define snat_add_address_range {
  u32 client_index;
  u32 context;
  u8 is_ip4;
  u8 first_ip_address[16];
  u8 last_ip_address[16];
};

define snat_add_address_range_reply {
  u32 context;
  i32 retval;
};

define snat_interface_add_del_feature {
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_inside;
  u32 sw_if_index;
};

define snat_interface_add_del_feature_reply {
  u32 context;
  i32 retval;
};