116 lines
4.1 KiB
C
116 lines
4.1 KiB
C
/* $NetBSD: common.h,v 1.10 2021/08/02 12:56:25 andvar Exp $ */
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/*
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* Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: common.h,v 1.10 2021/08/02 12:56:25 andvar Exp $
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*
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*/
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#ifndef _COMMON_H_
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#define _COMMON_H_
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#define MAXDL 16 /* maximum number concurrent load */
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#define IFNAME_SIZE 32 /* maximum size if interface name */
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#define BUFSIZE 1600 /* main receive buffer size */
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#define HDRSIZ 22 /* room for 803.2 header */
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#ifndef MOP_FILE_PATH
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#define MOP_FILE_PATH "/tftpboot/mop"
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#endif
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#define DEBUG_ONELINE 1
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#define DEBUG_HEADER 2
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#define DEBUG_INFO 3
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/*
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* structure per interface
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*
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*/
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struct if_info {
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int fd; /* File Descriptor */
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int trans; /* Transport type Ethernet/802.3 */
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u_char eaddr[6]; /* Ethernet addr of this interface */
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char if_name[IFNAME_SIZE]; /* Interface Name */
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int (*iopen)(const char *, int, u_short, int);
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/* Interface Open Routine */
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int (*write)(int, const u_char *, int, int);
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/* Interface Write Routine */
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void (*read)(void); /* Interface Read Routine */
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struct if_info *next; /* Next Interface */
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};
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#define DL_STATUS_FREE 0
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#define DL_STATUS_READ_IMGHDR 1
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#define DL_STATUS_SENT_MLD 2
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#define DL_STATUS_SENT_PLT 3
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typedef enum {
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IMAGE_TYPE_MOP, /* MOP image */
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IMAGE_TYPE_AOUT, /* a.out image */
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IMAGE_TYPE_ELF32 /* Elf32 image */
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} mopd_imagetype;
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struct dllist {
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u_char status; /* Status byte */
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struct if_info *ii; /* interface pointer */
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u_char eaddr[6]; /* targets ethernet address */
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int ldfd; /* filedescriptor for loadfile */
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u_short dl_bsz; /* Data Link Buffer Size */
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int timeout; /* Timeout counter */
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u_char count; /* Packet Counter */
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u_int32_t loadaddr; /* Load Address */
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u_int32_t xferaddr; /* Transfer Address */
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u_int32_t nloadaddr; /* Next Load Address */
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off_t lseek; /* Seek before last read */
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mopd_imagetype image_type; /* what type of image is it? */
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/* For Elf32 files */
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int e_machine; /* Machine ID */
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int e_nsec; /* number of program sections */
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#define SEC_MAX 4
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struct {
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off_t s_foff; /* file offset of section */
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u_int32_t s_vaddr; /* virtual address of section */
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u_int32_t s_fsize; /* file size of section */
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u_int32_t s_msize; /* memory size of section */
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u_int32_t s_pad; /* padding until next section */
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u_int32_t s_loff; /* logical offset into image */
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} e_sections[SEC_MAX]; /* program sections */
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u_int32_t e_curpos; /* current logical position */
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int e_cursec; /* current section */
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/* For a.out files */
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int a_mid; /* Machine ID */
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u_int32_t a_text; /* Size of text segment */
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u_int32_t a_text_fill; /* Size of text segment fill */
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u_int32_t a_data; /* Size of data segment */
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u_int32_t a_data_fill; /* Size of data segment fill */
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u_int32_t a_bss; /* Size of bss segment */
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u_int32_t a_bss_fill; /* Size of bss segment fill */
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off_t a_lseek; /* Keep track of pos in newfile */
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};
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#endif /* _COMMON_H_ */
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