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("$FreeBSD$"); 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 */ 136 137 extern struct domain inet6domain; 138 static struct pr_usrreqs nousrreqs; 139 140 #define PR_LISTEN 0 141 #define PR_ABRTACPTDIS 0 142 143 struct 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_slowtimo = tcp_slowtimo, 177 #endif 178 .pr_drain = tcp_drain, 179 .pr_usrreqs = &tcp6_usrreqs, 180 }, 181 #ifdef SCTP 182 { 183 .pr_type = SOCK_DGRAM, 184 .pr_domain = &inet6domain, 185 .pr_protocol = IPPROTO_SCTP, 186 .pr_flags = PR_WANTRCVD, 187 .pr_input = sctp6_input, 188 .pr_ctlinput = sctp6_ctlinput, 189 .pr_ctloutput = sctp_ctloutput, 190 .pr_drain = sctp_drain, 191 .pr_usrreqs = &sctp6_usrreqs 192 }, 193 { 194 .pr_type = SOCK_SEQPACKET, 195 .pr_domain = &inet6domain, 196 .pr_protocol = IPPROTO_SCTP, 197 .pr_flags = PR_WANTRCVD, 198 .pr_input = sctp6_input, 199 .pr_ctlinput = sctp6_ctlinput, 200 .pr_ctloutput = sctp_ctloutput, 201 .pr_drain = sctp_drain, 202 .pr_usrreqs = &sctp6_usrreqs 203 }, 204 205 { 206 .pr_type = SOCK_STREAM, 207 .pr_domain = &inet6domain, 208 .pr_protocol = IPPROTO_SCTP, 209 .pr_flags = PR_WANTRCVD, 210 .pr_input = sctp6_input, 211 .pr_ctlinput = sctp6_ctlinput, 212 .pr_ctloutput = sctp_ctloutput, 213 .pr_drain = sctp_drain, 214 .pr_usrreqs = &sctp6_usrreqs 215 }, 216 #endif /* SCTP */ 217 { 218 .pr_type = SOCK_RAW, 219 .pr_domain = &inet6domain, 220 .pr_protocol = IPPROTO_RAW, 221 .pr_flags = PR_ATOMIC|PR_ADDR, 222 .pr_input = rip6_input, 223 .pr_output = rip6_output, 224 .pr_ctlinput = rip6_ctlinput, 225 .pr_ctloutput = rip6_ctloutput, 226 .pr_usrreqs = &rip6_usrreqs 227 }, 228 { 229 .pr_type = SOCK_RAW, 230 .pr_domain = &inet6domain, 231 .pr_protocol = IPPROTO_ICMPV6, 232 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 233 .pr_input = icmp6_input, 234 .pr_output = rip6_output, 235 .pr_ctlinput = rip6_ctlinput, 236 .pr_ctloutput = rip6_ctloutput, 237 .pr_init = icmp6_init, 238 .pr_fasttimo = icmp6_fasttimo, 239 .pr_slowtimo = icmp6_slowtimo, 240 .pr_usrreqs = &rip6_usrreqs 241 }, 242 { 243 .pr_type = SOCK_RAW, 244 .pr_domain = &inet6domain, 245 .pr_protocol = IPPROTO_DSTOPTS, 246 .pr_flags = PR_ATOMIC|PR_ADDR, 247 .pr_input = dest6_input, 248 .pr_usrreqs = &nousrreqs 249 }, 250 { 251 .pr_type = SOCK_RAW, 252 .pr_domain = &inet6domain, 253 .pr_protocol = IPPROTO_ROUTING, 254 .pr_flags = PR_ATOMIC|PR_ADDR, 255 .pr_input = route6_input, 256 .pr_usrreqs = &nousrreqs 257 }, 258 { 259 .pr_type = SOCK_RAW, 260 .pr_domain = &inet6domain, 261 .pr_protocol = IPPROTO_FRAGMENT, 262 .pr_flags = PR_ATOMIC|PR_ADDR, 263 .pr_input = frag6_input, 264 .pr_usrreqs = &nousrreqs 265 }, 266 #ifdef IPSEC 267 { 268 .pr_type = SOCK_RAW, 269 .pr_domain = &inet6domain, 270 .pr_protocol = IPPROTO_AH, 271 .pr_flags = PR_ATOMIC|PR_ADDR, 272 .pr_input = ipsec6_common_input, 273 .pr_usrreqs = &nousrreqs, 274 }, 275 { 276 .pr_type = SOCK_RAW, 277 .pr_domain = &inet6domain, 278 .pr_protocol = IPPROTO_ESP, 279 .pr_flags = PR_ATOMIC|PR_ADDR, 280 .pr_input = ipsec6_common_input, 281 .pr_ctlinput = esp6_ctlinput, 282 .pr_usrreqs = &nousrreqs, 283 }, 284 { 285 .pr_type = SOCK_RAW, 286 .pr_domain = &inet6domain, 287 .pr_protocol = IPPROTO_IPCOMP, 288 .pr_flags = PR_ATOMIC|PR_ADDR, 289 .pr_input = ipsec6_common_input, 290 .pr_usrreqs = &nousrreqs, 291 }, 292 #endif /* IPSEC */ 293 #ifdef INET 294 { 295 .pr_type = SOCK_RAW, 296 .pr_domain = &inet6domain, 297 .pr_protocol = IPPROTO_IPV4, 298 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 299 .pr_input = encap6_input, 300 .pr_output = rip6_output, 301 .pr_ctloutput = rip6_ctloutput, 302 .pr_init = encap_init, 303 .pr_usrreqs = &rip6_usrreqs 304 }, 305 #endif /* INET */ 306 { 307 .pr_type = SOCK_RAW, 308 .pr_domain = &inet6domain, 309 .pr_protocol = IPPROTO_IPV6, 310 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 311 .pr_input = encap6_input, 312 .pr_output = rip6_output, 313 .pr_ctloutput = rip6_ctloutput, 314 .pr_init = encap_init, 315 .pr_usrreqs = &rip6_usrreqs 316 }, 317 { 318 .pr_type = SOCK_RAW, 319 .pr_domain = &inet6domain, 320 .pr_protocol = IPPROTO_PIM, 321 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 322 .pr_input = encap6_input, 323 .pr_output = rip6_output, 324 .pr_ctloutput = rip6_ctloutput, 325 .pr_usrreqs = &rip6_usrreqs 326 }, 327 #ifdef DEV_CARP 328 { 329 .pr_type = SOCK_RAW, 330 .pr_domain = &inet6domain, 331 .pr_protocol = IPPROTO_CARP, 332 .pr_flags = PR_ATOMIC|PR_ADDR, 333 .pr_input = carp6_input, 334 .pr_output = rip6_output, 335 .pr_ctloutput = rip6_ctloutput, 336 .pr_usrreqs = &rip6_usrreqs 337 }, 338 #endif /* DEV_CARP */ 339 /* raw wildcard */ 340 { 341 .pr_type = SOCK_RAW, 342 .pr_domain = &inet6domain, 343 .pr_flags = PR_ATOMIC|PR_ADDR, 344 .pr_input = rip6_input, 345 .pr_output = rip6_output, 346 .pr_ctloutput = rip6_ctloutput, 347 .pr_usrreqs = &rip6_usrreqs 348 }, 349 }; 350 351 extern int in6_inithead(void **, int); 352 #ifdef VIMAGE 353 extern int in6_detachhead(void **, int); 354 #endif 355 356 struct domain inet6domain = { 357 .dom_family = AF_INET6, 358 .dom_name = "internet6", 359 .dom_protosw = (struct protosw *)inet6sw, 360 .dom_protoswNPROTOSW = (struct protosw *) 361 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 362 #ifdef RADIX_MPATH 363 .dom_rtattach = rn6_mpath_inithead, 364 #else 365 .dom_rtattach = in6_inithead, 366 #endif 367 #ifdef VIMAGE 368 .dom_rtdetach = in6_detachhead, 369 #endif 370 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 371 .dom_maxrtkey = sizeof(struct sockaddr_in6), 372 .dom_ifattach = in6_domifattach, 373 .dom_ifdetach = in6_domifdetach 374 }; 375 376 VNET_DOMAIN_SET(inet6); 377 378 /* 379 * Internet configuration info 380 */ 381 VNET_DEFINE(int, ip6_forwarding); 382 VNET_DEFINE(int, ip6_sendredirects); 383 VNET_DEFINE(int, ip6_defhlim); 384 VNET_DEFINE(int, ip6_defmcasthlim); 385 VNET_DEFINE(int, ip6_accept_rtadv); 386 VNET_DEFINE(int, ip6_maxfragpackets); 387 VNET_DEFINE(int, ip6_maxfrags); 388 VNET_DEFINE(int, ip6_log_interval); 389 VNET_DEFINE(int, ip6_hdrnestlimit); 390 VNET_DEFINE(int, ip6_dad_count); 391 VNET_DEFINE(int, ip6_auto_flowlabel); 392 VNET_DEFINE(int, ip6_use_deprecated); 393 VNET_DEFINE(int, ip6_rr_prune); 394 VNET_DEFINE(int, ip6_mcast_pmtu); 395 VNET_DEFINE(int, ip6_v6only); 396 VNET_DEFINE(int, ip6_keepfaith); 397 VNET_DEFINE(time_t, ip6_log_time); 398 VNET_DEFINE(int, ip6stealth); 399 VNET_DEFINE(int, nd6_onlink_ns_rfc4861); 400 401 /* icmp6 */ 402 /* 403 * BSDI4 defines these variables in in_proto.c... 404 * XXX: what if we don't define INET? Should we define pmtu6_expire 405 * or so? (jinmei@kame.net 19990310) 406 */ 407 VNET_DEFINE(int, pmtu_expire); 408 VNET_DEFINE(int, pmtu_probe); 409 410 /* raw IP6 parameters */ 411 /* 412 * Nominal space allocated to a raw ip socket. 413 */ 414 VNET_DEFINE(u_long, rip6_sendspace); 415 VNET_DEFINE(u_long, rip6_recvspace); 416 417 /* ICMPV6 parameters */ 418 VNET_DEFINE(int, icmp6_rediraccept); 419 VNET_DEFINE(int, icmp6_redirtimeout); 420 VNET_DEFINE(int, icmp6errppslim); 421 /* control how to respond to NI queries */ 422 VNET_DEFINE(int, icmp6_nodeinfo); 423 424 /* UDP on IP6 parameters */ 425 VNET_DEFINE(int, udp6_sendspace); 426 VNET_DEFINE(int, udp6_recvspace); 427 428 /* 429 * sysctl related items. 430 */ 431 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 432 "Internet6 Family"); 433 434 /* net.inet6 */ 435 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 436 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 437 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 438 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 439 #ifdef SCTP 440 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 441 #endif 442 #ifdef IPSEC 443 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 444 #endif /* IPSEC */ 445 446 /* net.inet6.ip6 */ 447 static int 448 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 449 { 450 int error = 0; 451 int old; 452 453 VNET_SYSCTL_ARG(req, arg1); 454 455 error = SYSCTL_OUT(req, arg1, sizeof(int)); 456 if (error || !req->newptr) 457 return (error); 458 old = V_ip6_temp_preferred_lifetime; 459 error = SYSCTL_IN(req, arg1, sizeof(int)); 460 if (V_ip6_temp_preferred_lifetime < 461 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 462 V_ip6_temp_preferred_lifetime = old; 463 return (EINVAL); 464 } 465 return (error); 466 } 467 468 static int 469 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 470 { 471 int error = 0; 472 int old; 473 474 VNET_SYSCTL_ARG(req, arg1); 475 476 error = SYSCTL_OUT(req, arg1, sizeof(int)); 477 if (error || !req->newptr) 478 return (error); 479 old = V_ip6_temp_valid_lifetime; 480 error = SYSCTL_IN(req, arg1, sizeof(int)); 481 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 482 V_ip6_temp_preferred_lifetime = old; 483 return (EINVAL); 484 } 485 return (error); 486 } 487 488 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 489 &VNET_NAME(ip6_forwarding), 0, ""); 490 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 491 &VNET_NAME(ip6_sendredirects), 0, ""); 492 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 493 &VNET_NAME(ip6_defhlim), 0, ""); 494 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 495 &VNET_NAME(ip6stat), ip6stat, ""); 496 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 497 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 498 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 499 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 500 "Default value of per-interface flag for accepting ICMPv6 Router" 501 "Advertisement messages"); 502 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 503 &VNET_NAME(ip6_keepfaith), 0, ""); 504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 505 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 506 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 507 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 509 &VNET_NAME(ip6_dad_count), 0, ""); 510 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 511 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 512 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 513 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 514 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 515 CTLFLAG_RD, __KAME_VERSION, 0, ""); 516 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 517 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 518 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 519 &VNET_NAME(ip6_rr_prune), 0, ""); 520 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 521 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 522 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 523 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 524 sysctl_ip6_temppltime, "I", ""); 525 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 526 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 527 sysctl_ip6_tempvltime, "I", ""); 528 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 529 &VNET_NAME(ip6_v6only), 0, ""); 530 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 531 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 532 "Default value of per-interface flag for automatically adding an IPv6" 533 " link-local address to interfaces when attached"); 534 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 535 &VNET_NAME(rip6stat), rip6stat, ""); 536 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 537 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 538 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 539 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 540 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 541 &VNET_NAME(ip6_maxfrags), 0, ""); 542 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 543 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 544 #ifdef IPSTEALTH 545 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 546 &VNET_NAME(ip6stealth), 0, ""); 547 #endif 548 549 /* net.inet6.icmp6 */ 550 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 551 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 552 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 553 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 554 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 555 &VNET_NAME(icmp6stat), icmp6stat, ""); 556 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 557 &VNET_NAME(nd6_prune), 0, ""); 558 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 559 &VNET_NAME(nd6_delay), 0, ""); 560 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 561 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 562 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 563 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 564 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 565 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 566 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 567 &VNET_NAME(icmp6_nodeinfo), 0, ""); 568 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 569 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 570 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 571 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 572 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 573 &VNET_NAME(nd6_debug), 0, ""); 574 575 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 576 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 577 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 578