1139826Simp/*- 253541Sshin * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 353541Sshin * All rights reserved. 453541Sshin * 553541Sshin * Redistribution and use in source and binary forms, with or without 653541Sshin * modification, are permitted provided that the following conditions 753541Sshin * are met: 853541Sshin * 1. Redistributions of source code must retain the above copyright 953541Sshin * notice, this list of conditions and the following disclaimer. 1053541Sshin * 2. Redistributions in binary form must reproduce the above copyright 1153541Sshin * notice, this list of conditions and the following disclaimer in the 1253541Sshin * documentation and/or other materials provided with the distribution. 1353541Sshin * 3. Neither the name of the project nor the names of its contributors 1453541Sshin * may be used to endorse or promote products derived from this software 1553541Sshin * without specific prior written permission. 1653541Sshin * 1753541Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1853541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1953541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2053541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2153541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2253541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2353541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2453541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2553541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2653541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2753541Sshin * SUCH DAMAGE. 28174510Sobrien * 29174510Sobrien * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ 3053541Sshin */ 3153541Sshin 32139826Simp/*- 3353541Sshin * Copyright (c) 1982, 1986, 1993 3453541Sshin * The Regents of the University of California. All rights reserved. 3553541Sshin * 3653541Sshin * Redistribution and use in source and binary forms, with or without 3753541Sshin * modification, are permitted provided that the following conditions 3853541Sshin * are met: 3953541Sshin * 1. Redistributions of source code must retain the above copyright 4053541Sshin * notice, this list of conditions and the following disclaimer. 4153541Sshin * 2. Redistributions in binary form must reproduce the above copyright 4253541Sshin * notice, this list of conditions and the following disclaimer in the 4353541Sshin * documentation and/or other materials provided with the distribution. 4453541Sshin * 4. Neither the name of the University nor the names of its contributors 4553541Sshin * may be used to endorse or promote products derived from this software 4653541Sshin * without specific prior written permission. 4753541Sshin * 4853541Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 4953541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5053541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5153541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5253541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5353541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5453541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5553541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5653541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5753541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5853541Sshin * SUCH DAMAGE. 5953541Sshin * 6053541Sshin * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 6153541Sshin */ 6253541Sshin 63174510Sobrien#include <sys/cdefs.h> 64174510Sobrien__FBSDID("$FreeBSD: releng/10.3/sys/netinet6/in6_proto.c 284066 2015-06-06 12:44:42Z ae $"); 65174510Sobrien 6655679Sshin#include "opt_inet.h" 6762587Sitojun#include "opt_inet6.h" 6855009Sshin#include "opt_ipsec.h" 69148921Ssuz#include "opt_ipstealth.h" 70163953Srrs#include "opt_sctp.h" 71178167Sqingli#include "opt_mpath.h" 72207828Skmacy#include "opt_route.h" 7355009Sshin 7453541Sshin#include <sys/param.h> 7553541Sshin#include <sys/socket.h> 7653541Sshin#include <sys/socketvar.h> 77185895Szec#include <sys/proc.h> 7853541Sshin#include <sys/protosw.h> 79194368Sbz#include <sys/jail.h> 8053541Sshin#include <sys/kernel.h> 8153541Sshin#include <sys/domain.h> 8253541Sshin#include <sys/mbuf.h> 8353541Sshin#include <sys/systm.h> 8453541Sshin#include <sys/sysctl.h> 8553541Sshin 8653541Sshin#include <net/if.h> 8753541Sshin#include <net/radix.h> 8853541Sshin#include <net/route.h> 89178167Sqingli#ifdef RADIX_MPATH 90178167Sqingli#include <net/radix_mpath.h> 91178167Sqingli#endif 9253541Sshin 9353541Sshin#include <netinet/in.h> 9453541Sshin#include <netinet/in_systm.h> 9553541Sshin#include <netinet/in_var.h> 9662587Sitojun#include <netinet/ip_encap.h> 9753541Sshin#include <netinet/ip.h> 9853541Sshin#include <netinet/ip_var.h> 9962587Sitojun#include <netinet/ip6.h> 10053541Sshin#include <netinet6/ip6_var.h> 10162587Sitojun#include <netinet/icmp6.h> 10253541Sshin 10353541Sshin#include <netinet/tcp.h> 10453541Sshin#include <netinet/tcp_timer.h> 10553541Sshin#include <netinet/tcp_var.h> 10653541Sshin#include <netinet/udp.h> 10753541Sshin#include <netinet/udp_var.h> 10853541Sshin#include <netinet6/tcp6_var.h> 10978064Sume#include <netinet6/raw_ip6.h> 11053541Sshin#include <netinet6/udp6_var.h> 11153541Sshin#include <netinet6/pim6_var.h> 11253541Sshin#include <netinet6/nd6.h> 11353541Sshin 114163953Srrs#ifdef SCTP 115163953Srrs#include <netinet/in_pcb.h> 116163953Srrs#include <netinet/sctp_pcb.h> 117163953Srrs#include <netinet/sctp.h> 118163953Srrs#include <netinet/sctp_var.h> 119163953Srrs#include <netinet6/sctp6_var.h> 120163953Srrs#endif /* SCTP */ 121163953Srrs 122171167Sgnn#ifdef IPSEC 123171133Sgnn#include <netipsec/ipsec.h> 124105199Ssam#include <netipsec/ipsec6.h> 125171167Sgnn#endif /* IPSEC */ 126105199Ssam 12753541Sshin#include <netinet6/ip6protosw.h> 12853541Sshin 12953541Sshin/* 13053541Sshin * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 13153541Sshin */ 132222272SbzFEATURE(inet6, "Internet Protocol version 6"); 13353541Sshin 13462587Sitojunextern struct domain inet6domain; 135148917Sobrienstatic struct pr_usrreqs nousrreqs; 13653541Sshin 13778064Sume#define PR_LISTEN 0 13878064Sume#define PR_ABRTACPTDIS 0 13978064Sume 140211115Sbz/* Spacer for loadable protocols. */ 141211115Sbz#define IP6PROTOSPACER \ 142211115Sbz{ \ 143211115Sbz .pr_domain = &inet6domain, \ 144211115Sbz .pr_protocol = PROTO_SPACER, \ 145211115Sbz .pr_usrreqs = &nousrreqs \ 146211115Sbz} 147211115Sbz 14853541Sshinstruct ip6protosw inet6sw[] = { 149152242Sru{ 150152242Sru .pr_type = 0, 151152242Sru .pr_domain = &inet6domain, 152152242Sru .pr_protocol = IPPROTO_IPV6, 153152242Sru .pr_init = ip6_init, 154193731Szec#ifdef VIMAGE 155193731Szec .pr_destroy = ip6_destroy, 156193731Szec#endif 157152242Sru .pr_slowtimo = frag6_slowtimo, 158152242Sru .pr_drain = frag6_drain, 159152242Sru .pr_usrreqs = &nousrreqs, 16053541Sshin}, 161152242Sru{ 162152242Sru .pr_type = SOCK_DGRAM, 163152242Sru .pr_domain = &inet6domain, 164152242Sru .pr_protocol = IPPROTO_UDP, 165152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 166152242Sru .pr_input = udp6_input, 167152242Sru .pr_ctlinput = udp6_ctlinput, 168152242Sru .pr_ctloutput = ip6_ctloutput, 169220881Sbz#ifndef INET /* Do not call initialization twice. */ 170220881Sbz .pr_init = udp_init, 171220881Sbz#endif 172152242Sru .pr_usrreqs = &udp6_usrreqs, 17354263Sshin}, 174152242Sru{ 175152242Sru .pr_type = SOCK_STREAM, 176152242Sru .pr_domain = &inet6domain, 177152242Sru .pr_protocol = IPPROTO_TCP, 178152242Sru .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 179152242Sru .pr_input = tcp6_input, 180152242Sru .pr_ctlinput = tcp6_ctlinput, 181152242Sru .pr_ctloutput = tcp_ctloutput, 182152242Sru#ifndef INET /* don't call initialization and timeout routines twice */ 183152242Sru .pr_init = tcp_init, 184152242Sru .pr_slowtimo = tcp_slowtimo, 18555679Sshin#endif 186152242Sru .pr_drain = tcp_drain, 187152242Sru .pr_usrreqs = &tcp6_usrreqs, 18855679Sshin}, 189163953Srrs#ifdef SCTP 190171260Sdelphij{ 191223963Stuexen .pr_type = SOCK_SEQPACKET, 192223963Stuexen .pr_domain = &inet6domain, 193223963Stuexen .pr_protocol = IPPROTO_SCTP, 194223963Stuexen .pr_flags = PR_WANTRCVD, 195223963Stuexen .pr_input = sctp6_input, 196223963Stuexen .pr_ctlinput = sctp6_ctlinput, 197223963Stuexen .pr_ctloutput = sctp_ctloutput, 198223963Stuexen .pr_drain = sctp_drain, 199220881Sbz#ifndef INET /* Do not call initialization twice. */ 200223963Stuexen .pr_init = sctp_init, 201220881Sbz#endif 202223963Stuexen .pr_usrreqs = &sctp6_usrreqs 203163953Srrs}, 204152242Sru{ 205223963Stuexen .pr_type = SOCK_STREAM, 206223963Stuexen .pr_domain = &inet6domain, 207223963Stuexen .pr_protocol = IPPROTO_SCTP, 208223963Stuexen .pr_flags = PR_WANTRCVD, 209223963Stuexen .pr_input = sctp6_input, 210265946Skevlo .pr_ctlinput = sctp6_ctlinput, 211223963Stuexen .pr_ctloutput = sctp_ctloutput, 212223963Stuexen .pr_drain = sctp_drain, 213223963Stuexen .pr_usrreqs = &sctp6_usrreqs 214163953Srrs}, 215163953Srrs#endif /* SCTP */ 216163953Srrs{ 217265946Skevlo .pr_type = SOCK_DGRAM, 218265946Skevlo .pr_domain = &inet6domain, 219265946Skevlo .pr_protocol = IPPROTO_UDPLITE, 220265946Skevlo .pr_flags = PR_ATOMIC|PR_ADDR, 221265946Skevlo .pr_input = udp6_input, 222265946Skevlo .pr_ctlinput = udplite6_ctlinput, 223265946Skevlo .pr_ctloutput = udp_ctloutput, 224265946Skevlo#ifndef INET /* Do not call initialization twice. */ 225265946Skevlo .pr_init = udplite_init, 226265946Skevlo#endif 227265946Skevlo .pr_usrreqs = &udp6_usrreqs, 228265946Skevlo}, 229265946Skevlo{ 230152242Sru .pr_type = SOCK_RAW, 231152242Sru .pr_domain = &inet6domain, 232152242Sru .pr_protocol = IPPROTO_RAW, 233152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 234152242Sru .pr_input = rip6_input, 235152242Sru .pr_output = rip6_output, 236152242Sru .pr_ctlinput = rip6_ctlinput, 237152242Sru .pr_ctloutput = rip6_ctloutput, 238220881Sbz#ifndef INET /* Do not call initialization twice. */ 239220881Sbz .pr_init = rip_init, 240220881Sbz#endif 241152242Sru .pr_usrreqs = &rip6_usrreqs 24253541Sshin}, 243152242Sru{ 244152242Sru .pr_type = SOCK_RAW, 245152242Sru .pr_domain = &inet6domain, 246152242Sru .pr_protocol = IPPROTO_ICMPV6, 247152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 248152242Sru .pr_input = icmp6_input, 249152242Sru .pr_output = rip6_output, 250152242Sru .pr_ctlinput = rip6_ctlinput, 251152242Sru .pr_ctloutput = rip6_ctloutput, 252152242Sru .pr_fasttimo = icmp6_fasttimo, 253191672Sbms .pr_slowtimo = icmp6_slowtimo, 254152242Sru .pr_usrreqs = &rip6_usrreqs 25553541Sshin}, 256152242Sru{ 257152242Sru .pr_type = SOCK_RAW, 258152242Sru .pr_domain = &inet6domain, 259152242Sru .pr_protocol = IPPROTO_DSTOPTS, 260152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 261152242Sru .pr_input = dest6_input, 262152242Sru .pr_usrreqs = &nousrreqs 26353541Sshin}, 264152242Sru{ 265152242Sru .pr_type = SOCK_RAW, 266152242Sru .pr_domain = &inet6domain, 267152242Sru .pr_protocol = IPPROTO_ROUTING, 268152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 269152242Sru .pr_input = route6_input, 270152242Sru .pr_usrreqs = &nousrreqs 27153541Sshin}, 272152242Sru{ 273152242Sru .pr_type = SOCK_RAW, 274152242Sru .pr_domain = &inet6domain, 275152242Sru .pr_protocol = IPPROTO_FRAGMENT, 276152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 277152242Sru .pr_input = frag6_input, 278152242Sru .pr_usrreqs = &nousrreqs 27953541Sshin}, 280171167Sgnn#ifdef IPSEC 281152242Sru{ 282152242Sru .pr_type = SOCK_RAW, 283152242Sru .pr_domain = &inet6domain, 284152242Sru .pr_protocol = IPPROTO_AH, 285152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 286171133Sgnn .pr_input = ipsec6_common_input, 287152242Sru .pr_usrreqs = &nousrreqs, 28853541Sshin}, 289152242Sru{ 290152242Sru .pr_type = SOCK_RAW, 291152242Sru .pr_domain = &inet6domain, 292152242Sru .pr_protocol = IPPROTO_ESP, 293152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 294171133Sgnn .pr_input = ipsec6_common_input, 295152242Sru .pr_ctlinput = esp6_ctlinput, 296152242Sru .pr_usrreqs = &nousrreqs, 29753541Sshin}, 298152242Sru{ 299152242Sru .pr_type = SOCK_RAW, 300152242Sru .pr_domain = &inet6domain, 301152242Sru .pr_protocol = IPPROTO_IPCOMP, 302152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 303171133Sgnn .pr_input = ipsec6_common_input, 304152242Sru .pr_usrreqs = &nousrreqs, 30562587Sitojun}, 306171167Sgnn#endif /* IPSEC */ 30762587Sitojun#ifdef INET 308152242Sru{ 309152242Sru .pr_type = SOCK_RAW, 310152242Sru .pr_domain = &inet6domain, 311152242Sru .pr_protocol = IPPROTO_IPV4, 312152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 313152242Sru .pr_input = encap6_input, 314152242Sru .pr_output = rip6_output, 315152242Sru .pr_ctloutput = rip6_ctloutput, 316152242Sru .pr_init = encap_init, 317152242Sru .pr_usrreqs = &rip6_usrreqs 31853541Sshin}, 31995023Ssuz#endif /* INET */ 320152242Sru{ 321152242Sru .pr_type = SOCK_RAW, 322152242Sru .pr_domain = &inet6domain, 323152242Sru .pr_protocol = IPPROTO_IPV6, 324152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 325152242Sru .pr_input = encap6_input, 326152242Sru .pr_output = rip6_output, 327152242Sru .pr_ctloutput = rip6_ctloutput, 328152242Sru .pr_init = encap_init, 329152242Sru .pr_usrreqs = &rip6_usrreqs 33053541Sshin}, 331152242Sru{ 332152242Sru .pr_type = SOCK_RAW, 333152242Sru .pr_domain = &inet6domain, 334284066Sae .pr_protocol = IPPROTO_GRE, 335284066Sae .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 336284066Sae .pr_input = encap6_input, 337284066Sae .pr_output = rip6_output, 338284066Sae .pr_ctloutput = rip6_ctloutput, 339284066Sae .pr_init = encap_init, 340284066Sae .pr_usrreqs = &rip6_usrreqs 341284066Sae}, 342284066Sae{ 343284066Sae .pr_type = SOCK_RAW, 344284066Sae .pr_domain = &inet6domain, 345152242Sru .pr_protocol = IPPROTO_PIM, 346152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 347166938Sbms .pr_input = encap6_input, 348152242Sru .pr_output = rip6_output, 349152242Sru .pr_ctloutput = rip6_ctloutput, 350152242Sru .pr_usrreqs = &rip6_usrreqs 35156722Sshin}, 352211115Sbz/* Spacer n-times for loadable protocols. */ 353211115SbzIP6PROTOSPACER, 354211115SbzIP6PROTOSPACER, 355211115SbzIP6PROTOSPACER, 356211115SbzIP6PROTOSPACER, 357211115SbzIP6PROTOSPACER, 358211115SbzIP6PROTOSPACER, 359211115SbzIP6PROTOSPACER, 360211115SbzIP6PROTOSPACER, 36153541Sshin/* raw wildcard */ 362152242Sru{ 363152242Sru .pr_type = SOCK_RAW, 364152242Sru .pr_domain = &inet6domain, 365152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 366152242Sru .pr_input = rip6_input, 367152242Sru .pr_output = rip6_output, 368152242Sru .pr_ctloutput = rip6_ctloutput, 369152242Sru .pr_usrreqs = &rip6_usrreqs 37053541Sshin}, 37153541Sshin}; 37253541Sshin 373175162Sobrienextern int in6_inithead(void **, int); 374193731Szec#ifdef VIMAGE 375193731Szecextern int in6_detachhead(void **, int); 376193731Szec#endif 37762587Sitojun 378152242Srustruct domain inet6domain = { 379152242Sru .dom_family = AF_INET6, 380152242Sru .dom_name = "internet6", 381152242Sru .dom_protosw = (struct protosw *)inet6sw, 382152242Sru .dom_protoswNPROTOSW = (struct protosw *) 383152242Sru &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 384178167Sqingli#ifdef RADIX_MPATH 385178167Sqingli .dom_rtattach = rn6_mpath_inithead, 386178167Sqingli#else 387152242Sru .dom_rtattach = in6_inithead, 388178167Sqingli#endif 389193731Szec#ifdef VIMAGE 390193731Szec .dom_rtdetach = in6_detachhead, 391193731Szec#endif 392152242Sru .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 393152242Sru .dom_maxrtkey = sizeof(struct sockaddr_in6), 394152242Sru .dom_ifattach = in6_domifattach, 395152242Sru .dom_ifdetach = in6_domifdetach 396152242Sru}; 39753541Sshin 398195837SrwatsonVNET_DOMAIN_SET(inet6); 39953541Sshin 40053541Sshin/* 40153541Sshin * Internet configuration info 40253541Sshin */ 403207369Sbz#ifndef IPV6FORWARDING 404207369Sbz#ifdef GATEWAY6 405207369Sbz#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 406207369Sbz#else 407207369Sbz#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 408207369Sbz#endif /* GATEWAY6 */ 409207369Sbz#endif /* !IPV6FORWARDING */ 41053541Sshin 411207369Sbz#ifndef IPV6_SENDREDIRECTS 412207369Sbz#define IPV6_SENDREDIRECTS 1 413207369Sbz#endif 414207369Sbz 415207369SbzVNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 416207369SbzVNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 417207369SbzVNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 418207369SbzVNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 419207369SbzVNET_DEFINE(int, ip6_accept_rtadv) = 0; 420222728ShrsVNET_DEFINE(int, ip6_no_radr) = 0; 421222728ShrsVNET_DEFINE(int, ip6_norbit_raif) = 0; 422225521ShrsVNET_DEFINE(int, ip6_rfc6204w3) = 0; 423207369SbzVNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 424207369SbzVNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 425207369SbzVNET_DEFINE(int, ip6_log_interval) = 5; 426207369SbzVNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 427207369Sbz * process? */ 428207369SbzVNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 429207369SbzVNET_DEFINE(int, ip6_auto_flowlabel) = 1; 430207369SbzVNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 431207369Sbz * (RFC2462 5.5.4) */ 432207369SbzVNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 433207369Sbz * walk list every 5 sec. */ 434207369SbzVNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 435207369SbzVNET_DEFINE(int, ip6_v6only) = 1; 436207369Sbz 437207369SbzVNET_DEFINE(int, ip6_keepfaith) = 0; 438207369SbzVNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 439207369Sbz#ifdef IPSTEALTH 440207369SbzVNET_DEFINE(int, ip6stealth) = 0; 441207369Sbz#endif 442207369SbzVNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 443207369Sbz * (RFC 4861) */ 444207369Sbz 44553541Sshin/* icmp6 */ 44653541Sshin/* 44753541Sshin * BSDI4 defines these variables in in_proto.c... 44853541Sshin * XXX: what if we don't define INET? Should we define pmtu6_expire 44953541Sshin * or so? (jinmei@kame.net 19990310) 45053541Sshin */ 451207369SbzVNET_DEFINE(int, pmtu_expire) = 60*10; 452207369SbzVNET_DEFINE(int, pmtu_probe) = 60*2; 45353541Sshin 45453541Sshin/* ICMPV6 parameters */ 455207369SbzVNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 456207369SbzVNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 457207369SbzVNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 458169664Sjinmei/* control how to respond to NI queries */ 459207369SbzVNET_DEFINE(int, icmp6_nodeinfo) = 460207369Sbz (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 461250251ShrsVNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1; 46253541Sshin 46353541Sshin/* 46453541Sshin * sysctl related items. 46553541Sshin */ 46653541SshinSYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 46753541Sshin "Internet6 Family"); 46853541Sshin 46953541Sshin/* net.inet6 */ 47053541SshinSYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 47153541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 47253541SshinSYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 47353541SshinSYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 474163953Srrs#ifdef SCTP 475163953SrrsSYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 476163953Srrs#endif 477171167Sgnn#ifdef IPSEC 47853541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 479171167Sgnn#endif /* IPSEC */ 48053541Sshin 48153541Sshin/* net.inet6.ip6 */ 48253541Sshinstatic int 48378064Sumesysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 48453541Sshin{ 48553541Sshin int error = 0; 48678064Sume int old; 48753541Sshin 48853541Sshin error = SYSCTL_OUT(req, arg1, sizeof(int)); 48953541Sshin if (error || !req->newptr) 49053541Sshin return (error); 491181803Sbz old = V_ip6_temp_preferred_lifetime; 49253541Sshin error = SYSCTL_IN(req, arg1, sizeof(int)); 493181803Sbz if (V_ip6_temp_preferred_lifetime < 494181803Sbz V_ip6_desync_factor + V_ip6_temp_regen_advance) { 495181803Sbz V_ip6_temp_preferred_lifetime = old; 496120856Sume return (EINVAL); 49753541Sshin } 498120856Sume return (error); 49953541Sshin} 50053541Sshin 50162587Sitojunstatic int 50278064Sumesysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 50362587Sitojun{ 50478064Sume int error = 0; 50578064Sume int old; 50662587Sitojun 50778064Sume error = SYSCTL_OUT(req, arg1, sizeof(int)); 50878064Sume if (error || !req->newptr) 50962587Sitojun return (error); 510181803Sbz old = V_ip6_temp_valid_lifetime; 51178064Sume error = SYSCTL_IN(req, arg1, sizeof(int)); 512181803Sbz if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 513181803Sbz V_ip6_temp_preferred_lifetime = old; 514120856Sume return (EINVAL); 51578064Sume } 516120856Sume return (error); 51762587Sitojun} 51862587Sitojun 519195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 520195699Srwatson &VNET_NAME(ip6_forwarding), 0, ""); 521195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 522195699Srwatson &VNET_NAME(ip6_sendredirects), 0, ""); 523195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 524195699Srwatson &VNET_NAME(ip6_defhlim), 0, ""); 525253085SaeSYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat, 526253085Sae ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)"); 527195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 528195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 529195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 530197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 531197138Shrs "Default value of per-interface flag for accepting ICMPv6 Router" 532197138Shrs "Advertisement messages"); 533222728ShrsSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 534222728Shrs CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, 535222728Shrs "Default value of per-interface flag to control whether routers " 536222728Shrs "sending ICMPv6 RA messages on that interface are added into the " 537222728Shrs "default router list."); 538222728ShrsSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW, 539222728Shrs &VNET_NAME(ip6_norbit_raif), 0, 540222728Shrs "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 541222728Shrs " on the interface."); 542225521ShrsSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3, 543225521Shrs CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0, 544225521Shrs "Accept the default router list from ICMPv6 RA messages even " 545225521Shrs "when packet forwarding enabled."); 546195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 547195699Srwatson &VNET_NAME(ip6_keepfaith), 0, ""); 548195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 549195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 550195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 551195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 552195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 553195699Srwatson &VNET_NAME(ip6_dad_count), 0, ""); 554195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 555195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 556195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 557195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 558195699SrwatsonSYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 559195699Srwatson CTLFLAG_RD, __KAME_VERSION, 0, ""); 560195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 561195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 562195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 563195699Srwatson &VNET_NAME(ip6_rr_prune), 0, ""); 564195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 565195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 566195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 567195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 568183550Szec sysctl_ip6_temppltime, "I", ""); 569195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 570195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 571183550Szec sysctl_ip6_tempvltime, "I", ""); 572195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 573195699Srwatson &VNET_NAME(ip6_v6only), 0, ""); 574195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 575197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 576197138Shrs "Default value of per-interface flag for automatically adding an IPv6" 577197138Shrs " link-local address to interfaces when attached"); 578253085SaeSYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, 579253085Sae struct rip6stat, rip6stat, 580253085Sae "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)"); 581195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 582195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 583195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 584195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 585195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 586195699Srwatson &VNET_NAME(ip6_maxfrags), 0, ""); 587195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 588195699Srwatson &VNET_NAME(ip6_mcast_pmtu), 0, ""); 589148921Ssuz#ifdef IPSTEALTH 590195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 591195699Srwatson &VNET_NAME(ip6stealth), 0, ""); 592148921Ssuz#endif 59353541Sshin 59453541Sshin/* net.inet6.icmp6 */ 595195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 596195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 597195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 598195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 599253085SaeSYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, 600253085Sae struct icmp6stat, icmp6stat, 601253085Sae "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)"); 602195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 603195699Srwatson &VNET_NAME(nd6_prune), 0, ""); 604195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 605195699Srwatson &VNET_NAME(nd6_delay), 0, ""); 606195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 607195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 608195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 609195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 610195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 611195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 612195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 613195699Srwatson &VNET_NAME(icmp6_nodeinfo), 0, ""); 614250251ShrsSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX, 615250251Shrs nodeinfo_oldmcprefix, CTLFLAG_RW, 616250251Shrs &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0, 617250251Shrs "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup" 618250251Shrs " for compatibility with KAME implememtation."); 619195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 620195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 621195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 622195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 623195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 624195699Srwatson &VNET_NAME(nd6_debug), 0, ""); 625195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 626195699Srwatson nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 627195699Srwatson 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 628