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/kernel.h> 80 #include <sys/domain.h> 81 #include <sys/mbuf.h> 82 #include <sys/systm.h> 83 #include <sys/sysctl.h> 84 #include <sys/vimage.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 #include <netinet6/vinet6.h> 133 134 /* 135 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 136 */ 137 138 extern struct domain inet6domain; 139 static struct pr_usrreqs nousrreqs; 140 141 #define PR_LISTEN 0 142 #define PR_ABRTACPTDIS 0 143 144 struct ip6protosw inet6sw[] = { 145 { 146 .pr_type = 0, 147 .pr_domain = &inet6domain, 148 .pr_protocol = IPPROTO_IPV6, 149 .pr_init = ip6_init, 150 .pr_slowtimo = frag6_slowtimo, 151 .pr_drain = frag6_drain, 152 .pr_usrreqs = &nousrreqs, 153 }, 154 { 155 .pr_type = SOCK_DGRAM, 156 .pr_domain = &inet6domain, 157 .pr_protocol = IPPROTO_UDP, 158 .pr_flags = PR_ATOMIC|PR_ADDR, 159 .pr_input = udp6_input, 160 .pr_ctlinput = udp6_ctlinput, 161 .pr_ctloutput = ip6_ctloutput, 162 .pr_usrreqs = &udp6_usrreqs, 163 }, 164 { 165 .pr_type = SOCK_STREAM, 166 .pr_domain = &inet6domain, 167 .pr_protocol = IPPROTO_TCP, 168 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 169 .pr_input = tcp6_input, 170 .pr_ctlinput = tcp6_ctlinput, 171 .pr_ctloutput = tcp_ctloutput, 172 #ifndef INET /* don't call initialization and timeout routines twice */ 173 .pr_init = tcp_init, 174 .pr_fasttimo = tcp_fasttimo, 175 .pr_slowtimo = tcp_slowtimo, 176 #endif 177 .pr_drain = tcp_drain, 178 .pr_usrreqs = &tcp6_usrreqs, 179 }, 180 #ifdef SCTP 181 { 182 .pr_type = SOCK_DGRAM, 183 .pr_domain = &inet6domain, 184 .pr_protocol = IPPROTO_SCTP, 185 .pr_flags = PR_WANTRCVD, 186 .pr_input = sctp6_input, 187 .pr_ctlinput = sctp6_ctlinput, 188 .pr_ctloutput = sctp_ctloutput, 189 .pr_drain = sctp_drain, 190 .pr_usrreqs = &sctp6_usrreqs 191 }, 192 { 193 .pr_type = SOCK_SEQPACKET, 194 .pr_domain = &inet6domain, 195 .pr_protocol = IPPROTO_SCTP, 196 .pr_flags = PR_WANTRCVD, 197 .pr_input = sctp6_input, 198 .pr_ctlinput = sctp6_ctlinput, 199 .pr_ctloutput = sctp_ctloutput, 200 .pr_drain = sctp_drain, 201 .pr_usrreqs = &sctp6_usrreqs 202 }, 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_RAW, 218 .pr_domain = &inet6domain, 219 .pr_protocol = IPPROTO_RAW, 220 .pr_flags = PR_ATOMIC|PR_ADDR, 221 .pr_input = rip6_input, 222 .pr_output = rip6_output, 223 .pr_ctlinput = rip6_ctlinput, 224 .pr_ctloutput = rip6_ctloutput, 225 .pr_usrreqs = &rip6_usrreqs 226 }, 227 { 228 .pr_type = SOCK_RAW, 229 .pr_domain = &inet6domain, 230 .pr_protocol = IPPROTO_ICMPV6, 231 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 232 .pr_input = icmp6_input, 233 .pr_output = rip6_output, 234 .pr_ctlinput = rip6_ctlinput, 235 .pr_ctloutput = rip6_ctloutput, 236 .pr_init = icmp6_init, 237 .pr_fasttimo = icmp6_fasttimo, 238 .pr_usrreqs = &rip6_usrreqs 239 }, 240 { 241 .pr_type = SOCK_RAW, 242 .pr_domain = &inet6domain, 243 .pr_protocol = IPPROTO_DSTOPTS, 244 .pr_flags = PR_ATOMIC|PR_ADDR, 245 .pr_input = dest6_input, 246 .pr_usrreqs = &nousrreqs 247 }, 248 { 249 .pr_type = SOCK_RAW, 250 .pr_domain = &inet6domain, 251 .pr_protocol = IPPROTO_ROUTING, 252 .pr_flags = PR_ATOMIC|PR_ADDR, 253 .pr_input = route6_input, 254 .pr_usrreqs = &nousrreqs 255 }, 256 { 257 .pr_type = SOCK_RAW, 258 .pr_domain = &inet6domain, 259 .pr_protocol = IPPROTO_FRAGMENT, 260 .pr_flags = PR_ATOMIC|PR_ADDR, 261 .pr_input = frag6_input, 262 .pr_usrreqs = &nousrreqs 263 }, 264 #ifdef IPSEC 265 { 266 .pr_type = SOCK_RAW, 267 .pr_domain = &inet6domain, 268 .pr_protocol = IPPROTO_AH, 269 .pr_flags = PR_ATOMIC|PR_ADDR, 270 .pr_input = ipsec6_common_input, 271 .pr_usrreqs = &nousrreqs, 272 }, 273 { 274 .pr_type = SOCK_RAW, 275 .pr_domain = &inet6domain, 276 .pr_protocol = IPPROTO_ESP, 277 .pr_flags = PR_ATOMIC|PR_ADDR, 278 .pr_input = ipsec6_common_input, 279 .pr_ctlinput = esp6_ctlinput, 280 .pr_usrreqs = &nousrreqs, 281 }, 282 { 283 .pr_type = SOCK_RAW, 284 .pr_domain = &inet6domain, 285 .pr_protocol = IPPROTO_IPCOMP, 286 .pr_flags = PR_ATOMIC|PR_ADDR, 287 .pr_input = ipsec6_common_input, 288 .pr_usrreqs = &nousrreqs, 289 }, 290 #endif /* IPSEC */ 291 #ifdef INET 292 { 293 .pr_type = SOCK_RAW, 294 .pr_domain = &inet6domain, 295 .pr_protocol = IPPROTO_IPV4, 296 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 297 .pr_input = encap6_input, 298 .pr_output = rip6_output, 299 .pr_ctloutput = rip6_ctloutput, 300 .pr_init = encap_init, 301 .pr_usrreqs = &rip6_usrreqs 302 }, 303 #endif /* INET */ 304 { 305 .pr_type = SOCK_RAW, 306 .pr_domain = &inet6domain, 307 .pr_protocol = IPPROTO_IPV6, 308 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 309 .pr_input = encap6_input, 310 .pr_output = rip6_output, 311 .pr_ctloutput = rip6_ctloutput, 312 .pr_init = encap_init, 313 .pr_usrreqs = &rip6_usrreqs 314 }, 315 { 316 .pr_type = SOCK_RAW, 317 .pr_domain = &inet6domain, 318 .pr_protocol = IPPROTO_PIM, 319 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 320 .pr_input = encap6_input, 321 .pr_output = rip6_output, 322 .pr_ctloutput = rip6_ctloutput, 323 .pr_usrreqs = &rip6_usrreqs 324 }, 325 #ifdef DEV_CARP 326 { 327 .pr_type = SOCK_RAW, 328 .pr_domain = &inet6domain, 329 .pr_protocol = IPPROTO_CARP, 330 .pr_flags = PR_ATOMIC|PR_ADDR, 331 .pr_input = carp6_input, 332 .pr_output = rip6_output, 333 .pr_ctloutput = rip6_ctloutput, 334 .pr_usrreqs = &rip6_usrreqs 335 }, 336 #endif /* DEV_CARP */ 337 /* raw wildcard */ 338 { 339 .pr_type = SOCK_RAW, 340 .pr_domain = &inet6domain, 341 .pr_flags = PR_ATOMIC|PR_ADDR, 342 .pr_input = rip6_input, 343 .pr_output = rip6_output, 344 .pr_ctloutput = rip6_ctloutput, 345 .pr_usrreqs = &rip6_usrreqs 346 }, 347 }; 348 349 extern int in6_inithead(void **, int); 350 351 struct domain inet6domain = { 352 .dom_family = AF_INET6, 353 .dom_name = "internet6", 354 .dom_protosw = (struct protosw *)inet6sw, 355 .dom_protoswNPROTOSW = (struct protosw *) 356 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 357 #ifdef RADIX_MPATH 358 .dom_rtattach = rn6_mpath_inithead, 359 #else 360 .dom_rtattach = in6_inithead, 361 #endif 362 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 363 .dom_maxrtkey = sizeof(struct sockaddr_in6), 364 .dom_ifattach = in6_domifattach, 365 .dom_ifdetach = in6_domifdetach 366 }; 367 368 DOMAIN_SET(inet6); 369 370 /* 371 * Internet configuration info 372 */ 373 #ifdef VIMAGE_GLOBALS 374 int ip6_forwarding; 375 int ip6_sendredirects; 376 int ip6_defhlim; 377 int ip6_defmcasthlim; 378 int ip6_accept_rtadv; 379 int ip6_maxfragpackets; 380 int ip6_maxfrags; 381 int ip6_log_interval; 382 int ip6_hdrnestlimit; 383 int ip6_dad_count; 384 int ip6_auto_flowlabel; 385 int ip6_use_deprecated; 386 int ip6_rr_prune; 387 int ip6_mcast_pmtu; 388 int ip6_v6only; 389 int ip6_keepfaith; 390 time_t ip6_log_time; 391 int ip6stealth; 392 int nd6_onlink_ns_rfc4861; 393 394 /* icmp6 */ 395 /* 396 * BSDI4 defines these variables in in_proto.c... 397 * XXX: what if we don't define INET? Should we define pmtu6_expire 398 * or so? (jinmei@kame.net 19990310) 399 */ 400 int pmtu_expire; 401 int pmtu_probe; 402 403 /* raw IP6 parameters */ 404 /* 405 * Nominal space allocated to a raw ip socket. 406 */ 407 u_long rip6_sendspace; 408 u_long rip6_recvspace; 409 410 /* ICMPV6 parameters */ 411 int icmp6_rediraccept; 412 int icmp6_redirtimeout; 413 int icmp6errppslim; 414 /* control how to respond to NI queries */ 415 int icmp6_nodeinfo; 416 417 /* UDP on IP6 parameters */ 418 int udp6_sendspace; 419 int udp6_recvspace; 420 #endif /* VIMAGE_GLOBALS */ 421 422 /* 423 * sysctl related items. 424 */ 425 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 426 "Internet6 Family"); 427 428 /* net.inet6 */ 429 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 430 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 431 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 432 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 433 #ifdef SCTP 434 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 435 #endif 436 #ifdef IPSEC 437 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 438 #endif /* IPSEC */ 439 440 /* net.inet6.ip6 */ 441 static int 442 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 443 { 444 INIT_VNET_INET6(curvnet); 445 int error = 0; 446 int old; 447 448 error = SYSCTL_OUT(req, arg1, sizeof(int)); 449 if (error || !req->newptr) 450 return (error); 451 old = V_ip6_temp_preferred_lifetime; 452 error = SYSCTL_IN(req, arg1, sizeof(int)); 453 if (V_ip6_temp_preferred_lifetime < 454 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 455 V_ip6_temp_preferred_lifetime = old; 456 return (EINVAL); 457 } 458 return (error); 459 } 460 461 static int 462 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 463 { 464 INIT_VNET_INET6(curvnet); 465 int error = 0; 466 int old; 467 468 error = SYSCTL_OUT(req, arg1, sizeof(int)); 469 if (error || !req->newptr) 470 return (error); 471 old = V_ip6_temp_valid_lifetime; 472 error = SYSCTL_IN(req, arg1, sizeof(int)); 473 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 474 V_ip6_temp_preferred_lifetime = old; 475 return (EINVAL); 476 } 477 return (error); 478 } 479 480 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING, 481 forwarding, CTLFLAG_RW, ip6_forwarding, 0, ""); 482 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 483 redirect, CTLFLAG_RW, ip6_sendredirects, 0, ""); 484 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM, 485 hlim, CTLFLAG_RW, ip6_defhlim, 0, ""); 486 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats, 487 CTLFLAG_RD, ip6stat, ip6stat, ""); 488 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 489 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, ""); 490 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 491 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, ""); 492 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH, 493 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, ""); 494 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 495 log_interval, CTLFLAG_RW, ip6_log_interval, 0, ""); 496 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 497 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, ""); 498 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT, 499 dad_count, CTLFLAG_RW, ip6_dad_count, 0, ""); 500 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 501 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, ""); 502 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 503 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, ""); 504 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 505 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 506 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 507 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, ""); 508 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE, 509 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, ""); 510 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR, 511 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, ""); 512 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 513 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0, 514 sysctl_ip6_temppltime, "I", ""); 515 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 516 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0, 517 sysctl_ip6_tempvltime, "I", ""); 518 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY, 519 v6only, CTLFLAG_RW, ip6_v6only, 0, ""); 520 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 521 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, ""); 522 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS, 523 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, ""); 524 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 525 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, ""); 526 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 527 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,""); 528 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS, 529 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, ""); 530 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU, 531 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, ""); 532 #ifdef IPSTEALTH 533 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH, 534 stealth, CTLFLAG_RW, ip6stealth, 0, ""); 535 #endif 536 537 /* net.inet6.icmp6 */ 538 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 539 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, ""); 540 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 541 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, ""); 542 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS, 543 stats, CTLFLAG_RD, icmp6stat, icmp6stat, ""); 544 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 545 nd6_prune, CTLFLAG_RW, nd6_prune, 0, ""); 546 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 547 nd6_delay, CTLFLAG_RW, nd6_delay, 0, ""); 548 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 549 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, ""); 550 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 551 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, ""); 552 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 553 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, ""); 554 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO, 555 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, ""); 556 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 557 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, ""); 558 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 559 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, ""); 560 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 561 nd6_debug, CTLFLAG_RW, nd6_debug, 0, ""); 562 563 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 564 nd6_onlink_ns_rfc4861, CTLFLAG_RW, nd6_onlink_ns_rfc4861, 0, 565 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 566