xref: /original-bsd/sys/netiso/iso_proto.c (revision fac0c393)
1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  *
7  *	@(#)iso_proto.c	8.2 (Berkeley) 02/09/95
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 void	clnp_init(),clnp_slowtimo(),clnp_drain();
57 int	clnp_output();
58 void	rclnp_input();
59 int	rclnp_output(), rclnp_ctloutput(), raw_usrreq();
60 int	clnp_usrreq();
61 
62 int	tp_ctloutput(), tp_usrreq();
63 void	tp_init(), tp_fasttimo(), tp_slowtimo(), tp_drain();
64 void	tpclnp_ctlinput(), tpclnp_input();
65 void	cons_init(), tpcons_input();
66 
67 void	isis_input();
68 void	esis_init(), esis_input(), esis_ctlinput();
69 int	esis_usrreq();
70 void	idrp_init(), idrp_input();
71 int	idrp_usrreq();
72 void	cltp_init(), cltp_input(), cltp_ctlinput();
73 int	cltp_usrreq(), cltp_output();
74 
75 #ifdef TUBA
76 int	tuba_usrreq(), tuba_ctloutput();
77 void	tuba_init(), tuba_slowtimo(), tuba_fasttimo(), tuba_tcpinput();
78 #endif
79 
80 struct protosw isosw[] = {
81 /*
82  *  We need a datagram entry through which net mgmt programs can get
83  *	to the iso_control procedure (iso ioctls). Thus, a minimal
84  *	SOCK_DGRAM interface is provided here.
85  *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
86  *  pffindtype, which gets the first entry that matches the type.
87  *  sigh.
88  */
89 { SOCK_DGRAM,	&isodomain,		ISOPROTO_CLTP,		PR_ATOMIC|PR_ADDR,
90 	0,			cltp_output,	0,					0,
91 	cltp_usrreq,
92 	cltp_init,	0, 				0,					0
93 },
94 
95 /*
96  *	A datagram interface for clnp cannot co-exist with TP/CLNP
97  *  because CLNP has no way to discriminate incoming TP packets from
98  *  packets coming in for any other higher layer protocol.
99  *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
100  *  New way: let pffindproto work (for x.25, thank you) but create
101  *  	a clnp_usrreq() that returns error on PRU_ATTACH.
102  */
103 {SOCK_DGRAM,	&isodomain,		ISOPROTO_CLNP,		0,
104  0,				clnp_output,	0,					0,
105  clnp_usrreq,
106  clnp_init,		0,				clnp_slowtimo, 		clnp_drain,
107 },
108 
109 /* raw clnp */
110 { SOCK_RAW,		&isodomain,		ISOPROTO_RAW,		PR_ATOMIC|PR_ADDR,
111   rclnp_input,	rclnp_output,	0,					rclnp_ctloutput,
112   clnp_usrreq,
113   0,			0,				0,					0
114 },
115 
116 /* ES-IS protocol */
117 { SOCK_DGRAM,	&isodomain,		ISOPROTO_ESIS,		PR_ATOMIC|PR_ADDR,
118   esis_input,	0,				esis_ctlinput,		0,
119   esis_usrreq,
120   esis_init,	0,				0,					0
121 },
122 
123 /* ISOPROTO_INTRAISIS */
124 { SOCK_DGRAM,	&isodomain,		ISOPROTO_INTRAISIS,	PR_ATOMIC|PR_ADDR,
125   isis_input,	0,				0,					0,
126   esis_usrreq,
127   0,			0,				0,					0
128 },
129 
130 /* ISOPROTO_IDRP */
131 { SOCK_DGRAM,	&isodomain,		ISOPROTO_IDRP,		PR_ATOMIC|PR_ADDR,
132   idrp_input,	0,				0,					0,
133   idrp_usrreq,
134   idrp_init,	0,				0,					0
135 },
136 
137 /* ISOPROTO_TP */
138 { SOCK_SEQPACKET,	&isodomain,	ISOPROTO_TP,		PR_CONNREQUIRED|PR_WANTRCVD,
139   tpclnp_input,	0,				tpclnp_ctlinput,	tp_ctloutput,
140   tp_usrreq,
141   tp_init,		tp_fasttimo,	tp_slowtimo,		tp_drain,
142 },
143 
144 #ifdef TUBA
145 { SOCK_STREAM,	&isodomain,		ISOPROTO_TCP,		PR_CONNREQUIRED|PR_WANTRCVD,
146   tuba_tcpinput,	0,			0,					tuba_ctloutput,
147   tuba_usrreq,
148   tuba_init,	tuba_fasttimo,	tuba_fasttimo,		0
149 },
150 #endif
151 
152 #ifdef TPCONS
153 /* ISOPROTO_TP */
154 { SOCK_SEQPACKET,	&isodomain,	ISOPROTO_TP0,		PR_CONNREQUIRED|PR_WANTRCVD,
155   tpcons_input,		0,			0,					tp_ctloutput,
156   tp_usrreq,
157   cons_init,		0,			0,					0,
158 },
159 #endif
160 
161 };
162 
163 
164 struct domain isodomain = {
165     AF_ISO, 			/* family */
166 	"iso-domain", 		/* name */
167 	0,					/* initialize routine */
168 	0,					/* externalize access rights */
169 	0,					/* dispose of internalized rights */
170 	isosw,				/* protosw */
171 	&isosw[sizeof(isosw)/sizeof(isosw[0])], /* NPROTOSW */
172 	0,					/* next */
173 	rn_inithead,		/* rtattach */
174 	48,					/* rtoffset */
175 	sizeof(struct sockaddr_iso) /* maxkeylen */
176 };
177 #endif	/* ISO */
178