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_route.h" 71 #include "opt_carp.h" 72 #include "opt_sctp.h" 73 #include "opt_mpath.h" 74 75 #include <sys/param.h> 76 #include <sys/socket.h> 77 #include <sys/socketvar.h> 78 #include <sys/proc.h> 79 #include <sys/protosw.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 */ 138 139 extern struct domain inet6domain; 140 static struct pr_usrreqs nousrreqs; 141 142 #define PR_LISTEN 0 143 #define PR_ABRTACPTDIS 0 144 145 struct ip6protosw inet6sw[] = { 146 { 147 .pr_type = 0, 148 .pr_domain = &inet6domain, 149 .pr_protocol = IPPROTO_IPV6, 150 .pr_init = ip6_init, 151 .pr_slowtimo = frag6_slowtimo, 152 .pr_drain = frag6_drain, 153 .pr_usrreqs = &nousrreqs, 154 }, 155 { 156 .pr_type = SOCK_DGRAM, 157 .pr_domain = &inet6domain, 158 .pr_protocol = IPPROTO_UDP, 159 .pr_flags = PR_ATOMIC|PR_ADDR, 160 .pr_input = udp6_input, 161 .pr_ctlinput = udp6_ctlinput, 162 .pr_ctloutput = ip6_ctloutput, 163 .pr_usrreqs = &udp6_usrreqs, 164 }, 165 { 166 .pr_type = SOCK_STREAM, 167 .pr_domain = &inet6domain, 168 .pr_protocol = IPPROTO_TCP, 169 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 170 .pr_input = tcp6_input, 171 .pr_ctlinput = tcp6_ctlinput, 172 .pr_ctloutput = tcp_ctloutput, 173 #ifndef INET /* don't call initialization and timeout routines twice */ 174 .pr_init = tcp_init, 175 .pr_fasttimo = tcp_fasttimo, 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_usrreqs = &rip6_usrreqs 240 }, 241 { 242 .pr_type = SOCK_RAW, 243 .pr_domain = &inet6domain, 244 .pr_protocol = IPPROTO_DSTOPTS, 245 .pr_flags = PR_ATOMIC|PR_ADDR, 246 .pr_input = dest6_input, 247 .pr_usrreqs = &nousrreqs 248 }, 249 { 250 .pr_type = SOCK_RAW, 251 .pr_domain = &inet6domain, 252 .pr_protocol = IPPROTO_ROUTING, 253 .pr_flags = PR_ATOMIC|PR_ADDR, 254 .pr_input = route6_input, 255 .pr_usrreqs = &nousrreqs 256 }, 257 { 258 .pr_type = SOCK_RAW, 259 .pr_domain = &inet6domain, 260 .pr_protocol = IPPROTO_FRAGMENT, 261 .pr_flags = PR_ATOMIC|PR_ADDR, 262 .pr_input = frag6_input, 263 .pr_usrreqs = &nousrreqs 264 }, 265 #ifdef IPSEC 266 { 267 .pr_type = SOCK_RAW, 268 .pr_domain = &inet6domain, 269 .pr_protocol = IPPROTO_AH, 270 .pr_flags = PR_ATOMIC|PR_ADDR, 271 .pr_input = ipsec6_common_input, 272 .pr_usrreqs = &nousrreqs, 273 }, 274 { 275 .pr_type = SOCK_RAW, 276 .pr_domain = &inet6domain, 277 .pr_protocol = IPPROTO_ESP, 278 .pr_flags = PR_ATOMIC|PR_ADDR, 279 .pr_input = ipsec6_common_input, 280 .pr_ctlinput = esp6_ctlinput, 281 .pr_usrreqs = &nousrreqs, 282 }, 283 { 284 .pr_type = SOCK_RAW, 285 .pr_domain = &inet6domain, 286 .pr_protocol = IPPROTO_IPCOMP, 287 .pr_flags = PR_ATOMIC|PR_ADDR, 288 .pr_input = ipsec6_common_input, 289 .pr_usrreqs = &nousrreqs, 290 }, 291 #endif /* IPSEC */ 292 #ifdef INET 293 { 294 .pr_type = SOCK_RAW, 295 .pr_domain = &inet6domain, 296 .pr_protocol = IPPROTO_IPV4, 297 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 298 .pr_input = encap6_input, 299 .pr_output = rip6_output, 300 .pr_ctloutput = rip6_ctloutput, 301 .pr_init = encap_init, 302 .pr_usrreqs = &rip6_usrreqs 303 }, 304 #endif /* INET */ 305 { 306 .pr_type = SOCK_RAW, 307 .pr_domain = &inet6domain, 308 .pr_protocol = IPPROTO_IPV6, 309 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 310 .pr_input = encap6_input, 311 .pr_output = rip6_output, 312 .pr_ctloutput = rip6_ctloutput, 313 .pr_init = encap_init, 314 .pr_usrreqs = &rip6_usrreqs 315 }, 316 { 317 .pr_type = SOCK_RAW, 318 .pr_domain = &inet6domain, 319 .pr_protocol = IPPROTO_PIM, 320 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 321 .pr_input = encap6_input, 322 .pr_output = rip6_output, 323 .pr_ctloutput = rip6_ctloutput, 324 .pr_usrreqs = &rip6_usrreqs 325 }, 326 #ifdef DEV_CARP 327 { 328 .pr_type = SOCK_RAW, 329 .pr_domain = &inet6domain, 330 .pr_protocol = IPPROTO_CARP, 331 .pr_flags = PR_ATOMIC|PR_ADDR, 332 .pr_input = carp6_input, 333 .pr_output = rip6_output, 334 .pr_ctloutput = rip6_ctloutput, 335 .pr_usrreqs = &rip6_usrreqs 336 }, 337 #endif /* DEV_CARP */ 338 /* raw wildcard */ 339 { 340 .pr_type = SOCK_RAW, 341 .pr_domain = &inet6domain, 342 .pr_flags = PR_ATOMIC|PR_ADDR, 343 .pr_input = rip6_input, 344 .pr_output = rip6_output, 345 .pr_ctloutput = rip6_ctloutput, 346 .pr_usrreqs = &rip6_usrreqs 347 }, 348 }; 349 350 extern int in6_inithead(void **, int); 351 352 struct domain inet6domain = { 353 .dom_family = AF_INET6, 354 .dom_name = "internet6", 355 .dom_protosw = (struct protosw *)inet6sw, 356 .dom_protoswNPROTOSW = (struct protosw *) 357 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 358 #ifdef RADIX_MPATH 359 .dom_rtattach = rn6_mpath_inithead, 360 #else 361 .dom_rtattach = in6_inithead, 362 #endif 363 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 364 .dom_maxrtkey = sizeof(struct sockaddr_in6), 365 .dom_ifattach = in6_domifattach, 366 .dom_ifdetach = in6_domifdetach 367 }; 368 369 DOMAIN_SET(inet6); 370 371 /* 372 * Internet configuration info 373 */ 374 #ifdef VIMAGE_GLOBALS 375 int ip6_forwarding; 376 int ip6_sendredirects; 377 int ip6_defhlim; 378 int ip6_defmcasthlim; 379 int ip6_accept_rtadv; 380 int ip6_maxfragpackets; 381 int ip6_maxfrags; 382 int ip6_log_interval; 383 int ip6_hdrnestlimit; 384 int ip6_dad_count; 385 int ip6_auto_flowlabel; 386 int ip6_use_deprecated; 387 int ip6_rr_prune; 388 int ip6_mcast_pmtu; 389 int ip6_v6only; 390 int ip6_keepfaith; 391 time_t ip6_log_time; 392 int ip6stealth; 393 int nd6_onlink_ns_rfc4861; 394 395 /* icmp6 */ 396 /* 397 * BSDI4 defines these variables in in_proto.c... 398 * XXX: what if we don't define INET? Should we define pmtu6_expire 399 * or so? (jinmei@kame.net 19990310) 400 */ 401 int pmtu_expire; 402 int pmtu_probe; 403 404 /* raw IP6 parameters */ 405 /* 406 * Nominal space allocated to a raw ip socket. 407 */ 408 u_long rip6_sendspace; 409 u_long rip6_recvspace; 410 411 /* ICMPV6 parameters */ 412 int icmp6_rediraccept; 413 int icmp6_redirtimeout; 414 int icmp6errppslim; 415 /* control how to respond to NI queries */ 416 int icmp6_nodeinfo; 417 418 /* UDP on IP6 parameters */ 419 int udp6_sendspace; 420 int udp6_recvspace; 421 #endif /* VIMAGE_GLOBALS */ 422 423 /* 424 * sysctl related items. 425 */ 426 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 427 "Internet6 Family"); 428 429 /* net.inet6 */ 430 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 431 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 432 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 433 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 434 #ifdef SCTP 435 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 436 #endif 437 #ifdef IPSEC 438 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 439 #endif /* IPSEC */ 440 441 /* net.inet6.ip6 */ 442 static int 443 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 444 { 445 INIT_VNET_INET6(curvnet); 446 int error = 0; 447 int old; 448 449 error = SYSCTL_OUT(req, arg1, sizeof(int)); 450 if (error || !req->newptr) 451 return (error); 452 old = V_ip6_temp_preferred_lifetime; 453 error = SYSCTL_IN(req, arg1, sizeof(int)); 454 if (V_ip6_temp_preferred_lifetime < 455 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 456 V_ip6_temp_preferred_lifetime = old; 457 return (EINVAL); 458 } 459 return (error); 460 } 461 462 static int 463 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 464 { 465 INIT_VNET_INET6(curvnet); 466 int error = 0; 467 int old; 468 469 error = SYSCTL_OUT(req, arg1, sizeof(int)); 470 if (error || !req->newptr) 471 return (error); 472 old = V_ip6_temp_valid_lifetime; 473 error = SYSCTL_IN(req, arg1, sizeof(int)); 474 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 475 V_ip6_temp_preferred_lifetime = old; 476 return (EINVAL); 477 } 478 return (error); 479 } 480 481 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING, 482 forwarding, CTLFLAG_RW, ip6_forwarding, 0, ""); 483 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 484 redirect, CTLFLAG_RW, ip6_sendredirects, 0, ""); 485 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM, 486 hlim, CTLFLAG_RW, ip6_defhlim, 0, ""); 487 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats, 488 CTLFLAG_RD, ip6stat, ip6stat, ""); 489 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 490 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, ""); 491 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 492 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, ""); 493 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH, 494 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, ""); 495 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 496 log_interval, CTLFLAG_RW, ip6_log_interval, 0, ""); 497 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 498 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, ""); 499 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT, 500 dad_count, CTLFLAG_RW, ip6_dad_count, 0, ""); 501 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 502 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, ""); 503 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 504 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, ""); 505 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 506 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 507 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 508 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, ""); 509 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE, 510 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, ""); 511 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR, 512 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, ""); 513 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 514 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0, 515 sysctl_ip6_temppltime, "I", ""); 516 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 517 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0, 518 sysctl_ip6_tempvltime, "I", ""); 519 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY, 520 v6only, CTLFLAG_RW, ip6_v6only, 0, ""); 521 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 522 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, ""); 523 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS, 524 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, ""); 525 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 526 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, ""); 527 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 528 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,""); 529 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS, 530 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, ""); 531 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU, 532 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, ""); 533 #ifdef IPSTEALTH 534 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH, 535 stealth, CTLFLAG_RW, ip6stealth, 0, ""); 536 #endif 537 538 /* net.inet6.icmp6 */ 539 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 540 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, ""); 541 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 542 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, ""); 543 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS, 544 stats, CTLFLAG_RD, icmp6stat, icmp6stat, ""); 545 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 546 nd6_prune, CTLFLAG_RW, nd6_prune, 0, ""); 547 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 548 nd6_delay, CTLFLAG_RW, nd6_delay, 0, ""); 549 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 550 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, ""); 551 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 552 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, ""); 553 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 554 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, ""); 555 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO, 556 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, ""); 557 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 558 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, ""); 559 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 560 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, ""); 561 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 562 nd6_debug, CTLFLAG_RW, nd6_debug, 0, ""); 563 564 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 565 nd6_onlink_ns_rfc4861, CTLFLAG_RW, nd6_onlink_ns_rfc4861, 0, 566 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 567