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: releng/5.2/sys/netnatm/natm_proto.c 122320 2003-11-08 22:28:40Z sam $");
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 static 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
104 static 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
109 static int natmqmaxlen = 1000 /* IFQ_MAXLEN */; /* max # of packets on queue */
110 static struct ifqueue natmintrq;
111 #ifdef NATM_STAT
112 u_int natm_sodropcnt; /* # mbufs dropped due to full sb */
113 u_int natm_sodropbytes; /* # of bytes dropped */
114 u_int natm_sookcnt; /* # mbufs ok */
115 u_int natm_sookbytes; /* # of bytes ok */
116 #endif
117
118 static void
119 natm_init(void)
120 {
121 LIST_INIT(&natm_pcbs);
122 bzero(&natmintrq, sizeof(natmintrq));
123 natmintrq.ifq_maxlen = natmqmaxlen;
124 mtx_init(&natmintrq.ifq_mtx, "natm_inq", NULL, MTX_DEF);
125 netisr_register(NETISR_NATM, natmintr, &natmintrq, 0);
126 }
127
128 #if defined(__FreeBSD__)
129 DOMAIN_SET(natm);
130 #endif
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