609 lines
21 KiB
C
609 lines
21 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $
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*/
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/*-
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in_proto.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_inet.h"
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#include "opt_inet6.h"
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#include "opt_ipsec.h"
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#include "opt_ipstealth.h"
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#include "opt_sctp.h"
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#include "opt_route.h"
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/proc.h>
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#include <sys/protosw.h>
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#include <sys/jail.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/domain.h>
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#include <sys/mbuf.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/radix.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip_encap.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/ip6.h>
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#include <netinet6/ip6_var.h>
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#include <netinet/icmp6.h>
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#include <netinet/tcp.h>
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#include <netinet/tcp_timer.h>
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#include <netinet/tcp_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet6/tcp6_var.h>
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#include <netinet6/raw_ip6.h>
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#include <netinet6/udp6_var.h>
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#include <netinet6/pim6_var.h>
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#include <netinet6/nd6.h>
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#ifdef SCTP
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#include <netinet/in_pcb.h>
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#include <netinet/sctp_pcb.h>
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#include <netinet/sctp.h>
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#include <netinet/sctp_var.h>
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#include <netinet6/sctp6_var.h>
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#endif /* SCTP */
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#include <netinet6/ip6protosw.h>
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/*
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* TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
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*/
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FEATURE(inet6, "Internet Protocol version 6");
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extern struct domain inet6domain;
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static struct pr_usrreqs nousrreqs;
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#define PR_LISTEN 0
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#define PR_ABRTACPTDIS 0
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/* Spacer for loadable protocols. */
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#define IP6PROTOSPACER \
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{ \
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.pr_domain = &inet6domain, \
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.pr_protocol = PROTO_SPACER, \
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.pr_usrreqs = &nousrreqs \
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}
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struct protosw inet6sw[] = {
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{
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.pr_type = 0,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_IPV6,
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.pr_init = ip6_init,
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.pr_slowtimo = frag6_slowtimo,
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.pr_drain = frag6_drain,
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.pr_usrreqs = &nousrreqs,
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},
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{
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.pr_type = SOCK_DGRAM,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_UDP,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = udp6_input,
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.pr_ctlinput = udp6_ctlinput,
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.pr_ctloutput = ip6_ctloutput,
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#ifndef INET /* Do not call initialization twice. */
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.pr_init = udp_init,
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#endif
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.pr_usrreqs = &udp6_usrreqs,
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},
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{
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.pr_type = SOCK_STREAM,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_TCP,
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.pr_flags = PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD|PR_LISTEN,
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.pr_input = tcp6_input,
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.pr_ctlinput = tcp6_ctlinput,
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.pr_ctloutput = tcp_ctloutput,
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#ifndef INET /* don't call initialization, timeout, and drain routines twice */
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.pr_init = tcp_init,
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.pr_slowtimo = tcp_slowtimo,
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.pr_drain = tcp_drain,
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#endif
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.pr_usrreqs = &tcp6_usrreqs,
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},
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#ifdef SCTP
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{
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.pr_type = SOCK_SEQPACKET,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_SCTP,
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.pr_flags = PR_WANTRCVD|PR_LASTHDR,
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.pr_input = sctp6_input,
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.pr_ctlinput = sctp6_ctlinput,
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.pr_ctloutput = sctp_ctloutput,
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#ifndef INET /* Do not call initialization and drain routines twice. */
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.pr_drain = sctp_drain,
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.pr_init = sctp_init,
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#endif
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.pr_usrreqs = &sctp6_usrreqs
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},
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{
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.pr_type = SOCK_STREAM,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_SCTP,
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.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LASTHDR,
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.pr_input = sctp6_input,
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.pr_ctlinput = sctp6_ctlinput,
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.pr_ctloutput = sctp_ctloutput,
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.pr_drain = NULL, /* Covered by the SOCK_SEQPACKET entry. */
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.pr_usrreqs = &sctp6_usrreqs
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},
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#endif /* SCTP */
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{
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.pr_type = SOCK_DGRAM,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_UDPLITE,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = udp6_input,
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.pr_ctlinput = udplite6_ctlinput,
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.pr_ctloutput = udp_ctloutput,
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#ifndef INET /* Do not call initialization twice. */
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.pr_init = udplite_init,
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#endif
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.pr_usrreqs = &udp6_usrreqs,
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_RAW,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = rip6_input,
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.pr_output = rip6_output,
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.pr_ctlinput = rip6_ctlinput,
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.pr_ctloutput = rip6_ctloutput,
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#ifndef INET /* Do not call initialization twice. */
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.pr_init = rip_init,
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#endif
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.pr_usrreqs = &rip6_usrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_ICMPV6,
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
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.pr_input = icmp6_input,
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.pr_output = rip6_output,
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.pr_ctlinput = rip6_ctlinput,
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.pr_ctloutput = rip6_ctloutput,
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.pr_fasttimo = icmp6_fasttimo,
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.pr_slowtimo = icmp6_slowtimo,
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.pr_usrreqs = &rip6_usrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_DSTOPTS,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = dest6_input,
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.pr_usrreqs = &nousrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_ROUTING,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = route6_input,
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.pr_usrreqs = &nousrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_FRAGMENT,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = frag6_input,
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.pr_usrreqs = &nousrreqs
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},
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#ifdef INET
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_IPV4,
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
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.pr_input = encap6_input,
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.pr_output = rip6_output,
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.pr_ctloutput = rip6_ctloutput,
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.pr_usrreqs = &rip6_usrreqs
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},
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#endif /* INET */
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_IPV6,
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
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.pr_input = encap6_input,
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.pr_output = rip6_output,
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.pr_ctloutput = rip6_ctloutput,
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.pr_usrreqs = &rip6_usrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_GRE,
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
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.pr_input = encap6_input,
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.pr_output = rip6_output,
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.pr_ctloutput = rip6_ctloutput,
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.pr_usrreqs = &rip6_usrreqs
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},
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_protocol = IPPROTO_PIM,
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.pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
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.pr_input = encap6_input,
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.pr_output = rip6_output,
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.pr_ctloutput = rip6_ctloutput,
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.pr_usrreqs = &rip6_usrreqs
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},
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/* Spacer n-times for loadable protocols. */
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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IP6PROTOSPACER,
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/* raw wildcard */
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{
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.pr_type = SOCK_RAW,
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.pr_domain = &inet6domain,
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.pr_flags = PR_ATOMIC|PR_ADDR,
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.pr_input = rip6_input,
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.pr_output = rip6_output,
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.pr_ctloutput = rip6_ctloutput,
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.pr_usrreqs = &rip6_usrreqs
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},
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};
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struct domain inet6domain = {
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.dom_family = AF_INET6,
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.dom_name = "internet6",
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.dom_protosw = (struct protosw *)inet6sw,
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.dom_protoswNPROTOSW = (struct protosw *)&inet6sw[nitems(inet6sw)],
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.dom_rtattach = in6_inithead,
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#ifdef VIMAGE
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.dom_rtdetach = in6_detachhead,
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#endif
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.dom_ifattach = in6_domifattach,
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.dom_ifdetach = in6_domifdetach,
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.dom_ifmtu = in6_domifmtu
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};
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VNET_DOMAIN_SET(inet6);
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/*
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* Internet configuration info
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*/
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#ifndef IPV6FORWARDING
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#ifdef GATEWAY6
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#define IPV6FORWARDING 1 /* forward IP6 packets not for us */
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#else
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#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
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#endif /* GATEWAY6 */
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#endif /* !IPV6FORWARDING */
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#ifndef IPV6_SENDREDIRECTS
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#define IPV6_SENDREDIRECTS 1
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#endif
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VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
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VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
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VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
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VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
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VNET_DEFINE(int, ip6_accept_rtadv) = 0;
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VNET_DEFINE(int, ip6_no_radr) = 0;
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VNET_DEFINE(int, ip6_norbit_raif) = 0;
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VNET_DEFINE(int, ip6_rfc6204w3) = 0;
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VNET_DEFINE(int, ip6_log_interval) = 5;
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VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
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* process? */
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VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
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VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
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VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
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* (RFC2462 5.5.4) */
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VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
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* walk list every 5 sec. */
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VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
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VNET_DEFINE(int, ip6_v6only) = 1;
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VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
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#ifdef IPSTEALTH
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VNET_DEFINE(int, ip6stealth) = 0;
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#endif
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VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
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* (RFC 4861) */
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/* icmp6 */
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/*
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* BSDI4 defines these variables in in_proto.c...
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* XXX: what if we don't define INET? Should we define pmtu6_expire
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* or so? (jinmei@kame.net 19990310)
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*/
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VNET_DEFINE(int, pmtu_expire) = 60*10;
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VNET_DEFINE(int, pmtu_probe) = 60*2;
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/* ICMPV6 parameters */
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VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
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VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
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VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
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/* control how to respond to NI queries */
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VNET_DEFINE(int, icmp6_nodeinfo) =
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(ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
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VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
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/*
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* sysctl related items.
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*/
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SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"Internet6 Family");
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/* net.inet6 */
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SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"IP6");
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SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"ICMP6");
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SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"UDP6");
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SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"TCP6");
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#if defined(SCTP) || defined(SCTP_SUPPORT)
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SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"SCTP6");
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#endif
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#if defined(IPSEC) || defined(IPSEC_SUPPORT)
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SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
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"IPSEC6");
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#endif /* IPSEC */
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/* net.inet6.ip6 */
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static int
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sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
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{
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int error, val;
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val = V_ip6_temp_preferred_lifetime;
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error = sysctl_handle_int(oidp, &val, 0, req);
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|
if (error != 0 || !req->newptr)
|
|
return (error);
|
|
if (val < V_ip6_desync_factor + V_ip6_temp_regen_advance)
|
|
return (EINVAL);
|
|
V_ip6_temp_preferred_lifetime = val;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
int error, val;
|
|
|
|
val = V_ip6_temp_valid_lifetime;
|
|
error = sysctl_handle_int(oidp, &val, 0, req);
|
|
if (error != 0 || !req->newptr)
|
|
return (error);
|
|
if (val < V_ip6_temp_preferred_lifetime)
|
|
return (EINVAL);
|
|
V_ip6_temp_valid_lifetime = val;
|
|
return (0);
|
|
}
|
|
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_forwarding), 0,
|
|
"Enable forwarding of IPv6 packets between interfaces");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_sendredirects), 0,
|
|
"Send ICMPv6 redirects for unforwardable IPv6 packets");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defhlim), 0,
|
|
"Default hop limit to use for outgoing IPv6 packets");
|
|
SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
|
|
ip6stat,
|
|
"IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
|
|
"Default value of per-interface flag for accepting ICMPv6 RA messages");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
|
|
"Default value of per-interface flag to control whether routers "
|
|
"sending ICMPv6 RA messages on that interface are added into the "
|
|
"default router list");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_norbit_raif), 0,
|
|
"Always set clear the R flag in ICMPv6 NA messages when accepting RA "
|
|
"on the interface");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
|
|
"Accept the default router list from ICMPv6 RA messages even "
|
|
"when packet forwarding is enabled");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0,
|
|
"Frequency in seconds at which to log IPv6 forwarding errors");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0,
|
|
"Default maximum number of IPv6 extension headers permitted on "
|
|
"incoming IPv6 packets, 0 for no artificial limit");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_dad_count), 0,
|
|
"Number of ICMPv6 NS messages sent during duplicate address detection");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0,
|
|
"Provide an IPv6 flowlabel in outbound packets");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0,
|
|
"Default hop limit for IPv6 multicast packets originating from this "
|
|
"node");
|
|
SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
|
|
CTLFLAG_RD, __KAME_VERSION, 0,
|
|
"KAME version string");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0,
|
|
"Allow the use of addresses whose preferred lifetimes have expired");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rr_prune), 0,
|
|
""); /* XXX unused */
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0,
|
|
"Create RFC3041 temporary addresses for autoconfigured addresses");
|
|
SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
|
|
CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
|
|
NULL, 0, sysctl_ip6_temppltime, "I",
|
|
"Maximum preferred lifetime for temporary addresses");
|
|
SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
|
|
CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
|
|
NULL, 0, sysctl_ip6_tempvltime, "I",
|
|
"Maximum valid lifetime for temporary addresses");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_v6only), 0,
|
|
"Restrict AF_INET6 sockets to IPv6 addresses only");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
|
|
"Default value of per-interface flag for automatically adding an IPv6 "
|
|
"link-local address to interfaces when attached");
|
|
SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
|
|
struct rip6stat, rip6stat,
|
|
"Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0,
|
|
"Prefer RFC3041 temporary addresses in source address selection");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,
|
|
"Use the default scope zone when none is specified");
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_mcast_pmtu), 0,
|
|
"Enable path MTU discovery for multicast packets");
|
|
#ifdef IPSTEALTH
|
|
SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_VNET | CTLFLAG_RW,
|
|
&VNET_NAME(ip6stealth), 0,
|
|
"Forward IPv6 packets without decrementing their TTL");
|
|
#endif
|
|
|
|
/* net.inet6.icmp6 */
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0,
|
|
"Accept ICMPv6 redirect messages");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0,
|
|
"Delay in seconds before expiring redirect route");
|
|
SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
|
|
struct icmp6stat, icmp6stat,
|
|
"ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_prune), 0,
|
|
"Frequency in seconds of checks for expired prefixes and routers");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_delay), 0,
|
|
"Delay in seconds before probing for reachability");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0,
|
|
"Number of ICMPv6 NS messages sent during reachability detection");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0,
|
|
"Number of ICMPv6 NS messages sent during address resolution");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0,
|
|
"Create a loopback route when configuring an IPv6 address");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_nodeinfo), 0,
|
|
"Mask of enabled RFC4620 node information query types");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
|
|
nodeinfo_oldmcprefix, CTLFLAG_VNET | CTLFLAG_RW,
|
|
&VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
|
|
"Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup "
|
|
"for compatibility with KAME implementation");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0,
|
|
"Maximum number of ICMPv6 error messages per second");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0,
|
|
""); /* XXX unused */
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug,
|
|
CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_debug), 0,
|
|
"Log NDP debug messages");
|
|
SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
|
|
nd6_onlink_ns_rfc4861, CTLFLAG_VNET | CTLFLAG_RW,
|
|
&VNET_NAME(nd6_onlink_ns_rfc4861), 0,
|
|
"Accept 'on-link' ICMPv6 NS messages in compliance with RFC 4861");
|
|
#ifdef EXPERIMENTAL
|
|
SYSCTL_INT(_net_inet6_icmp6, OID_AUTO,
|
|
nd6_ignore_ipv6_only_ra, CTLFLAG_VNET | CTLFLAG_RW,
|
|
&VNET_NAME(nd6_ignore_ipv6_only_ra), 0,
|
|
"Ignore the 'IPv6-Only flag' in RA messages in compliance with "
|
|
"draft-ietf-6man-ipv6only-flag");
|
|
#endif
|