cfm: Update cfm status on cfm creation and deletion.

Commit 88bf179aa3 (bfd/cfm: Check status change before update
status to database.) used a boolean flag to trigger cfm status
update.  However, the flag is not set on cfm creation and deletion.
And this causes stale status in database which may confuse users.

This commit fixes the issue by making cfm module trigger status
update on creation and deletion.

Bug #1245800

Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
bfd: Update bfd status on bfd creation and deletion.

Commit 88bf179aa3 (bfd/cfm: Check status change before update
status to database.) used a boolean flag to trigger bfd status
update.  However, the flag is not set on bfd creation and deletion.

To prevent any stale status in database, this commit makes bfd module
always set the flag on bfd creation and deletion.

Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
vtep: Update vtep schema with tunnel table

Added a Tunnel table to the VTEP schema that allows
per-tunnel BFD configuration and status to be specified.
Removed the BFD configuration/status from the
Physical_Locator table.

Signed-off-by: Ashwin Swaminathan <ashwinds@arista.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Bruce Davie <bdavie@vmware.com>
bond: fix a bug that disabled bond stats collection

Bug #1229225

Signed-off-by: Andy Zhou <azhou@nicira.com>
Reviewed-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
lacp: Really fix mutex initialization.

Commit 2a3fb0aa3c (lacp: Don't lock potentially uninitialized mutex in
lacp_status().) fixed one bug related to acquiring the file scope 'mutex'
without initializing it.  However, there was at least one other, in
lacp_unixctl_show().  One could just fix that one problem, but that leaves
the possibility that I might have missed one or two more.  This commit
fixes the problem for good, by adding a helper that initializes the mutex
and then acquires it.

It's not entirely clear why 'mutex' is a recursive mutex.  I think that it
might be just because of the callback in lacp_run().  An alternate fix,
therefore, would be to eliminate the callback and therefore the need for
runtime initialization of the mutex.

Bug #1245659.
Reported-by: Jeffrey Merrick <jmerrick@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>