[ovs-git] Open vSwitch: cfm: update remote opstate only when a CCM is received. (branch-1.11)

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- Log -----------------------------------------------------------------
commit d7bfc5ce313a4a2d76ea78e91b215d4bd8c331f0
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=d7bfc5ce313a4a2d76ea78e91b215d4bd8c331f0
Author: Paul Ingram <pingram at nicira.com>
		
cfm: update remote opstate only when a CCM is received.
		
The remote opstate for a CFM interface is presumed to be up unless a CCM is
received which signals opstate down. This means than an interface configured
for CFM demand mode may incorrectly appear to be opstate up if it has not
received a CCM within the last fault interval.

We should remember the last remote opstate for a CFM interface and only
change it when a CCM arrives signaling a change.

Bug #18806
Signed-off-by: Paul Ingram <pingram at nicira.com>
Signed-off-by: Ethan Jackson <ethan at nicira.com>
Acked-by: Ethan Jackson <ethan at nicira.com>


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Summary of changes:
 AUTHORS   |    2 +-
 lib/cfm.c |   16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)


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