in6_proto.c revision 183550
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 183550 2008-10-02 15:37:58Z zec $"); 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#include <sys/vimage.h> 84 85#include <net/if.h> 86#include <net/radix.h> 87#include <net/route.h> 88#ifdef RADIX_MPATH 89#include <net/radix_mpath.h> 90#endif 91 92#include <netinet/in.h> 93#include <netinet/in_systm.h> 94#include <netinet/in_var.h> 95#include <netinet/ip_encap.h> 96#include <netinet/ip.h> 97#include <netinet/ip_var.h> 98#include <netinet/ip6.h> 99#include <netinet6/ip6_var.h> 100#include <netinet/icmp6.h> 101 102#include <netinet/tcp.h> 103#include <netinet/tcp_timer.h> 104#include <netinet/tcp_var.h> 105#include <netinet/udp.h> 106#include <netinet/udp_var.h> 107#include <netinet6/tcp6_var.h> 108#include <netinet6/raw_ip6.h> 109#include <netinet6/udp6_var.h> 110#include <netinet6/pim6_var.h> 111#include <netinet6/nd6.h> 112 113#ifdef DEV_CARP 114#include <netinet/ip_carp.h> 115#endif 116 117#ifdef SCTP 118#include <netinet/in_pcb.h> 119#include <netinet/sctp_pcb.h> 120#include <netinet/sctp.h> 121#include <netinet/sctp_var.h> 122#include <netinet6/sctp6_var.h> 123#endif /* SCTP */ 124 125#ifdef IPSEC 126#include <netipsec/ipsec.h> 127#include <netipsec/ipsec6.h> 128#endif /* IPSEC */ 129 130#include <netinet6/ip6protosw.h> 131 132/* 133 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 134 */ 135 136extern struct domain inet6domain; 137static struct pr_usrreqs nousrreqs; 138 139#define PR_LISTEN 0 140#define PR_ABRTACPTDIS 0 141 142struct ip6protosw inet6sw[] = { 143{ 144 .pr_type = 0, 145 .pr_domain = &inet6domain, 146 .pr_protocol = IPPROTO_IPV6, 147 .pr_init = ip6_init, 148 .pr_slowtimo = frag6_slowtimo, 149 .pr_drain = frag6_drain, 150 .pr_usrreqs = &nousrreqs, 151}, 152{ 153 .pr_type = SOCK_DGRAM, 154 .pr_domain = &inet6domain, 155 .pr_protocol = IPPROTO_UDP, 156 .pr_flags = PR_ATOMIC|PR_ADDR, 157 .pr_input = udp6_input, 158 .pr_ctlinput = udp6_ctlinput, 159 .pr_ctloutput = ip6_ctloutput, 160 .pr_usrreqs = &udp6_usrreqs, 161}, 162{ 163 .pr_type = SOCK_STREAM, 164 .pr_domain = &inet6domain, 165 .pr_protocol = IPPROTO_TCP, 166 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 167 .pr_input = tcp6_input, 168 .pr_ctlinput = tcp6_ctlinput, 169 .pr_ctloutput = tcp_ctloutput, 170#ifndef INET /* don't call initialization and timeout routines twice */ 171 .pr_init = tcp_init, 172 .pr_fasttimo = tcp_fasttimo, 173 .pr_slowtimo = tcp_slowtimo, 174#endif 175 .pr_drain = tcp_drain, 176 .pr_usrreqs = &tcp6_usrreqs, 177}, 178#ifdef SCTP 179{ 180 .pr_type = SOCK_DGRAM, 181 .pr_domain = &inet6domain, 182 .pr_protocol = IPPROTO_SCTP, 183 .pr_flags = PR_WANTRCVD, 184 .pr_input = sctp6_input, 185 .pr_ctlinput = sctp6_ctlinput, 186 .pr_ctloutput = sctp_ctloutput, 187 .pr_drain = sctp_drain, 188 .pr_usrreqs = &sctp6_usrreqs 189}, 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 .pr_usrreqs = &sctp6_usrreqs 200}, 201 202{ 203 .pr_type = SOCK_STREAM, 204 .pr_domain = &inet6domain, 205 .pr_protocol = IPPROTO_SCTP, 206 .pr_flags = PR_WANTRCVD, 207 .pr_input = sctp6_input, 208 .pr_ctlinput = sctp6_ctlinput, 209 .pr_ctloutput = sctp_ctloutput, 210 .pr_drain = sctp_drain, 211 .pr_usrreqs = &sctp6_usrreqs 212}, 213#endif /* SCTP */ 214{ 215 .pr_type = SOCK_RAW, 216 .pr_domain = &inet6domain, 217 .pr_protocol = IPPROTO_RAW, 218 .pr_flags = PR_ATOMIC|PR_ADDR, 219 .pr_input = rip6_input, 220 .pr_output = rip6_output, 221 .pr_ctlinput = rip6_ctlinput, 222 .pr_ctloutput = rip6_ctloutput, 223 .pr_usrreqs = &rip6_usrreqs 224}, 225{ 226 .pr_type = SOCK_RAW, 227 .pr_domain = &inet6domain, 228 .pr_protocol = IPPROTO_ICMPV6, 229 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 230 .pr_input = icmp6_input, 231 .pr_output = rip6_output, 232 .pr_ctlinput = rip6_ctlinput, 233 .pr_ctloutput = rip6_ctloutput, 234 .pr_init = icmp6_init, 235 .pr_fasttimo = icmp6_fasttimo, 236 .pr_usrreqs = &rip6_usrreqs 237}, 238{ 239 .pr_type = SOCK_RAW, 240 .pr_domain = &inet6domain, 241 .pr_protocol = IPPROTO_DSTOPTS, 242 .pr_flags = PR_ATOMIC|PR_ADDR, 243 .pr_input = dest6_input, 244 .pr_usrreqs = &nousrreqs 245}, 246{ 247 .pr_type = SOCK_RAW, 248 .pr_domain = &inet6domain, 249 .pr_protocol = IPPROTO_ROUTING, 250 .pr_flags = PR_ATOMIC|PR_ADDR, 251 .pr_input = route6_input, 252 .pr_usrreqs = &nousrreqs 253}, 254{ 255 .pr_type = SOCK_RAW, 256 .pr_domain = &inet6domain, 257 .pr_protocol = IPPROTO_FRAGMENT, 258 .pr_flags = PR_ATOMIC|PR_ADDR, 259 .pr_input = frag6_input, 260 .pr_usrreqs = &nousrreqs 261}, 262#ifdef IPSEC 263{ 264 .pr_type = SOCK_RAW, 265 .pr_domain = &inet6domain, 266 .pr_protocol = IPPROTO_AH, 267 .pr_flags = PR_ATOMIC|PR_ADDR, 268 .pr_input = ipsec6_common_input, 269 .pr_usrreqs = &nousrreqs, 270}, 271{ 272 .pr_type = SOCK_RAW, 273 .pr_domain = &inet6domain, 274 .pr_protocol = IPPROTO_ESP, 275 .pr_flags = PR_ATOMIC|PR_ADDR, 276 .pr_input = ipsec6_common_input, 277 .pr_ctlinput = esp6_ctlinput, 278 .pr_usrreqs = &nousrreqs, 279}, 280{ 281 .pr_type = SOCK_RAW, 282 .pr_domain = &inet6domain, 283 .pr_protocol = IPPROTO_IPCOMP, 284 .pr_flags = PR_ATOMIC|PR_ADDR, 285 .pr_input = ipsec6_common_input, 286 .pr_usrreqs = &nousrreqs, 287}, 288#endif /* IPSEC */ 289#ifdef INET 290{ 291 .pr_type = SOCK_RAW, 292 .pr_domain = &inet6domain, 293 .pr_protocol = IPPROTO_IPV4, 294 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 295 .pr_input = encap6_input, 296 .pr_output = rip6_output, 297 .pr_ctloutput = rip6_ctloutput, 298 .pr_init = encap_init, 299 .pr_usrreqs = &rip6_usrreqs 300}, 301#endif /* INET */ 302{ 303 .pr_type = SOCK_RAW, 304 .pr_domain = &inet6domain, 305 .pr_protocol = IPPROTO_IPV6, 306 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 307 .pr_input = encap6_input, 308 .pr_output = rip6_output, 309 .pr_ctloutput = rip6_ctloutput, 310 .pr_init = encap_init, 311 .pr_usrreqs = &rip6_usrreqs 312}, 313{ 314 .pr_type = SOCK_RAW, 315 .pr_domain = &inet6domain, 316 .pr_protocol = IPPROTO_PIM, 317 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 318 .pr_input = encap6_input, 319 .pr_output = rip6_output, 320 .pr_ctloutput = rip6_ctloutput, 321 .pr_usrreqs = &rip6_usrreqs 322}, 323#ifdef DEV_CARP 324{ 325 .pr_type = SOCK_RAW, 326 .pr_domain = &inet6domain, 327 .pr_protocol = IPPROTO_CARP, 328 .pr_flags = PR_ATOMIC|PR_ADDR, 329 .pr_input = carp6_input, 330 .pr_output = rip6_output, 331 .pr_ctloutput = rip6_ctloutput, 332 .pr_usrreqs = &rip6_usrreqs 333}, 334#endif /* DEV_CARP */ 335/* raw wildcard */ 336{ 337 .pr_type = SOCK_RAW, 338 .pr_domain = &inet6domain, 339 .pr_flags = PR_ATOMIC|PR_ADDR, 340 .pr_input = rip6_input, 341 .pr_output = rip6_output, 342 .pr_ctloutput = rip6_ctloutput, 343 .pr_usrreqs = &rip6_usrreqs 344}, 345}; 346 347extern int in6_inithead(void **, int); 348 349struct domain inet6domain = { 350 .dom_family = AF_INET6, 351 .dom_name = "internet6", 352 .dom_protosw = (struct protosw *)inet6sw, 353 .dom_protoswNPROTOSW = (struct protosw *) 354 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 355#ifdef RADIX_MPATH 356 .dom_rtattach = rn6_mpath_inithead, 357#else 358 .dom_rtattach = in6_inithead, 359#endif 360 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 361 .dom_maxrtkey = sizeof(struct sockaddr_in6), 362 .dom_ifattach = in6_domifattach, 363 .dom_ifdetach = in6_domifdetach 364}; 365 366DOMAIN_SET(inet6); 367 368/* 369 * Internet configuration info 370 */ 371#ifndef IPV6FORWARDING 372#ifdef GATEWAY6 373#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 374#else 375#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 376#endif /* GATEWAY6 */ 377#endif /* !IPV6FORWARDING */ 378 379#ifndef IPV6_SENDREDIRECTS 380#define IPV6_SENDREDIRECTS 1 381#endif 382 383int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 384int ip6_sendredirects = IPV6_SENDREDIRECTS; 385int ip6_defhlim = IPV6_DEFHLIM; 386int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 387int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 388int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 389int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 390int ip6_log_interval = 5; 391int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 392int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 393int ip6_auto_flowlabel = 1; 394int ip6_gif_hlim = 0; 395int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 396int ip6_rr_prune = 5; /* router renumbering prefix 397 * walk list every 5 sec. */ 398int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 399int ip6_v6only = 1; 400 401int ip6_keepfaith = 0; 402time_t ip6_log_time = (time_t)0L; 403#ifdef IPSTEALTH 404int ip6stealth = 0; 405#endif 406int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */ 407 408/* icmp6 */ 409/* 410 * BSDI4 defines these variables in in_proto.c... 411 * XXX: what if we don't define INET? Should we define pmtu6_expire 412 * or so? (jinmei@kame.net 19990310) 413 */ 414int pmtu_expire = 60*10; 415int pmtu_probe = 60*2; 416 417/* raw IP6 parameters */ 418/* 419 * Nominal space allocated to a raw ip socket. 420 */ 421#define RIPV6SNDQ 8192 422#define RIPV6RCVQ 8192 423 424u_long rip6_sendspace = RIPV6SNDQ; 425u_long rip6_recvspace = RIPV6RCVQ; 426 427/* ICMPV6 parameters */ 428int icmp6_rediraccept = 1; /* accept and process redirects */ 429int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 430int icmp6errppslim = 100; /* 100pps */ 431/* control how to respond to NI queries */ 432int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 433 434/* UDP on IP6 parameters */ 435int udp6_sendspace = 9216; /* really max datagram size */ 436int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 437 /* 40 1K datagrams */ 438 439/* 440 * sysctl related items. 441 */ 442SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 443 "Internet6 Family"); 444 445/* net.inet6 */ 446SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 447SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 448SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 449SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 450#ifdef SCTP 451SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 452#endif 453#ifdef IPSEC 454SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 455#endif /* IPSEC */ 456 457/* net.inet6.ip6 */ 458static int 459sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 460{ 461 INIT_VNET_INET6(curvnet); 462 int error = 0; 463 int old; 464 465 error = SYSCTL_OUT(req, arg1, sizeof(int)); 466 if (error || !req->newptr) 467 return (error); 468 old = V_ip6_temp_preferred_lifetime; 469 error = SYSCTL_IN(req, arg1, sizeof(int)); 470 if (V_ip6_temp_preferred_lifetime < 471 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 472 V_ip6_temp_preferred_lifetime = old; 473 return (EINVAL); 474 } 475 return (error); 476} 477 478static int 479sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 480{ 481 INIT_VNET_INET6(curvnet); 482 int error = 0; 483 int old; 484 485 error = SYSCTL_OUT(req, arg1, sizeof(int)); 486 if (error || !req->newptr) 487 return (error); 488 old = V_ip6_temp_valid_lifetime; 489 error = SYSCTL_IN(req, arg1, sizeof(int)); 490 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 491 V_ip6_temp_preferred_lifetime = old; 492 return (EINVAL); 493 } 494 return (error); 495} 496 497SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING, 498 forwarding, CTLFLAG_RW, ip6_forwarding, 0, ""); 499SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 500 redirect, CTLFLAG_RW, ip6_sendredirects, 0, ""); 501SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM, 502 hlim, CTLFLAG_RW, ip6_defhlim, 0, ""); 503SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats, 504 CTLFLAG_RD, ip6stat, ip6stat, ""); 505SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 506 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, ""); 507SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 508 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, ""); 509SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH, 510 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, ""); 511SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 512 log_interval, CTLFLAG_RW, ip6_log_interval, 0, ""); 513SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 514 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, ""); 515SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT, 516 dad_count, CTLFLAG_RW, ip6_dad_count, 0, ""); 517SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 518 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, ""); 519SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 520 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, ""); 521SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 522 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 523SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 524 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, ""); 525SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE, 526 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, ""); 527SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR, 528 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, ""); 529SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 530 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0, 531 sysctl_ip6_temppltime, "I", ""); 532SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 533 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0, 534 sysctl_ip6_tempvltime, "I", ""); 535SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY, 536 v6only, CTLFLAG_RW, ip6_v6only, 0, ""); 537#ifndef VIMAGE 538TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 539#endif 540SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 541 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, ""); 542SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS, 543 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, ""); 544SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 545 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, ""); 546SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 547 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,""); 548SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS, 549 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, ""); 550SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU, 551 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, ""); 552#ifdef IPSTEALTH 553SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH, 554 stealth, CTLFLAG_RW, ip6stealth, 0, ""); 555#endif 556 557/* net.inet6.icmp6 */ 558SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 559 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, ""); 560SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 561 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, ""); 562SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS, 563 stats, CTLFLAG_RD, icmp6stat, icmp6stat, ""); 564SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 565 nd6_prune, CTLFLAG_RW, nd6_prune, 0, ""); 566SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 567 nd6_delay, CTLFLAG_RW, nd6_delay, 0, ""); 568SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 569 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, ""); 570SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 571 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, ""); 572SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 573 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, ""); 574SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO, 575 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, ""); 576SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 577 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, ""); 578SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 579 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, ""); 580SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 581 nd6_debug, CTLFLAG_RW, nd6_debug, 0, ""); 582 583SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 584 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0, 585 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 586