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_sctp.h" 71 #include "opt_mpath.h" 72 #include "opt_route.h" 73 74 #include <sys/param.h> 75 #include <sys/socket.h> 76 #include <sys/socketvar.h> 77 #include <sys/proc.h> 78 #include <sys/protosw.h> 79 #include <sys/jail.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 86 #include <net/if.h> 87 #include <net/if_var.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 SCTP 116 #include <netinet/in_pcb.h> 117 #include <netinet/sctp_pcb.h> 118 #include <netinet/sctp.h> 119 #include <netinet/sctp_var.h> 120 #include <netinet6/sctp6_var.h> 121 #endif /* SCTP */ 122 123 #ifdef IPSEC 124 #include <netipsec/ipsec.h> 125 #include <netipsec/ipsec6.h> 126 #endif /* IPSEC */ 127 128 #include <netinet6/ip6protosw.h> 129 130 /* 131 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 132 */ 133 FEATURE(inet6, "Internet Protocol version 6"); 134 135 extern struct domain inet6domain; 136 static struct pr_usrreqs nousrreqs; 137 138 #define PR_LISTEN 0 139 #define PR_ABRTACPTDIS 0 140 141 /* Spacer for loadable protocols. */ 142 #define IP6PROTOSPACER \ 143 { \ 144 .pr_domain = &inet6domain, \ 145 .pr_protocol = PROTO_SPACER, \ 146 .pr_usrreqs = &nousrreqs \ 147 } 148 149 struct ip6protosw inet6sw[] = { 150 { 151 .pr_type = 0, 152 .pr_domain = &inet6domain, 153 .pr_protocol = IPPROTO_IPV6, 154 .pr_init = ip6_init, 155 #ifdef VIMAGE 156 .pr_destroy = ip6_destroy, 157 #endif 158 .pr_slowtimo = frag6_slowtimo, 159 .pr_drain = frag6_drain, 160 .pr_usrreqs = &nousrreqs, 161 }, 162 { 163 .pr_type = SOCK_DGRAM, 164 .pr_domain = &inet6domain, 165 .pr_protocol = IPPROTO_UDP, 166 .pr_flags = PR_ATOMIC|PR_ADDR, 167 .pr_input = udp6_input, 168 .pr_ctlinput = udp6_ctlinput, 169 .pr_ctloutput = ip6_ctloutput, 170 #ifndef INET /* Do not call initialization twice. */ 171 .pr_init = udp_init, 172 #endif 173 .pr_usrreqs = &udp6_usrreqs, 174 }, 175 { 176 .pr_type = SOCK_STREAM, 177 .pr_domain = &inet6domain, 178 .pr_protocol = IPPROTO_TCP, 179 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 180 .pr_input = tcp6_input, 181 .pr_ctlinput = tcp6_ctlinput, 182 .pr_ctloutput = tcp_ctloutput, 183 #ifndef INET /* don't call initialization and timeout routines twice */ 184 .pr_init = tcp_init, 185 .pr_slowtimo = tcp_slowtimo, 186 #endif 187 .pr_drain = tcp_drain, 188 .pr_usrreqs = &tcp6_usrreqs, 189 }, 190 #ifdef SCTP 191 { 192 .pr_type = SOCK_SEQPACKET, 193 .pr_domain = &inet6domain, 194 .pr_protocol = IPPROTO_SCTP, 195 .pr_flags = PR_WANTRCVD, 196 .pr_input = sctp6_input, 197 .pr_ctlinput = sctp6_ctlinput, 198 .pr_ctloutput = sctp_ctloutput, 199 .pr_drain = sctp_drain, 200 #ifndef INET /* Do not call initialization twice. */ 201 .pr_init = sctp_init, 202 #endif 203 .pr_usrreqs = &sctp6_usrreqs 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 #ifndef INET /* Do not call initialization twice. */ 227 .pr_init = rip_init, 228 #endif 229 .pr_usrreqs = &rip6_usrreqs 230 }, 231 { 232 .pr_type = SOCK_RAW, 233 .pr_domain = &inet6domain, 234 .pr_protocol = IPPROTO_ICMPV6, 235 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 236 .pr_input = icmp6_input, 237 .pr_output = rip6_output, 238 .pr_ctlinput = rip6_ctlinput, 239 .pr_ctloutput = rip6_ctloutput, 240 .pr_fasttimo = icmp6_fasttimo, 241 .pr_slowtimo = icmp6_slowtimo, 242 .pr_usrreqs = &rip6_usrreqs 243 }, 244 { 245 .pr_type = SOCK_RAW, 246 .pr_domain = &inet6domain, 247 .pr_protocol = IPPROTO_DSTOPTS, 248 .pr_flags = PR_ATOMIC|PR_ADDR, 249 .pr_input = dest6_input, 250 .pr_usrreqs = &nousrreqs 251 }, 252 { 253 .pr_type = SOCK_RAW, 254 .pr_domain = &inet6domain, 255 .pr_protocol = IPPROTO_ROUTING, 256 .pr_flags = PR_ATOMIC|PR_ADDR, 257 .pr_input = route6_input, 258 .pr_usrreqs = &nousrreqs 259 }, 260 { 261 .pr_type = SOCK_RAW, 262 .pr_domain = &inet6domain, 263 .pr_protocol = IPPROTO_FRAGMENT, 264 .pr_flags = PR_ATOMIC|PR_ADDR, 265 .pr_input = frag6_input, 266 .pr_usrreqs = &nousrreqs 267 }, 268 #ifdef IPSEC 269 { 270 .pr_type = SOCK_RAW, 271 .pr_domain = &inet6domain, 272 .pr_protocol = IPPROTO_AH, 273 .pr_flags = PR_ATOMIC|PR_ADDR, 274 .pr_input = ipsec6_common_input, 275 .pr_usrreqs = &nousrreqs, 276 }, 277 { 278 .pr_type = SOCK_RAW, 279 .pr_domain = &inet6domain, 280 .pr_protocol = IPPROTO_ESP, 281 .pr_flags = PR_ATOMIC|PR_ADDR, 282 .pr_input = ipsec6_common_input, 283 .pr_ctlinput = esp6_ctlinput, 284 .pr_usrreqs = &nousrreqs, 285 }, 286 { 287 .pr_type = SOCK_RAW, 288 .pr_domain = &inet6domain, 289 .pr_protocol = IPPROTO_IPCOMP, 290 .pr_flags = PR_ATOMIC|PR_ADDR, 291 .pr_input = ipsec6_common_input, 292 .pr_usrreqs = &nousrreqs, 293 }, 294 #endif /* IPSEC */ 295 #ifdef INET 296 { 297 .pr_type = SOCK_RAW, 298 .pr_domain = &inet6domain, 299 .pr_protocol = IPPROTO_IPV4, 300 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 301 .pr_input = encap6_input, 302 .pr_output = rip6_output, 303 .pr_ctloutput = rip6_ctloutput, 304 .pr_init = encap_init, 305 .pr_usrreqs = &rip6_usrreqs 306 }, 307 #endif /* INET */ 308 { 309 .pr_type = SOCK_RAW, 310 .pr_domain = &inet6domain, 311 .pr_protocol = IPPROTO_IPV6, 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_init = encap_init, 317 .pr_usrreqs = &rip6_usrreqs 318 }, 319 { 320 .pr_type = SOCK_RAW, 321 .pr_domain = &inet6domain, 322 .pr_protocol = IPPROTO_PIM, 323 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 324 .pr_input = encap6_input, 325 .pr_output = rip6_output, 326 .pr_ctloutput = rip6_ctloutput, 327 .pr_usrreqs = &rip6_usrreqs 328 }, 329 /* Spacer n-times for loadable protocols. */ 330 IP6PROTOSPACER, 331 IP6PROTOSPACER, 332 IP6PROTOSPACER, 333 IP6PROTOSPACER, 334 IP6PROTOSPACER, 335 IP6PROTOSPACER, 336 IP6PROTOSPACER, 337 IP6PROTOSPACER, 338 /* raw wildcard */ 339 { 340 .pr_type = SOCK_RAW, 341 .pr_domain = &inet6domain, 342 .pr_flags = PR_ATOMIC|PR_ADDR, 343 .pr_input = rip6_input, 344 .pr_output = rip6_output, 345 .pr_ctloutput = rip6_ctloutput, 346 .pr_usrreqs = &rip6_usrreqs 347 }, 348 }; 349 350 extern int in6_inithead(void **, int); 351 #ifdef VIMAGE 352 extern int in6_detachhead(void **, int); 353 #endif 354 355 struct domain inet6domain = { 356 .dom_family = AF_INET6, 357 .dom_name = "internet6", 358 .dom_protosw = (struct protosw *)inet6sw, 359 .dom_protoswNPROTOSW = (struct protosw *) 360 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 361 #ifdef RADIX_MPATH 362 .dom_rtattach = rn6_mpath_inithead, 363 #else 364 .dom_rtattach = in6_inithead, 365 #endif 366 #ifdef VIMAGE 367 .dom_rtdetach = in6_detachhead, 368 #endif 369 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 370 .dom_maxrtkey = sizeof(struct sockaddr_in6), 371 .dom_ifattach = in6_domifattach, 372 .dom_ifdetach = in6_domifdetach 373 }; 374 375 VNET_DOMAIN_SET(inet6); 376 377 /* 378 * Internet configuration info 379 */ 380 #ifndef IPV6FORWARDING 381 #ifdef GATEWAY6 382 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 383 #else 384 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 385 #endif /* GATEWAY6 */ 386 #endif /* !IPV6FORWARDING */ 387 388 #ifndef IPV6_SENDREDIRECTS 389 #define IPV6_SENDREDIRECTS 1 390 #endif 391 392 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 393 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 394 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 395 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 396 VNET_DEFINE(int, ip6_accept_rtadv) = 0; 397 VNET_DEFINE(int, ip6_no_radr) = 0; 398 VNET_DEFINE(int, ip6_norbit_raif) = 0; 399 VNET_DEFINE(int, ip6_rfc6204w3) = 0; 400 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 401 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 402 VNET_DEFINE(int, ip6_log_interval) = 5; 403 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 404 * process? */ 405 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 406 VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 407 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 408 * (RFC2462 5.5.4) */ 409 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 410 * walk list every 5 sec. */ 411 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 412 VNET_DEFINE(int, ip6_v6only) = 1; 413 414 VNET_DEFINE(int, ip6_keepfaith) = 0; 415 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 416 #ifdef IPSTEALTH 417 VNET_DEFINE(int, ip6stealth) = 0; 418 #endif 419 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 420 * (RFC 4861) */ 421 422 /* icmp6 */ 423 /* 424 * BSDI4 defines these variables in in_proto.c... 425 * XXX: what if we don't define INET? Should we define pmtu6_expire 426 * or so? (jinmei@kame.net 19990310) 427 */ 428 VNET_DEFINE(int, pmtu_expire) = 60*10; 429 VNET_DEFINE(int, pmtu_probe) = 60*2; 430 431 /* ICMPV6 parameters */ 432 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 433 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 434 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 435 /* control how to respond to NI queries */ 436 VNET_DEFINE(int, icmp6_nodeinfo) = 437 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 438 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1; 439 440 /* 441 * sysctl related items. 442 */ 443 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 444 "Internet6 Family"); 445 446 /* net.inet6 */ 447 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 448 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 449 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 450 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 451 #ifdef SCTP 452 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 453 #endif 454 #ifdef IPSEC 455 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 456 #endif /* IPSEC */ 457 458 /* net.inet6.ip6 */ 459 static int 460 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 461 { 462 int error = 0; 463 int old; 464 465 VNET_SYSCTL_ARG(req, arg1); 466 467 error = SYSCTL_OUT(req, arg1, sizeof(int)); 468 if (error || !req->newptr) 469 return (error); 470 old = V_ip6_temp_preferred_lifetime; 471 error = SYSCTL_IN(req, arg1, sizeof(int)); 472 if (V_ip6_temp_preferred_lifetime < 473 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 474 V_ip6_temp_preferred_lifetime = old; 475 return (EINVAL); 476 } 477 return (error); 478 } 479 480 static int 481 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 482 { 483 int error = 0; 484 int old; 485 486 VNET_SYSCTL_ARG(req, arg1); 487 488 error = SYSCTL_OUT(req, arg1, sizeof(int)); 489 if (error || !req->newptr) 490 return (error); 491 old = V_ip6_temp_valid_lifetime; 492 error = SYSCTL_IN(req, arg1, sizeof(int)); 493 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 494 V_ip6_temp_preferred_lifetime = old; 495 return (EINVAL); 496 } 497 return (error); 498 } 499 500 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 501 &VNET_NAME(ip6_forwarding), 0, ""); 502 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 503 &VNET_NAME(ip6_sendredirects), 0, ""); 504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 505 &VNET_NAME(ip6_defhlim), 0, ""); 506 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat, 507 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)"); 508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 509 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 510 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 511 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 512 "Default value of per-interface flag for accepting ICMPv6 Router" 513 "Advertisement messages"); 514 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 515 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, 516 "Default value of per-interface flag to control whether routers " 517 "sending ICMPv6 RA messages on that interface are added into the " 518 "default router list."); 519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW, 520 &VNET_NAME(ip6_norbit_raif), 0, 521 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 522 " on the interface."); 523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3, 524 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0, 525 "Accept the default router list from ICMPv6 RA messages even " 526 "when packet forwarding enabled."); 527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 528 &VNET_NAME(ip6_keepfaith), 0, ""); 529 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 530 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 532 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 534 &VNET_NAME(ip6_dad_count), 0, ""); 535 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 536 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 537 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 538 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 539 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 540 CTLFLAG_RD, __KAME_VERSION, 0, ""); 541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 542 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 543 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 544 &VNET_NAME(ip6_rr_prune), 0, ""); 545 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 546 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 547 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 548 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 549 sysctl_ip6_temppltime, "I", ""); 550 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 551 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 552 sysctl_ip6_tempvltime, "I", ""); 553 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 554 &VNET_NAME(ip6_v6only), 0, ""); 555 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 556 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 557 "Default value of per-interface flag for automatically adding an IPv6" 558 " link-local address to interfaces when attached"); 559 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, 560 struct rip6stat, rip6stat, 561 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)"); 562 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 563 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 564 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 565 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 566 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 567 &VNET_NAME(ip6_maxfrags), 0, ""); 568 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 569 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 570 #ifdef IPSTEALTH 571 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 572 &VNET_NAME(ip6stealth), 0, ""); 573 #endif 574 575 /* net.inet6.icmp6 */ 576 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 577 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 578 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 579 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 580 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, 581 struct icmp6stat, icmp6stat, 582 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)"); 583 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 584 &VNET_NAME(nd6_prune), 0, ""); 585 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 586 &VNET_NAME(nd6_delay), 0, ""); 587 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 588 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 589 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 590 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 591 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 592 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 593 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 594 &VNET_NAME(icmp6_nodeinfo), 0, ""); 595 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX, 596 nodeinfo_oldmcprefix, CTLFLAG_RW, 597 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0, 598 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup" 599 " for compatibility with KAME implememtation."); 600 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 601 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 602 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 603 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 604 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 605 &VNET_NAME(nd6_debug), 0, ""); 606 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 607 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 608 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 609