+/* Abstract nx_flow_monitor_request. */
+struct ofputil_flow_monitor_request {
+ uint32_t id;
+ enum nx_flow_monitor_flags flags;
+ uint16_t out_port;
+ uint8_t table_id;
+ struct cls_rule match;
+};
+
+int ofputil_decode_flow_monitor_request(struct ofputil_flow_monitor_request *,
+ struct ofpbuf *msg);
+void ofputil_append_flow_monitor_request(
+ const struct ofputil_flow_monitor_request *, struct ofpbuf *msg);
+
+/* Abstract nx_flow_update. */
+struct ofputil_flow_update {
+ enum nx_flow_update_event event;
+
+ /* Used only for NXFME_ADDED, NXFME_DELETED, NXFME_MODIFIED. */
+ enum ofp_flow_removed_reason reason;
+ uint16_t idle_timeout;
+ uint16_t hard_timeout;
+ uint8_t table_id;
+ ovs_be64 cookie;
+ struct cls_rule *match;
+ struct ofpact *ofpacts;
+ size_t ofpacts_len;
+
+ /* Used only for NXFME_ABBREV. */
+ ovs_be32 xid;
+};
+
+int ofputil_decode_flow_update(struct ofputil_flow_update *,
+ struct ofpbuf *msg, struct ofpbuf *ofpacts);
+void ofputil_start_flow_update(struct list *replies);
+void ofputil_append_flow_update(const struct ofputil_flow_update *,
+ struct list *replies);
+
+/* Abstract nx_flow_monitor_cancel. */
+uint32_t ofputil_decode_flow_monitor_cancel(const struct ofp_header *);
+struct ofpbuf *ofputil_encode_flow_monitor_cancel(uint32_t id);
+