netdev - Re: atl1e Ethernet driver not seeing packets sent to 33:33:00:00:00:01 multicast

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Date:	Tue, 11 Nov 2008 10:08:16 -0600
From:	"J. K. Cliburn" <jcliburn@...il.com>
To:	David Madore <david.madore@....fr>
Cc:	Linux Kernel Mailing-List <linux-kernel@...r.kernel.org>,
	Linux NetDev Mailing-List <netdev@...r.kernel.org>,
	atl1-devel@...ts.sourceforge.net
Subject: Re: atl1e Ethernet driver not seeing packets sent to
 33:33:00:00:00:01 multicast

On Tue, 11 Nov 2008 16:59:08 +0100
David Madore <david.madore@....fr> wrote:

> On Tue, Nov 11, 2008 at 08:06:11AM -0600, J. K. Cliburn wrote:
> > Just to verify your system is fitted with the L1e and not the L1
> > chip, can you please provide the output of lspci -vvnn?
> 
> Here goes (adapter in question is at the very end):

Thanks.

Can you please try this patch?

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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