[ovs-git] Open vSwitch: cfm: Allow time for CCM reception after cfm_configure(); (master)

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commit aac19178a43f5ed3367e2d7a7a19ae34fdf56cfb
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=aac19178a43f5ed3367e2d7a7a19ae34fdf56cfb
Author: Ethan Jackson <ethan at nicira.com>
		
cfm: Allow time for CCM reception after cfm_configure();
		
Before this (and the previous) patch, whenever cfm_configure was
called it would set the fault_timer to expired.  Thus, the next
call to cfm_run would notice a lack of CCM reception and trigger a
faulted status.  This is a bug in and of itself, but normally would
not be a big deal because cfm_configure should only be called
infrequently (when the database changes).  However due to an
unrelated bug, cfm_configure() was getting called approximately once
per second.  This resulted in all monitors showing faults all of
the time.

This patch fixes the problem by not expiring the timer at
cfm_configure().  Instead it gives it the appropriate
fault_interval amount of time to miss heartbeats.

Bug #5244.


commit 9aa952b2dd7c091c63dbfc7becb3b3dcc9f7bfce
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=9aa952b2dd7c091c63dbfc7becb3b3dcc9f7bfce
Author: Ethan Jackson <ethan at nicira.com>
		
cfm: cfm_configure() only update when necessary.
		
Calling cfm_configure often could cause timers to be reset
resulting in unexpected behavior.  This commit only updates when
cfm configuration actually changed.

Bug #5244.


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

Summary of changes:
 lib/cfm.c |   46 +++++++++++++++++++++++++++-------------------
 1 files changed, 27 insertions(+), 19 deletions(-)


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