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/*
* Copyright (c) 1998, Larry Lile
* All rights reserved.
*
* For latest sources and information on this driver, please
* go to http://anarchy.stdio.com.
*
* Questions, comments or suggestions should be directed to
* Larry Lile <lile@stdio.com>.
*
* 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 unmodified, 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id: iso88025.h,v 1.10 1999/01/09 19:01:58 lile Exp $
*
* Information gathered from tokenring@freebsd, /sys/net/ethernet.h and
* the Mach token ring driver.
*/
/*
* Fundamental constants relating to iso 802.5
*/
#ifndef _NET_ISO88025_H_
#define _NET_ISO88025_H_
/*
* The number of bytes in an iso 802.5 (MAC) address.
*/
#define ISO88025_ADDR_LEN 6
/*
*/
#define ISO88025_HDR_LEN (ISO88025_CF_LEN + ISO88025_ADDR_LEN*2)
#define ISO88025_CF_LEN 2
#define RCF_LEN 2
#define RIF_LEN 16
/*
* The minimum packet length.
*/
#define ISO88025_MIN_LEN 0 /* This offends my morality */
/*
* The maximum packet length.
*/
#define ISO88025_MAX_LEN 17960
/*
* A macro to validate a length with
*/
#define ISO88025_IS_VALID_LEN(foo) \
((foo) >= ISO88025_MIN_LEN && (foo) <= ISO88025_MAX_LEN)
/*
* ISO 802.5 physical header
*/
struct iso88025_header {
u_char ac; /* access control field */
u_char fc; /* frame control field */
u_char iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */
u_char iso88025_shost[ISO88025_ADDR_LEN]; /* source address */
u_short rcf; /* route control field */
u_short rseg[RIF_LEN]; /* routing registers */
};
struct iso88025_sockaddr_data {
u_char ether_dhost[ISO88025_ADDR_LEN];
u_char ether_shost[ISO88025_ADDR_LEN];
u_char ac;
u_char fc;
};
/*
* Structure of a 48-bit iso 802.5 address.
* ( We could also add the 16 bit addresses as a union)
*/
struct iso88025_addr {
u_char octet[ISO88025_ADDR_LEN];
};
#define ISO88025MTU 18000
#define ISO88025_DEFAULT_MTU 1500
#define senderr(e) { error = (e); goto bad;}
void iso88025_ifattach __P((struct ifnet *));
int iso88025_ioctl __P((struct ifnet *, int , caddr_t ));
int iso88025_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
void iso88025_input __P((struct ifnet *, struct iso88025_header *, struct mbuf *));
#endif
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