[PATCH] atl1e: remove unnecessary crc inversion
From: J. K. Cliburn <hidden>
Date: 2008-11-11 22:21:54
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
atl1e: remove unnecessary crc inversion Inverting the crc after calling ether_crc_le() is unnecessary and breaks multicast. Remove it. Tested-by: David Madore <redacted> Signed-off-by: Jay Cliburn <redacted> 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