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723b6ab2df
Virtual ports like 'patch' ports that almost fully implemented on
'ofproto' layer could have internal to 'ofproto' statuses that
could not be retrieved from 'netdev' or other layers. For example,
in current implementation there is no way to get the patch port
pairing status (i.e. if it has usable peer?).
New 'ofproto-provider' API function 'vport_get_status' introduced to
cover this gap. It allowes 'bridge' layer to retrive current status
of ofproto virtual ports and propagate it to DB.
For now we're only interested in pairing errors of 'patch' ports.
That are propagated to the 'error' column of the 'Interface' table.
Ex.:
$ ovs-vsctl show
...
Bridge "br1"
...
Port "patch1"
Interface "patch1"
type: patch
options: {peer="patch0"}
error: "No usable peer 'patch0' exists in 'system' datapath."
Bridge "br0"
datapath_type: netdev
...
Port "patch0"
Interface "patch0"
type: patch
options: {peer="patch1"}
error: "No usable peer 'patch1' exists in 'netdev' datapath."
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>