netdev - Re: [patch net v2 1/3] udp6: respect IPV6_DONTFRAG sockopt in case there are pending frames

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Date:	Sat, 19 Oct 2013 22:45:08 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	eric.dumazet@...il.com, jdmason@...zu.us, yoshfuji@...ux-ipv6.org,
	kuznet@....inr.ac.ru, jmorris@...ei.org, kaber@...sh.net,
	herbert@...dor.apana.org.au
Subject: Re: [patch net v2 1/3] udp6: respect IPV6_DONTFRAG sockopt in case there are pending frames

On Sat, Oct 19, 2013 at 12:29:15PM +0200, Jiri Pirko wrote:
> if up->pending != 0 dontfrag is left with default value -1. That
> causes that application that do:
> sendto len>mtu flag MSG_MORE
> sendto len>mtu flag 0
> will receive EMSGSIZE errno as the result of the second sendto.
> 
> This patch fixes it by respecting IPV6_DONTFRAG socket option.
> 
> introduced by:
> commit 4b340ae20d0e2366792abe70f46629e576adaf5e "IPv6: Complete IPV6_DONTFRAG support"
> 
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

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