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Re: [PATCHv4 net-next 05/10] openvswitch: Add conntrack action

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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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[PATCHv4 net-next 00/10] OVS conntrack support Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
  [PATCHv4 net-next 02/10] openvswitch: Move MASKED* macros to datapath.h Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
  [PATCHv4 net-next 01/10] openvswitch: Serialize acts with original netlink len Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
  [PATCHv4 net-next 07/10] netfilter: Always export nf_connlabels_replace() Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
    Re: [PATCHv4 net-next 07/10] netfilter: Always export nf_connlabels_replace() Pravin Shelar <pshelar@nicira.com> - 2015-08-19 22:50 +0200
    Re: [PATCHv4 net-next 07/10] netfilter: Always export  nf_connlabels_replace() Thomas Graf <tgraf@suug.ch> - 2015-08-20 18:30 +0200
  [PATCHv4 net-next 08/10] netfilter: connlabels: Export setting connlabel length Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
    Re: [PATCHv4 net-next 08/10] netfilter: connlabels: Export setting  connlabel length Pravin Shelar <pshelar@nicira.com> - 2015-08-19 22:50 +0200
    Re: [PATCHv4 net-next 08/10] netfilter: connlabels: Export setting  connlabel length Thomas Graf <tgraf@suug.ch> - 2015-08-20 18:30 +0200
  [PATCHv4 net-next 10/10] openvswitch: Allow attaching helpers to ct action Joe Stringer <joestringer@nicira.com> - 2015-08-19 01:50 +0200
    Re: [PATCHv4 net-next 10/10] openvswitch: Allow attaching helpers to  ct action Pravin Shelar <pshelar@nicira.com> - 2015-08-20 01:00 +0200
      Re: [PATCHv4 net-next 10/10] openvswitch: Allow attaching helpers to  ct action Joe Stringer <joestringer@nicira.com> - 2015-08-21 02:50 +0200
        Re: [PATCHv4 net-next 10/10] openvswitch: Allow attaching helpers to  ct action Pravin Shelar <pshelar@nicira.com> - 2015-08-21 19:50 +0200
  Re: [PATCHv4 net-next 05/10] openvswitch: Add conntrack action Pravin Shelar <pshelar@nicira.com> - 2015-08-19 22:40 +0200
  Re: [PATCHv4 net-next 05/10] openvswitch: Add conntrack action Thomas Graf <tgraf@suug.ch> - 2015-08-20 18:30 +0200

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