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 73 #include <sys/param.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/protosw.h> 77 #include <sys/kernel.h> 78 #include <sys/domain.h> 79 #include <sys/mbuf.h> 80 #include <sys/systm.h> 81 #include <sys/sysctl.h> 82 83 #include <net/if.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 87 #include <netinet/in.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/in_var.h> 90 #include <netinet/ip_encap.h> 91 #include <netinet/ip.h> 92 #include <netinet/ip_var.h> 93 #include <netinet/ip6.h> 94 #include <netinet6/ip6_var.h> 95 #include <netinet/icmp6.h> 96 97 #include <netinet/tcp.h> 98 #include <netinet/tcp_timer.h> 99 #include <netinet/tcp_var.h> 100 #include <netinet/udp.h> 101 #include <netinet/udp_var.h> 102 #include <netinet6/tcp6_var.h> 103 #include <netinet6/raw_ip6.h> 104 #include <netinet6/udp6_var.h> 105 #include <netinet6/pim6_var.h> 106 #include <netinet6/nd6.h> 107 108 #ifdef DEV_CARP 109 #include <netinet/ip_carp.h> 110 #endif 111 112 #ifdef SCTP 113 #include <netinet/in_pcb.h> 114 #include <netinet/sctp_pcb.h> 115 #include <netinet/sctp.h> 116 #include <netinet/sctp_var.h> 117 #include <netinet6/sctp6_var.h> 118 #endif /* SCTP */ 119 120 #ifdef IPSEC 121 #include <netipsec/ipsec.h> 122 #include <netipsec/ipsec6.h> 123 #endif /* IPSEC */ 124 125 #include <netinet6/ip6protosw.h> 126 127 /* 128 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 129 */ 130 131 extern struct domain inet6domain; 132 static struct pr_usrreqs nousrreqs; 133 134 #define PR_LISTEN 0 135 #define PR_ABRTACPTDIS 0 136 137 struct ip6protosw inet6sw[] = { 138 { 139 .pr_type = 0, 140 .pr_domain = &inet6domain, 141 .pr_protocol = IPPROTO_IPV6, 142 .pr_init = ip6_init, 143 .pr_slowtimo = frag6_slowtimo, 144 .pr_drain = frag6_drain, 145 .pr_usrreqs = &nousrreqs, 146 }, 147 { 148 .pr_type = SOCK_DGRAM, 149 .pr_domain = &inet6domain, 150 .pr_protocol = IPPROTO_UDP, 151 .pr_flags = PR_ATOMIC|PR_ADDR, 152 .pr_input = udp6_input, 153 .pr_ctlinput = udp6_ctlinput, 154 .pr_ctloutput = ip6_ctloutput, 155 .pr_usrreqs = &udp6_usrreqs, 156 }, 157 { 158 .pr_type = SOCK_STREAM, 159 .pr_domain = &inet6domain, 160 .pr_protocol = IPPROTO_TCP, 161 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 162 .pr_input = tcp6_input, 163 .pr_ctlinput = tcp6_ctlinput, 164 .pr_ctloutput = tcp_ctloutput, 165 #ifndef INET /* don't call initialization and timeout routines twice */ 166 .pr_init = tcp_init, 167 .pr_fasttimo = tcp_fasttimo, 168 .pr_slowtimo = tcp_slowtimo, 169 #endif 170 .pr_drain = tcp_drain, 171 .pr_usrreqs = &tcp6_usrreqs, 172 }, 173 #ifdef SCTP 174 { 175 .pr_type = SOCK_DGRAM, 176 .pr_domain = &inet6domain, 177 .pr_protocol = IPPROTO_SCTP, 178 .pr_flags = PR_WANTRCVD, 179 .pr_input = sctp6_input, 180 .pr_ctlinput = sctp6_ctlinput, 181 .pr_ctloutput = sctp_ctloutput, 182 .pr_drain = sctp_drain, 183 .pr_usrreqs = &sctp6_usrreqs 184 }, 185 { 186 .pr_type = SOCK_SEQPACKET, 187 .pr_domain = &inet6domain, 188 .pr_protocol = IPPROTO_SCTP, 189 .pr_flags = PR_WANTRCVD, 190 .pr_input = sctp6_input, 191 .pr_ctlinput = sctp6_ctlinput, 192 .pr_ctloutput = sctp_ctloutput, 193 .pr_drain = sctp_drain, 194 .pr_usrreqs = &sctp6_usrreqs 195 }, 196 197 { 198 .pr_type = SOCK_STREAM, 199 .pr_domain = &inet6domain, 200 .pr_protocol = IPPROTO_SCTP, 201 .pr_flags = PR_WANTRCVD, 202 .pr_input = sctp6_input, 203 .pr_ctlinput = sctp6_ctlinput, 204 .pr_ctloutput = sctp_ctloutput, 205 .pr_drain = sctp_drain, 206 .pr_usrreqs = &sctp6_usrreqs 207 }, 208 #endif /* SCTP */ 209 { 210 .pr_type = SOCK_RAW, 211 .pr_domain = &inet6domain, 212 .pr_protocol = IPPROTO_RAW, 213 .pr_flags = PR_ATOMIC|PR_ADDR, 214 .pr_input = rip6_input, 215 .pr_output = rip6_output, 216 .pr_ctlinput = rip6_ctlinput, 217 .pr_ctloutput = rip6_ctloutput, 218 .pr_usrreqs = &rip6_usrreqs 219 }, 220 { 221 .pr_type = SOCK_RAW, 222 .pr_domain = &inet6domain, 223 .pr_protocol = IPPROTO_ICMPV6, 224 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 225 .pr_input = icmp6_input, 226 .pr_output = rip6_output, 227 .pr_ctlinput = rip6_ctlinput, 228 .pr_ctloutput = rip6_ctloutput, 229 .pr_init = icmp6_init, 230 .pr_fasttimo = icmp6_fasttimo, 231 .pr_usrreqs = &rip6_usrreqs 232 }, 233 { 234 .pr_type = SOCK_RAW, 235 .pr_domain = &inet6domain, 236 .pr_protocol = IPPROTO_DSTOPTS, 237 .pr_flags = PR_ATOMIC|PR_ADDR, 238 .pr_input = dest6_input, 239 .pr_usrreqs = &nousrreqs 240 }, 241 { 242 .pr_type = SOCK_RAW, 243 .pr_domain = &inet6domain, 244 .pr_protocol = IPPROTO_ROUTING, 245 .pr_flags = PR_ATOMIC|PR_ADDR, 246 .pr_input = route6_input, 247 .pr_usrreqs = &nousrreqs 248 }, 249 { 250 .pr_type = SOCK_RAW, 251 .pr_domain = &inet6domain, 252 .pr_protocol = IPPROTO_FRAGMENT, 253 .pr_flags = PR_ATOMIC|PR_ADDR, 254 .pr_input = frag6_input, 255 .pr_usrreqs = &nousrreqs 256 }, 257 #ifdef IPSEC 258 { 259 .pr_type = SOCK_RAW, 260 .pr_domain = &inet6domain, 261 .pr_protocol = IPPROTO_AH, 262 .pr_flags = PR_ATOMIC|PR_ADDR, 263 .pr_input = ipsec6_common_input, 264 .pr_usrreqs = &nousrreqs, 265 }, 266 { 267 .pr_type = SOCK_RAW, 268 .pr_domain = &inet6domain, 269 .pr_protocol = IPPROTO_ESP, 270 .pr_flags = PR_ATOMIC|PR_ADDR, 271 .pr_input = ipsec6_common_input, 272 .pr_ctlinput = esp6_ctlinput, 273 .pr_usrreqs = &nousrreqs, 274 }, 275 { 276 .pr_type = SOCK_RAW, 277 .pr_domain = &inet6domain, 278 .pr_protocol = IPPROTO_IPCOMP, 279 .pr_flags = PR_ATOMIC|PR_ADDR, 280 .pr_input = ipsec6_common_input, 281 .pr_usrreqs = &nousrreqs, 282 }, 283 #endif /* IPSEC */ 284 #ifdef INET 285 { 286 .pr_type = SOCK_RAW, 287 .pr_domain = &inet6domain, 288 .pr_protocol = IPPROTO_IPV4, 289 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 290 .pr_input = encap6_input, 291 .pr_output = rip6_output, 292 .pr_ctloutput = rip6_ctloutput, 293 .pr_init = encap_init, 294 .pr_usrreqs = &rip6_usrreqs 295 }, 296 #endif /* INET */ 297 { 298 .pr_type = SOCK_RAW, 299 .pr_domain = &inet6domain, 300 .pr_protocol = IPPROTO_IPV6, 301 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 302 .pr_input = encap6_input, 303 .pr_output = rip6_output, 304 .pr_ctloutput = rip6_ctloutput, 305 .pr_init = encap_init, 306 .pr_usrreqs = &rip6_usrreqs 307 }, 308 { 309 .pr_type = SOCK_RAW, 310 .pr_domain = &inet6domain, 311 .pr_protocol = IPPROTO_PIM, 312 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 313 .pr_input = encap6_input, 314 .pr_output = rip6_output, 315 .pr_ctloutput = rip6_ctloutput, 316 .pr_usrreqs = &rip6_usrreqs 317 }, 318 #ifdef DEV_CARP 319 { 320 .pr_type = SOCK_RAW, 321 .pr_domain = &inet6domain, 322 .pr_protocol = IPPROTO_CARP, 323 .pr_flags = PR_ATOMIC|PR_ADDR, 324 .pr_input = carp6_input, 325 .pr_output = rip6_output, 326 .pr_ctloutput = rip6_ctloutput, 327 .pr_usrreqs = &rip6_usrreqs 328 }, 329 #endif /* DEV_CARP */ 330 /* raw wildcard */ 331 { 332 .pr_type = SOCK_RAW, 333 .pr_domain = &inet6domain, 334 .pr_flags = PR_ATOMIC|PR_ADDR, 335 .pr_input = rip6_input, 336 .pr_output = rip6_output, 337 .pr_ctloutput = rip6_ctloutput, 338 .pr_usrreqs = &rip6_usrreqs 339 }, 340 }; 341 342 extern int in6_inithead(void **, int); 343 344 struct domain inet6domain = { 345 .dom_family = AF_INET6, 346 .dom_name = "internet6", 347 .dom_protosw = (struct protosw *)inet6sw, 348 .dom_protoswNPROTOSW = (struct protosw *) 349 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 350 .dom_rtattach = in6_inithead, 351 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 352 .dom_maxrtkey = sizeof(struct sockaddr_in6), 353 .dom_ifattach = in6_domifattach, 354 .dom_ifdetach = in6_domifdetach 355 }; 356 357 DOMAIN_SET(inet6); 358 359 /* 360 * Internet configuration info 361 */ 362 #ifndef IPV6FORWARDING 363 #ifdef GATEWAY6 364 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 365 #else 366 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 367 #endif /* GATEWAY6 */ 368 #endif /* !IPV6FORWARDING */ 369 370 #ifndef IPV6_SENDREDIRECTS 371 #define IPV6_SENDREDIRECTS 1 372 #endif 373 374 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 375 int ip6_sendredirects = IPV6_SENDREDIRECTS; 376 int ip6_defhlim = IPV6_DEFHLIM; 377 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 378 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 379 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 380 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 381 int ip6_log_interval = 5; 382 int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 383 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 384 int ip6_auto_flowlabel = 1; 385 int ip6_gif_hlim = 0; 386 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 387 int ip6_rr_prune = 5; /* router renumbering prefix 388 * walk list every 5 sec. */ 389 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 390 int ip6_v6only = 1; 391 392 int ip6_keepfaith = 0; 393 time_t ip6_log_time = (time_t)0L; 394 #ifdef IPSTEALTH 395 int ip6stealth = 0; 396 #endif 397 398 /* icmp6 */ 399 /* 400 * BSDI4 defines these variables in in_proto.c... 401 * XXX: what if we don't define INET? Should we define pmtu6_expire 402 * or so? (jinmei@kame.net 19990310) 403 */ 404 int pmtu_expire = 60*10; 405 int pmtu_probe = 60*2; 406 407 /* raw IP6 parameters */ 408 /* 409 * Nominal space allocated to a raw ip socket. 410 */ 411 #define RIPV6SNDQ 8192 412 #define RIPV6RCVQ 8192 413 414 u_long rip6_sendspace = RIPV6SNDQ; 415 u_long rip6_recvspace = RIPV6RCVQ; 416 417 /* ICMPV6 parameters */ 418 int icmp6_rediraccept = 1; /* accept and process redirects */ 419 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 420 int icmp6errppslim = 100; /* 100pps */ 421 /* control how to respond to NI queries */ 422 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 423 424 /* UDP on IP6 parameters */ 425 int udp6_sendspace = 9216; /* really max datagram size */ 426 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 427 /* 40 1K datagrams */ 428 429 /* 430 * sysctl related items. 431 */ 432 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 433 "Internet6 Family"); 434 435 /* net.inet6 */ 436 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 437 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 438 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 439 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 440 #ifdef SCTP 441 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 442 #endif 443 #ifdef IPSEC 444 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 445 #endif /* IPSEC */ 446 447 /* net.inet6.ip6 */ 448 static int 449 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 450 { 451 int error = 0; 452 int old; 453 454 error = SYSCTL_OUT(req, arg1, sizeof(int)); 455 if (error || !req->newptr) 456 return (error); 457 old = ip6_temp_preferred_lifetime; 458 error = SYSCTL_IN(req, arg1, sizeof(int)); 459 if (ip6_temp_preferred_lifetime < 460 ip6_desync_factor + ip6_temp_regen_advance) { 461 ip6_temp_preferred_lifetime = old; 462 return (EINVAL); 463 } 464 return (error); 465 } 466 467 static int 468 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 469 { 470 int error = 0; 471 int old; 472 473 error = SYSCTL_OUT(req, arg1, sizeof(int)); 474 if (error || !req->newptr) 475 return (error); 476 old = ip6_temp_valid_lifetime; 477 error = SYSCTL_IN(req, arg1, sizeof(int)); 478 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 479 ip6_temp_preferred_lifetime = old; 480 return (EINVAL); 481 } 482 return (error); 483 } 484 485 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 486 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 487 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 488 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 489 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 490 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 491 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 492 &ip6stat, ip6stat, ""); 493 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 494 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 495 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 496 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 497 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 498 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 499 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 500 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 501 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 502 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 503 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 504 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 505 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 506 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 507 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 508 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 509 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 510 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 511 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 512 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 513 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 514 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 515 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 516 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 517 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 518 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 519 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 520 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 521 sysctl_ip6_temppltime, "I", ""); 522 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 523 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 524 sysctl_ip6_tempvltime, "I", ""); 525 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 526 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 527 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 528 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 529 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 530 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 531 &rip6stat, rip6stat, ""); 532 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 533 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 534 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 535 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 536 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 537 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 538 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 539 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 540 #ifdef IPSTEALTH 541 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 542 &ip6stealth, 0, ""); 543 #endif 544 545 /* net.inet6.icmp6 */ 546 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 547 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 548 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 549 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 550 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 551 &icmp6stat, icmp6stat, ""); 552 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 553 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 554 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 555 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 556 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 557 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 558 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 559 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 560 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 561 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 562 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 563 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 564 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 565 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 566 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 567 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 568 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 569 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 570