xref: /original-bsd/sys/netiso/iso.h (revision 8fbb78b3)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  *
7  *	@(#)iso.h	7.6 (Berkeley) 05/06/91
8  */
9 
10 /***********************************************************
11 		Copyright IBM Corporation 1987
12 
13                       All Rights Reserved
14 
15 Permission to use, copy, modify, and distribute this software and its
16 documentation for any purpose and without fee is hereby granted,
17 provided that the above copyright notice appear in all copies and that
18 both that copyright notice and this permission notice appear in
19 supporting documentation, and that the name of IBM not be
20 used in advertising or publicity pertaining to distribution of the
21 software without specific, written prior permission.
22 
23 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
24 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
25 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
26 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
27 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
28 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
29 SOFTWARE.
30 
31 ******************************************************************/
32 
33 /*
34  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
35  */
36 /* $Header: iso.h,v 4.9 88/09/11 18:06:38 hagens Exp $ */
37 /* $Source: /usr/argo/sys/netiso/RCS/iso.h,v $ */
38 
39 #ifndef __ISO__
40 #define __ISO__
41 
42 /*
43  *	Return true if this is a multicast address
44  *	This assumes that the bit transmission is lsb first. This
45  *	assumption is valid for 802.3 but not 802.5. There is a
46  *	kludge to get around this for 802.5 -- see if_lan.c
47  *	where subnetwork header is setup.
48  */
49 #define	IS_MULTICAST(snpa)\
50 	((snpa)[0] & 0x01)
51 
52 /*
53  * Protocols
54  */
55 #define	ISOPROTO_TP0	25		/* connection oriented transport protocol */
56 #define	ISOPROTO_TP1	26		/* not implemented */
57 #define	ISOPROTO_TP2	27		/* not implemented */
58 #define	ISOPROTO_TP3	28		/* not implemented */
59 #define	ISOPROTO_TP4	29		/* connection oriented transport protocol */
60 #define	ISOPROTO_TP		ISOPROTO_TP4	 /* tp-4 with negotiation */
61 #define	ISOPROTO_CLTP	30		/* connectionless transport (not yet impl.) */
62 #define	ISOPROTO_CLNP	31		/* connectionless internetworking protocol */
63 #define	ISOPROTO_X25	32		/* cons */
64 #define	ISOPROTO_INACT_NL	33	/* inactive network layer! */
65 #define	ISOPROTO_ESIS	34		/* ES-IS protocol */
66 #define	ISOPROTO_INTRAISIS	35		/* IS-IS protocol */
67 
68 #define	ISOPROTO_RAW	255		/* raw clnp */
69 #define	ISOPROTO_MAX	256
70 
71 #define	ISO_PORT_RESERVED		1024
72 #define	ISO_PORT_USERRESERVED	5000
73 /*
74  * Port/socket numbers: standard network functions
75  * NOT PRESENTLY USED
76  */
77 #define	ISO_PORT_MAINT		501
78 #define	ISO_PORT_ECHO		507
79 #define	ISO_PORT_DISCARD	509
80 #define	ISO_PORT_SYSTAT		511
81 #define	ISO_PORT_NETSTAT	515
82 /*
83  * Port/socket numbers: non-standard application functions
84  */
85 #define ISO_PORT_LOGIN		513
86 /*
87  * Port/socket numbers: public use
88  */
89 #define ISO_PORT_PUBLIC		1024		/* high bit set --> public */
90 
91 /*
92  *	Network layer protocol identifiers
93  */
94 #define ISO8473_CLNP	0x81
95 #define	ISO9542_ESIS	0x82
96 #define ISO9542X25_ESIS	0x8a
97 #define ISO10589_ISIS		0x83
98 
99 
100 #ifndef IN_CLASSA_NET
101 #include "../netinet/in.h"
102 #endif IN_CLASSA_NET
103 
104 
105 
106 /* The following looks like a sockaddr
107  * to facilitate using tree lookup routines */
108 struct iso_addr {
109 	u_char	isoa_len;						/* length (in bytes) */
110 	char	isoa_genaddr[20];				/* general opaque address */
111 };
112 
113 struct sockaddr_iso {
114 	u_char	 			siso_len;			/* length */
115 	u_char	 			siso_family;		/* family */
116 	u_char				siso_plen;			/* presentation selector length */
117 	u_char				siso_slen;			/* session selector length */
118 	u_char				siso_tlen;			/* transport selector length */
119 	struct 	iso_addr	siso_addr;			/* network address */
120 	u_char				siso_pad[6];		/* space for gosip v2 sels */
121 											/* makes struct 32 bytes long */
122 };
123 #define siso_nlen siso_addr.isoa_len
124 #define siso_data siso_addr.isoa_genaddr
125 
126 #define TSEL(s) ((caddr_t)((s)->siso_data + (s)->siso_nlen))
127 
128 #define SAME_ISOADDR(a, b) \
129 	(bcmp((a)->siso_data, (b)->siso_data, (unsigned)(a)->siso_nlen)==0)
130 /*
131  * The following are specific values for siso->siso_data[0],
132  * otherwise known as the AFI:
133  */
134 #define	AFI_37		0x37	/* bcd of "37" */
135 #define AFI_OSINET	0x47	/* bcd of "47" */
136 #define AFI_RFC986	0x47	/* bcd of "47" */
137 #define	AFI_SNA		0x00	/* SubNetwork Address; invalid really...*/
138 
139 #ifdef KERNEL
140 
141 extern int iso_netmatch();
142 extern int iso_hash();
143 extern int iso_addrmatch();
144 extern struct iso_ifaddr *iso_iaonnetof();
145 extern	struct domain isodomain;
146 extern	struct protosw isosw[];
147 
148 #else
149 /* user utilities definitions from the iso library */
150 
151 #include <sys/cdefs.h>
152 
153 __BEGIN_DECLS
154 struct iso_addr *iso_addr __P((const char *));
155 char *iso_ntoa __P((const struct iso_addr *));
156 
157 /* THESE DON'T EXIST YET */
158 struct hostent *iso_gethostbyname(), *iso_gethostbyaddr();
159 __END_DECLS
160 
161 #endif /* KERNEL */
162 
163 #define _offsetof(t, m) ((int)((caddr_t)&((t *)0)->m))
164 #endif __ISO__
165