121 	struct bootp_hdr *bp = (struct bootp_hdr *)pkt;  in check_reply_packet()  local
128 	else if (bp->bp_op != OP_BOOTREPLY)  in check_reply_packet()
130 	else if (bp->bp_htype != HWT_ETHER)  in check_reply_packet()
132 	else if (bp->bp_hlen != HWL_ETHER)  in check_reply_packet()
134 	else if (!bootp_match_id(net_read_u32(&bp->bp_id)))  in check_reply_packet()
136 	else if (memcmp(bp->bp_chaddr, net_ethaddr, HWL_ETHER) != 0)  in check_reply_packet()
147 static void store_net_params(struct bootp_hdr *bp)  in store_net_params()  argument
152 	net_copy_ip(&tmp_ip, &bp->bp_siaddr);  in store_net_params()
154 		net_copy_ip(&net_server_ip, &bp->bp_siaddr);  in store_net_params()
161 	    (strlen(bp->bp_file) > 0)) {  in store_net_params()
162 		copy_filename(net_boot_file_name, bp->bp_file,  in store_net_params()
175 	net_copy_ip(&net_ip, &bp->bp_yiaddr);  in store_net_params()
348 	struct bootp_hdr *bp;  in bootp_handler()  local
353 	bp = (struct bootp_hdr *)pkt;  in bootp_handler()
366 	store_net_params(bp);		/* Store net parameters from reply */  in bootp_handler()
369 	if (net_read_u32((u32 *)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))  in bootp_handler()
370 		bootp_process_vendor((uchar *)&bp->bp_vend[4], len);  in bootp_handler()
700 	struct bootp_hdr *bp;  in bootp_request()  local
755 	bp = (struct bootp_hdr *)pkt;  in bootp_request()
756 	bp->bp_op = OP_BOOTREQUEST;  in bootp_request()
757 	bp->bp_htype = HWT_ETHER;  in bootp_request()
758 	bp->bp_hlen = HWL_ETHER;  in bootp_request()
759 	bp->bp_hops = 0;  in bootp_request()
764 	bp->bp_secs = htons(get_timer(bootp_start) / 1000);  in bootp_request()
766 	net_write_ip(&bp->bp_ciaddr, zero_ip);  in bootp_request()
767 	net_write_ip(&bp->bp_yiaddr, zero_ip);  in bootp_request()
768 	net_write_ip(&bp->bp_siaddr, zero_ip);  in bootp_request()
769 	net_write_ip(&bp->bp_giaddr, zero_ip);  in bootp_request()
770 	memcpy(bp->bp_chaddr, net_ethaddr, 6);  in bootp_request()
771 	copy_filename(bp->bp_file, net_boot_file_name, sizeof(bp->bp_file));  in bootp_request()
775 	extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_DISCOVER, zero_ip,  in bootp_request()
778 	extlen = bootp_extended((u8 *)bp->bp_vend);  in bootp_request()
792 	net_copy_u32(&bp->bp_id, &bootp_id);  in bootp_request()
904 static void dhcp_packet_process_options(struct bootp_hdr *bp)  in dhcp_packet_process_options()  argument
906 	uchar *popt = (uchar *)&bp->bp_vend[4];  in dhcp_packet_process_options()
909 	if (net_read_u32((u32 *)&bp->bp_vend[0]) != htonl(BOOTP_VENDOR_MAGIC))  in dhcp_packet_process_options()
921 		popt = (uchar *)bp->bp_file;  in dhcp_packet_process_options()
922 		end = popt + sizeof(bp->bp_file);  in dhcp_packet_process_options()
927 		popt = (uchar *)bp->bp_sname;  in dhcp_packet_process_options()
928 		end = popt + sizeof(bp->bp_sname);  in dhcp_packet_process_options()
956 	struct bootp_hdr *bp;  in dhcp_send_request_packet()  local
973 	bp = (struct bootp_hdr *)pkt;  in dhcp_send_request_packet()
974 	bp->bp_op = OP_BOOTREQUEST;  in dhcp_send_request_packet()
975 	bp->bp_htype = HWT_ETHER;  in dhcp_send_request_packet()
976 	bp->bp_hlen = HWL_ETHER;  in dhcp_send_request_packet()
977 	bp->bp_hops = 0;  in dhcp_send_request_packet()
978 	bp->bp_secs = htons(get_timer(bootp_start) / 1000);  in dhcp_send_request_packet()
987 	net_write_ip(&bp->bp_giaddr, zero_ip);  in dhcp_send_request_packet()
989 	memcpy(bp->bp_chaddr, net_ethaddr, 6);  in dhcp_send_request_packet()
990 	copy_filename(bp->bp_file, net_boot_file_name, sizeof(bp->bp_file));  in dhcp_send_request_packet()
996 	net_copy_u32(&bp->bp_id, &bp_offer->bp_id);  in dhcp_send_request_packet()
1004 	extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_REQUEST,  in dhcp_send_request_packet()
1025 	struct bootp_hdr *bp = (struct bootp_hdr *)pkt;  in dhcp_handler()  local
1037 	if (net_read_ip(&bp->bp_yiaddr).s_addr == 0)  in dhcp_handler()
1048 		debug("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file);  in dhcp_handler()
1050 		if (strncmp(bp->bp_file,  in dhcp_handler()
1054 			dhcp_packet_process_options(bp);  in dhcp_handler()
1061 			dhcp_send_request_packet(bp);  in dhcp_handler()
1071 		if (dhcp_message_type((u8 *)bp->bp_vend) == DHCP_ACK) {  in dhcp_handler()
1072 			dhcp_packet_process_options(bp);  in dhcp_handler()
1074 			store_net_params(bp);  in dhcp_handler()