xref: /original-bsd/sys/netiso/iso_proto.c (revision 3b3772fe)
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_proto.c	7.11 (Berkeley) 10/11/92
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_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $
37  * $Source: /usr/argo/sys/netiso/RCS/iso_proto.c,v $
38  *
39  * iso_proto.c : protocol switch tables in the ISO domain
40  *
41  * ISO protocol family includes TP, CLTP, CLNP, 8208
42  * TP and CLNP are implemented here.
43  */
44 
45 #ifdef	ISO
46 #include <sys/param.h>
47 #include <sys/socket.h>
48 #include <sys/protosw.h>
49 #include <sys/domain.h>
50 #include <sys/mbuf.h>
51 
52 #include <net/radix.h>
53 
54 #include <netiso/iso.h>
55 
56 int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
57 int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
58 int	clnp_usrreq();
59 
60 int	tp_ctloutput();
61 int	tpclnp_ctlinput();
62 int	tpclnp_input();
63 int	tp_usrreq();
64 int	tp_init(), tp_fasttimo(), tp_slowtimo(), tp_drain();
65 int	cons_init(), tpcons_input();
66 
67 int	esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();
68 int	cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output();
69 int isis_input();
70 
71 struct protosw isosw[] = {
72 /*
73  *  We need a datagram entry through which net mgmt programs can get
74  *	to the iso_control procedure (iso ioctls). Thus, a minimal
75  *	SOCK_DGRAM interface is provided here.
76  *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
77  *  pffindtype, which gets the first entry that matches the type.
78  *  sigh.
79  */
80 { SOCK_DGRAM,	&isodomain,		ISOPROTO_CLTP,		PR_ATOMIC|PR_ADDR,
81 	0,			cltp_output,	0,					0,
82 	cltp_usrreq,
83 	cltp_init,	0, 				0,					0
84 },
85 
86 /*
87  *	A datagram interface for clnp cannot co-exist with TP/CLNP
88  *  because CLNP has no way to discriminate incoming TP packets from
89  *  packets coming in for any other higher layer protocol.
90  *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
91  *  New way: let pffindproto work (for x.25, thank you) but create
92  *  	a clnp_usrreq() that returns error on PRU_ATTACH.
93  */
94 {SOCK_DGRAM,	&isodomain,		ISOPROTO_CLNP,		0,
95  0,				clnp_output,	0,					0,
96  clnp_usrreq,
97  clnp_init,		0,				clnp_slowtimo, 		clnp_drain,
98 },
99 
100 /* raw clnp */
101 { SOCK_RAW,		&isodomain,		ISOPROTO_RAW,		PR_ATOMIC|PR_ADDR,
102   rclnp_input,	rclnp_output,	0,					rclnp_ctloutput,
103   clnp_usrreq,
104   0,			0,				0,					0
105 },
106 
107 /* ES-IS protocol */
108 { SOCK_DGRAM,	&isodomain,		ISOPROTO_ESIS,		PR_ATOMIC|PR_ADDR,
109   esis_input,	0,				esis_ctlinput,		0,
110   esis_usrreq,
111   esis_init,	0,				0,					0
112 },
113 
114 /* ISOPROTO_INTRAISIS */
115 { SOCK_DGRAM,	&isodomain,		ISOPROTO_INTRAISIS,	PR_ATOMIC|PR_ADDR,
116   isis_input,	0,				0,					0,
117   esis_usrreq,
118   0,			0,				0,					0
119 },
120 
121 /* ISOPROTO_TP */
122 { SOCK_SEQPACKET,	&isodomain,	ISOPROTO_TP,		PR_CONNREQUIRED|PR_WANTRCVD,
123   tpclnp_input,		0,			tpclnp_ctlinput,	tp_ctloutput,
124   tp_usrreq,
125   tp_init,			tp_fasttimo,			tp_slowtimo,		tp_drain,
126 },
127 
128 #ifdef TPCONS
129 /* ISOPROTO_TP */
130 { SOCK_SEQPACKET,	&isodomain,	ISOPROTO_TP0,		PR_CONNREQUIRED|PR_WANTRCVD,
131   tpcons_input,		0,			0,					tp_ctloutput,
132   tp_usrreq,
133   cons_init,		0,			0,					0,
134 },
135 #endif
136 
137 };
138 
139 
140 struct domain isodomain = {
141     AF_ISO, 			/* family */
142 	"iso-domain", 		/* name */
143 	0,					/* initialize routine */
144 	0,					/* externalize access rights */
145 	0,					/* dispose of internalized rights */
146 	isosw,				/* protosw */
147 	&isosw[sizeof(isosw)/sizeof(isosw[0])], /* NPROTOSW */
148 	0,					/* next */
149 	rn_inithead,		/* rtattach */
150 	48,					/* rtoffset */
151 	sizeof(struct sockaddr_iso) /* maxkeylen */
152 };
153 #endif	ISO
154