[ovs-git] [openvswitch/ovs] ce666b: ofproto: Handle OpenFlow version mismatch for requ...

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Wed Sep 26 20:55:51 UTC 2018

  Branch: refs/heads/branch-2.10
  Home:   https://github.com/openvswitch/ovs
  Commit: ce666bb79c20bf85a8a0b98a1bca0a94d0c5fb0e
  Author: Ben Pfaff <blp at ovn.org>
  Date:   2018-09-26 (Wed, 26 Sep 2018)

  Changed paths:
    M include/openvswitch/ofp-group.h
    M include/openvswitch/ofp-monitor.h
    M lib/ofp-bundle.c
    M lib/ofp-group.c
    M lib/ofp-monitor.c
    M ofproto/ofproto.c
    M ovn/controller/ofctrl.c
    M utilities/ovs-ofctl.c

  Log Message:
  ofproto: Handle OpenFlow version mismatch for requestforward with groups.

OpenFlow 1.4+ supports a feature called requestforward.  When a controller
enables this feature, the switch sends that controller a copy of other
controllers' group and meter modification requests.  OpenFlow 1.5 supports
some group features not in OpenFlow 1.4.  When OVS attempted to forward
such requests to an OpenFlow 1.4 controller, it reported an error and
exited.  This commit fixes the problem by making OVS properly translate the
messages to OpenFlow 1.4 format.

Reported-by: Pierre Cregut <pierre.cregut at orange.com>
Tested-by: Pierre Cregut <pierre.cregut at orange.com>
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2018-September/047453.html
Signed-off-by: Ben Pfaff <blp at ovn.org>

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