| /* |
| * 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 1.7 2002/05/08 01:08:26 kbyanc 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_4 4464 |
| #define ISO88025_MAX_LEN_16 17960 |
| #define ISO88025_MAX_LEN ISO88025_MAX_LEN_16 |
| |
| /* |
| * 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_int8_t ac; /* access control field */ |
| u_int8_t fc; /* frame control field */ |
| u_int8_t iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */ |
| u_int8_t iso88025_shost[ISO88025_ADDR_LEN]; /* source address */ |
| u_int16_t rcf; /* route control field */ |
| u_int16_t rd[RIF_MAX_RD]; /* routing designators */ |
| } __attribute__ ((__packed__)); |
| |
| struct iso88025_rif { |
| u_int16_t rcf; /* route control field */ |
| u_int16_t rd[RIF_MAX_RD]; /* routing designators */ |
| } __attribute__ ((__packed__)); |
| |
| struct iso88025_sockaddr_data { |
| u_char ether_dhost[ISO88025_ADDR_LEN]; |
| u_char ether_shost[ISO88025_ADDR_LEN]; |
| u_char ac; |
| u_char fc; |
| }; |
| |
| struct iso88025_sockaddr_dl_data { |
| u_short trld_rcf; |
| u_short *trld_route[RIF_MAX_LEN]; |
| }; |
| |
| #define ISO88025_MIN(a, b) (((a)<(b))?(a):(b)) |
| #define SDL_ISO88025(s) ((struct iso88025_sockaddr_dl_data *) \ |
| ((s)->sdl_data + \ |
| ISO88025_MIN((s)->sdl_nlen + (s)->sdl_alen + \ |
| (s)->sdl_slen, 12))) |
| |
| /* |
| * 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;} |
| |
| void iso88025_ifattach (struct ifnet *); |
| void iso88025_ifdetach (struct ifnet *, int); |
| int iso88025_ioctl (struct ifnet *, int , caddr_t ); |
| int iso88025_output (struct ifnet *, struct mbuf *, struct sockaddr *, |
| struct rtentry *); |
| void iso88025_input (struct ifnet *, struct iso88025_header *, |
| struct mbuf *); |
| |
| #endif |