - } - } - return crc; -} /* This function sets promiscuos mode, all-multi mode or the multicast address list to the device. @@ -1556,7 +1531,7 @@ static void amd8111e_set_multicast_list(struct net_device *dev) mc_filter[1] = mc_filter[0] = 0; for (i = 0, mc_ptr = dev->mc_list; mc_ptr && i < dev->mc_count; i++, mc_ptr = mc_ptr->next) { - bit_num = ( amd8111e_ether_crc(ETH_ALEN,mc_ptr->dmi_addr) >> 26 ) & 0x3f; + bit_num = (ether_crc_le(ETH_ALEN, mc_ptr->dmi_addr) >> 26) & 0x3f; mc_filter[bit_num >> 5] |= 1 << (bit_num & 31); } amd8111e_writeq(*(u64*)mc_filter,lp->mmio+ LADRF); |