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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [net/] [iso88025.h] - Rev 301
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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. * * $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
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