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_fasttimo = tcp_fasttimo,
177 .pr_slowtimo = tcp_slowtimo,
179 .pr_drain = tcp_drain,
180 .pr_usrreqs = &tcp6_usrreqs,
184 .pr_type = SOCK_DGRAM,
185 .pr_domain = &inet6domain,
186 .pr_protocol = IPPROTO_SCTP,
187 .pr_flags = PR_WANTRCVD,
188 .pr_input = sctp6_input,
189 .pr_ctlinput = sctp6_ctlinput,
190 .pr_ctloutput = sctp_ctloutput,
191 .pr_drain = sctp_drain,
192 .pr_usrreqs = &sctp6_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 .pr_usrreqs = &sctp6_usrreqs
207 .pr_type = SOCK_STREAM,
208 .pr_domain = &inet6domain,
209 .pr_protocol = IPPROTO_SCTP,
210 .pr_flags = PR_WANTRCVD,
211 .pr_input = sctp6_input,
212 .pr_ctlinput = sctp6_ctlinput,
213 .pr_ctloutput = sctp_ctloutput,
214 .pr_drain = sctp_drain,
215 .pr_usrreqs = &sctp6_usrreqs
220 .pr_domain = &inet6domain,
221 .pr_protocol = IPPROTO_RAW,
222 .pr_flags = PR_ATOMIC|PR_ADDR,
223 .pr_input = rip6_input,
224 .pr_output = rip6_output,
225 .pr_ctlinput = rip6_ctlinput,
226 .pr_ctloutput = rip6_ctloutput,
227 .pr_usrreqs = &rip6_usrreqs
231 .pr_domain = &inet6domain,
232 .pr_protocol = IPPROTO_ICMPV6,
233 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
234 .pr_input = icmp6_input,
235 .pr_output = rip6_output,
236 .pr_ctlinput = rip6_ctlinput,
237 .pr_ctloutput = rip6_ctloutput,
238 .pr_init = icmp6_init,
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
331 .pr_domain = &inet6domain,
332 .pr_protocol = IPPROTO_CARP,
333 .pr_flags = PR_ATOMIC|PR_ADDR,
334 .pr_input = carp6_input,
335 .pr_output = rip6_output,
336 .pr_ctloutput = rip6_ctloutput,
337 .pr_usrreqs = &rip6_usrreqs
339 #endif /* DEV_CARP */
343 .pr_domain = &inet6domain,
344 .pr_flags = PR_ATOMIC|PR_ADDR,
345 .pr_input = rip6_input,
346 .pr_output = rip6_output,
347 .pr_ctloutput = rip6_ctloutput,
348 .pr_usrreqs = &rip6_usrreqs
352 extern int in6_inithead(void **, int);
354 extern int in6_detachhead(void **, int);
357 struct domain inet6domain = {
358 .dom_family = AF_INET6,
359 .dom_name = "internet6",
360 .dom_protosw = (struct protosw *)inet6sw,
361 .dom_protoswNPROTOSW = (struct protosw *)
362 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
364 .dom_rtattach = rn6_mpath_inithead,
366 .dom_rtattach = in6_inithead,
369 .dom_rtdetach = in6_detachhead,
371 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
372 .dom_maxrtkey = sizeof(struct sockaddr_in6),
373 .dom_ifattach = in6_domifattach,
374 .dom_ifdetach = in6_domifdetach
377 VNET_DOMAIN_SET(inet6);
380 * Internet configuration info
382 VNET_DEFINE(int, ip6_forwarding);
383 VNET_DEFINE(int, ip6_sendredirects);
384 VNET_DEFINE(int, ip6_defhlim);
385 VNET_DEFINE(int, ip6_defmcasthlim);
386 VNET_DEFINE(int, ip6_accept_rtadv);
387 VNET_DEFINE(int, ip6_maxfragpackets);
388 VNET_DEFINE(int, ip6_maxfrags);
389 VNET_DEFINE(int, ip6_log_interval);
390 VNET_DEFINE(int, ip6_hdrnestlimit);
391 VNET_DEFINE(int, ip6_dad_count);
392 VNET_DEFINE(int, ip6_auto_flowlabel);
393 VNET_DEFINE(int, ip6_use_deprecated);
394 VNET_DEFINE(int, ip6_rr_prune);
395 VNET_DEFINE(int, ip6_mcast_pmtu);
396 VNET_DEFINE(int, ip6_v6only);
397 VNET_DEFINE(int, ip6_keepfaith);
398 VNET_DEFINE(time_t, ip6_log_time);
399 VNET_DEFINE(int, ip6stealth);
400 VNET_DEFINE(int, nd6_onlink_ns_rfc4861);
404 * BSDI4 defines these variables in in_proto.c...
405 * XXX: what if we don't define INET? Should we define pmtu6_expire
406 * or so? (jinmei@kame.net 19990310)
408 VNET_DEFINE(int, pmtu_expire);
409 VNET_DEFINE(int, pmtu_probe);
411 /* raw IP6 parameters */
413 * Nominal space allocated to a raw ip socket.
415 VNET_DEFINE(u_long, rip6_sendspace);
416 VNET_DEFINE(u_long, rip6_recvspace);
418 /* ICMPV6 parameters */
419 VNET_DEFINE(int, icmp6_rediraccept);
420 VNET_DEFINE(int, icmp6_redirtimeout);
421 VNET_DEFINE(int, icmp6errppslim);
422 /* control how to respond to NI queries */
423 VNET_DEFINE(int, icmp6_nodeinfo);
425 /* UDP on IP6 parameters */
426 VNET_DEFINE(int, udp6_sendspace);
427 VNET_DEFINE(int, udp6_recvspace);
430 * sysctl related items.
432 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
436 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
437 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
438 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
439 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
441 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
444 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
449 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
454 VNET_SYSCTL_ARG(req, arg1);
456 error = SYSCTL_OUT(req, arg1, sizeof(int));
457 if (error || !req->newptr)
459 old = V_ip6_temp_preferred_lifetime;
460 error = SYSCTL_IN(req, arg1, sizeof(int));
461 if (V_ip6_temp_preferred_lifetime <
462 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
463 V_ip6_temp_preferred_lifetime = old;
470 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
475 VNET_SYSCTL_ARG(req, arg1);
477 error = SYSCTL_OUT(req, arg1, sizeof(int));
478 if (error || !req->newptr)
480 old = V_ip6_temp_valid_lifetime;
481 error = SYSCTL_IN(req, arg1, sizeof(int));
482 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
483 V_ip6_temp_preferred_lifetime = old;
489 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
490 &VNET_NAME(ip6_forwarding), 0, "");
491 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
492 &VNET_NAME(ip6_sendredirects), 0, "");
493 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
494 &VNET_NAME(ip6_defhlim), 0, "");
495 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
496 &VNET_NAME(ip6stat), ip6stat, "");
497 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
498 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
499 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
500 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0, "");
501 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
502 &VNET_NAME(ip6_keepfaith), 0, "");
503 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
504 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
505 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
506 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
507 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
508 &VNET_NAME(ip6_dad_count), 0, "");
509 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
510 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
511 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
512 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
513 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
514 CTLFLAG_RD, __KAME_VERSION, 0, "");
515 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
516 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
517 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
518 &VNET_NAME(ip6_rr_prune), 0, "");
519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
520 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
521 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
522 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
523 sysctl_ip6_temppltime, "I", "");
524 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
525 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
526 sysctl_ip6_tempvltime, "I", "");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
528 &VNET_NAME(ip6_v6only), 0, "");
529 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
530 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0, "");
531 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
532 &VNET_NAME(rip6stat), rip6stat, "");
533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
534 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
535 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
536 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
537 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
538 &VNET_NAME(ip6_maxfrags), 0, "");
539 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
540 &VNET_NAME(ip6_mcast_pmtu), 0, "");
542 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
543 &VNET_NAME(ip6stealth), 0, "");
546 /* net.inet6.icmp6 */
547 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
548 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
549 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
550 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
551 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
552 &VNET_NAME(icmp6stat), icmp6stat, "");
553 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
554 &VNET_NAME(nd6_prune), 0, "");
555 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
556 &VNET_NAME(nd6_delay), 0, "");
557 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
558 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
559 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
560 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
561 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
562 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
563 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
564 &VNET_NAME(icmp6_nodeinfo), 0, "");
565 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
566 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
567 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
568 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
569 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
570 &VNET_NAME(nd6_debug), 0, "");
572 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
573 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
574 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");