256 lines
7.9 KiB
C
256 lines
7.9 KiB
C
/* $NetBSD: iso.h,v 1.23 2009/03/18 15:14:32 cegger Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)iso.h 8.1 (Berkeley) 6/10/93
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*/
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/***********************************************************
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Copyright IBM Corporation 1987
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
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*/
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#ifndef _NETISO_ISO_H_
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#define _NETISO_ISO_H_
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#include <sys/ansi.h>
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#ifndef sa_family_t
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typedef __sa_family_t sa_family_t;
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#define sa_family_t __sa_family_t
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#endif
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/*
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* Return true if this is a multicast address
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* This assumes that the bit transmission is lsb first. This
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* assumption is valid for 802.3 but not 802.5. There is a
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* kludge to get around this for 802.5 -- see if_lan.c
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* where subnetwork header is setup.
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*/
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#define IS_MULTICAST(snpa)\
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((snpa)[0] & 0x01)
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/*
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* Protocols
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*/
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#define ISOPROTO_TCP 6 /* IETF experiment */
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#define ISOPROTO_UDP 17 /* IETF experiment */
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#define ISOPROTO_TP0 25 /* connection oriented transport protocol */
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#define ISOPROTO_TP1 26 /* not implemented */
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#define ISOPROTO_TP2 27 /* not implemented */
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#define ISOPROTO_TP3 28 /* not implemented */
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#define ISOPROTO_TP4 29 /* connection oriented transport protocol */
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#define ISOPROTO_TP ISOPROTO_TP4 /* tp-4 with negotiation */
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#define ISOPROTO_CLTP 30 /* connectionless transport (not yet impl.) */
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#define ISOPROTO_CLNP 31 /* connectionless internetworking protocol */
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#define ISOPROTO_X25 32 /* cons */
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#define ISOPROTO_INACT_NL 33 /* inactive network layer! */
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#define ISOPROTO_ESIS 34 /* ES-IS protocol */
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#define ISOPROTO_INTRAISIS 35 /* IS-IS protocol */
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#define ISOPROTO_IDRP 36 /* Interdomain Routing Protocol */
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#define ISOPROTO_RAW 255 /* raw clnp */
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#define ISOPROTO_MAX 256
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#define ISO_PORT_RESERVED 1024
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#define ISO_PORT_USERRESERVED 5000
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/*
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* Port/socket numbers: standard network functions
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* NOT PRESENTLY USED
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*/
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#define ISO_PORT_MAINT 501
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#define ISO_PORT_ECHO 507
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#define ISO_PORT_DISCARD 509
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#define ISO_PORT_SYSTAT 511
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#define ISO_PORT_NETSTAT 515
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/*
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* Port/socket numbers: non-standard application functions
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*/
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#define ISO_PORT_LOGIN 513
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/*
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* Port/socket numbers: public use
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*/
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#define ISO_PORT_PUBLIC 1024 /* high bit set --> public */
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/*
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* Network layer protocol identifiers
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*/
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#define ISO8473_CLNP 0x81
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#define ISO9542_ESIS 0x82
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#define ISO9542X25_ESIS 0x8a
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#define ISO10589_ISIS 0x83
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#define ISO8878A_CONS 0x84
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#define ISO10747_IDRP 0x85
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#ifndef IN_CLASSA_NET
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#include <netinet/in.h>
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#endif /* IN_CLASSA_NET */
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/*
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* The following looks like a sockaddr to facilitate using tree lookup
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* routines
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*/
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struct iso_addr {
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uint8_t isoa_len; /* length (in bytes) */
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char isoa_genaddr[20]; /* general opaque address */
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};
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struct sockaddr_iso {
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uint8_t siso_len; /* length */
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sa_family_t siso_family; /* family */
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uint8_t siso_plen; /* presentation selector length */
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uint8_t siso_slen; /* session selector length */
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uint8_t siso_tlen; /* transport selector length */
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struct iso_addr siso_addr; /* network address */
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uint8_t siso_pad[6]; /* space for gosip v2 sels */
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/* makes struct 32 bytes long */
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};
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#define siso_nlen siso_addr.isoa_len
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#define siso_data siso_addr.isoa_genaddr
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static inline void *
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WRITABLE_TSEL(struct sockaddr_iso *siso)
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{
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return &siso->siso_data[siso->siso_nlen];
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}
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static inline const char *
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TSEL(const struct sockaddr_iso *siso)
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{
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return &siso->siso_data[siso->siso_nlen];
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}
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#define SAME_ISOADDR(a, b) \
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(memcmp((a)->siso_data, (b)->siso_data, (unsigned)(a)->siso_nlen)==0)
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#define SAME_ISOIFADDR(a, b) (memcmp((a)->siso_data, (b)->siso_data, \
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(unsigned)((b)->siso_nlen - (b)->siso_tlen)) == 0)
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/*
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* The following are specific values for siso->siso_data[0],
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* otherwise known as the AFI:
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*/
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#define AFI_37 0x37 /* bcd of "37" */
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#define AFI_OSINET 0x47 /* bcd of "47" */
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#define AFI_RFC986 0x47 /* bcd of "47" */
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#define AFI_SNA 0x00 /* SubNetwork Address; invalid really... */
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#ifdef _KERNEL
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#include <sys/protosw.h>
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extern struct domain isodomain;
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extern const struct protosw isosw[];
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#define satosiso(sa) ((struct sockaddr_iso *)(sa))
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#define satocsiso(sa) ((const struct sockaddr_iso *)(sa))
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#define sisotosa(siso) ((struct sockaddr *)(siso))
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int sockaddr_iso_cmp(const struct sockaddr *, const struct sockaddr *);
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static inline int
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sockaddr_iso_init1(struct sockaddr_iso *siso, const struct iso_addr *addr)
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{
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memset(&siso->siso_plen, 0,
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sizeof(*siso) - offsetof(struct sockaddr_iso, siso_plen));
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if (offsetof(struct iso_addr, isoa_genaddr[addr->isoa_len]) >
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sizeof(struct iso_addr))
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return EINVAL;
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memcpy(&siso->siso_addr, addr,
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offsetof(struct iso_addr, isoa_genaddr[addr->isoa_len]));
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return 0;
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}
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static inline int
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sockaddr_iso_init(struct sockaddr_iso *siso, const struct iso_addr *addr)
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{
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siso->siso_family = AF_ISO;
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siso->siso_len = sizeof(*siso);
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return sockaddr_iso_init1(siso, addr);
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}
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static inline struct sockaddr *
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sockaddr_iso_alloc(const struct iso_addr *addr, int flags)
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{
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struct sockaddr *sa;
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sa = sockaddr_alloc(AF_ISO, sizeof(struct sockaddr_iso), flags);
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if (sa == NULL)
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return NULL;
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if (sockaddr_iso_init1(satosiso(sa), addr) != 0) {
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sockaddr_free(sa);
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return NULL;
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}
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return sa;
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}
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#else
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/* user utilities definitions from the iso library */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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struct iso_addr *iso_addr(const char *);
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char *iso_ntoa(const struct iso_addr *);
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/* THESE DON'T EXIST YET */
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struct hostent *iso_gethostbyname(const char *);
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struct hostent *iso_gethostbyaddr(const char *, int, int);
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__END_DECLS
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#endif /* _KERNEL */
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#endif /* !_NETISO_ISO_H_ */
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