From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: Verdict with ebtables?
Date: Thu, 11 Nov 2010 11:48:09 +0100
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Cc: netfilter-devel@vger.kernel.org
To: Kfir Lavi <lavi.kfir@gmail.com>
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On 11.11.2010 11:05, Kfir Lavi wrote:
> Hi,
> It seems to me that its not possible to do a verdict in userspace of
> ethernet packets, like it is done with nfqueue and iptables.
> Why it is not implemented?

Nobody ever implemented it. IIRC the main problem is that under
certain circumstances the packets need to be passed back to
__netif_receive_skb() when queuing in LOCAL_IN, which isn't
possible from the completion handler.