Messages in this thread | | | Date | Wed, 19 Aug 2015 13:30:24 -0700 | Subject | Re: [PATCHv4 net-next 05/10] openvswitch: Add conntrack action | From | Pravin Shelar <> |
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On Tue, Aug 18, 2015 at 4:39 PM, Joe Stringer <joestringer@nicira.com> wrote: > Expose the kernel connection tracker via OVS. Userspace components can > make use of the "ct()" action, followed by "recirculate", to populate > the conntracking state in the OVS flow key, and subsequently match on > that state. > > Example ODP flows allowing traffic from 1->2, only replies from 2->1: > in_port=1,tcp,action=ct(commit,zone=1),2 > in_port=2,ct_state=-trk,tcp,action=ct(zone=1),recirc(1) > recirc_id=1,in_port=2,ct_state=+trk+est-new,tcp,action=1 > > IP fragments are handled by transparently assembling them as part of the > ct action. The maximum received unit (MRU) size is tracked so that > refragmentation can occur during output. > > IP frag handling contributed by Andy Zhou. > > Signed-off-by: Joe Stringer <joestringer@nicira.com> > Signed-off-by: Justin Pettit <jpettit@nicira.com> > Signed-off-by: Andy Zhou <azhou@nicira.com> Acked-by: Pravin B Shelar <pshelar@nicira.com>
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