netdev - Re: [PATCH] route:ip_rt_frag_needed always return unzero

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Message-ID: <1319003231.16303.2.camel@edumazet-laptop>
Date:	Wed, 19 Oct 2011 07:47:11 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Gao feng <gaofeng@...fujitsu.com>
Cc:	davem@...emloft.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] route:ip_rt_frag_needed always return unzero

Le mercredi 19 octobre 2011 à 13:20 +0800, Gao feng a écrit :

> In orig ip_rt_frag_need,
> zero can be return only when pmtu(get from icmp packet) is zero and peer is NULL.
> in this case,raw_icmp_error will not be call too.this is valid??

I dont know, tell me.

I am afraid you're adding a possible regression here.

pmtu from icmp_packet is not zero in the common case.



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