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authorJulius Volz <julius.volz@gmail.com>2009-08-31 16:22:23 +0200
committerPatrick McHardy <kaber@trash.net>2009-08-31 16:22:23 +0200
commit94b265514a8398ba3cfecb5a821a027b68a5c38e (patch)
tree275d3317053f1dc1643ace438915f33d29ef9690 /net/bridge
parent488908696971c5ea1dcc5d13f29c158ba4f6ae7d (diff)
IPVS: Add handling of incoming ICMPV6 messages
Add handling of incoming ICMPv6 messages. This follows the handling of IPv4 ICMP messages. Amongst ther things this problem allows IPVS to behave sensibly when an ICMPV6_PKT_TOOBIG message is received: This message is received when a realserver sends a packet >PMTU to the client. The hop on this path with insufficient MTU will generate an ICMPv6 Packet Too Big message back to the VIP. The LVS server receives this message, but the call to the function handling this has been missing. Thus, IPVS fails to forward the message to the real server, which then does not adjust the path MTU. This patch adds the missing call to ip_vs_in_icmp_v6() in ip_vs_in() to handle this situation. Thanks to Rob Gallagher from HEAnet for reporting this issue and for testing this patch in production (with direct routing mode). [horms@verge.net.au: tweaked changelog] Signed-off-by: Julius Volz <julius.volz@gmail.com> Tested-by: Rob Gallagher <robert.gallagher@heanet.ie> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Patrick McHardy <kaber@trash.net>
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