in6_proto.c revision 194368
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 194368 2009-06-17 15:01:01Z 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#include <sys/vimage.h> 86 87#include <net/if.h> 88#include <net/radix.h> 89#include <net/route.h> 90#ifdef RADIX_MPATH 91#include <net/radix_mpath.h> 92#endif 93 94#include <netinet/in.h> 95#include <netinet/in_systm.h> 96#include <netinet/in_var.h> 97#include <netinet/ip_encap.h> 98#include <netinet/ip.h> 99#include <netinet/ip_var.h> 100#include <netinet/ip6.h> 101#include <netinet6/ip6_var.h> 102#include <netinet/icmp6.h> 103 104#include <netinet/tcp.h> 105#include <netinet/tcp_timer.h> 106#include <netinet/tcp_var.h> 107#include <netinet/udp.h> 108#include <netinet/udp_var.h> 109#include <netinet6/tcp6_var.h> 110#include <netinet6/raw_ip6.h> 111#include <netinet6/udp6_var.h> 112#include <netinet6/pim6_var.h> 113#include <netinet6/nd6.h> 114 115#ifdef DEV_CARP 116#include <netinet/ip_carp.h> 117#endif 118 119#ifdef SCTP 120#include <netinet/in_pcb.h> 121#include <netinet/sctp_pcb.h> 122#include <netinet/sctp.h> 123#include <netinet/sctp_var.h> 124#include <netinet6/sctp6_var.h> 125#endif /* SCTP */ 126 127#ifdef IPSEC 128#include <netipsec/ipsec.h> 129#include <netipsec/ipsec6.h> 130#endif /* IPSEC */ 131 132#include <netinet6/ip6protosw.h> 133#include <netinet6/vinet6.h> 134 135/* 136 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 137 */ 138 139extern struct domain inet6domain; 140static struct pr_usrreqs nousrreqs; 141 142#define PR_LISTEN 0 143#define PR_ABRTACPTDIS 0 144 145struct ip6protosw inet6sw[] = { 146{ 147 .pr_type = 0, 148 .pr_domain = &inet6domain, 149 .pr_protocol = IPPROTO_IPV6, 150 .pr_init = ip6_init, 151#ifdef VIMAGE 152 .pr_destroy = ip6_destroy, 153#endif 154 .pr_slowtimo = frag6_slowtimo, 155 .pr_drain = frag6_drain, 156 .pr_usrreqs = &nousrreqs, 157}, 158{ 159 .pr_type = SOCK_DGRAM, 160 .pr_domain = &inet6domain, 161 .pr_protocol = IPPROTO_UDP, 162 .pr_flags = PR_ATOMIC|PR_ADDR, 163 .pr_input = udp6_input, 164 .pr_ctlinput = udp6_ctlinput, 165 .pr_ctloutput = ip6_ctloutput, 166 .pr_usrreqs = &udp6_usrreqs, 167}, 168{ 169 .pr_type = SOCK_STREAM, 170 .pr_domain = &inet6domain, 171 .pr_protocol = IPPROTO_TCP, 172 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 173 .pr_input = tcp6_input, 174 .pr_ctlinput = tcp6_ctlinput, 175 .pr_ctloutput = tcp_ctloutput, 176#ifndef INET /* don't call initialization and timeout routines twice */ 177 .pr_init = tcp_init, 178 .pr_fasttimo = tcp_fasttimo, 179 .pr_slowtimo = tcp_slowtimo, 180#endif 181 .pr_drain = tcp_drain, 182 .pr_usrreqs = &tcp6_usrreqs, 183}, 184#ifdef SCTP 185{ 186 .pr_type = SOCK_DGRAM, 187 .pr_domain = &inet6domain, 188 .pr_protocol = IPPROTO_SCTP, 189 .pr_flags = PR_WANTRCVD, 190 .pr_input = sctp6_input, 191 .pr_ctlinput = sctp6_ctlinput, 192 .pr_ctloutput = sctp_ctloutput, 193 .pr_drain = sctp_drain, 194 .pr_usrreqs = &sctp6_usrreqs 195}, 196{ 197 .pr_type = SOCK_SEQPACKET, 198 .pr_domain = &inet6domain, 199 .pr_protocol = IPPROTO_SCTP, 200 .pr_flags = PR_WANTRCVD, 201 .pr_input = sctp6_input, 202 .pr_ctlinput = sctp6_ctlinput, 203 .pr_ctloutput = sctp_ctloutput, 204 .pr_drain = sctp_drain, 205 .pr_usrreqs = &sctp6_usrreqs 206}, 207 208{ 209 .pr_type = SOCK_STREAM, 210 .pr_domain = &inet6domain, 211 .pr_protocol = IPPROTO_SCTP, 212 .pr_flags = PR_WANTRCVD, 213 .pr_input = sctp6_input, 214 .pr_ctlinput = sctp6_ctlinput, 215 .pr_ctloutput = sctp_ctloutput, 216 .pr_drain = sctp_drain, 217 .pr_usrreqs = &sctp6_usrreqs 218}, 219#endif /* SCTP */ 220{ 221 .pr_type = SOCK_RAW, 222 .pr_domain = &inet6domain, 223 .pr_protocol = IPPROTO_RAW, 224 .pr_flags = PR_ATOMIC|PR_ADDR, 225 .pr_input = rip6_input, 226 .pr_output = rip6_output, 227 .pr_ctlinput = rip6_ctlinput, 228 .pr_ctloutput = rip6_ctloutput, 229 .pr_usrreqs = &rip6_usrreqs 230}, 231{ 232 .pr_type = SOCK_RAW, 233 .pr_domain = &inet6domain, 234 .pr_protocol = IPPROTO_ICMPV6, 235 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 236 .pr_input = icmp6_input, 237 .pr_output = rip6_output, 238 .pr_ctlinput = rip6_ctlinput, 239 .pr_ctloutput = rip6_ctloutput, 240 .pr_init = icmp6_init, 241 .pr_fasttimo = icmp6_fasttimo, 242 .pr_slowtimo = icmp6_slowtimo, 243 .pr_usrreqs = &rip6_usrreqs 244}, 245{ 246 .pr_type = SOCK_RAW, 247 .pr_domain = &inet6domain, 248 .pr_protocol = IPPROTO_DSTOPTS, 249 .pr_flags = PR_ATOMIC|PR_ADDR, 250 .pr_input = dest6_input, 251 .pr_usrreqs = &nousrreqs 252}, 253{ 254 .pr_type = SOCK_RAW, 255 .pr_domain = &inet6domain, 256 .pr_protocol = IPPROTO_ROUTING, 257 .pr_flags = PR_ATOMIC|PR_ADDR, 258 .pr_input = route6_input, 259 .pr_usrreqs = &nousrreqs 260}, 261{ 262 .pr_type = SOCK_RAW, 263 .pr_domain = &inet6domain, 264 .pr_protocol = IPPROTO_FRAGMENT, 265 .pr_flags = PR_ATOMIC|PR_ADDR, 266 .pr_input = frag6_input, 267 .pr_usrreqs = &nousrreqs 268}, 269#ifdef IPSEC 270{ 271 .pr_type = SOCK_RAW, 272 .pr_domain = &inet6domain, 273 .pr_protocol = IPPROTO_AH, 274 .pr_flags = PR_ATOMIC|PR_ADDR, 275 .pr_input = ipsec6_common_input, 276 .pr_usrreqs = &nousrreqs, 277}, 278{ 279 .pr_type = SOCK_RAW, 280 .pr_domain = &inet6domain, 281 .pr_protocol = IPPROTO_ESP, 282 .pr_flags = PR_ATOMIC|PR_ADDR, 283 .pr_input = ipsec6_common_input, 284 .pr_ctlinput = esp6_ctlinput, 285 .pr_usrreqs = &nousrreqs, 286}, 287{ 288 .pr_type = SOCK_RAW, 289 .pr_domain = &inet6domain, 290 .pr_protocol = IPPROTO_IPCOMP, 291 .pr_flags = PR_ATOMIC|PR_ADDR, 292 .pr_input = ipsec6_common_input, 293 .pr_usrreqs = &nousrreqs, 294}, 295#endif /* IPSEC */ 296#ifdef INET 297{ 298 .pr_type = SOCK_RAW, 299 .pr_domain = &inet6domain, 300 .pr_protocol = IPPROTO_IPV4, 301 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 302 .pr_input = encap6_input, 303 .pr_output = rip6_output, 304 .pr_ctloutput = rip6_ctloutput, 305 .pr_init = encap_init, 306 .pr_usrreqs = &rip6_usrreqs 307}, 308#endif /* INET */ 309{ 310 .pr_type = SOCK_RAW, 311 .pr_domain = &inet6domain, 312 .pr_protocol = IPPROTO_IPV6, 313 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 314 .pr_input = encap6_input, 315 .pr_output = rip6_output, 316 .pr_ctloutput = rip6_ctloutput, 317 .pr_init = encap_init, 318 .pr_usrreqs = &rip6_usrreqs 319}, 320{ 321 .pr_type = SOCK_RAW, 322 .pr_domain = &inet6domain, 323 .pr_protocol = IPPROTO_PIM, 324 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 325 .pr_input = encap6_input, 326 .pr_output = rip6_output, 327 .pr_ctloutput = rip6_ctloutput, 328 .pr_usrreqs = &rip6_usrreqs 329}, 330#ifdef DEV_CARP 331{ 332 .pr_type = SOCK_RAW, 333 .pr_domain = &inet6domain, 334 .pr_protocol = IPPROTO_CARP, 335 .pr_flags = PR_ATOMIC|PR_ADDR, 336 .pr_input = carp6_input, 337 .pr_output = rip6_output, 338 .pr_ctloutput = rip6_ctloutput, 339 .pr_usrreqs = &rip6_usrreqs 340}, 341#endif /* DEV_CARP */ 342/* raw wildcard */ 343{ 344 .pr_type = SOCK_RAW, 345 .pr_domain = &inet6domain, 346 .pr_flags = PR_ATOMIC|PR_ADDR, 347 .pr_input = rip6_input, 348 .pr_output = rip6_output, 349 .pr_ctloutput = rip6_ctloutput, 350 .pr_usrreqs = &rip6_usrreqs 351}, 352}; 353 354extern int in6_inithead(void **, int); 355#ifdef VIMAGE 356extern int in6_detachhead(void **, int); 357#endif 358 359struct domain inet6domain = { 360 .dom_family = AF_INET6, 361 .dom_name = "internet6", 362 .dom_protosw = (struct protosw *)inet6sw, 363 .dom_protoswNPROTOSW = (struct protosw *) 364 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 365#ifdef RADIX_MPATH 366 .dom_rtattach = rn6_mpath_inithead, 367#else 368 .dom_rtattach = in6_inithead, 369#endif 370#ifdef VIMAGE 371 .dom_rtdetach = in6_detachhead, 372#endif 373 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 374 .dom_maxrtkey = sizeof(struct sockaddr_in6), 375 .dom_ifattach = in6_domifattach, 376 .dom_ifdetach = in6_domifdetach 377}; 378 379DOMAIN_SET(inet6); 380 381/* 382 * Internet configuration info 383 */ 384#ifdef VIMAGE_GLOBALS 385int ip6_forwarding; 386int ip6_sendredirects; 387int ip6_defhlim; 388int ip6_defmcasthlim; 389int ip6_accept_rtadv; 390int ip6_maxfragpackets; 391int ip6_maxfrags; 392int ip6_log_interval; 393int ip6_hdrnestlimit; 394int ip6_dad_count; 395int ip6_auto_flowlabel; 396int ip6_use_deprecated; 397int ip6_rr_prune; 398int ip6_mcast_pmtu; 399int ip6_v6only; 400int ip6_keepfaith; 401time_t ip6_log_time; 402int ip6stealth; 403int nd6_onlink_ns_rfc4861; 404 405/* icmp6 */ 406/* 407 * BSDI4 defines these variables in in_proto.c... 408 * XXX: what if we don't define INET? Should we define pmtu6_expire 409 * or so? (jinmei@kame.net 19990310) 410 */ 411int pmtu_expire; 412int pmtu_probe; 413 414/* raw IP6 parameters */ 415/* 416 * Nominal space allocated to a raw ip socket. 417 */ 418u_long rip6_sendspace; 419u_long rip6_recvspace; 420 421/* ICMPV6 parameters */ 422int icmp6_rediraccept; 423int icmp6_redirtimeout; 424int icmp6errppslim; 425/* control how to respond to NI queries */ 426int icmp6_nodeinfo; 427 428/* UDP on IP6 parameters */ 429int udp6_sendspace; 430int udp6_recvspace; 431#endif /* VIMAGE_GLOBALS */ 432 433/* 434 * sysctl related items. 435 */ 436SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 437 "Internet6 Family"); 438 439/* net.inet6 */ 440SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 441SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 442SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 443SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 444#ifdef SCTP 445SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 446#endif 447#ifdef IPSEC 448SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 449#endif /* IPSEC */ 450 451/* net.inet6.ip6 */ 452static int 453sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 454{ 455 INIT_VNET_INET6(curvnet); 456 int error = 0; 457 int old; 458 459 SYSCTL_RESOLVE_V_ARG1(); 460 461 error = SYSCTL_OUT(req, arg1, sizeof(int)); 462 if (error || !req->newptr) 463 return (error); 464 old = V_ip6_temp_preferred_lifetime; 465 error = SYSCTL_IN(req, arg1, sizeof(int)); 466 if (V_ip6_temp_preferred_lifetime < 467 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 468 V_ip6_temp_preferred_lifetime = old; 469 return (EINVAL); 470 } 471 return (error); 472} 473 474static int 475sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 476{ 477 INIT_VNET_INET6(curvnet); 478 int error = 0; 479 int old; 480 481 SYSCTL_RESOLVE_V_ARG1(); 482 483 error = SYSCTL_OUT(req, arg1, sizeof(int)); 484 if (error || !req->newptr) 485 return (error); 486 old = V_ip6_temp_valid_lifetime; 487 error = SYSCTL_IN(req, arg1, sizeof(int)); 488 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 489 V_ip6_temp_preferred_lifetime = old; 490 return (EINVAL); 491 } 492 return (error); 493} 494 495SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING, 496 forwarding, CTLFLAG_RW, ip6_forwarding, 0, ""); 497SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 498 redirect, CTLFLAG_RW, ip6_sendredirects, 0, ""); 499SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM, 500 hlim, CTLFLAG_RW, ip6_defhlim, 0, ""); 501SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats, 502 CTLFLAG_RD, ip6stat, ip6stat, ""); 503SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 504 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, ""); 505SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 506 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, ""); 507SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH, 508 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, ""); 509SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 510 log_interval, CTLFLAG_RW, ip6_log_interval, 0, ""); 511SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 512 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, ""); 513SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT, 514 dad_count, CTLFLAG_RW, ip6_dad_count, 0, ""); 515SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 516 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, ""); 517SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 518 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, ""); 519SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 520 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 521SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 522 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, ""); 523SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE, 524 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, ""); 525SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR, 526 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, ""); 527SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 528 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0, 529 sysctl_ip6_temppltime, "I", ""); 530SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 531 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0, 532 sysctl_ip6_tempvltime, "I", ""); 533SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY, 534 v6only, CTLFLAG_RW, ip6_v6only, 0, ""); 535SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 536 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, ""); 537SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS, 538 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, ""); 539SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 540 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, ""); 541SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 542 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,""); 543SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS, 544 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, ""); 545SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU, 546 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, ""); 547#ifdef IPSTEALTH 548SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH, 549 stealth, CTLFLAG_RW, ip6stealth, 0, ""); 550#endif 551 552/* net.inet6.icmp6 */ 553SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 554 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, ""); 555SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 556 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, ""); 557SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS, 558 stats, CTLFLAG_RD, icmp6stat, icmp6stat, ""); 559SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 560 nd6_prune, CTLFLAG_RW, nd6_prune, 0, ""); 561SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 562 nd6_delay, CTLFLAG_RW, nd6_delay, 0, ""); 563SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 564 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, ""); 565SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 566 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, ""); 567SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 568 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, ""); 569SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO, 570 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, ""); 571SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 572 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, ""); 573SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 574 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, ""); 575SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 576 nd6_debug, CTLFLAG_RW, nd6_debug, 0, ""); 577 578SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 579 nd6_onlink_ns_rfc4861, CTLFLAG_RW, nd6_onlink_ns_rfc4861, 0, 580 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 581