in6_proto.c revision 142215
12153Sdcherepanov/* $FreeBSD: head/sys/netinet6/in6_proto.c 142215 2005-02-22 13:04:05Z glebius $ */ 22362Sohair/* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ */ 32153Sdcherepanov 42153Sdcherepanov/*- 52153Sdcherepanov * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 62153Sdcherepanov * All rights reserved. 72153Sdcherepanov * 82153Sdcherepanov * Redistribution and use in source and binary forms, with or without 92153Sdcherepanov * modification, are permitted provided that the following conditions 102153Sdcherepanov * are met: 112153Sdcherepanov * 1. Redistributions of source code must retain the above copyright 122153Sdcherepanov * notice, this list of conditions and the following disclaimer. 132153Sdcherepanov * 2. Redistributions in binary form must reproduce the above copyright 142153Sdcherepanov * notice, this list of conditions and the following disclaimer in the 152153Sdcherepanov * documentation and/or other materials provided with the distribution. 162153Sdcherepanov * 3. Neither the name of the project nor the names of its contributors 172153Sdcherepanov * may be used to endorse or promote products derived from this software 182153Sdcherepanov * without specific prior written permission. 192362Sohair * 202362Sohair * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 212362Sohair * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 222153Sdcherepanov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 232153Sdcherepanov * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 242153Sdcherepanov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 252153Sdcherepanov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 262153Sdcherepanov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 272153Sdcherepanov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 282153Sdcherepanov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 292153Sdcherepanov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 302153Sdcherepanov * SUCH DAMAGE. 312153Sdcherepanov */ 322153Sdcherepanov 332153Sdcherepanov/*- 342153Sdcherepanov * Copyright (c) 1982, 1986, 1993 352153Sdcherepanov * The Regents of the University of California. All rights reserved. 362153Sdcherepanov * 372153Sdcherepanov * Redistribution and use in source and binary forms, with or without 382153Sdcherepanov * modification, are permitted provided that the following conditions 392153Sdcherepanov * are met: 402153Sdcherepanov * 1. Redistributions of source code must retain the above copyright 412153Sdcherepanov * notice, this list of conditions and the following disclaimer. 422153Sdcherepanov * 2. Redistributions in binary form must reproduce the above copyright 432153Sdcherepanov * notice, this list of conditions and the following disclaimer in the 442153Sdcherepanov * documentation and/or other materials provided with the distribution. 452153Sdcherepanov * 4. Neither the name of the University nor the names of its contributors 462153Sdcherepanov * may be used to endorse or promote products derived from this software 472153Sdcherepanov * without specific prior written permission. 482153Sdcherepanov * 492153Sdcherepanov * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 502153Sdcherepanov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 512153Sdcherepanov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 522153Sdcherepanov * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 532153Sdcherepanov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 542153Sdcherepanov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 552153Sdcherepanov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 562153Sdcherepanov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 572153Sdcherepanov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 582153Sdcherepanov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 592153Sdcherepanov * SUCH DAMAGE. 602153Sdcherepanov * 612153Sdcherepanov * @(#)in_proto.c 8.1 (Berkeley) 6/10/93 622153Sdcherepanov */ 632153Sdcherepanov 642153Sdcherepanov#include "opt_inet.h" 652153Sdcherepanov#include "opt_inet6.h" 662153Sdcherepanov#include "opt_ipsec.h" 672153Sdcherepanov#include "opt_carp.h" 682153Sdcherepanov 692153Sdcherepanov#include <sys/param.h> 702153Sdcherepanov#include <sys/socket.h> 712153Sdcherepanov#include <sys/socketvar.h> 722153Sdcherepanov#include <sys/protosw.h> 732153Sdcherepanov#include <sys/kernel.h> 742153Sdcherepanov#include <sys/domain.h> 752153Sdcherepanov#include <sys/mbuf.h> 762153Sdcherepanov#include <sys/systm.h> 772153Sdcherepanov#include <sys/sysctl.h> 782153Sdcherepanov 792153Sdcherepanov#include <net/if.h> 802153Sdcherepanov#include <net/radix.h> 812153Sdcherepanov#include <net/route.h> 822153Sdcherepanov 832153Sdcherepanov#include <netinet/in.h> 842153Sdcherepanov#include <netinet/in_systm.h> 852153Sdcherepanov#include <netinet/in_var.h> 862153Sdcherepanov#include <netinet/ip_encap.h> 872153Sdcherepanov#include <netinet/ip.h> 882153Sdcherepanov#include <netinet/ip_var.h> 892153Sdcherepanov#include <netinet/ip6.h> 902153Sdcherepanov#include <netinet6/ip6_var.h> 912153Sdcherepanov#include <netinet/icmp6.h> 922153Sdcherepanov 932153Sdcherepanov#include <netinet/tcp.h> 942153Sdcherepanov#include <netinet/tcp_timer.h> 952153Sdcherepanov#include <netinet/tcp_var.h> 962153Sdcherepanov#include <netinet/udp.h> 972153Sdcherepanov#include <netinet/udp_var.h> 982153Sdcherepanov#include <netinet6/tcp6_var.h> 992153Sdcherepanov#include <netinet6/raw_ip6.h> 1002153Sdcherepanov#include <netinet6/udp6_var.h> 1012153Sdcherepanov#include <netinet6/pim6_var.h> 1022153Sdcherepanov#include <netinet6/nd6.h> 1032153Sdcherepanov 1042153Sdcherepanov#ifdef IPSEC 1052153Sdcherepanov#include <netinet6/ipsec.h> 1062153Sdcherepanov#ifdef INET6 1072153Sdcherepanov#include <netinet6/ipsec6.h> 1082153Sdcherepanov#endif 1092153Sdcherepanov#include <netinet6/ah.h> 1102153Sdcherepanov#ifdef INET6 1112153Sdcherepanov#include <netinet6/ah6.h> 1122153Sdcherepanov#endif 1132153Sdcherepanov#ifdef IPSEC_ESP 1142153Sdcherepanov#include <netinet6/esp.h> 1152153Sdcherepanov#ifdef INET6 1162153Sdcherepanov#include <netinet6/esp6.h> 1172153Sdcherepanov#endif 1182153Sdcherepanov#endif 1192153Sdcherepanov#include <netinet6/ipcomp.h> 1202153Sdcherepanov#ifdef INET6 1212153Sdcherepanov#include <netinet6/ipcomp6.h> 1222153Sdcherepanov#endif 1232153Sdcherepanov#endif /* IPSEC */ 1242153Sdcherepanov 1252153Sdcherepanov#ifdef DEV_CARP 1262153Sdcherepanov#include <netinet/ip_carp.h> 1272153Sdcherepanov#endif 1282153Sdcherepanov 1292153Sdcherepanov#ifdef FAST_IPSEC 1302153Sdcherepanov#include <netipsec/ipsec6.h> 1312153Sdcherepanov#define IPSEC 1322153Sdcherepanov#define IPSEC_ESP 1332153Sdcherepanov#define ah6_input ipsec6_common_input 1342153Sdcherepanov#define esp6_input ipsec6_common_input 1352153Sdcherepanov#define ipcomp6_input ipsec6_common_input 1362153Sdcherepanov#endif /* FAST_IPSEC */ 1372153Sdcherepanov 1382153Sdcherepanov#include <netinet6/ip6protosw.h> 1392153Sdcherepanov 1402153Sdcherepanov#include <net/net_osdep.h> 1412153Sdcherepanov 1422153Sdcherepanov/* 1432153Sdcherepanov * TCP/IP protocol family: IP6, ICMP6, UDP, TCP. 1442153Sdcherepanov */ 1452153Sdcherepanov 1462153Sdcherepanovextern struct domain inet6domain; 1472153Sdcherepanovstatic struct pr_usrreqs nousrreqs; 1482153Sdcherepanov 1492153Sdcherepanov#define PR_LISTEN 0 1502153Sdcherepanov#define PR_ABRTACPTDIS 0 1512153Sdcherepanov 1522153Sdcherepanovstruct ip6protosw inet6sw[] = { 1532153Sdcherepanov{ 0, &inet6domain, IPPROTO_IPV6, 0, 1542153Sdcherepanov 0, 0, 0, 0, 1552153Sdcherepanov 0, 1562153Sdcherepanov ip6_init, 0, frag6_slowtimo, frag6_drain, 1572153Sdcherepanov &nousrreqs, 1582153Sdcherepanov}, 1592153Sdcherepanov{ SOCK_DGRAM, &inet6domain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 1602153Sdcherepanov udp6_input, 0, udp6_ctlinput, ip6_ctloutput, 1612153Sdcherepanov 0, 1622153Sdcherepanov 0, 0, 0, 0, 1632153Sdcherepanov &udp6_usrreqs, 1642153Sdcherepanov}, 1652153Sdcherepanov{ SOCK_STREAM, &inet6domain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN, 1662153Sdcherepanov tcp6_input, 0, tcp6_ctlinput, tcp_ctloutput, 1672153Sdcherepanov 0, 1682153Sdcherepanov#ifdef INET /* don't call initialization and timeout routines twice */ 1692153Sdcherepanov 0, 0, 0, tcp_drain, 1702153Sdcherepanov#else 1712153Sdcherepanov tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, 1722153Sdcherepanov#endif 1732153Sdcherepanov &tcp6_usrreqs, 1742153Sdcherepanov}, 1752153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 1762153Sdcherepanov rip6_input, rip6_output, rip6_ctlinput, rip6_ctloutput, 1772153Sdcherepanov 0, 1782153Sdcherepanov 0, 0, 0, 0, 1792153Sdcherepanov &rip6_usrreqs 1802153Sdcherepanov}, 1812153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_ICMPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 1822153Sdcherepanov icmp6_input, rip6_output, rip6_ctlinput, rip6_ctloutput, 1832153Sdcherepanov 0, 1842153Sdcherepanov icmp6_init, icmp6_fasttimo, 0, 0, 1852153Sdcherepanov &rip6_usrreqs 1862153Sdcherepanov}, 1872153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_DSTOPTS,PR_ATOMIC|PR_ADDR, 1882153Sdcherepanov dest6_input, 0, 0, 0, 1892153Sdcherepanov 0, 1902153Sdcherepanov 0, 0, 0, 0, 1912153Sdcherepanov &nousrreqs 1922153Sdcherepanov}, 1932153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_ROUTING,PR_ATOMIC|PR_ADDR, 1942153Sdcherepanov route6_input, 0, 0, 0, 1952153Sdcherepanov 0, 1962153Sdcherepanov 0, 0, 0, 0, 1972153Sdcherepanov &nousrreqs 1982153Sdcherepanov}, 1992153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_FRAGMENT,PR_ATOMIC|PR_ADDR, 2002153Sdcherepanov frag6_input, 0, 0, 0, 2012153Sdcherepanov 0, 2022153Sdcherepanov 0, 0, 0, 0, 2032153Sdcherepanov &nousrreqs 2042153Sdcherepanov}, 2052153Sdcherepanov#ifdef IPSEC 2062153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_AH, PR_ATOMIC|PR_ADDR, 2072153Sdcherepanov ah6_input, 0, 0, 0, 2082153Sdcherepanov 0, 2092153Sdcherepanov 0, 0, 0, 0, 2102153Sdcherepanov &nousrreqs, 2112153Sdcherepanov}, 2122153Sdcherepanov#ifdef IPSEC_ESP 2132153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR, 2142153Sdcherepanov esp6_input, 0, 2152153Sdcherepanov esp6_ctlinput, 2162153Sdcherepanov 0, 2172153Sdcherepanov 0, 2182153Sdcherepanov 0, 0, 0, 0, 2192153Sdcherepanov &nousrreqs, 2202153Sdcherepanov}, 2212153Sdcherepanov#endif 2222153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR, 2232153Sdcherepanov ipcomp6_input, 0, 0, 0, 2242153Sdcherepanov 0, 2252153Sdcherepanov 0, 0, 0, 0, 2262153Sdcherepanov &nousrreqs, 2272153Sdcherepanov}, 2282153Sdcherepanov#endif /* IPSEC */ 2292153Sdcherepanov#ifdef INET 2302153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 2312153Sdcherepanov encap6_input, rip6_output, 0, rip6_ctloutput, 2322153Sdcherepanov 0, 2332153Sdcherepanov encap_init, 0, 0, 0, 2342153Sdcherepanov &rip6_usrreqs 2352153Sdcherepanov}, 2362153Sdcherepanov#endif /* INET */ 2372153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 2382153Sdcherepanov encap6_input, rip6_output, 0, rip6_ctloutput, 2392153Sdcherepanov 0, 2402153Sdcherepanov encap_init, 0, 0, 0, 2412153Sdcherepanov &rip6_usrreqs 2422153Sdcherepanov}, 2432153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_PIM, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 2442153Sdcherepanov pim6_input, rip6_output, 0, rip6_ctloutput, 2452153Sdcherepanov 0, 2462153Sdcherepanov 0, 0, 0, 0, 2472153Sdcherepanov &rip6_usrreqs 2482153Sdcherepanov}, 2492153Sdcherepanov#ifdef DEV_CARP 2502153Sdcherepanov{ SOCK_RAW, &inet6domain, IPPROTO_CARP, PR_ATOMIC|PR_ADDR, 2512153Sdcherepanov carp6_input, rip6_output, 0, rip6_ctloutput, 2522153Sdcherepanov 0, 2532153Sdcherepanov 0, 0, 0, 0, 2542153Sdcherepanov &rip6_usrreqs 2552153Sdcherepanov}, 2562153Sdcherepanov#endif /* DEV_CARP */ 2572153Sdcherepanov/* raw wildcard */ 2582153Sdcherepanov{ SOCK_RAW, &inet6domain, 0, PR_ATOMIC|PR_ADDR, 2592153Sdcherepanov rip6_input, rip6_output, 0, rip6_ctloutput, 2602153Sdcherepanov 0, 2612153Sdcherepanov 0, 0, 0, 0, 2622153Sdcherepanov &rip6_usrreqs 2632153Sdcherepanov}, 2642153Sdcherepanov}; 2652153Sdcherepanov 2662153Sdcherepanovextern int in6_inithead __P((void **, int)); 2672153Sdcherepanov 2682153Sdcherepanovstruct domain inet6domain = 2692153Sdcherepanov { AF_INET6, "internet6", 0, 0, 0, 2702153Sdcherepanov (struct protosw *)inet6sw, 2712153Sdcherepanov (struct protosw *)&inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])], 0, 2722153Sdcherepanov in6_inithead, 2732153Sdcherepanov offsetof(struct sockaddr_in6, sin6_addr) << 3, 2742153Sdcherepanov sizeof(struct sockaddr_in6), 2752153Sdcherepanov in6_domifattach, in6_domifdetach, }; 2762153Sdcherepanov 2772153SdcherepanovDOMAIN_SET(inet6); 2782153Sdcherepanov 2792153Sdcherepanov/* 2802153Sdcherepanov * Internet configuration info 2812153Sdcherepanov */ 2822153Sdcherepanov#ifndef IPV6FORWARDING 2832153Sdcherepanov#ifdef GATEWAY6 2842153Sdcherepanov#define IPV6FORWARDING 1 /* forward IP6 packets not for us */ 2852153Sdcherepanov#else 2862153Sdcherepanov#define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */ 2872153Sdcherepanov#endif /* GATEWAY6 */ 2882153Sdcherepanov#endif /* !IPV6FORWARDING */ 2892153Sdcherepanov 290#ifndef IPV6_SENDREDIRECTS 291#define IPV6_SENDREDIRECTS 1 292#endif 293 294int ip6_forwarding = IPV6FORWARDING; /* act as router? */ 295int ip6_sendredirects = IPV6_SENDREDIRECTS; 296int ip6_defhlim = IPV6_DEFHLIM; 297int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS; 298int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */ 299int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */ 300int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */ 301int ip6_log_interval = 5; 302int ip6_hdrnestlimit = 50; /* appropriate? */ 303int ip6_dad_count = 1; /* DupAddrDetectionTransmits */ 304int ip6_auto_flowlabel = 1; 305int ip6_gif_hlim = 0; 306int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */ 307int ip6_rr_prune = 5; /* router renumbering prefix 308 * walk list every 5 sec. */ 309int ip6_v6only = 1; 310 311int ip6_keepfaith = 0; 312time_t ip6_log_time = (time_t)0L; 313 314/* icmp6 */ 315/* 316 * BSDI4 defines these variables in in_proto.c... 317 * XXX: what if we don't define INET? Should we define pmtu6_expire 318 * or so? (jinmei@kame.net 19990310) 319 */ 320int pmtu_expire = 60*10; 321int pmtu_probe = 60*2; 322 323/* raw IP6 parameters */ 324/* 325 * Nominal space allocated to a raw ip socket. 326 */ 327#define RIPV6SNDQ 8192 328#define RIPV6RCVQ 8192 329 330u_long rip6_sendspace = RIPV6SNDQ; 331u_long rip6_recvspace = RIPV6RCVQ; 332 333/* ICMPV6 parameters */ 334int icmp6_rediraccept = 1; /* accept and process redirects */ 335int icmp6_redirtimeout = 10 * 60; /* 10 minutes */ 336int icmp6errppslim = 100; /* 100pps */ 337int icmp6_nodeinfo = 3; /* enable/disable NI response */ 338 339/* UDP on IP6 parameters */ 340int udp6_sendspace = 9216; /* really max datagram size */ 341int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6)); 342 /* 40 1K datagrams */ 343 344/* 345 * sysctl related items. 346 */ 347SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0, 348 "Internet6 Family"); 349 350/* net.inet6 */ 351SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6"); 352SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6"); 353SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6"); 354SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6"); 355#ifdef IPSEC 356SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6"); 357#endif /* IPSEC */ 358 359/* net.inet6.ip6 */ 360static int 361sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS) 362{ 363 int error = 0; 364 int old; 365 366 error = SYSCTL_OUT(req, arg1, sizeof(int)); 367 if (error || !req->newptr) 368 return (error); 369 old = ip6_temp_preferred_lifetime; 370 error = SYSCTL_IN(req, arg1, sizeof(int)); 371 if (ip6_temp_preferred_lifetime < 372 ip6_desync_factor + ip6_temp_regen_advance) { 373 ip6_temp_preferred_lifetime = old; 374 return (EINVAL); 375 } 376 return (error); 377} 378 379static int 380sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS) 381{ 382 int error = 0; 383 int old; 384 385 error = SYSCTL_OUT(req, arg1, sizeof(int)); 386 if (error || !req->newptr) 387 return (error); 388 old = ip6_temp_valid_lifetime; 389 error = SYSCTL_IN(req, arg1, sizeof(int)); 390 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) { 391 ip6_temp_preferred_lifetime = old; 392 return (EINVAL); 393 } 394 return (error); 395} 396 397SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, 398 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, ""); 399SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, 400 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, ""); 401SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, 402 hlim, CTLFLAG_RW, &ip6_defhlim, 0, ""); 403SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD, 404 &ip6stat, ip6stat, ""); 405SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, 406 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, ""); 407SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, 408 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, ""); 409SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, 410 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, ""); 411SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, 412 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, ""); 413SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, 414 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, ""); 415SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, 416 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, ""); 417SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, 418 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, ""); 419SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, 420 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, ""); 421SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, 422 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, ""); 423SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, 424 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, ""); 425SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, 426 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, ""); 427SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, 428 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, ""); 429SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, 430 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, ""); 431SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime, 432 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0, 433 sysctl_ip6_temppltime, "I", ""); 434SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime, 435 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0, 436 sysctl_ip6_tempvltime, "I", ""); 437SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, 438 v6only, CTLFLAG_RW, &ip6_v6only, 0, ""); 439SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, 440 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, ""); 441SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD, 442 &rip6stat, rip6stat, ""); 443SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, 444 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, ""); 445SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, 446 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, ""); 447 448/* net.inet6.icmp6 */ 449SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, 450 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, ""); 451SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, 452 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, ""); 453SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD, 454 &icmp6stat, icmp6stat, ""); 455SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, 456 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, ""); 457SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, 458 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, ""); 459SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, 460 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, ""); 461SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, 462 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, ""); 463SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, 464 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, ""); 465SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, 466 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, ""); 467SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, 468 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, ""); 469SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, 470 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, ""); 471SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, 472 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, ""); 473