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 #ifdef FLOWTABLE 131 #include <net/flowtable.h> 132 #endif 133 134 /* 135 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 136 */ 137 FEATURE(inet6, "Internet Protocol version 6"); 138 139 extern struct domain inet6domain; 140 static struct pr_usrreqs nousrreqs; 141 142 #define PR_LISTEN 0 143 #define PR_ABRTACPTDIS 0 144 145 /* Spacer for loadable protocols. */ 146 #define IP6PROTOSPACER \ 147 { \ 148 .pr_domain = &inet6domain, \ 149 .pr_protocol = PROTO_SPACER, \ 150 .pr_usrreqs = &nousrreqs \ 151 } 152 153 struct ip6protosw inet6sw[] = { 154 { 155 .pr_type = 0, 156 .pr_domain = &inet6domain, 157 .pr_protocol = IPPROTO_IPV6, 158 .pr_init = ip6_init, 159 #ifdef VIMAGE 160 .pr_destroy = ip6_destroy, 161 #endif 162 .pr_slowtimo = frag6_slowtimo, 163 .pr_drain = frag6_drain, 164 .pr_usrreqs = &nousrreqs, 165 }, 166 { 167 .pr_type = SOCK_DGRAM, 168 .pr_domain = &inet6domain, 169 .pr_protocol = IPPROTO_UDP, 170 .pr_flags = PR_ATOMIC|PR_ADDR, 171 .pr_input = udp6_input, 172 .pr_ctlinput = udp6_ctlinput, 173 .pr_ctloutput = ip6_ctloutput, 174 #ifndef INET /* Do not call initialization twice. */ 175 .pr_init = udp_init, 176 #endif 177 .pr_usrreqs = &udp6_usrreqs, 178 }, 179 { 180 .pr_type = SOCK_STREAM, 181 .pr_domain = &inet6domain, 182 .pr_protocol = IPPROTO_TCP, 183 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 184 .pr_input = tcp6_input, 185 .pr_ctlinput = tcp6_ctlinput, 186 .pr_ctloutput = tcp_ctloutput, 187 #ifndef INET /* don't call initialization and timeout routines twice */ 188 .pr_init = tcp_init, 189 .pr_slowtimo = tcp_slowtimo, 190 #endif 191 .pr_drain = tcp_drain, 192 .pr_usrreqs = &tcp6_usrreqs, 193 }, 194 #ifdef SCTP 195 { 196 .pr_type = SOCK_SEQPACKET, 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 #ifndef INET /* Do not call initialization twice. */ 205 .pr_init = sctp_init, 206 #endif 207 .pr_usrreqs = &sctp6_usrreqs 208 }, 209 { 210 .pr_type = SOCK_STREAM, 211 .pr_domain = &inet6domain, 212 .pr_protocol = IPPROTO_SCTP, 213 .pr_flags = PR_WANTRCVD, 214 .pr_input = sctp6_input, 215 .pr_ctlinput = sctp6_ctlinput, 216 .pr_ctloutput = sctp_ctloutput, 217 .pr_drain = sctp_drain, 218 .pr_usrreqs = &sctp6_usrreqs 219 }, 220 #endif /* SCTP */ 221 { 222 .pr_type = SOCK_RAW, 223 .pr_domain = &inet6domain, 224 .pr_protocol = IPPROTO_RAW, 225 .pr_flags = PR_ATOMIC|PR_ADDR, 226 .pr_input = rip6_input, 227 .pr_output = rip6_output, 228 .pr_ctlinput = rip6_ctlinput, 229 .pr_ctloutput = rip6_ctloutput, 230 #ifndef INET /* Do not call initialization twice. */ 231 .pr_init = rip_init, 232 #endif 233 .pr_usrreqs = &rip6_usrreqs 234 }, 235 { 236 .pr_type = SOCK_RAW, 237 .pr_domain = &inet6domain, 238 .pr_protocol = IPPROTO_ICMPV6, 239 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 240 .pr_input = icmp6_input, 241 .pr_output = rip6_output, 242 .pr_ctlinput = rip6_ctlinput, 243 .pr_ctloutput = rip6_ctloutput, 244 .pr_fasttimo = icmp6_fasttimo, 245 .pr_slowtimo = icmp6_slowtimo, 246 .pr_usrreqs = &rip6_usrreqs 247 }, 248 { 249 .pr_type = SOCK_RAW, 250 .pr_domain = &inet6domain, 251 .pr_protocol = IPPROTO_DSTOPTS, 252 .pr_flags = PR_ATOMIC|PR_ADDR, 253 .pr_input = dest6_input, 254 .pr_usrreqs = &nousrreqs 255 }, 256 { 257 .pr_type = SOCK_RAW, 258 .pr_domain = &inet6domain, 259 .pr_protocol = IPPROTO_ROUTING, 260 .pr_flags = PR_ATOMIC|PR_ADDR, 261 .pr_input = route6_input, 262 .pr_usrreqs = &nousrreqs 263 }, 264 { 265 .pr_type = SOCK_RAW, 266 .pr_domain = &inet6domain, 267 .pr_protocol = IPPROTO_FRAGMENT, 268 .pr_flags = PR_ATOMIC|PR_ADDR, 269 .pr_input = frag6_input, 270 .pr_usrreqs = &nousrreqs 271 }, 272 #ifdef IPSEC 273 { 274 .pr_type = SOCK_RAW, 275 .pr_domain = &inet6domain, 276 .pr_protocol = IPPROTO_AH, 277 .pr_flags = PR_ATOMIC|PR_ADDR, 278 .pr_input = ipsec6_common_input, 279 .pr_usrreqs = &nousrreqs, 280 }, 281 { 282 .pr_type = SOCK_RAW, 283 .pr_domain = &inet6domain, 284 .pr_protocol = IPPROTO_ESP, 285 .pr_flags = PR_ATOMIC|PR_ADDR, 286 .pr_input = ipsec6_common_input, 287 .pr_ctlinput = esp6_ctlinput, 288 .pr_usrreqs = &nousrreqs, 289 }, 290 { 291 .pr_type = SOCK_RAW, 292 .pr_domain = &inet6domain, 293 .pr_protocol = IPPROTO_IPCOMP, 294 .pr_flags = PR_ATOMIC|PR_ADDR, 295 .pr_input = ipsec6_common_input, 296 .pr_usrreqs = &nousrreqs, 297 }, 298 #endif /* IPSEC */ 299 #ifdef INET 300 { 301 .pr_type = SOCK_RAW, 302 .pr_domain = &inet6domain, 303 .pr_protocol = IPPROTO_IPV4, 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 #endif /* INET */ 312 { 313 .pr_type = SOCK_RAW, 314 .pr_domain = &inet6domain, 315 .pr_protocol = IPPROTO_IPV6, 316 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 317 .pr_input = encap6_input, 318 .pr_output = rip6_output, 319 .pr_ctloutput = rip6_ctloutput, 320 .pr_init = encap_init, 321 .pr_usrreqs = &rip6_usrreqs 322 }, 323 { 324 .pr_type = SOCK_RAW, 325 .pr_domain = &inet6domain, 326 .pr_protocol = IPPROTO_PIM, 327 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 328 .pr_input = encap6_input, 329 .pr_output = rip6_output, 330 .pr_ctloutput = rip6_ctloutput, 331 .pr_usrreqs = &rip6_usrreqs 332 }, 333 /* Spacer n-times for loadable protocols. */ 334 IP6PROTOSPACER, 335 IP6PROTOSPACER, 336 IP6PROTOSPACER, 337 IP6PROTOSPACER, 338 IP6PROTOSPACER, 339 IP6PROTOSPACER, 340 IP6PROTOSPACER, 341 IP6PROTOSPACER, 342 /* raw wildcard */ 343 { 344 .pr_type = SOCK_RAW, 345 .pr_domain = &inet6domain, 346 .pr_flags = PR_ATOMIC|PR_ADDR, 347 .pr_input = rip6_input, 348 .pr_output = rip6_output, 349 .pr_ctloutput = rip6_ctloutput, 350 .pr_usrreqs = &rip6_usrreqs 351 }, 352 }; 353 354 extern int in6_inithead(void **, int); 355 #ifdef VIMAGE 356 extern int in6_detachhead(void **, int); 357 #endif 358 359 struct domain inet6domain = { 360 .dom_family = AF_INET6, 361 .dom_name = "internet6", 362 .dom_protosw = (struct protosw *)inet6sw, 363 .dom_protoswNPROTOSW = (struct protosw *) 364 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 365 #ifdef RADIX_MPATH 366 .dom_rtattach = rn6_mpath_inithead, 367 #else 368 .dom_rtattach = in6_inithead, 369 #endif 370 #ifdef VIMAGE 371 .dom_rtdetach = in6_detachhead, 372 #endif 373 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 374 .dom_maxrtkey = sizeof(struct sockaddr_in6), 375 .dom_ifattach = in6_domifattach, 376 .dom_ifdetach = in6_domifdetach 377 }; 378 379 VNET_DOMAIN_SET(inet6); 380 381 /* 382 * Internet configuration info 383 */ 384 #ifndef IPV6FORWARDING 385 #ifdef GATEWAY6 386 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 387 #else 388 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 389 #endif /* GATEWAY6 */ 390 #endif /* !IPV6FORWARDING */ 391 392 #ifndef IPV6_SENDREDIRECTS 393 #define IPV6_SENDREDIRECTS 1 394 #endif 395 396 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 397 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 398 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 399 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 400 VNET_DEFINE(int, ip6_accept_rtadv) = 0; 401 VNET_DEFINE(int, ip6_no_radr) = 0; 402 VNET_DEFINE(int, ip6_norbit_raif) = 0; 403 VNET_DEFINE(int, ip6_rfc6204w3) = 0; 404 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 405 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 406 VNET_DEFINE(int, ip6_log_interval) = 5; 407 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 408 * process? */ 409 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 410 VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 411 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 412 * (RFC2462 5.5.4) */ 413 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 414 * walk list every 5 sec. */ 415 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 416 VNET_DEFINE(int, ip6_v6only) = 1; 417 418 VNET_DEFINE(int, ip6_keepfaith) = 0; 419 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 420 #ifdef IPSTEALTH 421 VNET_DEFINE(int, ip6stealth) = 0; 422 #endif 423 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 424 * (RFC 4861) */ 425 426 /* icmp6 */ 427 /* 428 * BSDI4 defines these variables in in_proto.c... 429 * XXX: what if we don't define INET? Should we define pmtu6_expire 430 * or so? (jinmei@kame.net 19990310) 431 */ 432 VNET_DEFINE(int, pmtu_expire) = 60*10; 433 VNET_DEFINE(int, pmtu_probe) = 60*2; 434 435 /* ICMPV6 parameters */ 436 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 437 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 438 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 439 /* control how to respond to NI queries */ 440 VNET_DEFINE(int, icmp6_nodeinfo) = 441 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 442 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1; 443 444 /* 445 * sysctl related items. 446 */ 447 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 448 "Internet6 Family"); 449 450 /* net.inet6 */ 451 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 452 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 453 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 454 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 455 #ifdef SCTP 456 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 457 #endif 458 #ifdef IPSEC 459 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 460 #endif /* IPSEC */ 461 462 /* net.inet6.ip6 */ 463 static int 464 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 465 { 466 int error = 0; 467 int old; 468 469 VNET_SYSCTL_ARG(req, arg1); 470 471 error = SYSCTL_OUT(req, arg1, sizeof(int)); 472 if (error || !req->newptr) 473 return (error); 474 old = V_ip6_temp_preferred_lifetime; 475 error = SYSCTL_IN(req, arg1, sizeof(int)); 476 if (V_ip6_temp_preferred_lifetime < 477 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 478 V_ip6_temp_preferred_lifetime = old; 479 return (EINVAL); 480 } 481 return (error); 482 } 483 484 static int 485 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 486 { 487 int error = 0; 488 int old; 489 490 VNET_SYSCTL_ARG(req, arg1); 491 492 error = SYSCTL_OUT(req, arg1, sizeof(int)); 493 if (error || !req->newptr) 494 return (error); 495 old = V_ip6_temp_valid_lifetime; 496 error = SYSCTL_IN(req, arg1, sizeof(int)); 497 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 498 V_ip6_temp_preferred_lifetime = old; 499 return (EINVAL); 500 } 501 return (error); 502 } 503 504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW, 505 &VNET_NAME(ip6_forwarding), 0, ""); 506 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW, 507 &VNET_NAME(ip6_sendredirects), 0, ""); 508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW, 509 &VNET_NAME(ip6_defhlim), 0, ""); 510 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat, 511 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)"); 512 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 513 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 514 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 515 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, 516 "Default value of per-interface flag for accepting ICMPv6 Router" 517 "Advertisement messages"); 518 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 519 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, 520 "Default value of per-interface flag to control whether routers " 521 "sending ICMPv6 RA messages on that interface are added into the " 522 "default router list."); 523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW, 524 &VNET_NAME(ip6_norbit_raif), 0, 525 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 526 " on the interface."); 527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3, 528 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0, 529 "Accept the default router list from ICMPv6 RA messages even " 530 "when packet forwarding enabled."); 531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW, 532 &VNET_NAME(ip6_keepfaith), 0, ""); 533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 534 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 535 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 536 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 537 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW, 538 &VNET_NAME(ip6_dad_count), 0, ""); 539 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 540 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 542 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); 543 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 544 CTLFLAG_RD, __KAME_VERSION, 0, ""); 545 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 546 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 547 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW, 548 &VNET_NAME(ip6_rr_prune), 0, ""); 549 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 550 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 551 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 552 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0, 553 sysctl_ip6_temppltime, "I", ""); 554 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 555 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0, 556 sysctl_ip6_tempvltime, "I", ""); 557 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW, 558 &VNET_NAME(ip6_v6only), 0, ""); 559 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 560 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, 561 "Default value of per-interface flag for automatically adding an IPv6" 562 " link-local address to interfaces when attached"); 563 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, 564 struct rip6stat, rip6stat, 565 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)"); 566 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 567 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 568 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 569 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 570 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW, 571 &VNET_NAME(ip6_maxfrags), 0, ""); 572 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW, 573 &VNET_NAME(ip6_mcast_pmtu), 0, ""); 574 #ifdef IPSTEALTH 575 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 576 &VNET_NAME(ip6stealth), 0, ""); 577 #endif 578 579 #ifdef FLOWTABLE 580 VNET_DEFINE(int, ip6_output_flowtable_size) = 2048; 581 VNET_DEFINE(struct flowtable *, ip6_ft); 582 #define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size) 583 584 SYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN, 585 &VNET_NAME(ip6_output_flowtable_size), 2048, 586 "number of entries in the per-cpu output flow caches"); 587 #endif 588 589 /* net.inet6.icmp6 */ 590 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 591 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 592 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 593 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); 594 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, 595 struct icmp6stat, icmp6stat, 596 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)"); 597 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW, 598 &VNET_NAME(nd6_prune), 0, ""); 599 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW, 600 &VNET_NAME(nd6_delay), 0, ""); 601 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 602 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 603 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 604 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 605 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 606 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 607 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW, 608 &VNET_NAME(icmp6_nodeinfo), 0, ""); 609 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX, 610 nodeinfo_oldmcprefix, CTLFLAG_RW, 611 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0, 612 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup" 613 " for compatibility with KAME implememtation."); 614 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 615 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 616 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 617 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 618 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW, 619 &VNET_NAME(nd6_debug), 0, ""); 620 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 621 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861), 622 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861."); 623