1*7af15f03Smvs /* $OpenBSD: mpls_raw.c,v 1.21 2024/08/14 17:52:47 mvs Exp $ */ 2d90b9793Snorby 3d90b9793Snorby /* 4d90b9793Snorby * Copyright (C) 1999, 2000 and 2001 AYAME Project, WIDE Project. 5d90b9793Snorby * All rights reserved. 6d90b9793Snorby * 7d90b9793Snorby * Redistribution and use in source and binary forms, with or without 8d90b9793Snorby * modification, are permitted provided that the following conditions 9d90b9793Snorby * are met: 10d90b9793Snorby * 11d90b9793Snorby * 1. Redistributions of source code must retain the above copyright 12d90b9793Snorby * notice, this list of conditions and the following disclaimer. 13d90b9793Snorby * 2. Redistributions in binary form must reproduce the above copyright 14d90b9793Snorby * notice, this list of conditions and the following disclaimer in the 15d90b9793Snorby * documentation and/or other materials provided with the distribution. 16d90b9793Snorby * 3. Neither the name of the project nor the names of its contributors 17d90b9793Snorby * may be used to endorse or promote products derived from this software 18d90b9793Snorby * without specific prior written permission. 19d90b9793Snorby * 20d90b9793Snorby * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21d90b9793Snorby * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22d90b9793Snorby * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23d90b9793Snorby * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24d90b9793Snorby * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25d90b9793Snorby * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26d90b9793Snorby * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27d90b9793Snorby * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28d90b9793Snorby * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29d90b9793Snorby * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30d90b9793Snorby * SUCH DAMAGE. 31d90b9793Snorby */ 32d90b9793Snorby 33d90b9793Snorby #include <sys/param.h> 34d90b9793Snorby #include <sys/mbuf.h> 35d90b9793Snorby #include <sys/errno.h> 36d90b9793Snorby #include <sys/sockio.h> 37d90b9793Snorby #include <sys/socket.h> 38d90b9793Snorby #include <sys/socketvar.h> 39d90b9793Snorby #include <sys/systm.h> 40d90b9793Snorby #include <sys/sysctl.h> 41d90b9793Snorby 42d90b9793Snorby #include <net/if.h> 430deb6685Smpi #include <net/if_var.h> 44d90b9793Snorby 45d90b9793Snorby #include <netmpls/mpls.h> 46d90b9793Snorby 47d90b9793Snorby int mpls_defttl = 255; 48d90b9793Snorby int mpls_mapttl_ip = 1; 49d90b9793Snorby int mpls_mapttl_ip6 = 0; 50d90b9793Snorby 51d662a1c7Sgnezdo const struct sysctl_bounded_args mplsctl_vars[] = { 52d662a1c7Sgnezdo { MPLSCTL_DEFTTL, &mpls_defttl, 0, 255 }, 53d662a1c7Sgnezdo { MPLSCTL_MAPTTL_IP, &mpls_mapttl_ip, 0, 1 }, 54d662a1c7Sgnezdo { MPLSCTL_MAPTTL_IP6, &mpls_mapttl_ip6, 0, 1 }, 55d662a1c7Sgnezdo }; 56d90b9793Snorby 57d90b9793Snorby int 58d90b9793Snorby mpls_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, 59d90b9793Snorby size_t newlen) 60d90b9793Snorby { 61*7af15f03Smvs int error; 62*7af15f03Smvs 63*7af15f03Smvs KERNEL_LOCK(); 64*7af15f03Smvs error = sysctl_bounded_arr(mplsctl_vars, nitems(mplsctl_vars), 65d662a1c7Sgnezdo name, namelen, oldp, oldlenp, newp, newlen); 66*7af15f03Smvs KERNEL_UNLOCK(); 67*7af15f03Smvs 68*7af15f03Smvs return error; 69d90b9793Snorby } 70