77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 1992, 1993, 1994, 1995, 1996
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
* the University nor the names of its contributors may be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* @(#) $Header: /tcpdump/master/tcpdump/fddi.h,v 1.9 2000/10/09 02:59:39 guy Exp $ (LBL)
|
|
*/
|
|
|
|
/*
|
|
* Based on Ultrix if_fddi.h
|
|
*/
|
|
|
|
/*
|
|
* This stuff should come from a system header file, but there's no
|
|
* obviously portable way to do that and it's not really going
|
|
* to change from system to system (except for the padding business).
|
|
*/
|
|
|
|
struct fddi_header {
|
|
u_char fddi_fc; /* frame control */
|
|
u_char fddi_dhost[6];
|
|
u_char fddi_shost[6];
|
|
};
|
|
|
|
/*
|
|
* Length of an FDDI header; note that some compilers may pad
|
|
* "struct fddi_header" to a multiple of 4 bytes, for example, so
|
|
* "sizeof (struct fddi_header)" may not give the right
|
|
* answer.
|
|
*/
|
|
#define FDDI_HDRLEN 13
|
|
|
|
/* Useful values for fddi_fc (frame control) field */
|
|
|
|
/*
|
|
* FDDI Frame Control bits
|
|
*/
|
|
#define FDDIFC_C 0x80 /* Class bit */
|
|
#define FDDIFC_L 0x40 /* Address length bit */
|
|
#define FDDIFC_F 0x30 /* Frame format bits */
|
|
#define FDDIFC_Z 0x0f /* Control bits */
|
|
|
|
/*
|
|
* FDDI Frame Control values. (48-bit addressing only).
|
|
*/
|
|
#define FDDIFC_VOID 0x40 /* Void frame */
|
|
#define FDDIFC_NRT 0x80 /* Nonrestricted token */
|
|
#define FDDIFC_RT 0xc0 /* Restricted token */
|
|
#define FDDIFC_SMT_INFO 0x41 /* SMT Info */
|
|
#define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */
|
|
#define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */
|
|
#define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */
|
|
#define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */
|
|
#define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */
|
|
#define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */
|
|
#define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */
|
|
#define FDDIFC_SMT 0x40 /* SMT frame */
|
|
#define FDDIFC_MAC 0xc0 /* MAC frame */
|
|
|
|
#define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */
|
|
#define FDDIFC_ZZZZ 0x0F /* Control bits */
|