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>
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64__FBSDID("$FreeBSD: head/sys/netinet6/in6_proto.c 274223 2014-11-07 08:58:05Z glebius $");
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64__FBSDID("$FreeBSD: head/sys/netinet6/in6_proto.c 274225 2014-11-07 09:39:05Z glebius $"); |
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 */ 133FEATURE(inet6, "Internet Protocol version 6"); 134 135extern struct domain inet6domain; 136static 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 149struct protosw 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_DGRAM, 219 .pr_domain = &inet6domain, 220 .pr_protocol = IPPROTO_UDPLITE, 221 .pr_flags = PR_ATOMIC|PR_ADDR, 222 .pr_input = udp6_input, 223 .pr_ctlinput = udplite6_ctlinput, 224 .pr_ctloutput = udp_ctloutput, 225#ifndef INET /* Do not call initialization twice. */ 226 .pr_init = udplite_init, 227#endif 228 .pr_usrreqs = &udp6_usrreqs, 229}, 230{ 231 .pr_type = SOCK_RAW, 232 .pr_domain = &inet6domain, 233 .pr_protocol = IPPROTO_RAW, 234 .pr_flags = PR_ATOMIC|PR_ADDR, 235 .pr_input = rip6_input, 236 .pr_output = rip6_output, 237 .pr_ctlinput = rip6_ctlinput, 238 .pr_ctloutput = rip6_ctloutput, 239#ifndef INET /* Do not call initialization twice. */ 240 .pr_init = rip_init, 241#endif 242 .pr_usrreqs = &rip6_usrreqs 243}, 244{ 245 .pr_type = SOCK_RAW, 246 .pr_domain = &inet6domain, 247 .pr_protocol = IPPROTO_ICMPV6, 248 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 249 .pr_input = icmp6_input, 250 .pr_output = rip6_output, 251 .pr_ctlinput = rip6_ctlinput, 252 .pr_ctloutput = rip6_ctloutput, 253 .pr_fasttimo = icmp6_fasttimo, 254 .pr_slowtimo = icmp6_slowtimo, 255 .pr_usrreqs = &rip6_usrreqs 256}, 257{ 258 .pr_type = SOCK_RAW, 259 .pr_domain = &inet6domain, 260 .pr_protocol = IPPROTO_DSTOPTS, 261 .pr_flags = PR_ATOMIC|PR_ADDR, 262 .pr_input = dest6_input, 263 .pr_usrreqs = &nousrreqs 264}, 265{ 266 .pr_type = SOCK_RAW, 267 .pr_domain = &inet6domain, 268 .pr_protocol = IPPROTO_ROUTING, 269 .pr_flags = PR_ATOMIC|PR_ADDR, 270 .pr_input = route6_input, 271 .pr_usrreqs = &nousrreqs 272}, 273{ 274 .pr_type = SOCK_RAW, 275 .pr_domain = &inet6domain, 276 .pr_protocol = IPPROTO_FRAGMENT, 277 .pr_flags = PR_ATOMIC|PR_ADDR, 278 .pr_input = frag6_input, 279 .pr_usrreqs = &nousrreqs 280}, 281#ifdef IPSEC 282{ 283 .pr_type = SOCK_RAW, 284 .pr_domain = &inet6domain, 285 .pr_protocol = IPPROTO_AH, 286 .pr_flags = PR_ATOMIC|PR_ADDR, 287 .pr_input = ipsec6_common_input, 288 .pr_usrreqs = &nousrreqs, 289}, 290{ 291 .pr_type = SOCK_RAW, 292 .pr_domain = &inet6domain, 293 .pr_protocol = IPPROTO_ESP, 294 .pr_flags = PR_ATOMIC|PR_ADDR, 295 .pr_input = ipsec6_common_input, 296 .pr_ctlinput = esp6_ctlinput, 297 .pr_usrreqs = &nousrreqs, 298}, 299{ 300 .pr_type = SOCK_RAW, 301 .pr_domain = &inet6domain, 302 .pr_protocol = IPPROTO_IPCOMP, 303 .pr_flags = PR_ATOMIC|PR_ADDR, 304 .pr_input = ipsec6_common_input, 305 .pr_usrreqs = &nousrreqs, 306}, 307#endif /* IPSEC */ 308#ifdef INET 309{ 310 .pr_type = SOCK_RAW, 311 .pr_domain = &inet6domain, 312 .pr_protocol = IPPROTO_IPV4, 313 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 314 .pr_input = encap6_input, 315 .pr_output = rip6_output, 316 .pr_ctloutput = rip6_ctloutput, 317 .pr_init = encap_init, 318 .pr_usrreqs = &rip6_usrreqs 319}, 320#endif /* INET */ 321{ 322 .pr_type = SOCK_RAW, 323 .pr_domain = &inet6domain, 324 .pr_protocol = IPPROTO_IPV6, 325 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 326 .pr_input = encap6_input, 327 .pr_output = rip6_output, 328 .pr_ctloutput = rip6_ctloutput, 329 .pr_init = encap_init, 330 .pr_usrreqs = &rip6_usrreqs 331}, 332{ 333 .pr_type = SOCK_RAW, 334 .pr_domain = &inet6domain, 335 .pr_protocol = IPPROTO_PIM, 336 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR, 337 .pr_input = encap6_input, 338 .pr_output = rip6_output, 339 .pr_ctloutput = rip6_ctloutput, 340 .pr_usrreqs = &rip6_usrreqs 341}, 342/* Spacer n-times for loadable protocols. */ 343IP6PROTOSPACER, 344IP6PROTOSPACER, 345IP6PROTOSPACER, 346IP6PROTOSPACER, 347IP6PROTOSPACER, 348IP6PROTOSPACER, 349IP6PROTOSPACER, 350IP6PROTOSPACER, 351/* raw wildcard */ 352{ 353 .pr_type = SOCK_RAW, 354 .pr_domain = &inet6domain, 355 .pr_flags = PR_ATOMIC|PR_ADDR, 356 .pr_input = rip6_input, 357 .pr_output = rip6_output, 358 .pr_ctloutput = rip6_ctloutput, 359 .pr_usrreqs = &rip6_usrreqs 360}, 361}; 362 363extern int in6_inithead(void **, int); 364#ifdef VIMAGE 365extern int in6_detachhead(void **, int); 366#endif 367 368struct domain inet6domain = { 369 .dom_family = AF_INET6, 370 .dom_name = "internet6", 371 .dom_protosw = (struct protosw *)inet6sw, 372 .dom_protoswNPROTOSW = (struct protosw *) 373 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 374#ifdef RADIX_MPATH 375 .dom_rtattach = rn6_mpath_inithead, 376#else 377 .dom_rtattach = in6_inithead, 378#endif 379#ifdef VIMAGE 380 .dom_rtdetach = in6_detachhead, 381#endif 382 .dom_ifattach = in6_domifattach, 383 .dom_ifdetach = in6_domifdetach, 384 .dom_ifmtu = in6_domifmtu 385}; 386 387VNET_DOMAIN_SET(inet6); 388 389/* 390 * Internet configuration info 391 */ 392#ifndef IPV6FORWARDING 393#ifdef GATEWAY6 394#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 395#else 396#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 397#endif /* GATEWAY6 */ 398#endif /* !IPV6FORWARDING */ 399 400#ifndef IPV6_SENDREDIRECTS 401#define IPV6_SENDREDIRECTS 1 402#endif 403 404VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */ 405VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS; 406VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM; 407VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS; 408VNET_DEFINE(int, ip6_accept_rtadv) = 0; 409VNET_DEFINE(int, ip6_no_radr) = 0; 410VNET_DEFINE(int, ip6_norbit_raif) = 0; 411VNET_DEFINE(int, ip6_rfc6204w3) = 0; 412VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */ 413VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */ 414VNET_DEFINE(int, ip6_log_interval) = 5; 415VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we 416 * process? */ 417VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */ 418VNET_DEFINE(int, ip6_auto_flowlabel) = 1; 419VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr 420 * (RFC2462 5.5.4) */ 421VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix 422 * walk list every 5 sec. */ 423VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */ 424VNET_DEFINE(int, ip6_v6only) = 1; 425 426VNET_DEFINE(int, ip6_keepfaith) = 0; 427VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L; 428#ifdef IPSTEALTH 429VNET_DEFINE(int, ip6stealth) = 0; 430#endif 431VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS 432 * (RFC 4861) */ 433 434/* icmp6 */ 435/* 436 * BSDI4 defines these variables in in_proto.c... 437 * XXX: what if we don't define INET? Should we define pmtu6_expire 438 * or so? (jinmei@kame.net 19990310) 439 */ 440VNET_DEFINE(int, pmtu_expire) = 60*10; 441VNET_DEFINE(int, pmtu_probe) = 60*2; 442 443/* ICMPV6 parameters */ 444VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */ 445VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */ 446VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */ 447/* control how to respond to NI queries */ 448VNET_DEFINE(int, icmp6_nodeinfo) = 449 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK); 450VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1; 451 452/* 453 * sysctl related items. 454 */ 455SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 456 "Internet6 Family"); 457 458/* net.inet6 */ 459SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 460SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 461SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 462SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 463#ifdef SCTP 464SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6"); 465#endif 466#ifdef IPSEC 467SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 468#endif /* IPSEC */ 469 470/* net.inet6.ip6 */ 471static int 472sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 473{ 474 int error = 0; 475 int old; 476 477 error = SYSCTL_OUT(req, arg1, sizeof(int)); 478 if (error || !req->newptr) 479 return (error); 480 old = V_ip6_temp_preferred_lifetime; 481 error = SYSCTL_IN(req, arg1, sizeof(int)); 482 if (V_ip6_temp_preferred_lifetime < 483 V_ip6_desync_factor + V_ip6_temp_regen_advance) { 484 V_ip6_temp_preferred_lifetime = old; 485 return (EINVAL); 486 } 487 return (error); 488} 489 490static int 491sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 492{ 493 int error = 0; 494 int old; 495 496 error = SYSCTL_OUT(req, arg1, sizeof(int)); 497 if (error || !req->newptr) 498 return (error); 499 old = V_ip6_temp_valid_lifetime; 500 error = SYSCTL_IN(req, arg1, sizeof(int)); 501 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) { 502 V_ip6_temp_preferred_lifetime = old; 503 return (EINVAL); 504 } 505 return (error); 506} 507
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508SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
509 &VNET_NAME(ip6_forwarding), 0, "");
510SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
511 &VNET_NAME(ip6_sendredirects), 0, "");
512SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
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508SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, 509 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_forwarding), 0, ""); 510SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, 511 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_sendredirects), 0, ""); 512SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_VNET | CTLFLAG_RW, |
513 &VNET_NAME(ip6_defhlim), 0, ""); 514SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
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515 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
516SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
517 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
518SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
519 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
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515 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)"); 516SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets, 517 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, ""); 518SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv, 519 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, |
520 "Default value of per-interface flag for accepting ICMPv6 Router" 521 "Advertisement messages");
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522SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
523 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
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522SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr, 523 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0, |
524 "Default value of per-interface flag to control whether routers " 525 "sending ICMPv6 RA messages on that interface are added into the " 526 "default router list.");
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527SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
528 &VNET_NAME(ip6_norbit_raif), 0,
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527SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, 528 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_norbit_raif), 0, |
529 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA" 530 " on the interface.");
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531SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
532 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
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531SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3, 532 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0, |
533 "Accept the default router list from ICMPv6 RA messages even " 534 "when packet forwarding enabled.");
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535SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
536 &VNET_NAME(ip6_keepfaith), 0, "");
537SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
538 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
539SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
540 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
541SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
542 &VNET_NAME(ip6_dad_count), 0, "");
543SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
544 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
545SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
546 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
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535SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, 536 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_keepfaith), 0, ""); 537SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval, 538 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, ""); 539SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, 540 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, ""); 541SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, 542 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_dad_count), 0, ""); 543SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, 544 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, ""); 545SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, 546 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, ""); |
547SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version, 548 CTLFLAG_RD, __KAME_VERSION, 0, "");
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549SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
550 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
551SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
552 &VNET_NAME(ip6_rr_prune), 0, "");
553SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
554 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
555SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
556 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
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549SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, 550 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, ""); 551SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, 552 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rr_prune), 0, ""); 553SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, 554 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, ""); 555SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 556 CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW, 557 &VNET_NAME(ip6_temp_preferred_lifetime), 0, |
558 sysctl_ip6_temppltime, "I", "");
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558SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
559 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
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559SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 560 CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW, 561 &VNET_NAME(ip6_temp_valid_lifetime), 0, |
562 sysctl_ip6_tempvltime, "I", "");
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561SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
562 &VNET_NAME(ip6_v6only), 0, "");
563SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
564 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
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563SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, 564 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_v6only), 0, ""); 565SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, 566 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, |
567 "Default value of per-interface flag for automatically adding an IPv6" 568 " link-local address to interfaces when attached"); 569SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
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568 struct rip6stat, rip6stat,
569 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
570SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
571 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
572SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
573 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
574SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
575 &VNET_NAME(ip6_maxfrags), 0, "");
576SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
577 &VNET_NAME(ip6_mcast_pmtu), 0, "");
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570 struct rip6stat, rip6stat, 571 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)"); 572SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr, 573 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, ""); 574SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone, 575 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,""); 576SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, 577 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_maxfrags), 0, ""); 578SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, 579 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_mcast_pmtu), 0, ""); |
580#ifdef IPSTEALTH
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579SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
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581SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_VNET | CTLFLAG_RW, |
582 &VNET_NAME(ip6stealth), 0, ""); 583#endif 584 585/* net.inet6.icmp6 */
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584SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
585 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
586SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
587 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
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586SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, 587 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, ""); 588SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, 589 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, ""); |
590SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
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589 struct icmp6stat, icmp6stat,
590 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
591SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
592 &VNET_NAME(nd6_prune), 0, "");
593SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
594 &VNET_NAME(nd6_delay), 0, "");
595SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
596 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
597SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
598 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
599SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
600 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
601SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
602 &VNET_NAME(icmp6_nodeinfo), 0, "");
603SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
604 nodeinfo_oldmcprefix, CTLFLAG_RW,
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591 struct icmp6stat, icmp6stat, 592 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)"); 593SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, 594 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_prune), 0, ""); 595SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, 596 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_delay), 0, ""); 597SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, 598 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, ""); 599SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, 600 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, ""); 601SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, 602 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, ""); 603SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, 604 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_nodeinfo), 0, ""); 605SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX, 606 nodeinfo_oldmcprefix, CTLFLAG_VNET | CTLFLAG_RW, |
607 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0, 608 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup" 609 " for compatibility with KAME implememtation.");
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608SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
609 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
610SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
611 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
612SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
613 &VNET_NAME(nd6_debug), 0, "");
614SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
615 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
616 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
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610SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit, 611 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, ""); 612SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, 613 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, ""); 614SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, 615 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_debug), 0, ""); 616SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861, 617 nd6_onlink_ns_rfc4861, CTLFLAG_VNET | CTLFLAG_RW, 618 &VNET_NAME(nd6_onlink_ns_rfc4861), 0, 619 "Accept 'on-link' nd6 NS in compliance with RFC 4861."); |
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