1/*	$NetBSD: ndbootd.h,v 1.4 2003/08/17 22:34:17 itojun Exp $	*/
2
3/* ndbootd.h - header file for the Sun Network Disk (nd) daemon: */
4
5/*
6 * Copyright (c) 2001 Matthew Fredette.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *   1. Redistributions of source code must retain the above copyright
12 *      notice, this list of conditions and the following disclaimer.
13 *   2. Redistributions in binary form must reproduce the above copyright
14 *      notice, this list of conditions and the following disclaimer in the
15 *      documentation and/or other materials provided with the distribution.
16 *   3. All advertising materials mentioning features or use of this software
17 *      must display the following acknowledgement:
18 *        This product includes software developed by Matthew Fredette.
19 *   4. The name of Matthew Fredette may not be used to endorse or promote
20 *      products derived from this software without specific prior written
21 *      permission.
22 *
23 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
26 */
27
28/* <<Header: /data/home/fredette/project/THE-WEIGHT-CVS/ndbootd/ndbootd.h,v 1.3 2001/05/22 13:13:20 fredette Exp >> */
29
30/*
31 * <<Log: ndbootd.h,v >>
32 * Revision 1.3  2001/05/22 13:13:20  fredette
33 * Ran indent(1) with NetBSD's KNF-approximating profile.
34 *
35 * Revision 1.2  2001/01/31 17:35:16  fredette
36 * Now include param.h.
37 *
38 * Revision 1.1  2001/01/29 15:12:13  fredette
39 * Added.
40 *
41 */
42
43#ifndef _NDBOOTD_H
44#define _NDBOOTD_H
45
46#if 0
47static const char _ndbootd_h_rcsid[] = "<<Id: ndbootd.h,v 1.3 2001/05/22 13:13:20 fredette Exp >>";
48#endif
49
50/* includes: */
51#ifdef HAVE_CONFIG_H
52#include "config.h"
53#endif				/* HAVE_CONFIG_H */
54#include <assert.h>
55#include <unistd.h>
56#include <stdio.h>
57#include <stdlib.h>
58#include <string.h>
59#include <errno.h>
60#include <fcntl.h>
61#include <netdb.h>
62#include <sys/param.h>
63#include <sys/socket.h>
64#include <sys/stat.h>
65#include <net/if.h>
66#include <netinet/in_systm.h>
67#include <netinet/in.h>
68#if defined(HAVE_SYS_SOCKIO_H)
69#include <sys/sockio.h>
70#elif defined(HAVE_SYS_SOCKETIO_H)	/* HAVE_SYS_SOCKIO_H,
71					 * HAVE_SYS_SOCKETIO_H */
72#include <sys/socketio.h>
73#endif				/* HAVE_SYS_SOCKETIO_H */
74#include <sys/ioctl.h>
75#ifdef HAVE_IOCTLS_H
76#include <ioctls.h>
77#endif				/* HAVE_IOCTLS_H */
78#ifdef HAVE_NET_IF_ETHER_H
79#include <net/if_ether.h>
80#endif				/* HAVE_NET_IF_ETHER_H */
81#ifdef HAVE_NET_ETHERNET_H
82#include <net/ethernet.h>
83#endif				/* HAVE_NET_ETHERNET_H */
84#include <netinet/ip.h>
85#ifdef HAVE_NET_IF_DL_H
86#include <net/if_dl.h>
87#endif				/* HAVE_NET_IF_DL_H */
88#include <arpa/inet.h>
89#include <ifaddrs.h>
90
91/* macros: */
92#ifdef __STDC__
93#define _NDBOOTD_P(x) x
94#else				/* !__STDC__ */
95#define _NDBOOTD_P(x)
96#endif				/* !__STDC__ */
97#undef FALSE
98#undef TRUE
99#define FALSE (0)
100#define TRUE (!FALSE)
101#ifndef HAVE_STRERROR
102#define strerror(e) ((e) < sys_nerr ? sys_errlist[e] : "unknown error")
103#endif				/* !HAVE_STRERROR */
104#ifndef MAX
105#define MAX(a, b) ((a) > (b) ? (a) : (b))
106#endif				/* !MAX */
107#ifndef MIN
108#define MIN(a, b) ((a) < (b) ? (a) : (b))
109#endif				/* !MIN */
110#if 1
111#define _NDBOOTD_DO_DEBUG
112#endif
113#ifdef _NDBOOTD_DO_DEBUG
114#define _NDBOOTD_DEBUG(x) do { if (_ndbootd_debug) { FILE *fp; int saved_errno; fp = stderr; saved_errno = errno; fprintf(fp, "%s: ", _ndbootd_argv0); errno = saved_errno; fprintf x ; fputc('\n', fp); errno = saved_errno; } } while(0)
115#else				/* !_NDBOOTD_DO_DEBUG */
116#define _NDBOOTD_DEBUG(x)
117#endif				/* !_NDBOOTD_DO_DEBUG */
118#define NDBOOTD_PID_FILE "/var/run/ndbootd.pid"
119
120#define NDBOOTD_OFFSETOF(t, m) (((char *) &(((t *) NULL)-> m)) - ((char *) ((t *) NULL)))
121
122#define NDBOOT_OP_READ      (0x01)
123#define NDBOOT_OP_WRITE     (0x02)
124#define NDBOOT_OP_ERROR     (0x03)
125#define NDBOOT_OP_MASK      (0x07)
126#define NDBOOT_OP_FLAG_WAIT (1 << 3)
127#define NDBOOT_OP_FLAG_DONE (1 << 4)
128#define NDBOOT_MAX_PACKET_DATA (1024)
129#define NDBOOT_MAX_BYTE_COUNT  (63 * 1024)
130#define NDBOOT_WINDOW_SIZE_DEFAULT (6)
131#define NDBOOT_BSIZE        (512)
132#define NDBOOT_MINOR_NDP0   (0x40)
133#undef IPPROTO_ND
134#define IPPROTO_ND 77
135
136/* structures: */
137
138/* our network interface: */
139struct ndbootd_interface {
140
141	/* the interface: */
142	struct ifreq *ndbootd_interface_ifreq;
143
144	/* our Ethernet address: */
145	u_int8_t ndbootd_interface_ether[ETHER_ADDR_LEN];
146
147	/* the socket for the interface: */
148	int ndbootd_interface_fd;
149
150	/* private data for the raw interface: */
151	void *_ndbootd_interface_raw_private;
152};
153/* the Sun Network Disk (nd) packet format: */
154struct ndboot_packet {
155
156	/* the operation code: */
157	u_int8_t ndboot_packet_op;
158
159	/* the minor device: */
160	u_int8_t ndboot_packet_minor;
161
162	/* any error: */
163	int8_t ndboot_packet_error;
164
165	/* the disk version number: */
166	int8_t ndboot_packet_disk_version;
167
168	/* the sequence number: */
169	int32_t ndboot_packet_sequence;
170
171	/* the disk block number: */
172	int32_t ndboot_packet_block_number;
173
174	/* the byte count: */
175	int32_t ndboot_packet_byte_count;
176
177	/* the residual byte count: */
178	int32_t ndboot_packet_residual_byte_count;
179
180	/* the current byte offset: */
181	int32_t ndboot_packet_current_byte_offset;
182
183	/* the current byte count: */
184	int32_t ndboot_packet_current_byte_count;
185};
186
187/* prototypes: */
188int ndbootd_raw_open _NDBOOTD_P((struct ndbootd_interface *));
189int ndbootd_raw_read _NDBOOTD_P((struct ndbootd_interface *, void *, size_t));
190int ndbootd_raw_write _NDBOOTD_P((struct ndbootd_interface *, void *, size_t));
191
192#endif				/* !_NDBOOTD_H */
193