On Wed, 18 Oct 2006 11:14:45 +0200
Lennert Buytenhek <[EMAIL PROTECTED]> wrote:

> Hi,
> 
> I've been seeing a failure to reply to incoming ARP packets on a bridge
> interface until after the first few packets have been transmitted over
> that interface, and the patch below seems to fix the issue, the 'issue'
> being that the incoming ARP packets are marked with PACKET_OTHERHOST,
> and there not being anything to set that back to PACKET_HOST even if
> the destination MAC address matches the bridge interface's MAC address.
> 
> If this looks good, I'll prepare a proper commit message.
> 
> 
> cheers,
> Lennert
> 
> Signed-off-by: Tom Billman <[EMAIL PROTECTED]>
> Signed-off-by: Lennert Buytenhek <[EMAIL PROTECTED]>
> 
> --- linux-2.6.19-rc2.orig/net/bridge/br_input.c       2006-10-18 
> 11:11:08.000000000 +0200
> +++ linux-2.6.19-rc2/net/bridge/br_input.c    2006-10-18 11:10:08.000000000 
> +0200
> @@ -32,6 +32,9 @@
>       indev = skb->dev;
>       skb->dev = br->dev;
>  
> +     skb_push(skb, ETH_HLEN);
> +     skb->protocol = eth_type_trans(skb, skb->dev);
> +
>       NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL,
>               netif_receive_skb);
>  }

No, eth_type_trans already be called by the device in the receive path.
Looks like a device driver bug, not a bridge issue.  If you add this,
the code ends up doing eth_type_trans twice.

-- 
Stephen Hemminger <[EMAIL PROTECTED]>
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