int dp_set_origin(struct datapath *, uint16_t, struct sk_buff *);
int dp_send_features_reply(struct datapath *, const struct sender *);
int dp_send_config_reply(struct datapath *, const struct sender *);
-int dp_send_flow_expired(struct datapath *, struct sw_flow *);
+int dp_send_flow_expired(struct datapath *, struct sw_flow *,
+ enum ofp_flow_expired_reason);
int dp_send_error_msg(struct datapath *, const struct sender *,
uint16_t, uint16_t, const uint8_t *, size_t);
int dp_update_port_flags(struct datapath *dp, const struct ofp_phy_port *opp);