1 /* $OpenBSD: common.h,v 1.10 2022/12/28 21:30:17 jmc Exp $ */ 2 /* $NetBSD: common.h,v 1.9 2011/08/30 19:49:10 joerg Exp $ */ 3 4 /* 5 * Copyright (c) 1993-95 Mats O Jansson. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _COMMON_H_ 30 #define _COMMON_H_ 31 32 #define MAXDL 16 /* maximum number concurrent load */ 33 #define IFNAME_SIZE 32 /* maximum size if interface name */ 34 #define BUFSIZE 1600 /* main receive buffer size */ 35 #define HDRSIZ 22 /* room for 803.2 header */ 36 37 #ifndef MOP_FILE_PATH 38 #define MOP_FILE_PATH "/tftpboot/mop" 39 #endif 40 41 #define DEBUG_ONELINE 1 42 #define DEBUG_HEADER 2 43 #define DEBUG_INFO 3 44 45 /* 46 * structure per interface 47 * 48 */ 49 50 struct if_info { 51 int fd; /* File Descriptor */ 52 int trans; /* Transport type Ethernet/802.3 */ 53 u_char eaddr[6]; /* Ethernet addr of this interface */ 54 char if_name[IFNAME_SIZE]; /* Interface Name */ 55 int (*iopen)(char *, int, u_short, int); 56 /* Interface Open Routine */ 57 int (*write)(int, u_char *, int, int); 58 /* Interface Write Routine */ 59 void (*read)(void); /* Interface Read Routine */ 60 struct if_info *next; /* Next Interface */ 61 }; 62 63 #define DL_STATUS_FREE 0 64 #define DL_STATUS_READ_IMGHDR 1 65 #define DL_STATUS_SENT_MLD 2 66 #define DL_STATUS_SENT_PLT 3 67 68 typedef enum { 69 IMAGE_TYPE_MOP, /* MOP image */ 70 IMAGE_TYPE_AOUT, /* a.out image */ 71 IMAGE_TYPE_ELF32, /* Elf32 image */ 72 IMAGE_TYPE_ELF64 /* Elf64 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 ELF 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