enum nx_flow_format ofconn_get_flow_format(struct ofconn *);
void ofconn_set_flow_format(struct ofconn *, enum nx_flow_format);
enum nx_flow_format ofconn_get_flow_format(struct ofconn *);
void ofconn_set_flow_format(struct ofconn *, enum nx_flow_format);
bool ofconn_get_flow_mod_table_id(const struct ofconn *);
void ofconn_set_flow_mod_table_id(struct ofconn *, bool enable);
bool ofconn_get_flow_mod_table_id(const struct ofconn *);
void ofconn_set_flow_mod_table_id(struct ofconn *, bool enable);
int ofconn_get_miss_send_len(const struct ofconn *);
void ofconn_set_miss_send_len(struct ofconn *, int miss_send_len);
void ofconn_send_reply(const struct ofconn *, struct ofpbuf *);
void ofconn_send_replies(const struct ofconn *, struct list *);
void ofconn_send_error(const struct ofconn *, const struct ofp_header *request,
int ofconn_get_miss_send_len(const struct ofconn *);
void ofconn_set_miss_send_len(struct ofconn *, int miss_send_len);
void ofconn_send_reply(const struct ofconn *, struct ofpbuf *);
void ofconn_send_replies(const struct ofconn *, struct list *);
void ofconn_send_error(const struct ofconn *, const struct ofp_header *request,
-int ofconn_pktbuf_retrieve(struct ofconn *, uint32_t id,
- struct ofpbuf **bufferp, uint16_t *in_port);
+enum ofperr ofconn_pktbuf_retrieve(struct ofconn *, uint32_t id,
+ struct ofpbuf **bufferp, uint16_t *in_port);
bool ofconn_has_pending_opgroups(const struct ofconn *);
void ofconn_add_opgroup(struct ofconn *, struct list *);
void ofconn_remove_opgroup(struct ofconn *, struct list *,
bool ofconn_has_pending_opgroups(const struct ofconn *);
void ofconn_add_opgroup(struct ofconn *, struct list *);
void ofconn_remove_opgroup(struct ofconn *, struct list *,
void connmgr_send_flow_removed(struct connmgr *,
const struct ofputil_flow_removed *);
void connmgr_send_packet_in(struct connmgr *, const struct ofputil_packet_in *,
void connmgr_send_flow_removed(struct connmgr *,
const struct ofputil_flow_removed *);
void connmgr_send_packet_in(struct connmgr *, const struct ofputil_packet_in *,