bool ofputil_packet_in_format_is_valid(enum nx_packet_in_format);
int ofputil_packet_in_format_from_string(const char *);
const char *ofputil_packet_in_format_to_string(enum nx_packet_in_format);
-struct ofpbuf *ofputil_make_set_packet_in_format(enum nx_packet_in_format);
+struct ofpbuf *ofputil_make_set_packet_in_format(enum ofp_version,
+ enum nx_packet_in_format);
/* NXT_FLOW_MOD_TABLE_ID extension. */
struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id);