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ipsec: Don't update the pmtu on ICMPV6_DEST_UNREACH
authorSteffen Klassert <steffen.klassert@secunet.com>
Tue, 10 Sep 2013 11:43:09 +0000 (13:43 +0200)
committerSteffen Klassert <steffen.klassert@secunet.com>
Mon, 16 Sep 2013 07:45:32 +0000 (09:45 +0200)
Currently we update the pmtu in the IPsec protocol error handlers
if icmpv6 message type is either ICMPV6_DEST_UNREACH or
ICMPV6_PKT_TOOBIG. Updating the pmtu on ICMPV6_DEST_UNREACH
is wrong in any case, it causes strangely fragmented packets.
Only ICMPV6_PKT_TOOBIG signalizes pmtu discovery, so remove the
ICMPV6_DEST_UNREACH check in the IPsec protocol error handlers.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

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