482 static uint8_t *init_d6_packet(struct d6_packet *packet, char type)  in init_d6_packet()  argument
487 	memset(packet, 0, sizeof(*packet));  in init_d6_packet()
489 	packet->d6_xid32 = client_data.xid;  in init_d6_packet()
490 	packet->d6_msg_type = type; /* union, overwrites lowest byte of d6_xid32 */  in init_d6_packet()
495 	ptr = packet->d6_options; /* NB: it is 32-bit aligned */  in init_d6_packet()
546 static int d6_mcast_from_client_data_ifindex(struct d6_packet *packet, uint8_t *end)  in d6_mcast_from_client_data_ifindex()  argument
559 		packet, (end - (uint8_t*) packet),  in d6_mcast_from_client_data_ifindex()
590 	struct d6_packet packet;  in send_d6_info_request()  local
594 	opt_ptr = init_d6_packet(&packet, D6_MSG_INFORMATION_REQUEST);  in send_d6_info_request()
602 	return d6_mcast_from_client_data_ifindex(&packet, opt_ptr);  in send_d6_info_request()
689 	struct d6_packet packet;  in send_d6_discover()  local
694 	opt_ptr = init_d6_packet(&packet, D6_MSG_SOLICIT);  in send_d6_discover()
732 	return d6_mcast_from_client_data_ifindex(&packet, opt_ptr);  in send_d6_discover()
768 	struct d6_packet packet;  in send_d6_select()  local
772 	opt_ptr = init_d6_packet(&packet, D6_MSG_REQUEST);  in send_d6_select()
789 	return d6_mcast_from_client_data_ifindex(&packet, opt_ptr);  in send_d6_select()
841 	struct d6_packet packet;  in send_d6_renew()  local
845 	opt_ptr = init_d6_packet(&packet, DHCPREQUEST);  in send_d6_renew()
864 			&packet, (opt_ptr - (uint8_t*) &packet),  in send_d6_renew()
868 	return d6_mcast_from_client_data_ifindex(&packet, opt_ptr);  in send_d6_renew()
876 	struct d6_packet packet;  in send_d6_release()  local
881 	opt_ptr = init_d6_packet(&packet, D6_MSG_RELEASE);  in send_d6_release()
898 		&packet, (opt_ptr - (uint8_t*) &packet),  in send_d6_release()
909 	struct ip6_udp_d6_packet packet;  in d6_recv_raw_packet()  local
911 	bytes = safe_read(fd, &packet, sizeof(packet));  in d6_recv_raw_packet()
918 	if (bytes < (int) (sizeof(packet.ip6) + sizeof(packet.udp))) {  in d6_recv_raw_packet()
923 	if (bytes < sizeof(packet.ip6) + ntohs(packet.ip6.ip6_plen)) {  in d6_recv_raw_packet()
930 	bytes = sizeof(packet.ip6) + ntohs(packet.ip6.ip6_plen);  in d6_recv_raw_packet()
933 	if (packet.ip6.ip6_nxt != IPPROTO_UDP  in d6_recv_raw_packet()
934 	 || (packet.ip6.ip6_vfc >> 4) != 6  in d6_recv_raw_packet()
935 	 || packet.udp.dest != htons(CLIENT_PORT6)  in d6_recv_raw_packet()
937 	 || packet.udp.len != packet.ip6.ip6_plen  in d6_recv_raw_packet()
956 		*peer_ipv6 = packet.ip6.ip6_src; /* struct copy */  in d6_recv_raw_packet()
960 	d6_dump_packet(&packet.data);  in d6_recv_raw_packet()
962 	bytes -= sizeof(packet.ip6) + sizeof(packet.udp);  in d6_recv_raw_packet()
963 	memcpy(d6_pkt, &packet.data, bytes);  in d6_recv_raw_packet()
1324 		struct d6_packet packet;  in udhcpc6_main()  local
1571 				len = d6_recv_kernel_packet(&srv6_buf, &packet, client_data.sockfd);  in udhcpc6_main()
1573 				len = d6_recv_raw_packet(&srv6_buf, &packet, client_data.sockfd);  in udhcpc6_main()
1582 			packet_end = (uint8_t*)&packet + len;  in udhcpc6_main()
1585 		if ((packet.d6_xid32 & htonl(0x00ffffff)) != client_data.xid) {  in udhcpc6_main()
1587 				(unsigned)(packet.d6_xid32 & htonl(0x00ffffff)), (unsigned)client_data.xid,  in udhcpc6_main()
1595 			if (packet.d6_msg_type == D6_MSG_ADVERTISE)  in udhcpc6_main()
1605 			if (packet.d6_msg_type == D6_MSG_REPLY) {  in udhcpc6_main()
1616 				option = d6_find_option(packet.d6_options, packet_end, D6_OPT_STATUS_CODE);  in udhcpc6_main()
1620 					d6_run_script(packet.d6_options,  in udhcpc6_main()
1632 				option = d6_copy_option(packet.d6_options, packet_end, D6_OPT_SERVERID);  in udhcpc6_main()
1643 				if (packet.d6_msg_type == D6_MSG_ADVERTISE) {  in udhcpc6_main()
1741 					client6_data.ia_na = d6_copy_option(packet.d6_options, packet_end, D6_OPT_IA_NA);  in udhcpc6_main()
1779 					client6_data.ia_pd = d6_copy_option(packet.d6_options, packet_end, D6_OPT_IA_PD);  in udhcpc6_main()
1827 				d6_run_script(packet.d6_options, packet_end,  in udhcpc6_main()