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Date: Wed, 22 Jun 2005 13:40:35 +0300
From: Ari Suutari <ari@suutari.iki.fi>
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To: Luigi Rizzo <rizzo@icir.org>
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Cc: freebsd-net@freebsd.org
Subject: Re: Policy routing idea (Was: ipfw: Would it be possible to continue
 processing rest of rules after match ?)
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Hi,

Luigi Rizzo wrote:
> i suggest to implement a new action 'setnexthop' which stores the
> next hop as an MTAG with the packet (so it is preserved if the
> packet gets passed to dummynet).

	I took a quick look at how ipfw forward has been implemented.
	It seems to use PACKET_TAG_IPFORWARD to store routing info.
	If I would implement "ipfw setnexthop" with a new MTAG it
	would duplicate very much code already present for PACKET_TAG_IPFORWARD.

	If I could reuse the same MTAG this would be easier to add, all
	that would be needed is a new opcode for ipfw (or am I missing
	something important ?)

	Ari S.