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 ip6protosw 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
219 .pr_domain = &inet6domain,
220 .pr_protocol = IPPROTO_RAW,
221 .pr_flags = PR_ATOMIC|PR_ADDR,
222 .pr_input = rip6_input,
223 .pr_output = rip6_output,
224 .pr_ctlinput = rip6_ctlinput,
225 .pr_ctloutput = rip6_ctloutput,
226 #ifndef INET /* Do not call initialization twice. */
229 .pr_usrreqs = &rip6_usrreqs
233 .pr_domain = &inet6domain,
234 .pr_protocol = IPPROTO_ICMPV6,
235 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
236 .pr_input = icmp6_input,
237 .pr_output = rip6_output,
238 .pr_ctlinput = rip6_ctlinput,
239 .pr_ctloutput = rip6_ctloutput,
240 .pr_fasttimo = icmp6_fasttimo,
241 .pr_slowtimo = icmp6_slowtimo,
242 .pr_usrreqs = &rip6_usrreqs
246 .pr_domain = &inet6domain,
247 .pr_protocol = IPPROTO_DSTOPTS,
248 .pr_flags = PR_ATOMIC|PR_ADDR,
249 .pr_input = dest6_input,
250 .pr_usrreqs = &nousrreqs
254 .pr_domain = &inet6domain,
255 .pr_protocol = IPPROTO_ROUTING,
256 .pr_flags = PR_ATOMIC|PR_ADDR,
257 .pr_input = route6_input,
258 .pr_usrreqs = &nousrreqs
262 .pr_domain = &inet6domain,
263 .pr_protocol = IPPROTO_FRAGMENT,
264 .pr_flags = PR_ATOMIC|PR_ADDR,
265 .pr_input = frag6_input,
266 .pr_usrreqs = &nousrreqs
271 .pr_domain = &inet6domain,
272 .pr_protocol = IPPROTO_AH,
273 .pr_flags = PR_ATOMIC|PR_ADDR,
274 .pr_input = ipsec6_common_input,
275 .pr_usrreqs = &nousrreqs,
279 .pr_domain = &inet6domain,
280 .pr_protocol = IPPROTO_ESP,
281 .pr_flags = PR_ATOMIC|PR_ADDR,
282 .pr_input = ipsec6_common_input,
283 .pr_ctlinput = esp6_ctlinput,
284 .pr_usrreqs = &nousrreqs,
288 .pr_domain = &inet6domain,
289 .pr_protocol = IPPROTO_IPCOMP,
290 .pr_flags = PR_ATOMIC|PR_ADDR,
291 .pr_input = ipsec6_common_input,
292 .pr_usrreqs = &nousrreqs,
298 .pr_domain = &inet6domain,
299 .pr_protocol = IPPROTO_IPV4,
300 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
301 .pr_input = encap6_input,
302 .pr_output = rip6_output,
303 .pr_ctloutput = rip6_ctloutput,
304 .pr_init = encap_init,
305 .pr_usrreqs = &rip6_usrreqs
310 .pr_domain = &inet6domain,
311 .pr_protocol = IPPROTO_IPV6,
312 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
313 .pr_input = encap6_input,
314 .pr_output = rip6_output,
315 .pr_ctloutput = rip6_ctloutput,
316 .pr_init = encap_init,
317 .pr_usrreqs = &rip6_usrreqs
321 .pr_domain = &inet6domain,
322 .pr_protocol = IPPROTO_PIM,
323 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
324 .pr_input = encap6_input,
325 .pr_output = rip6_output,
326 .pr_ctloutput = rip6_ctloutput,
327 .pr_usrreqs = &rip6_usrreqs
329 /* Spacer n-times for loadable protocols. */
341 .pr_domain = &inet6domain,
342 .pr_flags = PR_ATOMIC|PR_ADDR,
343 .pr_input = rip6_input,
344 .pr_output = rip6_output,
345 .pr_ctloutput = rip6_ctloutput,
346 .pr_usrreqs = &rip6_usrreqs
350 extern int in6_inithead(void **, int);
352 extern int in6_detachhead(void **, int);
355 struct domain inet6domain = {
356 .dom_family = AF_INET6,
357 .dom_name = "internet6",
358 .dom_protosw = (struct protosw *)inet6sw,
359 .dom_protoswNPROTOSW = (struct protosw *)
360 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
362 .dom_rtattach = rn6_mpath_inithead,
364 .dom_rtattach = in6_inithead,
367 .dom_rtdetach = in6_detachhead,
369 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
370 .dom_maxrtkey = sizeof(struct sockaddr_in6),
371 .dom_ifattach = in6_domifattach,
372 .dom_ifdetach = in6_domifdetach
375 VNET_DOMAIN_SET(inet6);
378 * Internet configuration info
380 #ifndef IPV6FORWARDING
382 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
384 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
385 #endif /* GATEWAY6 */
386 #endif /* !IPV6FORWARDING */
388 #ifndef IPV6_SENDREDIRECTS
389 #define IPV6_SENDREDIRECTS 1
392 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
393 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
394 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
395 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
396 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
397 VNET_DEFINE(int, ip6_no_radr) = 0;
398 VNET_DEFINE(int, ip6_norbit_raif) = 0;
399 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
400 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
401 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
402 VNET_DEFINE(int, ip6_log_interval) = 5;
403 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
405 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
406 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
407 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
409 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
410 * walk list every 5 sec. */
411 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
412 VNET_DEFINE(int, ip6_v6only) = 1;
414 VNET_DEFINE(int, ip6_keepfaith) = 0;
415 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
417 VNET_DEFINE(int, ip6stealth) = 0;
419 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
424 * BSDI4 defines these variables in in_proto.c...
425 * XXX: what if we don't define INET? Should we define pmtu6_expire
426 * or so? (jinmei@kame.net 19990310)
428 VNET_DEFINE(int, pmtu_expire) = 60*10;
429 VNET_DEFINE(int, pmtu_probe) = 60*2;
431 /* ICMPV6 parameters */
432 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
433 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
434 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
435 /* control how to respond to NI queries */
436 VNET_DEFINE(int, icmp6_nodeinfo) =
437 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
438 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
441 * sysctl related items.
443 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
447 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
448 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
449 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
450 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
452 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
455 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
460 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
465 VNET_SYSCTL_ARG(req, arg1);
467 error = SYSCTL_OUT(req, arg1, sizeof(int));
468 if (error || !req->newptr)
470 old = V_ip6_temp_preferred_lifetime;
471 error = SYSCTL_IN(req, arg1, sizeof(int));
472 if (V_ip6_temp_preferred_lifetime <
473 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
474 V_ip6_temp_preferred_lifetime = old;
481 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
486 VNET_SYSCTL_ARG(req, arg1);
488 error = SYSCTL_OUT(req, arg1, sizeof(int));
489 if (error || !req->newptr)
491 old = V_ip6_temp_valid_lifetime;
492 error = SYSCTL_IN(req, arg1, sizeof(int));
493 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
494 V_ip6_temp_preferred_lifetime = old;
500 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
501 &VNET_NAME(ip6_forwarding), 0, "");
502 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
503 &VNET_NAME(ip6_sendredirects), 0, "");
504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
505 &VNET_NAME(ip6_defhlim), 0, "");
506 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
507 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
509 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
510 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
511 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
512 "Default value of per-interface flag for accepting ICMPv6 Router"
513 "Advertisement messages");
514 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
515 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
516 "Default value of per-interface flag to control whether routers "
517 "sending ICMPv6 RA messages on that interface are added into the "
518 "default router list.");
519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
520 &VNET_NAME(ip6_norbit_raif), 0,
521 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
522 " on the interface.");
523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
524 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
525 "Accept the default router list from ICMPv6 RA messages even "
526 "when packet forwarding enabled.");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
528 &VNET_NAME(ip6_keepfaith), 0, "");
529 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
530 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
532 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
534 &VNET_NAME(ip6_dad_count), 0, "");
535 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
536 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
537 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
538 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
539 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
540 CTLFLAG_RD, __KAME_VERSION, 0, "");
541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
542 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
543 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
544 &VNET_NAME(ip6_rr_prune), 0, "");
545 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
546 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
547 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
548 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
549 sysctl_ip6_temppltime, "I", "");
550 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
551 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
552 sysctl_ip6_tempvltime, "I", "");
553 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
554 &VNET_NAME(ip6_v6only), 0, "");
555 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
556 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
557 "Default value of per-interface flag for automatically adding an IPv6"
558 " link-local address to interfaces when attached");
559 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
560 struct rip6stat, rip6stat,
561 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
562 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
563 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
564 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
565 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
566 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
567 &VNET_NAME(ip6_maxfrags), 0, "");
568 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
569 &VNET_NAME(ip6_mcast_pmtu), 0, "");
571 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
572 &VNET_NAME(ip6stealth), 0, "");
575 /* net.inet6.icmp6 */
576 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
577 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
578 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
579 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
580 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
581 struct icmp6stat, icmp6stat,
582 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
583 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
584 &VNET_NAME(nd6_prune), 0, "");
585 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
586 &VNET_NAME(nd6_delay), 0, "");
587 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
588 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
589 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
590 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
591 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
592 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
593 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
594 &VNET_NAME(icmp6_nodeinfo), 0, "");
595 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
596 nodeinfo_oldmcprefix, CTLFLAG_RW,
597 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
598 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup"
599 " for compatibility with KAME implememtation.");
600 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
601 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
602 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
603 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
604 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
605 &VNET_NAME(nd6_debug), 0, "");
606 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
607 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
608 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");