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("$FreeBSD$");
65
66 #include "opt_inet.h"
67 #include "opt_inet6.h"
68 #include "opt_ipsec.h"
69 #include "opt_ipstealth.h"
70 #include "opt_carp.h"
71 #include "opt_sctp.h"
72
73 #include <sys/param.h>
74 #include <sys/socket.h>
75 #include <sys/socketvar.h>
76 #include <sys/protosw.h>
77 #include <sys/kernel.h>
78 #include <sys/domain.h>
79 #include <sys/mbuf.h>
80 #include <sys/systm.h>
81 #include <sys/sysctl.h>
82
83 #include <net/if.h>
84 #include <net/radix.h>
85 #include <net/route.h>
86
87 #include <netinet/in.h>
88 #include <netinet/in_systm.h>
89 #include <netinet/in_var.h>
90 #include <netinet/ip_encap.h>
91 #include <netinet/ip.h>
92 #include <netinet/ip_var.h>
93 #include <netinet/ip6.h>
94 #include <netinet6/ip6_var.h>
95 #include <netinet/icmp6.h>
96
97 #include <netinet/tcp.h>
98 #include <netinet/tcp_timer.h>
99 #include <netinet/tcp_var.h>
100 #include <netinet/udp.h>
101 #include <netinet/udp_var.h>
102 #include <netinet6/tcp6_var.h>
103 #include <netinet6/raw_ip6.h>
104 #include <netinet6/udp6_var.h>
105 #include <netinet6/pim6_var.h>
106 #include <netinet6/nd6.h>
107
108 #ifdef DEV_CARP
109 #include <netinet/ip_carp.h>
110 #endif
111
112 #ifdef SCTP
113 #include <netinet/in_pcb.h>
114 #include <netinet/sctp_pcb.h>
115 #include <netinet/sctp.h>
116 #include <netinet/sctp_var.h>
117 #include <netinet6/sctp6_var.h>
118 #endif /* SCTP */
119
120 #ifdef IPSEC
121 #include <netipsec/ipsec.h>
122 #include <netipsec/ipsec6.h>
123 #endif /* IPSEC */
124
125 #include <netinet6/ip6protosw.h>
126
127 /*
128 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
129 */
130 FEATURE(inet6, "Internet Protocol version 6");
131
132 extern struct domain inet6domain;
133 static struct pr_usrreqs nousrreqs;
134
135 #define PR_LISTEN 0
136 #define PR_ABRTACPTDIS 0
137
138 /* Spacer for loadable protocols. */
139 #define IP6PROTOSPACER \
140 { \
141 .pr_domain = &inet6domain, \
142 .pr_protocol = PROTO_SPACER, \
143 .pr_usrreqs = &nousrreqs \
144 }
145
146 struct ip6protosw inet6sw[] = {
147 {
148 .pr_type = 0,
149 .pr_domain = &inet6domain,
150 .pr_protocol = IPPROTO_IPV6,
151 .pr_init = ip6_init,
152 .pr_slowtimo = frag6_slowtimo,
153 .pr_drain = frag6_drain,
154 .pr_usrreqs = &nousrreqs,
155 },
156 {
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,
165 },
166 {
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 */
175 .pr_init = tcp_init,
176 .pr_slowtimo = tcp_slowtimo,
177 #endif
178 .pr_drain = tcp_drain,
179 .pr_usrreqs = &tcp6_usrreqs,
180 },
181 #ifdef SCTP
182 {
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
192 },
193 {
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
203 },
204
205 {
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
215 },
216 #endif /* SCTP */
217 {
218 .pr_type = SOCK_RAW,
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
227 },
228 {
229 .pr_type = SOCK_RAW,
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_usrreqs = &rip6_usrreqs
240 },
241 {
242 .pr_type = SOCK_RAW,
243 .pr_domain = &inet6domain,
244 .pr_protocol = IPPROTO_DSTOPTS,
245 .pr_flags = PR_ATOMIC|PR_ADDR,
246 .pr_input = dest6_input,
247 .pr_usrreqs = &nousrreqs
248 },
249 {
250 .pr_type = SOCK_RAW,
251 .pr_domain = &inet6domain,
252 .pr_protocol = IPPROTO_ROUTING,
253 .pr_flags = PR_ATOMIC|PR_ADDR,
254 .pr_input = route6_input,
255 .pr_usrreqs = &nousrreqs
256 },
257 {
258 .pr_type = SOCK_RAW,
259 .pr_domain = &inet6domain,
260 .pr_protocol = IPPROTO_FRAGMENT,
261 .pr_flags = PR_ATOMIC|PR_ADDR,
262 .pr_input = frag6_input,
263 .pr_usrreqs = &nousrreqs
264 },
265 #ifdef IPSEC
266 {
267 .pr_type = SOCK_RAW,
268 .pr_domain = &inet6domain,
269 .pr_protocol = IPPROTO_AH,
270 .pr_flags = PR_ATOMIC|PR_ADDR,
271 .pr_input = ipsec6_common_input,
272 .pr_usrreqs = &nousrreqs,
273 },
274 {
275 .pr_type = SOCK_RAW,
276 .pr_domain = &inet6domain,
277 .pr_protocol = IPPROTO_ESP,
278 .pr_flags = PR_ATOMIC|PR_ADDR,
279 .pr_input = ipsec6_common_input,
280 .pr_ctlinput = esp6_ctlinput,
281 .pr_usrreqs = &nousrreqs,
282 },
283 {
284 .pr_type = SOCK_RAW,
285 .pr_domain = &inet6domain,
286 .pr_protocol = IPPROTO_IPCOMP,
287 .pr_flags = PR_ATOMIC|PR_ADDR,
288 .pr_input = ipsec6_common_input,
289 .pr_usrreqs = &nousrreqs,
290 },
291 #endif /* IPSEC */
292 #ifdef INET
293 {
294 .pr_type = SOCK_RAW,
295 .pr_domain = &inet6domain,
296 .pr_protocol = IPPROTO_IPV4,
297 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
298 .pr_input = encap6_input,
299 .pr_output = rip6_output,
300 .pr_ctloutput = rip6_ctloutput,
301 .pr_init = encap_init,
302 .pr_usrreqs = &rip6_usrreqs
303 },
304 #endif /* INET */
305 {
306 .pr_type = SOCK_RAW,
307 .pr_domain = &inet6domain,
308 .pr_protocol = IPPROTO_IPV6,
309 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
310 .pr_input = encap6_input,
311 .pr_output = rip6_output,
312 .pr_ctloutput = rip6_ctloutput,
313 .pr_init = encap_init,
314 .pr_usrreqs = &rip6_usrreqs
315 },
316 {
317 .pr_type = SOCK_RAW,
318 .pr_domain = &inet6domain,
319 .pr_protocol = IPPROTO_PIM,
320 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
321 .pr_input = encap6_input,
322 .pr_output = rip6_output,
323 .pr_ctloutput = rip6_ctloutput,
324 .pr_usrreqs = &rip6_usrreqs
325 },
326 #ifdef DEV_CARP
327 {
328 .pr_type = SOCK_RAW,
329 .pr_domain = &inet6domain,
330 .pr_protocol = IPPROTO_CARP,
331 .pr_flags = PR_ATOMIC|PR_ADDR,
332 .pr_input = carp6_input,
333 .pr_output = rip6_output,
334 .pr_ctloutput = rip6_ctloutput,
335 .pr_usrreqs = &rip6_usrreqs
336 },
337 #endif /* DEV_CARP */
338 /* Spacer n-times for loadable protocols. */
339 IP6PROTOSPACER,
340 IP6PROTOSPACER,
341 IP6PROTOSPACER,
342 IP6PROTOSPACER,
343 IP6PROTOSPACER,
344 IP6PROTOSPACER,
345 IP6PROTOSPACER,
346 IP6PROTOSPACER,
347 /* raw wildcard */
348 {
349 .pr_type = SOCK_RAW,
350 .pr_domain = &inet6domain,
351 .pr_flags = PR_ATOMIC|PR_ADDR,
352 .pr_input = rip6_input,
353 .pr_output = rip6_output,
354 .pr_ctloutput = rip6_ctloutput,
355 .pr_usrreqs = &rip6_usrreqs
356 },
357 };
358
359 extern int in6_inithead(void **, int);
360
361 struct domain inet6domain = {
362 .dom_family = AF_INET6,
363 .dom_name = "internet6",
364 .dom_protosw = (struct protosw *)inet6sw,
365 .dom_protoswNPROTOSW = (struct protosw *)
366 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
367 .dom_rtattach = in6_inithead,
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
372 };
373
374 DOMAIN_SET(inet6);
375
376 /*
377 * Internet configuration info
378 */
379 #ifndef IPV6FORWARDING
380 #ifdef GATEWAY6
381 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
382 #else
383 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
384 #endif /* GATEWAY6 */
385 #endif /* !IPV6FORWARDING */
386
387 #ifndef IPV6_SENDREDIRECTS
388 #define IPV6_SENDREDIRECTS 1
389 #endif
390
391 int ip6_forwarding = IPV6FORWARDING; /* act as router? */
392 int ip6_sendredirects = IPV6_SENDREDIRECTS;
393 int ip6_defhlim = IPV6_DEFHLIM;
394 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
395 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
396 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */
397 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */
398 int ip6_log_interval = 5;
399 int ip6_hdrnestlimit = 15; /* How many header options will we process? */
400 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
401 int ip6_auto_flowlabel = 1;
402 int ip6_gif_hlim = 0;
403 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
404 int ip6_rr_prune = 5; /* router renumbering prefix
405 * walk list every 5 sec. */
406 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */
407 int ip6_v6only = 1;
408
409 int ip6_keepfaith = 0;
410 time_t ip6_log_time = (time_t)0L;
411 #ifdef IPSTEALTH
412 int ip6stealth = 0;
413 #endif
414 int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */
415
416 /* icmp6 */
417 /*
418 * BSDI4 defines these variables in in_proto.c...
419 * XXX: what if we don't define INET? Should we define pmtu6_expire
420 * or so? (jinmei@kame.net 19990310)
421 */
422 int pmtu_expire = 60*10;
423 int pmtu_probe = 60*2;
424
425 /* raw IP6 parameters */
426 /*
427 * Nominal space allocated to a raw ip socket.
428 */
429 #define RIPV6SNDQ 8192
430 #define RIPV6RCVQ 8192
431
432 u_long rip6_sendspace = RIPV6SNDQ;
433 u_long rip6_recvspace = RIPV6RCVQ;
434
435 /* ICMPV6 parameters */
436 int icmp6_rediraccept = 1; /* accept and process redirects */
437 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
438 int icmp6errppslim = 100; /* 100pps */
439 /* control how to respond to NI queries */
440 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
441
442 /* UDP on IP6 parameters */
443 int udp6_sendspace = 9216; /* really max datagram size */
444 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
445 /* 40 1K datagrams */
446
447 /*
448 * sysctl related items.
449 */
450 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
451 "Internet6 Family");
452
453 /* net.inet6 */
454 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
455 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
456 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
457 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
458 #ifdef SCTP
459 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
460 #endif
461 #ifdef IPSEC
462 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
463 #endif /* IPSEC */
464
465 /* net.inet6.ip6 */
466 static int
467 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
468 {
469 int error = 0;
470 int old;
471
472 error = SYSCTL_OUT(req, arg1, sizeof(int));
473 if (error || !req->newptr)
474 return (error);
475 old = ip6_temp_preferred_lifetime;
476 error = SYSCTL_IN(req, arg1, sizeof(int));
477 if (ip6_temp_preferred_lifetime <
478 ip6_desync_factor + ip6_temp_regen_advance) {
479 ip6_temp_preferred_lifetime = old;
480 return (EINVAL);
481 }
482 return (error);
483 }
484
485 static int
486 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
487 {
488 int error = 0;
489 int old;
490
491 error = SYSCTL_OUT(req, arg1, sizeof(int));
492 if (error || !req->newptr)
493 return (error);
494 old = ip6_temp_valid_lifetime;
495 error = SYSCTL_IN(req, arg1, sizeof(int));
496 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
497 ip6_temp_preferred_lifetime = old;
498 return (EINVAL);
499 }
500 return (error);
501 }
502
503 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING,
504 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, "");
505 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS,
506 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, "");
507 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM,
508 hlim, CTLFLAG_RW, &ip6_defhlim, 0, "");
509 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
510 &ip6stat, ip6stat, "");
511 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS,
512 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, "");
513 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
514 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, "");
515 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH,
516 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, "");
517 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
518 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, "");
519 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT,
520 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, "");
521 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT,
522 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, "");
523 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL,
524 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, "");
525 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM,
526 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, "");
527 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM,
528 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, "");
529 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
530 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, "");
531 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED,
532 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, "");
533 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE,
534 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, "");
535 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR,
536 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, "");
537 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
538 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0,
539 sysctl_ip6_temppltime, "I", "");
540 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
541 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0,
542 sysctl_ip6_tempvltime, "I", "");
543 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY,
544 v6only, CTLFLAG_RW, &ip6_v6only, 0, "");
545 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal);
546 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL,
547 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, "");
548 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
549 &rip6stat, rip6stat, "");
550 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR,
551 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, "");
552 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE,
553 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,"");
554 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS,
555 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, "");
556 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU,
557 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, "");
558 #ifdef IPSTEALTH
559 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
560 &ip6stealth, 0, "");
561 #endif
562
563 /* net.inet6.icmp6 */
564 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT,
565 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, "");
566 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT,
567 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, "");
568 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
569 &icmp6stat, icmp6stat, "");
570 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE,
571 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, "");
572 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY,
573 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, "");
574 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES,
575 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, "");
576 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES,
577 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, "");
578 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK,
579 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, "");
580 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO,
581 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, "");
582 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
583 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, "");
584 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT,
585 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, "");
586 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG,
587 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, "");
588 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
589 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0,
590 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: c660db7decf24c2d67bb3887cc3dcf78
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