usr.sbin/mopd/common/common.h

   1 /*      $NetBSD: common.h,v 1.7 2009/10/20 00:51:13 snj 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 1.7 2009/10/20 00:51:13 snj 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_ */