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common.h revision 1.5 
      1 /*	$NetBSD: common.h,v 1.5 2002/02/18 22:00:36 thorpej 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  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Mats O Jansson.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  *
     31  *	$NetBSD: common.h,v 1.5 2002/02/18 22:00:36 thorpej Exp $
     32  *
     33  */
     34 
     35 #ifndef _COMMON_H_
     36 #define _COMMON_H_
     37 
     38 #define MAXDL		16		/* maximum number concurrent load */
     39 #define IFNAME_SIZE	32		/* maximum size if interface name */
     40 #define BUFSIZE		1600		/* main receive buffer size	*/
     41 #define HDRSIZ		22		/* room for 803.2 header	*/
     42 
     43 #ifndef MOP_FILE_PATH
     44 #define MOP_FILE_PATH	"/tftpboot/mop"
     45 #endif
     46 
     47 #define DEBUG_ONELINE	1
     48 #define DEBUG_HEADER	2
     49 #define DEBUG_INFO	3
     50 
     51 /*
     52  * structure per interface
     53  *
     54  */
     55 
     56 struct if_info {
     57 	int	fd;			/* File Descriptor                 */
     58 	int	trans;			/* Transport type Ethernet/802.3   */
     59 	u_char	eaddr[6];		/* Ethernet addr of this interface */
     60 	char	if_name[IFNAME_SIZE];	/* Interface Name		   */
     61 	int	(*iopen) __P((char *, int, u_short, int));
     62 					/* Interface Open Routine	   */
     63 	int	(*write) __P((int, u_char *, int, int));
     64 					/* Interface Write Routine	   */
     65 	void	(*read) __P((void));	/* Interface Read Routine          */
     66 	struct if_info *next;		/* Next Interface		   */
     67 };
     68 
     69 #define DL_STATUS_FREE		 0
     70 #define DL_STATUS_READ_IMGHDR	 1
     71 #define DL_STATUS_SENT_MLD	 2
     72 #define DL_STATUS_SENT_PLT	 3
     73 
     74 typedef enum {
     75 	IMAGE_TYPE_MOP,			/* MOP image */
     76 	IMAGE_TYPE_AOUT,		/* a.out image */
     77 	IMAGE_TYPE_ELF32		/* Elf32 image */
     78 } mopd_imagetype;
     79 
     80 struct dllist {
     81 	u_char		status;		/* Status byte			*/
     82 	struct if_info *ii;		/* interface pointer		*/
     83 	u_char		eaddr[6];	/* targets ethernet addres	*/
     84 	int		ldfd;		/* filedescriptor for loadfile	*/
     85 	u_short		dl_bsz;		/* Data Link Buffer Size	*/
     86 	int		timeout;	/* Timeout counter		*/
     87 	u_char		count;		/* Packet Counter		*/
     88 	u_int32_t	loadaddr;	/* Load Address			*/
     89 	u_int32_t	xferaddr;	/* Transfer Address		*/
     90 	u_int32_t	nloadaddr;	/* Next Load Address		*/
     91 	off_t		lseek;		/* Seek before last read	*/
     92 	mopd_imagetype	image_type;	/* what type of image is it?	*/
     93 
     94 	/* For Elf32 files */
     95 	int		e_nsec;		/* number of program sections	*/
     96 #define	SEC_MAX	4
     97 	struct {
     98 		off_t s_foff;		/* file offset of section	*/
     99 		u_int32_t s_vaddr;	/* virtual address of section	*/
    100 		u_int32_t s_fsize;	/* file size of section		*/
    101 		u_int32_t s_msize;	/* memory size of section	*/
    102 		u_int32_t s_pad;	/* padding until next section	*/
    103 		u_int32_t s_loff;	/* logical offset into image	*/
    104 	} e_sections[SEC_MAX];		/* program sections		*/
    105 	u_int32_t	e_curpos;	/* current logical position	*/
    106 	int		e_cursec;	/* current section */
    107 
    108 	/* For a.out files */
    109 	int		a_mid;		/* Machine ID			*/
    110 	u_int32_t	a_text;		/* Size of text segment		*/
    111 	u_int32_t	a_text_fill;	/* Size of text segment fill	*/
    112 	u_int32_t	a_data;		/* Size of data segment		*/
    113 	u_int32_t	a_data_fill;	/* Size of data segment fill	*/
    114 	u_int32_t	a_bss;		/* Size of bss segment		*/
    115 	u_int32_t	a_bss_fill;	/* Size of bss segment fill	*/
    116 	off_t		a_lseek;	/* Keep track of pos in newfile */
    117 };
    118 
    119 #endif /* _COMMON_H_ */
    120