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- /*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $
- */
- /*-
- * Copyright (c) 1982, 1986, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
- */
- #include <sys/cdefs.h>
- __FBSDID("$FreeBSD$");
- #include "opt_inet.h"
- #include "opt_inet6.h"
- #include "opt_ipsec.h"
- #include "opt_ipstealth.h"
- #include "opt_sctp.h"
- #include "opt_route.h"
- #include <sys/param.h>
- #include <sys/socket.h>
- #include <sys/socketvar.h>
- #include <sys/proc.h>
- #include <sys/protosw.h>
- #include <sys/jail.h>
- #include <sys/kernel.h>
- #include <sys/malloc.h>
- #include <sys/domain.h>
- #include <sys/mbuf.h>
- #include <sys/systm.h>
- #include <sys/sysctl.h>
- #include <net/if.h>
- #include <net/if_var.h>
- #include <net/radix.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <netinet/in_systm.h>
- #include <netinet/in_var.h>
- #include <netinet/ip_encap.h>
- #include <netinet/ip.h>
- #include <netinet/ip_var.h>
- #include <netinet/ip6.h>
- #include <netinet6/ip6_var.h>
- #include <netinet/icmp6.h>
- #include <netinet/tcp.h>
- #include <netinet/tcp_timer.h>
- #include <netinet/tcp_var.h>
- #include <netinet/udp.h>
- #include <netinet/udp_var.h>
- #include <netinet6/tcp6_var.h>
- #include <netinet6/raw_ip6.h>
- #include <netinet6/udp6_var.h>
- #include <netinet6/pim6_var.h>
- #include <netinet6/nd6.h>
- #ifdef SCTP
- #include <netinet/in_pcb.h>
- #include <netinet/sctp_pcb.h>
- #include <netinet/sctp.h>
- #include <netinet/sctp_var.h>
- #include <netinet6/sctp6_var.h>
- #endif /* SCTP */
- #include <netinet6/ip6protosw.h>
- /*
- * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
- */
- FEATURE(inet6, "Internet Protocol version 6");
- extern struct domain inet6domain;
- static struct pr_usrreqs nousrreqs;
- #define PR_LISTEN 0
- #define PR_ABRTACPTDIS 0
- /* Spacer for loadable protocols. */
- #define IP6PROTOSPACER \
- { \
- .pr_domain = &inet6domain, \
- .pr_protocol = PROTO_SPACER, \
- .pr_usrreqs = &nousrreqs \
- }
- struct protosw inet6sw[] = {
- {
- .pr_type = 0,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_IPV6,
- .pr_init = ip6_init,
- .pr_slowtimo = frag6_slowtimo,
- .pr_drain = frag6_drain,
- .pr_usrreqs = &nousrreqs,
- },
- {
- .pr_type = SOCK_DGRAM,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_UDP,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = udp6_input,
- .pr_ctlinput = udp6_ctlinput,
- .pr_ctloutput = ip6_ctloutput,
- #ifndef INET /* Do not call initialization twice. */
- .pr_init = udp_init,
- #endif
- .pr_usrreqs = &udp6_usrreqs,
- },
- {
- .pr_type = SOCK_STREAM,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_TCP,
- .pr_flags = PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD|PR_LISTEN,
- .pr_input = tcp6_input,
- .pr_ctlinput = tcp6_ctlinput,
- .pr_ctloutput = tcp_ctloutput,
- #ifndef INET /* don't call initialization, timeout, and drain routines twice */
- .pr_init = tcp_init,
- .pr_slowtimo = tcp_slowtimo,
- .pr_drain = tcp_drain,
- #endif
- .pr_usrreqs = &tcp6_usrreqs,
- },
- #ifdef SCTP
- {
- .pr_type = SOCK_SEQPACKET,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_SCTP,
- .pr_flags = PR_WANTRCVD|PR_LASTHDR,
- .pr_input = sctp6_input,
- .pr_ctlinput = sctp6_ctlinput,
- .pr_ctloutput = sctp_ctloutput,
- #ifndef INET /* Do not call initialization and drain routines twice. */
- .pr_drain = sctp_drain,
- .pr_init = sctp_init,
- #endif
- .pr_usrreqs = &sctp6_usrreqs
- },
- {
- .pr_type = SOCK_STREAM,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_SCTP,
- .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LASTHDR,
- .pr_input = sctp6_input,
- .pr_ctlinput = sctp6_ctlinput,
- .pr_ctloutput = sctp_ctloutput,
- .pr_drain = NULL, /* Covered by the SOCK_SEQPACKET entry. */
- .pr_usrreqs = &sctp6_usrreqs
- },
- #endif /* SCTP */
- {
- .pr_type = SOCK_DGRAM,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_UDPLITE,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = udp6_input,
- .pr_ctlinput = udplite6_ctlinput,
- .pr_ctloutput = udp_ctloutput,
- #ifndef INET /* Do not call initialization twice. */
- .pr_init = udplite_init,
- #endif
- .pr_usrreqs = &udp6_usrreqs,
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_RAW,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = rip6_input,
- .pr_output = rip6_output,
- .pr_ctlinput = rip6_ctlinput,
- .pr_ctloutput = rip6_ctloutput,
- #ifndef INET /* Do not call initialization twice. */
- .pr_init = rip_init,
- #endif
- .pr_usrreqs = &rip6_usrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_ICMPV6,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = icmp6_input,
- .pr_output = rip6_output,
- .pr_ctlinput = rip6_ctlinput,
- .pr_ctloutput = rip6_ctloutput,
- .pr_fasttimo = icmp6_fasttimo,
- .pr_slowtimo = icmp6_slowtimo,
- .pr_usrreqs = &rip6_usrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_DSTOPTS,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = dest6_input,
- .pr_usrreqs = &nousrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_ROUTING,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = route6_input,
- .pr_usrreqs = &nousrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_FRAGMENT,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = frag6_input,
- .pr_usrreqs = &nousrreqs
- },
- #ifdef INET
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_IPV4,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap6_input,
- .pr_output = rip6_output,
- .pr_ctloutput = rip6_ctloutput,
- .pr_usrreqs = &rip6_usrreqs
- },
- #endif /* INET */
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_IPV6,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap6_input,
- .pr_output = rip6_output,
- .pr_ctloutput = rip6_ctloutput,
- .pr_usrreqs = &rip6_usrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_GRE,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap6_input,
- .pr_output = rip6_output,
- .pr_ctloutput = rip6_ctloutput,
- .pr_usrreqs = &rip6_usrreqs
- },
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_protocol = IPPROTO_PIM,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap6_input,
- .pr_output = rip6_output,
- .pr_ctloutput = rip6_ctloutput,
- .pr_usrreqs = &rip6_usrreqs
- },
- /* Spacer n-times for loadable protocols. */
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- IP6PROTOSPACER,
- /* raw wildcard */
- {
- .pr_type = SOCK_RAW,
- .pr_domain = &inet6domain,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = rip6_input,
- .pr_output = rip6_output,
- .pr_ctloutput = rip6_ctloutput,
- .pr_usrreqs = &rip6_usrreqs
- },
- };
- struct domain inet6domain = {
- .dom_family = AF_INET6,
- .dom_name = "internet6",
- .dom_protosw = (struct protosw *)inet6sw,
- .dom_protoswNPROTOSW = (struct protosw *)&inet6sw[nitems(inet6sw)],
- .dom_rtattach = in6_inithead,
- #ifdef VIMAGE
- .dom_rtdetach = in6_detachhead,
- #endif
- .dom_ifattach = in6_domifattach,
- .dom_ifdetach = in6_domifdetach,
- .dom_ifmtu = in6_domifmtu
- };
- VNET_DOMAIN_SET(inet6);
- /*
- * Internet configuration info
- */
- #ifndef IPV6FORWARDING
- #ifdef GATEWAY6
- #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
- #else
- #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
- #endif /* GATEWAY6 */
- #endif /* !IPV6FORWARDING */
- #ifndef IPV6_SENDREDIRECTS
- #define IPV6_SENDREDIRECTS 1
- #endif
- VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
- VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
- VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
- VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
- VNET_DEFINE(int, ip6_accept_rtadv) = 0;
- VNET_DEFINE(int, ip6_no_radr) = 0;
- VNET_DEFINE(int, ip6_norbit_raif) = 0;
- VNET_DEFINE(int, ip6_rfc6204w3) = 0;
- VNET_DEFINE(int, ip6_log_interval) = 5;
- VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
- * process? */
- VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
- VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
- VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
- * (RFC2462 5.5.4) */
- VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
- * walk list every 5 sec. */
- VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
- VNET_DEFINE(int, ip6_v6only) = 1;
- VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
- #ifdef IPSTEALTH
- VNET_DEFINE(int, ip6stealth) = 0;
- #endif
- VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
- * (RFC 4861) */
- /* icmp6 */
- /*
- * BSDI4 defines these variables in in_proto.c...
- * XXX: what if we don't define INET? Should we define pmtu6_expire
- * or so? (jinmei@kame.net 19990310)
- */
- VNET_DEFINE(int, pmtu_expire) = 60*10;
- VNET_DEFINE(int, pmtu_probe) = 60*2;
- /* ICMPV6 parameters */
- VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
- VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
- VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
- /* control how to respond to NI queries */
- VNET_DEFINE(int, icmp6_nodeinfo) =
- (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
- VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
- /*
- * sysctl related items.
- */
- SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "Internet6 Family");
- /* net.inet6 */
- SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "IP6");
- SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "ICMP6");
- SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "UDP6");
- SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "TCP6");
- #if defined(SCTP) || defined(SCTP_SUPPORT)
- SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "SCTP6");
- #endif
- #if defined(IPSEC) || defined(IPSEC_SUPPORT)
- SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "IPSEC6");
- #endif /* IPSEC */
- /* net.inet6.ip6 */
- static int
- sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
- {
- int error, val;
- val = V_ip6_temp_preferred_lifetime;
- error = sysctl_handle_int(oidp, &val, 0, req);
- 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
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