diff --git a/c_gen/c_type_maps.py b/c_gen/c_type_maps.py
index 6c45d4d..c7a175f 100644
--- a/c_gen/c_type_maps.py
+++ b/c_gen/c_type_maps.py
@@ -64,6 +64,15 @@
 extern void of_meter_stats_wire_length_get(of_object_t *obj, int *bytes);
 extern void of_meter_stats_wire_length_set(of_object_t *obj, int bytes);
 
+extern void of_port_desc_wire_length_get(of_object_t *obj, int *bytes);
+extern void of_port_desc_wire_length_set(of_object_t *obj, int bytes);
+
+extern void of_port_stats_entry_wire_length_get(of_object_t *obj, int *bytes);
+extern void of_port_stats_entry_wire_length_set(of_object_t *obj, int bytes);
+
+extern void of_queue_stats_entry_wire_length_get(of_object_t *obj, int *bytes);
+extern void of_queue_stats_entry_wire_length_set(of_object_t *obj, int bytes);
+
 """)