int chain_delete(struct sw_chain *, const struct sw_flow_key *, uint16_t, int);
void chain_timeout(struct sw_chain *, struct list *deleted);
void chain_destroy(struct sw_chain *);
int chain_delete(struct sw_chain *, const struct sw_flow_key *, uint16_t, int);
void chain_timeout(struct sw_chain *, struct list *deleted);
void chain_destroy(struct sw_chain *);