From: Brian Haley <brian.haley@hp.com>
Date: Fri, 23 Apr 2010 11:26:09 +0000 (+0000)
Subject: IPv6: Complete IPV6_DONTFRAG support
X-Git-Tag: v2.6.35-rc1~473^2~388
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b340ae20d0e2366792abe70f46629e576adaf5e;p=pandora-kernel.git

IPv6: Complete IPV6_DONTFRAG support

Finally add support to detect a local IPV6_DONTFRAG event
and return the relevant data to the user if they've enabled
IPV6_RECVPATHMTU on the socket.  The next recvmsg() will
return no data, but have an IPV6_PATHMTU as ancillary data.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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