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 #include <net/flowtable.h>
135 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
137 FEATURE(inet6, "Internet Protocol version 6");
139 extern struct domain inet6domain;
140 static struct pr_usrreqs nousrreqs;
143 #define PR_ABRTACPTDIS 0
145 /* Spacer for loadable protocols. */
146 #define IP6PROTOSPACER \
148 .pr_domain = &inet6domain, \
149 .pr_protocol = PROTO_SPACER, \
150 .pr_usrreqs = &nousrreqs \
153 struct ip6protosw inet6sw[] = {
156 .pr_domain = &inet6domain,
157 .pr_protocol = IPPROTO_IPV6,
160 .pr_destroy = ip6_destroy,
162 .pr_slowtimo = frag6_slowtimo,
163 .pr_drain = frag6_drain,
164 .pr_usrreqs = &nousrreqs,
167 .pr_type = SOCK_DGRAM,
168 .pr_domain = &inet6domain,
169 .pr_protocol = IPPROTO_UDP,
170 .pr_flags = PR_ATOMIC|PR_ADDR,
171 .pr_input = udp6_input,
172 .pr_ctlinput = udp6_ctlinput,
173 .pr_ctloutput = ip6_ctloutput,
174 #ifndef INET /* Do not call initialization twice. */
177 .pr_usrreqs = &udp6_usrreqs,
180 .pr_type = SOCK_STREAM,
181 .pr_domain = &inet6domain,
182 .pr_protocol = IPPROTO_TCP,
183 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
184 .pr_input = tcp6_input,
185 .pr_ctlinput = tcp6_ctlinput,
186 .pr_ctloutput = tcp_ctloutput,
187 #ifndef INET /* don't call initialization and timeout routines twice */
189 .pr_slowtimo = tcp_slowtimo,
191 .pr_drain = tcp_drain,
192 .pr_usrreqs = &tcp6_usrreqs,
196 .pr_type = SOCK_SEQPACKET,
197 .pr_domain = &inet6domain,
198 .pr_protocol = IPPROTO_SCTP,
199 .pr_flags = PR_WANTRCVD,
200 .pr_input = sctp6_input,
201 .pr_ctlinput = sctp6_ctlinput,
202 .pr_ctloutput = sctp_ctloutput,
203 .pr_drain = sctp_drain,
204 #ifndef INET /* Do not call initialization twice. */
205 .pr_init = sctp_init,
207 .pr_usrreqs = &sctp6_usrreqs
210 .pr_type = SOCK_STREAM,
211 .pr_domain = &inet6domain,
212 .pr_protocol = IPPROTO_SCTP,
213 .pr_flags = PR_WANTRCVD,
214 .pr_input = sctp6_input,
215 .pr_ctlinput = sctp6_ctlinput,
216 .pr_ctloutput = sctp_ctloutput,
217 .pr_drain = sctp_drain,
218 .pr_usrreqs = &sctp6_usrreqs
223 .pr_domain = &inet6domain,
224 .pr_protocol = IPPROTO_RAW,
225 .pr_flags = PR_ATOMIC|PR_ADDR,
226 .pr_input = rip6_input,
227 .pr_output = rip6_output,
228 .pr_ctlinput = rip6_ctlinput,
229 .pr_ctloutput = rip6_ctloutput,
230 #ifndef INET /* Do not call initialization twice. */
233 .pr_usrreqs = &rip6_usrreqs
237 .pr_domain = &inet6domain,
238 .pr_protocol = IPPROTO_ICMPV6,
239 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
240 .pr_input = icmp6_input,
241 .pr_output = rip6_output,
242 .pr_ctlinput = rip6_ctlinput,
243 .pr_ctloutput = rip6_ctloutput,
244 .pr_fasttimo = icmp6_fasttimo,
245 .pr_slowtimo = icmp6_slowtimo,
246 .pr_usrreqs = &rip6_usrreqs
250 .pr_domain = &inet6domain,
251 .pr_protocol = IPPROTO_DSTOPTS,
252 .pr_flags = PR_ATOMIC|PR_ADDR,
253 .pr_input = dest6_input,
254 .pr_usrreqs = &nousrreqs
258 .pr_domain = &inet6domain,
259 .pr_protocol = IPPROTO_ROUTING,
260 .pr_flags = PR_ATOMIC|PR_ADDR,
261 .pr_input = route6_input,
262 .pr_usrreqs = &nousrreqs
266 .pr_domain = &inet6domain,
267 .pr_protocol = IPPROTO_FRAGMENT,
268 .pr_flags = PR_ATOMIC|PR_ADDR,
269 .pr_input = frag6_input,
270 .pr_usrreqs = &nousrreqs
275 .pr_domain = &inet6domain,
276 .pr_protocol = IPPROTO_AH,
277 .pr_flags = PR_ATOMIC|PR_ADDR,
278 .pr_input = ipsec6_common_input,
279 .pr_usrreqs = &nousrreqs,
283 .pr_domain = &inet6domain,
284 .pr_protocol = IPPROTO_ESP,
285 .pr_flags = PR_ATOMIC|PR_ADDR,
286 .pr_input = ipsec6_common_input,
287 .pr_ctlinput = esp6_ctlinput,
288 .pr_usrreqs = &nousrreqs,
292 .pr_domain = &inet6domain,
293 .pr_protocol = IPPROTO_IPCOMP,
294 .pr_flags = PR_ATOMIC|PR_ADDR,
295 .pr_input = ipsec6_common_input,
296 .pr_usrreqs = &nousrreqs,
302 .pr_domain = &inet6domain,
303 .pr_protocol = IPPROTO_IPV4,
304 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
305 .pr_input = encap6_input,
306 .pr_output = rip6_output,
307 .pr_ctloutput = rip6_ctloutput,
308 .pr_init = encap_init,
309 .pr_usrreqs = &rip6_usrreqs
314 .pr_domain = &inet6domain,
315 .pr_protocol = IPPROTO_IPV6,
316 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
317 .pr_input = encap6_input,
318 .pr_output = rip6_output,
319 .pr_ctloutput = rip6_ctloutput,
320 .pr_init = encap_init,
321 .pr_usrreqs = &rip6_usrreqs
325 .pr_domain = &inet6domain,
326 .pr_protocol = IPPROTO_PIM,
327 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
328 .pr_input = encap6_input,
329 .pr_output = rip6_output,
330 .pr_ctloutput = rip6_ctloutput,
331 .pr_usrreqs = &rip6_usrreqs
333 /* Spacer n-times for loadable protocols. */
345 .pr_domain = &inet6domain,
346 .pr_flags = PR_ATOMIC|PR_ADDR,
347 .pr_input = rip6_input,
348 .pr_output = rip6_output,
349 .pr_ctloutput = rip6_ctloutput,
350 .pr_usrreqs = &rip6_usrreqs
354 extern int in6_inithead(void **, int);
356 extern int in6_detachhead(void **, int);
359 struct domain inet6domain = {
360 .dom_family = AF_INET6,
361 .dom_name = "internet6",
362 .dom_protosw = (struct protosw *)inet6sw,
363 .dom_protoswNPROTOSW = (struct protosw *)
364 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
366 .dom_rtattach = rn6_mpath_inithead,
368 .dom_rtattach = in6_inithead,
371 .dom_rtdetach = in6_detachhead,
373 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
374 .dom_maxrtkey = sizeof(struct sockaddr_in6),
375 .dom_ifattach = in6_domifattach,
376 .dom_ifdetach = in6_domifdetach
379 VNET_DOMAIN_SET(inet6);
382 * Internet configuration info
384 #ifndef IPV6FORWARDING
386 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
388 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
389 #endif /* GATEWAY6 */
390 #endif /* !IPV6FORWARDING */
392 #ifndef IPV6_SENDREDIRECTS
393 #define IPV6_SENDREDIRECTS 1
396 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
397 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
398 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
399 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
400 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
401 VNET_DEFINE(int, ip6_no_radr) = 0;
402 VNET_DEFINE(int, ip6_norbit_raif) = 0;
403 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
404 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
405 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
406 VNET_DEFINE(int, ip6_log_interval) = 5;
407 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
409 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
410 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
411 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
413 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
414 * walk list every 5 sec. */
415 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
416 VNET_DEFINE(int, ip6_v6only) = 1;
418 VNET_DEFINE(int, ip6_keepfaith) = 0;
419 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
421 VNET_DEFINE(int, ip6stealth) = 0;
423 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
428 * BSDI4 defines these variables in in_proto.c...
429 * XXX: what if we don't define INET? Should we define pmtu6_expire
430 * or so? (jinmei@kame.net 19990310)
432 VNET_DEFINE(int, pmtu_expire) = 60*10;
433 VNET_DEFINE(int, pmtu_probe) = 60*2;
435 /* ICMPV6 parameters */
436 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
437 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
438 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
439 /* control how to respond to NI queries */
440 VNET_DEFINE(int, icmp6_nodeinfo) =
441 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
442 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
445 * sysctl related items.
447 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
451 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
452 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
453 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
454 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
456 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
459 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
464 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
469 VNET_SYSCTL_ARG(req, arg1);
471 error = SYSCTL_OUT(req, arg1, sizeof(int));
472 if (error || !req->newptr)
474 old = V_ip6_temp_preferred_lifetime;
475 error = SYSCTL_IN(req, arg1, sizeof(int));
476 if (V_ip6_temp_preferred_lifetime <
477 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
478 V_ip6_temp_preferred_lifetime = old;
485 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
490 VNET_SYSCTL_ARG(req, arg1);
492 error = SYSCTL_OUT(req, arg1, sizeof(int));
493 if (error || !req->newptr)
495 old = V_ip6_temp_valid_lifetime;
496 error = SYSCTL_IN(req, arg1, sizeof(int));
497 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
498 V_ip6_temp_preferred_lifetime = old;
504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
505 &VNET_NAME(ip6_forwarding), 0, "");
506 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
507 &VNET_NAME(ip6_sendredirects), 0, "");
508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
509 &VNET_NAME(ip6_defhlim), 0, "");
510 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
511 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
512 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
513 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
514 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
515 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
516 "Default value of per-interface flag for accepting ICMPv6 Router"
517 "Advertisement messages");
518 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
519 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
520 "Default value of per-interface flag to control whether routers "
521 "sending ICMPv6 RA messages on that interface are added into the "
522 "default router list.");
523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
524 &VNET_NAME(ip6_norbit_raif), 0,
525 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
526 " on the interface.");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
528 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
529 "Accept the default router list from ICMPv6 RA messages even "
530 "when packet forwarding enabled.");
531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
532 &VNET_NAME(ip6_keepfaith), 0, "");
533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
534 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
535 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
536 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
537 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
538 &VNET_NAME(ip6_dad_count), 0, "");
539 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
540 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
542 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
543 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
544 CTLFLAG_RD, __KAME_VERSION, 0, "");
545 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
546 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
547 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
548 &VNET_NAME(ip6_rr_prune), 0, "");
549 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
550 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
551 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
552 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
553 sysctl_ip6_temppltime, "I", "");
554 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
555 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
556 sysctl_ip6_tempvltime, "I", "");
557 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
558 &VNET_NAME(ip6_v6only), 0, "");
559 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
560 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
561 "Default value of per-interface flag for automatically adding an IPv6"
562 " link-local address to interfaces when attached");
563 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
564 struct rip6stat, rip6stat,
565 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
566 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
567 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
568 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
569 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
570 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
571 &VNET_NAME(ip6_maxfrags), 0, "");
572 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
573 &VNET_NAME(ip6_mcast_pmtu), 0, "");
575 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
576 &VNET_NAME(ip6stealth), 0, "");
580 VNET_DEFINE(int, ip6_output_flowtable_size) = 2048;
581 VNET_DEFINE(struct flowtable *, ip6_ft);
582 #define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size)
584 SYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN,
585 &VNET_NAME(ip6_output_flowtable_size), 2048,
586 "number of entries in the per-cpu output flow caches");
589 /* net.inet6.icmp6 */
590 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
591 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
592 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
593 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
594 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
595 struct icmp6stat, icmp6stat,
596 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
597 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
598 &VNET_NAME(nd6_prune), 0, "");
599 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
600 &VNET_NAME(nd6_delay), 0, "");
601 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
602 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
603 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
604 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
605 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
606 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
607 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
608 &VNET_NAME(icmp6_nodeinfo), 0, "");
609 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
610 nodeinfo_oldmcprefix, CTLFLAG_RW,
611 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
612 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup"
613 " for compatibility with KAME implememtation.");
614 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
615 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
616 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
617 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
618 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
619 &VNET_NAME(nd6_debug), 0, "");
620 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
621 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
622 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");