void flow_hold(struct sw_flow *);
void flow_put(struct sw_flow *);
-int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *);
+int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *, bool *is_frag);
void flow_used(struct sw_flow *, struct sk_buff *);
u32 flow_hash(const struct odp_flow_key *key);