1 /*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
16 *
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
27 * SUCH DAMAGE.
28 *
29 * $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $
30 */
31
32 /*-
33 * Copyright (c) 1982, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
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.
47 *
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
58 * SUCH DAMAGE.
59 *
60 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
61 */
62
63 #include <sys/cdefs.h>
64 __FBSDID("$FreeBSD: releng/10.2/sys/netinet6/in6_proto.c 284066 2015-06-06 12:44:42Z ae $");
65
66 #include "opt_inet.h"
67 #include "opt_inet6.h"
68 #include "opt_ipsec.h"
69 #include "opt_ipstealth.h"
70 #include "opt_sctp.h"
71 #include "opt_mpath.h"
72 #include "opt_route.h"
73
74 #include <sys/param.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 #include <sys/proc.h>
78 #include <sys/protosw.h>
79 #include <sys/jail.h>
80 #include <sys/kernel.h>
81 #include <sys/domain.h>
82 #include <sys/mbuf.h>
83 #include <sys/systm.h>
84 #include <sys/sysctl.h>
85
86 #include <net/if.h>
87 #include <net/radix.h>
88 #include <net/route.h>
89 #ifdef RADIX_MPATH
90 #include <net/radix_mpath.h>
91 #endif
92
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>
102
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>
113
114 #ifdef SCTP
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>
120 #endif /* SCTP */
121
122 #ifdef IPSEC
123 #include <netipsec/ipsec.h>
124 #include <netipsec/ipsec6.h>
125 #endif /* IPSEC */
126
127 #include <netinet6/ip6protosw.h>
128
129 /*
130 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
131 */
132 FEATURE(inet6, "Internet Protocol version 6");
133
134 extern struct domain inet6domain;
135 static struct pr_usrreqs nousrreqs;
136
137 #define PR_LISTEN 0
138 #define PR_ABRTACPTDIS 0
139
140 /* Spacer for loadable protocols. */
141 #define IP6PROTOSPACER \
142 { \
143 .pr_domain = &inet6domain, \
144 .pr_protocol = PROTO_SPACER, \
145 .pr_usrreqs = &nousrreqs \
146 }
147
148 struct ip6protosw inet6sw[] = {
149 {
150 .pr_type = 0,
151 .pr_domain = &inet6domain,
152 .pr_protocol = IPPROTO_IPV6,
153 .pr_init = ip6_init,
154 #ifdef VIMAGE
155 .pr_destroy = ip6_destroy,
156 #endif
157 .pr_slowtimo = frag6_slowtimo,
158 .pr_drain = frag6_drain,
159 .pr_usrreqs = &nousrreqs,
160 },
161 {
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. */
170 .pr_init = udp_init,
171 #endif
172 .pr_usrreqs = &udp6_usrreqs,
173 },
174 {
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 */
183 .pr_init = tcp_init,
184 .pr_slowtimo = tcp_slowtimo,
185 #endif
186 .pr_drain = tcp_drain,
187 .pr_usrreqs = &tcp6_usrreqs,
188 },
189 #ifdef SCTP
190 {
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,
201 #endif
202 .pr_usrreqs = &sctp6_usrreqs
203 },
204 {
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
214 },
215 #endif /* SCTP */
216 {
217 .pr_type = SOCK_DGRAM,
218 .pr_domain = &inet6domain,
219 .pr_protocol = IPPROTO_UDPLITE,
220 .pr_flags = PR_ATOMIC|PR_ADDR,
221 .pr_input = udp6_input,
222 .pr_ctlinput = udplite6_ctlinput,
223 .pr_ctloutput = udp_ctloutput,
224 #ifndef INET /* Do not call initialization twice. */
225 .pr_init = udplite_init,
226 #endif
227 .pr_usrreqs = &udp6_usrreqs,
228 },
229 {
230 .pr_type = SOCK_RAW,
231 .pr_domain = &inet6domain,
232 .pr_protocol = IPPROTO_RAW,
233 .pr_flags = PR_ATOMIC|PR_ADDR,
234 .pr_input = rip6_input,
235 .pr_output = rip6_output,
236 .pr_ctlinput = rip6_ctlinput,
237 .pr_ctloutput = rip6_ctloutput,
238 #ifndef INET /* Do not call initialization twice. */
239 .pr_init = rip_init,
240 #endif
241 .pr_usrreqs = &rip6_usrreqs
242 },
243 {
244 .pr_type = SOCK_RAW,
245 .pr_domain = &inet6domain,
246 .pr_protocol = IPPROTO_ICMPV6,
247 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
248 .pr_input = icmp6_input,
249 .pr_output = rip6_output,
250 .pr_ctlinput = rip6_ctlinput,
251 .pr_ctloutput = rip6_ctloutput,
252 .pr_fasttimo = icmp6_fasttimo,
253 .pr_slowtimo = icmp6_slowtimo,
254 .pr_usrreqs = &rip6_usrreqs
255 },
256 {
257 .pr_type = SOCK_RAW,
258 .pr_domain = &inet6domain,
259 .pr_protocol = IPPROTO_DSTOPTS,
260 .pr_flags = PR_ATOMIC|PR_ADDR,
261 .pr_input = dest6_input,
262 .pr_usrreqs = &nousrreqs
263 },
264 {
265 .pr_type = SOCK_RAW,
266 .pr_domain = &inet6domain,
267 .pr_protocol = IPPROTO_ROUTING,
268 .pr_flags = PR_ATOMIC|PR_ADDR,
269 .pr_input = route6_input,
270 .pr_usrreqs = &nousrreqs
271 },
272 {
273 .pr_type = SOCK_RAW,
274 .pr_domain = &inet6domain,
275 .pr_protocol = IPPROTO_FRAGMENT,
276 .pr_flags = PR_ATOMIC|PR_ADDR,
277 .pr_input = frag6_input,
278 .pr_usrreqs = &nousrreqs
279 },
280 #ifdef IPSEC
281 {
282 .pr_type = SOCK_RAW,
283 .pr_domain = &inet6domain,
284 .pr_protocol = IPPROTO_AH,
285 .pr_flags = PR_ATOMIC|PR_ADDR,
286 .pr_input = ipsec6_common_input,
287 .pr_usrreqs = &nousrreqs,
288 },
289 {
290 .pr_type = SOCK_RAW,
291 .pr_domain = &inet6domain,
292 .pr_protocol = IPPROTO_ESP,
293 .pr_flags = PR_ATOMIC|PR_ADDR,
294 .pr_input = ipsec6_common_input,
295 .pr_ctlinput = esp6_ctlinput,
296 .pr_usrreqs = &nousrreqs,
297 },
298 {
299 .pr_type = SOCK_RAW,
300 .pr_domain = &inet6domain,
301 .pr_protocol = IPPROTO_IPCOMP,
302 .pr_flags = PR_ATOMIC|PR_ADDR,
303 .pr_input = ipsec6_common_input,
304 .pr_usrreqs = &nousrreqs,
305 },
306 #endif /* IPSEC */
307 #ifdef INET
308 {
309 .pr_type = SOCK_RAW,
310 .pr_domain = &inet6domain,
311 .pr_protocol = IPPROTO_IPV4,
312 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
313 .pr_input = encap6_input,
314 .pr_output = rip6_output,
315 .pr_ctloutput = rip6_ctloutput,
316 .pr_init = encap_init,
317 .pr_usrreqs = &rip6_usrreqs
318 },
319 #endif /* INET */
320 {
321 .pr_type = SOCK_RAW,
322 .pr_domain = &inet6domain,
323 .pr_protocol = IPPROTO_IPV6,
324 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
325 .pr_input = encap6_input,
326 .pr_output = rip6_output,
327 .pr_ctloutput = rip6_ctloutput,
328 .pr_init = encap_init,
329 .pr_usrreqs = &rip6_usrreqs
330 },
331 {
332 .pr_type = SOCK_RAW,
333 .pr_domain = &inet6domain,
334 .pr_protocol = IPPROTO_GRE,
335 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
336 .pr_input = encap6_input,
337 .pr_output = rip6_output,
338 .pr_ctloutput = rip6_ctloutput,
339 .pr_init = encap_init,
340 .pr_usrreqs = &rip6_usrreqs
341 },
342 {
343 .pr_type = SOCK_RAW,
344 .pr_domain = &inet6domain,
345 .pr_protocol = IPPROTO_PIM,
346 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
347 .pr_input = encap6_input,
348 .pr_output = rip6_output,
349 .pr_ctloutput = rip6_ctloutput,
350 .pr_usrreqs = &rip6_usrreqs
351 },
352 /* Spacer n-times for loadable protocols. */
353 IP6PROTOSPACER,
354 IP6PROTOSPACER,
355 IP6PROTOSPACER,
356 IP6PROTOSPACER,
357 IP6PROTOSPACER,
358 IP6PROTOSPACER,
359 IP6PROTOSPACER,
360 IP6PROTOSPACER,
361 /* raw wildcard */
362 {
363 .pr_type = SOCK_RAW,
364 .pr_domain = &inet6domain,
365 .pr_flags = PR_ATOMIC|PR_ADDR,
366 .pr_input = rip6_input,
367 .pr_output = rip6_output,
368 .pr_ctloutput = rip6_ctloutput,
369 .pr_usrreqs = &rip6_usrreqs
370 },
371 };
372
373 extern int in6_inithead(void **, int);
374 #ifdef VIMAGE
375 extern int in6_detachhead(void **, int);
376 #endif
377
378 struct domain inet6domain = {
379 .dom_family = AF_INET6,
380 .dom_name = "internet6",
381 .dom_protosw = (struct protosw *)inet6sw,
382 .dom_protoswNPROTOSW = (struct protosw *)
383 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
384 #ifdef RADIX_MPATH
385 .dom_rtattach = rn6_mpath_inithead,
386 #else
387 .dom_rtattach = in6_inithead,
388 #endif
389 #ifdef VIMAGE
390 .dom_rtdetach = in6_detachhead,
391 #endif
392 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
393 .dom_maxrtkey = sizeof(struct sockaddr_in6),
394 .dom_ifattach = in6_domifattach,
395 .dom_ifdetach = in6_domifdetach
396 };
397
398 VNET_DOMAIN_SET(inet6);
399
400 /*
401 * Internet configuration info
402 */
403 #ifndef IPV6FORWARDING
404 #ifdef GATEWAY6
405 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
406 #else
407 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
408 #endif /* GATEWAY6 */
409 #endif /* !IPV6FORWARDING */
410
411 #ifndef IPV6_SENDREDIRECTS
412 #define IPV6_SENDREDIRECTS 1
413 #endif
414
415 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
416 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
417 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
418 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
419 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
420 VNET_DEFINE(int, ip6_no_radr) = 0;
421 VNET_DEFINE(int, ip6_norbit_raif) = 0;
422 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
423 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
424 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
425 VNET_DEFINE(int, ip6_log_interval) = 5;
426 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
427 * process? */
428 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
429 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
430 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
431 * (RFC2462 5.5.4) */
432 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
433 * walk list every 5 sec. */
434 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
435 VNET_DEFINE(int, ip6_v6only) = 1;
436
437 VNET_DEFINE(int, ip6_keepfaith) = 0;
438 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
439 #ifdef IPSTEALTH
440 VNET_DEFINE(int, ip6stealth) = 0;
441 #endif
442 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
443 * (RFC 4861) */
444
445 /* icmp6 */
446 /*
447 * BSDI4 defines these variables in in_proto.c...
448 * XXX: what if we don't define INET? Should we define pmtu6_expire
449 * or so? (jinmei@kame.net 19990310)
450 */
451 VNET_DEFINE(int, pmtu_expire) = 60*10;
452 VNET_DEFINE(int, pmtu_probe) = 60*2;
453
454 /* ICMPV6 parameters */
455 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
456 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
457 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
458 /* control how to respond to NI queries */
459 VNET_DEFINE(int, icmp6_nodeinfo) =
460 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
461 VNET_DEFINE(int, icmp6_nodeinfo_oldmcprefix) = 1;
462
463 /*
464 * sysctl related items.
465 */
466 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
467 "Internet6 Family");
468
469 /* net.inet6 */
470 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
471 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
472 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
473 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
474 #ifdef SCTP
475 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
476 #endif
477 #ifdef IPSEC
478 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
479 #endif /* IPSEC */
480
481 /* net.inet6.ip6 */
482 static int
483 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
484 {
485 int error = 0;
486 int old;
487
488 error = SYSCTL_OUT(req, arg1, sizeof(int));
489 if (error || !req->newptr)
490 return (error);
491 old = V_ip6_temp_preferred_lifetime;
492 error = SYSCTL_IN(req, arg1, sizeof(int));
493 if (V_ip6_temp_preferred_lifetime <
494 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
495 V_ip6_temp_preferred_lifetime = old;
496 return (EINVAL);
497 }
498 return (error);
499 }
500
501 static int
502 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
503 {
504 int error = 0;
505 int old;
506
507 error = SYSCTL_OUT(req, arg1, sizeof(int));
508 if (error || !req->newptr)
509 return (error);
510 old = V_ip6_temp_valid_lifetime;
511 error = SYSCTL_IN(req, arg1, sizeof(int));
512 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
513 V_ip6_temp_preferred_lifetime = old;
514 return (EINVAL);
515 }
516 return (error);
517 }
518
519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
520 &VNET_NAME(ip6_forwarding), 0, "");
521 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
522 &VNET_NAME(ip6_sendredirects), 0, "");
523 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
524 &VNET_NAME(ip6_defhlim), 0, "");
525 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_STATS, stats, struct ip6stat,
526 ip6stat, "IP6 statistics (struct ip6stat, netinet6/ip6_var.h)");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
528 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
529 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
530 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
531 "Default value of per-interface flag for accepting ICMPv6 Router"
532 "Advertisement messages");
533 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
534 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
535 "Default value of per-interface flag to control whether routers "
536 "sending ICMPv6 RA messages on that interface are added into the "
537 "default router list.");
538 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
539 &VNET_NAME(ip6_norbit_raif), 0,
540 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
541 " on the interface.");
542 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
543 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
544 "Accept the default router list from ICMPv6 RA messages even "
545 "when packet forwarding enabled.");
546 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
547 &VNET_NAME(ip6_keepfaith), 0, "");
548 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
549 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
550 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
551 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
552 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
553 &VNET_NAME(ip6_dad_count), 0, "");
554 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
555 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
556 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
557 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
558 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
559 CTLFLAG_RD, __KAME_VERSION, 0, "");
560 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
561 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
562 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
563 &VNET_NAME(ip6_rr_prune), 0, "");
564 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
565 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
566 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
567 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
568 sysctl_ip6_temppltime, "I", "");
569 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
570 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
571 sysctl_ip6_tempvltime, "I", "");
572 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
573 &VNET_NAME(ip6_v6only), 0, "");
574 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
575 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
576 "Default value of per-interface flag for automatically adding an IPv6"
577 " link-local address to interfaces when attached");
578 SYSCTL_VNET_PCPUSTAT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats,
579 struct rip6stat, rip6stat,
580 "Raw IP6 statistics (struct rip6stat, netinet6/raw_ip6.h)");
581 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
582 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
583 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
584 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
585 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
586 &VNET_NAME(ip6_maxfrags), 0, "");
587 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
588 &VNET_NAME(ip6_mcast_pmtu), 0, "");
589 #ifdef IPSTEALTH
590 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
591 &VNET_NAME(ip6stealth), 0, "");
592 #endif
593
594 /* net.inet6.icmp6 */
595 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
596 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
597 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
598 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
599 SYSCTL_VNET_PCPUSTAT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats,
600 struct icmp6stat, icmp6stat,
601 "ICMPv6 statistics (struct icmp6stat, netinet/icmp6.h)");
602 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
603 &VNET_NAME(nd6_prune), 0, "");
604 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
605 &VNET_NAME(nd6_delay), 0, "");
606 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
607 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
608 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
609 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
610 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
611 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
612 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
613 &VNET_NAME(icmp6_nodeinfo), 0, "");
614 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO_OLDMCPREFIX,
615 nodeinfo_oldmcprefix, CTLFLAG_RW,
616 &VNET_NAME(icmp6_nodeinfo_oldmcprefix), 0,
617 "Join old IPv6 NI group address in draft-ietf-ipngwg-icmp-name-lookup"
618 " for compatibility with KAME implememtation.");
619 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
620 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
621 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
622 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
623 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
624 &VNET_NAME(nd6_debug), 0, "");
625 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
626 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
627 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
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