[ovs-git] [openvswitch/ovs] ba386d: bfd: Support overlay BFD

yifsun noreply at github.com
Mon Jul 27 21:53:08 UTC 2020

  Branch: refs/heads/branch-2.14
  Home:   https://github.com/openvswitch/ovs
  Commit: ba386db3c030313b1c9f20d0c5f66b0be761f433
  Author: Yifeng Sun <pkusunyifeng at gmail.com>
  Date:   2020-07-27 (Mon, 27 Jul 2020)

  Changed paths:
    M lib/bfd.c
    M tests/bfd.at
    M vswitchd/vswitch.xml

  Log Message:
  bfd: Support overlay BFD

Current OVS intercepts and processes all BFD packets, thus VM-2-VM
BFD packets get lost and the recipient VM never sees them.

This patch fixes it by only intercepting and processing BFD packets
destined to a configured BFD instance, and other BFD packets are made
available to the OVS flow table for forwarding.

This patch keeps BFD's backward compatibility.

VMware-BZ: #2579326
Signed-off-by: Yifeng Sun <pkusunyifeng at gmail.com>
Signed-off-by: William Tu <u9012063 at gmail.com>

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