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/protosw.h> 78 #include <sys/kernel.h> 79 #include <sys/domain.h> 80 #include <sys/mbuf.h> 81 #include <sys/systm.h> 82 #include <sys/sysctl.h> 83 #include <sys/vimage.h> 84 85 #include <net/if.h> 86 #include <net/radix.h> 87 #include <net/route.h> 88 #ifdef RADIX_MPATH 89 #include <net/radix_mpath.h> 90 #endif 91 92 #include <netinet/in.h> 93 #include <netinet/in_systm.h> 94 #include <netinet/in_var.h> 95 #include <netinet/ip_encap.h> 96 #include <netinet/ip.h> 97 #include <netinet/ip_var.h> 98 #include <netinet/ip6.h> 99 #include <netinet6/ip6_var.h> 100 #include <netinet/icmp6.h> 101 102 #include <netinet/tcp.h> 103 #include <netinet/tcp_timer.h> 104 #include <netinet/tcp_var.h> 105 #include <netinet/udp.h> 106 #include <netinet/udp_var.h> 107 #include <netinet6/tcp6_var.h> 108 #include <netinet6/raw_ip6.h> 109 #include <netinet6/udp6_var.h> 110 #include <netinet6/pim6_var.h> 111 #include <netinet6/nd6.h> 112 113 #ifdef DEV_CARP 114 #include <netinet/ip_carp.h> 115 #endif 116 117 #ifdef SCTP 118 #include <netinet/in_pcb.h> 119 #include <netinet/sctp_pcb.h> 120 #include <netinet/sctp.h> 121 #include <netinet/sctp_var.h> 122 #include <netinet6/sctp6_var.h> 123 #endif /* SCTP */ 124 125 #ifdef IPSEC 126 #include <netipsec/ipsec.h> 127 #include <netipsec/ipsec6.h> 128 #endif /* IPSEC */ 129 130 #include <netinet6/ip6protosw.h> 131 132 /* 133 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 134 */ 135 136 extern struct domain inet6domain; 137 static struct pr_usrreqs nousrreqs; 138 139 #define PR_LISTEN 0 140 #define PR_ABRTACPTDIS 0 141 142 struct ip6protosw inet6sw[] = { 143 { 144 .pr_type = 0, 145 .pr_domain = &inet6domain, 146 .pr_protocol = IPPROTO_IPV6, 147 .pr_init = ip6_init, 148 .pr_slowtimo = frag6_slowtimo, 149 .pr_drain = frag6_drain, 150 .pr_usrreqs = &nousrreqs, 151 }, 152 { 153 .pr_type = SOCK_DGRAM, 154 .pr_domain = &inet6domain, 155 .pr_protocol = IPPROTO_UDP, 156 .pr_flags = PR_ATOMIC|PR_ADDR, 157 .pr_input = udp6_input, 158 .pr_ctlinput = udp6_ctlinput, 159 .pr_ctloutput = ip6_ctloutput, 160 .pr_usrreqs = &udp6_usrreqs, 161 }, 162 { 163 .pr_type = SOCK_STREAM, 164 .pr_domain = &inet6domain, 165 .pr_protocol = IPPROTO_TCP, 166 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 167 .pr_input = tcp6_input, 168 .pr_ctlinput = tcp6_ctlinput, 169 .pr_ctloutput = tcp_ctloutput, 170 #ifndef INET /* don't call initialization and timeout routines twice */ 171 .pr_init = tcp_init, 172 .pr_fasttimo = tcp_fasttimo, 173 .pr_slowtimo = tcp_slowtimo, 174 #endif 175 .pr_drain = tcp_drain, 176 .pr_usrreqs = &tcp6_usrreqs, 177 }, 178 #ifdef SCTP 179 { 180 .pr_type = SOCK_DGRAM, 181 .pr_domain = &inet6domain, 182 .pr_protocol = IPPROTO_SCTP, 183 .pr_flags = PR_WANTRCVD, 184 .pr_input = sctp6_input, 185 .pr_ctlinput = sctp6_ctlinput, 186 .pr_ctloutput = sctp_ctloutput, 187 .pr_drain = sctp_drain, 188 .pr_usrreqs = &sctp6_usrreqs 189 }, 190 { 191 .pr_type = SOCK_SEQPACKET, 192 .pr_domain = &inet6domain, 193 .pr_protocol = IPPROTO_SCTP, 194 .pr_flags = PR_WANTRCVD, 195 .pr_input = sctp6_input, 196 .pr_ctlinput = sctp6_ctlinput, 197 .pr_ctloutput = sctp_ctloutput, 198 .pr_drain = sctp_drain, 199 .pr_usrreqs = &sctp6_usrreqs 200 }, 201 202 { 203 .pr_type = SOCK_STREAM, 204 .pr_domain = &inet6domain, 205 .pr_protocol = IPPROTO_SCTP, 206 .pr_flags = PR_WANTRCVD, 207 .pr_input = sctp6_input, 208 .pr_ctlinput = sctp6_ctlinput, 209 .pr_ctloutput = sctp_ctloutput, 210 .pr_drain = sctp_drain, 211 .pr_usrreqs = &sctp6_usrreqs 212 }, 213 #endif /* SCTP */ 214 { 215 .pr_type = SOCK_RAW, 216 .pr_domain = &inet6domain, 217 .pr_protocol = IPPROTO_RAW, 218 .pr_flags = PR_ATOMIC|PR_ADDR, 219 .pr_input = rip6_input, 220 .pr_output = rip6_output, 221 .pr_ctlinput = rip6_ctlinput, 222 .pr_ctloutput = rip6_ctloutput, 223 .pr_usrreqs = &rip6_usrreqs 224 }, 225 { 226 .pr_type = SOCK_RAW, 227 .pr_domain = &inet6domain, 228 .pr_protocol = IPPROTO_ICMPV6, 229 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 230 .pr_input = icmp6_input, 231 .pr_output = rip6_output, 232 .pr_ctlinput = rip6_ctlinput, 233 .pr_ctloutput = rip6_ctloutput, 234 .pr_init = icmp6_init, 235 .pr_fasttimo = icmp6_fasttimo, 236 .pr_usrreqs = &rip6_usrreqs 237 }, 238 { 239 .pr_type = SOCK_RAW, 240 .pr_domain = &inet6domain, 241 .pr_protocol = IPPROTO_DSTOPTS, 242 .pr_flags = PR_ATOMIC|PR_ADDR, 243 .pr_input = dest6_input, 244 .pr_usrreqs = &nousrreqs 245 }, 246 { 247 .pr_type = SOCK_RAW, 248 .pr_domain = &inet6domain, 249 .pr_protocol = IPPROTO_ROUTING, 250 .pr_flags = PR_ATOMIC|PR_ADDR, 251 .pr_input = route6_input, 252 .pr_usrreqs = &nousrreqs 253 }, 254 { 255 .pr_type = SOCK_RAW, 256 .pr_domain = &inet6domain, 257 .pr_protocol = IPPROTO_FRAGMENT, 258 .pr_flags = PR_ATOMIC|PR_ADDR, 259 .pr_input = frag6_input, 260 .pr_usrreqs = &nousrreqs 261 }, 262 #ifdef IPSEC 263 { 264 .pr_type = SOCK_RAW, 265 .pr_domain = &inet6domain, 266 .pr_protocol = IPPROTO_AH, 267 .pr_flags = PR_ATOMIC|PR_ADDR, 268 .pr_input = ipsec6_common_input, 269 .pr_usrreqs = &nousrreqs, 270 }, 271 { 272 .pr_type = SOCK_RAW, 273 .pr_domain = &inet6domain, 274 .pr_protocol = IPPROTO_ESP, 275 .pr_flags = PR_ATOMIC|PR_ADDR, 276 .pr_input = ipsec6_common_input, 277 .pr_ctlinput = esp6_ctlinput, 278 .pr_usrreqs = &nousrreqs, 279 }, 280 { 281 .pr_type = SOCK_RAW, 282 .pr_domain = &inet6domain, 283 .pr_protocol = IPPROTO_IPCOMP, 284 .pr_flags = PR_ATOMIC|PR_ADDR, 285 .pr_input = ipsec6_common_input, 286 .pr_usrreqs = &nousrreqs, 287 }, 288 #endif /* IPSEC */ 289 #ifdef INET 290 { 291 .pr_type = SOCK_RAW, 292 .pr_domain = &inet6domain, 293 .pr_protocol = IPPROTO_IPV4, 294 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 295 .pr_input = encap6_input, 296 .pr_output = rip6_output, 297 .pr_ctloutput = rip6_ctloutput, 298 .pr_init = encap_init, 299 .pr_usrreqs = &rip6_usrreqs 300 }, 301 #endif /* INET */ 302 { 303 .pr_type = SOCK_RAW, 304 .pr_domain = &inet6domain, 305 .pr_protocol = IPPROTO_IPV6, 306 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 307 .pr_input = encap6_input, 308 .pr_output = rip6_output, 309 .pr_ctloutput = rip6_ctloutput, 310 .pr_init = encap_init, 311 .pr_usrreqs = &rip6_usrreqs 312 }, 313 { 314 .pr_type = SOCK_RAW, 315 .pr_domain = &inet6domain, 316 .pr_protocol = IPPROTO_PIM, 317 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 318 .pr_input = encap6_input, 319 .pr_output = rip6_output, 320 .pr_ctloutput = rip6_ctloutput, 321 .pr_usrreqs = &rip6_usrreqs 322 }, 323 #ifdef DEV_CARP 324 { 325 .pr_type = SOCK_RAW, 326 .pr_domain = &inet6domain, 327 .pr_protocol = IPPROTO_CARP, 328 .pr_flags = PR_ATOMIC|PR_ADDR, 329 .pr_input = carp6_input, 330 .pr_output = rip6_output, 331 .pr_ctloutput = rip6_ctloutput, 332 .pr_usrreqs = &rip6_usrreqs 333 }, 334 #endif /* DEV_CARP */ 335 /* raw wildcard */ 336 { 337 .pr_type = SOCK_RAW, 338 .pr_domain = &inet6domain, 339 .pr_flags = PR_ATOMIC|PR_ADDR, 340 .pr_input = rip6_input, 341 .pr_output = rip6_output, 342 .pr_ctloutput = rip6_ctloutput, 343 .pr_usrreqs = &rip6_usrreqs 344 }, 345 }; 346 347 extern int in6_inithead(void **, int); 348 349 struct domain inet6domain = { 350 .dom_family = AF_INET6, 351 .dom_name = "internet6", 352 .dom_protosw = (struct protosw *)inet6sw, 353 .dom_protoswNPROTOSW = (struct protosw *) 354 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 355 #ifdef RADIX_MPATH 356 .dom_rtattach = rn6_mpath_inithead, 357 #else 358 .dom_rtattach = in6_inithead, 359 #endif 360 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 361 .dom_maxrtkey = sizeof(struct sockaddr_in6), 362 .dom_ifattach = in6_domifattach, 363 .dom_ifdetach = in6_domifdetach 364 }; 365 366 DOMAIN_SET(inet6); 367 368 /* 369 * Internet configuration info 370 */ 371 #ifndef IPV6FORWARDING 372 #ifdef GATEWAY6 373 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 374 #else 375 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 376 #endif /* GATEWAY6 */ 377 #endif /* !IPV6FORWARDING */ 378 379 #ifndef IPV6_SENDREDIRECTS 380 #define IPV6_SENDREDIRECTS 1 381 #endif 382 383 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 384 int ip6_sendredirects = IPV6_SENDREDIRECTS; 385 int ip6_defhlim = IPV6_DEFHLIM; 386 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 387 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 388 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 389 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 390 int ip6_log_interval = 5; 391 int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 392 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 393 int ip6_auto_flowlabel = 1; 394 int ip6_gif_hlim = 0; 395 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 396 int ip6_rr_prune = 5; /* router renumbering prefix 397 * walk list every 5 sec. */ 398 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 399 int ip6_v6only = 1; 400 401 int ip6_keepfaith = 0; 402 time_t ip6_log_time = (time_t)0L; 403 #ifdef IPSTEALTH 404 int ip6stealth = 0; 405 #endif 406 407 /* icmp6 */ 408 /* 409 * BSDI4 defines these variables in in_proto.c... 410 * XXX: what if we don't define INET? Should we define pmtu6_expire 411 * or so? (jinmei@kame.net 19990310) 412 */ 413 int pmtu_expire = 60*10; 414 int pmtu_probe = 60*2; 415 416 /* raw IP6 parameters */ 417 /* 418 * Nominal space allocated to a raw ip socket. 419 */ 420 #define RIPV6SNDQ 8192 421 #define RIPV6RCVQ 8192 422 423 u_long rip6_sendspace = RIPV6SNDQ; 424 u_long rip6_recvspace = RIPV6RCVQ; 425 426 /* ICMPV6 parameters */ 427 int icmp6_rediraccept = 1; /* accept and process redirects */ 428 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 429 int icmp6errppslim = 100; /* 100pps */ 430 /* control how to respond to NI queries */ 431 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 432 433 /* UDP on IP6 parameters */ 434 int udp6_sendspace = 9216; /* really max datagram size */ 435 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 436 /* 40 1K datagrams */ 437 438 /* 439 * sysctl related items. 440 */ 441 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 442 "Internet6 Family"); 443 444 /* net.inet6 */ 445 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 446 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 447 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 448 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 449 #ifdef SCTP 450 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 451 #endif 452 #ifdef IPSEC 453 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 454 #endif /* IPSEC */ 455 456 /* net.inet6.ip6 */ 457 static int 458 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 459 { 460 int error = 0; 461 int old; 462 463 error = SYSCTL_OUT(req, arg1, sizeof(int)); 464 if (error || !req->newptr) 465 return (error); 466 old = V_ip6_temp_preferred_lifetime; 467 error = SYSCTL_IN(req, arg1, sizeof(int)); 468 if (V_ip6_temp_preferred_lifetime < 469 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 470 V_ip6_temp_preferred_lifetime = old; 471 return (EINVAL); 472 } 473 return (error); 474 } 475 476 static int 477 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 478 { 479 int error = 0; 480 int old; 481 482 error = SYSCTL_OUT(req, arg1, sizeof(int)); 483 if (error || !req->newptr) 484 return (error); 485 old = V_ip6_temp_valid_lifetime; 486 error = SYSCTL_IN(req, arg1, sizeof(int)); 487 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 488 V_ip6_temp_preferred_lifetime = old; 489 return (EINVAL); 490 } 491 return (error); 492 } 493 494 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 495 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 496 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 497 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 498 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 499 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 500 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 501 &ip6stat, ip6stat, ""); 502 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 503 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 504 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 505 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 506 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 507 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 508 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 509 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 510 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 511 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 512 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 513 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 514 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 515 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 516 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 517 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 518 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 519 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 520 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 521 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 522 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 523 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 524 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 525 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 526 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 527 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 528 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 529 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 530 sysctl_ip6_temppltime, "I", ""); 531 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 532 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 533 sysctl_ip6_tempvltime, "I", ""); 534 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 535 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 536 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 537 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 538 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 539 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 540 &rip6stat, rip6stat, ""); 541 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 542 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 543 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 544 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 545 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 546 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 547 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 548 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 549 #ifdef IPSTEALTH 550 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 551 &ip6stealth, 0, ""); 552 #endif 553 554 /* net.inet6.icmp6 */ 555 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 556 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 557 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 558 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 559 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 560 &icmp6stat, icmp6stat, ""); 561 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 562 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 563 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 564 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 565 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 566 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 567 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 568 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 569 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 570 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 571 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 572 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 573 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 574 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 575 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 576 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 577 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 578 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 579