natm_proto.c revision 33181 
1/*	$NetBSD: natm_proto.c,v 1.3 1996/09/18 00:56:41 chuck Exp $	*/
2
3/*
4 *
5 * Copyright (c) 1996 Charles D. Cranor and Washington University.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *      This product includes software developed by Charles D. Cranor and
19 *      Washington University.
20 * 4. The name of the author may not be used to endorse or promote products
21 *    derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35/*
36 * protocol layer for access to native mode ATM
37 */
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/socket.h>
43#include <sys/protosw.h>
44#include <sys/domain.h>
45
46#include <net/if.h>
47
48#include <netinet/in.h>
49
50#include <netnatm/natm.h>
51
52extern	struct domain natmdomain;
53
54static	void natm_init __P((void));
55
56static struct protosw natmsw[] = {
57{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL5, PR_CONNREQUIRED,
58  0,	0,	0,	0,
59#ifdef FREEBSD_USRREQS
60  0,
61#else
62  natm_usrreq,
63#endif
64  0,	0,	0,	0,
65#if defined(__NetBSD__) || defined(__OpenBSD__)
66	natm5_sysctl
67#elif defined(FREEBSD_USRREQS)
68        &natm_usrreqs
69#endif
70},
71{ SOCK_DGRAM,	&natmdomain,	PROTO_NATMAAL5,	PR_CONNREQUIRED | PR_ATOMIC,
72  0,	0,	0,	0,
73#ifdef FREEBSD_USRREQS
74  0,
75#else
76  natm_usrreq,
77#endif
78  0,	0,	0,	0,
79#if defined(__NetBSD__) || defined(__OpenBSD__)
80	natm5_sysctl
81#elif defined(FREEBSD_USRREQS)
82        &natm_usrreqs
83#endif
84},
85{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL0, PR_CONNREQUIRED,
86  0,	0,	0,	0,
87#ifdef FREEBSD_USRREQS
88  0,
89#else
90  natm_usrreq,
91#endif
92  0,	0,	0,	0,
93#if defined(__NetBSD__) || defined(__OpenBSD__)
94	natm0_sysctl
95#elif defined(FREEBSD_USRREQS)
96        &natm_usrreqs
97#endif
98},
99};
100
101static struct domain natmdomain =
102    { AF_NATM, "natm", natm_init, 0, 0,
103      natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
104      0, 0, 0};
105
106struct	ifqueue natmintrq;       	/* natm packet input queue */
107static int natmqmaxlen = IFQ_MAXLEN;	/* max # of packets on queue */
108#ifdef NATM_STAT
109u_int natm_sodropcnt = 0;		/* # mbufs dropped due to full sb */
110u_int natm_sodropbytes = 0;		/* # of bytes dropped */
111u_int natm_sookcnt = 0;			/* # mbufs ok */
112u_int natm_sookbytes = 0;		/* # of bytes ok */
113#endif
114
115
116
117void natm_init()
118
119{
120  LIST_INIT(&natm_pcbs);
121  bzero(&natmintrq, sizeof(natmintrq));
122  natmintrq.ifq_maxlen = natmqmaxlen;
123}
124
125#if defined(__FreeBSD__)
126DOMAIN_SET(natm);
127#endif
128