+/* CFM unixctl user interface functions. */
+static void
+cfm_unixctl_show(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ struct iface *iface;
+ const struct cfm *cfm;
+
+ iface = iface_find(args);
+ if (!iface) {
+ unixctl_command_reply(conn, 501, "no such interface");
+ return;
+ }
+
+ cfm = ofproto_iface_get_cfm(iface->port->bridge->ofproto, iface->dp_ifidx);
+
+ if (!cfm) {
+ unixctl_command_reply(conn, 501, "CFM not enabled");
+ return;
+ }
+
+ cfm_dump_ds(cfm, &ds);
+ unixctl_command_reply(conn, 200, ds_cstr(&ds));
+ ds_destroy(&ds);
+}
+\f