diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/net/iso88025.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/net/iso88025.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/net/iso88025.h b/newlib/libc/sys/linux/include/net/iso88025.h new file mode 100644 index 000000000..898fc1c3d --- /dev/null +++ b/newlib/libc/sys/linux/include/net/iso88025.h @@ -0,0 +1,143 @@ +/* + * 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 |