73 } opt = {  variable
118 			opt.silent_send = true;  in cs_parse_args()
121 			opt.size = atoi(optarg);  in cs_parse_args()
124 			opt.sock.family = AF_INET;  in cs_parse_args()
127 			opt.sock.family = AF_INET6;  in cs_parse_args()
131 				opt.sock.proto = IPPROTO_UDP;  in cs_parse_args()
133 				opt.sock.proto = IPPROTO_ICMP;  in cs_parse_args()
135 				opt.sock.type = SOCK_RAW;  in cs_parse_args()
143 			opt.mark.ena = true;  in cs_parse_args()
144 			opt.mark.val = atoi(optarg);  in cs_parse_args()
147 			opt.sockopt.mark = atoi(optarg);  in cs_parse_args()
150 			opt.txtime.ena = true;  in cs_parse_args()
151 			opt.txtime.delay = atoi(optarg);  in cs_parse_args()
154 			opt.ts.ena = true;  in cs_parse_args()
157 			opt.v6.dontfrag.ena = true;  in cs_parse_args()
158 			opt.v6.dontfrag.val = atoi(optarg);  in cs_parse_args()
161 			opt.sockopt.dontfrag = atoi(optarg);  in cs_parse_args()
164 			opt.v6.tclass.ena = true;  in cs_parse_args()
165 			opt.v6.tclass.val = atoi(optarg);  in cs_parse_args()
168 			opt.sockopt.tclass = atoi(optarg);  in cs_parse_args()
171 			opt.v6.hlimit.ena = true;  in cs_parse_args()
172 			opt.v6.hlimit.val = atoi(optarg);  in cs_parse_args()
175 			opt.sockopt.hlimit = atoi(optarg);  in cs_parse_args()
178 			opt.v6.exthdr.ena = true;  in cs_parse_args()
181 				opt.v6.exthdr.val = IPV6_HOPOPTS;  in cs_parse_args()
184 				opt.v6.exthdr.val = IPV6_DSTOPTS;  in cs_parse_args()
187 				opt.v6.exthdr.val = IPV6_RTHDRDSTOPTS;  in cs_parse_args()
200 	opt.host = argv[optind];  in cs_parse_args()
201 	opt.service = argv[optind + 1];  in cs_parse_args()
246 			  SOL_SOCKET, SO_MARK, &opt.mark);  in cs_write_cmsg()
248 			  SOL_IPV6, IPV6_DONTFRAG, &opt.v6.dontfrag);  in cs_write_cmsg()
250 			  SOL_IPV6, IPV6_TCLASS, &opt.v6.tclass);  in cs_write_cmsg()
252 			  SOL_IPV6, IPV6_HOPLIMIT, &opt.v6.hlimit);  in cs_write_cmsg()
254 	if (opt.txtime.ena) {  in cs_write_cmsg()
266 			 opt.txtime.delay * 1000;  in cs_write_cmsg()
278 	if (opt.ts.ena) {  in cs_write_cmsg()
297 	if (opt.v6.exthdr.ena) {  in cs_write_cmsg()
304 		cmsg->cmsg_type = opt.v6.exthdr.val;  in cs_write_cmsg()
336 	if (!opt.ts.ena)  in cs_read_cmsg()
397 	if (opt.sockopt.mark &&  in ca_set_sockopts()
399 		       &opt.sockopt.mark, sizeof(opt.sockopt.mark)))  in ca_set_sockopts()
401 	if (opt.sockopt.dontfrag &&  in ca_set_sockopts()
403 		       &opt.sockopt.dontfrag, sizeof(opt.sockopt.dontfrag)))  in ca_set_sockopts()
405 	if (opt.sockopt.tclass &&  in ca_set_sockopts()
407 		       &opt.sockopt.tclass, sizeof(opt.sockopt.tclass)))  in ca_set_sockopts()
409 	if (opt.sockopt.hlimit &&  in ca_set_sockopts()
411 		       &opt.sockopt.hlimit, sizeof(opt.sockopt.hlimit)))  in ca_set_sockopts()
427 	buf = malloc(opt.size);  in main()
428 	memrnd(buf, opt.size);  in main()
431 	hints.ai_family = opt.sock.family;  in main()
434 	err = getaddrinfo(opt.host, opt.service, &hints, &ai);  in main()
437 			opt.host, opt.service);  in main()
441 	if (ai->ai_family == AF_INET6 && opt.sock.proto == IPPROTO_ICMP)  in main()
442 		opt.sock.proto = IPPROTO_ICMPV6;  in main()
444 	fd = socket(ai->ai_family, opt.sock.type, opt.sock.proto);  in main()
451 	if (opt.sock.proto == IPPROTO_ICMP) {  in main()
454 	} else if (opt.sock.proto == IPPROTO_ICMPV6) {  in main()
457 	} else if (opt.sock.type == SOCK_RAW) {  in main()
458 		struct udphdr hdr = { 1, 2, htons(opt.size), 0 };  in main()
462 		sin6->sin6_port = htons(opt.sock.proto);  in main()
473 	iov[0].iov_len = opt.size;  in main()
485 		if (!opt.silent_send)  in main()
489 	} else if (err != (int)opt.size) {  in main()
498 	usleep(opt.txtime.delay);  in main()