in6_proto.c revision 211115
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: head/sys/netinet6/in6_proto.c 211115 2010-08-09 19:53:24Z bz $"); 65174510Sobrien 6655679Sshin#include "opt_inet.h" 6762587Sitojun#include "opt_inet6.h" 6855009Sshin#include "opt_ipsec.h" 69148921Ssuz#include "opt_ipstealth.h" 70142215Sglebius#include "opt_carp.h" 71163953Srrs#include "opt_sctp.h" 72178167Sqingli#include "opt_mpath.h" 73207828Skmacy#include "opt_route.h" 7455009Sshin 7553541Sshin#include <sys/param.h> 7653541Sshin#include <sys/socket.h> 7753541Sshin#include <sys/socketvar.h> 78185895Szec#include <sys/proc.h> 7953541Sshin#include <sys/protosw.h> 80194368Sbz#include <sys/jail.h> 8153541Sshin#include <sys/kernel.h> 8253541Sshin#include <sys/domain.h> 8353541Sshin#include <sys/mbuf.h> 8453541Sshin#include <sys/systm.h> 8553541Sshin#include <sys/sysctl.h> 8653541Sshin 8753541Sshin#include <net/if.h> 8853541Sshin#include <net/radix.h> 8953541Sshin#include <net/route.h> 90178167Sqingli#ifdef RADIX_MPATH 91178167Sqingli#include <net/radix_mpath.h> 92178167Sqingli#endif 9353541Sshin 9453541Sshin#include <netinet/in.h> 9553541Sshin#include <netinet/in_systm.h> 9653541Sshin#include <netinet/in_var.h> 9762587Sitojun#include <netinet/ip_encap.h> 9853541Sshin#include <netinet/ip.h> 9953541Sshin#include <netinet/ip_var.h> 10062587Sitojun#include <netinet/ip6.h> 10153541Sshin#include <netinet6/ip6_var.h> 10262587Sitojun#include <netinet/icmp6.h> 10353541Sshin 10453541Sshin#include <netinet/tcp.h> 10553541Sshin#include <netinet/tcp_timer.h> 10653541Sshin#include <netinet/tcp_var.h> 10753541Sshin#include <netinet/udp.h> 10853541Sshin#include <netinet/udp_var.h> 10953541Sshin#include <netinet6/tcp6_var.h> 11078064Sume#include <netinet6/raw_ip6.h> 11153541Sshin#include <netinet6/udp6_var.h> 11253541Sshin#include <netinet6/pim6_var.h> 11353541Sshin#include <netinet6/nd6.h> 11453541Sshin 115142215Sglebius#ifdef DEV_CARP 116142215Sglebius#include <netinet/ip_carp.h> 117142215Sglebius#endif 118142215Sglebius 119163953Srrs#ifdef SCTP 120163953Srrs#include <netinet/in_pcb.h> 121163953Srrs#include <netinet/sctp_pcb.h> 122163953Srrs#include <netinet/sctp.h> 123163953Srrs#include <netinet/sctp_var.h> 124163953Srrs#include <netinet6/sctp6_var.h> 125163953Srrs#endif /* SCTP */ 126163953Srrs 127171167Sgnn#ifdef IPSEC 128171133Sgnn#include <netipsec/ipsec.h> 129105199Ssam#include <netipsec/ipsec6.h> 130171167Sgnn#endif /* IPSEC */ 131105199Ssam 13253541Sshin#include <netinet6/ip6protosw.h> 13353541Sshin 134207828Skmacy#ifdef FLOWTABLE 135207828Skmacy#include <net/flowtable.h> 136207828Skmacy#endif 137207828Skmacy 13853541Sshin/* 13953541Sshin * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 14053541Sshin */ 14153541Sshin 14262587Sitojunextern struct domain inet6domain; 143148917Sobrienstatic struct pr_usrreqs nousrreqs; 14453541Sshin 14578064Sume#define PR_LISTEN 0 14678064Sume#define PR_ABRTACPTDIS 0 14778064Sume 148211115Sbz/* Spacer for loadable protocols. */ 149211115Sbz#define IP6PROTOSPACER \ 150211115Sbz{ \ 151211115Sbz .pr_domain = &inet6domain, \ 152211115Sbz .pr_protocol = PROTO_SPACER, \ 153211115Sbz .pr_usrreqs = &nousrreqs \ 154211115Sbz} 155211115Sbz 15653541Sshinstruct ip6protosw inet6sw[] = { 157152242Sru{ 158152242Sru .pr_type = 0, 159152242Sru .pr_domain = &inet6domain, 160152242Sru .pr_protocol = IPPROTO_IPV6, 161152242Sru .pr_init = ip6_init, 162193731Szec#ifdef VIMAGE 163193731Szec .pr_destroy = ip6_destroy, 164193731Szec#endif 165152242Sru .pr_slowtimo = frag6_slowtimo, 166152242Sru .pr_drain = frag6_drain, 167152242Sru .pr_usrreqs = &nousrreqs, 16853541Sshin}, 169152242Sru{ 170152242Sru .pr_type = SOCK_DGRAM, 171152242Sru .pr_domain = &inet6domain, 172152242Sru .pr_protocol = IPPROTO_UDP, 173152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 174152242Sru .pr_input = udp6_input, 175152242Sru .pr_ctlinput = udp6_ctlinput, 176152242Sru .pr_ctloutput = ip6_ctloutput, 177152242Sru .pr_usrreqs = &udp6_usrreqs, 17854263Sshin}, 179152242Sru{ 180152242Sru .pr_type = SOCK_STREAM, 181152242Sru .pr_domain = &inet6domain, 182152242Sru .pr_protocol = IPPROTO_TCP, 183152242Sru .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 184152242Sru .pr_input = tcp6_input, 185152242Sru .pr_ctlinput = tcp6_ctlinput, 186152242Sru .pr_ctloutput = tcp_ctloutput, 187152242Sru#ifndef INET /* don't call initialization and timeout routines twice */ 188152242Sru .pr_init = tcp_init, 189152242Sru .pr_slowtimo = tcp_slowtimo, 19055679Sshin#endif 191152242Sru .pr_drain = tcp_drain, 192152242Sru .pr_usrreqs = &tcp6_usrreqs, 19355679Sshin}, 194163953Srrs#ifdef SCTP 195171260Sdelphij{ 196171260Sdelphij .pr_type = SOCK_DGRAM, 197171260Sdelphij .pr_domain = &inet6domain, 198171260Sdelphij .pr_protocol = IPPROTO_SCTP, 199171260Sdelphij .pr_flags = PR_WANTRCVD, 200171260Sdelphij .pr_input = sctp6_input, 201171260Sdelphij .pr_ctlinput = sctp6_ctlinput, 202163953Srrs .pr_ctloutput = sctp_ctloutput, 203171260Sdelphij .pr_drain = sctp_drain, 204171260Sdelphij .pr_usrreqs = &sctp6_usrreqs 205163953Srrs}, 206152242Sru{ 207171260Sdelphij .pr_type = SOCK_SEQPACKET, 208171260Sdelphij .pr_domain = &inet6domain, 209171260Sdelphij .pr_protocol = IPPROTO_SCTP, 210171260Sdelphij .pr_flags = PR_WANTRCVD, 211171260Sdelphij .pr_input = sctp6_input, 212171260Sdelphij .pr_ctlinput = sctp6_ctlinput, 213163953Srrs .pr_ctloutput = sctp_ctloutput, 214171260Sdelphij .pr_drain = sctp_drain, 215171260Sdelphij .pr_usrreqs = &sctp6_usrreqs 216163953Srrs}, 217163953Srrs 218171260Sdelphij{ 219171260Sdelphij .pr_type = SOCK_STREAM, 220171260Sdelphij .pr_domain = &inet6domain, 221171260Sdelphij .pr_protocol = IPPROTO_SCTP, 222171260Sdelphij .pr_flags = PR_WANTRCVD, 223171260Sdelphij .pr_input = sctp6_input, 224171260Sdelphij .pr_ctlinput = sctp6_ctlinput, 225163953Srrs .pr_ctloutput = sctp_ctloutput, 226171260Sdelphij .pr_drain = sctp_drain, 227171260Sdelphij .pr_usrreqs = &sctp6_usrreqs 228163953Srrs}, 229163953Srrs#endif /* SCTP */ 230163953Srrs{ 231152242Sru .pr_type = SOCK_RAW, 232152242Sru .pr_domain = &inet6domain, 233152242Sru .pr_protocol = IPPROTO_RAW, 234152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 235152242Sru .pr_input = rip6_input, 236152242Sru .pr_output = rip6_output, 237152242Sru .pr_ctlinput = rip6_ctlinput, 238152242Sru .pr_ctloutput = rip6_ctloutput, 239152242Sru .pr_usrreqs = &rip6_usrreqs 24053541Sshin}, 241152242Sru{ 242152242Sru .pr_type = SOCK_RAW, 243152242Sru .pr_domain = &inet6domain, 244152242Sru .pr_protocol = IPPROTO_ICMPV6, 245152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 246152242Sru .pr_input = icmp6_input, 247152242Sru .pr_output = rip6_output, 248152242Sru .pr_ctlinput = rip6_ctlinput, 249152242Sru .pr_ctloutput = rip6_ctloutput, 250152242Sru .pr_fasttimo = icmp6_fasttimo, 251191672Sbms .pr_slowtimo = icmp6_slowtimo, 252152242Sru .pr_usrreqs = &rip6_usrreqs 25353541Sshin}, 254152242Sru{ 255152242Sru .pr_type = SOCK_RAW, 256152242Sru .pr_domain = &inet6domain, 257152242Sru .pr_protocol = IPPROTO_DSTOPTS, 258152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 259152242Sru .pr_input = dest6_input, 260152242Sru .pr_usrreqs = &nousrreqs 26153541Sshin}, 262152242Sru{ 263152242Sru .pr_type = SOCK_RAW, 264152242Sru .pr_domain = &inet6domain, 265152242Sru .pr_protocol = IPPROTO_ROUTING, 266152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 267152242Sru .pr_input = route6_input, 268152242Sru .pr_usrreqs = &nousrreqs 26953541Sshin}, 270152242Sru{ 271152242Sru .pr_type = SOCK_RAW, 272152242Sru .pr_domain = &inet6domain, 273152242Sru .pr_protocol = IPPROTO_FRAGMENT, 274152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 275152242Sru .pr_input = frag6_input, 276152242Sru .pr_usrreqs = &nousrreqs 27753541Sshin}, 278171167Sgnn#ifdef IPSEC 279152242Sru{ 280152242Sru .pr_type = SOCK_RAW, 281152242Sru .pr_domain = &inet6domain, 282152242Sru .pr_protocol = IPPROTO_AH, 283152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 284171133Sgnn .pr_input = ipsec6_common_input, 285152242Sru .pr_usrreqs = &nousrreqs, 28653541Sshin}, 287152242Sru{ 288152242Sru .pr_type = SOCK_RAW, 289152242Sru .pr_domain = &inet6domain, 290152242Sru .pr_protocol = IPPROTO_ESP, 291152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 292171133Sgnn .pr_input = ipsec6_common_input, 293152242Sru .pr_ctlinput = esp6_ctlinput, 294152242Sru .pr_usrreqs = &nousrreqs, 29553541Sshin}, 296152242Sru{ 297152242Sru .pr_type = SOCK_RAW, 298152242Sru .pr_domain = &inet6domain, 299152242Sru .pr_protocol = IPPROTO_IPCOMP, 300152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 301171133Sgnn .pr_input = ipsec6_common_input, 302152242Sru .pr_usrreqs = &nousrreqs, 30362587Sitojun}, 304171167Sgnn#endif /* IPSEC */ 30562587Sitojun#ifdef INET 306152242Sru{ 307152242Sru .pr_type = SOCK_RAW, 308152242Sru .pr_domain = &inet6domain, 309152242Sru .pr_protocol = IPPROTO_IPV4, 310152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 311152242Sru .pr_input = encap6_input, 312152242Sru .pr_output = rip6_output, 313152242Sru .pr_ctloutput = rip6_ctloutput, 314152242Sru .pr_init = encap_init, 315152242Sru .pr_usrreqs = &rip6_usrreqs 31653541Sshin}, 31795023Ssuz#endif /* INET */ 318152242Sru{ 319152242Sru .pr_type = SOCK_RAW, 320152242Sru .pr_domain = &inet6domain, 321152242Sru .pr_protocol = IPPROTO_IPV6, 322152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 323152242Sru .pr_input = encap6_input, 324152242Sru .pr_output = rip6_output, 325152242Sru .pr_ctloutput = rip6_ctloutput, 326152242Sru .pr_init = encap_init, 327152242Sru .pr_usrreqs = &rip6_usrreqs 32853541Sshin}, 329152242Sru{ 330152242Sru .pr_type = SOCK_RAW, 331152242Sru .pr_domain = &inet6domain, 332152242Sru .pr_protocol = IPPROTO_PIM, 333152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 334166938Sbms .pr_input = encap6_input, 335152242Sru .pr_output = rip6_output, 336152242Sru .pr_ctloutput = rip6_ctloutput, 337152242Sru .pr_usrreqs = &rip6_usrreqs 33856722Sshin}, 339142215Sglebius#ifdef DEV_CARP 340152242Sru{ 341152242Sru .pr_type = SOCK_RAW, 342152242Sru .pr_domain = &inet6domain, 343152242Sru .pr_protocol = IPPROTO_CARP, 344152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 345152242Sru .pr_input = carp6_input, 346152242Sru .pr_output = rip6_output, 347152242Sru .pr_ctloutput = rip6_ctloutput, 348152242Sru .pr_usrreqs = &rip6_usrreqs 349142215Sglebius}, 350142215Sglebius#endif /* DEV_CARP */ 351211115Sbz/* Spacer n-times for loadable protocols. */ 352211115SbzIP6PROTOSPACER, 353211115SbzIP6PROTOSPACER, 354211115SbzIP6PROTOSPACER, 355211115SbzIP6PROTOSPACER, 356211115SbzIP6PROTOSPACER, 357211115SbzIP6PROTOSPACER, 358211115SbzIP6PROTOSPACER, 359211115SbzIP6PROTOSPACER, 36053541Sshin/* raw wildcard */ 361152242Sru{ 362152242Sru .pr_type = SOCK_RAW, 363152242Sru .pr_domain = &inet6domain, 364152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 365152242Sru .pr_input = rip6_input, 366152242Sru .pr_output = rip6_output, 367152242Sru .pr_ctloutput = rip6_ctloutput, 368152242Sru .pr_usrreqs = &rip6_usrreqs 36953541Sshin}, 37053541Sshin}; 37153541Sshin 372175162Sobrienextern int in6_inithead(void **, int); 373193731Szec#ifdef VIMAGE 374193731Szecextern int in6_detachhead(void **, int); 375193731Szec#endif 37662587Sitojun 377152242Srustruct domain inet6domain = { 378152242Sru .dom_family = AF_INET6, 379152242Sru .dom_name = "internet6", 380152242Sru .dom_protosw = (struct protosw *)inet6sw, 381152242Sru .dom_protoswNPROTOSW = (struct protosw *) 382152242Sru &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 383178167Sqingli#ifdef RADIX_MPATH 384178167Sqingli .dom_rtattach = rn6_mpath_inithead, 385178167Sqingli#else 386152242Sru .dom_rtattach = in6_inithead, 387178167Sqingli#endif 388193731Szec#ifdef VIMAGE 389193731Szec .dom_rtdetach = in6_detachhead, 390193731Szec#endif 391152242Sru .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 392152242Sru .dom_maxrtkey = sizeof(struct sockaddr_in6), 393152242Sru .dom_ifattach = in6_domifattach, 394152242Sru .dom_ifdetach = in6_domifdetach 395152242Sru}; 39653541Sshin 397195837SrwatsonVNET_DOMAIN_SET(inet6); 39853541Sshin 39953541Sshin/* 40053541Sshin * Internet configuration info 40153541Sshin */ 402207369Sbz#ifndef IPV6FORWARDING 403207369Sbz#ifdef GATEWAY6 404207369Sbz#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 405207369Sbz#else 406207369Sbz#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 407207369Sbz#endif /* GATEWAY6 */ 408207369Sbz#endif /* !IPV6FORWARDING */ 40953541Sshin 410207369Sbz#ifndef IPV6_SENDREDIRECTS 411207369Sbz#define IPV6_SENDREDIRECTS 1 412207369Sbz#endif 413207369Sbz 414207369SbzVNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 415207369SbzVNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 416207369SbzVNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 417207369SbzVNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 418207369SbzVNET_DEFINE(int, ip6_accept_rtadv) = 0; 419207369SbzVNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 420207369SbzVNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 421207369SbzVNET_DEFINE(int, ip6_log_interval) = 5; 422207369SbzVNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 423207369Sbz * process? */ 424207369SbzVNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 425207369SbzVNET_DEFINE(int, ip6_auto_flowlabel) = 1; 426207369SbzVNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 427207369Sbz * (RFC2462 5.5.4) */ 428207369SbzVNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 429207369Sbz * walk list every 5 sec. */ 430207369SbzVNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 431207369SbzVNET_DEFINE(int, ip6_v6only) = 1; 432207369Sbz 433207369SbzVNET_DEFINE(int, ip6_keepfaith) = 0; 434207369SbzVNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 435207369Sbz#ifdef IPSTEALTH 436207369SbzVNET_DEFINE(int, ip6stealth) = 0; 437207369Sbz#endif 438207369SbzVNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 439207369Sbz * (RFC 4861) */ 440207369Sbz 44153541Sshin/* icmp6 */ 44253541Sshin/* 44353541Sshin * BSDI4 defines these variables in in_proto.c... 44453541Sshin * XXX: what if we don't define INET? Should we define pmtu6_expire 44553541Sshin * or so? (jinmei@kame.net 19990310) 44653541Sshin */ 447207369SbzVNET_DEFINE(int, pmtu_expire) = 60*10; 448207369SbzVNET_DEFINE(int, pmtu_probe) = 60*2; 44953541Sshin 45053541Sshin/* raw IP6 parameters */ 45153541Sshin/* 45253541Sshin * Nominal space allocated to a raw ip socket. 45353541Sshin */ 454207369Sbz#define RIPV6SNDQ 8192 455207369Sbz#define RIPV6RCVQ 8192 45653541Sshin 457207369SbzVNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ; 458207369SbzVNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ; 459207369Sbz 46053541Sshin/* ICMPV6 parameters */ 461207369SbzVNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 462207369SbzVNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 463207369SbzVNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 464169664Sjinmei/* control how to respond to NI queries */ 465207369SbzVNET_DEFINE(int, icmp6_nodeinfo) = 466207369Sbz (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 46753541Sshin 46853541Sshin/* UDP on IP6 parameters */ 469207369SbzVNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */ 470207369SbzVNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6)); 471207369Sbz /* 40 1K datagrams */ 47253541Sshin 47353541Sshin/* 47453541Sshin * sysctl related items. 47553541Sshin */ 47653541SshinSYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 47753541Sshin "Internet6 Family"); 47853541Sshin 47953541Sshin/* net.inet6 */ 48053541SshinSYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 48153541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 48253541SshinSYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 48353541SshinSYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 484163953Srrs#ifdef SCTP 485163953SrrsSYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 486163953Srrs#endif 487171167Sgnn#ifdef IPSEC 48853541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 489171167Sgnn#endif /* IPSEC */ 49053541Sshin 49153541Sshin/* net.inet6.ip6 */ 49253541Sshinstatic int 49378064Sumesysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 49453541Sshin{ 49553541Sshin int error = 0; 49678064Sume int old; 49753541Sshin 498195814Sbz VNET_SYSCTL_ARG(req, arg1); 499191688Szec 50053541Sshin error = SYSCTL_OUT(req, arg1, sizeof(int)); 50153541Sshin if (error || !req->newptr) 50253541Sshin return (error); 503181803Sbz old = V_ip6_temp_preferred_lifetime; 50453541Sshin error = SYSCTL_IN(req, arg1, sizeof(int)); 505181803Sbz if (V_ip6_temp_preferred_lifetime < 506181803Sbz V_ip6_desync_factor + V_ip6_temp_regen_advance) { 507181803Sbz V_ip6_temp_preferred_lifetime = old; 508120856Sume return (EINVAL); 50953541Sshin } 510120856Sume return (error); 51153541Sshin} 51253541Sshin 51362587Sitojunstatic int 51478064Sumesysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 51562587Sitojun{ 51678064Sume int error = 0; 51778064Sume int old; 51862587Sitojun 519195814Sbz VNET_SYSCTL_ARG(req, arg1); 520191688Szec 52178064Sume error = SYSCTL_OUT(req, arg1, sizeof(int)); 52278064Sume if (error || !req->newptr) 52362587Sitojun return (error); 524181803Sbz old = V_ip6_temp_valid_lifetime; 52578064Sume error = SYSCTL_IN(req, arg1, sizeof(int)); 526181803Sbz if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 527181803Sbz V_ip6_temp_preferred_lifetime = old; 528120856Sume return (EINVAL); 52978064Sume } 530120856Sume return (error); 53162587Sitojun} 53262587Sitojun 533195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 534195699Srwatson &VNET_NAME(ip6_forwarding), 0, ""); 535195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 536195699Srwatson &VNET_NAME(ip6_sendredirects), 0, ""); 537195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 538195699Srwatson &VNET_NAME(ip6_defhlim), 0, ""); 539195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 540195699Srwatson &VNET_NAME(ip6stat), ip6stat, ""); 541195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 542195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 543195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 544197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 545197138Shrs "Default value of per-interface flag for accepting ICMPv6 Router" 546197138Shrs "Advertisement messages"); 547195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 548195699Srwatson &VNET_NAME(ip6_keepfaith), 0, ""); 549195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 550195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 551195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 552195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 553195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 554195699Srwatson &VNET_NAME(ip6_dad_count), 0, ""); 555195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 556195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 557195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 558195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 559195699SrwatsonSYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 560195699Srwatson CTLFLAG_RD, __KAME_VERSION, 0, ""); 561195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 562195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 563195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 564195699Srwatson &VNET_NAME(ip6_rr_prune), 0, ""); 565195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 566195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 567195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 568195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 569183550Szec sysctl_ip6_temppltime, "I", ""); 570195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 571195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 572183550Szec sysctl_ip6_tempvltime, "I", ""); 573195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 574195699Srwatson &VNET_NAME(ip6_v6only), 0, ""); 575195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 576197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 577197138Shrs "Default value of per-interface flag for automatically adding an IPv6" 578197138Shrs " link-local address to interfaces when attached"); 579195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 580195699Srwatson &VNET_NAME(rip6stat), rip6stat, ""); 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 594207828Skmacy#ifdef FLOWTABLE 595207828SkmacyVNET_DEFINE(int, ip6_output_flowtable_size) = 2048; 596207828SkmacyVNET_DEFINE(struct flowtable *, ip6_ft); 597207828Skmacy#define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size) 598207828Skmacy 599207828SkmacySYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN, 600207828Skmacy &VNET_NAME(ip6_output_flowtable_size), 2048, 601207828Skmacy "number of entries in the per-cpu output flow caches"); 602207828Skmacy#endif 603207828Skmacy 60453541Sshin/* net.inet6.icmp6 */ 605195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 606195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 607195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 608195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 609195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 610195699Srwatson &VNET_NAME(icmp6stat), icmp6stat, ""); 611195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 612195699Srwatson &VNET_NAME(nd6_prune), 0, ""); 613195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 614195699Srwatson &VNET_NAME(nd6_delay), 0, ""); 615195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 616195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 617195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 618195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 619195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 620195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 621195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 622195699Srwatson &VNET_NAME(icmp6_nodeinfo), 0, ""); 623195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 624195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 625195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 626195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 627195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 628195699Srwatson &VNET_NAME(nd6_debug), 0, ""); 629195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 630195699Srwatson nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 631195699Srwatson 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 632