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/6.0/sys/netnatm/natm_proto.c 149078 2005-08-15 09:52:22Z rwatson $");
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 0,
63 0, 0, 0, 0,
64 &natm_usrreqs
65 },
66 { SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC,
67 0, 0, 0, 0,
68 0,
69 0, 0, 0, 0,
70 &natm_usrreqs
71 },
72 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED,
73 0, 0, 0, 0,
74 0,
75 0, 0, 0, 0,
76 &natm_usrreqs
77 },
78 };
79
80 static struct domain natmdomain =
81 { AF_NATM, "natm", natm_init, 0, 0,
82 natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
83 0, 0, 0};
84
85 static int natmqmaxlen = 1000 /* IFQ_MAXLEN */; /* max # of packets on queue */
86 static struct ifqueue natmintrq;
87 #ifdef NATM_STAT
88 u_int natm_sodropcnt; /* # mbufs dropped due to full sb */
89 u_int natm_sodropbytes; /* # of bytes dropped */
90 u_int natm_sookcnt; /* # mbufs ok */
91 u_int natm_sookbytes; /* # of bytes ok */
92 #endif
93
94 static void
95 natm_init(void)
96 {
97 LIST_INIT(&natm_pcbs);
98 bzero(&natmintrq, sizeof(natmintrq));
99 natmintrq.ifq_maxlen = natmqmaxlen;
100 NATM_LOCK_INIT();
101 mtx_init(&natmintrq.ifq_mtx, "natm_inq", NULL, MTX_DEF);
102 netisr_register(NETISR_NATM, natmintr, &natmintrq, NETISR_MPSAFE);
103 }
104
105 DOMAIN_SET(natm);
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