2 * Copyright (c) 1998, Larry Lile
5 * For latest sources and information on this driver, please
6 * go to http://anarchy.stdio.com.
8 * Questions, comments or suggestions should be directed to
9 * Larry Lile <lile@stdio.com>.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice unmodified, this list of conditions, and the following
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * Information gathered from tokenring@freebsd, /sys/net/ethernet.h and
36 * the Mach token ring driver.
40 * Fundamental constants relating to iso 802.5
43 #ifndef _NET_ISO88025_H_
44 #define _NET_ISO88025_H_
47 * General ISO 802.5 definitions
49 #define ISO88025_ADDR_LEN 6
50 #define ISO88025_HDR_LEN (ISO88025_CF_LEN + (ISO88025_ADDR_LEN * 2))
51 #define ISO88025_CF_LEN 2
54 #define RIF_MAX_LEN 16
57 #define TR_LLC_FRAME 0x40
59 #define TR_4MBPS 4000000
60 #define TR_16MBPS 16000000
61 #define TR_100MBPS 100000000
67 #define TR_RCF_BCST_MASK 0xe000
68 #define TR_RCF_LEN_MASK 0x1f00
69 #define TR_RCF_DIR 0x0080
70 #define TR_RCF_LF_MASK 0x0070
72 #define TR_RCF_RIFLEN(x) ((ntohs(x) & TR_RCF_LEN_MASK) >> 8)
75 * Minimum and maximum packet payload lengths.
77 #define ISO88025_MIN_LEN 0
78 #define ISO88025_MAX_LEN_4 4464
79 #define ISO88025_MAX_LEN_16 17960
80 #define ISO88025_MAX_LEN ISO88025_MAX_LEN_16
83 * A macro to validate a length with
85 #define ISO88025_IS_VALID_LEN(foo) \
86 ((foo) >= ISO88025_MIN_LEN && (foo) <= ISO88025_MAX_LEN)
89 * ISO 802.5 physical header
91 struct iso88025_header {
92 u_int8_t ac; /* access control field */
93 u_int8_t fc; /* frame control field */
94 u_int8_t iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */
95 u_int8_t iso88025_shost[ISO88025_ADDR_LEN]; /* source address */
96 u_int16_t rcf; /* route control field */
97 u_int16_t rd[RIF_MAX_RD]; /* routing designators */
98 } __attribute__ ((__packed__));
100 struct iso88025_rif {
101 u_int16_t rcf; /* route control field */
102 u_int16_t rd[RIF_MAX_RD]; /* routing designators */
103 } __attribute__ ((__packed__));
105 struct iso88025_sockaddr_data {
106 u_char ether_dhost[ISO88025_ADDR_LEN];
107 u_char ether_shost[ISO88025_ADDR_LEN];
113 * Structure of a 48-bit iso 802.5 address.
114 * ( We could also add the 16 bit addresses as a union)
116 struct iso88025_addr {
117 u_char octet[ISO88025_ADDR_LEN];
120 #define ISO88025_MAX_MTU 18000
121 #define ISO88025_DEFAULT_MTU 1500
122 #define senderr(e) { error = (e); goto bad;}
124 void iso88025_ifattach (struct ifnet *);
125 void iso88025_ifdetach (struct ifnet *, int);
126 int iso88025_ioctl (struct ifnet *, int , caddr_t );
127 int iso88025_output (struct ifnet *, struct mbuf *, struct sockaddr *,
129 void iso88025_input (struct ifnet *, struct iso88025_header *,