extern index_t gbp_bridge_domain_find_and_lock (u32 bd_id);
extern int gbp_bridge_domain_delete (u32 bd_id);
extern index_t gbp_bridge_domain_index (const gbp_bridge_domain_t *);
+extern u32 gbp_bridge_domain_get_bd_id (index_t gbdi);
typedef int (*gbp_bridge_domain_cb_t) (gbp_bridge_domain_t * gb, void *ctx);
extern void gbp_bridge_domain_walk (gbp_bridge_domain_cb_t bgpe, void *ctx);