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      1 /*	$NetBSD: common.h,v 1.10 2021/08/02 12:56:25 andvar 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 1.10 2021/08/02 12:56:25 andvar 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)(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 
     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 address	*/
     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