From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Sat, 14 Dec 2013 04:13:45 +0000 (+0100)
Subject: ipv4: new ip_no_pmtu_disc mode to always discard incoming frag needed msgs
X-Git-Tag: v3.14-rc1~94^2~442
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd174e67a6b312fce9bab502ba2b0583e11f537f;p=pandora-kernel.git

ipv4: new ip_no_pmtu_disc mode to always discard incoming frag needed msgs

This new mode discards all incoming fragmentation-needed notifications
as I guess was originally intended with this knob. To not break backward
compatibility too much, I only added a special case for mode 2 in the
receiving path.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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