/* * 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. * * $FreeBSD: src/sys/net/iso88025.h,v 1.3.2.1 2000/10/14 20:01:06 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_ /* * General ISO 802.5 definitions */ #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_MAX_RD 14 #define RIF_MAX_LEN 16 #define TR_AC 0x10 #define TR_LLC_FRAME 0x40 #define TR_4MBPS 4000000 #define TR_16MBPS 16000000 #define TR_100MBPS 100000000 /* * Source routing */ #define TR_RII 0x80 #define TR_RCF_BCST_MASK 0xe000 #define TR_RCF_LEN_MASK 0x1f00 #define TR_RCF_DIR 0x0080 #define TR_RCF_LF_MASK 0x0070 #define TR_RCF_RIFLEN(x) ((ntohs(x) & TR_RCF_LEN_MASK) >> 8) /* * Minimum and maximum packet payload lengths. */ #define ISO88025_MIN_LEN 0 #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 rd[RIF_MAX_RD]; /* routing designators */ }; 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 ISO88025_MAX_MTU 18000 #define ISO88025_DEFAULT_MTU 1500 #define senderr(e) { error = (e); goto bad;} #endif