in6_proto.c revision 178167
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 178167 2008-04-13 05:45:14Z qingli $"); 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/protosw.h> 78#include <sys/kernel.h> 79#include <sys/domain.h> 80#include <sys/mbuf.h> 81#include <sys/systm.h> 82#include <sys/sysctl.h> 83 84#include <net/if.h> 85#include <net/radix.h> 86#include <net/route.h> 87#ifdef RADIX_MPATH 88#include <net/radix_mpath.h> 89#endif 90 91#include <netinet/in.h> 92#include <netinet/in_systm.h> 93#include <netinet/in_var.h> 94#include <netinet/ip_encap.h> 95#include <netinet/ip.h> 96#include <netinet/ip_var.h> 97#include <netinet/ip6.h> 98#include <netinet6/ip6_var.h> 99#include <netinet/icmp6.h> 100 101#include <netinet/tcp.h> 102#include <netinet/tcp_timer.h> 103#include <netinet/tcp_var.h> 104#include <netinet/udp.h> 105#include <netinet/udp_var.h> 106#include <netinet6/tcp6_var.h> 107#include <netinet6/raw_ip6.h> 108#include <netinet6/udp6_var.h> 109#include <netinet6/pim6_var.h> 110#include <netinet6/nd6.h> 111 112#ifdef DEV_CARP 113#include <netinet/ip_carp.h> 114#endif 115 116#ifdef SCTP 117#include <netinet/in_pcb.h> 118#include <netinet/sctp_pcb.h> 119#include <netinet/sctp.h> 120#include <netinet/sctp_var.h> 121#include <netinet6/sctp6_var.h> 122#endif /* SCTP */ 123 124#ifdef IPSEC 125#include <netipsec/ipsec.h> 126#include <netipsec/ipsec6.h> 127#endif /* IPSEC */ 128 129#include <netinet6/ip6protosw.h> 130 131/* 132 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 133 */ 134 135extern struct domain inet6domain; 136static struct pr_usrreqs nousrreqs; 137 138#define PR_LISTEN 0 139#define PR_ABRTACPTDIS 0 140 141struct ip6protosw inet6sw[] = { 142{ 143 .pr_type = 0, 144 .pr_domain = &inet6domain, 145 .pr_protocol = IPPROTO_IPV6, 146 .pr_init = ip6_init, 147 .pr_slowtimo = frag6_slowtimo, 148 .pr_drain = frag6_drain, 149 .pr_usrreqs = &nousrreqs, 150}, 151{ 152 .pr_type = SOCK_DGRAM, 153 .pr_domain = &inet6domain, 154 .pr_protocol = IPPROTO_UDP, 155 .pr_flags = PR_ATOMIC|PR_ADDR, 156 .pr_input = udp6_input, 157 .pr_ctlinput = udp6_ctlinput, 158 .pr_ctloutput = ip6_ctloutput, 159 .pr_usrreqs = &udp6_usrreqs, 160}, 161{ 162 .pr_type = SOCK_STREAM, 163 .pr_domain = &inet6domain, 164 .pr_protocol = IPPROTO_TCP, 165 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 166 .pr_input = tcp6_input, 167 .pr_ctlinput = tcp6_ctlinput, 168 .pr_ctloutput = tcp_ctloutput, 169#ifndef INET /* don't call initialization and timeout routines twice */ 170 .pr_init = tcp_init, 171 .pr_fasttimo = tcp_fasttimo, 172 .pr_slowtimo = tcp_slowtimo, 173#endif 174 .pr_drain = tcp_drain, 175 .pr_usrreqs = &tcp6_usrreqs, 176}, 177#ifdef SCTP 178{ 179 .pr_type = SOCK_DGRAM, 180 .pr_domain = &inet6domain, 181 .pr_protocol = IPPROTO_SCTP, 182 .pr_flags = PR_WANTRCVD, 183 .pr_input = sctp6_input, 184 .pr_ctlinput = sctp6_ctlinput, 185 .pr_ctloutput = sctp_ctloutput, 186 .pr_drain = sctp_drain, 187 .pr_usrreqs = &sctp6_usrreqs 188}, 189{ 190 .pr_type = SOCK_SEQPACKET, 191 .pr_domain = &inet6domain, 192 .pr_protocol = IPPROTO_SCTP, 193 .pr_flags = PR_WANTRCVD, 194 .pr_input = sctp6_input, 195 .pr_ctlinput = sctp6_ctlinput, 196 .pr_ctloutput = sctp_ctloutput, 197 .pr_drain = sctp_drain, 198 .pr_usrreqs = &sctp6_usrreqs 199}, 200 201{ 202 .pr_type = SOCK_STREAM, 203 .pr_domain = &inet6domain, 204 .pr_protocol = IPPROTO_SCTP, 205 .pr_flags = PR_WANTRCVD, 206 .pr_input = sctp6_input, 207 .pr_ctlinput = sctp6_ctlinput, 208 .pr_ctloutput = sctp_ctloutput, 209 .pr_drain = sctp_drain, 210 .pr_usrreqs = &sctp6_usrreqs 211}, 212#endif /* SCTP */ 213{ 214 .pr_type = SOCK_RAW, 215 .pr_domain = &inet6domain, 216 .pr_protocol = IPPROTO_RAW, 217 .pr_flags = PR_ATOMIC|PR_ADDR, 218 .pr_input = rip6_input, 219 .pr_output = rip6_output, 220 .pr_ctlinput = rip6_ctlinput, 221 .pr_ctloutput = rip6_ctloutput, 222 .pr_usrreqs = &rip6_usrreqs 223}, 224{ 225 .pr_type = SOCK_RAW, 226 .pr_domain = &inet6domain, 227 .pr_protocol = IPPROTO_ICMPV6, 228 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 229 .pr_input = icmp6_input, 230 .pr_output = rip6_output, 231 .pr_ctlinput = rip6_ctlinput, 232 .pr_ctloutput = rip6_ctloutput, 233 .pr_init = icmp6_init, 234 .pr_fasttimo = icmp6_fasttimo, 235 .pr_usrreqs = &rip6_usrreqs 236}, 237{ 238 .pr_type = SOCK_RAW, 239 .pr_domain = &inet6domain, 240 .pr_protocol = IPPROTO_DSTOPTS, 241 .pr_flags = PR_ATOMIC|PR_ADDR, 242 .pr_input = dest6_input, 243 .pr_usrreqs = &nousrreqs 244}, 245{ 246 .pr_type = SOCK_RAW, 247 .pr_domain = &inet6domain, 248 .pr_protocol = IPPROTO_ROUTING, 249 .pr_flags = PR_ATOMIC|PR_ADDR, 250 .pr_input = route6_input, 251 .pr_usrreqs = &nousrreqs 252}, 253{ 254 .pr_type = SOCK_RAW, 255 .pr_domain = &inet6domain, 256 .pr_protocol = IPPROTO_FRAGMENT, 257 .pr_flags = PR_ATOMIC|PR_ADDR, 258 .pr_input = frag6_input, 259 .pr_usrreqs = &nousrreqs 260}, 261#ifdef IPSEC 262{ 263 .pr_type = SOCK_RAW, 264 .pr_domain = &inet6domain, 265 .pr_protocol = IPPROTO_AH, 266 .pr_flags = PR_ATOMIC|PR_ADDR, 267 .pr_input = ipsec6_common_input, 268 .pr_usrreqs = &nousrreqs, 269}, 270{ 271 .pr_type = SOCK_RAW, 272 .pr_domain = &inet6domain, 273 .pr_protocol = IPPROTO_ESP, 274 .pr_flags = PR_ATOMIC|PR_ADDR, 275 .pr_input = ipsec6_common_input, 276 .pr_ctlinput = esp6_ctlinput, 277 .pr_usrreqs = &nousrreqs, 278}, 279{ 280 .pr_type = SOCK_RAW, 281 .pr_domain = &inet6domain, 282 .pr_protocol = IPPROTO_IPCOMP, 283 .pr_flags = PR_ATOMIC|PR_ADDR, 284 .pr_input = ipsec6_common_input, 285 .pr_usrreqs = &nousrreqs, 286}, 287#endif /* IPSEC */ 288#ifdef INET 289{ 290 .pr_type = SOCK_RAW, 291 .pr_domain = &inet6domain, 292 .pr_protocol = IPPROTO_IPV4, 293 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 294 .pr_input = encap6_input, 295 .pr_output = rip6_output, 296 .pr_ctloutput = rip6_ctloutput, 297 .pr_init = encap_init, 298 .pr_usrreqs = &rip6_usrreqs 299}, 300#endif /* INET */ 301{ 302 .pr_type = SOCK_RAW, 303 .pr_domain = &inet6domain, 304 .pr_protocol = IPPROTO_IPV6, 305 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 306 .pr_input = encap6_input, 307 .pr_output = rip6_output, 308 .pr_ctloutput = rip6_ctloutput, 309 .pr_init = encap_init, 310 .pr_usrreqs = &rip6_usrreqs 311}, 312{ 313 .pr_type = SOCK_RAW, 314 .pr_domain = &inet6domain, 315 .pr_protocol = IPPROTO_PIM, 316 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 317 .pr_input = encap6_input, 318 .pr_output = rip6_output, 319 .pr_ctloutput = rip6_ctloutput, 320 .pr_usrreqs = &rip6_usrreqs 321}, 322#ifdef DEV_CARP 323{ 324 .pr_type = SOCK_RAW, 325 .pr_domain = &inet6domain, 326 .pr_protocol = IPPROTO_CARP, 327 .pr_flags = PR_ATOMIC|PR_ADDR, 328 .pr_input = carp6_input, 329 .pr_output = rip6_output, 330 .pr_ctloutput = rip6_ctloutput, 331 .pr_usrreqs = &rip6_usrreqs 332}, 333#endif /* DEV_CARP */ 334/* raw wildcard */ 335{ 336 .pr_type = SOCK_RAW, 337 .pr_domain = &inet6domain, 338 .pr_flags = PR_ATOMIC|PR_ADDR, 339 .pr_input = rip6_input, 340 .pr_output = rip6_output, 341 .pr_ctloutput = rip6_ctloutput, 342 .pr_usrreqs = &rip6_usrreqs 343}, 344}; 345 346extern int in6_inithead(void **, int); 347 348struct domain inet6domain = { 349 .dom_family = AF_INET6, 350 .dom_name = "internet6", 351 .dom_protosw = (struct protosw *)inet6sw, 352 .dom_protoswNPROTOSW = (struct protosw *) 353 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 354#ifdef RADIX_MPATH 355 .dom_rtattach = rn6_mpath_inithead, 356#else 357 .dom_rtattach = in6_inithead, 358#endif 359 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 360 .dom_maxrtkey = sizeof(struct sockaddr_in6), 361 .dom_ifattach = in6_domifattach, 362 .dom_ifdetach = in6_domifdetach 363}; 364 365DOMAIN_SET(inet6); 366 367/* 368 * Internet configuration info 369 */ 370#ifndef IPV6FORWARDING 371#ifdef GATEWAY6 372#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 373#else 374#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 375#endif /* GATEWAY6 */ 376#endif /* !IPV6FORWARDING */ 377 378#ifndef IPV6_SENDREDIRECTS 379#define IPV6_SENDREDIRECTS 1 380#endif 381 382int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 383int ip6_sendredirects = IPV6_SENDREDIRECTS; 384int ip6_defhlim = IPV6_DEFHLIM; 385int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 386int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 387int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 388int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 389int ip6_log_interval = 5; 390int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 391int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 392int ip6_auto_flowlabel = 1; 393int ip6_gif_hlim = 0; 394int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 395int ip6_rr_prune = 5; /* router renumbering prefix 396 * walk list every 5 sec. */ 397int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 398int ip6_v6only = 1; 399 400int ip6_keepfaith = 0; 401time_t ip6_log_time = (time_t)0L; 402#ifdef IPSTEALTH 403int ip6stealth = 0; 404#endif 405 406/* icmp6 */ 407/* 408 * BSDI4 defines these variables in in_proto.c... 409 * XXX: what if we don't define INET? Should we define pmtu6_expire 410 * or so? (jinmei@kame.net 19990310) 411 */ 412int pmtu_expire = 60*10; 413int pmtu_probe = 60*2; 414 415/* raw IP6 parameters */ 416/* 417 * Nominal space allocated to a raw ip socket. 418 */ 419#define RIPV6SNDQ 8192 420#define RIPV6RCVQ 8192 421 422u_long rip6_sendspace = RIPV6SNDQ; 423u_long rip6_recvspace = RIPV6RCVQ; 424 425/* ICMPV6 parameters */ 426int icmp6_rediraccept = 1; /* accept and process redirects */ 427int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 428int icmp6errppslim = 100; /* 100pps */ 429/* control how to respond to NI queries */ 430int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 431 432/* UDP on IP6 parameters */ 433int udp6_sendspace = 9216; /* really max datagram size */ 434int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 435 /* 40 1K datagrams */ 436 437/* 438 * sysctl related items. 439 */ 440SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 441 "Internet6 Family"); 442 443/* net.inet6 */ 444SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 445SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 446SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 447SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 448#ifdef SCTP 449SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 450#endif 451#ifdef IPSEC 452SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 453#endif /* IPSEC */ 454 455/* net.inet6.ip6 */ 456static int 457sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 458{ 459 int error = 0; 460 int old; 461 462 error = SYSCTL_OUT(req, arg1, sizeof(int)); 463 if (error || !req->newptr) 464 return (error); 465 old = ip6_temp_preferred_lifetime; 466 error = SYSCTL_IN(req, arg1, sizeof(int)); 467 if (ip6_temp_preferred_lifetime < 468 ip6_desync_factor + ip6_temp_regen_advance) { 469 ip6_temp_preferred_lifetime = old; 470 return (EINVAL); 471 } 472 return (error); 473} 474 475static int 476sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 477{ 478 int error = 0; 479 int old; 480 481 error = SYSCTL_OUT(req, arg1, sizeof(int)); 482 if (error || !req->newptr) 483 return (error); 484 old = ip6_temp_valid_lifetime; 485 error = SYSCTL_IN(req, arg1, sizeof(int)); 486 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 487 ip6_temp_preferred_lifetime = old; 488 return (EINVAL); 489 } 490 return (error); 491} 492 493SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 494 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 495SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 496 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 497SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 498 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 499SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 500 &ip6stat, ip6stat, ""); 501SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 502 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 503SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 504 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 505SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 506 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 507SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 508 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 509SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 510 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 511SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 512 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 513SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 514 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 515SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 516 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 517SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 518 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 519SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 520 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 521SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 522 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 523SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 524 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 525SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 526 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 527SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 528 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 529 sysctl_ip6_temppltime, "I", ""); 530SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 531 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 532 sysctl_ip6_tempvltime, "I", ""); 533SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 534 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 535TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 536SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 537 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 538SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 539 &rip6stat, rip6stat, ""); 540SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 541 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 542SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 543 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 544SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 545 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 546SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 547 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 548#ifdef IPSTEALTH 549SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 550 &ip6stealth, 0, ""); 551#endif 552 553/* net.inet6.icmp6 */ 554SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 555 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 556SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 557 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 558SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 559 &icmp6stat, icmp6stat, ""); 560SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 561 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 562SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 563 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 564SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 565 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 566SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 567 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 568SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 569 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 570SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 571 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 572SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 573 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 574SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 575 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 576SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 577 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 578