167 static int icmp_sock;  variable
721 	icmp_sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6);  in main()
722 	if (icmp_sock < 0) {  in main()
724 		icmp_sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);  in main()
1033 	if (icmp_sock < 0) {  in main()
1070 		if (setsockopt(icmp_sock, SOL_IPV6, IPV6_MTU_DISCOVER, &pmtudisc, sizeof(pmtudisc)) == -1) {  in main()
1077 	    bind(icmp_sock, (struct sockaddr*)&source, sizeof(source)) == -1) {  in main()
1094 	if (setsockopt(icmp_sock, SOL_IPV6, IPV6_RECVERR, (char *)&hold, sizeof(hold))) {  in main()
1103 	sock_setbufs(icmp_sock, hold);  in main()
1110 		err = setsockopt(icmp_sock, SOL_RAW, IPV6_CHECKSUM,  in main()
1139 		err = setsockopt(icmp_sock, IPPROTO_ICMPV6, ICMP6_FILTER,  in main()
1150 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,  in main()
1157 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,  in main()
1162 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS,  in main()
1173 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_RECVHOPLIMIT,  in main()
1175 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_2292HOPLIMIT,  in main()
1178 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_HOPLIMIT,  in main()
1189 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_TCLASS,  in main()
1221 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_FLOWLABEL_MGR,  in main()
1240 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_FLOWINFO_SEND,  in main()
1260 	setup(icmp_sock);  in main()
1264 	main_loop(icmp_sock, packet, packlen);  in main()
1291 	res = recvmsg(icmp_sock, &msg, MSG_ERRQUEUE|MSG_DONTWAIT);  in receive_error_msg()
1412 		cc = sendto(icmp_sock, (char *)outpack, len, confirm,  in send_probe()
1430 		cc = sendmsg(icmp_sock, &mhdr, confirm);  in send_probe()
1797 	if (setsockopt(icmp_sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)))  in install_filter()