591 static void parse_addr(int family, void *addr, const char *optarg)  in parse_addr()  argument
595 	ret = inet_pton(family, optarg, addr);  in parse_addr()
602 static void parse_addr4(struct sockaddr_in *addr, const char *optarg)  in parse_addr4()  argument
604 	parse_addr(AF_INET, &addr->sin_addr, optarg);  in parse_addr4()
607 static void parse_addr6(struct sockaddr_in6 *addr, const char *optarg)  in parse_addr6()  argument
609 	parse_addr(AF_INET6, &addr->sin6_addr, optarg);  in parse_addr6()
612 static int parse_protocol_family(const char *filepath, const char *optarg)  in parse_protocol_family()  argument
614 	if (!strcmp(optarg, "4"))  in parse_protocol_family()
616 	if (!strcmp(optarg, "6"))  in parse_protocol_family()
632 				parse_addr4(&out_daddr4, optarg);  in parse_opts()
634 				parse_addr6(&out_daddr6, optarg);  in parse_opts()
640 				parse_addr4(&in_daddr4, optarg);  in parse_opts()
642 				parse_addr6(&in_daddr6, optarg);  in parse_opts()
645 			if (!strcmp(optarg, "gre"))  in parse_opts()
647 			else if (!strcmp(optarg, "gue"))  in parse_opts()
649 			else if (!strcmp(optarg, "bare"))  in parse_opts()
651 			else if (!strcmp(optarg, "none"))  in parse_opts()
657 			cfg_src_port = strtol(optarg, NULL, 0);  in parse_opts()
666 			if (!strcmp(optarg, "4"))  in parse_opts()
668 			else if (!strcmp(optarg, "6"))  in parse_opts()
674 			cfg_payload_len = strtol(optarg, NULL, 0);  in parse_opts()
677 			cfg_num_pkt = strtol(optarg, NULL, 0);  in parse_opts()
680 			cfg_l3_outer = parse_protocol_family(argv[0], optarg);  in parse_opts()
683 			cfg_l3_extra = parse_protocol_family(argv[0], optarg);  in parse_opts()
690 				parse_addr4(&out_saddr4, optarg);  in parse_opts()
692 				parse_addr6(&out_saddr6, optarg);  in parse_opts()
696 				parse_addr4(&in_saddr4, optarg);  in parse_opts()
698 				parse_addr6(&in_saddr6, optarg);  in parse_opts()
701 			cfg_num_secs = strtol(optarg, NULL, 0);  in parse_opts()
707 			cfg_dsfield_outer = strtol(optarg, NULL, 0);  in parse_opts()
710 			cfg_dsfield_inner = strtol(optarg, NULL, 0);  in parse_opts()