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/6.4/sys/netinet6/in6_proto.c 183529 2008-10-02 00:32:59Z cperciva $"); 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 72 #include <sys/param.h> 73 #include <sys/socket.h> 74 #include <sys/socketvar.h> 75 #include <sys/protosw.h> 76 #include <sys/kernel.h> 77 #include <sys/domain.h> 78 #include <sys/mbuf.h> 79 #include <sys/systm.h> 80 #include <sys/sysctl.h> 81 82 #include <net/if.h> 83 #include <net/radix.h> 84 #include <net/route.h> 85 86 #include <netinet/in.h> 87 #include <netinet/in_systm.h> 88 #include <netinet/in_var.h> 89 #include <netinet/ip_encap.h> 90 #include <netinet/ip.h> 91 #include <netinet/ip_var.h> 92 #include <netinet/ip6.h> 93 #include <netinet6/ip6_var.h> 94 #include <netinet/icmp6.h> 95 96 #include <netinet/tcp.h> 97 #include <netinet/tcp_timer.h> 98 #include <netinet/tcp_var.h> 99 #include <netinet/udp.h> 100 #include <netinet/udp_var.h> 101 #include <netinet6/tcp6_var.h> 102 #include <netinet6/raw_ip6.h> 103 #include <netinet6/udp6_var.h> 104 #include <netinet6/pim6_var.h> 105 #include <netinet6/nd6.h> 106 107 #ifdef IPSEC 108 #include <netinet6/ipsec.h> 109 #ifdef INET6 110 #include <netinet6/ipsec6.h> 111 #endif 112 #include <netinet6/ah.h> 113 #ifdef INET6 114 #include <netinet6/ah6.h> 115 #endif 116 #ifdef IPSEC_ESP 117 #include <netinet6/esp.h> 118 #ifdef INET6 119 #include <netinet6/esp6.h> 120 #endif 121 #endif 122 #include <netinet6/ipcomp.h> 123 #ifdef INET6 124 #include <netinet6/ipcomp6.h> 125 #endif 126 #endif /* IPSEC */ 127 128 #ifdef DEV_CARP 129 #include <netinet/ip_carp.h> 130 #endif 131 132 #ifdef FAST_IPSEC 133 #include <netipsec/ipsec6.h> 134 #define IPSEC 135 #define IPSEC_ESP 136 #define ah6_input ipsec6_common_input 137 #define esp6_input ipsec6_common_input 138 #define ipcomp6_input ipsec6_common_input 139 #endif /* FAST_IPSEC */ 140 141 #include <netinet6/ip6protosw.h> 142 143 #include <net/net_osdep.h> 144 145 /* 146 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 147 */ 148 149 extern struct domain inet6domain; 150 static struct pr_usrreqs nousrreqs; 151 152 #define PR_LISTEN 0 153 #define PR_ABRTACPTDIS 0 154 155 struct ip6protosw inet6sw[] = { 156 { 157 .pr_type = 0, 158 .pr_domain = &inet6domain, 159 .pr_protocol = IPPROTO_IPV6, 160 .pr_init = ip6_init, 161 .pr_slowtimo = frag6_slowtimo, 162 .pr_drain = frag6_drain, 163 .pr_usrreqs = &nousrreqs, 164 }, 165 { 166 .pr_type = SOCK_DGRAM, 167 .pr_domain = &inet6domain, 168 .pr_protocol = IPPROTO_UDP, 169 .pr_flags = PR_ATOMIC|PR_ADDR, 170 .pr_input = udp6_input, 171 .pr_ctlinput = udp6_ctlinput, 172 .pr_ctloutput = ip6_ctloutput, 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_fasttimo = tcp_fasttimo, 186 .pr_slowtimo = tcp_slowtimo, 187 #endif 188 .pr_drain = tcp_drain, 189 .pr_usrreqs = &tcp6_usrreqs, 190 }, 191 { 192 .pr_type = SOCK_RAW, 193 .pr_domain = &inet6domain, 194 .pr_protocol = IPPROTO_RAW, 195 .pr_flags = PR_ATOMIC|PR_ADDR, 196 .pr_input = rip6_input, 197 .pr_output = rip6_output, 198 .pr_ctlinput = rip6_ctlinput, 199 .pr_ctloutput = rip6_ctloutput, 200 .pr_usrreqs = &rip6_usrreqs 201 }, 202 { 203 .pr_type = SOCK_RAW, 204 .pr_domain = &inet6domain, 205 .pr_protocol = IPPROTO_ICMPV6, 206 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 207 .pr_input = icmp6_input, 208 .pr_output = rip6_output, 209 .pr_ctlinput = rip6_ctlinput, 210 .pr_ctloutput = rip6_ctloutput, 211 .pr_init = icmp6_init, 212 .pr_fasttimo = icmp6_fasttimo, 213 .pr_usrreqs = &rip6_usrreqs 214 }, 215 { 216 .pr_type = SOCK_RAW, 217 .pr_domain = &inet6domain, 218 .pr_protocol = IPPROTO_DSTOPTS, 219 .pr_flags = PR_ATOMIC|PR_ADDR, 220 .pr_input = dest6_input, 221 .pr_usrreqs = &nousrreqs 222 }, 223 { 224 .pr_type = SOCK_RAW, 225 .pr_domain = &inet6domain, 226 .pr_protocol = IPPROTO_ROUTING, 227 .pr_flags = PR_ATOMIC|PR_ADDR, 228 .pr_input = route6_input, 229 .pr_usrreqs = &nousrreqs 230 }, 231 { 232 .pr_type = SOCK_RAW, 233 .pr_domain = &inet6domain, 234 .pr_protocol = IPPROTO_FRAGMENT, 235 .pr_flags = PR_ATOMIC|PR_ADDR, 236 .pr_input = frag6_input, 237 .pr_usrreqs = &nousrreqs 238 }, 239 #ifdef IPSEC 240 { 241 .pr_type = SOCK_RAW, 242 .pr_domain = &inet6domain, 243 .pr_protocol = IPPROTO_AH, 244 .pr_flags = PR_ATOMIC|PR_ADDR, 245 .pr_input = ah6_input, 246 .pr_usrreqs = &nousrreqs, 247 }, 248 #ifdef IPSEC_ESP 249 { 250 .pr_type = SOCK_RAW, 251 .pr_domain = &inet6domain, 252 .pr_protocol = IPPROTO_ESP, 253 .pr_flags = PR_ATOMIC|PR_ADDR, 254 .pr_input = esp6_input, 255 .pr_ctlinput = esp6_ctlinput, 256 .pr_usrreqs = &nousrreqs, 257 }, 258 #endif 259 { 260 .pr_type = SOCK_RAW, 261 .pr_domain = &inet6domain, 262 .pr_protocol = IPPROTO_IPCOMP, 263 .pr_flags = PR_ATOMIC|PR_ADDR, 264 .pr_input = ipcomp6_input, 265 .pr_usrreqs = &nousrreqs, 266 }, 267 #endif /* IPSEC */ 268 #ifdef INET 269 { 270 .pr_type = SOCK_RAW, 271 .pr_domain = &inet6domain, 272 .pr_protocol = IPPROTO_IPV4, 273 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 274 .pr_input = encap6_input, 275 .pr_output = rip6_output, 276 .pr_ctloutput = rip6_ctloutput, 277 .pr_init = encap_init, 278 .pr_usrreqs = &rip6_usrreqs 279 }, 280 #endif /* INET */ 281 { 282 .pr_type = SOCK_RAW, 283 .pr_domain = &inet6domain, 284 .pr_protocol = IPPROTO_IPV6, 285 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 286 .pr_input = encap6_input, 287 .pr_output = rip6_output, 288 .pr_ctloutput = rip6_ctloutput, 289 .pr_init = encap_init, 290 .pr_usrreqs = &rip6_usrreqs 291 }, 292 { 293 .pr_type = SOCK_RAW, 294 .pr_domain = &inet6domain, 295 .pr_protocol = IPPROTO_PIM, 296 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 297 .pr_input = pim6_input, 298 .pr_output = rip6_output, 299 .pr_ctloutput = rip6_ctloutput, 300 .pr_usrreqs = &rip6_usrreqs 301 }, 302 #ifdef DEV_CARP 303 { 304 .pr_type = SOCK_RAW, 305 .pr_domain = &inet6domain, 306 .pr_protocol = IPPROTO_CARP, 307 .pr_flags = PR_ATOMIC|PR_ADDR, 308 .pr_input = carp6_input, 309 .pr_output = rip6_output, 310 .pr_ctloutput = rip6_ctloutput, 311 .pr_usrreqs = &rip6_usrreqs 312 }, 313 #endif /* DEV_CARP */ 314 /* raw wildcard */ 315 { 316 .pr_type = SOCK_RAW, 317 .pr_domain = &inet6domain, 318 .pr_flags = PR_ATOMIC|PR_ADDR, 319 .pr_input = rip6_input, 320 .pr_output = rip6_output, 321 .pr_ctloutput = rip6_ctloutput, 322 .pr_usrreqs = &rip6_usrreqs 323 }, 324 }; 325 326 extern int in6_inithead(void **, int); 327 328 struct domain inet6domain = { 329 .dom_family = AF_INET6, 330 .dom_name = "internet6", 331 .dom_protosw = (struct protosw *)inet6sw, 332 .dom_protoswNPROTOSW = (struct protosw *) 333 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 334 .dom_rtattach = in6_inithead, 335 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3, 336 .dom_maxrtkey = sizeof(struct sockaddr_in6), 337 .dom_ifattach = in6_domifattach, 338 .dom_ifdetach = in6_domifdetach 339 }; 340 341 DOMAIN_SET(inet6); 342 343 /* 344 * Internet configuration info 345 */ 346 #ifndef IPV6FORWARDING 347 #ifdef GATEWAY6 348 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 349 #else 350 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 351 #endif /* GATEWAY6 */ 352 #endif /* !IPV6FORWARDING */ 353 354 #ifndef IPV6_SENDREDIRECTS 355 #define IPV6_SENDREDIRECTS 1 356 #endif 357 int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */ 358 359 int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 360 int ip6_sendredirects = IPV6_SENDREDIRECTS; 361 int ip6_defhlim = IPV6_DEFHLIM; 362 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 363 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 364 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 365 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 366 int ip6_log_interval = 5; 367 int ip6_hdrnestlimit = 15; /* How many header options will we process? */ 368 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 369 int ip6_auto_flowlabel = 1; 370 int ip6_gif_hlim = 0; 371 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 372 int ip6_rr_prune = 5; /* router renumbering prefix 373 * walk list every 5 sec. */ 374 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */ 375 int ip6_v6only = 1; 376 377 int ip6_keepfaith = 0; 378 time_t ip6_log_time = (time_t)0L; 379 #ifdef IPSTEALTH 380 int ip6stealth = 0; 381 #endif 382 int ip6_rthdr0_allowed = 0; /* Disallow use of routing header 0 */ 383 /* by default. */ 384 385 /* icmp6 */ 386 /* 387 * BSDI4 defines these variables in in_proto.c... 388 * XXX: what if we don't define INET? Should we define pmtu6_expire 389 * or so? (jinmei@kame.net 19990310) 390 */ 391 int pmtu_expire = 60*10; 392 int pmtu_probe = 60*2; 393 394 /* raw IP6 parameters */ 395 /* 396 * Nominal space allocated to a raw ip socket. 397 */ 398 #define RIPV6SNDQ 8192 399 #define RIPV6RCVQ 8192 400 401 u_long rip6_sendspace = RIPV6SNDQ; 402 u_long rip6_recvspace = RIPV6RCVQ; 403 404 /* ICMPV6 parameters */ 405 int icmp6_rediraccept = 1; /* accept and process redirects */ 406 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 407 int icmp6errppslim = 100; /* 100pps */ 408 /* control how to respond to NI queries */ 409 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 410 411 /* UDP on IP6 parameters */ 412 int udp6_sendspace = 9216; /* really max datagram size */ 413 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 414 /* 40 1K datagrams */ 415 416 /* 417 * sysctl related items. 418 */ 419 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 420 "Internet6 Family"); 421 422 /* net.inet6 */ 423 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 424 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 425 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 426 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 427 #ifdef IPSEC 428 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 429 #endif /* IPSEC */ 430 431 /* net.inet6.ip6 */ 432 static int 433 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 434 { 435 int error = 0; 436 int old; 437 438 error = SYSCTL_OUT(req, arg1, sizeof(int)); 439 if (error || !req->newptr) 440 return (error); 441 old = ip6_temp_preferred_lifetime; 442 error = SYSCTL_IN(req, arg1, sizeof(int)); 443 if (ip6_temp_preferred_lifetime < 444 ip6_desync_factor + ip6_temp_regen_advance) { 445 ip6_temp_preferred_lifetime = old; 446 return (EINVAL); 447 } 448 return (error); 449 } 450 451 static int 452 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 453 { 454 int error = 0; 455 int old; 456 457 error = SYSCTL_OUT(req, arg1, sizeof(int)); 458 if (error || !req->newptr) 459 return (error); 460 old = ip6_temp_valid_lifetime; 461 error = SYSCTL_IN(req, arg1, sizeof(int)); 462 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 463 ip6_temp_preferred_lifetime = old; 464 return (EINVAL); 465 } 466 return (error); 467 } 468 469 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 470 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 471 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 472 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 473 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 474 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 475 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 476 &ip6stat, ip6stat, ""); 477 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 478 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 479 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 480 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 481 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 482 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 483 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 484 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 485 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 486 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 487 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 488 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 489 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 490 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 491 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 492 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 493 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 494 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 495 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 496 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 497 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 498 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 499 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 500 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 501 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 502 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 503 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 504 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 505 sysctl_ip6_temppltime, "I", ""); 506 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 507 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 508 sysctl_ip6_tempvltime, "I", ""); 509 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 510 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 511 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal); 512 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 513 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 514 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 515 &rip6stat, rip6stat, ""); 516 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 517 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 518 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, 519 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,""); 520 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 521 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 522 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, 523 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, ""); 524 #ifdef IPSTEALTH 525 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW, 526 &ip6stealth, 0, ""); 527 #endif 528 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RTHDR0_ALLOWED, 529 rthdr0_allowed, CTLFLAG_RW, &ip6_rthdr0_allowed, 0, ""); 530 531 532 /* net.inet6.icmp6 */ 533 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 534 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 535 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 536 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 537 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 538 &icmp6stat, icmp6stat, ""); 539 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 540 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 541 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 542 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 543 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 544 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 545 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 546 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 547 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 548 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 549 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 550 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 551 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 552 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 553 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 554 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 555 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 556 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 557 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 558 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0, 559 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: a151b98ca44c46b866950793cf46243e
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