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"
72 #include "opt_mpath.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/ip_carp.h>
119 #include <netinet/in_pcb.h>
120 #include <netinet/sctp_pcb.h>
121 #include <netinet/sctp.h>
122 #include <netinet/sctp_var.h>
123 #include <netinet6/sctp6_var.h>
127 #include <netipsec/ipsec.h>
128 #include <netipsec/ipsec6.h>
131 #include <netinet6/ip6protosw.h>
134 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
137 extern struct domain inet6domain;
138 static struct pr_usrreqs nousrreqs;
141 #define PR_ABRTACPTDIS 0
143 struct ip6protosw inet6sw[] = {
146 .pr_domain = &inet6domain,
147 .pr_protocol = IPPROTO_IPV6,
150 .pr_destroy = ip6_destroy,
152 .pr_slowtimo = frag6_slowtimo,
153 .pr_drain = frag6_drain,
154 .pr_usrreqs = &nousrreqs,
157 .pr_type = SOCK_DGRAM,
158 .pr_domain = &inet6domain,
159 .pr_protocol = IPPROTO_UDP,
160 .pr_flags = PR_ATOMIC|PR_ADDR,
161 .pr_input = udp6_input,
162 .pr_ctlinput = udp6_ctlinput,
163 .pr_ctloutput = ip6_ctloutput,
164 .pr_usrreqs = &udp6_usrreqs,
167 .pr_type = SOCK_STREAM,
168 .pr_domain = &inet6domain,
169 .pr_protocol = IPPROTO_TCP,
170 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
171 .pr_input = tcp6_input,
172 .pr_ctlinput = tcp6_ctlinput,
173 .pr_ctloutput = tcp_ctloutput,
174 #ifndef INET /* don't call initialization and timeout routines twice */
176 .pr_slowtimo = tcp_slowtimo,
178 .pr_drain = tcp_drain,
179 .pr_usrreqs = &tcp6_usrreqs,
183 .pr_type = SOCK_DGRAM,
184 .pr_domain = &inet6domain,
185 .pr_protocol = IPPROTO_SCTP,
186 .pr_flags = PR_WANTRCVD,
187 .pr_input = sctp6_input,
188 .pr_ctlinput = sctp6_ctlinput,
189 .pr_ctloutput = sctp_ctloutput,
190 .pr_drain = sctp_drain,
191 .pr_usrreqs = &sctp6_usrreqs
194 .pr_type = SOCK_SEQPACKET,
195 .pr_domain = &inet6domain,
196 .pr_protocol = IPPROTO_SCTP,
197 .pr_flags = PR_WANTRCVD,
198 .pr_input = sctp6_input,
199 .pr_ctlinput = sctp6_ctlinput,
200 .pr_ctloutput = sctp_ctloutput,
201 .pr_drain = sctp_drain,
202 .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 .pr_usrreqs = &rip6_usrreqs
230 .pr_domain = &inet6domain,
231 .pr_protocol = IPPROTO_ICMPV6,
232 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
233 .pr_input = icmp6_input,
234 .pr_output = rip6_output,
235 .pr_ctlinput = rip6_ctlinput,
236 .pr_ctloutput = rip6_ctloutput,
237 .pr_init = icmp6_init,
238 .pr_fasttimo = icmp6_fasttimo,
239 .pr_slowtimo = icmp6_slowtimo,
240 .pr_usrreqs = &rip6_usrreqs
244 .pr_domain = &inet6domain,
245 .pr_protocol = IPPROTO_DSTOPTS,
246 .pr_flags = PR_ATOMIC|PR_ADDR,
247 .pr_input = dest6_input,
248 .pr_usrreqs = &nousrreqs
252 .pr_domain = &inet6domain,
253 .pr_protocol = IPPROTO_ROUTING,
254 .pr_flags = PR_ATOMIC|PR_ADDR,
255 .pr_input = route6_input,
256 .pr_usrreqs = &nousrreqs
260 .pr_domain = &inet6domain,
261 .pr_protocol = IPPROTO_FRAGMENT,
262 .pr_flags = PR_ATOMIC|PR_ADDR,
263 .pr_input = frag6_input,
264 .pr_usrreqs = &nousrreqs
269 .pr_domain = &inet6domain,
270 .pr_protocol = IPPROTO_AH,
271 .pr_flags = PR_ATOMIC|PR_ADDR,
272 .pr_input = ipsec6_common_input,
273 .pr_usrreqs = &nousrreqs,
277 .pr_domain = &inet6domain,
278 .pr_protocol = IPPROTO_ESP,
279 .pr_flags = PR_ATOMIC|PR_ADDR,
280 .pr_input = ipsec6_common_input,
281 .pr_ctlinput = esp6_ctlinput,
282 .pr_usrreqs = &nousrreqs,
286 .pr_domain = &inet6domain,
287 .pr_protocol = IPPROTO_IPCOMP,
288 .pr_flags = PR_ATOMIC|PR_ADDR,
289 .pr_input = ipsec6_common_input,
290 .pr_usrreqs = &nousrreqs,
296 .pr_domain = &inet6domain,
297 .pr_protocol = IPPROTO_IPV4,
298 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
299 .pr_input = encap6_input,
300 .pr_output = rip6_output,
301 .pr_ctloutput = rip6_ctloutput,
302 .pr_init = encap_init,
303 .pr_usrreqs = &rip6_usrreqs
308 .pr_domain = &inet6domain,
309 .pr_protocol = IPPROTO_IPV6,
310 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
311 .pr_input = encap6_input,
312 .pr_output = rip6_output,
313 .pr_ctloutput = rip6_ctloutput,
314 .pr_init = encap_init,
315 .pr_usrreqs = &rip6_usrreqs
319 .pr_domain = &inet6domain,
320 .pr_protocol = IPPROTO_PIM,
321 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
322 .pr_input = encap6_input,
323 .pr_output = rip6_output,
324 .pr_ctloutput = rip6_ctloutput,
325 .pr_usrreqs = &rip6_usrreqs
330 .pr_domain = &inet6domain,
331 .pr_protocol = IPPROTO_CARP,
332 .pr_flags = PR_ATOMIC|PR_ADDR,
333 .pr_input = carp6_input,
334 .pr_output = rip6_output,
335 .pr_ctloutput = rip6_ctloutput,
336 .pr_usrreqs = &rip6_usrreqs
338 #endif /* DEV_CARP */
342 .pr_domain = &inet6domain,
343 .pr_flags = PR_ATOMIC|PR_ADDR,
344 .pr_input = rip6_input,
345 .pr_output = rip6_output,
346 .pr_ctloutput = rip6_ctloutput,
347 .pr_usrreqs = &rip6_usrreqs
351 extern int in6_inithead(void **, int);
353 extern int in6_detachhead(void **, int);
356 struct domain inet6domain = {
357 .dom_family = AF_INET6,
358 .dom_name = "internet6",
359 .dom_protosw = (struct protosw *)inet6sw,
360 .dom_protoswNPROTOSW = (struct protosw *)
361 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
363 .dom_rtattach = rn6_mpath_inithead,
365 .dom_rtattach = in6_inithead,
368 .dom_rtdetach = in6_detachhead,
370 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
371 .dom_maxrtkey = sizeof(struct sockaddr_in6),
372 .dom_ifattach = in6_domifattach,
373 .dom_ifdetach = in6_domifdetach
376 VNET_DOMAIN_SET(inet6);
379 * Internet configuration info
381 VNET_DEFINE(int, ip6_forwarding);
382 VNET_DEFINE(int, ip6_sendredirects);
383 VNET_DEFINE(int, ip6_defhlim);
384 VNET_DEFINE(int, ip6_defmcasthlim);
385 VNET_DEFINE(int, ip6_accept_rtadv);
386 VNET_DEFINE(int, ip6_maxfragpackets);
387 VNET_DEFINE(int, ip6_maxfrags);
388 VNET_DEFINE(int, ip6_log_interval);
389 VNET_DEFINE(int, ip6_hdrnestlimit);
390 VNET_DEFINE(int, ip6_dad_count);
391 VNET_DEFINE(int, ip6_auto_flowlabel);
392 VNET_DEFINE(int, ip6_use_deprecated);
393 VNET_DEFINE(int, ip6_rr_prune);
394 VNET_DEFINE(int, ip6_mcast_pmtu);
395 VNET_DEFINE(int, ip6_v6only);
396 VNET_DEFINE(int, ip6_keepfaith);
397 VNET_DEFINE(time_t, ip6_log_time);
398 VNET_DEFINE(int, ip6stealth);
399 VNET_DEFINE(int, nd6_onlink_ns_rfc4861);
403 * BSDI4 defines these variables in in_proto.c...
404 * XXX: what if we don't define INET? Should we define pmtu6_expire
405 * or so? (jinmei@kame.net 19990310)
407 VNET_DEFINE(int, pmtu_expire);
408 VNET_DEFINE(int, pmtu_probe);
410 /* raw IP6 parameters */
412 * Nominal space allocated to a raw ip socket.
414 VNET_DEFINE(u_long, rip6_sendspace);
415 VNET_DEFINE(u_long, rip6_recvspace);
417 /* ICMPV6 parameters */
418 VNET_DEFINE(int, icmp6_rediraccept);
419 VNET_DEFINE(int, icmp6_redirtimeout);
420 VNET_DEFINE(int, icmp6errppslim);
421 /* control how to respond to NI queries */
422 VNET_DEFINE(int, icmp6_nodeinfo);
424 /* UDP on IP6 parameters */
425 VNET_DEFINE(int, udp6_sendspace);
426 VNET_DEFINE(int, udp6_recvspace);
429 * sysctl related items.
431 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
435 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
436 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
437 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
438 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
440 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
443 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
448 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
453 VNET_SYSCTL_ARG(req, arg1);
455 error = SYSCTL_OUT(req, arg1, sizeof(int));
456 if (error || !req->newptr)
458 old = V_ip6_temp_preferred_lifetime;
459 error = SYSCTL_IN(req, arg1, sizeof(int));
460 if (V_ip6_temp_preferred_lifetime <
461 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
462 V_ip6_temp_preferred_lifetime = old;
469 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
474 VNET_SYSCTL_ARG(req, arg1);
476 error = SYSCTL_OUT(req, arg1, sizeof(int));
477 if (error || !req->newptr)
479 old = V_ip6_temp_valid_lifetime;
480 error = SYSCTL_IN(req, arg1, sizeof(int));
481 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
482 V_ip6_temp_preferred_lifetime = old;
488 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
489 &VNET_NAME(ip6_forwarding), 0, "");
490 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
491 &VNET_NAME(ip6_sendredirects), 0, "");
492 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
493 &VNET_NAME(ip6_defhlim), 0, "");
494 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
495 &VNET_NAME(ip6stat), ip6stat, "");
496 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
497 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
498 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
499 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, "");
500 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
501 &VNET_NAME(ip6_keepfaith), 0, "");
502 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
503 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
504 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
505 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
506 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
507 &VNET_NAME(ip6_dad_count), 0, "");
508 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
509 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
510 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
511 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
512 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
513 CTLFLAG_RD, __KAME_VERSION, 0, "");
514 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
515 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
516 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
517 &VNET_NAME(ip6_rr_prune), 0, "");
518 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
519 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
520 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
521 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
522 sysctl_ip6_temppltime, "I", "");
523 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
524 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
525 sysctl_ip6_tempvltime, "I", "");
526 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
527 &VNET_NAME(ip6_v6only), 0, "");
528 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
529 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, "");
530 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
531 &VNET_NAME(rip6stat), rip6stat, "");
532 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
533 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
534 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
535 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
536 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
537 &VNET_NAME(ip6_maxfrags), 0, "");
538 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
539 &VNET_NAME(ip6_mcast_pmtu), 0, "");
541 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
542 &VNET_NAME(ip6stealth), 0, "");
545 /* net.inet6.icmp6 */
546 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
547 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
548 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
549 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
550 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
551 &VNET_NAME(icmp6stat), icmp6stat, "");
552 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
553 &VNET_NAME(nd6_prune), 0, "");
554 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
555 &VNET_NAME(nd6_delay), 0, "");
556 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
557 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
558 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
559 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
560 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
561 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
562 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
563 &VNET_NAME(icmp6_nodeinfo), 0, "");
564 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
565 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
566 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
567 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
568 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
569 &VNET_NAME(nd6_debug), 0, "");
571 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
572 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
573 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");