1/* $OpenBSD: idprom.h,v 1.3 2024/03/29 21:06:14 miod Exp $ */
2/* $NetBSD: idprom.h,v 1.2 1998/09/05 23:57:26 eeh Exp $ */
3
4/*
5 * Copyright (c) 1993 Adam Glass
6 * 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 Adam Glass.
19 * 4. The name of the Author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35/*
36 * ID prom format. The ``host id'' is set up by taking the machine
37 * ID as the top byte and the hostid field as the remaining three.
38 * The id_xxx0 field appears to contain some other number. The id_xxx1
39 * contains a bunch of 00's and a5's on my machines, suggesting it is
40 * not actually used. The checksum seems to include them, however.
41 */
42struct idprom {
43 u_char id_format; /* format identifier (= 1) */
44 u_char id_machine; /* machine type (see param.h) */
45 u_char id_ether[6]; /* ethernet address */
46 int id_date; /* date of manufacture */
47 u_char id_hostid[3]; /* ``host id'' bytes */
48 u_char id_checksum; /* xor of everything else */
49 char id_undef[16]; /* undefined */
50};
51
52#define IDPROM_VERSION 1