in6_proto.c revision 223963
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 223963 2011-07-12 19:29:29Z tuexen $"); 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 129207828Skmacy#ifdef FLOWTABLE 130207828Skmacy#include <net/flowtable.h> 131207828Skmacy#endif 132207828Skmacy 13353541Sshin/* 13453541Sshin * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 13553541Sshin */ 136222272SbzFEATURE(inet6, "Internet Protocol version 6"); 13753541Sshin 13862587Sitojunextern struct domain inet6domain; 139148917Sobrienstatic struct pr_usrreqs nousrreqs; 14053541Sshin 14178064Sume#define PR_LISTEN 0 14278064Sume#define PR_ABRTACPTDIS 0 14378064Sume 144211115Sbz/* Spacer for loadable protocols. */ 145211115Sbz#define IP6PROTOSPACER \ 146211115Sbz{ \ 147211115Sbz .pr_domain = &inet6domain, \ 148211115Sbz .pr_protocol = PROTO_SPACER, \ 149211115Sbz .pr_usrreqs = &nousrreqs \ 150211115Sbz} 151211115Sbz 15253541Sshinstruct ip6protosw inet6sw[] = { 153152242Sru{ 154152242Sru .pr_type = 0, 155152242Sru .pr_domain = &inet6domain, 156152242Sru .pr_protocol = IPPROTO_IPV6, 157152242Sru .pr_init = ip6_init, 158193731Szec#ifdef VIMAGE 159193731Szec .pr_destroy = ip6_destroy, 160193731Szec#endif 161152242Sru .pr_slowtimo = frag6_slowtimo, 162152242Sru .pr_drain = frag6_drain, 163152242Sru .pr_usrreqs = &nousrreqs, 16453541Sshin}, 165152242Sru{ 166152242Sru .pr_type = SOCK_DGRAM, 167152242Sru .pr_domain = &inet6domain, 168152242Sru .pr_protocol = IPPROTO_UDP, 169152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 170152242Sru .pr_input = udp6_input, 171152242Sru .pr_ctlinput = udp6_ctlinput, 172152242Sru .pr_ctloutput = ip6_ctloutput, 173220881Sbz#ifndef INET /* Do not call initialization twice. */ 174220881Sbz .pr_init = udp_init, 175220881Sbz#endif 176152242Sru .pr_usrreqs = &udp6_usrreqs, 17754263Sshin}, 178152242Sru{ 179152242Sru .pr_type = SOCK_STREAM, 180152242Sru .pr_domain = &inet6domain, 181152242Sru .pr_protocol = IPPROTO_TCP, 182152242Sru .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 183152242Sru .pr_input = tcp6_input, 184152242Sru .pr_ctlinput = tcp6_ctlinput, 185152242Sru .pr_ctloutput = tcp_ctloutput, 186152242Sru#ifndef INET /* don't call initialization and timeout routines twice */ 187152242Sru .pr_init = tcp_init, 188152242Sru .pr_slowtimo = tcp_slowtimo, 18955679Sshin#endif 190152242Sru .pr_drain = tcp_drain, 191152242Sru .pr_usrreqs = &tcp6_usrreqs, 19255679Sshin}, 193163953Srrs#ifdef SCTP 194171260Sdelphij{ 195223963Stuexen .pr_type = SOCK_SEQPACKET, 196223963Stuexen .pr_domain = &inet6domain, 197223963Stuexen .pr_protocol = IPPROTO_SCTP, 198223963Stuexen .pr_flags = PR_WANTRCVD, 199223963Stuexen .pr_input = sctp6_input, 200223963Stuexen .pr_ctlinput = sctp6_ctlinput, 201223963Stuexen .pr_ctloutput = sctp_ctloutput, 202223963Stuexen .pr_drain = sctp_drain, 203220881Sbz#ifndef INET /* Do not call initialization twice. */ 204223963Stuexen .pr_init = sctp_init, 205220881Sbz#endif 206223963Stuexen .pr_usrreqs = &sctp6_usrreqs 207163953Srrs}, 208152242Sru{ 209223963Stuexen .pr_type = SOCK_STREAM, 210223963Stuexen .pr_domain = &inet6domain, 211223963Stuexen .pr_protocol = IPPROTO_SCTP, 212223963Stuexen .pr_flags = PR_WANTRCVD, 213223963Stuexen .pr_input = sctp6_input, 214223963Stuexen .pr_ctlinput = sctp6_ctlinput, 215223963Stuexen .pr_ctloutput = sctp_ctloutput, 216223963Stuexen .pr_drain = sctp_drain, 217223963Stuexen .pr_usrreqs = &sctp6_usrreqs 218163953Srrs}, 219163953Srrs#endif /* SCTP */ 220163953Srrs{ 221152242Sru .pr_type = SOCK_RAW, 222152242Sru .pr_domain = &inet6domain, 223152242Sru .pr_protocol = IPPROTO_RAW, 224152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 225152242Sru .pr_input = rip6_input, 226152242Sru .pr_output = rip6_output, 227152242Sru .pr_ctlinput = rip6_ctlinput, 228152242Sru .pr_ctloutput = rip6_ctloutput, 229220881Sbz#ifndef INET /* Do not call initialization twice. */ 230220881Sbz .pr_init = rip_init, 231220881Sbz#endif 232152242Sru .pr_usrreqs = &rip6_usrreqs 23353541Sshin}, 234152242Sru{ 235152242Sru .pr_type = SOCK_RAW, 236152242Sru .pr_domain = &inet6domain, 237152242Sru .pr_protocol = IPPROTO_ICMPV6, 238152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 239152242Sru .pr_input = icmp6_input, 240152242Sru .pr_output = rip6_output, 241152242Sru .pr_ctlinput = rip6_ctlinput, 242152242Sru .pr_ctloutput = rip6_ctloutput, 243152242Sru .pr_fasttimo = icmp6_fasttimo, 244191672Sbms .pr_slowtimo = icmp6_slowtimo, 245152242Sru .pr_usrreqs = &rip6_usrreqs 24653541Sshin}, 247152242Sru{ 248152242Sru .pr_type = SOCK_RAW, 249152242Sru .pr_domain = &inet6domain, 250152242Sru .pr_protocol = IPPROTO_DSTOPTS, 251152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 252152242Sru .pr_input = dest6_input, 253152242Sru .pr_usrreqs = &nousrreqs 25453541Sshin}, 255152242Sru{ 256152242Sru .pr_type = SOCK_RAW, 257152242Sru .pr_domain = &inet6domain, 258152242Sru .pr_protocol = IPPROTO_ROUTING, 259152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 260152242Sru .pr_input = route6_input, 261152242Sru .pr_usrreqs = &nousrreqs 26253541Sshin}, 263152242Sru{ 264152242Sru .pr_type = SOCK_RAW, 265152242Sru .pr_domain = &inet6domain, 266152242Sru .pr_protocol = IPPROTO_FRAGMENT, 267152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 268152242Sru .pr_input = frag6_input, 269152242Sru .pr_usrreqs = &nousrreqs 27053541Sshin}, 271171167Sgnn#ifdef IPSEC 272152242Sru{ 273152242Sru .pr_type = SOCK_RAW, 274152242Sru .pr_domain = &inet6domain, 275152242Sru .pr_protocol = IPPROTO_AH, 276152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 277171133Sgnn .pr_input = ipsec6_common_input, 278152242Sru .pr_usrreqs = &nousrreqs, 27953541Sshin}, 280152242Sru{ 281152242Sru .pr_type = SOCK_RAW, 282152242Sru .pr_domain = &inet6domain, 283152242Sru .pr_protocol = IPPROTO_ESP, 284152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 285171133Sgnn .pr_input = ipsec6_common_input, 286152242Sru .pr_ctlinput = esp6_ctlinput, 287152242Sru .pr_usrreqs = &nousrreqs, 28853541Sshin}, 289152242Sru{ 290152242Sru .pr_type = SOCK_RAW, 291152242Sru .pr_domain = &inet6domain, 292152242Sru .pr_protocol = IPPROTO_IPCOMP, 293152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 294171133Sgnn .pr_input = ipsec6_common_input, 295152242Sru .pr_usrreqs = &nousrreqs, 29662587Sitojun}, 297171167Sgnn#endif /* IPSEC */ 29862587Sitojun#ifdef INET 299152242Sru{ 300152242Sru .pr_type = SOCK_RAW, 301152242Sru .pr_domain = &inet6domain, 302152242Sru .pr_protocol = IPPROTO_IPV4, 303152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 304152242Sru .pr_input = encap6_input, 305152242Sru .pr_output = rip6_output, 306152242Sru .pr_ctloutput = rip6_ctloutput, 307152242Sru .pr_init = encap_init, 308152242Sru .pr_usrreqs = &rip6_usrreqs 30953541Sshin}, 31095023Ssuz#endif /* INET */ 311152242Sru{ 312152242Sru .pr_type = SOCK_RAW, 313152242Sru .pr_domain = &inet6domain, 314152242Sru .pr_protocol = IPPROTO_IPV6, 315152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 316152242Sru .pr_input = encap6_input, 317152242Sru .pr_output = rip6_output, 318152242Sru .pr_ctloutput = rip6_ctloutput, 319152242Sru .pr_init = encap_init, 320152242Sru .pr_usrreqs = &rip6_usrreqs 32153541Sshin}, 322152242Sru{ 323152242Sru .pr_type = SOCK_RAW, 324152242Sru .pr_domain = &inet6domain, 325152242Sru .pr_protocol = IPPROTO_PIM, 326152242Sru .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 327166938Sbms .pr_input = encap6_input, 328152242Sru .pr_output = rip6_output, 329152242Sru .pr_ctloutput = rip6_ctloutput, 330152242Sru .pr_usrreqs = &rip6_usrreqs 33156722Sshin}, 332211115Sbz/* Spacer n-times for loadable protocols. */ 333211115SbzIP6PROTOSPACER, 334211115SbzIP6PROTOSPACER, 335211115SbzIP6PROTOSPACER, 336211115SbzIP6PROTOSPACER, 337211115SbzIP6PROTOSPACER, 338211115SbzIP6PROTOSPACER, 339211115SbzIP6PROTOSPACER, 340211115SbzIP6PROTOSPACER, 34153541Sshin/* raw wildcard */ 342152242Sru{ 343152242Sru .pr_type = SOCK_RAW, 344152242Sru .pr_domain = &inet6domain, 345152242Sru .pr_flags = PR_ATOMIC|PR_ADDR, 346152242Sru .pr_input = rip6_input, 347152242Sru .pr_output = rip6_output, 348152242Sru .pr_ctloutput = rip6_ctloutput, 349152242Sru .pr_usrreqs = &rip6_usrreqs 35053541Sshin}, 35153541Sshin}; 35253541Sshin 353175162Sobrienextern int in6_inithead(void **, int); 354193731Szec#ifdef VIMAGE 355193731Szecextern int in6_detachhead(void **, int); 356193731Szec#endif 35762587Sitojun 358152242Srustruct domain inet6domain = { 359152242Sru .dom_family = AF_INET6, 360152242Sru .dom_name = "internet6", 361152242Sru .dom_protosw = (struct protosw *)inet6sw, 362152242Sru .dom_protoswNPROTOSW = (struct protosw *) 363152242Sru &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 364178167Sqingli#ifdef RADIX_MPATH 365178167Sqingli .dom_rtattach = rn6_mpath_inithead, 366178167Sqingli#else 367152242Sru .dom_rtattach = in6_inithead, 368178167Sqingli#endif 369193731Szec#ifdef VIMAGE 370193731Szec .dom_rtdetach = in6_detachhead, 371193731Szec#endif 372152242Sru .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 373152242Sru .dom_maxrtkey = sizeof(struct sockaddr_in6), 374152242Sru .dom_ifattach = in6_domifattach, 375152242Sru .dom_ifdetach = in6_domifdetach 376152242Sru}; 37753541Sshin 378195837SrwatsonVNET_DOMAIN_SET(inet6); 37953541Sshin 38053541Sshin/* 38153541Sshin * Internet configuration info 38253541Sshin */ 383207369Sbz#ifndef IPV6FORWARDING 384207369Sbz#ifdef GATEWAY6 385207369Sbz#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 386207369Sbz#else 387207369Sbz#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 388207369Sbz#endif /* GATEWAY6 */ 389207369Sbz#endif /* !IPV6FORWARDING */ 39053541Sshin 391207369Sbz#ifndef IPV6_SENDREDIRECTS 392207369Sbz#define IPV6_SENDREDIRECTS 1 393207369Sbz#endif 394207369Sbz 395207369SbzVNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 396207369SbzVNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 397207369SbzVNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 398207369SbzVNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 399207369SbzVNET_DEFINE(int, ip6_accept_rtadv) = 0; 400222728ShrsVNET_DEFINE(int, ip6_no_radr) = 0; 401222728ShrsVNET_DEFINE(int, ip6_norbit_raif) = 0; 402207369SbzVNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 403207369SbzVNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 404207369SbzVNET_DEFINE(int, ip6_log_interval) = 5; 405207369SbzVNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 406207369Sbz * process? */ 407207369SbzVNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 408207369SbzVNET_DEFINE(int, ip6_auto_flowlabel) = 1; 409207369SbzVNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 410207369Sbz * (RFC2462 5.5.4) */ 411207369SbzVNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 412207369Sbz * walk list every 5 sec. */ 413207369SbzVNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 414207369SbzVNET_DEFINE(int, ip6_v6only) = 1; 415207369Sbz 416207369SbzVNET_DEFINE(int, ip6_keepfaith) = 0; 417207369SbzVNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 418207369Sbz#ifdef IPSTEALTH 419207369SbzVNET_DEFINE(int, ip6stealth) = 0; 420207369Sbz#endif 421207369SbzVNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 422207369Sbz * (RFC 4861) */ 423207369Sbz 42453541Sshin/* icmp6 */ 42553541Sshin/* 42653541Sshin * BSDI4 defines these variables in in_proto.c... 42753541Sshin * XXX: what if we don't define INET? Should we define pmtu6_expire 42853541Sshin * or so? (jinmei@kame.net 19990310) 42953541Sshin */ 430207369SbzVNET_DEFINE(int, pmtu_expire) = 60*10; 431207369SbzVNET_DEFINE(int, pmtu_probe) = 60*2; 43253541Sshin 43353541Sshin/* raw IP6 parameters */ 43453541Sshin/* 43553541Sshin * Nominal space allocated to a raw ip socket. 43653541Sshin */ 437207369Sbz#define RIPV6SNDQ 8192 438207369Sbz#define RIPV6RCVQ 8192 43953541Sshin 440207369SbzVNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ; 441207369SbzVNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ; 442207369Sbz 44353541Sshin/* ICMPV6 parameters */ 444207369SbzVNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 445207369SbzVNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 446207369SbzVNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 447169664Sjinmei/* control how to respond to NI queries */ 448207369SbzVNET_DEFINE(int, icmp6_nodeinfo) = 449207369Sbz (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 45053541Sshin 45153541Sshin/* UDP on IP6 parameters */ 452207369SbzVNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */ 453207369SbzVNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6)); 454207369Sbz /* 40 1K datagrams */ 45553541Sshin 45653541Sshin/* 45753541Sshin * sysctl related items. 45853541Sshin */ 45953541SshinSYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 46053541Sshin "Internet6 Family"); 46153541Sshin 46253541Sshin/* net.inet6 */ 46353541SshinSYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 46453541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 46553541SshinSYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 46653541SshinSYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 467163953Srrs#ifdef SCTP 468163953SrrsSYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 469163953Srrs#endif 470171167Sgnn#ifdef IPSEC 47153541SshinSYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 472171167Sgnn#endif /* IPSEC */ 47353541Sshin 47453541Sshin/* net.inet6.ip6 */ 47553541Sshinstatic int 47678064Sumesysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 47753541Sshin{ 47853541Sshin int error = 0; 47978064Sume int old; 48053541Sshin 481195814Sbz VNET_SYSCTL_ARG(req, arg1); 482191688Szec 48353541Sshin error = SYSCTL_OUT(req, arg1, sizeof(int)); 48453541Sshin if (error || !req->newptr) 48553541Sshin return (error); 486181803Sbz old = V_ip6_temp_preferred_lifetime; 48753541Sshin error = SYSCTL_IN(req, arg1, sizeof(int)); 488181803Sbz if (V_ip6_temp_preferred_lifetime < 489181803Sbz V_ip6_desync_factor + V_ip6_temp_regen_advance) { 490181803Sbz V_ip6_temp_preferred_lifetime = old; 491120856Sume return (EINVAL); 49253541Sshin } 493120856Sume return (error); 49453541Sshin} 49553541Sshin 49662587Sitojunstatic int 49778064Sumesysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 49862587Sitojun{ 49978064Sume int error = 0; 50078064Sume int old; 50162587Sitojun 502195814Sbz VNET_SYSCTL_ARG(req, arg1); 503191688Szec 50478064Sume error = SYSCTL_OUT(req, arg1, sizeof(int)); 50578064Sume if (error || !req->newptr) 50662587Sitojun return (error); 507181803Sbz old = V_ip6_temp_valid_lifetime; 50878064Sume error = SYSCTL_IN(req, arg1, sizeof(int)); 509181803Sbz if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 510181803Sbz V_ip6_temp_preferred_lifetime = old; 511120856Sume return (EINVAL); 51278064Sume } 513120856Sume return (error); 51462587Sitojun} 51562587Sitojun 516195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 517195699Srwatson &VNET_NAME(ip6_forwarding), 0, ""); 518195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 519195699Srwatson &VNET_NAME(ip6_sendredirects), 0, ""); 520195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 521195699Srwatson &VNET_NAME(ip6_defhlim), 0, ""); 522195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 523195699Srwatson &VNET_NAME(ip6stat), ip6stat, ""); 524195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 525195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 526195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 527197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 528197138Shrs "Default value of per-interface flag for accepting ICMPv6 Router" 529197138Shrs "Advertisement messages"); 530222728ShrsSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 531222728Shrs CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, 532222728Shrs "Default value of per-interface flag to control whether routers " 533222728Shrs "sending ICMPv6 RA messages on that interface are added into the " 534222728Shrs "default router list."); 535222728ShrsSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW, 536222728Shrs &VNET_NAME(ip6_norbit_raif), 0, 537222728Shrs "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 538222728Shrs " on the interface."); 539195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 540195699Srwatson &VNET_NAME(ip6_keepfaith), 0, ""); 541195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 542195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 543195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 544195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 545195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 546195699Srwatson &VNET_NAME(ip6_dad_count), 0, ""); 547195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 548195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 549195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 550195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 551195699SrwatsonSYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 552195699Srwatson CTLFLAG_RD, __KAME_VERSION, 0, ""); 553195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 554195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 555195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 556195699Srwatson &VNET_NAME(ip6_rr_prune), 0, ""); 557195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 558195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 559195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 560195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 561183550Szec sysctl_ip6_temppltime, "I", ""); 562195699SrwatsonSYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 563195699Srwatson CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 564183550Szec sysctl_ip6_tempvltime, "I", ""); 565195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 566195699Srwatson &VNET_NAME(ip6_v6only), 0, ""); 567195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 568197138Shrs CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 569197138Shrs "Default value of per-interface flag for automatically adding an IPv6" 570197138Shrs " link-local address to interfaces when attached"); 571195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 572195699Srwatson &VNET_NAME(rip6stat), rip6stat, ""); 573195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 574195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 575195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 576195699Srwatson CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 577195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 578195699Srwatson &VNET_NAME(ip6_maxfrags), 0, ""); 579195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 580195699Srwatson &VNET_NAME(ip6_mcast_pmtu), 0, ""); 581148921Ssuz#ifdef IPSTEALTH 582195699SrwatsonSYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 583195699Srwatson &VNET_NAME(ip6stealth), 0, ""); 584148921Ssuz#endif 58553541Sshin 586207828Skmacy#ifdef FLOWTABLE 587207828SkmacyVNET_DEFINE(int, ip6_output_flowtable_size) = 2048; 588207828SkmacyVNET_DEFINE(struct flowtable *, ip6_ft); 589207828Skmacy#define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size) 590207828Skmacy 591207828SkmacySYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN, 592207828Skmacy &VNET_NAME(ip6_output_flowtable_size), 2048, 593207828Skmacy "number of entries in the per-cpu output flow caches"); 594207828Skmacy#endif 595207828Skmacy 59653541Sshin/* net.inet6.icmp6 */ 597195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 598195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 599195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 600195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 601195699SrwatsonSYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 602195699Srwatson &VNET_NAME(icmp6stat), icmp6stat, ""); 603195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 604195699Srwatson &VNET_NAME(nd6_prune), 0, ""); 605195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 606195699Srwatson &VNET_NAME(nd6_delay), 0, ""); 607195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 608195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 609195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 610195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 611195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 612195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 613195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 614195699Srwatson &VNET_NAME(icmp6_nodeinfo), 0, ""); 615195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 616195699Srwatson CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 617195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 618195699Srwatson CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 619195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 620195699Srwatson &VNET_NAME(nd6_debug), 0, ""); 621195699SrwatsonSYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 622195699Srwatson nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 623195699Srwatson 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 624