1 /* $FreeBSD$ */ 2 /* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ */ 3 4 /*- 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1982, 1986, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 62 */ 63 64 #include "opt_inet.h" 65 #include "opt_inet6.h" 66 #include "opt_ipsec.h" 67 #include "opt_ipstealth.h" 68 #include "opt_carp.h" 69 #include "opt_sctp.h" 70 71 #include <sys/param.h> 72 #include <sys/socket.h> 73 #include <sys/socketvar.h> 74 #include <sys/protosw.h> 75 #include <sys/kernel.h> 76 #include <sys/domain.h> 77 #include <sys/mbuf.h> 78 #include <sys/systm.h> 79 #include <sys/sysctl.h> 80 81 #include <net/if.h> 82 #include <net/radix.h> 83 #include <net/route.h> 84 85 #include <netinet/in.h> 86 #include <netinet/in_systm.h> 87 #include <netinet/in_var.h> 88 #include <netinet/ip_encap.h> 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #include <netinet/ip6.h> 92 #include <netinet6/ip6_var.h> 93 #include <netinet/icmp6.h> 94 95 #include <netinet/tcp.h> 96 #include <netinet/tcp_timer.h> 97 #include <netinet/tcp_var.h> 98 #include <netinet/udp.h> 99 #include <netinet/udp_var.h> 100 #include <netinet6/tcp6_var.h> 101 #include <netinet6/raw_ip6.h> 102 #include <netinet6/udp6_var.h> 103 #include <netinet6/pim6_var.h> 104 #include <netinet6/nd6.h> 105 106 #ifdef DEV_CARP 107 #include <netinet/ip_carp.h> 108 #endif 109 110 #ifdef SCTP 111 #include <netinet/in_pcb.h> 112 #include <netinet/sctp_pcb.h> 113 #include <netinet/sctp.h> 114 #include <netinet/sctp_var.h> 115 #include <netinet6/sctp6_var.h> 116 #endif /* SCTP */ 117 118 #ifdef IPSEC 119 #include <netipsec/ipsec.h> 120 #include <netipsec/ipsec6.h> 121 #endif /* IPSEC */ 122 123 #include <netinet6/ip6protosw.h> 124 125 /* 126 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 127 */ 128 129 extern struct domain inet6domain; 130 static struct pr_usrreqs nousrreqs; 131 132 #define PR_LISTEN 0 133 #define PR_ABRTACPTDIS 0 134 135 struct ip6protosw inet6sw[] = { 136 { 137 .pr_type = 0, 138 .pr_domain = &inet6domain, 139 .pr_protocol = IPPROTO_IPV6, 140 .pr_init = ip6_init, 141 .pr_slowtimo = frag6_slowtimo, 142 .pr_drain = frag6_drain, 143 .pr_usrreqs = &nousrreqs, 144 }, 145 { 146 .pr_type = SOCK_DGRAM, 147 .pr_domain = &inet6domain, 148 .pr_protocol = IPPROTO_UDP, 149 .pr_flags = PR_ATOMIC|PR_ADDR, 150 .pr_input = udp6_input, 151 .pr_ctlinput = udp6_ctlinput, 152 .pr_ctloutput = ip6_ctloutput, 153 .pr_usrreqs = &udp6_usrreqs, 154 }, 155 { 156 .pr_type = SOCK_STREAM, 157 .pr_domain = &inet6domain, 158 .pr_protocol = IPPROTO_TCP, 159 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 160 .pr_input = tcp6_input, 161 .pr_ctlinput = tcp6_ctlinput, 162 .pr_ctloutput = tcp_ctloutput, 163 #ifndef INET /* don't call initialization and timeout routines twice */ 164 .pr_init = tcp_init, 165 .pr_fasttimo = tcp_fasttimo, 166 .pr_slowtimo = tcp_slowtimo, 167 #endif 168 .pr_drain = tcp_drain, 169 .pr_usrreqs = &tcp6_usrreqs, 170 }, 171 #ifdef SCTP 172 { 173 .pr_type = SOCK_DGRAM, 174 .pr_domain = &inet6domain, 175 .pr_protocol = IPPROTO_SCTP, 176 .pr_flags = PR_WANTRCVD, 177 .pr_input = sctp6_input, 178 .pr_ctlinput = sctp6_ctlinput, 179 .pr_ctloutput = sctp_ctloutput, 180 .pr_drain = sctp_drain, 181 .pr_usrreqs = &sctp6_usrreqs 182 }, 183 { 184 .pr_type = SOCK_SEQPACKET, 185 .pr_domain = &inet6domain, 186 .pr_protocol = IPPROTO_SCTP, 187 .pr_flags = PR_WANTRCVD, 188 .pr_input = sctp6_input, 189 .pr_ctlinput = sctp6_ctlinput, 190 .pr_ctloutput = sctp_ctloutput, 191 .pr_drain = sctp_drain, 192 .pr_usrreqs = &sctp6_usrreqs 193 }, 194 195 { 196 .pr_type = SOCK_STREAM, 197 .pr_domain = &inet6domain, 198 .pr_protocol = IPPROTO_SCTP, 199 .pr_flags = PR_WANTRCVD, 200 .pr_input = sctp6_input, 201 .pr_ctlinput = sctp6_ctlinput, 202 .pr_ctloutput = sctp_ctloutput, 203 .pr_drain = sctp_drain, 204 .pr_usrreqs = &sctp6_usrreqs 205 }, 206 #endif /* SCTP */ 207 { 208 .pr_type = SOCK_RAW, 209 .pr_domain = &inet6domain, 210 .pr_protocol = IPPROTO_RAW, 211 .pr_flags = PR_ATOMIC|PR_ADDR, 212 .pr_input = rip6_input, 213 .pr_output = rip6_output, 214 .pr_ctlinput = rip6_ctlinput, 215 .pr_ctloutput = rip6_ctloutput, 216 .pr_usrreqs = &rip6_usrreqs 217 }, 218 { 219 .pr_type = SOCK_RAW, 220 .pr_domain = &inet6domain, 221 .pr_protocol = IPPROTO_ICMPV6, 222 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 223 .pr_input = icmp6_input, 224 .pr_output = rip6_output, 225 .pr_ctlinput = rip6_ctlinput, 226 .pr_ctloutput = rip6_ctloutput, 227 .pr_init = icmp6_init, 228 .pr_fasttimo = icmp6_fasttimo, 229 .pr_usrreqs = &rip6_usrreqs 230 }, 231 { 232 .pr_type = SOCK_RAW, 233 .pr_domain = &inet6domain, 234 .pr_protocol = IPPROTO_DSTOPTS, 235 .pr_flags = PR_ATOMIC|PR_ADDR, 236 .pr_input = dest6_input, 237 .pr_usrreqs = &nousrreqs 238 }, 239 { 240 .pr_type = SOCK_RAW, 241 .pr_domain = &inet6domain, 242 .pr_protocol = IPPROTO_ROUTING, 243 .pr_flags = PR_ATOMIC|PR_ADDR, 244 .pr_input = route6_input, 245 .pr_usrreqs = &nousrreqs 246 }, 247 { 248 .pr_type = SOCK_RAW, 249 .pr_domain = &inet6domain, 250 .pr_protocol = IPPROTO_FRAGMENT, 251 .pr_flags = PR_ATOMIC|PR_ADDR, 252 .pr_input = frag6_input, 253 .pr_usrreqs = &nousrreqs 254 }, 255 #ifdef IPSEC 256 { 257 .pr_type = SOCK_RAW, 258 .pr_domain = &inet6domain, 259 .pr_protocol = IPPROTO_AH, 260 .pr_flags = PR_ATOMIC|PR_ADDR, 261 .pr_input = ipsec6_common_input, 262 .pr_usrreqs = &nousrreqs, 263 }, 264 { 265 .pr_type = SOCK_RAW, 266 .pr_domain = &inet6domain, 267 .pr_protocol = IPPROTO_ESP, 268 .pr_flags = PR_ATOMIC|PR_ADDR, 269 .pr_input = ipsec6_common_input, 270 .pr_ctlinput = esp6_ctlinput, 271 .pr_usrreqs = &nousrreqs, 272 }, 273 { 274 .pr_type = SOCK_RAW, 275 .pr_domain = &inet6domain, 276 .pr_protocol = IPPROTO_IPCOMP, 277 .pr_flags = PR_ATOMIC|PR_ADDR, 278 .pr_input = ipsec6_common_input, 279 .pr_usrreqs = &nousrreqs, 280 }, 281 #endif /* IPSEC */ 282 #ifdef INET 283 { 284 .pr_type = SOCK_RAW, 285 .pr_domain = &inet6domain, 286 .pr_protocol = IPPROTO_IPV4, 287 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 288 .pr_input = encap6_input, 289 .pr_output = rip6_output, 290 .pr_ctloutput = rip6_ctloutput, 291 .pr_init = encap_init, 292 .pr_usrreqs = &rip6_usrreqs 293 }, 294 #endif /* INET */ 295 { 296 .pr_type = SOCK_RAW, 297 .pr_domain = &inet6domain, 298 .pr_protocol = IPPROTO_IPV6, 299 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 300 .pr_input = encap6_input, 301 .pr_output = rip6_output, 302 .pr_ctloutput = rip6_ctloutput, 303 .pr_init = encap_init, 304 .pr_usrreqs = &rip6_usrreqs 305 }, 306 { 307 .pr_type = SOCK_RAW, 308 .pr_domain = &inet6domain, 309 .pr_protocol = IPPROTO_PIM, 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_usrreqs = &rip6_usrreqs 315 }, 316 #ifdef DEV_CARP 317 { 318 .pr_type = SOCK_RAW, 319 .pr_domain = &inet6domain, 320 .pr_protocol = IPPROTO_CARP, 321 .pr_flags = PR_ATOMIC|PR_ADDR, 322 .pr_input = carp6_input, 323 .pr_output = rip6_output, 324 .pr_ctloutput = rip6_ctloutput, 325 .pr_usrreqs = &rip6_usrreqs 326 }, 327 #endif /* DEV_CARP */ 328 /* raw wildcard */ 329 { 330 .pr_type = SOCK_RAW, 331 .pr_domain = &inet6domain, 332 .pr_flags = PR_ATOMIC|PR_ADDR, 333 .pr_input = rip6_input, 334 .pr_output = rip6_output, 335 .pr_ctloutput = rip6_ctloutput, 336 .pr_usrreqs = &rip6_usrreqs 337 }, 338 }; 339 340 extern int in6_inithead __P((void **, int)); 341 342 struct domain inet6domain = { 343 .dom_family = AF_INET6, 344 .dom_name = "internet6", 345 .dom_protosw = (struct protosw *)inet6sw, 346 .dom_protoswNPROTOSW = (struct protosw *) 347 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 348 .dom_rtattach = in6_inithead, 349 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 350 .dom_maxrtkey = sizeof(struct sockaddr_in6), 351 .dom_ifattach = in6_domifattach, 352 .dom_ifdetach = in6_domifdetach 353 }; 354 355 DOMAIN_SET(inet6); 356 357 /* 358 * Internet configuration info 359 */ 360 #ifndef IPV6FORWARDING 361 #ifdef GATEWAY6 362 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 363 #else 364 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 365 #endif /* GATEWAY6 */ 366 #endif /* !IPV6FORWARDING */ 367 368 #ifndef IPV6_SENDREDIRECTS 369 #define IPV6_SENDREDIRECTS 1 370 #endif 371 372 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 373 int ip6_sendredirects = IPV6_SENDREDIRECTS; 374 int ip6_defhlim = IPV6_DEFHLIM; 375 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 376 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 377 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 378 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 379 int ip6_log_interval = 5; 380 int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 381 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 382 int ip6_auto_flowlabel = 1; 383 int ip6_gif_hlim = 0; 384 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 385 int ip6_rr_prune = 5; /* router renumbering prefix 386 * walk list every 5 sec. */ 387 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 388 int ip6_v6only = 1; 389 390 int ip6_keepfaith = 0; 391 time_t ip6_log_time = (time_t)0L; 392 #ifdef IPSTEALTH 393 int ip6stealth = 0; 394 #endif 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 = 60*10; 403 int pmtu_probe = 60*2; 404 405 /* raw IP6 parameters */ 406 /* 407 * Nominal space allocated to a raw ip socket. 408 */ 409 #define RIPV6SNDQ 8192 410 #define RIPV6RCVQ 8192 411 412 u_long rip6_sendspace = RIPV6SNDQ; 413 u_long rip6_recvspace = RIPV6RCVQ; 414 415 /* ICMPV6 parameters */ 416 int icmp6_rediraccept = 1; /* accept and process redirects */ 417 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 418 int icmp6errppslim = 100; /* 100pps */ 419 /* control how to respond to NI queries */ 420 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 421 422 /* UDP on IP6 parameters */ 423 int udp6_sendspace = 9216; /* really max datagram size */ 424 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 425 /* 40 1K datagrams */ 426 427 /* 428 * sysctl related items. 429 */ 430 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 431 "Internet6 Family"); 432 433 /* net.inet6 */ 434 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 435 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 436 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 437 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 438 #ifdef SCTP 439 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 440 #endif 441 #ifdef IPSEC 442 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 443 #endif /* IPSEC */ 444 445 /* net.inet6.ip6 */ 446 static int 447 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 448 { 449 int error = 0; 450 int old; 451 452 error = SYSCTL_OUT(req, arg1, sizeof(int)); 453 if (error || !req->newptr) 454 return (error); 455 old = ip6_temp_preferred_lifetime; 456 error = SYSCTL_IN(req, arg1, sizeof(int)); 457 if (ip6_temp_preferred_lifetime < 458 ip6_desync_factor + ip6_temp_regen_advance) { 459 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 int error = 0; 469 int old; 470 471 error = SYSCTL_OUT(req, arg1, sizeof(int)); 472 if (error || !req->newptr) 473 return (error); 474 old = ip6_temp_valid_lifetime; 475 error = SYSCTL_IN(req, arg1, sizeof(int)); 476 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 477 ip6_temp_preferred_lifetime = old; 478 return (EINVAL); 479 } 480 return (error); 481 } 482 483 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 484 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 485 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 486 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 487 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 488 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 489 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 490 &ip6stat, ip6stat, ""); 491 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 492 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 493 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 494 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 495 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 496 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 497 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 498 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 499 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 500 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 501 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 502 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 503 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 504 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 505 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 506 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 507 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 508 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 509 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 510 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 511 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 512 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 513 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 514 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 515 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 516 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 517 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 518 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 519 sysctl_ip6_temppltime, "I", ""); 520 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 521 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 522 sysctl_ip6_tempvltime, "I", ""); 523 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 524 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 525 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 526 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 527 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 528 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 529 &rip6stat, rip6stat, ""); 530 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 531 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 532 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 533 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 534 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 535 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 536 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 537 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 538 #ifdef IPSTEALTH 539 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 540 &ip6stealth, 0, ""); 541 #endif 542 543 /* net.inet6.icmp6 */ 544 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 545 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 546 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 547 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 548 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 549 &icmp6stat, icmp6stat, ""); 550 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 551 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 552 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 553 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 554 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 555 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 556 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 557 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 558 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 559 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 560 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 561 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 562 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 563 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 564 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 565 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 566 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 567 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 568