1 /* $NetBSD: natm_proto.c,v 1.3 1996/09/18 00:56:41 chuck Exp $ */
2 /*-
3 *
4 * Copyright (c) 1996 Charles D. Cranor and Washington University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Charles D. Cranor and
18 * Washington University.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * protocol layer for access to native mode ATM
36 */
37
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
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/netisr.h>
50
51 #include <netinet/in.h>
52
53 #include <netnatm/natm.h>
54
55 extern struct domain natmdomain;
56
57 static void natm_init(void);
58
59 NET_NEEDS_GIANT("netnatm");
60
61 static struct protosw natmsw[] = {
62 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED,
63 0, 0, 0, 0,
64 #ifdef FREEBSD_USRREQS
65 0,
66 #else
67 natm_usrreq,
68 #endif
69 0, 0, 0, 0,
70 #if defined(__NetBSD__) || defined(__OpenBSD__)
71 natm5_sysctl
72 #elif defined(FREEBSD_USRREQS)
73 &natm_usrreqs
74 #endif
75 },
76 { SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC,
77 0, 0, 0, 0,
78 #ifdef FREEBSD_USRREQS
79 0,
80 #else
81 natm_usrreq,
82 #endif
83 0, 0, 0, 0,
84 #if defined(__NetBSD__) || defined(__OpenBSD__)
85 natm5_sysctl
86 #elif defined(FREEBSD_USRREQS)
87 &natm_usrreqs
88 #endif
89 },
90 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED,
91 0, 0, 0, 0,
92 #ifdef FREEBSD_USRREQS
93 0,
94 #else
95 natm_usrreq,
96 #endif
97 0, 0, 0, 0,
98 #if defined(__NetBSD__) || defined(__OpenBSD__)
99 natm0_sysctl
100 #elif defined(FREEBSD_USRREQS)
101 &natm_usrreqs
102 #endif
103 },
104 };
105
106 static struct domain natmdomain =
107 { AF_NATM, "natm", natm_init, 0, 0,
108 natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
109 0, 0, 0};
110
111 static int natmqmaxlen = 1000 /* IFQ_MAXLEN */; /* max # of packets on queue */
112 static struct ifqueue natmintrq;
113 #ifdef NATM_STAT
114 u_int natm_sodropcnt; /* # mbufs dropped due to full sb */
115 u_int natm_sodropbytes; /* # of bytes dropped */
116 u_int natm_sookcnt; /* # mbufs ok */
117 u_int natm_sookbytes; /* # of bytes ok */
118 #endif
119
120 static void
121 natm_init(void)
122 {
123 LIST_INIT(&natm_pcbs);
124 bzero(&natmintrq, sizeof(natmintrq));
125 natmintrq.ifq_maxlen = natmqmaxlen;
126 mtx_init(&natmintrq.ifq_mtx, "natm_inq", NULL, MTX_DEF);
127 netisr_register(NETISR_NATM, natmintr, &natmintrq, 0);
128 }
129
130 #if defined(__FreeBSD__)
131 DOMAIN_SET(natm);
132 #endif
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