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Checkpoint as of first successful tp connection, before posix, &
[unix-history] / usr / src / sys / netiso / iso.h
/***********************************************************
Copyright IBM Corporation 1987
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of IBM not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
/*
* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
*/
/* $Header: iso.h,v 4.9 88/09/11 18:06:38 hagens Exp $ */
/* $Source: /usr/argo/sys/netiso/RCS/iso.h,v $ */
/* @(#)iso.h 7.2 (Berkeley) %G% */
#ifndef __ISO__
#define __ISO__
/*
* Return true if this is a multicast address
* This assumes that the bit transmission is lsb first. This
* assumption is valid for 802.3 but not 802.5. There is a
* kludge to get around this for 802.5 -- see if_lan.c
* where subnetwork header is setup.
*/
#define IS_MULTICAST(snpa)\
((snpa)[0] & 0x01)
/*
* Protocols
*/
#define ISOPROTO_TP0 25 /* connection oriented transport protocol */
#define ISOPROTO_TP1 26 /* not implemented */
#define ISOPROTO_TP2 27 /* not implemented */
#define ISOPROTO_TP3 28 /* not implemented */
#define ISOPROTO_TP4 29 /* connection oriented transport protocol */
#define ISOPROTO_TP ISOPROTO_TP4 /* tp-4 with negotiation */
#define ISOPROTO_CLTP 30 /* connectionless transport (not yet impl.) */
#define ISOPROTO_CLNP 31 /* connectionless internetworking protocol */
#define ISOPROTO_X25 32 /* cons */
#define ISOPROTO_INACT_NL 33 /* inactive network layer! */
#define ISOPROTO_ESIS 34 /* ES-IS protocol */
#define ISOPROTO_RAW 255 /* raw clnp */
#define ISOPROTO_MAX 256
#define ISO_PORT_RESERVED 1024
#define ISO_PORT_USERRESERVED 5000
/*
* Port/socket numbers: standard network functions
* NOT PRESENTLY USED
*/
#define ISO_PORT_MAINT 501
#define ISO_PORT_ECHO 507
#define ISO_PORT_DISCARD 509
#define ISO_PORT_SYSTAT 511
#define ISO_PORT_NETSTAT 515
/*
* Port/socket numbers: non-standard application functions
*/
#define ISO_PORT_LOGIN 513
/*
* Port/socket numbers: public use
*/
#define ISO_PORT_PUBLIC 1024 /* high bit set --> public */
/*
* Network layer protocol identifiers
*/
#define ISO8473_CLNP 0x81
#define ISO9542_ESIS 0x82
#define ISO9542X25_ESIS 0x8a
#ifndef IN_CLASSA_NET
#include "../netinet/in.h"
#endif IN_CLASSA_NET
/*
* Type 37 Address
*
* This address is named for the value of its AFI (37). This format
* supports an X.121 address. A type 37 address has the following format:
*
* <----- idp -------> <- dsp ->
* <- afi -> <- idi -> <- dsp ->
* | "37" | 7 bytes | 9 bytes |
*
* The idi contains 14 bcd digits of X.121 address.
* The use of the dsp part is unknown.
*
* The afi is considered the "network" portion of the address.
* This means that you can't have multihoming in the x.25 environment.
* Makes loopback a bear.
*/
#define BIGSOCKADDRS
#ifdef BIGSOCKADDRS
#define ADDR37_IDI_LEN 7 /* 14 bcd digits == 7 octets */
#define ADDR37_DSP_LEN 9
#else
#define ADDR37_IDI_LEN 7 /* 14 bcd digits == 7 octets */
#define ADDR37_DSP_LEN 3 /* this is a lie to fit in sockaddr */
#endif BIGSOCKADDRS
struct addr_37 {
u_char a37_idi[ADDR37_IDI_LEN]; /* initial domain identifier */
u_char a37_dsp[ADDR37_DSP_LEN]; /* domain specific part */
};
struct ovl_37 { /* overlay for type 37 address */
u_char o37_afi; /* afi */
u_char o37_x121[ADDR37_IDI_LEN]; /* X.121 address */
u_char o37_dsp[ADDR37_DSP_LEN]; /* unknown use at this time */
};
/*
* OSINET address
*
* This style address is used by the OSINET group
* An OSINET address has the following (variable-length) format
*
* <----- idp -------> <---------------- dsp --------------------------->
* <- afi -> <- idi -> <---------------- dsp --------------------------->
* | "47" | "0004" | 11 bytes |
* | afi(1)| osinetid | orgid(2) | subnet id(2) | (4-8) | nsap sel(1) |
*
* the afi, orgid, and subnet id are considered the "network" portion of
* the address.
*/
#ifdef BIGSOCKADDRS
#define ADDROSINET_IDI_LEN 2
#define ADDROSINET_DSP_LEN 11
#else
#define ADDROSINET_IDI_LEN 2
#define ADDROSINET_DSP_LEN 8 /* this is a lie to fit in sockaddr */
#endif BIGSOCKADDRS
struct addr_osinet {
u_char aosi_idi[ADDROSINET_IDI_LEN]; /* initial domain identifier */
u_char aosi_dsp[ADDROSINET_DSP_LEN]; /* domain specific part */
};
#define OVLOSINET_ID_LEN 2
#ifdef BIGSOCKADDRS
#define OVLOSINET_ORGID_LEN 2
#define OVLOSINET_SNETID_LEN 2
#define OVLOSINET_SNPA_LEN 8
#define OVLOSINET_NSAP_LEN 1
#else
#define OVLOSINET_ORGID_LEN 2
#define OVLOSINET_SNETID_LEN 2
#define OVLOSINET_SNPA_LEN 5 /* this is a lie to fit in sockaddr */
#define OVLOSINET_NSAP_LEN 1
#endif BIGSOCKADDRS
struct ovl_osinet { /* overlay for osinet address */
u_char oosi_afi; /* afi */
u_char oosi_id[OVLOSINET_ID_LEN]; /* osinet id */
u_char oosi_orgid[OVLOSINET_ORGID_LEN]; /* orgid */
u_char oosi_snetid[OVLOSINET_SNETID_LEN]; /* subnet id */
u_char oosi_snpa[OVLOSINET_SNPA_LEN]; /* snpa */
u_char oosi_nsap[OVLOSINET_NSAP_LEN]; /* nsap sel */
};
/*
* RFC 986 address
*
* This style address is used when DOD internet addresses are used
* The format of rfc986 addresses is:
*
* <----- idp -------> <---------------- dsp -------------------->
* <- afi -> <- idi -> <---------------- dsp -------------------->
* | "47" | "0006" | 6 bytes |
* | afi(1)| idi(2) | version (1) | inet addr (4) | proto id(1) |
*
* the afi, idi, and network portion of the inet address are considered
* the "network" portion of the address.
*/
#define ADDRRFC986_IDI_LEN 2
#define ADDRRFC986_DSP_LEN 6
struct addr_rfc986 {
u_char a986_idi[ADDRRFC986_IDI_LEN]; /* initial domain identifier */
u_char a986_dsp[ADDRRFC986_DSP_LEN]; /* domain specific part */
};
#define OVLRFC986_INET_LEN 4
struct ovl_rfc986 {
u_char o986_afi; /* afi */
u_char o986_idi[ADDRRFC986_IDI_LEN]; /* idi */
u_char o986_vers; /* version */
u_char o986_inetaddr[OVLRFC986_INET_LEN]; /* internet address */
u_char o986_upid; /* upper protocol id */
};
#define RFC986V1 0x01 /* version of 986 addr */
#define AFI_37 0x37 /* bcd of "37" */
#define AFI_OSINET 0x47 /* bcd of "47" */
#define AFI_RFC986 0x47 /* bcd of "47" */
#define AFI_SNA 0x00 /* SubNetwork Address; invalid really...
- used by ES-IS */
/* the idi for type 37 addresses is very different than the others */
#define IDI_OSINET 0x0004 /* bcd of "0004" */
#define IDI_RFC986 0x0006 /* bcd of "0006" */
/*
* This address type is used to store a subnetwork address in a
* sockaddr_iso. The isoa_len field should contain the length of the
* subnetwork address plus the length of the afi (ie +1 ).
*
* This address format is used only by the ES-IS protocol
*/
#define ADDRSNA_IDI_LEN 7
struct addr_sn {
char sna_addr[ADDRSNA_IDI_LEN]; /* subnetwork address */
};
/*
* Type 47 is the biggest address: 11 bytes. The length of iso_addr
* is 13 bytes.
*/
struct old_iso_addr {
u_char isoa_afi; /* authority and format id */
union {
struct addr_37 addr_37; /* type 37 */
struct addr_osinet addr_osinet; /* type osinet */
struct addr_rfc986 addr_rfc986; /* type rfc986 */
struct addr_sn addr_sn; /* subnetwork address */
} isoa_u;
u_char isoa_len; /* length (in bytes) */
};
/* The following looks like a sockaddr
* in case we decide to use tree routines */
struct iso_addr {
u_char isoa_len; /* length (in bytes) */
char isoa_genaddr[20]; /* general opaque address */
};
#define t37_idi isoa_u.addr_37.a37_idi
#define t37_dsp isoa_u.addr_37.a37_dsp
#define osinet_idi isoa_u.addr_osinet.aosi_idi
#define osinet_dsp isoa_u.addr_osinet.aosi_dsp
#define rfc986_idi isoa_u.addr_rfc986.a986_idi
#define rfc986_dsp isoa_u.addr_rfc986.a986_dsp
#define sna_idi isoa_u.addr_sn.sna_addr
/*
* An iso_addr is 18 bytes, a sockaddr_iso is therefore 20 bytes.
* the struct sockaddr data field has been changed to 22 bytes.
*
* severly changed osinet and t37 addresses from argo code, we don't want
* sockaddrs to grow bigger than the original 16 bytes so we changed the
* t37 and osinet addresses so that they were only 10 bytes long
*/
struct sockaddr_iso {
u_char siso_len; /* length */
u_char siso_family; /* family */
u_char siso_ssuffixlen; /* session suffix len */
u_char siso_tsuffixlen; /* transport suffix len */
/* u_char siso_nsaptype; /* someday?? */
struct iso_addr siso_addr; /* network address */
u_char siso_pad[3]; /* make multiple of sizeof long */
};
#define siso_data siso_addr.isoa_genaddr
#define siso_nlen siso_addr.isoa_len
#define TSEL(s) ((caddr_t)((s)->siso_data + (s)->siso_nlen))
#define SAME_ISOADDR(a, b) \
(bcmp((a)->siso_data, (b)->siso_data, (unsigned)(a)->siso_nlen)==0)
#define NSAPTYPE_UNKNOWN -1
#define NSAPTYPE_INET 0
#define NSAPTYPE_X121BCD 1
#define NSAPTYPE_X121BIN 2
#define NSAPTYPE_DCCBCD 3
#define NSAPTYPE_DCCBIN 4
#define NSAPTYPE_OSINET 5
#define NSAPTYPE_RFC986 6
#ifdef KERNEL
extern int iso_netmatch();
extern int iso_hash();
extern int iso_addrmatch();
extern struct iso_ifaddr *iso_iaonnetof();
extern struct domain isodomain;
extern struct protosw isosw[];
#else
/* user utilities definitions from the iso library */
char *iso_ntoa();
struct hostent *iso_gethostbyname(), *iso_gethostbyaddr();
#endif KERNEL
#endif __ISO__
#define _offsetof(t, m) ((int)((caddr_t)&((t *)0)->m))
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.