169 parse_probe_param(char *argv[], probe_param_t *param)  in parse_probe_param()  argument
176 		param->probe = ping_probe;  in parse_probe_param()
182 			param->probe = tcp_probe;  in parse_probe_param()
183 			param->proto = IPPROTO_TCP;  in parse_probe_param()
185 			param->probe = udp_probe;  in parse_probe_param()
186 			param->proto = IPPROTO_UDP;  in parse_probe_param()
193 		if (inet_pton(AF_INET6, argv[1], &param->vip) == 0)  in parse_probe_param()
198 		IN6_INADDR_TO_V4MAPPED(&v4addr, &param->vip);  in parse_probe_param()
209 		if (inet_pton(AF_INET6, argv[2], &param->srv_addr) == 0)  in parse_probe_param()
214 		IN6_INADDR_TO_V4MAPPED(&v4addr, &param->srv_addr);  in parse_probe_param()
220 		param->mode = dsr;  in parse_probe_param()
222 		param->mode = nat;  in parse_probe_param()
224 		param->mode = half_nat;  in parse_probe_param()
230 	param->port = port;  in parse_probe_param()
234 	param->timeout = timeout;  in parse_probe_param()
245     void **next_hop, probe_param_t *param)  in set_sockaddr()  argument
253 	switch (param->mode) {  in set_sockaddr()
255 		param_addr = &param->vip;  in set_sockaddr()
260 		param_addr = &param->srv_addr;  in set_sockaddr()
268 		v4_addr->sin_port = htons(param->port);  in set_sockaddr()
276 		v6_addr->sin6_port = htons(param->port);  in set_sockaddr()
292 		IN6_V4MAPPED_TO_IPADDR(&param->srv_addr, *nh_addr);  in set_sockaddr()
299 		nh_addr->sin6_addr = param->srv_addr;  in set_sockaddr()
315 tcp_query(probe_param_t *param)  in tcp_query()  argument
328 	af = set_sockaddr(&dst_addr, &dst_addr_len, &next_hop, param);  in tcp_query()
330 	if ((sd = socket(af, SOCK_STREAM, param->proto)) == -1)  in tcp_query()
351 	(void) alarm(param->timeout);  in tcp_query()
374 check_icmp_unreach_v4(struct icmp *icmph, probe_param_t *param)  in check_icmp_unreach_v4()  argument
391 	if (udph->uh_dport != htons(param->port))  in check_icmp_unreach_v4()
393 	if (udph->uh_sport != param->lport)  in check_icmp_unreach_v4()
405 check_icmp_echo_v4(struct icmp *icmph, probe_param_t *param)  in check_icmp_echo_v4()  argument
412 	if (icmph->icmp_id != param->echo_id)  in check_icmp_echo_v4()
414 	if (icmph->icmp_seq != param->echo_seq)  in check_icmp_echo_v4()
418 	if (cookie != param->echo_cookie)  in check_icmp_echo_v4()
421 	if (port != param->port)  in check_icmp_echo_v4()
430 check_icmp_v4(char *buf, ssize_t rcvd, probe_param_t *param)  in check_icmp_v4()  argument
452 	if (param->probe == udp_probe) {  in check_icmp_v4()
458 		return (check_icmp_unreach_v4(icmph, param));  in check_icmp_v4()
462 		return (check_icmp_echo_v4(icmph, param));  in check_icmp_v4()
471 check_icmp_unreach_v6(icmp6_t *icmp6h, probe_param_t *param)  in check_icmp_unreach_v6()  argument
488 	if (udph->uh_dport != htons(param->port))  in check_icmp_unreach_v6()
490 	if (udph->uh_sport != param->lport)  in check_icmp_unreach_v6()
501 check_icmp_echo_v6(icmp6_t *icmp6h, probe_param_t *param)  in check_icmp_echo_v6()  argument
509 	if (icmp6h->icmp6_id != param->echo_id)  in check_icmp_echo_v6()
511 	if (icmp6h->icmp6_seq != param->echo_seq)  in check_icmp_echo_v6()
515 	if (cookie != param->echo_cookie)  in check_icmp_echo_v6()
519 	if (port != param->port)  in check_icmp_echo_v6()
528 check_icmp_v6(char *buf, ssize_t rcvd, probe_param_t *param)  in check_icmp_v6()  argument
541 	if (param->probe == udp_probe) {  in check_icmp_v6()
547 		return (check_icmp_unreach_v6(icmp6h, param));  in check_icmp_v6()
551 		return (check_icmp_echo_v6(icmp6h, param));  in check_icmp_v6()
561     probe_param_t *param)  in wait_icmp_reply()  argument
584 			if (check_icmp_v4(buf, rcvd, param) == 0) {  in wait_icmp_reply()
602 			if (check_icmp_v6(buf, rcvd, param) == 0) {  in wait_icmp_reply()
636 udp_query(probe_param_t *param)  in udp_query()  argument
650 	af = set_sockaddr(&dst_addr, &addr_len, &next_hop, param);  in udp_query()
652 	if ((send_sd = socket(af, SOCK_DGRAM, param->proto)) == -1)  in udp_query()
683 	tm = (param->timeout * MICROSEC >> 2) * 3;  in udp_query()
703 	if ((ret = get_lport(send_sd, &param->lport)) != 0)  in udp_query()
711 	(void) wait_icmp_reply(af, recv_sd, &dst_addr, param);  in udp_query()
757 ping_query(probe_param_t *param)  in ping_query()  argument
772 	af = set_sockaddr(&dst_addr, &dst_addr_len, &next_hop, param);  in ping_query()
804 	param->echo_cookie = get_random();  in ping_query()
805 	bcopy(&param->echo_cookie, icmph->icmp_data,  in ping_query()
806 	    sizeof (param->echo_cookie));  in ping_query()
807 	bcopy(&param->port, icmph->icmp_data + sizeof (param->echo_cookie),  in ping_query()
808 	    sizeof (param->port));  in ping_query()
810 	param->echo_id = icmph->icmp_id;  in ping_query()
811 	param->echo_seq = icmph->icmp_seq;  in ping_query()
814 	(void) alarm(param->timeout);  in ping_query()
821 	if (wait_icmp_reply(af, sd, &dst_addr, param) != 0) {  in ping_query()
840 	probe_param_t param;  in main()  local
854 	if (!parse_probe_param(argv, &param)) {  in main()
859 	switch (param.probe) {  in main()
861 		ret = ping_query(&param);  in main()
864 		ret = tcp_query(&param);  in main()
867 		ret = udp_query(&param);  in main()