typedef struct odp_flow_key flow_t;
int flow_extract(struct ofpbuf *, uint32_t tun_id, uint16_t in_port, flow_t *);
-void flow_extract_stats(const flow_t *flow, struct ofpbuf *packet,
+void flow_extract_stats(const flow_t *flow, struct ofpbuf *packet,
struct odp_flow_stats *stats);
void flow_to_match(const flow_t *, uint32_t wildcards, bool tun_id_cookie,
struct ofp_match *);