2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $
33 * Copyright (c) 1982, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
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.
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
60 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
63 #include <sys/cdefs.h>
64 __FBSDID("$FreeBSD$");
67 #include "opt_inet6.h"
68 #include "opt_ipsec.h"
69 #include "opt_ipstealth.h"
71 #include "opt_mpath.h"
72 #include "opt_route.h"
74 #include <sys/param.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
78 #include <sys/protosw.h>
80 #include <sys/kernel.h>
81 #include <sys/domain.h>
83 #include <sys/systm.h>
84 #include <sys/sysctl.h>
87 #include <net/if_var.h>
88 #include <net/radix.h>
89 #include <net/route.h>
91 #include <net/radix_mpath.h>
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>
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>
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>
124 #include <netipsec/ipsec.h>
125 #include <netipsec/ipsec6.h>
128 #include <netinet6/ip6protosw.h>
131 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
133 FEATURE(inet6, "Internet Protocol version 6");
135 extern struct domain inet6domain;
136 static struct pr_usrreqs nousrreqs;
139 #define PR_ABRTACPTDIS 0
141 /* Spacer for loadable protocols. */
142 #define IP6PROTOSPACER \
144 .pr_domain = &inet6domain, \
145 .pr_protocol = PROTO_SPACER, \
146 .pr_usrreqs = &nousrreqs \
149 struct protosw inet6sw[] = {
152 .pr_domain = &inet6domain,
153 .pr_protocol = IPPROTO_IPV6,
156 .pr_destroy = ip6_destroy,
158 .pr_slowtimo = frag6_slowtimo,
159 .pr_drain = frag6_drain,
160 .pr_usrreqs = &nousrreqs,
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. */
173 .pr_usrreqs = &udp6_usrreqs,
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 */
185 .pr_slowtimo = tcp_slowtimo,
187 .pr_drain = tcp_drain,
188 .pr_usrreqs = &tcp6_usrreqs,
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,
203 .pr_usrreqs = &sctp6_usrreqs
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
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,
228 .pr_usrreqs = &udp6_usrreqs,
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. */
242 .pr_usrreqs = &rip6_usrreqs
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
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
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
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
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,
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,
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,
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
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
334 .pr_domain = &inet6domain,
335 .pr_protocol = IPPROTO_GRE,
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_init = encap_init,
341 .pr_usrreqs = &rip6_usrreqs
345 .pr_domain = &inet6domain,
346 .pr_protocol = IPPROTO_PIM,
347 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
348 .pr_input = encap6_input,
349 .pr_output = rip6_output,
350 .pr_ctloutput = rip6_ctloutput,
351 .pr_usrreqs = &rip6_usrreqs
353 /* Spacer n-times for loadable protocols. */
365 .pr_domain = &inet6domain,
366 .pr_flags = PR_ATOMIC|PR_ADDR,
367 .pr_input = rip6_input,
368 .pr_output = rip6_output,
369 .pr_ctloutput = rip6_ctloutput,
370 .pr_usrreqs = &rip6_usrreqs
374 extern int in6_inithead(void **, int);
376 extern int in6_detachhead(void **, int);
379 struct domain inet6domain = {
380 .dom_family = AF_INET6,
381 .dom_name = "internet6",
382 .dom_protosw = (struct protosw *)inet6sw,
383 .dom_protoswNPROTOSW = (struct protosw *)
384 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
386 .dom_rtattach = rn6_mpath_inithead,
388 .dom_rtattach = in6_inithead,
391 .dom_rtdetach = in6_detachhead,
393 .dom_ifattach = in6_domifattach,
394 .dom_ifdetach = in6_domifdetach,
395 .dom_ifmtu = in6_domifmtu
398 VNET_DOMAIN_SET(inet6);
401 * Internet configuration info
403 #ifndef IPV6FORWARDING
405 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
407 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
408 #endif /* GATEWAY6 */
409 #endif /* !IPV6FORWARDING */
411 #ifndef IPV6_SENDREDIRECTS
412 #define IPV6_SENDREDIRECTS 1
415 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
416 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
417 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
418 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
419 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
420 VNET_DEFINE(int, ip6_no_radr) = 0;
421 VNET_DEFINE(int, ip6_norbit_raif) = 0;
422 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
423 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
424 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
425 VNET_DEFINE(int, ip6_log_interval) = 5;
426 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
428 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
429 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
430 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
432 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
433 * walk list every 5 sec. */
434 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
435 VNET_DEFINE(int, ip6_v6only) = 1;
437 VNET_DEFINE(int, ip6_keepfaith) = 0;
438 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
440 VNET_DEFINE(int, ip6stealth) = 0;
442 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
447 * BSDI4 defines these variables in in_proto.c...
448 * XXX: what if we don't define INET? Should we define pmtu6_expire
449 * or so? (jinmei@kame.net 19990310)
451 VNET_DEFINE(int, pmtu_expire) = 60*10;
452 VNET_DEFINE(int, pmtu_probe) = 60*2;
454 /* ICMPV6 parameters */
455 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
456 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
457 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
458 /* control how to respond to NI queries */
459 VNET_DEFINE(int, icmp6_nodeinfo) =
460 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
461 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
464 * sysctl related items.
466 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
470 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
471 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
472 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
473 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
475 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
478 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
483 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
488 error = SYSCTL_OUT(req, arg1, sizeof(int));
489 if (error || !req->newptr)
491 old = V_ip6_temp_preferred_lifetime;
492 error = SYSCTL_IN(req, arg1, sizeof(int));
493 if (V_ip6_temp_preferred_lifetime <
494 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
495 V_ip6_temp_preferred_lifetime = old;
502 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
507 error = SYSCTL_OUT(req, arg1, sizeof(int));
508 if (error || !req->newptr)
510 old = V_ip6_temp_valid_lifetime;
511 error = SYSCTL_IN(req, arg1, sizeof(int));
512 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
513 V_ip6_temp_preferred_lifetime = old;
519 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding,
520 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_forwarding), 0, "");
521 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect,
522 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_sendredirects), 0, "");
523 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_VNET | CTLFLAG_RW,
524 &VNET_NAME(ip6_defhlim), 0, "");
525 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
526 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
527 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
528 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
529 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
530 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
531 "Default value of per-interface flag for accepting ICMPv6 Router"
532 "Advertisement messages");
533 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
534 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
535 "Default value of per-interface flag to control whether routers "
536 "sending ICMPv6 RA messages on that interface are added into the "
537 "default router list.");
538 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif,
539 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_norbit_raif), 0,
540 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
541 " on the interface.");
542 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
543 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
544 "Accept the default router list from ICMPv6 RA messages even "
545 "when packet forwarding enabled.");
546 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith,
547 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_keepfaith), 0, "");
548 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
549 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
550 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
551 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
552 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count,
553 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_dad_count), 0, "");
554 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
555 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
556 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
557 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
558 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
559 CTLFLAG_RD, __KAME_VERSION, 0, "");
560 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
561 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
562 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune,
563 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_rr_prune), 0, "");
564 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
565 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
566 SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
567 CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW,
568 &VNET_NAME(ip6_temp_preferred_lifetime), 0,
569 sysctl_ip6_temppltime, "I", "");
570 SYSCTL_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
571 CTLFLAG_VNET | CTLTYPE_INT | CTLFLAG_RW,
572 &VNET_NAME(ip6_temp_valid_lifetime), 0,
573 sysctl_ip6_tempvltime, "I", "");
574 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only,
575 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_v6only), 0, "");
576 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
577 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
578 "Default value of per-interface flag for automatically adding an IPv6"
579 " link-local address to interfaces when attached");
580 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
581 struct rip6stat, rip6stat,
582 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
583 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
584 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
585 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
586 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
587 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags,
588 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_maxfrags), 0, "");
589 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu,
590 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_mcast_pmtu), 0, "");
592 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_VNET | CTLFLAG_RW,
593 &VNET_NAME(ip6stealth), 0, "");
596 /* net.inet6.icmp6 */
597 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
598 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
599 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
600 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
601 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
602 struct icmp6stat, icmp6stat,
603 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
604 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune,
605 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_prune), 0, "");
606 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay,
607 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_delay), 0, "");
608 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
609 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
610 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
611 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
612 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
613 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
614 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo,
615 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6_nodeinfo), 0, "");
616 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
617 nodeinfo_oldmcprefix, CTLFLAG_VNET | CTLFLAG_RW,
618 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
619 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup"
620 " for compatibility with KAME implememtation.");
621 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
622 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
623 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
624 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
625 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug,
626 CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(nd6_debug), 0, "");
627 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
628 nd6_onlink_ns_rfc4861, CTLFLAG_VNET | CTLFLAG_RW,
629 &VNET_NAME(nd6_onlink_ns_rfc4861), 0,
630 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");