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 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
132 FEATURE(inet6, "Internet Protocol version 6");
134 extern struct domain inet6domain;
135 static struct pr_usrreqs nousrreqs;
138 #define PR_ABRTACPTDIS 0
140 /* Spacer for loadable protocols. */
141 #define IP6PROTOSPACER \
143 .pr_domain = &inet6domain, \
144 .pr_protocol = PROTO_SPACER, \
145 .pr_usrreqs = &nousrreqs \
148 struct ip6protosw inet6sw[] = {
151 .pr_domain = &inet6domain,
152 .pr_protocol = IPPROTO_IPV6,
155 .pr_destroy = ip6_destroy,
157 .pr_slowtimo = frag6_slowtimo,
158 .pr_drain = frag6_drain,
159 .pr_usrreqs = &nousrreqs,
162 .pr_type = SOCK_DGRAM,
163 .pr_domain = &inet6domain,
164 .pr_protocol = IPPROTO_UDP,
165 .pr_flags = PR_ATOMIC|PR_ADDR,
166 .pr_input = udp6_input,
167 .pr_ctlinput = udp6_ctlinput,
168 .pr_ctloutput = ip6_ctloutput,
169 #ifndef INET /* Do not call initialization twice. */
172 .pr_usrreqs = &udp6_usrreqs,
175 .pr_type = SOCK_STREAM,
176 .pr_domain = &inet6domain,
177 .pr_protocol = IPPROTO_TCP,
178 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
179 .pr_input = tcp6_input,
180 .pr_ctlinput = tcp6_ctlinput,
181 .pr_ctloutput = tcp_ctloutput,
182 #ifndef INET /* don't call initialization and timeout routines twice */
184 .pr_slowtimo = tcp_slowtimo,
186 .pr_drain = tcp_drain,
187 .pr_usrreqs = &tcp6_usrreqs,
191 .pr_type = SOCK_SEQPACKET,
192 .pr_domain = &inet6domain,
193 .pr_protocol = IPPROTO_SCTP,
194 .pr_flags = PR_WANTRCVD,
195 .pr_input = sctp6_input,
196 .pr_ctlinput = sctp6_ctlinput,
197 .pr_ctloutput = sctp_ctloutput,
198 .pr_drain = sctp_drain,
199 #ifndef INET /* Do not call initialization twice. */
200 .pr_init = sctp_init,
202 .pr_usrreqs = &sctp6_usrreqs
205 .pr_type = SOCK_STREAM,
206 .pr_domain = &inet6domain,
207 .pr_protocol = IPPROTO_SCTP,
208 .pr_flags = PR_WANTRCVD,
209 .pr_input = sctp6_input,
210 .pr_ctlinput = sctp6_ctlinput,
211 .pr_ctloutput = sctp_ctloutput,
212 .pr_drain = sctp_drain,
213 .pr_usrreqs = &sctp6_usrreqs
218 .pr_domain = &inet6domain,
219 .pr_protocol = IPPROTO_RAW,
220 .pr_flags = PR_ATOMIC|PR_ADDR,
221 .pr_input = rip6_input,
222 .pr_output = rip6_output,
223 .pr_ctlinput = rip6_ctlinput,
224 .pr_ctloutput = rip6_ctloutput,
225 #ifndef INET /* Do not call initialization twice. */
228 .pr_usrreqs = &rip6_usrreqs
232 .pr_domain = &inet6domain,
233 .pr_protocol = IPPROTO_ICMPV6,
234 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
235 .pr_input = icmp6_input,
236 .pr_output = rip6_output,
237 .pr_ctlinput = rip6_ctlinput,
238 .pr_ctloutput = rip6_ctloutput,
239 .pr_fasttimo = icmp6_fasttimo,
240 .pr_slowtimo = icmp6_slowtimo,
241 .pr_usrreqs = &rip6_usrreqs
245 .pr_domain = &inet6domain,
246 .pr_protocol = IPPROTO_DSTOPTS,
247 .pr_flags = PR_ATOMIC|PR_ADDR,
248 .pr_input = dest6_input,
249 .pr_usrreqs = &nousrreqs
253 .pr_domain = &inet6domain,
254 .pr_protocol = IPPROTO_ROUTING,
255 .pr_flags = PR_ATOMIC|PR_ADDR,
256 .pr_input = route6_input,
257 .pr_usrreqs = &nousrreqs
261 .pr_domain = &inet6domain,
262 .pr_protocol = IPPROTO_FRAGMENT,
263 .pr_flags = PR_ATOMIC|PR_ADDR,
264 .pr_input = frag6_input,
265 .pr_usrreqs = &nousrreqs
270 .pr_domain = &inet6domain,
271 .pr_protocol = IPPROTO_AH,
272 .pr_flags = PR_ATOMIC|PR_ADDR,
273 .pr_input = ipsec6_common_input,
274 .pr_usrreqs = &nousrreqs,
278 .pr_domain = &inet6domain,
279 .pr_protocol = IPPROTO_ESP,
280 .pr_flags = PR_ATOMIC|PR_ADDR,
281 .pr_input = ipsec6_common_input,
282 .pr_ctlinput = esp6_ctlinput,
283 .pr_usrreqs = &nousrreqs,
287 .pr_domain = &inet6domain,
288 .pr_protocol = IPPROTO_IPCOMP,
289 .pr_flags = PR_ATOMIC|PR_ADDR,
290 .pr_input = ipsec6_common_input,
291 .pr_usrreqs = &nousrreqs,
297 .pr_domain = &inet6domain,
298 .pr_protocol = IPPROTO_IPV4,
299 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
300 .pr_input = encap6_input,
301 .pr_output = rip6_output,
302 .pr_ctloutput = rip6_ctloutput,
303 .pr_init = encap_init,
304 .pr_usrreqs = &rip6_usrreqs
309 .pr_domain = &inet6domain,
310 .pr_protocol = IPPROTO_IPV6,
311 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
312 .pr_input = encap6_input,
313 .pr_output = rip6_output,
314 .pr_ctloutput = rip6_ctloutput,
315 .pr_init = encap_init,
316 .pr_usrreqs = &rip6_usrreqs
320 .pr_domain = &inet6domain,
321 .pr_protocol = IPPROTO_PIM,
322 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
323 .pr_input = encap6_input,
324 .pr_output = rip6_output,
325 .pr_ctloutput = rip6_ctloutput,
326 .pr_usrreqs = &rip6_usrreqs
328 /* Spacer n-times for loadable protocols. */
340 .pr_domain = &inet6domain,
341 .pr_flags = PR_ATOMIC|PR_ADDR,
342 .pr_input = rip6_input,
343 .pr_output = rip6_output,
344 .pr_ctloutput = rip6_ctloutput,
345 .pr_usrreqs = &rip6_usrreqs
349 extern int in6_inithead(void **, int);
351 extern int in6_detachhead(void **, int);
354 struct domain inet6domain = {
355 .dom_family = AF_INET6,
356 .dom_name = "internet6",
357 .dom_protosw = (struct protosw *)inet6sw,
358 .dom_protoswNPROTOSW = (struct protosw *)
359 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
361 .dom_rtattach = rn6_mpath_inithead,
363 .dom_rtattach = in6_inithead,
366 .dom_rtdetach = in6_detachhead,
368 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
369 .dom_maxrtkey = sizeof(struct sockaddr_in6),
370 .dom_ifattach = in6_domifattach,
371 .dom_ifdetach = in6_domifdetach
374 VNET_DOMAIN_SET(inet6);
377 * Internet configuration info
379 #ifndef IPV6FORWARDING
381 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
383 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
384 #endif /* GATEWAY6 */
385 #endif /* !IPV6FORWARDING */
387 #ifndef IPV6_SENDREDIRECTS
388 #define IPV6_SENDREDIRECTS 1
391 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
392 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
393 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
394 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
395 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
396 VNET_DEFINE(int, ip6_no_radr) = 0;
397 VNET_DEFINE(int, ip6_norbit_raif) = 0;
398 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
399 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
400 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
401 VNET_DEFINE(int, ip6_log_interval) = 5;
402 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
404 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
405 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
406 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
408 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
409 * walk list every 5 sec. */
410 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
411 VNET_DEFINE(int, ip6_v6only) = 1;
413 VNET_DEFINE(int, ip6_keepfaith) = 0;
414 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
416 VNET_DEFINE(int, ip6stealth) = 0;
418 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
423 * BSDI4 defines these variables in in_proto.c...
424 * XXX: what if we don't define INET? Should we define pmtu6_expire
425 * or so? (jinmei@kame.net 19990310)
427 VNET_DEFINE(int, pmtu_expire) = 60*10;
428 VNET_DEFINE(int, pmtu_probe) = 60*2;
430 /* ICMPV6 parameters */
431 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
432 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
433 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
434 /* control how to respond to NI queries */
435 VNET_DEFINE(int, icmp6_nodeinfo) =
436 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
437 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
440 * sysctl related items.
442 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
446 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
447 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
448 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
449 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
451 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
454 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
459 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
464 VNET_SYSCTL_ARG(req, arg1);
466 error = SYSCTL_OUT(req, arg1, sizeof(int));
467 if (error || !req->newptr)
469 old = V_ip6_temp_preferred_lifetime;
470 error = SYSCTL_IN(req, arg1, sizeof(int));
471 if (V_ip6_temp_preferred_lifetime <
472 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
473 V_ip6_temp_preferred_lifetime = old;
480 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
485 VNET_SYSCTL_ARG(req, arg1);
487 error = SYSCTL_OUT(req, arg1, sizeof(int));
488 if (error || !req->newptr)
490 old = V_ip6_temp_valid_lifetime;
491 error = SYSCTL_IN(req, arg1, sizeof(int));
492 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
493 V_ip6_temp_preferred_lifetime = old;
499 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
500 &VNET_NAME(ip6_forwarding), 0, "");
501 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
502 &VNET_NAME(ip6_sendredirects), 0, "");
503 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
504 &VNET_NAME(ip6_defhlim), 0, "");
505 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
506 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
507 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
508 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
509 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
510 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
511 "Default value of per-interface flag for accepting ICMPv6 Router"
512 "Advertisement messages");
513 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
514 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
515 "Default value of per-interface flag to control whether routers "
516 "sending ICMPv6 RA messages on that interface are added into the "
517 "default router list.");
518 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
519 &VNET_NAME(ip6_norbit_raif), 0,
520 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
521 " on the interface.");
522 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
523 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
524 "Accept the default router list from ICMPv6 RA messages even "
525 "when packet forwarding enabled.");
526 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
527 &VNET_NAME(ip6_keepfaith), 0, "");
528 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
529 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
530 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
531 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
532 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
533 &VNET_NAME(ip6_dad_count), 0, "");
534 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
535 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
536 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
537 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
538 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
539 CTLFLAG_RD, __KAME_VERSION, 0, "");
540 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
541 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
542 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
543 &VNET_NAME(ip6_rr_prune), 0, "");
544 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
545 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
546 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
547 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
548 sysctl_ip6_temppltime, "I", "");
549 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
550 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
551 sysctl_ip6_tempvltime, "I", "");
552 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
553 &VNET_NAME(ip6_v6only), 0, "");
554 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
555 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
556 "Default value of per-interface flag for automatically adding an IPv6"
557 " link-local address to interfaces when attached");
558 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
559 struct rip6stat, rip6stat,
560 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
561 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
562 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
563 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
564 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
565 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
566 &VNET_NAME(ip6_maxfrags), 0, "");
567 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
568 &VNET_NAME(ip6_mcast_pmtu), 0, "");
570 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
571 &VNET_NAME(ip6stealth), 0, "");
574 /* net.inet6.icmp6 */
575 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
576 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
577 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
578 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
579 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
580 struct icmp6stat, icmp6stat,
581 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
582 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
583 &VNET_NAME(nd6_prune), 0, "");
584 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
585 &VNET_NAME(nd6_delay), 0, "");
586 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
587 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
588 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
589 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
590 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
591 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
592 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
593 &VNET_NAME(icmp6_nodeinfo), 0, "");
594 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
595 nodeinfo_oldmcprefix, CTLFLAG_RW,
596 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
597 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup"
598 " for compatibility with KAME implememtation.");
599 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
600 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
601 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
602 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
603 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
604 &VNET_NAME(nd6_debug), 0, "");
605 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
606 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
607 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");