1 /* $FreeBSD: src/sys/netinet6/in6_proto.c,v 1.6.2.9 2003/01/24 05:11:35 sam Exp $ */
2 /* $KAME: in6_proto.c,v 1.91 2001/05/27 13:28:35 itojun Exp $ */
3
4 /*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1982, 1986, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
62 */
63
64 #include "opt_inet.h"
65 #include "opt_inet6.h"
66 #include "opt_ipsec.h"
67 #include "opt_carp.h"
68
69 #include <sys/param.h>
70 #include <sys/socket.h>
71 #include <sys/socketvar.h>
72 #include <sys/protosw.h>
73 #include <sys/kernel.h>
74 #include <sys/domain.h>
75 #include <sys/mbuf.h>
76 #include <sys/systm.h>
77 #include <sys/sysctl.h>
78
79 #include <net/if.h>
80 #include <net/radix.h>
81 #include <net/route.h>
82
83 #include <netinet/in.h>
84 #include <netinet/in_systm.h>
85 #include <netinet/in_var.h>
86 #include <netinet/ip_encap.h>
87 #include <netinet/ip.h>
88 #include <netinet/ip_var.h>
89 #include <netinet/ip6.h>
90 #include <netinet6/ip6_var.h>
91 #include <netinet/icmp6.h>
92
93 #include <netinet/tcp.h>
94 #include <netinet/tcp_timer.h>
95 #include <netinet/tcp_var.h>
96 #include <netinet/udp.h>
97 #include <netinet/udp_var.h>
98 #include <netinet6/tcp6_var.h>
99 #include <netinet6/raw_ip6.h>
100 #include <netinet6/udp6_var.h>
101 #include <netinet6/pim6_var.h>
102 #include <netinet6/nd6.h>
103 #include <netinet6/in6_prefix.h>
104
105 #ifdef IPSEC
106 #include <netinet6/ipsec.h>
107 #ifdef INET6
108 #include <netinet6/ipsec6.h>
109 #endif
110 #include <netinet6/ah.h>
111 #ifdef INET6
112 #include <netinet6/ah6.h>
113 #endif
114 #ifdef IPSEC_ESP
115 #include <netinet6/esp.h>
116 #ifdef INET6
117 #include <netinet6/esp6.h>
118 #endif
119 #endif
120 #include <netinet6/ipcomp.h>
121 #ifdef INET6
122 #include <netinet6/ipcomp6.h>
123 #endif
124 #endif /* IPSEC */
125
126 #ifdef FAST_IPSEC
127 #include <netproto/ipsec/ipsec6.h>
128 #define IPSEC
129 #define IPSEC_ESP
130 #define ah6_input ipsec6_common_input
131 #define esp6_input ipsec6_common_input
132 #define ipcomp6_input ipsec6_common_input
133 #endif /* FAST_IPSEC */
134
135 #include <netinet6/ip6protosw.h>
136
137 #include <net/net_osdep.h>
138
139 #ifdef CARP
140 #include <netinet/ip_carp.h>
141 #endif
142
143
144 /*
145 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
146 */
147
148 extern struct domain inet6domain;
149 static struct pr_usrreqs nousrreqs;
150
151 #define PR_LISTEN 0
152 #define PR_ABRTACPTDIS 0
153
154 struct protosw inet6sw[] = {
155 {
156 .pr_type = 0,
157 .pr_domain = &inet6domain,
158 .pr_protocol = IPPROTO_IPV6,
159 .pr_flags = 0,
160
161 .pr_init = ip6_init,
162 .pr_fasttimo = NULL,
163 .pr_slowtimo = frag6_slowtimo,
164 .pr_drain = frag6_drain,
165 .pr_usrreqs = &nousrreqs
166 },
167 {
168 .pr_type = SOCK_DGRAM,
169 .pr_domain = &inet6domain,
170 .pr_protocol = IPPROTO_UDP,
171 .pr_flags = PR_ATOMIC | PR_ADDR | PR_MPSAFE | PR_LASTHDR,
172
173 .pr_input = udp6_input,
174 .pr_output = 0,
175 .pr_ctlinput = udp6_ctlinput,
176 .pr_ctloutput = ip6_ctloutput_dispatch,
177
178 .pr_ctlport = cpu0_ctlport,
179 .pr_usrreqs = &udp6_usrreqs
180 },
181 {
182 .pr_type = SOCK_STREAM,
183 .pr_domain = &inet6domain,
184 .pr_protocol = IPPROTO_TCP,
185 .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD | PR_LISTEN |
186 PR_MPSAFE | PR_LASTHDR | PR_ASYNC_SEND | PR_ASYNC_RCVD,
187
188 .pr_input = tcp6_input,
189 .pr_output = NULL,
190 .pr_ctlinput = tcp6_ctlinput,
191 .pr_ctloutput = tcp_ctloutput,
192
193 .pr_ctlport = cpu0_ctlport,
194 #ifndef INET
195 /* don't call initialization and timeout routines twice */
196 .pr_init = tcp_init,
197 .pr_slowtimo = NULL,
198 #endif
199 .pr_drain = tcp_drain,
200 .pr_usrreqs = &tcp6_usrreqs
201 },
202 {
203 .pr_type = SOCK_RAW,
204 .pr_domain = &inet6domain,
205 .pr_protocol = IPPROTO_RAW,
206 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
207
208 .pr_input = rip6_input,
209 .pr_output = rip6_output,
210 .pr_ctlinput = rip6_ctlinput,
211 .pr_ctloutput = rip6_ctloutput,
212
213 .pr_ctlport = cpu0_ctlport,
214 .pr_usrreqs = &rip6_usrreqs
215 },
216 {
217 .pr_type = SOCK_RAW,
218 .pr_domain = &inet6domain,
219 .pr_protocol = IPPROTO_ICMPV6,
220 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
221
222 .pr_input = icmp6_input,
223 .pr_output = rip6_output,
224 .pr_ctlinput = rip6_ctlinput,
225 .pr_ctloutput = rip6_ctloutput,
226
227 .pr_ctlport = cpu0_ctlport,
228 .pr_init = icmp6_init,
229 .pr_fasttimo = icmp6_fasttimo,
230 .pr_slowtimo = NULL,
231 .pr_drain = NULL,
232
233 .pr_usrreqs = &rip6_usrreqs
234 },
235 {
236 .pr_type = SOCK_RAW,
237 .pr_domain = &inet6domain,
238 .pr_protocol = IPPROTO_DSTOPTS, PR_ATOMIC|PR_ADDR,
239
240 .pr_input = dest6_input,
241 .pr_output = NULL,
242 .pr_ctlinput = NULL,
243 .pr_ctloutput = NULL,
244
245 .pr_usrreqs = &nousrreqs
246 },
247 {
248 .pr_type = SOCK_RAW,
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_ROUTING, PR_ATOMIC|PR_ADDR,
251
252 .pr_input = route6_input,
253 .pr_output = NULL,
254 .pr_ctlinput = NULL,
255 .pr_ctloutput = NULL,
256
257 .pr_usrreqs = &nousrreqs
258 },
259 {
260 .pr_type = SOCK_RAW,
261 .pr_domain = &inet6domain,
262 .pr_protocol = IPPROTO_FRAGMENT, PR_ATOMIC|PR_ADDR,
263
264 .pr_input = frag6_input,
265 .pr_output = NULL,
266 .pr_ctlinput = NULL,
267 .pr_ctloutput = NULL,
268
269 .pr_usrreqs = &nousrreqs
270 },
271 #ifdef IPSEC
272 {
273 .pr_type = SOCK_RAW,
274 .pr_domain = &inet6domain,
275 .pr_protocol = IPPROTO_AH,
276 .pr_flags = PR_ATOMIC|PR_ADDR,
277
278 .pr_input = ah6_input,
279 .pr_output = NULL,
280 .pr_ctlinput = NULL,
281 .pr_ctloutput = NULL,
282
283 .pr_usrreqs = &nousrreqs
284 },
285 #ifdef IPSEC_ESP
286 {
287 .pr_type = SOCK_RAW,
288 .pr_domain = &inet6domain,
289 .pr_protocol = IPPROTO_ESP,
290 .pr_flags = PR_ATOMIC|PR_ADDR,
291
292 .pr_input = esp6_input,
293 .pr_output = NULL,
294 .pr_ctlinput = esp6_ctlinput,
295 .pr_ctloutput = NULL,
296
297 .pr_usrreqs = &nousrreqs
298 },
299 #endif
300 {
301 .pr_type = SOCK_RAW,
302 .pr_domain = &inet6domain,
303 .pr_protocol = IPPROTO_IPCOMP,
304 .pr_flags = PR_ATOMIC|PR_ADDR,
305
306 .pr_input = ipcomp6_input,
307 .pr_output = NULL,
308 .pr_ctlinput = NULL,
309 .pr_ctloutput = NULL,
310
311 .pr_usrreqs = &nousrreqs
312 },
313 #endif /* IPSEC */
314 #ifdef INET
315 {
316 .pr_type = SOCK_RAW,
317 .pr_domain = &inet6domain,
318 .pr_protocol = IPPROTO_IPV4,
319 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
320
321 .pr_input = encap6_input,
322 .pr_output = rip6_output,
323 .pr_ctlinput = NULL,
324 .pr_ctloutput = rip6_ctloutput,
325
326 .pr_init = encap_init,
327 .pr_usrreqs = &rip6_usrreqs
328 },
329 #endif /* INET */
330 {
331 .pr_type = SOCK_RAW,
332 .pr_domain = &inet6domain,
333 .pr_protocol = IPPROTO_IPV6,
334 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
335
336 .pr_input = encap6_input,
337 .pr_output = rip6_output,
338 .pr_ctlinput = NULL,
339 .pr_ctloutput = rip6_ctloutput,
340
341 .pr_init = encap_init,
342 .pr_usrreqs = &rip6_usrreqs
343 },
344 {
345 .pr_type = SOCK_RAW,
346 .pr_domain = &inet6domain,
347 .pr_protocol = IPPROTO_PIM,
348 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
349
350 .pr_input = pim6_input,
351 .pr_output = rip6_output,
352 .pr_ctlinput = NULL,
353 .pr_ctloutput = rip6_ctloutput,
354
355 .pr_usrreqs = &rip6_usrreqs
356 },
357 #ifdef CARP
358 {
359 .pr_type = SOCK_RAW,
360 .pr_domain = &inet6domain,
361 .pr_protocol = IPPROTO_CARP,
362 .pr_flags = PR_ATOMIC|PR_ADDR,
363
364 .pr_input = carp6_proto_input,
365 .pr_output = rip6_output,
366 .pr_ctlinput = NULL,
367 .pr_ctloutput = rip6_ctloutput,
368
369 .pr_usrreqs = &rip6_usrreqs
370 },
371 #endif /* CARP */
372
373 /* raw wildcard */
374 {
375 .pr_type = SOCK_RAW,
376 .pr_domain = &inet6domain,
377 .pr_protocol = 0,
378 .pr_flags = PR_ATOMIC|PR_ADDR,
379
380 .pr_input = rip6_input,
381 .pr_output = rip6_output,
382 .pr_ctlinput = NULL,
383 .pr_ctloutput = rip6_ctloutput,
384
385 .pr_usrreqs = &rip6_usrreqs
386 },
387 };
388
389 extern int in6_inithead (void **, int);
390
391 struct domain inet6domain = {
392 AF_INET6, "internet6", NULL, NULL, NULL,
393 (struct protosw *)inet6sw,
394 &inet6sw[NELEM(inet6sw)],
395 SLIST_ENTRY_INITIALIZER,
396 in6_inithead, offsetof(struct sockaddr_in6, sin6_addr) << 3,
397 sizeof(struct sockaddr_in6), in6_domifattach, in6_domifdetach
398 };
399
400 DOMAIN_SET(inet6);
401
402 /*
403 * Internet configuration info
404 */
405 #ifndef IPV6FORWARDING
406 #ifdef GATEWAY6
407 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
408 #else
409 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
410 #endif /* GATEWAY6 */
411 #endif /* !IPV6FORWARDING */
412
413 #ifndef IPV6_SENDREDIRECTS
414 #define IPV6_SENDREDIRECTS 1
415 #endif
416
417 int ip6_forwarding = IPV6FORWARDING; /* act as router? */
418 int ip6_sendredirects = IPV6_SENDREDIRECTS;
419 int ip6_defhlim = IPV6_DEFHLIM;
420 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
421 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
422 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */
423 int ip6_log_interval = 5;
424 int ip6_hdrnestlimit = 50; /* appropriate? */
425 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
426 u_int32_t ip6_flow_seq;
427 int ip6_auto_flowlabel = 1;
428 int ip6_gif_hlim = 0;
429 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
430 int ip6_rr_prune = 5; /* router renumbering prefix
431 * walk list every 5 sec. */
432 int ip6_v6only = 1;
433
434 u_int32_t ip6_id = 0UL;
435 int ip6_keepfaith = 0;
436 time_t ip6_log_time = (time_t)0L;
437
438 /* icmp6 */
439 /*
440 * BSDI4 defines these variables in in_proto.c...
441 * XXX: what if we don't define INET? Should we define pmtu6_expire
442 * or so? (jinmei@kame.net 19990310)
443 */
444 int pmtu_expire = 60*10;
445 int pmtu_probe = 60*2;
446
447 /* raw IP6 parameters */
448 /*
449 * Nominal space allocated to a raw ip socket.
450 */
451 #define RIPV6SNDQ 8192
452 #define RIPV6RCVQ 8192
453
454 u_long rip6_sendspace = RIPV6SNDQ;
455 u_long rip6_recvspace = RIPV6RCVQ;
456
457 /* ICMPV6 parameters */
458 int icmp6_rediraccept = 1; /* accept and process redirects */
459 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
460 int icmp6errppslim = 100; /* 100pps */
461 int icmp6_nodeinfo = 3; /* enable/disable NI response */
462
463 /* UDP on IP6 parameters */
464 int udp6_sendspace = 9216; /* really max datagram size */
465 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
466 /* 40 1K datagrams */
467
468 /*
469 * sysctl related items.
470 */
471 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
472 "Internet6 Family");
473
474 /* net.inet6 */
475 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
476 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
477 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
478 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
479 #ifdef IPSEC
480 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
481 #endif /* IPSEC */
482
483 /* net.inet6.ip6 */
484 static int
485 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
486 {
487 int error = 0;
488 int old;
489
490 error = SYSCTL_OUT(req, arg1, sizeof(int));
491 if (error || !req->newptr)
492 return (error);
493 old = ip6_temp_preferred_lifetime;
494 error = SYSCTL_IN(req, arg1, sizeof(int));
495 if (ip6_temp_preferred_lifetime <
496 ip6_desync_factor + ip6_temp_regen_advance) {
497 ip6_temp_preferred_lifetime = old;
498 return (EINVAL);
499 }
500 return (error);
501 }
502
503 static int
504 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
505 {
506 int error = 0;
507 int old;
508
509 error = SYSCTL_OUT(req, arg1, sizeof(int));
510 if (error || !req->newptr)
511 return (error);
512 old = ip6_temp_valid_lifetime;
513 error = SYSCTL_IN(req, arg1, sizeof(int));
514 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
515 ip6_temp_preferred_lifetime = old;
516 return (EINVAL);
517 }
518 return (error);
519 }
520
521 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
522 &ip6_forwarding, 0, "Enable IP forwarding between interfaces");
523 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
524 &ip6_sendredirects, 0, "Enable sending IP redirects");
525 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM,
526 hlim, CTLFLAG_RW, &ip6_defhlim, 0, "Default hop limit");
527 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
528 &ip6stat, ip6stat, "IP stats");
529 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
530 CTLFLAG_RW, &ip6_maxfragpackets, 0, "Maximum packets in reassembly queue");
531 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
532 CTLFLAG_RW, &ip6_accept_rtadv, 0, "Acts as a host not a router");
533 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH,
534 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0,
535 "Enable packet capture for FAITH IPv4->IPv6 translator daemon");
536 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
537 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, "");
538 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit, CTLFLAG_RW,
539 &ip6_hdrnestlimit, 0, "Upper limit of # of extension headers");
540 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
541 &ip6_dad_count, 0, "Number of times to perform duplicate address detectione");
542 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel, CTLFLAG_RW,
543 &ip6_auto_flowlabel, 0, "Enable attaching flowlabel automatically");
544 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim, CTLFLAG_RW,
545 &ip6_defmcasthlim, 0, "Default multicast hop limit");
546 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM, gifhlim, CTLFLAG_RW,
547 &ip6_gif_hlim, 0, "Hop limit for gif encap packet");
548 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
549 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, "Kame version");
550 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated, CTLFLAG_RW,
551 &ip6_use_deprecated, 0, "Allow deprecated addr as source");
552 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE,
553 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0,
554 "Walk timer for router renumbering");
555 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr, CTLFLAG_RW,
556 &ip6_use_tempaddr, 0, "Whether to use temporary addresses");
557 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
558 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0,
559 sysctl_ip6_temppltime, "I",
560 "Preferred lifetime for tmpaddrs");
561 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
562 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0,
563 sysctl_ip6_tempvltime, "I",
564 "Valid lifetime for tmpaddrs");
565 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
566 &ip6_v6only, 0,"Forbid v4, restrict AF_INET6 socket for v6");
567 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal, CTLFLAG_RW,
568 &ip6_auto_linklocal, 0, "Enable auto-assigning a link-local address");
569 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
570 &rip6stat, rip6stat, "Raw stats");
571
572 /* net.inet6.icmp6 */
573 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept, CTLFLAG_RW,
574 &icmp6_rediraccept, 0, "If enabled, accept and process redirects");
575 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout, CTLFLAG_RW,
576 &icmp6_redirtimeout, 0, "Cache time for redirect routes");
577 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
578 &icmp6stat, icmp6stat, "Stats");
579 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
580 &nd6_prune, 0, "Prune interval");
581 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
582 &nd6_delay, 0, "Reachability timeout for stale neighbors");
583 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries, CTLFLAG_RW,
584 &nd6_umaxtries, 0, "Maximum unicast query");
585 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries, CTLFLAG_RW,
586 &nd6_mmaxtries, 0, "Maximum multicast query");
587 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback, CTLFLAG_RW,
588 &nd6_useloopback, 0, "Use loopback interface for local traffic");
589 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO,
590 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, "Enable/disable NI response");
591 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
592 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0,
593 "ICMPv6 error maximum packet-per-second value (default: 100pps)");
594 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint, CTLFLAG_RW,
595 &nd6_maxnudhint, 0, "Max # of subsequent upper layer hints");
596 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
597 &nd6_debug, 0, "Enable debug output");
Cache object: c906800cc47f3df3de65f6e406d68cb3
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