struct ofport_dpif *ofp_port_to_ofport(const struct ofproto_dpif *,
ofp_port_t);
+bool ofproto_dpif_backer_enabled(struct dpif_backer* backer);
+
int ofproto_dpif_add_internal_flow(struct ofproto_dpif *,
const struct match *, int priority,
uint16_t idle_timeout,