1/******************************************************************************
2 *
3 *	(C)Copyright 1998,1999 SysKonnect,
4 *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 *	This program is free software; you can redistribute it and/or modify
7 *	it under the terms of the GNU General Public License as published by
8 *	the Free Software Foundation; either version 2 of the License, or
9 *	(at your option) any later version.
10 *
11 *	The information in this file is provided "AS IS" without warranty.
12 *
13 ******************************************************************************/
14
15#ifndef	_FDDI_
16#define _FDDI_
17
18struct fddi_addr {
19	u_char	a[6] ;
20} ;
21
22#define GROUP_ADDR	0x80		/* MSB in a[0] */
23
24struct fddi_mac {
25	struct fddi_addr	mac_dest ;
26	struct fddi_addr	mac_source ;
27	u_char			mac_info[4478] ;
28} ;
29
30#define FDDI_MAC_SIZE	(12)
31#define FDDI_RAW_MTU	(4500-5)	/* exl. Pr,SD, ED/FS */
32#define FDDI_RAW	(4500)
33
34/*
35 * FC values
36 */
37#define FC_VOID		0x40		/* void frame */
38#define FC_TOKEN	0x80		/* token */
39#define FC_RES_TOKEN	0xc0		/* restricted token */
40#define FC_SMT_INFO	0x41		/* SMT Info frame */
41/*
42 * FC_SMT_LAN_LOC && FC_SMT_LOC are SK specific !
43 */
44#define FC_SMT_LAN_LOC	0x42		/* local SMT Info frame */
45#define FC_SMT_LOC	0x43		/* local SMT Info frame */
46#define FC_SMT_NSA	0x4f		/* SMT NSA frame */
47#define FC_MAC		0xc0		/* MAC frame */
48#define FC_BEACON	0xc2		/* MAC beacon frame */
49#define FC_CLAIM	0xc3		/* MAC claim frame */
50#define FC_SYNC_LLC	0xd0		/* sync. LLC frame */
51#define FC_ASYNC_LLC	0x50		/* async. LLC frame */
52#define FC_SYNC_BIT	0x80		/* sync. bit in FC */
53
54#define FC_LLC_PRIOR	0x07		/* priority bits */
55
56#define BEACON_INFO	0		/* beacon type */
57#define DBEACON_INFO	1		/* beacon type DIRECTED */
58
59
60/*
61 * indicator bits
62 */
63#define C_INDICATOR	(1<<0)
64#define A_INDICATOR	(1<<1)
65#define E_INDICATOR	(1<<2)
66#define I_INDICATOR	(1<<6)		/* SK specific */
67#define L_INDICATOR	(1<<7)		/* SK specific */
68
69#endif	/* _FDDI_ */
70