struct sw_flow *chain_lookup(struct sw_chain *, const struct sw_flow_key *);
int chain_insert(struct sw_chain *, struct sw_flow *);
int chain_modify(struct sw_chain *, const struct sw_flow_key *,
- const struct ofp_action *, int);
+ uint16_t, int, const struct ofp_action *, int);
int chain_delete(struct sw_chain *, const struct sw_flow_key *, uint16_t, int);
int chain_timeout(struct sw_chain *);
void chain_destroy(struct sw_chain *);