1 /* $FreeBSD$ */
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 * 4. 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_ipstealth.h"
68 #include "opt_carp.h"
69 #include "opt_sctp.h"
70
71 #include <sys/param.h>
72 #include <sys/socket.h>
73 #include <sys/socketvar.h>
74 #include <sys/protosw.h>
75 #include <sys/kernel.h>
76 #include <sys/domain.h>
77 #include <sys/mbuf.h>
78 #include <sys/systm.h>
79 #include <sys/sysctl.h>
80
81 #include <net/if.h>
82 #include <net/radix.h>
83 #include <net/route.h>
84
85 #include <netinet/in.h>
86 #include <netinet/in_systm.h>
87 #include <netinet/in_var.h>
88 #include <netinet/ip_encap.h>
89 #include <netinet/ip.h>
90 #include <netinet/ip_var.h>
91 #include <netinet/ip6.h>
92 #include <netinet6/ip6_var.h>
93 #include <netinet/icmp6.h>
94
95 #include <netinet/tcp.h>
96 #include <netinet/tcp_timer.h>
97 #include <netinet/tcp_var.h>
98 #include <netinet/udp.h>
99 #include <netinet/udp_var.h>
100 #include <netinet6/tcp6_var.h>
101 #include <netinet6/raw_ip6.h>
102 #include <netinet6/udp6_var.h>
103 #include <netinet6/pim6_var.h>
104 #include <netinet6/nd6.h>
105
106 #ifdef DEV_CARP
107 #include <netinet/ip_carp.h>
108 #endif
109
110 #ifdef SCTP
111 #include <netinet/in_pcb.h>
112 #include <netinet/sctp_pcb.h>
113 #include <netinet/sctp.h>
114 #include <netinet/sctp_var.h>
115 #include <netinet6/sctp6_var.h>
116 #endif /* SCTP */
117
118 #ifdef IPSEC
119 #include <netipsec/ipsec.h>
120 #include <netipsec/ipsec6.h>
121 #endif /* IPSEC */
122
123 #include <netinet6/ip6protosw.h>
124
125 /*
126 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
127 */
128
129 extern struct domain inet6domain;
130 static struct pr_usrreqs nousrreqs;
131
132 #define PR_LISTEN 0
133 #define PR_ABRTACPTDIS 0
134
135 struct ip6protosw inet6sw[] = {
136 {
137 .pr_type = 0,
138 .pr_domain = &inet6domain,
139 .pr_protocol = IPPROTO_IPV6,
140 .pr_init = ip6_init,
141 .pr_slowtimo = frag6_slowtimo,
142 .pr_drain = frag6_drain,
143 .pr_usrreqs = &nousrreqs,
144 },
145 {
146 .pr_type = SOCK_DGRAM,
147 .pr_domain = &inet6domain,
148 .pr_protocol = IPPROTO_UDP,
149 .pr_flags = PR_ATOMIC|PR_ADDR,
150 .pr_input = udp6_input,
151 .pr_ctlinput = udp6_ctlinput,
152 .pr_ctloutput = ip6_ctloutput,
153 .pr_usrreqs = &udp6_usrreqs,
154 },
155 {
156 .pr_type = SOCK_STREAM,
157 .pr_domain = &inet6domain,
158 .pr_protocol = IPPROTO_TCP,
159 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
160 .pr_input = tcp6_input,
161 .pr_ctlinput = tcp6_ctlinput,
162 .pr_ctloutput = tcp_ctloutput,
163 #ifndef INET /* don't call initialization and timeout routines twice */
164 .pr_init = tcp_init,
165 .pr_fasttimo = tcp_fasttimo,
166 .pr_slowtimo = tcp_slowtimo,
167 #endif
168 .pr_drain = tcp_drain,
169 .pr_usrreqs = &tcp6_usrreqs,
170 },
171 #ifdef SCTP
172 {
173 .pr_type = SOCK_DGRAM,
174 .pr_domain = &inet6domain,
175 .pr_protocol = IPPROTO_SCTP,
176 .pr_flags = PR_WANTRCVD,
177 .pr_input = sctp6_input,
178 .pr_ctlinput = sctp6_ctlinput,
179 .pr_ctloutput = sctp_ctloutput,
180 .pr_drain = sctp_drain,
181 .pr_usrreqs = &sctp6_usrreqs
182 },
183 {
184 .pr_type = SOCK_SEQPACKET,
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
193 },
194
195 {
196 .pr_type = SOCK_STREAM,
197 .pr_domain = &inet6domain,
198 .pr_protocol = IPPROTO_SCTP,
199 .pr_flags = PR_WANTRCVD,
200 .pr_input = sctp6_input,
201 .pr_ctlinput = sctp6_ctlinput,
202 .pr_ctloutput = sctp_ctloutput,
203 .pr_drain = sctp_drain,
204 .pr_usrreqs = &sctp6_usrreqs
205 },
206 #endif /* SCTP */
207 {
208 .pr_type = SOCK_RAW,
209 .pr_domain = &inet6domain,
210 .pr_protocol = IPPROTO_RAW,
211 .pr_flags = PR_ATOMIC|PR_ADDR,
212 .pr_input = rip6_input,
213 .pr_output = rip6_output,
214 .pr_ctlinput = rip6_ctlinput,
215 .pr_ctloutput = rip6_ctloutput,
216 .pr_usrreqs = &rip6_usrreqs
217 },
218 {
219 .pr_type = SOCK_RAW,
220 .pr_domain = &inet6domain,
221 .pr_protocol = IPPROTO_ICMPV6,
222 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
223 .pr_input = icmp6_input,
224 .pr_output = rip6_output,
225 .pr_ctlinput = rip6_ctlinput,
226 .pr_ctloutput = rip6_ctloutput,
227 .pr_init = icmp6_init,
228 .pr_fasttimo = icmp6_fasttimo,
229 .pr_usrreqs = &rip6_usrreqs
230 },
231 {
232 .pr_type = SOCK_RAW,
233 .pr_domain = &inet6domain,
234 .pr_protocol = IPPROTO_DSTOPTS,
235 .pr_flags = PR_ATOMIC|PR_ADDR,
236 .pr_input = dest6_input,
237 .pr_usrreqs = &nousrreqs
238 },
239 {
240 .pr_type = SOCK_RAW,
241 .pr_domain = &inet6domain,
242 .pr_protocol = IPPROTO_ROUTING,
243 .pr_flags = PR_ATOMIC|PR_ADDR,
244 .pr_input = route6_input,
245 .pr_usrreqs = &nousrreqs
246 },
247 {
248 .pr_type = SOCK_RAW,
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_FRAGMENT,
251 .pr_flags = PR_ATOMIC|PR_ADDR,
252 .pr_input = frag6_input,
253 .pr_usrreqs = &nousrreqs
254 },
255 #ifdef IPSEC
256 {
257 .pr_type = SOCK_RAW,
258 .pr_domain = &inet6domain,
259 .pr_protocol = IPPROTO_AH,
260 .pr_flags = PR_ATOMIC|PR_ADDR,
261 .pr_input = ipsec6_common_input,
262 .pr_usrreqs = &nousrreqs,
263 },
264 {
265 .pr_type = SOCK_RAW,
266 .pr_domain = &inet6domain,
267 .pr_protocol = IPPROTO_ESP,
268 .pr_flags = PR_ATOMIC|PR_ADDR,
269 .pr_input = ipsec6_common_input,
270 .pr_ctlinput = esp6_ctlinput,
271 .pr_usrreqs = &nousrreqs,
272 },
273 {
274 .pr_type = SOCK_RAW,
275 .pr_domain = &inet6domain,
276 .pr_protocol = IPPROTO_IPCOMP,
277 .pr_flags = PR_ATOMIC|PR_ADDR,
278 .pr_input = ipsec6_common_input,
279 .pr_usrreqs = &nousrreqs,
280 },
281 #endif /* IPSEC */
282 #ifdef INET
283 {
284 .pr_type = SOCK_RAW,
285 .pr_domain = &inet6domain,
286 .pr_protocol = IPPROTO_IPV4,
287 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
288 .pr_input = encap6_input,
289 .pr_output = rip6_output,
290 .pr_ctloutput = rip6_ctloutput,
291 .pr_init = encap_init,
292 .pr_usrreqs = &rip6_usrreqs
293 },
294 #endif /* INET */
295 {
296 .pr_type = SOCK_RAW,
297 .pr_domain = &inet6domain,
298 .pr_protocol = IPPROTO_IPV6,
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
305 },
306 {
307 .pr_type = SOCK_RAW,
308 .pr_domain = &inet6domain,
309 .pr_protocol = IPPROTO_PIM,
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_usrreqs = &rip6_usrreqs
315 },
316 #ifdef DEV_CARP
317 {
318 .pr_type = SOCK_RAW,
319 .pr_domain = &inet6domain,
320 .pr_protocol = IPPROTO_CARP,
321 .pr_flags = PR_ATOMIC|PR_ADDR,
322 .pr_input = carp6_input,
323 .pr_output = rip6_output,
324 .pr_ctloutput = rip6_ctloutput,
325 .pr_usrreqs = &rip6_usrreqs
326 },
327 #endif /* DEV_CARP */
328 /* raw wildcard */
329 {
330 .pr_type = SOCK_RAW,
331 .pr_domain = &inet6domain,
332 .pr_flags = PR_ATOMIC|PR_ADDR,
333 .pr_input = rip6_input,
334 .pr_output = rip6_output,
335 .pr_ctloutput = rip6_ctloutput,
336 .pr_usrreqs = &rip6_usrreqs
337 },
338 };
339
340 extern int in6_inithead __P((void **, int));
341
342 struct domain inet6domain = {
343 .dom_family = AF_INET6,
344 .dom_name = "internet6",
345 .dom_protosw = (struct protosw *)inet6sw,
346 .dom_protoswNPROTOSW = (struct protosw *)
347 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
348 .dom_rtattach = in6_inithead,
349 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
350 .dom_maxrtkey = sizeof(struct sockaddr_in6),
351 .dom_ifattach = in6_domifattach,
352 .dom_ifdetach = in6_domifdetach
353 };
354
355 DOMAIN_SET(inet6);
356
357 /*
358 * Internet configuration info
359 */
360 #ifndef IPV6FORWARDING
361 #ifdef GATEWAY6
362 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
363 #else
364 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
365 #endif /* GATEWAY6 */
366 #endif /* !IPV6FORWARDING */
367
368 #ifndef IPV6_SENDREDIRECTS
369 #define IPV6_SENDREDIRECTS 1
370 #endif
371
372 int ip6_forwarding = IPV6FORWARDING; /* act as router? */
373 int ip6_sendredirects = IPV6_SENDREDIRECTS;
374 int ip6_defhlim = IPV6_DEFHLIM;
375 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
376 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
377 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */
378 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */
379 int ip6_log_interval = 5;
380 int ip6_hdrnestlimit = 15; /* How many header options will we process? */
381 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
382 int ip6_auto_flowlabel = 1;
383 int ip6_gif_hlim = 0;
384 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
385 int ip6_rr_prune = 5; /* router renumbering prefix
386 * walk list every 5 sec. */
387 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */
388 int ip6_v6only = 1;
389
390 int ip6_keepfaith = 0;
391 time_t ip6_log_time = (time_t)0L;
392 #ifdef IPSTEALTH
393 int ip6stealth = 0;
394 #endif
395 int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */
396
397 /* icmp6 */
398 /*
399 * BSDI4 defines these variables in in_proto.c...
400 * XXX: what if we don't define INET? Should we define pmtu6_expire
401 * or so? (jinmei@kame.net 19990310)
402 */
403 int pmtu_expire = 60*10;
404 int pmtu_probe = 60*2;
405
406 /* raw IP6 parameters */
407 /*
408 * Nominal space allocated to a raw ip socket.
409 */
410 #define RIPV6SNDQ 8192
411 #define RIPV6RCVQ 8192
412
413 u_long rip6_sendspace = RIPV6SNDQ;
414 u_long rip6_recvspace = RIPV6RCVQ;
415
416 /* ICMPV6 parameters */
417 int icmp6_rediraccept = 1; /* accept and process redirects */
418 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
419 int icmp6errppslim = 100; /* 100pps */
420 /* control how to respond to NI queries */
421 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
422
423 /* UDP on IP6 parameters */
424 int udp6_sendspace = 9216; /* really max datagram size */
425 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
426 /* 40 1K datagrams */
427
428 /*
429 * sysctl related items.
430 */
431 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
432 "Internet6 Family");
433
434 /* net.inet6 */
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");
439 #ifdef SCTP
440 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
441 #endif
442 #ifdef IPSEC
443 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
444 #endif /* IPSEC */
445
446 /* net.inet6.ip6 */
447 static int
448 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
449 {
450 int error = 0;
451 int old;
452
453 error = SYSCTL_OUT(req, arg1, sizeof(int));
454 if (error || !req->newptr)
455 return (error);
456 old = ip6_temp_preferred_lifetime;
457 error = SYSCTL_IN(req, arg1, sizeof(int));
458 if (ip6_temp_preferred_lifetime <
459 ip6_desync_factor + ip6_temp_regen_advance) {
460 ip6_temp_preferred_lifetime = old;
461 return (EINVAL);
462 }
463 return (error);
464 }
465
466 static int
467 sysctl_ip6_tempvltime(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_valid_lifetime;
476 error = SYSCTL_IN(req, arg1, sizeof(int));
477 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
478 ip6_temp_preferred_lifetime = old;
479 return (EINVAL);
480 }
481 return (error);
482 }
483
484 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING,
485 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, "");
486 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS,
487 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, "");
488 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM,
489 hlim, CTLFLAG_RW, &ip6_defhlim, 0, "");
490 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
491 &ip6stat, ip6stat, "");
492 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS,
493 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, "");
494 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
495 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, "");
496 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH,
497 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, "");
498 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
499 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, "");
500 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT,
501 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, "");
502 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT,
503 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, "");
504 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL,
505 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, "");
506 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM,
507 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, "");
508 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM,
509 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, "");
510 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
511 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, "");
512 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED,
513 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, "");
514 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE,
515 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, "");
516 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR,
517 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, "");
518 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
519 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0,
520 sysctl_ip6_temppltime, "I", "");
521 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
522 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0,
523 sysctl_ip6_tempvltime, "I", "");
524 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY,
525 v6only, CTLFLAG_RW, &ip6_v6only, 0, "");
526 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal);
527 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL,
528 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, "");
529 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
530 &rip6stat, rip6stat, "");
531 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR,
532 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, "");
533 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE,
534 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,"");
535 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS,
536 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, "");
537 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU,
538 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, "");
539 #ifdef IPSTEALTH
540 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
541 &ip6stealth, 0, "");
542 #endif
543
544 /* net.inet6.icmp6 */
545 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT,
546 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, "");
547 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT,
548 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, "");
549 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
550 &icmp6stat, icmp6stat, "");
551 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE,
552 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, "");
553 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY,
554 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, "");
555 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES,
556 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, "");
557 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES,
558 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, "");
559 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK,
560 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, "");
561 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO,
562 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, "");
563 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
564 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, "");
565 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT,
566 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, "");
567 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG,
568 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, "");
569 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
570 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0,
571 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: 7c5f1481add08fe026d21d188c5d6adb
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