xref: /openbsd-src/sys/netmpls/mpls_proto.c (revision 50b7afb2c2c0993b0894d4e34bf857cb13ed9c80)
1 /*	$OpenBSD: mpls_proto.c,v 1.7 2013/04/24 10:20:15 mpi Exp $	*/
2 
3 /*
4  * Copyright (C) 1999, 2000 and 2001 AYAME Project, WIDE Project.
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  *
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. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/socket.h>
35 #include <sys/protosw.h>
36 #include <sys/domain.h>
37 #include <sys/mbuf.h>
38 
39 #include <net/if.h>
40 #include <net/route.h>
41 
42 #include <netmpls/mpls.h>
43 
44 /*
45  * MPLS protocol family:
46  */
47 struct protosw mplssw[] = {
48 { 0,			&mplsdomain,		0,	0,
49   0,			0,			0,	0,
50   0,
51   mpls_init,		0,			0,	0,	mpls_sysctl
52 },
53 { SOCK_DGRAM,		&mplsdomain,		0,	PR_ATOMIC|PR_ADDR,
54   0,			0,			0,	0,
55   mpls_raw_usrreq,
56   0,			0,			0,	0,	mpls_sysctl,
57 },
58 /* raw wildcard */
59 { SOCK_RAW,		&mplsdomain,		0,	PR_ATOMIC|PR_ADDR,
60   0,			0,			0,	0,
61   mpls_raw_usrreq,
62   0,			0,			0,	0,	mpls_sysctl,
63 },
64 };
65 
66 struct domain mplsdomain = {
67 	AF_MPLS, "mpls", mpls_init, 0, 0,
68 	mplssw,
69 	&mplssw[nitems(mplssw)], 0,
70 	rn_mpath_inithead,
71 	offsetof(struct sockaddr_mpls, smpls_label) << 3,
72 	sizeof(struct sockaddr_mpls)
73 };
74