- * @param key address and port to match
- * @param addr external/local address of the matched mapping
- * @param port port of the matched mapping
- * @param fib_index fib index of the matched mapping
- * @param by_external if 0 match by local address otherwise match by external
- * address
- * @param is_addr_only 1 if matched mapping is address only
- * @param twice_nat matched mapping is twice NAT type
- * @param lb 1 if matched mapping is load-balanced
- * @param ext_host_addr external host address
+ * @param key address and port to match
+ * @param addr external/local address of the matched mapping
+ * @param port port of the matched mapping
+ * @param fib_index fib index of the matched mapping
+ * @param by_external if 0 match by local address otherwise match by external
+ * address
+ * @param is_addr_only 1 if matched mapping is address only
+ * @param twice_nat matched mapping is twice NAT type
+ * @param lb 1 if matched mapping is load-balanced
+ * @param ext_host_addr external host address
+ * @param is_identity_nat 1 if indentity mapping
+ * @param out if !=0 set to pointer of the mapping structure