in6_proto.c revision 265946
12470Scsgr/*- 22470Scsgr * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 32470Scsgr * All rights reserved. 42470Scsgr * 52470Scsgr * Redistribution and use in source and binary forms, with or without 62470Scsgr * modification, are permitted provided that the following conditions 72470Scsgr * are met: 82470Scsgr * 1. Redistributions of source code must retain the above copyright 92470Scsgr * notice, this list of conditions and the following disclaimer. 102470Scsgr * 2. Redistributions in binary form must reproduce the above copyright 112470Scsgr * notice, this list of conditions and the following disclaimer in the 122470Scsgr * documentation and/or other materials provided with the distribution. 132470Scsgr * 3. Neither the name of the project nor the names of its contributors 142470Scsgr * may be used to endorse or promote products derived from this software 152470Scsgr * without specific prior written permission. 162470Scsgr * 172470Scsgr * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 182470Scsgr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 192470Scsgr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 202470Scsgr * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 212470Scsgr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 222470Scsgr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 232470Scsgr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 242470Scsgr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 252470Scsgr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 262470Scsgr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 272470Scsgr * SUCH DAMAGE. 282470Scsgr * 292470Scsgr * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ 302470Scsgr */ 312470Scsgr 322470Scsgr/*- 332470Scsgr * Copyright (c) 1982, 1986, 1993 342470Scsgr * The Regents of the University of California. All rights reserved. 352470Scsgr * 362470Scsgr * Redistribution and use in source and binary forms, with or without 372470Scsgr * modification, are permitted provided that the following conditions 382470Scsgr * are met: 392470Scsgr * 1. Redistributions of source code must retain the above copyright 402470Scsgr * notice, this list of conditions and the following disclaimer. 412470Scsgr * 2. Redistributions in binary form must reproduce the above copyright 422470Scsgr * notice, this list of conditions and the following disclaimer in the 432470Scsgr * documentation and/or other materials provided with the distribution. 442470Scsgr * 4. Neither the name of the University nor the names of its contributors 452470Scsgr * may be used to endorse or promote products derived from this software 462470Scsgr * without specific prior written permission. 472470Scsgr * 482470Scsgr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 492470Scsgr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 502470Scsgr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 512470Scsgr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 522470Scsgr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 532470Scsgr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 542470Scsgr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 552470Scsgr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 562470Scsgr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 572470Scsgr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 582470Scsgr * SUCH DAMAGE. 592470Scsgr * 602470Scsgr * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 612470Scsgr */ 622470Scsgr 632470Scsgr#include <sys/cdefs.h> 642470Scsgr__FBSDID("$FreeBSD: stable/10/sys/netinet6/in6_proto.c 265946 2014-05-13 06:05:53Z kevlo $"); 652470Scsgr 662470Scsgr#include "opt_inet.h" 672470Scsgr#include "opt_inet6.h" 682470Scsgr#include "opt_ipsec.h" 692470Scsgr#include "opt_ipstealth.h" 702470Scsgr#include "opt_sctp.h" 712470Scsgr#include "opt_mpath.h" 722470Scsgr#include "opt_route.h" 732470Scsgr 742470Scsgr#include <sys/param.h> 752470Scsgr#include <sys/socket.h> 762470Scsgr#include <sys/socketvar.h> 772470Scsgr#include <sys/proc.h> 782470Scsgr#include <sys/protosw.h> 792470Scsgr#include <sys/jail.h> 802470Scsgr#include <sys/kernel.h> 812470Scsgr#include <sys/domain.h> 822470Scsgr#include <sys/mbuf.h> 832470Scsgr#include <sys/systm.h> 842470Scsgr#include <sys/sysctl.h> 852470Scsgr 862470Scsgr#include <net/if.h> 872470Scsgr#include <net/radix.h> 882470Scsgr#include <net/route.h> 892470Scsgr#ifdef RADIX_MPATH 902470Scsgr#include <net/radix_mpath.h> 912470Scsgr#endif 922470Scsgr 932470Scsgr#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 SCTP 115#include <netinet/in_pcb.h> 116#include <netinet/sctp_pcb.h> 117#include <netinet/sctp.h> 118#include <netinet/sctp_var.h> 119#include <netinet6/sctp6_var.h> 120#endif /* SCTP */ 121 122#ifdef IPSEC 123#include <netipsec/ipsec.h> 124#include <netipsec/ipsec6.h> 125#endif /* IPSEC */ 126 127#include <netinet6/ip6protosw.h> 128 129/* 130 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 131 */ 132FEATURE(inet6, "Internet Protocol version 6"); 133 134extern struct domain inet6domain; 135static struct pr_usrreqs nousrreqs; 136 137#define PR_LISTEN 0 138#define PR_ABRTACPTDIS 0 139 140/* Spacer for loadable protocols. */ 141#define IP6PROTOSPACER \ 142{ \ 143 .pr_domain = &inet6domain, \ 144 .pr_protocol = PROTO_SPACER, \ 145 .pr_usrreqs = &nousrreqs \ 146} 147 148struct ip6protosw inet6sw[] = { 149{ 150 .pr_type = 0, 151 .pr_domain = &inet6domain, 152 .pr_protocol = IPPROTO_IPV6, 153 .pr_init = ip6_init, 154#ifdef VIMAGE 155 .pr_destroy = ip6_destroy, 156#endif 157 .pr_slowtimo = frag6_slowtimo, 158 .pr_drain = frag6_drain, 159 .pr_usrreqs = &nousrreqs, 160}, 161{ 162 .pr_type = SOCK_DGRAM, 163 .pr_domain = &inet6domain, 164 .pr_protocol = IPPROTO_UDP, 165 .pr_flags = PR_ATOMIC|PR_ADDR, 166 .pr_input = udp6_input, 167 .pr_ctlinput = udp6_ctlinput, 168 .pr_ctloutput = ip6_ctloutput, 169#ifndef INET /* Do not call initialization twice. */ 170 .pr_init = udp_init, 171#endif 172 .pr_usrreqs = &udp6_usrreqs, 173}, 174{ 175 .pr_type = SOCK_STREAM, 176 .pr_domain = &inet6domain, 177 .pr_protocol = IPPROTO_TCP, 178 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 179 .pr_input = tcp6_input, 180 .pr_ctlinput = tcp6_ctlinput, 181 .pr_ctloutput = tcp_ctloutput, 182#ifndef INET /* don't call initialization and timeout routines twice */ 183 .pr_init = tcp_init, 184 .pr_slowtimo = tcp_slowtimo, 185#endif 186 .pr_drain = tcp_drain, 187 .pr_usrreqs = &tcp6_usrreqs, 188}, 189#ifdef SCTP 190{ 191 .pr_type = SOCK_SEQPACKET, 192 .pr_domain = &inet6domain, 193 .pr_protocol = IPPROTO_SCTP, 194 .pr_flags = PR_WANTRCVD, 195 .pr_input = sctp6_input, 196 .pr_ctlinput = sctp6_ctlinput, 197 .pr_ctloutput = sctp_ctloutput, 198 .pr_drain = sctp_drain, 199#ifndef INET /* Do not call initialization twice. */ 200 .pr_init = sctp_init, 201#endif 202 .pr_usrreqs = &sctp6_usrreqs 203}, 204{ 205 .pr_type = SOCK_STREAM, 206 .pr_domain = &inet6domain, 207 .pr_protocol = IPPROTO_SCTP, 208 .pr_flags = PR_WANTRCVD, 209 .pr_input = sctp6_input, 210 .pr_ctlinput = sctp6_ctlinput, 211 .pr_ctloutput = sctp_ctloutput, 212 .pr_drain = sctp_drain, 213 .pr_usrreqs = &sctp6_usrreqs 214}, 215#endif /* SCTP */ 216{ 217 .pr_type = SOCK_DGRAM, 218 .pr_domain = &inet6domain, 219 .pr_protocol = IPPROTO_UDPLITE, 220 .pr_flags = PR_ATOMIC|PR_ADDR, 221 .pr_input = udp6_input, 222 .pr_ctlinput = udplite6_ctlinput, 223 .pr_ctloutput = udp_ctloutput, 224#ifndef INET /* Do not call initialization twice. */ 225 .pr_init = udplite_init, 226#endif 227 .pr_usrreqs = &udp6_usrreqs, 228}, 229{ 230 .pr_type = SOCK_RAW, 231 .pr_domain = &inet6domain, 232 .pr_protocol = IPPROTO_RAW, 233 .pr_flags = PR_ATOMIC|PR_ADDR, 234 .pr_input = rip6_input, 235 .pr_output = rip6_output, 236 .pr_ctlinput = rip6_ctlinput, 237 .pr_ctloutput = rip6_ctloutput, 238#ifndef INET /* Do not call initialization twice. */ 239 .pr_init = rip_init, 240#endif 241 .pr_usrreqs = &rip6_usrreqs 242}, 243{ 244 .pr_type = SOCK_RAW, 245 .pr_domain = &inet6domain, 246 .pr_protocol = IPPROTO_ICMPV6, 247 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 248 .pr_input = icmp6_input, 249 .pr_output = rip6_output, 250 .pr_ctlinput = rip6_ctlinput, 251 .pr_ctloutput = rip6_ctloutput, 252 .pr_fasttimo = icmp6_fasttimo, 253 .pr_slowtimo = icmp6_slowtimo, 254 .pr_usrreqs = &rip6_usrreqs 255}, 256{ 257 .pr_type = SOCK_RAW, 258 .pr_domain = &inet6domain, 259 .pr_protocol = IPPROTO_DSTOPTS, 260 .pr_flags = PR_ATOMIC|PR_ADDR, 261 .pr_input = dest6_input, 262 .pr_usrreqs = &nousrreqs 263}, 264{ 265 .pr_type = SOCK_RAW, 266 .pr_domain = &inet6domain, 267 .pr_protocol = IPPROTO_ROUTING, 268 .pr_flags = PR_ATOMIC|PR_ADDR, 269 .pr_input = route6_input, 270 .pr_usrreqs = &nousrreqs 271}, 272{ 273 .pr_type = SOCK_RAW, 274 .pr_domain = &inet6domain, 275 .pr_protocol = IPPROTO_FRAGMENT, 276 .pr_flags = PR_ATOMIC|PR_ADDR, 277 .pr_input = frag6_input, 278 .pr_usrreqs = &nousrreqs 279}, 280#ifdef IPSEC 281{ 282 .pr_type = SOCK_RAW, 283 .pr_domain = &inet6domain, 284 .pr_protocol = IPPROTO_AH, 285 .pr_flags = PR_ATOMIC|PR_ADDR, 286 .pr_input = ipsec6_common_input, 287 .pr_usrreqs = &nousrreqs, 288}, 289{ 290 .pr_type = SOCK_RAW, 291 .pr_domain = &inet6domain, 292 .pr_protocol = IPPROTO_ESP, 293 .pr_flags = PR_ATOMIC|PR_ADDR, 294 .pr_input = ipsec6_common_input, 295 .pr_ctlinput = esp6_ctlinput, 296 .pr_usrreqs = &nousrreqs, 297}, 298{ 299 .pr_type = SOCK_RAW, 300 .pr_domain = &inet6domain, 301 .pr_protocol = IPPROTO_IPCOMP, 302 .pr_flags = PR_ATOMIC|PR_ADDR, 303 .pr_input = ipsec6_common_input, 304 .pr_usrreqs = &nousrreqs, 305}, 306#endif /* IPSEC */ 307#ifdef INET 308{ 309 .pr_type = SOCK_RAW, 310 .pr_domain = &inet6domain, 311 .pr_protocol = IPPROTO_IPV4, 312 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 313 .pr_input = encap6_input, 314 .pr_output = rip6_output, 315 .pr_ctloutput = rip6_ctloutput, 316 .pr_init = encap_init, 317 .pr_usrreqs = &rip6_usrreqs 318}, 319#endif /* INET */ 320{ 321 .pr_type = SOCK_RAW, 322 .pr_domain = &inet6domain, 323 .pr_protocol = IPPROTO_IPV6, 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_init = encap_init, 329 .pr_usrreqs = &rip6_usrreqs 330}, 331{ 332 .pr_type = SOCK_RAW, 333 .pr_domain = &inet6domain, 334 .pr_protocol = IPPROTO_PIM, 335 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 336 .pr_input = encap6_input, 337 .pr_output = rip6_output, 338 .pr_ctloutput = rip6_ctloutput, 339 .pr_usrreqs = &rip6_usrreqs 340}, 341/* Spacer n-times for loadable protocols. */ 342IP6PROTOSPACER, 343IP6PROTOSPACER, 344IP6PROTOSPACER, 345IP6PROTOSPACER, 346IP6PROTOSPACER, 347IP6PROTOSPACER, 348IP6PROTOSPACER, 349IP6PROTOSPACER, 350/* raw wildcard */ 351{ 352 .pr_type = SOCK_RAW, 353 .pr_domain = &inet6domain, 354 .pr_flags = PR_ATOMIC|PR_ADDR, 355 .pr_input = rip6_input, 356 .pr_output = rip6_output, 357 .pr_ctloutput = rip6_ctloutput, 358 .pr_usrreqs = &rip6_usrreqs 359}, 360}; 361 362extern int in6_inithead(void **, int); 363#ifdef VIMAGE 364extern int in6_detachhead(void **, int); 365#endif 366 367struct domain inet6domain = { 368 .dom_family = AF_INET6, 369 .dom_name = "internet6", 370 .dom_protosw = (struct protosw *)inet6sw, 371 .dom_protoswNPROTOSW = (struct protosw *) 372 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 373#ifdef RADIX_MPATH 374 .dom_rtattach = rn6_mpath_inithead, 375#else 376 .dom_rtattach = in6_inithead, 377#endif 378#ifdef VIMAGE 379 .dom_rtdetach = in6_detachhead, 380#endif 381 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 382 .dom_maxrtkey = sizeof(struct sockaddr_in6), 383 .dom_ifattach = in6_domifattach, 384 .dom_ifdetach = in6_domifdetach 385}; 386 387VNET_DOMAIN_SET(inet6); 388 389/* 390 * Internet configuration info 391 */ 392#ifndef IPV6FORWARDING 393#ifdef GATEWAY6 394#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 395#else 396#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 397#endif /* GATEWAY6 */ 398#endif /* !IPV6FORWARDING */ 399 400#ifndef IPV6_SENDREDIRECTS 401#define IPV6_SENDREDIRECTS 1 402#endif 403 404VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 405VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 406VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 407VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 408VNET_DEFINE(int, ip6_accept_rtadv) = 0; 409VNET_DEFINE(int, ip6_no_radr) = 0; 410VNET_DEFINE(int, ip6_norbit_raif) = 0; 411VNET_DEFINE(int, ip6_rfc6204w3) = 0; 412VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 413VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 414VNET_DEFINE(int, ip6_log_interval) = 5; 415VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 416 * process? */ 417VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 418VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 419VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 420 * (RFC2462 5.5.4) */ 421VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 422 * walk list every 5 sec. */ 423VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 424VNET_DEFINE(int, ip6_v6only) = 1; 425 426VNET_DEFINE(int, ip6_keepfaith) = 0; 427VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 428#ifdef IPSTEALTH 429VNET_DEFINE(int, ip6stealth) = 0; 430#endif 431VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 432 * (RFC 4861) */ 433 434/* icmp6 */ 435/* 436 * BSDI4 defines these variables in in_proto.c... 437 * XXX: what if we don't define INET? Should we define pmtu6_expire 438 * or so? (jinmei@kame.net 19990310) 439 */ 440VNET_DEFINE(int, pmtu_expire) = 60*10; 441VNET_DEFINE(int, pmtu_probe) = 60*2; 442 443/* ICMPV6 parameters */ 444VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 445VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 446VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 447/* control how to respond to NI queries */ 448VNET_DEFINE(int, icmp6_nodeinfo) = 449 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 450VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1; 451 452/* 453 * sysctl related items. 454 */ 455SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 456 "Internet6 Family"); 457 458/* net.inet6 */ 459SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 460SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 461SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 462SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 463#ifdef SCTP 464SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 465#endif 466#ifdef IPSEC 467SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 468#endif /* IPSEC */ 469 470/* net.inet6.ip6 */ 471static int 472sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 473{ 474 int error = 0; 475 int old; 476 477 VNET_SYSCTL_ARG(req, arg1); 478 479 error = SYSCTL_OUT(req, arg1, sizeof(int)); 480 if (error || !req->newptr) 481 return (error); 482 old = V_ip6_temp_preferred_lifetime; 483 error = SYSCTL_IN(req, arg1, sizeof(int)); 484 if (V_ip6_temp_preferred_lifetime < 485 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 486 V_ip6_temp_preferred_lifetime = old; 487 return (EINVAL); 488 } 489 return (error); 490} 491 492static int 493sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 494{ 495 int error = 0; 496 int old; 497 498 VNET_SYSCTL_ARG(req, arg1); 499 500 error = SYSCTL_OUT(req, arg1, sizeof(int)); 501 if (error || !req->newptr) 502 return (error); 503 old = V_ip6_temp_valid_lifetime; 504 error = SYSCTL_IN(req, arg1, sizeof(int)); 505 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 506 V_ip6_temp_preferred_lifetime = old; 507 return (EINVAL); 508 } 509 return (error); 510} 511 512SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 513 &VNET_NAME(ip6_forwarding), 0, ""); 514SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 515 &VNET_NAME(ip6_sendredirects), 0, ""); 516SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 517 &VNET_NAME(ip6_defhlim), 0, ""); 518SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat, 519 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)"); 520SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 521 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 522SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 523 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 524 "Default value of per-interface flag for accepting ICMPv6 Router" 525 "Advertisement messages"); 526SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 527 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, 528 "Default value of per-interface flag to control whether routers " 529 "sending ICMPv6 RA messages on that interface are added into the " 530 "default router list."); 531SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW, 532 &VNET_NAME(ip6_norbit_raif), 0, 533 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 534 " on the interface."); 535SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3, 536 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0, 537 "Accept the default router list from ICMPv6 RA messages even " 538 "when packet forwarding enabled."); 539SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 540 &VNET_NAME(ip6_keepfaith), 0, ""); 541SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 542 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 543SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 544 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 545SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 546 &VNET_NAME(ip6_dad_count), 0, ""); 547SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 548 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 549SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 550 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 551SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 552 CTLFLAG_RD, __KAME_VERSION, 0, ""); 553SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 554 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 555SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 556 &VNET_NAME(ip6_rr_prune), 0, ""); 557SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 558 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 559SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 560 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 561 sysctl_ip6_temppltime, "I", ""); 562SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 563 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 564 sysctl_ip6_tempvltime, "I", ""); 565SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 566 &VNET_NAME(ip6_v6only), 0, ""); 567SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 568 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 569 "Default value of per-interface flag for automatically adding an IPv6" 570 " link-local address to interfaces when attached"); 571SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, 572 struct rip6stat, rip6stat, 573 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)"); 574SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 575 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 576SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 577 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 578SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 579 &VNET_NAME(ip6_maxfrags), 0, ""); 580SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 581 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 582#ifdef IPSTEALTH 583SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 584 &VNET_NAME(ip6stealth), 0, ""); 585#endif 586 587/* net.inet6.icmp6 */ 588SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 589 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 590SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 591 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 592SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, 593 struct icmp6stat, icmp6stat, 594 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)"); 595SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 596 &VNET_NAME(nd6_prune), 0, ""); 597SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 598 &VNET_NAME(nd6_delay), 0, ""); 599SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 600 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 601SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 602 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 603SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 604 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 605SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 606 &VNET_NAME(icmp6_nodeinfo), 0, ""); 607SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX, 608 nodeinfo_oldmcprefix, CTLFLAG_RW, 609 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0, 610 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup" 611 " for compatibility with KAME implememtation."); 612SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 613 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 614SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 615 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 616SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 617 &VNET_NAME(nd6_debug), 0, ""); 618SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 619 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 620 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 621