netdev - Re: [RFC PATCH net-next 2/2] udp: add sk opt to allow sending pkt with src 0.0.0.0

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Message-Id: <20131114.150024.679596278327684470.davem@davemloft.net>
Date:	Thu, 14 Nov 2013 15:00:24 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	nicolas.dichtel@...nd.com, netdev@...r.kernel.org,
	David.Laight@...LAB.COM, jiri@...nulli.us, vyasevich@...il.com,
	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, thaller@...hat.com, stephen@...workplumber.org
Subject: Re: [RFC PATCH net-next 2/2] udp: add sk opt to allow sending pkt
 with src 0.0.0.0

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Thu, 14 Nov 2013 15:31:54 +0100

> Do you have an idea how to deal with the rp_filter issue if no ip
> address is set? Should we relax it in such cases?

I think it is kind of pointless to protect ourselves from locally
generated packets, for which the flow ID was explicitly asked for
by the application.

So yes I think relaxing rp_filter in such cases makes sense.
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