int dpif_flow_del(struct dpif *,
const struct nlattr *key, size_t key_len,
struct dpif_flow_stats *);
-int dpif_flow_get(const struct dpif *, int flags,
+int dpif_flow_get(const struct dpif *,
const struct nlattr *key, size_t key_len,
struct ofpbuf **actionsp, struct dpif_flow_stats *);