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1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.0 (the 'License'). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License."
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/*
25 * Copyright (c) 1992, 1993, 1994, 1995, 1996
26 * The Regents of the University of California. All rights reserved.
27 *
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that: (1) source code distributions
30 * retain the above copyright notice and this paragraph in its entirety, (2)
31 * distributions including binary code include the above copyright notice and
32 * this paragraph in its entirety in the documentation or other materials
33 * provided with the distribution, and (3) all advertising materials mentioning
34 * features or use of this software display the following acknowledgement:
35 * ``This product includes software developed by the University of California,
36 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
37 * the University nor the names of its contributors may be used to endorse
38 * or promote products derived from this software without specific prior
39 * written permission.
40 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
41 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
42 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
43 *
44 * @(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/fddi.h,v 1.1.1.1 1999/05/02 03:58:31 wsanchez Exp $ (LBL)
45 */
46
47/*
48 * Based on Ultrix if_fddi.h
49 */
50
51/*
52 * This stuff should come from a system header file, but there's no
53 * obviously portable way to do that and it's not really going
54 * to change from system to system (except for the padding business).
55 */
56
57struct fddi_header {
58 u_char fddi_fc; /* frame control */
59 u_char fddi_dhost[6];
60 u_char fddi_shost[6];
61};
62
63
64/* Useful values for fddi_fc (frame control) field */
65
66/*
67 * FDDI Frame Control bits
68 */
69#define FDDIFC_C 0x80 /* Class bit */
70#define FDDIFC_L 0x40 /* Address length bit */
71#define FDDIFC_F 0x30 /* Frame format bits */
72#define FDDIFC_Z 0x0f /* Control bits */
73
74/*
75 * FDDI Frame Control values. (48-bit addressing only).
76 */
77#define FDDIFC_VOID 0x40 /* Void frame */
78#define FDDIFC_NRT 0x80 /* Nonrestricted token */
79#define FDDIFC_RT 0xc0 /* Restricted token */
80#define FDDIFC_SMT_INFO 0x41 /* SMT Info */
81#define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */
82#define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */
83#define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */
84#define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */
85#define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */
86#define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */
87#define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */
88#define FDDIFC_SMT 0x40 /* SMT frame */
89#define FDDIFC_MAC 0xc0 /* MAC frame */
90
91#define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */
92#define FDDIFC_ZZZZ 0x0F /* Control bits */