+/* Configuration of individual interfaces. */
+struct cfm;
+
+void ofproto_iface_clear_cfm(struct ofproto *, uint32_t port_no);
+void ofproto_iface_set_cfm(struct ofproto *, uint32_t port_no,
+ const struct cfm *,
+ const uint16_t *remote_mps, size_t n_remote_mps);
+const struct cfm *ofproto_iface_get_cfm(struct ofproto *, uint32_t port_no);
+