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_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 *);