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, struct ofp_match *);
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, struct ofp_match *);