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sys/netinet6/in6_proto.c
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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: releng/8.4/sys/netinet6/in6_proto.c 231453 2012-02-10 22:26:33Z tuexen $"); 65 66 #include "opt_inet.h" 67 #include "opt_inet6.h" 68 #include "opt_ipsec.h" 69 #include "opt_ipstealth.h" 70 #include "opt_sctp.h" 71 #include "opt_mpath.h" 72 73 #include <sys/param.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/proc.h> 77 #include <sys/protosw.h> 78 #include <sys/jail.h> 79 #include <sys/kernel.h> 80 #include <sys/domain.h> 81 #include <sys/mbuf.h> 82 #include <sys/systm.h> 83 #include <sys/sysctl.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 SCTP 114 #include <netinet/in_pcb.h> 115 #include <netinet/sctp_pcb.h> 116 #include <netinet/sctp.h> 117 #include <netinet/sctp_var.h> 118 #include <netinet6/sctp6_var.h> 119 #endif /* SCTP */ 120 121 #ifdef IPSEC 122 #include <netipsec/ipsec.h> 123 #include <netipsec/ipsec6.h> 124 #endif /* IPSEC */ 125 126 #include <netinet6/ip6protosw.h> 127 128 /* 129 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 130 */ 131 FEATURE(inet6, "Internet Protocol version 6"); 132 133 extern struct domain inet6domain; 134 static struct pr_usrreqs nousrreqs; 135 136 #define PR_LISTEN 0 137 #define PR_ABRTACPTDIS 0 138 139 /* Spacer for loadable protocols. */ 140 #define IP6PROTOSPACER \ 141 { \ 142 .pr_domain = &inet6domain, \ 143 .pr_protocol = PROTO_SPACER, \ 144 .pr_usrreqs = &nousrreqs \ 145 } 146 147 struct ip6protosw inet6sw[] = { 148 { 149 .pr_type = 0, 150 .pr_domain = &inet6domain, 151 .pr_protocol = IPPROTO_IPV6, 152 .pr_init = ip6_init, 153 #ifdef VIMAGE 154 .pr_destroy = ip6_destroy, 155 #endif 156 .pr_slowtimo = frag6_slowtimo, 157 .pr_drain = frag6_drain, 158 .pr_usrreqs = &nousrreqs, 159 }, 160 { 161 .pr_type = SOCK_DGRAM, 162 .pr_domain = &inet6domain, 163 .pr_protocol = IPPROTO_UDP, 164 .pr_flags = PR_ATOMIC|PR_ADDR, 165 .pr_input = udp6_input, 166 .pr_ctlinput = udp6_ctlinput, 167 .pr_ctloutput = ip6_ctloutput, 168 .pr_usrreqs = &udp6_usrreqs, 169 }, 170 { 171 .pr_type = SOCK_STREAM, 172 .pr_domain = &inet6domain, 173 .pr_protocol = IPPROTO_TCP, 174 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 175 .pr_input = tcp6_input, 176 .pr_ctlinput = tcp6_ctlinput, 177 .pr_ctloutput = tcp_ctloutput, 178 #ifndef INET /* don't call initialization and timeout routines twice */ 179 .pr_init = tcp_init, 180 .pr_slowtimo = tcp_slowtimo, 181 #endif 182 .pr_drain = tcp_drain, 183 .pr_usrreqs = &tcp6_usrreqs, 184 }, 185 #ifdef SCTP 186 { 187 .pr_type = SOCK_SEQPACKET, 188 .pr_domain = &inet6domain, 189 .pr_protocol = IPPROTO_SCTP, 190 .pr_flags = PR_WANTRCVD, 191 .pr_input = sctp6_input, 192 .pr_ctlinput = sctp6_ctlinput, 193 .pr_ctloutput = sctp_ctloutput, 194 .pr_drain = sctp_drain, 195 #ifndef INET /* Do not call initialization twice. */ 196 .pr_init = sctp_init, 197 #endif 198 .pr_usrreqs = &sctp6_usrreqs 199 }, 200 { 201 .pr_type = SOCK_STREAM, 202 .pr_domain = &inet6domain, 203 .pr_protocol = IPPROTO_SCTP, 204 .pr_flags = PR_WANTRCVD, 205 .pr_input = sctp6_input, 206 .pr_ctlinput = sctp6_ctlinput, 207 .pr_ctloutput = sctp_ctloutput, 208 .pr_drain = sctp_drain, 209 .pr_usrreqs = &sctp6_usrreqs 210 }, 211 #endif /* SCTP */ 212 { 213 .pr_type = SOCK_RAW, 214 .pr_domain = &inet6domain, 215 .pr_protocol = IPPROTO_RAW, 216 .pr_flags = PR_ATOMIC|PR_ADDR, 217 .pr_input = rip6_input, 218 .pr_output = rip6_output, 219 .pr_ctlinput = rip6_ctlinput, 220 .pr_ctloutput = rip6_ctloutput, 221 .pr_usrreqs = &rip6_usrreqs 222 }, 223 { 224 .pr_type = SOCK_RAW, 225 .pr_domain = &inet6domain, 226 .pr_protocol = IPPROTO_ICMPV6, 227 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 228 .pr_input = icmp6_input, 229 .pr_output = rip6_output, 230 .pr_ctlinput = rip6_ctlinput, 231 .pr_ctloutput = rip6_ctloutput, 232 .pr_fasttimo = icmp6_fasttimo, 233 .pr_slowtimo = icmp6_slowtimo, 234 .pr_usrreqs = &rip6_usrreqs 235 }, 236 { 237 .pr_type = SOCK_RAW, 238 .pr_domain = &inet6domain, 239 .pr_protocol = IPPROTO_DSTOPTS, 240 .pr_flags = PR_ATOMIC|PR_ADDR, 241 .pr_input = dest6_input, 242 .pr_usrreqs = &nousrreqs 243 }, 244 { 245 .pr_type = SOCK_RAW, 246 .pr_domain = &inet6domain, 247 .pr_protocol = IPPROTO_ROUTING, 248 .pr_flags = PR_ATOMIC|PR_ADDR, 249 .pr_input = route6_input, 250 .pr_usrreqs = &nousrreqs 251 }, 252 { 253 .pr_type = SOCK_RAW, 254 .pr_domain = &inet6domain, 255 .pr_protocol = IPPROTO_FRAGMENT, 256 .pr_flags = PR_ATOMIC|PR_ADDR, 257 .pr_input = frag6_input, 258 .pr_usrreqs = &nousrreqs 259 }, 260 #ifdef IPSEC 261 { 262 .pr_type = SOCK_RAW, 263 .pr_domain = &inet6domain, 264 .pr_protocol = IPPROTO_AH, 265 .pr_flags = PR_ATOMIC|PR_ADDR, 266 .pr_input = ipsec6_common_input, 267 .pr_usrreqs = &nousrreqs, 268 }, 269 { 270 .pr_type = SOCK_RAW, 271 .pr_domain = &inet6domain, 272 .pr_protocol = IPPROTO_ESP, 273 .pr_flags = PR_ATOMIC|PR_ADDR, 274 .pr_input = ipsec6_common_input, 275 .pr_ctlinput = esp6_ctlinput, 276 .pr_usrreqs = &nousrreqs, 277 }, 278 { 279 .pr_type = SOCK_RAW, 280 .pr_domain = &inet6domain, 281 .pr_protocol = IPPROTO_IPCOMP, 282 .pr_flags = PR_ATOMIC|PR_ADDR, 283 .pr_input = ipsec6_common_input, 284 .pr_usrreqs = &nousrreqs, 285 }, 286 #endif /* IPSEC */ 287 #ifdef INET 288 { 289 .pr_type = SOCK_RAW, 290 .pr_domain = &inet6domain, 291 .pr_protocol = IPPROTO_IPV4, 292 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 293 .pr_input = encap6_input, 294 .pr_output = rip6_output, 295 .pr_ctloutput = rip6_ctloutput, 296 .pr_init = encap_init, 297 .pr_usrreqs = &rip6_usrreqs 298 }, 299 #endif /* INET */ 300 { 301 .pr_type = SOCK_RAW, 302 .pr_domain = &inet6domain, 303 .pr_protocol = IPPROTO_IPV6, 304 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 305 .pr_input = encap6_input, 306 .pr_output = rip6_output, 307 .pr_ctloutput = rip6_ctloutput, 308 .pr_init = encap_init, 309 .pr_usrreqs = &rip6_usrreqs 310 }, 311 { 312 .pr_type = SOCK_RAW, 313 .pr_domain = &inet6domain, 314 .pr_protocol = IPPROTO_PIM, 315 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 316 .pr_input = encap6_input, 317 .pr_output = rip6_output, 318 .pr_ctloutput = rip6_ctloutput, 319 .pr_usrreqs = &rip6_usrreqs 320 }, 321 /* Spacer n-times for loadable protocols. */ 322 IP6PROTOSPACER, 323 IP6PROTOSPACER, 324 IP6PROTOSPACER, 325 IP6PROTOSPACER, 326 IP6PROTOSPACER, 327 IP6PROTOSPACER, 328 IP6PROTOSPACER, 329 IP6PROTOSPACER, 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 #ifdef VIMAGE 344 extern int in6_detachhead(void **, int); 345 #endif 346 347 struct domain inet6domain = { 348 .dom_family = AF_INET6, 349 .dom_name = "internet6", 350 .dom_protosw = (struct protosw *)inet6sw, 351 .dom_protoswNPROTOSW = (struct protosw *) 352 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 353 #ifdef RADIX_MPATH 354 .dom_rtattach = rn6_mpath_inithead, 355 #else 356 .dom_rtattach = in6_inithead, 357 #endif 358 #ifdef VIMAGE 359 .dom_rtdetach = in6_detachhead, 360 #endif 361 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 362 .dom_maxrtkey = sizeof(struct sockaddr_in6), 363 .dom_ifattach = in6_domifattach, 364 .dom_ifdetach = in6_domifdetach 365 }; 366 367 VNET_DOMAIN_SET(inet6); 368 369 /* 370 * Internet configuration info 371 */ 372 #ifndef IPV6FORWARDING 373 #ifdef GATEWAY6 374 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 375 #else 376 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 377 #endif /* GATEWAY6 */ 378 #endif /* !IPV6FORWARDING */ 379 380 #ifndef IPV6_SENDREDIRECTS 381 #define IPV6_SENDREDIRECTS 1 382 #endif 383 384 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 385 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 386 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 387 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 388 VNET_DEFINE(int, ip6_accept_rtadv) = 0; 389 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 390 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 391 VNET_DEFINE(int, ip6_log_interval) = 5; 392 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 393 * process? */ 394 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 395 VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 396 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 397 * (RFC2462 5.5.4) */ 398 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 399 * walk list every 5 sec. */ 400 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 401 VNET_DEFINE(int, ip6_v6only) = 1; 402 403 VNET_DEFINE(int, ip6_keepfaith) = 0; 404 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 405 #ifdef IPSTEALTH 406 VNET_DEFINE(int, ip6stealth) = 0; 407 #endif 408 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 409 * (RFC 4861) */ 410 411 /* icmp6 */ 412 /* 413 * BSDI4 defines these variables in in_proto.c... 414 * XXX: what if we don't define INET? Should we define pmtu6_expire 415 * or so? (jinmei@kame.net 19990310) 416 */ 417 VNET_DEFINE(int, pmtu_expire) = 60*10; 418 VNET_DEFINE(int, pmtu_probe) = 60*2; 419 420 /* raw IP6 parameters */ 421 /* 422 * Nominal space allocated to a raw ip socket. 423 */ 424 #define RIPV6SNDQ 8192 425 #define RIPV6RCVQ 8192 426 427 VNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ; 428 VNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ; 429 430 /* ICMPV6 parameters */ 431 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 432 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 433 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 434 /* control how to respond to NI queries */ 435 VNET_DEFINE(int, icmp6_nodeinfo) = 436 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 437 438 /* UDP on IP6 parameters */ 439 VNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */ 440 VNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6)); 441 /* 40 1K datagrams */ 442 443 /* 444 * sysctl related items. 445 */ 446 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 447 "Internet6 Family"); 448 449 /* net.inet6 */ 450 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 451 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 452 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 453 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 454 #ifdef SCTP 455 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 456 #endif 457 #ifdef IPSEC 458 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 459 #endif /* IPSEC */ 460 461 /* net.inet6.ip6 */ 462 static int 463 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 464 { 465 int error = 0; 466 int old; 467 468 VNET_SYSCTL_ARG(req, arg1); 469 470 error = SYSCTL_OUT(req, arg1, sizeof(int)); 471 if (error || !req->newptr) 472 return (error); 473 old = V_ip6_temp_preferred_lifetime; 474 error = SYSCTL_IN(req, arg1, sizeof(int)); 475 if (V_ip6_temp_preferred_lifetime < 476 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 477 V_ip6_temp_preferred_lifetime = old; 478 return (EINVAL); 479 } 480 return (error); 481 } 482 483 static int 484 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 485 { 486 int error = 0; 487 int old; 488 489 VNET_SYSCTL_ARG(req, arg1); 490 491 error = SYSCTL_OUT(req, arg1, sizeof(int)); 492 if (error || !req->newptr) 493 return (error); 494 old = V_ip6_temp_valid_lifetime; 495 error = SYSCTL_IN(req, arg1, sizeof(int)); 496 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 497 V_ip6_temp_preferred_lifetime = old; 498 return (EINVAL); 499 } 500 return (error); 501 } 502 503 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 504 &VNET_NAME(ip6_forwarding), 0, ""); 505 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 506 &VNET_NAME(ip6_sendredirects), 0, ""); 507 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 508 &VNET_NAME(ip6_defhlim), 0, ""); 509 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 510 &VNET_NAME(ip6stat), ip6stat, ""); 511 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 512 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 513 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 514 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, ""); 515 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 516 &VNET_NAME(ip6_keepfaith), 0, ""); 517 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 518 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 520 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 521 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 522 &VNET_NAME(ip6_dad_count), 0, ""); 523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 524 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 525 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 526 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 527 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 528 CTLFLAG_RD, __KAME_VERSION, 0, ""); 529 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 530 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 532 &VNET_NAME(ip6_rr_prune), 0, ""); 533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 534 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 535 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 536 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 537 sysctl_ip6_temppltime, "I", ""); 538 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 539 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 540 sysctl_ip6_tempvltime, "I", ""); 541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 542 &VNET_NAME(ip6_v6only), 0, ""); 543 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 544 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, ""); 545 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 546 &VNET_NAME(rip6stat), rip6stat, ""); 547 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 548 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 549 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 550 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 551 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 552 &VNET_NAME(ip6_maxfrags), 0, ""); 553 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 554 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 555 #ifdef IPSTEALTH 556 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 557 &VNET_NAME(ip6stealth), 0, ""); 558 #endif 559 560 /* net.inet6.icmp6 */ 561 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 562 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 563 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 564 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 565 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 566 &VNET_NAME(icmp6stat), icmp6stat, ""); 567 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 568 &VNET_NAME(nd6_prune), 0, ""); 569 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 570 &VNET_NAME(nd6_delay), 0, ""); 571 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 572 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 573 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 574 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 575 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 576 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 577 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 578 &VNET_NAME(icmp6_nodeinfo), 0, ""); 579 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 580 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 581 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 582 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 583 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 584 &VNET_NAME(nd6_debug), 0, ""); 585 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 586 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 587 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
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