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

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- Log -----------------------------------------------------------------
commit c1c4e8c76912a597a6ad964f7b80fc9f63caa7f3
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=c1c4e8c76912a597a6ad964f7b80fc9f63caa7f3
Author: Alex Wang <alexw at nicira.com>
		
bfd: Implement BFD decay.
		
When there is no incoming data traffic at the interface for a period,
BFD decay allows the bfd session to increase the min_rx. This is
helpful in that some interfaces may usually be idle for a long time.
And cpu consumption can be reduced by processing fewer bfd control
packets.

Signed-off-by: Alex Wang <alexw at nicira.com>
Signed-off-by: Ethan Jackson <ethan at nicira.com>
Acked-by: Ethan Jackson <ethan at nicira.com>


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

Summary of changes:
 lib/bfd.c              |  134 ++++++++++++++++++++++-
 lib/bfd.h              |    5 +-
 ofproto/ofproto-dpif.c |    7 +-
 tests/bfd.at           |  279 ++++++++++++++++++++++++++++++++++++++++++++++--
 vswitchd/vswitch.xml   |   10 ++
 5 files changed, 419 insertions(+), 16 deletions(-)


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