in6_proto.c revision 207369
1/*- 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ 30 */ 31 32/*- 33 * Copyright (c) 1982, 1986, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 4. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 61 */ 62 63#include <sys/cdefs.h> 64__FBSDID("$FreeBSD: head/sys/netinet6/in6_proto.c 207369 2010-04-29 11:52:42Z bz $"); 65 66#include "opt_inet.h" 67#include "opt_inet6.h" 68#include "opt_ipsec.h" 69#include "opt_ipstealth.h" 70#include "opt_carp.h" 71#include "opt_sctp.h" 72#include "opt_mpath.h" 73 74#include <sys/param.h> 75#include <sys/socket.h> 76#include <sys/socketvar.h> 77#include <sys/proc.h> 78#include <sys/protosw.h> 79#include <sys/jail.h> 80#include <sys/kernel.h> 81#include <sys/domain.h> 82#include <sys/mbuf.h> 83#include <sys/systm.h> 84#include <sys/sysctl.h> 85 86#include <net/if.h> 87#include <net/radix.h> 88#include <net/route.h> 89#ifdef RADIX_MPATH 90#include <net/radix_mpath.h> 91#endif 92 93#include <netinet/in.h> 94#include <netinet/in_systm.h> 95#include <netinet/in_var.h> 96#include <netinet/ip_encap.h> 97#include <netinet/ip.h> 98#include <netinet/ip_var.h> 99#include <netinet/ip6.h> 100#include <netinet6/ip6_var.h> 101#include <netinet/icmp6.h> 102 103#include <netinet/tcp.h> 104#include <netinet/tcp_timer.h> 105#include <netinet/tcp_var.h> 106#include <netinet/udp.h> 107#include <netinet/udp_var.h> 108#include <netinet6/tcp6_var.h> 109#include <netinet6/raw_ip6.h> 110#include <netinet6/udp6_var.h> 111#include <netinet6/pim6_var.h> 112#include <netinet6/nd6.h> 113 114#ifdef DEV_CARP 115#include <netinet/ip_carp.h> 116#endif 117 118#ifdef SCTP 119#include <netinet/in_pcb.h> 120#include <netinet/sctp_pcb.h> 121#include <netinet/sctp.h> 122#include <netinet/sctp_var.h> 123#include <netinet6/sctp6_var.h> 124#endif /* SCTP */ 125 126#ifdef IPSEC 127#include <netipsec/ipsec.h> 128#include <netipsec/ipsec6.h> 129#endif /* IPSEC */ 130 131#include <netinet6/ip6protosw.h> 132 133/* 134 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 135 */ 136 137extern struct domain inet6domain; 138static struct pr_usrreqs nousrreqs; 139 140#define PR_LISTEN 0 141#define PR_ABRTACPTDIS 0 142 143struct ip6protosw inet6sw[] = { 144{ 145 .pr_type = 0, 146 .pr_domain = &inet6domain, 147 .pr_protocol = IPPROTO_IPV6, 148 .pr_init = ip6_init, 149#ifdef VIMAGE 150 .pr_destroy = ip6_destroy, 151#endif 152 .pr_slowtimo = frag6_slowtimo, 153 .pr_drain = frag6_drain, 154 .pr_usrreqs = &nousrreqs, 155}, 156{ 157 .pr_type = SOCK_DGRAM, 158 .pr_domain = &inet6domain, 159 .pr_protocol = IPPROTO_UDP, 160 .pr_flags = PR_ATOMIC|PR_ADDR, 161 .pr_input = udp6_input, 162 .pr_ctlinput = udp6_ctlinput, 163 .pr_ctloutput = ip6_ctloutput, 164 .pr_usrreqs = &udp6_usrreqs, 165}, 166{ 167 .pr_type = SOCK_STREAM, 168 .pr_domain = &inet6domain, 169 .pr_protocol = IPPROTO_TCP, 170 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 171 .pr_input = tcp6_input, 172 .pr_ctlinput = tcp6_ctlinput, 173 .pr_ctloutput = tcp_ctloutput, 174#ifndef INET /* don't call initialization and timeout routines twice */ 175 .pr_init = tcp_init, 176 .pr_slowtimo = tcp_slowtimo, 177#endif 178 .pr_drain = tcp_drain, 179 .pr_usrreqs = &tcp6_usrreqs, 180}, 181#ifdef SCTP 182{ 183 .pr_type = SOCK_DGRAM, 184 .pr_domain = &inet6domain, 185 .pr_protocol = IPPROTO_SCTP, 186 .pr_flags = PR_WANTRCVD, 187 .pr_input = sctp6_input, 188 .pr_ctlinput = sctp6_ctlinput, 189 .pr_ctloutput = sctp_ctloutput, 190 .pr_drain = sctp_drain, 191 .pr_usrreqs = &sctp6_usrreqs 192}, 193{ 194 .pr_type = SOCK_SEQPACKET, 195 .pr_domain = &inet6domain, 196 .pr_protocol = IPPROTO_SCTP, 197 .pr_flags = PR_WANTRCVD, 198 .pr_input = sctp6_input, 199 .pr_ctlinput = sctp6_ctlinput, 200 .pr_ctloutput = sctp_ctloutput, 201 .pr_drain = sctp_drain, 202 .pr_usrreqs = &sctp6_usrreqs 203}, 204 205{ 206 .pr_type = SOCK_STREAM, 207 .pr_domain = &inet6domain, 208 .pr_protocol = IPPROTO_SCTP, 209 .pr_flags = PR_WANTRCVD, 210 .pr_input = sctp6_input, 211 .pr_ctlinput = sctp6_ctlinput, 212 .pr_ctloutput = sctp_ctloutput, 213 .pr_drain = sctp_drain, 214 .pr_usrreqs = &sctp6_usrreqs 215}, 216#endif /* SCTP */ 217{ 218 .pr_type = SOCK_RAW, 219 .pr_domain = &inet6domain, 220 .pr_protocol = IPPROTO_RAW, 221 .pr_flags = PR_ATOMIC|PR_ADDR, 222 .pr_input = rip6_input, 223 .pr_output = rip6_output, 224 .pr_ctlinput = rip6_ctlinput, 225 .pr_ctloutput = rip6_ctloutput, 226 .pr_usrreqs = &rip6_usrreqs 227}, 228{ 229 .pr_type = SOCK_RAW, 230 .pr_domain = &inet6domain, 231 .pr_protocol = IPPROTO_ICMPV6, 232 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 233 .pr_input = icmp6_input, 234 .pr_output = rip6_output, 235 .pr_ctlinput = rip6_ctlinput, 236 .pr_ctloutput = rip6_ctloutput, 237 .pr_fasttimo = icmp6_fasttimo, 238 .pr_slowtimo = icmp6_slowtimo, 239 .pr_usrreqs = &rip6_usrreqs 240}, 241{ 242 .pr_type = SOCK_RAW, 243 .pr_domain = &inet6domain, 244 .pr_protocol = IPPROTO_DSTOPTS, 245 .pr_flags = PR_ATOMIC|PR_ADDR, 246 .pr_input = dest6_input, 247 .pr_usrreqs = &nousrreqs 248}, 249{ 250 .pr_type = SOCK_RAW, 251 .pr_domain = &inet6domain, 252 .pr_protocol = IPPROTO_ROUTING, 253 .pr_flags = PR_ATOMIC|PR_ADDR, 254 .pr_input = route6_input, 255 .pr_usrreqs = &nousrreqs 256}, 257{ 258 .pr_type = SOCK_RAW, 259 .pr_domain = &inet6domain, 260 .pr_protocol = IPPROTO_FRAGMENT, 261 .pr_flags = PR_ATOMIC|PR_ADDR, 262 .pr_input = frag6_input, 263 .pr_usrreqs = &nousrreqs 264}, 265#ifdef IPSEC 266{ 267 .pr_type = SOCK_RAW, 268 .pr_domain = &inet6domain, 269 .pr_protocol = IPPROTO_AH, 270 .pr_flags = PR_ATOMIC|PR_ADDR, 271 .pr_input = ipsec6_common_input, 272 .pr_usrreqs = &nousrreqs, 273}, 274{ 275 .pr_type = SOCK_RAW, 276 .pr_domain = &inet6domain, 277 .pr_protocol = IPPROTO_ESP, 278 .pr_flags = PR_ATOMIC|PR_ADDR, 279 .pr_input = ipsec6_common_input, 280 .pr_ctlinput = esp6_ctlinput, 281 .pr_usrreqs = &nousrreqs, 282}, 283{ 284 .pr_type = SOCK_RAW, 285 .pr_domain = &inet6domain, 286 .pr_protocol = IPPROTO_IPCOMP, 287 .pr_flags = PR_ATOMIC|PR_ADDR, 288 .pr_input = ipsec6_common_input, 289 .pr_usrreqs = &nousrreqs, 290}, 291#endif /* IPSEC */ 292#ifdef INET 293{ 294 .pr_type = SOCK_RAW, 295 .pr_domain = &inet6domain, 296 .pr_protocol = IPPROTO_IPV4, 297 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 298 .pr_input = encap6_input, 299 .pr_output = rip6_output, 300 .pr_ctloutput = rip6_ctloutput, 301 .pr_init = encap_init, 302 .pr_usrreqs = &rip6_usrreqs 303}, 304#endif /* INET */ 305{ 306 .pr_type = SOCK_RAW, 307 .pr_domain = &inet6domain, 308 .pr_protocol = IPPROTO_IPV6, 309 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 310 .pr_input = encap6_input, 311 .pr_output = rip6_output, 312 .pr_ctloutput = rip6_ctloutput, 313 .pr_init = encap_init, 314 .pr_usrreqs = &rip6_usrreqs 315}, 316{ 317 .pr_type = SOCK_RAW, 318 .pr_domain = &inet6domain, 319 .pr_protocol = IPPROTO_PIM, 320 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 321 .pr_input = encap6_input, 322 .pr_output = rip6_output, 323 .pr_ctloutput = rip6_ctloutput, 324 .pr_usrreqs = &rip6_usrreqs 325}, 326#ifdef DEV_CARP 327{ 328 .pr_type = SOCK_RAW, 329 .pr_domain = &inet6domain, 330 .pr_protocol = IPPROTO_CARP, 331 .pr_flags = PR_ATOMIC|PR_ADDR, 332 .pr_input = carp6_input, 333 .pr_output = rip6_output, 334 .pr_ctloutput = rip6_ctloutput, 335 .pr_usrreqs = &rip6_usrreqs 336}, 337#endif /* DEV_CARP */ 338/* raw wildcard */ 339{ 340 .pr_type = SOCK_RAW, 341 .pr_domain = &inet6domain, 342 .pr_flags = PR_ATOMIC|PR_ADDR, 343 .pr_input = rip6_input, 344 .pr_output = rip6_output, 345 .pr_ctloutput = rip6_ctloutput, 346 .pr_usrreqs = &rip6_usrreqs 347}, 348}; 349 350extern int in6_inithead(void **, int); 351#ifdef VIMAGE 352extern int in6_detachhead(void **, int); 353#endif 354 355struct domain inet6domain = { 356 .dom_family = AF_INET6, 357 .dom_name = "internet6", 358 .dom_protosw = (struct protosw *)inet6sw, 359 .dom_protoswNPROTOSW = (struct protosw *) 360 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 361#ifdef RADIX_MPATH 362 .dom_rtattach = rn6_mpath_inithead, 363#else 364 .dom_rtattach = in6_inithead, 365#endif 366#ifdef VIMAGE 367 .dom_rtdetach = in6_detachhead, 368#endif 369 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 370 .dom_maxrtkey = sizeof(struct sockaddr_in6), 371 .dom_ifattach = in6_domifattach, 372 .dom_ifdetach = in6_domifdetach 373}; 374 375VNET_DOMAIN_SET(inet6); 376 377/* 378 * Internet configuration info 379 */ 380#ifndef IPV6FORWARDING 381#ifdef GATEWAY6 382#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 383#else 384#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 385#endif /* GATEWAY6 */ 386#endif /* !IPV6FORWARDING */ 387 388#ifndef IPV6_SENDREDIRECTS 389#define IPV6_SENDREDIRECTS 1 390#endif 391 392VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 393VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 394VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 395VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 396VNET_DEFINE(int, ip6_accept_rtadv) = 0; 397VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 398VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 399VNET_DEFINE(int, ip6_log_interval) = 5; 400VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 401 * process? */ 402VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 403VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 404VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 405 * (RFC2462 5.5.4) */ 406VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 407 * walk list every 5 sec. */ 408VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 409VNET_DEFINE(int, ip6_v6only) = 1; 410 411VNET_DEFINE(int, ip6_keepfaith) = 0; 412VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 413#ifdef IPSTEALTH 414VNET_DEFINE(int, ip6stealth) = 0; 415#endif 416VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 417 * (RFC 4861) */ 418 419/* icmp6 */ 420/* 421 * BSDI4 defines these variables in in_proto.c... 422 * XXX: what if we don't define INET? Should we define pmtu6_expire 423 * or so? (jinmei@kame.net 19990310) 424 */ 425VNET_DEFINE(int, pmtu_expire) = 60*10; 426VNET_DEFINE(int, pmtu_probe) = 60*2; 427 428/* raw IP6 parameters */ 429/* 430 * Nominal space allocated to a raw ip socket. 431 */ 432#define RIPV6SNDQ 8192 433#define RIPV6RCVQ 8192 434 435VNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ; 436VNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ; 437 438/* ICMPV6 parameters */ 439VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 440VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 441VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 442/* control how to respond to NI queries */ 443VNET_DEFINE(int, icmp6_nodeinfo) = 444 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 445 446/* UDP on IP6 parameters */ 447VNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */ 448VNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6)); 449 /* 40 1K datagrams */ 450 451/* 452 * sysctl related items. 453 */ 454SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 455 "Internet6 Family"); 456 457/* net.inet6 */ 458SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 459SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 460SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 461SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 462#ifdef SCTP 463SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 464#endif 465#ifdef IPSEC 466SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 467#endif /* IPSEC */ 468 469/* net.inet6.ip6 */ 470static int 471sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 472{ 473 int error = 0; 474 int old; 475 476 VNET_SYSCTL_ARG(req, arg1); 477 478 error = SYSCTL_OUT(req, arg1, sizeof(int)); 479 if (error || !req->newptr) 480 return (error); 481 old = V_ip6_temp_preferred_lifetime; 482 error = SYSCTL_IN(req, arg1, sizeof(int)); 483 if (V_ip6_temp_preferred_lifetime < 484 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 485 V_ip6_temp_preferred_lifetime = old; 486 return (EINVAL); 487 } 488 return (error); 489} 490 491static int 492sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 493{ 494 int error = 0; 495 int old; 496 497 VNET_SYSCTL_ARG(req, arg1); 498 499 error = SYSCTL_OUT(req, arg1, sizeof(int)); 500 if (error || !req->newptr) 501 return (error); 502 old = V_ip6_temp_valid_lifetime; 503 error = SYSCTL_IN(req, arg1, sizeof(int)); 504 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 505 V_ip6_temp_preferred_lifetime = old; 506 return (EINVAL); 507 } 508 return (error); 509} 510 511SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 512 &VNET_NAME(ip6_forwarding), 0, ""); 513SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 514 &VNET_NAME(ip6_sendredirects), 0, ""); 515SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 516 &VNET_NAME(ip6_defhlim), 0, ""); 517SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 518 &VNET_NAME(ip6stat), ip6stat, ""); 519SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 520 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 521SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 522 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 523 "Default value of per-interface flag for accepting ICMPv6 Router" 524 "Advertisement messages"); 525SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 526 &VNET_NAME(ip6_keepfaith), 0, ""); 527SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 528 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 529SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 530 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 531SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 532 &VNET_NAME(ip6_dad_count), 0, ""); 533SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 534 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 535SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 536 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 537SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 538 CTLFLAG_RD, __KAME_VERSION, 0, ""); 539SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 540 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 541SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 542 &VNET_NAME(ip6_rr_prune), 0, ""); 543SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 544 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 545SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 546 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 547 sysctl_ip6_temppltime, "I", ""); 548SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 549 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 550 sysctl_ip6_tempvltime, "I", ""); 551SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 552 &VNET_NAME(ip6_v6only), 0, ""); 553SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 554 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 555 "Default value of per-interface flag for automatically adding an IPv6" 556 " link-local address to interfaces when attached"); 557SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 558 &VNET_NAME(rip6stat), rip6stat, ""); 559SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 560 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 561SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 562 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 563SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 564 &VNET_NAME(ip6_maxfrags), 0, ""); 565SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 566 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 567#ifdef IPSTEALTH 568SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 569 &VNET_NAME(ip6stealth), 0, ""); 570#endif 571 572/* net.inet6.icmp6 */ 573SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 574 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 575SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 576 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 577SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 578 &VNET_NAME(icmp6stat), icmp6stat, ""); 579SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 580 &VNET_NAME(nd6_prune), 0, ""); 581SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 582 &VNET_NAME(nd6_delay), 0, ""); 583SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 584 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 585SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 586 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 587SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 588 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 589SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 590 &VNET_NAME(icmp6_nodeinfo), 0, ""); 591SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 592 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 593SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 594 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 595SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 596 &VNET_NAME(nd6_debug), 0, ""); 597SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 598 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 599 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 600