xref: /netbsd/usr.sbin/mopd/common/common.h (revision 6550d01e)
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 
51 struct 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) __P((const char *, int, u_short, int));
57 					/* Interface Open Routine	   */
58 	int	(*write) __P((int, const u_char *, int, int));
59 					/* Interface Write Routine	   */
60 	void	(*read) __P((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 
69 typedef enum {
70 	IMAGE_TYPE_MOP,			/* MOP image */
71 	IMAGE_TYPE_AOUT,		/* a.out image */
72 	IMAGE_TYPE_ELF32		/* Elf32 image */
73 } mopd_imagetype;
74 
75 struct 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