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dccp: Fix sequence number check for ICMPv4 packets
authorWei Yongjun <yjwei@cn.fujitsu.com>
Sat, 26 Jul 2008 10:59:10 +0000 (11:59 +0100)
committerGerrit Renker <gerrit@erg.abdn.ac.uk>
Sat, 26 Jul 2008 10:59:10 +0000 (11:59 +0100)
commitd68f0866f76e2bc4ddc07e88e2cb1bc8959a6d7e
tree2cab08fd8de1c81c6d5a545a5b2aa96743cb6862tree | snapshot
parent73f18fdbca3f92b90aeaee16f5175fe30496e218commit | diff
dccp: Fix sequence number check for ICMPv4 packets

The payload of ICMP message is a part of the packet sent by ourself,
so the sequence number check must use AWL and AWH, not SWL and SWH.

For example:
     Endpoint A                  Endpoint B

     DATA-ACK       -------->
     (SEQ=X)
                    <--------    ICMP (Fragmentation Needed)
                                 (SEQ=X)

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
net/dccp/ipv4.c diff | blob | history
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