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_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); 352 353 struct domain inet6domain = { 354 .dom_family = AF_INET6, 355 .dom_name = "internet6", 356 .dom_protosw = (struct protosw *)inet6sw, 357 .dom_protoswNPROTOSW = (struct protosw *) 358 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 359 #ifdef RADIX_MPATH 360 .dom_rtattach = rn6_mpath_inithead, 361 #else 362 .dom_rtattach = in6_inithead, 363 #endif 364 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 365 .dom_maxrtkey = sizeof(struct sockaddr_in6), 366 .dom_ifattach = in6_domifattach, 367 .dom_ifdetach = in6_domifdetach 368 }; 369 370 DOMAIN_SET(inet6); 371 372 /* 373 * Internet configuration info 374 */ 375 #ifdef VIMAGE_GLOBALS 376 int ip6_forwarding; 377 int ip6_sendredirects; 378 int ip6_defhlim; 379 int ip6_defmcasthlim; 380 int ip6_accept_rtadv; 381 int ip6_maxfragpackets; 382 int ip6_maxfrags; 383 int ip6_log_interval; 384 int ip6_hdrnestlimit; 385 int ip6_dad_count; 386 int ip6_auto_flowlabel; 387 int ip6_use_deprecated; 388 int ip6_rr_prune; 389 int ip6_mcast_pmtu; 390 int ip6_v6only; 391 int ip6_keepfaith; 392 time_t ip6_log_time; 393 int ip6stealth; 394 int nd6_onlink_ns_rfc4861; 395 396 /* icmp6 */ 397 /* 398 * BSDI4 defines these variables in in_proto.c... 399 * XXX: what if we don't define INET? Should we define pmtu6_expire 400 * or so? (jinmei@kame.net 19990310) 401 */ 402 int pmtu_expire; 403 int pmtu_probe; 404 405 /* raw IP6 parameters */ 406 /* 407 * Nominal space allocated to a raw ip socket. 408 */ 409 u_long rip6_sendspace; 410 u_long rip6_recvspace; 411 412 /* ICMPV6 parameters */ 413 int icmp6_rediraccept; 414 int icmp6_redirtimeout; 415 int icmp6errppslim; 416 /* control how to respond to NI queries */ 417 int icmp6_nodeinfo; 418 419 /* UDP on IP6 parameters */ 420 int udp6_sendspace; 421 int udp6_recvspace; 422 #endif /* VIMAGE_GLOBALS */ 423 424 /* 425 * sysctl related items. 426 */ 427 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 428 "Internet6 Family"); 429 430 /* net.inet6 */ 431 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 432 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 433 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 434 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 435 #ifdef SCTP 436 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 437 #endif 438 #ifdef IPSEC 439 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 440 #endif /* IPSEC */ 441 442 /* net.inet6.ip6 */ 443 static int 444 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 445 { 446 INIT_VNET_INET6(curvnet); 447 int error = 0; 448 int old; 449 450 SYSCTL_RESOLVE_V_ARG1(); 451 452 error = SYSCTL_OUT(req, arg1, sizeof(int)); 453 if (error || !req->newptr) 454 return (error); 455 old = V_ip6_temp_preferred_lifetime; 456 error = SYSCTL_IN(req, arg1, sizeof(int)); 457 if (V_ip6_temp_preferred_lifetime < 458 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 459 V_ip6_temp_preferred_lifetime = old; 460 return (EINVAL); 461 } 462 return (error); 463 } 464 465 static int 466 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 467 { 468 INIT_VNET_INET6(curvnet); 469 int error = 0; 470 int old; 471 472 SYSCTL_RESOLVE_V_ARG1(); 473 474 error = SYSCTL_OUT(req, arg1, sizeof(int)); 475 if (error || !req->newptr) 476 return (error); 477 old = V_ip6_temp_valid_lifetime; 478 error = SYSCTL_IN(req, arg1, sizeof(int)); 479 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 480 V_ip6_temp_preferred_lifetime = old; 481 return (EINVAL); 482 } 483 return (error); 484 } 485 486 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING, 487 forwarding, CTLFLAG_RW, ip6_forwarding, 0, ""); 488 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 489 redirect, CTLFLAG_RW, ip6_sendredirects, 0, ""); 490 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM, 491 hlim, CTLFLAG_RW, ip6_defhlim, 0, ""); 492 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats, 493 CTLFLAG_RD, ip6stat, ip6stat, ""); 494 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 495 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, ""); 496 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 497 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, ""); 498 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH, 499 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, ""); 500 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 501 log_interval, CTLFLAG_RW, ip6_log_interval, 0, ""); 502 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 503 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, ""); 504 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT, 505 dad_count, CTLFLAG_RW, ip6_dad_count, 0, ""); 506 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 507 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, ""); 508 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 509 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, ""); 510 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 511 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 512 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 513 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, ""); 514 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE, 515 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, ""); 516 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR, 517 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, ""); 518 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 519 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0, 520 sysctl_ip6_temppltime, "I", ""); 521 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 522 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0, 523 sysctl_ip6_tempvltime, "I", ""); 524 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY, 525 v6only, CTLFLAG_RW, ip6_v6only, 0, ""); 526 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 527 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, ""); 528 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS, 529 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, ""); 530 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 531 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, ""); 532 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 533 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,""); 534 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS, 535 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, ""); 536 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU, 537 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, ""); 538 #ifdef IPSTEALTH 539 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH, 540 stealth, CTLFLAG_RW, ip6stealth, 0, ""); 541 #endif 542 543 /* net.inet6.icmp6 */ 544 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 545 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, ""); 546 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 547 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, ""); 548 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS, 549 stats, CTLFLAG_RD, icmp6stat, icmp6stat, ""); 550 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 551 nd6_prune, CTLFLAG_RW, nd6_prune, 0, ""); 552 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 553 nd6_delay, CTLFLAG_RW, nd6_delay, 0, ""); 554 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 555 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, ""); 556 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 557 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, ""); 558 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 559 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, ""); 560 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO, 561 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, ""); 562 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 563 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, ""); 564 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 565 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, ""); 566 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 567 nd6_debug, CTLFLAG_RW, nd6_debug, 0, ""); 568 569 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 570 nd6_onlink_ns_rfc4861, CTLFLAG_RW, nd6_onlink_ns_rfc4861, 0, 571 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 572