1/*	$OpenBSD: mpls_raw.c,v 1.20 2024/04/29 00:29:48 jsg 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/mbuf.h>
35#include <sys/errno.h>
36#include <sys/sockio.h>
37#include <sys/socket.h>
38#include <sys/socketvar.h>
39#include <sys/systm.h>
40#include <sys/sysctl.h>
41
42#include <net/if.h>
43#include <net/if_var.h>
44
45#include <netmpls/mpls.h>
46
47int mpls_defttl = 255;
48int mpls_mapttl_ip = 1;
49int mpls_mapttl_ip6 = 0;
50
51const struct sysctl_bounded_args mplsctl_vars[] = {
52	{ MPLSCTL_DEFTTL, &mpls_defttl, 0, 255 },
53	{ MPLSCTL_MAPTTL_IP, &mpls_mapttl_ip, 0, 1 },
54	{ MPLSCTL_MAPTTL_IP6, &mpls_mapttl_ip6, 0, 1 },
55};
56
57int
58mpls_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
59    size_t newlen)
60{
61	return sysctl_bounded_arr(mplsctl_vars, nitems(mplsctl_vars),
62	    name, namelen, oldp, oldlenp, newp, newlen);
63}
64