diff options
Diffstat (limited to 'freebsd/sys/net/if_arc.h')
| -rw-r--r-- | freebsd/sys/net/if_arc.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/freebsd/sys/net/if_arc.h b/freebsd/sys/net/if_arc.h new file mode 100644 index 00000000..6be5d4e1 --- /dev/null +++ b/freebsd/sys/net/if_arc.h @@ -0,0 +1,143 @@ +/* $NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp $ */ +/* $FreeBSD$ */ + +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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, 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. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp + * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 + */ + +#ifndef _NET_IF_ARC_HH_ +#define _NET_IF_ARC_HH_ + +/* + * Arcnet address - 1 octets + * don't know who uses this. + */ +struct arc_addr { + u_int8_t arc_addr_octet[1]; +} __packed; + +/* + * Structure of a 2.5MB/s Arcnet header. + * as given to interface code. + */ +struct arc_header { + u_int8_t arc_shost; + u_int8_t arc_dhost; + u_int8_t arc_type; + /* + * only present for newstyle encoding with LL fragmentation. + * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead. + */ + u_int8_t arc_flag; + u_int16_t arc_seqid; + + /* + * only present in exception packets (arc_flag == 0xff) + */ + u_int8_t arc_type2; /* same as arc_type */ + u_int8_t arc_flag2; /* real flag value */ + u_int16_t arc_seqid2; /* real seqid value */ +} __packed; + +#define ARC_ADDR_LEN 1 + +#define ARC_HDRLEN 3 +#define ARC_HDRNEWLEN 6 +#define ARC_HDRNEWLEN_EXC 10 + +/* these lengths are data link layer length - 2 * ARC_ADDR_LEN */ +#define ARC_MIN_LEN 1 +#define ARC_MIN_FORBID_LEN 254 +#define ARC_MAX_FORBID_LEN 256 +#define ARC_MAX_LEN 508 +#define ARC_MAX_DATA 504 + +/* RFC 1051 */ +#define ARCTYPE_IP_OLD 240 /* IP protocol */ +#define ARCTYPE_ARP_OLD 241 /* address resolution protocol */ + +/* RFC 1201 */ +#define ARCTYPE_IP 212 /* IP protocol */ +#define ARCTYPE_ARP 213 /* address resolution protocol */ +#define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */ + +#define ARCTYPE_ATALK 221 /* Appletalk */ +#define ARCTYPE_BANIAN 247 /* Banyan Vines */ +#define ARCTYPE_IPX 250 /* Novell IPX */ + +#define ARCTYPE_INET6 0xc4 /* IPng */ +#define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */ + +#define ARCMTU 507 +#define ARCMIN 0 + +#define ARC_PHDS_MAXMTU 60480 + +struct arccom { + struct ifnet *ac_ifp; /* network-visible interface */ + + u_int16_t ac_seqid; /* seq. id used by PHDS encap. */ + + u_int8_t arc_shost; + u_int8_t arc_dhost; + u_int8_t arc_type; + + u_int8_t dummy0; + u_int16_t dummy1; + int sflag, fsflag, rsflag; + struct mbuf *curr_frag; + + struct ac_frag { + u_int8_t af_maxflag; /* from first packet */ + u_int8_t af_lastseen; /* last split flag seen */ + u_int16_t af_seqid; + struct mbuf *af_packet; + } ac_fragtab[256]; /* indexed by sender ll address */ +}; + +#ifdef _KERNEL +extern u_int8_t arcbroadcastaddr; +extern int arc_ipmtu; /* XXX new ip only, no RFC 1051! */ + +void arc_ifattach(struct ifnet *, u_int8_t); +void arc_ifdetach(struct ifnet *); +void arc_storelladdr(struct ifnet *, u_int8_t); +int arc_isphds(u_int8_t); +void arc_input(struct ifnet *, struct mbuf *); +int arc_output(struct ifnet *, struct mbuf *, + struct sockaddr *, struct route *); +int arc_ioctl(struct ifnet *, u_long, caddr_t); + +void arc_frag_init(struct ifnet *); +struct mbuf * arc_frag_next(struct ifnet *); +#endif + +#endif /* _NET_IF_ARC_HH_ */ |