1 /* $OpenBSD: natm_proto.c,v 1.4 2002/03/14 01:27:12 millert 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/queue.h>
43 #include <sys/socket.h>
44 #include <sys/protosw.h>
45 #include <sys/domain.h>
46 #include <sys/mbuf.h>
47
48 #include <net/if.h>
49 #include <net/radix.h>
50 #include <net/route.h>
51
52 #include <netinet/in.h>
53
54 #include <netnatm/natm.h>
55
56 extern struct domain natmdomain;
57
58 static void natm_init(void);
59
60 struct protosw natmsw[] = {
61 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED,
62 0, 0, 0, 0,
63 natm_usrreq,
64 0, 0, 0, 0,
65 #if defined(__NetBSD__) || defined(__OpenBSD__)
66 natm5_sysctl
67 #endif
68 },
69 { SOCK_DGRAM, &natmdomain, PROTO_NATMAAL5, PR_CONNREQUIRED | PR_ATOMIC,
70 0, 0, 0, 0,
71 natm_usrreq,
72 0, 0, 0, 0,
73 #if defined(__NetBSD__) || defined(__OpenBSD__)
74 natm5_sysctl
75 #endif
76 },
77 { SOCK_STREAM, &natmdomain, PROTO_NATMAAL0, PR_CONNREQUIRED,
78 0, 0, 0, 0,
79 natm_usrreq,
80 0, 0, 0, 0,
81 #if defined(__NetBSD__) || defined(__OpenBSD__)
82 natm0_sysctl
83 #endif
84 },
85 };
86
87 struct domain natmdomain =
88 { AF_NATM, "natm", natm_init, 0, 0,
89 natmsw, &natmsw[sizeof(natmsw)/sizeof(natmsw[0])], 0,
90 0, 0, 0};
91
92 struct ifqueue natmintrq; /* natm packet input queue */
93 int natmqmaxlen = IFQ_MAXLEN; /* max # of packets on queue */
94 #ifdef NATM_STAT
95 u_int natm_sodropcnt = 0; /* # mbufs dropped due to full sb */
96 u_int natm_sodropbytes = 0; /* # of bytes dropped */
97 u_int natm_sookcnt = 0; /* # mbufs ok */
98 u_int natm_sookbytes = 0; /* # of bytes ok */
99 #endif
100
101
102
natm_init()103 void natm_init()
104
105 {
106 LIST_INIT(&natm_pcbs);
107 bzero(&natmintrq, sizeof(natmintrq));
108 natmintrq.ifq_maxlen = natmqmaxlen;
109 }
110
111 #if defined(__FreeBSD__)
112 DOMAIN_SET(natm);
113 #endif
114