in6_proto.c revision 197138
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 197138 2009-09-12 22:08:20Z hrs $"); 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_fasttimo = tcp_fasttimo, 177 .pr_slowtimo = tcp_slowtimo, 178#endif 179 .pr_drain = tcp_drain, 180 .pr_usrreqs = &tcp6_usrreqs, 181}, 182#ifdef SCTP 183{ 184 .pr_type = SOCK_DGRAM, 185 .pr_domain = &inet6domain, 186 .pr_protocol = IPPROTO_SCTP, 187 .pr_flags = PR_WANTRCVD, 188 .pr_input = sctp6_input, 189 .pr_ctlinput = sctp6_ctlinput, 190 .pr_ctloutput = sctp_ctloutput, 191 .pr_drain = sctp_drain, 192 .pr_usrreqs = &sctp6_usrreqs 193}, 194{ 195 .pr_type = SOCK_SEQPACKET, 196 .pr_domain = &inet6domain, 197 .pr_protocol = IPPROTO_SCTP, 198 .pr_flags = PR_WANTRCVD, 199 .pr_input = sctp6_input, 200 .pr_ctlinput = sctp6_ctlinput, 201 .pr_ctloutput = sctp_ctloutput, 202 .pr_drain = sctp_drain, 203 .pr_usrreqs = &sctp6_usrreqs 204}, 205 206{ 207 .pr_type = SOCK_STREAM, 208 .pr_domain = &inet6domain, 209 .pr_protocol = IPPROTO_SCTP, 210 .pr_flags = PR_WANTRCVD, 211 .pr_input = sctp6_input, 212 .pr_ctlinput = sctp6_ctlinput, 213 .pr_ctloutput = sctp_ctloutput, 214 .pr_drain = sctp_drain, 215 .pr_usrreqs = &sctp6_usrreqs 216}, 217#endif /* SCTP */ 218{ 219 .pr_type = SOCK_RAW, 220 .pr_domain = &inet6domain, 221 .pr_protocol = IPPROTO_RAW, 222 .pr_flags = PR_ATOMIC|PR_ADDR, 223 .pr_input = rip6_input, 224 .pr_output = rip6_output, 225 .pr_ctlinput = rip6_ctlinput, 226 .pr_ctloutput = rip6_ctloutput, 227 .pr_usrreqs = &rip6_usrreqs 228}, 229{ 230 .pr_type = SOCK_RAW, 231 .pr_domain = &inet6domain, 232 .pr_protocol = IPPROTO_ICMPV6, 233 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 234 .pr_input = icmp6_input, 235 .pr_output = rip6_output, 236 .pr_ctlinput = rip6_ctlinput, 237 .pr_ctloutput = rip6_ctloutput, 238 .pr_init = icmp6_init, 239 .pr_fasttimo = icmp6_fasttimo, 240 .pr_slowtimo = icmp6_slowtimo, 241 .pr_usrreqs = &rip6_usrreqs 242}, 243{ 244 .pr_type = SOCK_RAW, 245 .pr_domain = &inet6domain, 246 .pr_protocol = IPPROTO_DSTOPTS, 247 .pr_flags = PR_ATOMIC|PR_ADDR, 248 .pr_input = dest6_input, 249 .pr_usrreqs = &nousrreqs 250}, 251{ 252 .pr_type = SOCK_RAW, 253 .pr_domain = &inet6domain, 254 .pr_protocol = IPPROTO_ROUTING, 255 .pr_flags = PR_ATOMIC|PR_ADDR, 256 .pr_input = route6_input, 257 .pr_usrreqs = &nousrreqs 258}, 259{ 260 .pr_type = SOCK_RAW, 261 .pr_domain = &inet6domain, 262 .pr_protocol = IPPROTO_FRAGMENT, 263 .pr_flags = PR_ATOMIC|PR_ADDR, 264 .pr_input = frag6_input, 265 .pr_usrreqs = &nousrreqs 266}, 267#ifdef IPSEC 268{ 269 .pr_type = SOCK_RAW, 270 .pr_domain = &inet6domain, 271 .pr_protocol = IPPROTO_AH, 272 .pr_flags = PR_ATOMIC|PR_ADDR, 273 .pr_input = ipsec6_common_input, 274 .pr_usrreqs = &nousrreqs, 275}, 276{ 277 .pr_type = SOCK_RAW, 278 .pr_domain = &inet6domain, 279 .pr_protocol = IPPROTO_ESP, 280 .pr_flags = PR_ATOMIC|PR_ADDR, 281 .pr_input = ipsec6_common_input, 282 .pr_ctlinput = esp6_ctlinput, 283 .pr_usrreqs = &nousrreqs, 284}, 285{ 286 .pr_type = SOCK_RAW, 287 .pr_domain = &inet6domain, 288 .pr_protocol = IPPROTO_IPCOMP, 289 .pr_flags = PR_ATOMIC|PR_ADDR, 290 .pr_input = ipsec6_common_input, 291 .pr_usrreqs = &nousrreqs, 292}, 293#endif /* IPSEC */ 294#ifdef INET 295{ 296 .pr_type = SOCK_RAW, 297 .pr_domain = &inet6domain, 298 .pr_protocol = IPPROTO_IPV4, 299 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 300 .pr_input = encap6_input, 301 .pr_output = rip6_output, 302 .pr_ctloutput = rip6_ctloutput, 303 .pr_init = encap_init, 304 .pr_usrreqs = &rip6_usrreqs 305}, 306#endif /* INET */ 307{ 308 .pr_type = SOCK_RAW, 309 .pr_domain = &inet6domain, 310 .pr_protocol = IPPROTO_IPV6, 311 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 312 .pr_input = encap6_input, 313 .pr_output = rip6_output, 314 .pr_ctloutput = rip6_ctloutput, 315 .pr_init = encap_init, 316 .pr_usrreqs = &rip6_usrreqs 317}, 318{ 319 .pr_type = SOCK_RAW, 320 .pr_domain = &inet6domain, 321 .pr_protocol = IPPROTO_PIM, 322 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 323 .pr_input = encap6_input, 324 .pr_output = rip6_output, 325 .pr_ctloutput = rip6_ctloutput, 326 .pr_usrreqs = &rip6_usrreqs 327}, 328#ifdef DEV_CARP 329{ 330 .pr_type = SOCK_RAW, 331 .pr_domain = &inet6domain, 332 .pr_protocol = IPPROTO_CARP, 333 .pr_flags = PR_ATOMIC|PR_ADDR, 334 .pr_input = carp6_input, 335 .pr_output = rip6_output, 336 .pr_ctloutput = rip6_ctloutput, 337 .pr_usrreqs = &rip6_usrreqs 338}, 339#endif /* DEV_CARP */ 340/* raw wildcard */ 341{ 342 .pr_type = SOCK_RAW, 343 .pr_domain = &inet6domain, 344 .pr_flags = PR_ATOMIC|PR_ADDR, 345 .pr_input = rip6_input, 346 .pr_output = rip6_output, 347 .pr_ctloutput = rip6_ctloutput, 348 .pr_usrreqs = &rip6_usrreqs 349}, 350}; 351 352extern int in6_inithead(void **, int); 353#ifdef VIMAGE 354extern int in6_detachhead(void **, int); 355#endif 356 357struct domain inet6domain = { 358 .dom_family = AF_INET6, 359 .dom_name = "internet6", 360 .dom_protosw = (struct protosw *)inet6sw, 361 .dom_protoswNPROTOSW = (struct protosw *) 362 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 363#ifdef RADIX_MPATH 364 .dom_rtattach = rn6_mpath_inithead, 365#else 366 .dom_rtattach = in6_inithead, 367#endif 368#ifdef VIMAGE 369 .dom_rtdetach = in6_detachhead, 370#endif 371 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 372 .dom_maxrtkey = sizeof(struct sockaddr_in6), 373 .dom_ifattach = in6_domifattach, 374 .dom_ifdetach = in6_domifdetach 375}; 376 377VNET_DOMAIN_SET(inet6); 378 379/* 380 * Internet configuration info 381 */ 382VNET_DEFINE(int, ip6_forwarding); 383VNET_DEFINE(int, ip6_sendredirects); 384VNET_DEFINE(int, ip6_defhlim); 385VNET_DEFINE(int, ip6_defmcasthlim); 386VNET_DEFINE(int, ip6_accept_rtadv); 387VNET_DEFINE(int, ip6_maxfragpackets); 388VNET_DEFINE(int, ip6_maxfrags); 389VNET_DEFINE(int, ip6_log_interval); 390VNET_DEFINE(int, ip6_hdrnestlimit); 391VNET_DEFINE(int, ip6_dad_count); 392VNET_DEFINE(int, ip6_auto_flowlabel); 393VNET_DEFINE(int, ip6_use_deprecated); 394VNET_DEFINE(int, ip6_rr_prune); 395VNET_DEFINE(int, ip6_mcast_pmtu); 396VNET_DEFINE(int, ip6_v6only); 397VNET_DEFINE(int, ip6_keepfaith); 398VNET_DEFINE(time_t, ip6_log_time); 399VNET_DEFINE(int, ip6stealth); 400VNET_DEFINE(int, nd6_onlink_ns_rfc4861); 401 402/* icmp6 */ 403/* 404 * BSDI4 defines these variables in in_proto.c... 405 * XXX: what if we don't define INET? Should we define pmtu6_expire 406 * or so? (jinmei@kame.net 19990310) 407 */ 408VNET_DEFINE(int, pmtu_expire); 409VNET_DEFINE(int, pmtu_probe); 410 411/* raw IP6 parameters */ 412/* 413 * Nominal space allocated to a raw ip socket. 414 */ 415VNET_DEFINE(u_long, rip6_sendspace); 416VNET_DEFINE(u_long, rip6_recvspace); 417 418/* ICMPV6 parameters */ 419VNET_DEFINE(int, icmp6_rediraccept); 420VNET_DEFINE(int, icmp6_redirtimeout); 421VNET_DEFINE(int, icmp6errppslim); 422/* control how to respond to NI queries */ 423VNET_DEFINE(int, icmp6_nodeinfo); 424 425/* UDP on IP6 parameters */ 426VNET_DEFINE(int, udp6_sendspace); 427VNET_DEFINE(int, udp6_recvspace); 428 429/* 430 * sysctl related items. 431 */ 432SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 433 "Internet6 Family"); 434 435/* net.inet6 */ 436SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 437SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 438SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 439SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 440#ifdef SCTP 441SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 442#endif 443#ifdef IPSEC 444SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 445#endif /* IPSEC */ 446 447/* net.inet6.ip6 */ 448static int 449sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 450{ 451 int error = 0; 452 int old; 453 454 VNET_SYSCTL_ARG(req, arg1); 455 456 error = SYSCTL_OUT(req, arg1, sizeof(int)); 457 if (error || !req->newptr) 458 return (error); 459 old = V_ip6_temp_preferred_lifetime; 460 error = SYSCTL_IN(req, arg1, sizeof(int)); 461 if (V_ip6_temp_preferred_lifetime < 462 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 463 V_ip6_temp_preferred_lifetime = old; 464 return (EINVAL); 465 } 466 return (error); 467} 468 469static int 470sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 471{ 472 int error = 0; 473 int old; 474 475 VNET_SYSCTL_ARG(req, arg1); 476 477 error = SYSCTL_OUT(req, arg1, sizeof(int)); 478 if (error || !req->newptr) 479 return (error); 480 old = V_ip6_temp_valid_lifetime; 481 error = SYSCTL_IN(req, arg1, sizeof(int)); 482 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 483 V_ip6_temp_preferred_lifetime = old; 484 return (EINVAL); 485 } 486 return (error); 487} 488 489SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 490 &VNET_NAME(ip6_forwarding), 0, ""); 491SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 492 &VNET_NAME(ip6_sendredirects), 0, ""); 493SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 494 &VNET_NAME(ip6_defhlim), 0, ""); 495SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 496 &VNET_NAME(ip6stat), ip6stat, ""); 497SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 498 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 499SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 500 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 501 "Default value of per-interface flag for accepting ICMPv6 Router" 502 "Advertisement messages"); 503SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 504 &VNET_NAME(ip6_keepfaith), 0, ""); 505SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 506 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 507SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 508 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 509SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 510 &VNET_NAME(ip6_dad_count), 0, ""); 511SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 512 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 513SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 514 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 515SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 516 CTLFLAG_RD, __KAME_VERSION, 0, ""); 517SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 518 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 519SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 520 &VNET_NAME(ip6_rr_prune), 0, ""); 521SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 522 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 523SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 524 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 525 sysctl_ip6_temppltime, "I", ""); 526SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 527 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 528 sysctl_ip6_tempvltime, "I", ""); 529SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 530 &VNET_NAME(ip6_v6only), 0, ""); 531SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 532 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 533 "Default value of per-interface flag for automatically adding an IPv6" 534 " link-local address to interfaces when attached"); 535SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 536 &VNET_NAME(rip6stat), rip6stat, ""); 537SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 538 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 539SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 540 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 541SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 542 &VNET_NAME(ip6_maxfrags), 0, ""); 543SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 544 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 545#ifdef IPSTEALTH 546SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 547 &VNET_NAME(ip6stealth), 0, ""); 548#endif 549 550/* net.inet6.icmp6 */ 551SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 552 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 553SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 554 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 555SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 556 &VNET_NAME(icmp6stat), icmp6stat, ""); 557SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 558 &VNET_NAME(nd6_prune), 0, ""); 559SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 560 &VNET_NAME(nd6_delay), 0, ""); 561SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 562 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 563SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 564 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 565SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 566 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 567SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 568 &VNET_NAME(icmp6_nodeinfo), 0, ""); 569SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 570 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 571SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 572 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 573SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 574 &VNET_NAME(nd6_debug), 0, ""); 575 576SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 577 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 578 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 579