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/radix.h>
88 #include <net/route.h>
90 #include <net/radix_mpath.h>
93 #include <netinet/in.h>
94 #include <netinet/in_systm.h>
95 #include <netinet/in_var.h>
96 #include <netinet/ip_encap.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip_var.h>
99 #include <netinet/ip6.h>
100 #include <netinet6/ip6_var.h>
101 #include <netinet/icmp6.h>
103 #include <netinet/tcp.h>
104 #include <netinet/tcp_timer.h>
105 #include <netinet/tcp_var.h>
106 #include <netinet/udp.h>
107 #include <netinet/udp_var.h>
108 #include <netinet6/tcp6_var.h>
109 #include <netinet6/raw_ip6.h>
110 #include <netinet6/udp6_var.h>
111 #include <netinet6/pim6_var.h>
112 #include <netinet6/nd6.h>
115 #include <netinet/in_pcb.h>
116 #include <netinet/sctp_pcb.h>
117 #include <netinet/sctp.h>
118 #include <netinet/sctp_var.h>
119 #include <netinet6/sctp6_var.h>
123 #include <netipsec/ipsec.h>
124 #include <netipsec/ipsec6.h>
127 #include <netinet6/ip6protosw.h>
130 #include <net/flowtable.h>
134 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
136 FEATURE(inet6, "Internet Protocol version 6");
138 extern struct domain inet6domain;
139 static struct pr_usrreqs nousrreqs;
142 #define PR_ABRTACPTDIS 0
144 /* Spacer for loadable protocols. */
145 #define IP6PROTOSPACER \
147 .pr_domain = &inet6domain, \
148 .pr_protocol = PROTO_SPACER, \
149 .pr_usrreqs = &nousrreqs \
152 struct ip6protosw inet6sw[] = {
155 .pr_domain = &inet6domain,
156 .pr_protocol = IPPROTO_IPV6,
159 .pr_destroy = ip6_destroy,
161 .pr_slowtimo = frag6_slowtimo,
162 .pr_drain = frag6_drain,
163 .pr_usrreqs = &nousrreqs,
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 #ifndef INET /* Do not call initialization twice. */
176 .pr_usrreqs = &udp6_usrreqs,
179 .pr_type = SOCK_STREAM,
180 .pr_domain = &inet6domain,
181 .pr_protocol = IPPROTO_TCP,
182 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
183 .pr_input = tcp6_input,
184 .pr_ctlinput = tcp6_ctlinput,
185 .pr_ctloutput = tcp_ctloutput,
186 #ifndef INET /* don't call initialization and timeout routines twice */
188 .pr_slowtimo = tcp_slowtimo,
190 .pr_drain = tcp_drain,
191 .pr_usrreqs = &tcp6_usrreqs,
195 .pr_type = SOCK_SEQPACKET,
196 .pr_domain = &inet6domain,
197 .pr_protocol = IPPROTO_SCTP,
198 .pr_flags = PR_WANTRCVD,
199 .pr_input = sctp6_input,
200 .pr_ctlinput = sctp6_ctlinput,
201 .pr_ctloutput = sctp_ctloutput,
202 .pr_drain = sctp_drain,
203 #ifndef INET /* Do not call initialization twice. */
204 .pr_init = sctp_init,
206 .pr_usrreqs = &sctp6_usrreqs
209 .pr_type = SOCK_STREAM,
210 .pr_domain = &inet6domain,
211 .pr_protocol = IPPROTO_SCTP,
212 .pr_flags = PR_WANTRCVD,
213 .pr_input = sctp6_input,
214 .pr_ctlinput = sctp6_ctlinput,
215 .pr_ctloutput = sctp_ctloutput,
216 .pr_drain = sctp_drain,
217 .pr_usrreqs = &sctp6_usrreqs
222 .pr_domain = &inet6domain,
223 .pr_protocol = IPPROTO_RAW,
224 .pr_flags = PR_ATOMIC|PR_ADDR,
225 .pr_input = rip6_input,
226 .pr_output = rip6_output,
227 .pr_ctlinput = rip6_ctlinput,
228 .pr_ctloutput = rip6_ctloutput,
229 #ifndef INET /* Do not call initialization twice. */
232 .pr_usrreqs = &rip6_usrreqs
236 .pr_domain = &inet6domain,
237 .pr_protocol = IPPROTO_ICMPV6,
238 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
239 .pr_input = icmp6_input,
240 .pr_output = rip6_output,
241 .pr_ctlinput = rip6_ctlinput,
242 .pr_ctloutput = rip6_ctloutput,
243 .pr_fasttimo = icmp6_fasttimo,
244 .pr_slowtimo = icmp6_slowtimo,
245 .pr_usrreqs = &rip6_usrreqs
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_DSTOPTS,
251 .pr_flags = PR_ATOMIC|PR_ADDR,
252 .pr_input = dest6_input,
253 .pr_usrreqs = &nousrreqs
257 .pr_domain = &inet6domain,
258 .pr_protocol = IPPROTO_ROUTING,
259 .pr_flags = PR_ATOMIC|PR_ADDR,
260 .pr_input = route6_input,
261 .pr_usrreqs = &nousrreqs
265 .pr_domain = &inet6domain,
266 .pr_protocol = IPPROTO_FRAGMENT,
267 .pr_flags = PR_ATOMIC|PR_ADDR,
268 .pr_input = frag6_input,
269 .pr_usrreqs = &nousrreqs
274 .pr_domain = &inet6domain,
275 .pr_protocol = IPPROTO_AH,
276 .pr_flags = PR_ATOMIC|PR_ADDR,
277 .pr_input = ipsec6_common_input,
278 .pr_usrreqs = &nousrreqs,
282 .pr_domain = &inet6domain,
283 .pr_protocol = IPPROTO_ESP,
284 .pr_flags = PR_ATOMIC|PR_ADDR,
285 .pr_input = ipsec6_common_input,
286 .pr_ctlinput = esp6_ctlinput,
287 .pr_usrreqs = &nousrreqs,
291 .pr_domain = &inet6domain,
292 .pr_protocol = IPPROTO_IPCOMP,
293 .pr_flags = PR_ATOMIC|PR_ADDR,
294 .pr_input = ipsec6_common_input,
295 .pr_usrreqs = &nousrreqs,
301 .pr_domain = &inet6domain,
302 .pr_protocol = IPPROTO_IPV4,
303 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
304 .pr_input = encap6_input,
305 .pr_output = rip6_output,
306 .pr_ctloutput = rip6_ctloutput,
307 .pr_init = encap_init,
308 .pr_usrreqs = &rip6_usrreqs
313 .pr_domain = &inet6domain,
314 .pr_protocol = IPPROTO_IPV6,
315 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
316 .pr_input = encap6_input,
317 .pr_output = rip6_output,
318 .pr_ctloutput = rip6_ctloutput,
319 .pr_init = encap_init,
320 .pr_usrreqs = &rip6_usrreqs
324 .pr_domain = &inet6domain,
325 .pr_protocol = IPPROTO_PIM,
326 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
327 .pr_input = encap6_input,
328 .pr_output = rip6_output,
329 .pr_ctloutput = rip6_ctloutput,
330 .pr_usrreqs = &rip6_usrreqs
332 /* Spacer n-times for loadable protocols. */
344 .pr_domain = &inet6domain,
345 .pr_flags = PR_ATOMIC|PR_ADDR,
346 .pr_input = rip6_input,
347 .pr_output = rip6_output,
348 .pr_ctloutput = rip6_ctloutput,
349 .pr_usrreqs = &rip6_usrreqs
353 extern int in6_inithead(void **, int);
355 extern int in6_detachhead(void **, int);
358 struct domain inet6domain = {
359 .dom_family = AF_INET6,
360 .dom_name = "internet6",
361 .dom_protosw = (struct protosw *)inet6sw,
362 .dom_protoswNPROTOSW = (struct protosw *)
363 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
365 .dom_rtattach = rn6_mpath_inithead,
367 .dom_rtattach = in6_inithead,
370 .dom_rtdetach = in6_detachhead,
372 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
373 .dom_maxrtkey = sizeof(struct sockaddr_in6),
374 .dom_ifattach = in6_domifattach,
375 .dom_ifdetach = in6_domifdetach
378 VNET_DOMAIN_SET(inet6);
381 * Internet configuration info
383 #ifndef IPV6FORWARDING
385 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
387 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
388 #endif /* GATEWAY6 */
389 #endif /* !IPV6FORWARDING */
391 #ifndef IPV6_SENDREDIRECTS
392 #define IPV6_SENDREDIRECTS 1
395 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
396 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
397 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
398 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
399 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
400 VNET_DEFINE(int, ip6_no_radr) = 0;
401 VNET_DEFINE(int, ip6_norbit_raif) = 0;
402 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
403 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
404 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
405 VNET_DEFINE(int, ip6_log_interval) = 5;
406 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
408 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
409 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
410 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
412 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
413 * walk list every 5 sec. */
414 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
415 VNET_DEFINE(int, ip6_v6only) = 1;
417 VNET_DEFINE(int, ip6_keepfaith) = 0;
418 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
420 VNET_DEFINE(int, ip6stealth) = 0;
422 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
427 * BSDI4 defines these variables in in_proto.c...
428 * XXX: what if we don't define INET? Should we define pmtu6_expire
429 * or so? (jinmei@kame.net 19990310)
431 VNET_DEFINE(int, pmtu_expire) = 60*10;
432 VNET_DEFINE(int, pmtu_probe) = 60*2;
434 /* raw IP6 parameters */
436 * Nominal space allocated to a raw ip socket.
438 #define RIPV6SNDQ 8192
439 #define RIPV6RCVQ 8192
441 VNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ;
442 VNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ;
444 /* ICMPV6 parameters */
445 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
446 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
447 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
448 /* control how to respond to NI queries */
449 VNET_DEFINE(int, icmp6_nodeinfo) =
450 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
452 /* UDP on IP6 parameters */
453 VNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */
454 VNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6));
455 /* 40 1K datagrams */
458 * sysctl related items.
460 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
464 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
465 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
466 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
467 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
469 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
472 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
477 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
482 VNET_SYSCTL_ARG(req, arg1);
484 error = SYSCTL_OUT(req, arg1, sizeof(int));
485 if (error || !req->newptr)
487 old = V_ip6_temp_preferred_lifetime;
488 error = SYSCTL_IN(req, arg1, sizeof(int));
489 if (V_ip6_temp_preferred_lifetime <
490 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
491 V_ip6_temp_preferred_lifetime = old;
498 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
503 VNET_SYSCTL_ARG(req, arg1);
505 error = SYSCTL_OUT(req, arg1, sizeof(int));
506 if (error || !req->newptr)
508 old = V_ip6_temp_valid_lifetime;
509 error = SYSCTL_IN(req, arg1, sizeof(int));
510 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
511 V_ip6_temp_preferred_lifetime = old;
517 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
518 &VNET_NAME(ip6_forwarding), 0, "");
519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
520 &VNET_NAME(ip6_sendredirects), 0, "");
521 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
522 &VNET_NAME(ip6_defhlim), 0, "");
523 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
524 &VNET_NAME(ip6stat), ip6stat, "");
525 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
526 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
528 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
529 "Default value of per-interface flag for accepting ICMPv6 Router"
530 "Advertisement messages");
531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
532 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
533 "Default value of per-interface flag to control whether routers "
534 "sending ICMPv6 RA messages on that interface are added into the "
535 "default router list.");
536 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
537 &VNET_NAME(ip6_norbit_raif), 0,
538 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
539 " on the interface.");
540 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
541 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
542 "Accept the default router list from ICMPv6 RA messages even "
543 "when packet forwarding enabled.");
544 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
545 &VNET_NAME(ip6_keepfaith), 0, "");
546 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
547 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
548 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
549 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
550 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
551 &VNET_NAME(ip6_dad_count), 0, "");
552 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
553 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
554 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
555 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
556 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
557 CTLFLAG_RD, __KAME_VERSION, 0, "");
558 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
559 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
560 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
561 &VNET_NAME(ip6_rr_prune), 0, "");
562 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
563 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
564 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
565 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
566 sysctl_ip6_temppltime, "I", "");
567 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
568 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
569 sysctl_ip6_tempvltime, "I", "");
570 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
571 &VNET_NAME(ip6_v6only), 0, "");
572 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
573 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
574 "Default value of per-interface flag for automatically adding an IPv6"
575 " link-local address to interfaces when attached");
576 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
577 &VNET_NAME(rip6stat), rip6stat, "");
578 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
579 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
580 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
581 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
582 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
583 &VNET_NAME(ip6_maxfrags), 0, "");
584 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
585 &VNET_NAME(ip6_mcast_pmtu), 0, "");
587 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
588 &VNET_NAME(ip6stealth), 0, "");
592 VNET_DEFINE(int, ip6_output_flowtable_size) = 2048;
593 VNET_DEFINE(struct flowtable *, ip6_ft);
594 #define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size)
596 SYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN,
597 &VNET_NAME(ip6_output_flowtable_size), 2048,
598 "number of entries in the per-cpu output flow caches");
601 /* net.inet6.icmp6 */
602 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
603 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
604 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
605 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
606 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
607 &VNET_NAME(icmp6stat), icmp6stat, "");
608 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
609 &VNET_NAME(nd6_prune), 0, "");
610 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
611 &VNET_NAME(nd6_delay), 0, "");
612 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
613 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
614 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
615 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
616 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
617 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
618 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
619 &VNET_NAME(icmp6_nodeinfo), 0, "");
620 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
621 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
622 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
623 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
624 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
625 &VNET_NAME(nd6_debug), 0, "");
626 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
627 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
628 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");