/*	$NetBSD: if_fddi.h,v 1.14 2007/12/25 18:33:45 perry Exp $	*/

/*
 * Copyright (c) 1995 Matt Thomas (thomas@lkg.dec.com)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Id: if_fddi.h,v 1.5 1997/03/21 13:46:50 thomas Exp
 */

#ifndef _NET_IF_FDDI_H_
#define _NET_IF_FDDI_H_

/*
 * Structure of an 100Mb/s FDDI header.
 */
struct	fddi_header {
	u_char	fddi_ph[3];		/* makes the FDDI header 16 bytes */
	u_char	fddi_fc;
	u_char	fddi_dhost[6];
	u_char	fddi_shost[6];
} __packed;

#define	FDDIIPMTU		4352
#define	FDDIMTU			4470
#define	FDDIMIN			3

#define	FDDIFC_C		0x80	/* 0b10000000 */
#define	FDDIFC_L		0x40	/* 0b01000000 */
#define	FDDIFC_F		0x30	/* 0b00110000 */
#define	FDDIFC_Z		0x0F	/* 0b00001111 */

/*
 * 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_MAC_BEACON	0xc2		/* MAC Beacon frame */
#define	FDDIFC_MAC_CLAIM	0xc3		/* MAC Claim frame */
#define	FDDIFC_LLC_ASYNC	0x50
#define	FDDIFC_LLC_PRIO0	0
#define	FDDIFC_LLC_PRIO1	1
#define	FDDIFC_LLC_PRIO2	2
#define	FDDIFC_LLC_PRIO3	3
#define	FDDIFC_LLC_PRIO4	4
#define	FDDIFC_LLC_PRIO5	5
#define	FDDIFC_LLC_PRIO6	6
#define	FDDIFC_LLC_PRIO7	7
#define FDDIFC_LLC_SYNC         0xd0
#define	FDDIFC_IMP_ASYNC	0x60		/* Implementor Async. */
#define	FDDIFC_IMP_SYNC		0xe0		/* Implementor Synch. */
#define	FDDIFC_SMT		0x40
#define	FDDIFC_SMT_INFO		0x41		/* SMT Info */
#define	FDDIFC_SMT_NSA		0x4F		/* SMT Next station adrs */
#define FDDIFC_MAC		0xc0		/* MAC frame */

#define	FDDIFC_CLFF		0xF0		/* Class/Length/Format bits */
#define	FDDIFC_ZZZZ		0x0F		/* Control bits */

#if defined(KERNEL) || defined(_KERNEL)
#if defined(__NetBSD__)
#include <net/if_ether.h>
#endif
#define	fddibroadcastaddr	etherbroadcastaddr
#define	fddi_ipmulticast_min	ether_ipmulticast_min
#define	fddi_ipmulticast_max	ether_ipmulticast_max
#define	fddi_sprintf		ether_sprintf

#if defined(__NetBSD__)
void    fddi_ifattach(struct ifnet *, void *);
#else
void    fddi_ifattach(struct ifnet *);
#endif
#endif

#endif /* !_NET_IF_FDDI_H_ */