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Date:	Wed, 28 Feb 2007 23:26:36 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
CC:	greearb@...delatech.com, bridge@...ux-foundation.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] bridge: avoid ptype_all packet handling

David Miller wrote:
> From: Stephen Hemminger <shemminger@...ux-foundation.org>
> Date: Wed, 28 Feb 2007 23:04:36 -0800
>
>   
>> If an normal application has to use something like raw packet
>> filtering, it seems there is a missing API.
>>     
>
> I'm loosely following this discussion, but Ben mentions DHCP
> and I remember learning the other month that DHCP uses AF_PACKET
> and filtering instead of IP RAW sockets because it needs to get
> the MAC address and RAW sockets don't provide that.
>   
sounds like a socket option would help, the data is already there. Then 
the normal
UDP receive path would work.
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