76 	int ifindex;  member
229 	if (args->ifindex) {  in tcp_md5sig()
233 		md5sig.tcpm_ifindex = args->ifindex;  in tcp_md5sig()
337 	int ifindex = 0;  in check_device()  local
343 		ifindex = get_ifidx(name);  in check_device()
346 		*name ? name : "<none>", ifindex);  in check_device()
351 	if (args->expected_ifindex != ifindex) {  in check_device()
353 			  args->expected_ifindex, ifindex);  in check_device()
358 		args->expected_ifindex, ifindex);  in check_device()
411 static int set_unicast_if(int sd, int ifindex, int version)  in set_unicast_if()  argument
417 	ifindex = htonl(ifindex);  in set_unicast_if()
423 	rc = setsockopt(sd, level, opt, &ifindex, sizeof(ifindex));  in set_unicast_if()
430 static int set_multicast_if(int sd, int ifindex)  in set_multicast_if()  argument
432 	struct ip_mreqn mreq = { .imr_ifindex = ifindex };  in set_multicast_if()
442 static int set_membership(int sd, uint32_t grp, uint32_t addr, int ifindex)  in set_membership()  argument
448 	if (addr == htonl(INADDR_ANY) && !ifindex) {  in set_membership()
455 	mreq.imr_ifindex = ifindex;  in set_membership()
605 	int ifindex = 0;  in get_index_from_cmsg()  local
618 			ifindex = pi->ipi_ifindex;  in get_index_from_cmsg()
625 			ifindex = pi6->ipi6_ifindex;  in get_index_from_cmsg()
629 	if (ifindex) {  in get_index_from_cmsg()
631 			ifindex, buf);  in get_index_from_cmsg()
633 	return ifindex;  in get_index_from_cmsg()
658 			 int ifindex, int version)  in send_msg_cmsg()  argument
684 		pi->ipi_ifindex = ifindex;  in send_msg_cmsg()
696 		pi6->ipi6_ifindex = ifindex;  in send_msg_cmsg()
726 	} else if (args->ifindex && args->use_cmsg) {  in send_msg()
727 		if (send_msg_cmsg(sd, addr, alen, args->ifindex, args->version))  in send_msg()
755 	int ifindex;  in socket_read_dgram()  local
780 	ifindex = get_index_from_cmsg(&m);  in socket_read_dgram()
782 		if (args->expected_ifindex != ifindex) {  in socket_read_dgram()
784 				  args->expected_ifindex, ifindex);  in socket_read_dgram()
788 			args->expected_ifindex, ifindex);  in socket_read_dgram()
807 						  ifindex, AF_INET) < 0)  in socket_read_dgram()
827 				s6->sin6_scope_id = ifindex;  in socket_read_dgram()
1059 		 set_multicast_if(sd, args->ifindex))  in msock_init()
1071 			   args->local_addr.in.s_addr, args->ifindex))  in msock_init()
1152 		 set_unicast_if(sd, args->ifindex, args->version))  in lsock_init()
1327 		 set_unicast_if(sd, args->ifindex, args->version))  in connectsock()
1706 			args.ifindex = get_ifidx(optarg);  in main()
1707 			if (args.ifindex < 0) {  in main()
1772 	if ((args.use_setsockopt || args.use_cmsg) && !args.ifindex) {  in main()