788 	int optval;  in ZTEST()  local
799 	optval = 0; optlen = sizeof(int);  in ZTEST()
800 	ret = zsock_getsockopt(client_sock, IPPROTO_IP, IP_MTU, &optval, &optlen);  in ZTEST()
804 	zexpect_equal(optval, 4096, "setsockopt mtu (%d)", optval);  in ZTEST()
806 	optval = 0; optlen = sizeof(int);  in ZTEST()
807 	ret = zsock_setsockopt(client_sock, IPPROTO_IP, IP_MTU, &optval, optlen);  in ZTEST()
811 	zexpect_equal(optval, 0, "setsockopt mtu (%d)", optval);  in ZTEST()
827 	int optval;  in ZTEST()  local
838 	optval = 0; optlen = sizeof(int);  in ZTEST()
839 	ret = zsock_getsockopt(client_sock, IPPROTO_IPV6, IPV6_MTU, &optval, &optlen);  in ZTEST()
843 	zexpect_equal(optval, 2048, "getsockopt mtu (%d)", optval);  in ZTEST()
845 	optval = 1500; optlen = sizeof(int);  in ZTEST()
846 	ret = zsock_setsockopt(client_sock, IPPROTO_IPV6, IPV6_MTU, &optval, optlen);  in ZTEST()
850 	zexpect_equal(optval, 1500, "setsockopt mtu (%d)", optval);  in ZTEST()
852 	optval = 0; optlen = sizeof(int);  in ZTEST()
853 	ret = zsock_getsockopt(client_sock, IPPROTO_IPV6, IPV6_MTU, &optval, &optlen);  in ZTEST()
857 	zexpect_equal(optval, 1500, "getsockopt mtu (%d)", optval);  in ZTEST()