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authorJ. K. Cliburn <jcliburn@gmail.com>2008-11-12 01:21:48 +0300
committerJeff Garzik <jgarzik@redhat.com>2008-11-15 02:18:55 +0300
commit7ee0fddfe05f105d3346aa8774695e7130697836 (patch)
tree25b22879da0a897a151216a12ab7afe275026119 /drivers/net/atl1e
parent81183059e89c36f9b4c41f9332d642c2e0bff971 (diff)
downloadlinux-7ee0fddfe05f105d3346aa8774695e7130697836.tar.xz
atl1e: fix broken multicast by removing unnecessary crc inversion
Inverting the crc after calling ether_crc_le() is unnecessary and breaks multicast. Remove it. Tested-by: David Madore <david.madore@ens.fr> Signed-off-by: Jay Cliburn <jcliburn@gmail.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/atl1e')
-rw-r--r--drivers/net/atl1e/atl1e_hw.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/atl1e/atl1e_hw.c b/drivers/net/atl1e/atl1e_hw.c
index 8cbc1b59bd62..4a7700620119 100644
--- a/drivers/net/atl1e/atl1e_hw.c
+++ b/drivers/net/atl1e/atl1e_hw.c
@@ -163,9 +163,6 @@ int atl1e_read_mac_addr(struct atl1e_hw *hw)
* atl1e_hash_mc_addr
* purpose
* set hash value for a multicast address
- * hash calcu processing :
- * 1. calcu 32bit CRC for multicast address
- * 2. reverse crc with MSB to LSB
*/
u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
{
@@ -174,7 +171,6 @@ u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
int i;
crc32 = ether_crc_le(6, mc_addr);
- crc32 = ~crc32;
for (i = 0; i < 32; i++)
value |= (((crc32 >> i) & 1) << (31 - i));