1 //==========================================================================
3 // include/net/iso88025.h
5 //==========================================================================
6 //####BSDCOPYRIGHTBEGIN####
8 // -------------------------------------------
10 // Portions of this software may have been derived from OpenBSD,
11 // FreeBSD or other sources, and are covered by the appropriate
12 // copyright disclaimers included herein.
14 // Portions created by Red Hat are
15 // Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
17 // -------------------------------------------
19 //####BSDCOPYRIGHTEND####
20 //==========================================================================
23 * Copyright (c) 1998, Larry Lile
24 * All rights reserved.
26 * For latest sources and information on this driver, please
27 * go to http://anarchy.stdio.com.
29 * Questions, comments or suggestions should be directed to
30 * Larry Lile <lile@stdio.com>.
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
35 * 1. Redistributions of source code must retain the above copyright
36 * notice unmodified, this list of conditions, and the following
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * $FreeBSD: src/sys/net/iso88025.h,v 1.3.2.1 2000/10/14 20:01:06 lile Exp $
56 * Information gathered from tokenring@freebsd, /sys/net/ethernet.h and
57 * the Mach token ring driver.
61 * Fundamental constants relating to iso 802.5
64 #ifndef _NET_ISO88025_H_
65 #define _NET_ISO88025_H_
68 * General ISO 802.5 definitions
70 #define ISO88025_ADDR_LEN 6
71 #define ISO88025_HDR_LEN (ISO88025_CF_LEN + (ISO88025_ADDR_LEN * 2))
72 #define ISO88025_CF_LEN 2
75 #define RIF_MAX_LEN 16
78 #define TR_LLC_FRAME 0x40
80 #define TR_4MBPS 4000000
81 #define TR_16MBPS 16000000
82 #define TR_100MBPS 100000000
88 #define TR_RCF_BCST_MASK 0xe000
89 #define TR_RCF_LEN_MASK 0x1f00
90 #define TR_RCF_DIR 0x0080
91 #define TR_RCF_LF_MASK 0x0070
93 #define TR_RCF_RIFLEN(x) ((ntohs(x) & TR_RCF_LEN_MASK) >> 8)
96 * Minimum and maximum packet payload lengths.
98 #define ISO88025_MIN_LEN 0
99 #define ISO88025_MAX_LEN 17960
102 * A macro to validate a length with
104 #define ISO88025_IS_VALID_LEN(foo) \
105 ((foo) >= ISO88025_MIN_LEN && (foo) <= ISO88025_MAX_LEN)
108 * ISO 802.5 physical header
110 struct iso88025_header {
111 u_char ac; /* access control field */
112 u_char fc; /* frame control field */
113 u_char iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */
114 u_char iso88025_shost[ISO88025_ADDR_LEN]; /* source address */
115 u_short rcf; /* route control field */
116 u_short rd[RIF_MAX_RD]; /* routing designators */
119 struct iso88025_sockaddr_data {
120 u_char ether_dhost[ISO88025_ADDR_LEN];
121 u_char ether_shost[ISO88025_ADDR_LEN];
127 * Structure of a 48-bit iso 802.5 address.
128 * ( We could also add the 16 bit addresses as a union)
130 struct iso88025_addr {
131 u_char octet[ISO88025_ADDR_LEN];
134 #define ISO88025_MAX_MTU 18000
135 #define ISO88025_DEFAULT_MTU 1500
136 #define senderr(e) { error = (e); goto bad;}
138 void iso88025_ifattach __P((struct ifnet *));
139 int iso88025_ioctl __P((struct ifnet *, int , caddr_t ));
140 int iso88025_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
141 void iso88025_input __P((struct ifnet *, struct iso88025_header *, struct mbuf *));