+/***********************************************************
+ 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 $ */
+
+#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.
+ */
+#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 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) */
+};
+
+#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_short siso_family; /* family */
+ u_short siso_tsuffix; /* transport suffix */
+ struct iso_addr siso_addr; /* network address */
+};
+
+#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__
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