Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
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/7.4/sys/netinet6/in6_proto.c 211525 2010-08-20 12:26:02Z bz $"); 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 73 #include <sys/param.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/protosw.h> 77 #include <sys/kernel.h> 78 #include <sys/domain.h> 79 #include <sys/mbuf.h> 80 #include <sys/systm.h> 81 #include <sys/sysctl.h> 82 83 #include <net/if.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 87 #include <netinet/in.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/in_var.h> 90 #include <netinet/ip_encap.h> 91 #include <netinet/ip.h> 92 #include <netinet/ip_var.h> 93 #include <netinet/ip6.h> 94 #include <netinet6/ip6_var.h> 95 #include <netinet/icmp6.h> 96 97 #include <netinet/tcp.h> 98 #include <netinet/tcp_timer.h> 99 #include <netinet/tcp_var.h> 100 #include <netinet/udp.h> 101 #include <netinet/udp_var.h> 102 #include <netinet6/tcp6_var.h> 103 #include <netinet6/raw_ip6.h> 104 #include <netinet6/udp6_var.h> 105 #include <netinet6/pim6_var.h> 106 #include <netinet6/nd6.h> 107 108 #ifdef DEV_CARP 109 #include <netinet/ip_carp.h> 110 #endif 111 112 #ifdef SCTP 113 #include <netinet/in_pcb.h> 114 #include <netinet/sctp_pcb.h> 115 #include <netinet/sctp.h> 116 #include <netinet/sctp_var.h> 117 #include <netinet6/sctp6_var.h> 118 #endif /* SCTP */ 119 120 #ifdef IPSEC 121 #include <netipsec/ipsec.h> 122 #include <netipsec/ipsec6.h> 123 #endif /* IPSEC */ 124 125 #include <netinet6/ip6protosw.h> 126 127 /* 128 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 129 */ 130 131 extern struct domain inet6domain; 132 static struct pr_usrreqs nousrreqs; 133 134 #define PR_LISTEN 0 135 #define PR_ABRTACPTDIS 0 136 137 /* Spacer for loadable protocols. */ 138 #define IP6PROTOSPACER \ 139 { \ 140 .pr_domain = &inet6domain, \ 141 .pr_protocol = PROTO_SPACER, \ 142 .pr_usrreqs = &nousrreqs \ 143 } 144 145 struct ip6protosw inet6sw[] = { 146 { 147 .pr_type = 0, 148 .pr_domain = &inet6domain, 149 .pr_protocol = IPPROTO_IPV6, 150 .pr_init = ip6_init, 151 .pr_slowtimo = frag6_slowtimo, 152 .pr_drain = frag6_drain, 153 .pr_usrreqs = &nousrreqs, 154 }, 155 { 156 .pr_type = SOCK_DGRAM, 157 .pr_domain = &inet6domain, 158 .pr_protocol = IPPROTO_UDP, 159 .pr_flags = PR_ATOMIC|PR_ADDR, 160 .pr_input = udp6_input, 161 .pr_ctlinput = udp6_ctlinput, 162 .pr_ctloutput = ip6_ctloutput, 163 .pr_usrreqs = &udp6_usrreqs, 164 }, 165 { 166 .pr_type = SOCK_STREAM, 167 .pr_domain = &inet6domain, 168 .pr_protocol = IPPROTO_TCP, 169 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 170 .pr_input = tcp6_input, 171 .pr_ctlinput = tcp6_ctlinput, 172 .pr_ctloutput = tcp_ctloutput, 173 #ifndef INET /* don't call initialization and timeout routines twice */ 174 .pr_init = tcp_init, 175 .pr_slowtimo = tcp_slowtimo, 176 #endif 177 .pr_drain = tcp_drain, 178 .pr_usrreqs = &tcp6_usrreqs, 179 }, 180 #ifdef SCTP 181 { 182 .pr_type = SOCK_DGRAM, 183 .pr_domain = &inet6domain, 184 .pr_protocol = IPPROTO_SCTP, 185 .pr_flags = PR_WANTRCVD, 186 .pr_input = sctp6_input, 187 .pr_ctlinput = sctp6_ctlinput, 188 .pr_ctloutput = sctp_ctloutput, 189 .pr_drain = sctp_drain, 190 .pr_usrreqs = &sctp6_usrreqs 191 }, 192 { 193 .pr_type = SOCK_SEQPACKET, 194 .pr_domain = &inet6domain, 195 .pr_protocol = IPPROTO_SCTP, 196 .pr_flags = PR_WANTRCVD, 197 .pr_input = sctp6_input, 198 .pr_ctlinput = sctp6_ctlinput, 199 .pr_ctloutput = sctp_ctloutput, 200 .pr_drain = sctp_drain, 201 .pr_usrreqs = &sctp6_usrreqs 202 }, 203 204 { 205 .pr_type = SOCK_STREAM, 206 .pr_domain = &inet6domain, 207 .pr_protocol = IPPROTO_SCTP, 208 .pr_flags = PR_WANTRCVD, 209 .pr_input = sctp6_input, 210 .pr_ctlinput = sctp6_ctlinput, 211 .pr_ctloutput = sctp_ctloutput, 212 .pr_drain = sctp_drain, 213 .pr_usrreqs = &sctp6_usrreqs 214 }, 215 #endif /* SCTP */ 216 { 217 .pr_type = SOCK_RAW, 218 .pr_domain = &inet6domain, 219 .pr_protocol = IPPROTO_RAW, 220 .pr_flags = PR_ATOMIC|PR_ADDR, 221 .pr_input = rip6_input, 222 .pr_output = rip6_output, 223 .pr_ctlinput = rip6_ctlinput, 224 .pr_ctloutput = rip6_ctloutput, 225 .pr_usrreqs = &rip6_usrreqs 226 }, 227 { 228 .pr_type = SOCK_RAW, 229 .pr_domain = &inet6domain, 230 .pr_protocol = IPPROTO_ICMPV6, 231 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 232 .pr_input = icmp6_input, 233 .pr_output = rip6_output, 234 .pr_ctlinput = rip6_ctlinput, 235 .pr_ctloutput = rip6_ctloutput, 236 .pr_init = icmp6_init, 237 .pr_fasttimo = icmp6_fasttimo, 238 .pr_usrreqs = &rip6_usrreqs 239 }, 240 { 241 .pr_type = SOCK_RAW, 242 .pr_domain = &inet6domain, 243 .pr_protocol = IPPROTO_DSTOPTS, 244 .pr_flags = PR_ATOMIC|PR_ADDR, 245 .pr_input = dest6_input, 246 .pr_usrreqs = &nousrreqs 247 }, 248 { 249 .pr_type = SOCK_RAW, 250 .pr_domain = &inet6domain, 251 .pr_protocol = IPPROTO_ROUTING, 252 .pr_flags = PR_ATOMIC|PR_ADDR, 253 .pr_input = route6_input, 254 .pr_usrreqs = &nousrreqs 255 }, 256 { 257 .pr_type = SOCK_RAW, 258 .pr_domain = &inet6domain, 259 .pr_protocol = IPPROTO_FRAGMENT, 260 .pr_flags = PR_ATOMIC|PR_ADDR, 261 .pr_input = frag6_input, 262 .pr_usrreqs = &nousrreqs 263 }, 264 #ifdef IPSEC 265 { 266 .pr_type = SOCK_RAW, 267 .pr_domain = &inet6domain, 268 .pr_protocol = IPPROTO_AH, 269 .pr_flags = PR_ATOMIC|PR_ADDR, 270 .pr_input = ipsec6_common_input, 271 .pr_usrreqs = &nousrreqs, 272 }, 273 { 274 .pr_type = SOCK_RAW, 275 .pr_domain = &inet6domain, 276 .pr_protocol = IPPROTO_ESP, 277 .pr_flags = PR_ATOMIC|PR_ADDR, 278 .pr_input = ipsec6_common_input, 279 .pr_ctlinput = esp6_ctlinput, 280 .pr_usrreqs = &nousrreqs, 281 }, 282 { 283 .pr_type = SOCK_RAW, 284 .pr_domain = &inet6domain, 285 .pr_protocol = IPPROTO_IPCOMP, 286 .pr_flags = PR_ATOMIC|PR_ADDR, 287 .pr_input = ipsec6_common_input, 288 .pr_usrreqs = &nousrreqs, 289 }, 290 #endif /* IPSEC */ 291 #ifdef INET 292 { 293 .pr_type = SOCK_RAW, 294 .pr_domain = &inet6domain, 295 .pr_protocol = IPPROTO_IPV4, 296 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 297 .pr_input = encap6_input, 298 .pr_output = rip6_output, 299 .pr_ctloutput = rip6_ctloutput, 300 .pr_init = encap_init, 301 .pr_usrreqs = &rip6_usrreqs 302 }, 303 #endif /* INET */ 304 { 305 .pr_type = SOCK_RAW, 306 .pr_domain = &inet6domain, 307 .pr_protocol = IPPROTO_IPV6, 308 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 309 .pr_input = encap6_input, 310 .pr_output = rip6_output, 311 .pr_ctloutput = rip6_ctloutput, 312 .pr_init = encap_init, 313 .pr_usrreqs = &rip6_usrreqs 314 }, 315 { 316 .pr_type = SOCK_RAW, 317 .pr_domain = &inet6domain, 318 .pr_protocol = IPPROTO_PIM, 319 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 320 .pr_input = encap6_input, 321 .pr_output = rip6_output, 322 .pr_ctloutput = rip6_ctloutput, 323 .pr_usrreqs = &rip6_usrreqs 324 }, 325 #ifdef DEV_CARP 326 { 327 .pr_type = SOCK_RAW, 328 .pr_domain = &inet6domain, 329 .pr_protocol = IPPROTO_CARP, 330 .pr_flags = PR_ATOMIC|PR_ADDR, 331 .pr_input = carp6_input, 332 .pr_output = rip6_output, 333 .pr_ctloutput = rip6_ctloutput, 334 .pr_usrreqs = &rip6_usrreqs 335 }, 336 #endif /* DEV_CARP */ 337 /* Spacer n-times for loadable protocols. */ 338 IP6PROTOSPACER, 339 IP6PROTOSPACER, 340 IP6PROTOSPACER, 341 IP6PROTOSPACER, 342 IP6PROTOSPACER, 343 IP6PROTOSPACER, 344 IP6PROTOSPACER, 345 IP6PROTOSPACER, 346 /* raw wildcard */ 347 { 348 .pr_type = SOCK_RAW, 349 .pr_domain = &inet6domain, 350 .pr_flags = PR_ATOMIC|PR_ADDR, 351 .pr_input = rip6_input, 352 .pr_output = rip6_output, 353 .pr_ctloutput = rip6_ctloutput, 354 .pr_usrreqs = &rip6_usrreqs 355 }, 356 }; 357 358 extern int in6_inithead(void **, int); 359 360 struct domain inet6domain = { 361 .dom_family = AF_INET6, 362 .dom_name = "internet6", 363 .dom_protosw = (struct protosw *)inet6sw, 364 .dom_protoswNPROTOSW = (struct protosw *) 365 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 366 .dom_rtattach = in6_inithead, 367 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 368 .dom_maxrtkey = sizeof(struct sockaddr_in6), 369 .dom_ifattach = in6_domifattach, 370 .dom_ifdetach = in6_domifdetach 371 }; 372 373 DOMAIN_SET(inet6); 374 375 /* 376 * Internet configuration info 377 */ 378 #ifndef IPV6FORWARDING 379 #ifdef GATEWAY6 380 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 381 #else 382 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 383 #endif /* GATEWAY6 */ 384 #endif /* !IPV6FORWARDING */ 385 386 #ifndef IPV6_SENDREDIRECTS 387 #define IPV6_SENDREDIRECTS 1 388 #endif 389 390 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 391 int ip6_sendredirects = IPV6_SENDREDIRECTS; 392 int ip6_defhlim = IPV6_DEFHLIM; 393 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 394 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 395 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 396 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 397 int ip6_log_interval = 5; 398 int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 399 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 400 int ip6_auto_flowlabel = 1; 401 int ip6_gif_hlim = 0; 402 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 403 int ip6_rr_prune = 5; /* router renumbering prefix 404 * walk list every 5 sec. */ 405 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 406 int ip6_v6only = 1; 407 408 int ip6_keepfaith = 0; 409 time_t ip6_log_time = (time_t)0L; 410 #ifdef IPSTEALTH 411 int ip6stealth = 0; 412 #endif 413 int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */ 414 415 /* icmp6 */ 416 /* 417 * BSDI4 defines these variables in in_proto.c... 418 * XXX: what if we don't define INET? Should we define pmtu6_expire 419 * or so? (jinmei@kame.net 19990310) 420 */ 421 int pmtu_expire = 60*10; 422 int pmtu_probe = 60*2; 423 424 /* raw IP6 parameters */ 425 /* 426 * Nominal space allocated to a raw ip socket. 427 */ 428 #define RIPV6SNDQ 8192 429 #define RIPV6RCVQ 8192 430 431 u_long rip6_sendspace = RIPV6SNDQ; 432 u_long rip6_recvspace = RIPV6RCVQ; 433 434 /* ICMPV6 parameters */ 435 int icmp6_rediraccept = 1; /* accept and process redirects */ 436 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 437 int icmp6errppslim = 100; /* 100pps */ 438 /* control how to respond to NI queries */ 439 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 440 441 /* UDP on IP6 parameters */ 442 int udp6_sendspace = 9216; /* really max datagram size */ 443 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 444 /* 40 1K datagrams */ 445 446 /* 447 * sysctl related items. 448 */ 449 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 450 "Internet6 Family"); 451 452 /* net.inet6 */ 453 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 454 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 455 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 456 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 457 #ifdef SCTP 458 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 459 #endif 460 #ifdef IPSEC 461 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 462 #endif /* IPSEC */ 463 464 /* net.inet6.ip6 */ 465 static int 466 sysctl_ip6_temppltime(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_preferred_lifetime; 475 error = SYSCTL_IN(req, arg1, sizeof(int)); 476 if (ip6_temp_preferred_lifetime < 477 ip6_desync_factor + ip6_temp_regen_advance) { 478 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 error = SYSCTL_OUT(req, arg1, sizeof(int)); 491 if (error || !req->newptr) 492 return (error); 493 old = ip6_temp_valid_lifetime; 494 error = SYSCTL_IN(req, arg1, sizeof(int)); 495 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 496 ip6_temp_preferred_lifetime = old; 497 return (EINVAL); 498 } 499 return (error); 500 } 501 502 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 503 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 504 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 505 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 506 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 507 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 508 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 509 &ip6stat, ip6stat, ""); 510 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 511 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 512 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 513 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 514 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 515 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 516 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 517 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 518 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 519 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 520 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 521 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 522 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 523 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 524 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 525 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 526 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 527 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 528 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 529 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 530 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 531 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 532 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 533 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 534 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 535 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 536 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 537 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 538 sysctl_ip6_temppltime, "I", ""); 539 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 540 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 541 sysctl_ip6_tempvltime, "I", ""); 542 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 543 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 544 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 545 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 546 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 547 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 548 &rip6stat, rip6stat, ""); 549 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 550 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 551 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 552 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 553 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 554 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 555 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 556 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 557 #ifdef IPSTEALTH 558 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 559 &ip6stealth, 0, ""); 560 #endif 561 562 /* net.inet6.icmp6 */ 563 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 564 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 565 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 566 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 567 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 568 &icmp6stat, icmp6stat, ""); 569 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 570 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 571 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 572 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 573 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 574 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 575 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 576 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 577 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 578 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 579 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 580 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 581 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 582 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 583 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 584 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 585 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 586 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 587 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 588 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0, 589 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: 33d89a9f2a984e4b93534895919c893c
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