common.h revision 1.7 
1/*	$OpenBSD: common.h,v 1.7 2006/05/11 05:18:38 maja Exp $ */
2
3/*
4 * Copyright (c) 1993-95 Mats O Jansson.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 *	$OpenBSD: common.h,v 1.7 2006/05/11 05:18:38 maja Exp $
27 *
28 */
29
30#ifndef _COMMON_H_
31#define _COMMON_H_
32
33#define	MAXDL		16		/* maximum number concurrent load */
34#define	IFNAME_SIZE	32		/* maximum size if interface name */
35#define	BUFSIZE		1600		/* main receive buffer size	*/
36#define	HDRSIZ		22		/* room for 803.2 header	*/
37
38#ifndef MOP_FILE_PATH
39#define MOP_FILE_PATH	"/tftpboot/mop"
40#endif
41
42#define	DEBUG_ONELINE	1
43#define	DEBUG_HEADER	2
44#define	DEBUG_INFO	3
45
46/*
47 * structure per interface
48 *
49 */
50
51struct if_info {
52	int	fd;			/* File Descriptor                 */
53	int	trans;			/* Transport type Ethernet/802.3   */
54	u_char	eaddr[6];		/* Ethernet addr of this interface */
55	char	if_name[IFNAME_SIZE];	/* Interface Name		   */
56	int	(*iopen)();		/* Interface Open Routine	   */
57	int	(*write)();		/* Interface Write Routine	   */
58	void	(*read)();		/* Interface Read Routine          */
59	struct if_info *next;		/* Next Interface		   */
60};
61
62#define	DL_STATUS_FREE		 0
63#define	DL_STATUS_READ_IMGHDR	 1
64#define	DL_STATUS_SENT_MLD	 2
65#define	DL_STATUS_SENT_PLT	 3
66
67struct dllist {
68	u_char	status;			/* Status byte			*/
69	struct if_info *ii;		/* interface pointer		*/
70	u_char	eaddr[6];		/* targets ethernet address	*/
71	int	ldfd;			/* filedescriptor for loadfile	*/
72	u_long	dl_bsz;			/* Data Link Buffer Size	*/
73	int	timeout;		/* Timeout counter		*/
74	u_char	count;			/* Packet Counter		*/
75	u_long	loadaddr;		/* Load Address			*/
76	u_long	xferaddr;		/* Transfer Address		*/
77	u_long	nloadaddr;		/* Next Load Address		*/
78	off_t	lseek;			/* Seek before last read	*/
79	int	aout;			/* Is it an a.out file		*/
80	u_long	a_text;			/* Size of text segment		*/
81	u_long	a_text_fill;		/* Size of text segment fill	*/
82	u_long	a_data;			/* Size of data segment		*/
83	u_long	a_data_fill;		/* Size of data segment fill	*/
84	u_long	a_bss;			/* Size of bss segment		*/
85	u_long	a_bss_fill;		/* Size of bss segment fill	*/
86	off_t	a_lseek;		/* Keep track of pos in newfile */
87};
88
89#endif /* _COMMON_H_ */
90