1/*	$NetBSD: common.h,v 1.8 2009/11/17 18:58:07 drochner 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 *	$NetBSD: common.h,v 1.8 2009/11/17 18:58:07 drochner 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)(const char *, int, u_short, int);
57					/* Interface Open Routine	   */
58	int	(*write)(int, const u_char *, int, int);
59					/* Interface Write Routine	   */
60	void	(*read)(void);	/* Interface Read Routine          */
61	struct if_info *next;		/* Next Interface		   */
62};
63
64#define DL_STATUS_FREE		 0
65#define DL_STATUS_READ_IMGHDR	 1
66#define DL_STATUS_SENT_MLD	 2
67#define DL_STATUS_SENT_PLT	 3
68
69typedef enum {
70	IMAGE_TYPE_MOP,			/* MOP image */
71	IMAGE_TYPE_AOUT,		/* a.out image */
72	IMAGE_TYPE_ELF32		/* Elf32 image */
73} mopd_imagetype;
74
75struct dllist {
76	u_char		status;		/* Status byte			*/
77	struct if_info *ii;		/* interface pointer		*/
78	u_char		eaddr[6];	/* targets ethernet addres	*/
79	int		ldfd;		/* filedescriptor for loadfile	*/
80	u_short		dl_bsz;		/* Data Link Buffer Size	*/
81	int		timeout;	/* Timeout counter		*/
82	u_char		count;		/* Packet Counter		*/
83	u_int32_t	loadaddr;	/* Load Address			*/
84	u_int32_t	xferaddr;	/* Transfer Address		*/
85	u_int32_t	nloadaddr;	/* Next Load Address		*/
86	off_t		lseek;		/* Seek before last read	*/
87	mopd_imagetype	image_type;	/* what type of image is it?	*/
88
89	/* For Elf32 files */
90	int		e_machine;	/* Machine ID			*/
91	int		e_nsec;		/* number of program sections	*/
92#define	SEC_MAX	4
93	struct {
94		off_t s_foff;		/* file offset of section	*/
95		u_int32_t s_vaddr;	/* virtual address of section	*/
96		u_int32_t s_fsize;	/* file size of section		*/
97		u_int32_t s_msize;	/* memory size of section	*/
98		u_int32_t s_pad;	/* padding until next section	*/
99		u_int32_t s_loff;	/* logical offset into image	*/
100	} e_sections[SEC_MAX];		/* program sections		*/
101	u_int32_t	e_curpos;	/* current logical position	*/
102	int		e_cursec;	/* current section */
103
104	/* For a.out files */
105	int		a_mid;		/* Machine ID			*/
106	u_int32_t	a_text;		/* Size of text segment		*/
107	u_int32_t	a_text_fill;	/* Size of text segment fill	*/
108	u_int32_t	a_data;		/* Size of data segment		*/
109	u_int32_t	a_data_fill;	/* Size of data segment fill	*/
110	u_int32_t	a_bss;		/* Size of bss segment		*/
111	u_int32_t	a_bss_fill;	/* Size of bss segment fill	*/
112	off_t		a_lseek;	/* Keep track of pos in newfile */
113};
114
115#endif /* _COMMON_H_ */
116