-struct sw_flow_actions *flow_actions_alloc(const struct nlattr *);
-void flow_deferred_free_acts(struct sw_flow_actions *);
-
-void flow_hold(struct sw_flow *);
-void flow_put(struct sw_flow *);
-
-int flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *,
- int *key_lenp, bool *is_frag);
-void flow_used(struct sw_flow *, struct sk_buff *);
-u64 flow_used_time(unsigned long flow_jiffies);
-
-u32 flow_hash(const struct sw_flow_key *, int key_lenp);
-int flow_cmp(const struct tbl_node *, void *target, int len);
-
-/* Upper bound on the length of a nlattr-formatted flow key. The longest
- * nlattr-formatted flow key would be:
- *
- * struct pad nl hdr total
- * ------ --- ------ -----
- * ODP_KEY_ATTR_TUN_ID 8 -- 4 12
- * ODP_KEY_ATTR_IN_PORT 4 -- 4 8
- * ODP_KEY_ATTR_ETHERNET 12 -- 4 16
- * ODP_KEY_ATTR_8021Q 4 -- 4 8
- * ODP_KEY_ATTR_ETHERTYPE 2 2 4 8
- * ODP_KEY_ATTR_IPV6 34 2 4 40
- * ODP_KEY_ATTR_ICMPV6 2 2 4 8
- * ODP_KEY_ATTR_ND 28 -- 4 32
- * -------------------------------------------------
- * total 132
- */
-#define FLOW_BUFSIZE 132
-
-int flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
-int flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
- const struct nlattr *);
-
-static inline struct sw_flow *flow_cast(const struct tbl_node *node)
-{
- return container_of(node, struct sw_flow, tbl_node);
-}