[ovs-git] [openvswitch/ovs] 470215: ovn: Fix ARP request flow for unknown IP in lroute...

GitHub noreply at github.com
Tue Aug 16 14:22:52 UTC 2016

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 4702159817c7d6c7f5714361c392a656646a4f8a
  Author: Chandra S Vejendla <csvejend at us.ibm.com>
  Date:   2016-08-16 (Tue, 16 Aug 2016)

  Changed paths:
    M ovn/northd/ovn-northd.8.xml
    M ovn/northd/ovn-northd.c
    M tests/ovn.at

  Log Message:
  ovn: Fix ARP request flow for unknown IP in lrouter

TPA in arp requests generated for unknown MAC-to-IP bindings is currently set
to DST_IP of the original packet. These arps will not be resolved when the
DST_IP is rechable via the default gateway. This patch fixes the issue by
setting the TPA to reg0. In routing stage reg0 is set to IP of the default
gateway when the packet has to go through the default gateway, otherwise reg0
is set to the DST_IP of the original packet.

Signed-off-by: Chandra Sekhar Vejendla <csvejend at us.ibm.com>
Signed-off-by: Gurucharan Shetty <guru at ovn.org>

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