iso88025.h revision 264299
1179237Sjb/*- 2179237Sjb * Copyright (c) 1998, Larry Lile 3179237Sjb * All rights reserved. 4179237Sjb * 5179237Sjb * For latest sources and information on this driver, please 6179237Sjb * go to http://anarchy.stdio.com. 7179237Sjb * 8179237Sjb * Questions, comments or suggestions should be directed to 9179237Sjb * Larry Lile <lile@stdio.com>. 10179237Sjb * 11179237Sjb * Redistribution and use in source and binary forms, with or without 12179237Sjb * modification, are permitted provided that the following conditions 13179237Sjb * are met: 14179237Sjb * 1. Redistributions of source code must retain the above copyright 15179237Sjb * notice unmodified, this list of conditions, and the following 16179237Sjb * disclaimer. 17179237Sjb * 2. Redistributions in binary form must reproduce the above copyright 18179237Sjb * notice, this list of conditions and the following disclaimer in the 19179237Sjb * documentation and/or other materials provided with the distribution. 20179237Sjb * 21179237Sjb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22179237Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23179237Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24179237Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25179237Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26179237Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27179237Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28179237Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29179237Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30179237Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31179237Sjb * SUCH DAMAGE. 32179237Sjb * 33179237Sjb * $FreeBSD: stable/10/sys/net/iso88025.h 264299 2014-04-09 11:15:50Z glebius $ 34179237Sjb * 35179237Sjb * Information gathered from tokenring@freebsd, /sys/net/ethernet.h and 36179237Sjb * the Mach token ring driver. 37179237Sjb */ 38179237Sjb 39211610Srpaulo/* 40179237Sjb * Fundamental constants relating to iso 802.5 41179237Sjb */ 42179237Sjb 43179237Sjb#ifndef _NET_ISO88025_H_ 44179237Sjb#define _NET_ISO88025_H_ 45179237Sjb 46179237Sjb/* 47179237Sjb * General ISO 802.5 definitions 48179237Sjb */ 49179237Sjb#define ISO88025_ADDR_LEN 6 50179237Sjb#define ISO88025_CF_LEN 2 51179237Sjb#define ISO88025_HDR_LEN (ISO88025_CF_LEN + (ISO88025_ADDR_LEN * 2)) 52179237Sjb#define RCF_LEN 2 53179237Sjb#define RIF_MAX_RD 14 54179237Sjb#define RIF_MAX_LEN 16 55179237Sjb 56179237Sjb#define TR_AC 0x10 57179237Sjb#define TR_LLC_FRAME 0x40 58179237Sjb 59179237Sjb#define TR_4MBPS 4000000 60179237Sjb#define TR_16MBPS 16000000 61179237Sjb#define TR_100MBPS 100000000 62179237Sjb 63211610Srpaulo/* 64211610Srpaulo * Source routing 65211610Srpaulo */ 66179237Sjb#define TR_RII 0x80 67179237Sjb#define TR_RCF_BCST_MASK 0xe000 68179237Sjb#define TR_RCF_LEN_MASK 0x1f00 69179237Sjb#define TR_RCF_DIR 0x0080 70179237Sjb#define TR_RCF_LF_MASK 0x0070 71179237Sjb 72179237Sjb#define TR_RCF_RIFLEN(x) ((ntohs(x) & TR_RCF_LEN_MASK) >> 8) 73179237Sjb 74211610Srpaulo/* 75179237Sjb * Minimum and maximum packet payload lengths. 76179237Sjb */ 77179237Sjb#define ISO88025_MIN_LEN 0 78179237Sjb#define ISO88025_MAX_LEN_4 4464 79179237Sjb#define ISO88025_MAX_LEN_16 17960 80179237Sjb#define ISO88025_MAX_LEN ISO88025_MAX_LEN_16 81179237Sjb 82211610Srpaulo/* 83211610Srpaulo * A macro to validate a length with 84211610Srpaulo */ 85179237Sjb#define ISO88025_IS_VALID_LEN(foo) \ 86179237Sjb ((foo) >= ISO88025_MIN_LEN && (foo) <= ISO88025_MAX_LEN) 87269342Smarkj 88179237Sjb/* Access Control field */ 89179237Sjb#define AC_PRI_MASK 0xe0 /* Priority bits */ 90179237Sjb#define AC_TOKEN 0x10 /* Token bit: 0=Token, 1=Frame */ 91179237Sjb#define AC_MONITOR 0x08 /* Monitor */ 92179237Sjb#define AC_RESV_MASK 0x07 /* Reservation bits */ 93179237Sjb 94179237Sjb/* Frame Control field */ 95179237Sjb#define FC_FT_MASK 0xc0 /* Frame Type */ 96179237Sjb#define FC_FT_MAC 0x00 /* MAC frame */ 97179237Sjb#define FC_FT_LLC 0x40 /* LLC frame */ 98179237Sjb#define FC_ATTN_MASK 0x0f /* Attention bits */ 99179237Sjb#define FC_ATTN_EB 0x01 /* Express buffer */ 100179237Sjb#define FC_ATTN_BE 0x02 /* Beacon */ 101211610Srpaulo#define FC_ATTN_CT 0x03 /* Claim token */ 102211610Srpaulo#define FC_ATTN_RP 0x04 /* Ring purge */ 103211610Srpaulo#define FC_ATTN_AMP 0x05 /* Active monitor present */ 104211610Srpaulo#define FC_ATTN_SMP 0x06 /* Standby monitor present */ 105211610Srpaulo 106211610Srpaulo/* Token Ring destination address */ 107211610Srpaulo#define DA_IG 0x80 /* Individual/group address. */ 108211610Srpaulo /* 0=Individual, 1=Group */ 109211610Srpaulo#define DA_UL 0x40 /* Universal/local address. */ 110211610Srpaulo /* 0=Universal, 1=Local */ 111211610Srpaulo/* Token Ring source address */ 112269342Smarkj#define SA_RII 0x80 /* Routing information indicator */ 113211610Srpaulo#define SA_IG 0x40 /* Individual/group address */ 114211610Srpaulo /* 0=Group, 1=Individual */ 115211610Srpaulo 116211610Srpaulo/* 117269342Smarkj * ISO 802.5 physical header 118211610Srpaulo */ 119211610Srpaulostruct iso88025_header { 120211610Srpaulo u_int8_t ac; /* access control field */ 121211610Srpaulo u_int8_t fc; /* frame control field */ 122211610Srpaulo u_int8_t iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */ 123211610Srpaulo u_int8_t iso88025_shost[ISO88025_ADDR_LEN]; /* source address */ 124211610Srpaulo u_int16_t rcf; /* route control field */ 125211610Srpaulo u_int16_t rd[RIF_MAX_RD]; /* routing designators */ 126179237Sjb} __packed; 127179237Sjb 128211610Srpaulostruct iso88025_rif { 129179237Sjb u_int16_t rcf; /* route control field */ 130179237Sjb u_int16_t rd[RIF_MAX_RD]; /* routing designators */ 131179237Sjb} __packed; 132179237Sjb 133179237Sjbstruct iso88025_sockaddr_data { 134211610Srpaulo u_char ether_dhost[ISO88025_ADDR_LEN]; 135179237Sjb u_char ether_shost[ISO88025_ADDR_LEN]; 136179237Sjb u_char ac; 137179237Sjb u_char fc; 138179237Sjb}; 139268578Srpaulo 140179237Sjbstruct iso88025_sockaddr_dl_data { 141179237Sjb u_short trld_rcf; 142179237Sjb u_short *trld_route[RIF_MAX_LEN]; 143179237Sjb}; 144179237Sjb 145179237Sjb#define ISO88025_MAX(a, b) (((a)>(b))?(a):(b)) 146179237Sjb#define SDL_ISO88025(s) ((struct iso88025_sockaddr_dl_data *) \ 147179237Sjb ((s)->sdl_data + \ 148179237Sjb ISO88025_MAX((s)->sdl_nlen + (s)->sdl_alen + \ 149179237Sjb (s)->sdl_slen, 12))) 150179237Sjb 151179237Sjb/* 152179237Sjb * Structure of a 48-bit iso 802.5 address. 153179237Sjb * ( We could also add the 16 bit addresses as a union) 154179237Sjb */ 155179237Sjbstruct iso88025_addr { 156179237Sjb u_char octet[ISO88025_ADDR_LEN]; 157179237Sjb}; 158179237Sjb 159179237Sjb#define ISO88025_MAX_MTU 18000 160179237Sjb#define ISO88025_DEFAULT_MTU 1500 161179237Sjb 162179237Sjb#define ISO88025_BPF_UNSUPPORTED 0 163179237Sjb#define ISO88025_BPF_SUPPORTED 1 164179237Sjb 165179237Sjb#ifdef _KERNEL 166179237Sjbvoid iso88025_ifattach (struct ifnet *, const u_int8_t *, int); 167179237Sjbvoid iso88025_ifdetach (struct ifnet *, int); 168179237Sjbint iso88025_ioctl (struct ifnet *, u_long, caddr_t ); 169int iso88025_output (struct ifnet *, struct mbuf *, 170 const struct sockaddr *, struct route *); 171void iso88025_input (struct ifnet *, struct mbuf *); 172#endif /* _KERNEL */ 173 174#endif /* !_NET_ISO88025_H_ */ 175