[ovs-git] Open vSwitch: bfd: Implement forwarding_if_rx. (master)

dev at openvswitch.org dev at openvswitch.org
Thu Aug 22 22:28:58 UTC 2013


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- Log -----------------------------------------------------------------
commit 01d18a3affec8249863053b99bc646545ca8171c
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=01d18a3affec8249863053b99bc646545ca8171c
Author: Alex Wang <alexw at nicira.com>
		
bfd: Implement forwarding_if_rx.
		
This commit adds a new boolean option "forwarding_if_rx" to bfd.

When forwarding_if_rx is true the interface will be considered
capable of packet I/O as long as there is packet received at
interface.  This is important in that when link becomes temporarily
conjested, consecutive BFD control packets can be lost.  And the
forwarding_if_rx can prevent link failover by detecting non-control
packets received at interface.

Signed-off-by: Alex Wang <alexw at nicira.com>


-----------------------------------------------------------------------

Summary of changes:
 lib/bfd.c            |   74 +++++++++++++--
 tests/bfd.at         |  254 +++++++++++++++++++++++++++++++++++++++++++++++++-
 vswitchd/vswitch.xml |    8 ++
 3 files changed, 326 insertions(+), 10 deletions(-)


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