Granular link health statistics for cfm.

[sliver-openvswitch.git] / ofproto / ofproto-provider.h

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 26904ef..7b0e478 100644 (file)
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -980,6 +980,17 @@ struct ofproto_class {
     int (*get_cfm_remote_mpids)(const struct ofport *ofport,
                                 const uint64_t **rmps, size_t *n_rmps);
 
+    /* Checks the health of CFM configured on 'ofport'.  Returns an integer
+     * to indicate the health percentage of the 'ofport' which is an average of
+     * the health of all the remote_mps.  Returns an integer between 0 and 100
+     * where 0 means that the 'ofport' is very unhealthy and 100 means the
+     * 'ofport' is perfectly healthy.  Returns -1 if CFM is not enabled on
+     * 'port' or if the number of remote_mpids is > 1.
+     *
+     * This function may be a null pointer if the ofproto implementation does
+     * not support CFM. */
+    int (*get_cfm_health)(const struct ofport *ofport);
+
     /* Configures spanning tree protocol (STP) on 'ofproto' using the
      * settings defined in 's'.
      *