[ovs-git] [openvswitch/ovs] e54385: netdev-dpdk: vhost-user port link state fix

GitHub noreply at github.com
Thu Jun 2 21:53:32 UTC 2016


  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: e543851d21e40364723c05e63c3a2bf62a9ef8aa
      https://github.com/openvswitch/ovs/commit/e543851d21e40364723c05e63c3a2bf62a9ef8aa
  Author: Zoltán Balogh <zoltan.balogh at ericsson.com>
  Date:   2016-06-02 (Thu, 02 Jun 2016)

  Changed paths:
    M AUTHORS
    M lib/netdev-dpdk.c

  Log Message:
  -----------
  netdev-dpdk: vhost-user port link state fix

OVS reports that link state of a vhost-user port (type=dpdkvhostuser) is
DOWN, even when traffic is running through the port between a Virtual
Machine and the vSwitch. Changing admin state with the
"ovs-ofctl mod-port <BR> <PORT> up/down" command over OpenFlow does
affect neither the reported link state nor the traffic.

The patch below does the flowing:
 - Triggers link state change by altering netdev's change_seq member.
 - Controls sending/receiving of packets through vhost-user port
   according to the port's current admin state.
 - Sets admin state of newly created vhost-user port to UP.

Signed-off-by: Zoltán Balogh <zoltan.balogh at ericsson.com>
Co-authored-by: Jan Scheurich <jan.scheurich at ericsson.com>
Signed-off-by: Jan Scheurich <jan.scheurich at ericsson.com>
Signed-off-by: Daniele Di Proietto <diproiettod at vmware.com>




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