[patch] ATL1E nic driver don't support multicast

[Tim Gardner]

Daniel Nyström wrote:
> After installing my new ASUS motherboard Avahi stopped working. It
> turned out that the ATL1E driver failed receiving multicasts.
> 
> I applied the following patch, and it started working immediately. As
> ASUS is one of the bigger motherboard vendors I think this might be
> important to get into a new kernel version.
> 
> Patch from:
> http://kerneltrap.org/mailarchive/linux-netdev/2008/11/11/4060524
> 
> 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));
> 

pulled

https://bugs.edge.launchpad.net/ubuntu/intrepid/+source/linux/+bug/300698

-- 
Tim Gardner tim.gardner at canonical.com