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