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authorJarno Rajahalme <jarno@ovn.org>2017-02-09 11:21:53 -0800
committerDavid S. Miller <davem@davemloft.net>2017-02-09 22:59:34 -0500
commit9ff464db50e437eef131f719cc2e9902eea9c607 (patch)
treeae2f2d9dc0053de452287bc0b0f00433efb59ebe /include/net/gen_stats.h
parent5e17da634a21b1200853fe82ba67d6571f2beabe (diff)
openvswitch: Use inverted tuple in ovs_ct_find_existing() if NATted.
The conntrack lookup for existing connections fails to invert the packet 5-tuple for NATted packets, and therefore fails to find the existing conntrack entry. Conntrack only stores 5-tuples for incoming packets, and there are various situations where a lookup on a packet that has already been transformed by NAT needs to be made. Looking up an existing conntrack entry upon executing packet received from the userspace is one of them. This patch fixes ovs_ct_find_existing() to invert the packet 5-tuple for the conntrack lookup whenever the packet has already been transformed by conntrack from its input form as evidenced by one of the NAT flags being set in the conntrack state metadata. Fixes: 05752523e565 ("openvswitch: Interface with NAT.") Signed-off-by: Jarno Rajahalme <jarno@ovn.org> Acked-by: Joe Stringer <joe@ovn.org> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/gen_stats.h')
0 files changed, 0 insertions, 0 deletions