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()
1036 	if (icmp_sock < 0) {  in main()
1073 		if (setsockopt(icmp_sock, SOL_IPV6, IPV6_MTU_DISCOVER, &pmtudisc, sizeof(pmtudisc)) == -1) {  in main()
1080 	    bind(icmp_sock, (struct sockaddr*)&source, sizeof(source)) == -1) {  in main()
1097 	if (setsockopt(icmp_sock, SOL_IPV6, IPV6_RECVERR, (char *)&hold, sizeof(hold))) {  in main()
1106 	sock_setbufs(icmp_sock, hold);  in main()
1113 		err = setsockopt(icmp_sock, SOL_RAW, IPV6_CHECKSUM,  in main()
1142 		err = setsockopt(icmp_sock, IPPROTO_ICMPV6, ICMP6_FILTER,  in main()
1153 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,  in main()
1160 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,  in main()
1165 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS,  in main()
1176 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_RECVHOPLIMIT,  in main()
1178 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_2292HOPLIMIT,  in main()
1181 		    setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_HOPLIMIT,  in main()
1192 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_TCLASS,  in main()
1224 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_FLOWLABEL_MGR,  in main()
1243 		if (setsockopt(icmp_sock, IPPROTO_IPV6, IPV6_FLOWINFO_SEND,  in main()
1263 	setup(icmp_sock);  in main()
1265 	main_loop(icmp_sock, packet, packlen);  in main()
1292 	res = recvmsg(icmp_sock, &msg, MSG_ERRQUEUE|MSG_DONTWAIT);  in receive_error_msg()
1413 		cc = sendto(icmp_sock, (char *)outpack, len, confirm,  in send_probe()
1431 		cc = sendmsg(icmp_sock, &mhdr, confirm);  in send_probe()
1798 	if (setsockopt(icmp_sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)))  in install_filter()