fddi.h

Newlib 嵌入式 C库 标准实现代码

/*
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1995 Matt Thomas ([e-mail])
 * 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. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 *	@(#)if_fddi.h	8.1 (Berkeley) 6/10/93
 * $FreeBSD: src/sys/net/fddi.h,v 1.12 2002/03/29 11:22:22 mdodd Exp $
 */

#ifndef _NETINET_IF_FDDI_H_
#define _NETINET_IF_FDDI_H_

#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 */
#define	FDDIFC_CLFF		0xF0	/* Class/Length/Format bits */
#define	FDDIFC_ZZZZ		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_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	FDDI_ADDR_LEN		6
#define	FDDI_HDR_LEN		(sizeof(struct fddi_header))

/*
 * Structure of an 100Mb/s FDDI header.
 */
struct fddi_header {
	u_char  fddi_fc;
	u_char  fddi_dhost[FDDI_ADDR_LEN];
	u_char  fddi_shost[FDDI_ADDR_LEN];
};

#if defined(_KERNEL)
#define	fddi_ipmulticast_min	ether_ipmulticast_min
#define	fddi_ipmulticast_max	ether_ipmulticast_max
#define	fddi_addmulti		ether_addmulti
#define	fddi_delmulti		ether_delmulti
#define	fddi_sprintf		ether_sprintf

#define	FDDI_BPF_UNSUPPORTED	0
#define	FDDI_BPF_SUPPORTED	1

void	fddi_ifattach(struct ifnet *, int);
void	fddi_ifdetach(struct ifnet *, int);
void	fddi_input(struct ifnet *, struct fddi_header *, struct mbuf *);
int	fddi_ioctl(struct ifnet *, int, caddr_t);

#endif	/* _KERNEL */
#endif	/* _NET_FDDI_H_ */