natm_proto.c revision 92745 
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 * $FreeBSD: head/sys/netnatm/natm_proto.c 92745 2002-03-20 02:39:27Z alfred $
35 */
36
37/*
38 * protocol layer for access to native mode ATM
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/kernel.h>
44#include <sys/socket.h>
45#include <sys/protosw.h>
46#include <sys/domain.h>
47
48#include <net/if.h>
49#include <net/intrq.h>
50
51#include <netinet/in.h>
52
53#include <netnatm/natm.h>
54
55extern	struct domain natmdomain;
56
57static	void natm_init(void);
58
59static struct protosw natmsw[] = {
60{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL5, PR_CONNREQUIRED,
61  0,	0,	0,	0,
62#ifdef FREEBSD_USRREQS
63  0,
64#else
65  natm_usrreq,
66#endif
67  0,	0,	0,	0,
68#if defined(__NetBSD__) || defined(__OpenBSD__)
69	natm5_sysctl
70#elif defined(FREEBSD_USRREQS)
71        &natm_usrreqs
72#endif
73},
74{ SOCK_DGRAM,	&natmdomain,	PROTO_NATMAAL5,	PR_CONNREQUIRED | PR_ATOMIC,
75  0,	0,	0,	0,
76#ifdef FREEBSD_USRREQS
77  0,
78#else
79  natm_usrreq,
80#endif
81  0,	0,	0,	0,
82#if defined(__NetBSD__) || defined(__OpenBSD__)
83	natm5_sysctl
84#elif defined(FREEBSD_USRREQS)
85        &natm_usrreqs
86#endif
87},
88{ SOCK_STREAM,	&natmdomain,	PROTO_NATMAAL0, PR_CONNREQUIRED,
89  0,	0,	0,	0,
90#ifdef FREEBSD_USRREQS
91  0,
92#else
93  natm_usrreq,
94#endif
95  0,	0,	0,	0,
96#if defined(__NetBSD__) || defined(__OpenBSD__)
97	natm0_sysctl
98#elif defined(FREEBSD_USRREQS)
99        &natm_usrreqs
100#endif
101},
102};
103
104static struct domain natmdomain =
105    { AF_NATM, "natm", natm_init, 0, 0,
106      natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
107      0, 0, 0};
108
109static int natmqmaxlen = IFQ_MAXLEN;	/* max # of packets on queue */
110#ifdef NATM_STAT
111u_int natm_sodropcnt = 0;		/* # mbufs dropped due to full sb */
112u_int natm_sodropbytes = 0;		/* # of bytes dropped */
113u_int natm_sookcnt = 0;			/* # mbufs ok */
114u_int natm_sookbytes = 0;		/* # of bytes ok */
115#endif
116
117
118void natm_init()
119
120{
121  LIST_INIT(&natm_pcbs);
122  bzero(&natmintrq, sizeof(natmintrq));
123  natmintrq.ifq_maxlen = natmqmaxlen;
124  mtx_init(&natmintrq.ifq_mtx, "natm_inq", MTX_DEF);
125  natmintrq_present = 1;
126
127}
128
129#if defined(__FreeBSD__)
130DOMAIN_SET(natm);
131#endif
132