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Diffstat (limited to 'sys/net/iso88025.h')
| -rw-r--r-- | sys/net/iso88025.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sys/net/iso88025.h b/sys/net/iso88025.h new file mode 100644 index 0000000..ba08c33 --- /dev/null +++ b/sys/net/iso88025.h @@ -0,0 +1,105 @@ +/* + * 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. + * + * $Id: iso88025.h,v 1.10 1999/01/09 19:01:58 lile 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_ + +/* + * The number of bytes in an iso 802.5 (MAC) address. + */ +#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_LEN 16 + + +/* + * The minimum packet length. + */ +#define ISO88025_MIN_LEN 0 /* This offends my morality */ + +/* + * The maximum packet length. + */ +#define ISO88025_MAX_LEN 17960 + +/* + * 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_char ac; /* access control field */ + u_char fc; /* frame control field */ + u_char iso88025_dhost[ISO88025_ADDR_LEN]; /* destination address */ + u_char iso88025_shost[ISO88025_ADDR_LEN]; /* source address */ + u_short rcf; /* route control field */ + u_short rseg[RIF_LEN]; /* routing registers */ +}; + +/* + * 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 ISO88025MTU 18000 +#define ISO88025_DEFAULT_MTU 1500 +#define senderr(e) { error = (e); goto bad;} + +void iso88025_ifattach __P((struct ifnet *)); +int iso88025_ioctl __P((struct ifnet *, int , caddr_t )); +int iso88025_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *)); +void iso88025_input __P((struct ifnet *, struct iso88025_header *, struct mbuf *)); + + +#endif |
