| /*- |
| * 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 1.18.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $ |
| * |
| * Information gathered from tokenring@freebsd, /sys/net/ethernet.h and |
| * the Mach token ring driver. |
| */ |
| |
| /* |
| * Fundamental constants relating to iso 802.5 |
| */ |
| |
| #ifndef _BSD_NET_ISO88025_H_ |
| #define _BSD_NET_ISO88025_H_ |
| |
| /* |
| * General ISO 802.5 definitions |
| */ |
| #define ISO88025_ADDR_LEN 6 |
| #define ISO88025_CF_LEN 2 |
| #define ISO88025_HDR_LEN (ISO88025_CF_LEN + (ISO88025_ADDR_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) |
| |
| /* Access Control field */ |
| #define AC_PRI_MASK 0xe0 /* Priority bits */ |
| #define AC_TOKEN 0x10 /* Token bit: 0=Token, 1=Frame */ |
| #define AC_MONITOR 0x08 /* Monitor */ |
| #define AC_RESV_MASK 0x07 /* Reservation bits */ |
| |
| /* Frame Control field */ |
| #define FC_FT_MASK 0xc0 /* Frame Type */ |
| #define FC_FT_MAC 0x00 /* MAC frame */ |
| #define FC_FT_LLC 0x40 /* LLC frame */ |
| #define FC_ATTN_MASK 0x0f /* Attention bits */ |
| #define FC_ATTN_EB 0x01 /* Express buffer */ |
| #define FC_ATTN_BE 0x02 /* Beacon */ |
| #define FC_ATTN_CT 0x03 /* Claim token */ |
| #define FC_ATTN_RP 0x04 /* Ring purge */ |
| #define FC_ATTN_AMP 0x05 /* Active monitor present */ |
| #define FC_ATTN_SMP 0x06 /* Standby monitor present */ |
| |
| /* Token Ring destination address */ |
| #define DA_IG 0x80 /* Individual/group address. */ |
| /* 0=Individual, 1=Group */ |
| #define DA_UL 0x40 /* Universal/local address. */ |
| /* 0=Universal, 1=Local */ |
| /* Token Ring source address */ |
| #define SA_RII 0x80 /* Routing information indicator */ |
| #define SA_IG 0x40 /* Individual/group address */ |
| /* 0=Group, 1=Individual */ |
| |
| /* |
| * 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 */ |
| } __packed; |
| |
| struct iso88025_rif { |
| u_int16_t rcf; /* route control field */ |
| u_int16_t rd[RIF_MAX_RD]; /* routing designators */ |
| } __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_MAX(a, b) (((a)>(b))?(a):(b)) |
| #define SDL_ISO88025(s) ((struct iso88025_sockaddr_dl_data *) \ |
| ((s)->sdl_data + \ |
| ISO88025_MAX((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 ISO88025_BPF_UNSUPPORTED 0 |
| #define ISO88025_BPF_SUPPORTED 1 |
| |
| void iso88025_ifattach (struct ifnet *, const u_int8_t *, int); |
| void iso88025_ifdetach (struct ifnet *, int); |
| int iso88025_ioctl (struct ifnet *, u_long, caddr_t ); |
| int iso88025_output (struct ifnet *, struct mbuf *, struct sockaddr *, |
| struct route *); |
| void iso88025_input (struct ifnet *, struct mbuf *); |
| |
| #endif |