+/**\r
+ Calculate the Dhcp6 get mapping timeout by adding additinal delay to the IP6 DAD transmits count.\r
+\r
+ @param[in] Ip6Cfg The pointer to Ip6 config protocol.\r
+ @param[out] TimeOut The time out value in 100ns units.\r
+\r
+ @retval EFI_INVALID_PARAMETER Input parameters are invalid.\r
+ @retval EFI_SUCCESS Calculate the time out value successfully.\r
+**/\r
+EFI_STATUS\r
+Dhcp6GetMappingTimeOut (\r
+ IN EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg,\r
+ OUT UINTN *TimeOut\r
+ );\r