atl1e: remove 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
---
drivers/net/atl1e/atl1e_hw.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/drivers/net/atl1e/atl1e_hw.c b/drivers/net/atl1e/atl1e_hw.c
index 949e753..c0d5f7c 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));
--
1.5.6.5
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