1 /* $FreeBSD: releng/6.3/sys/netinet6/in6_proto.c 183529 2008-10-02 00:32:59Z cperciva $ */
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
70 #include <sys/param.h>
71 #include <sys/socket.h>
72 #include <sys/socketvar.h>
73 #include <sys/protosw.h>
74 #include <sys/kernel.h>
75 #include <sys/domain.h>
76 #include <sys/mbuf.h>
77 #include <sys/systm.h>
78 #include <sys/sysctl.h>
79
80 #include <net/if.h>
81 #include <net/radix.h>
82 #include <net/route.h>
83
84 #include <netinet/in.h>
85 #include <netinet/in_systm.h>
86 #include <netinet/in_var.h>
87 #include <netinet/ip_encap.h>
88 #include <netinet/ip.h>
89 #include <netinet/ip_var.h>
90 #include <netinet/ip6.h>
91 #include <netinet6/ip6_var.h>
92 #include <netinet/icmp6.h>
93
94 #include <netinet/tcp.h>
95 #include <netinet/tcp_timer.h>
96 #include <netinet/tcp_var.h>
97 #include <netinet/udp.h>
98 #include <netinet/udp_var.h>
99 #include <netinet6/tcp6_var.h>
100 #include <netinet6/raw_ip6.h>
101 #include <netinet6/udp6_var.h>
102 #include <netinet6/pim6_var.h>
103 #include <netinet6/nd6.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 DEV_CARP
127 #include <netinet/ip_carp.h>
128 #endif
129
130 #ifdef FAST_IPSEC
131 #include <netipsec/ipsec6.h>
132 #define IPSEC
133 #define IPSEC_ESP
134 #define ah6_input ipsec6_common_input
135 #define esp6_input ipsec6_common_input
136 #define ipcomp6_input ipsec6_common_input
137 #endif /* FAST_IPSEC */
138
139 #include <netinet6/ip6protosw.h>
140
141 #include <net/net_osdep.h>
142
143 /*
144 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
145 */
146
147 extern struct domain inet6domain;
148 static struct pr_usrreqs nousrreqs;
149
150 #define PR_LISTEN 0
151 #define PR_ABRTACPTDIS 0
152
153 struct ip6protosw inet6sw[] = {
154 {
155 .pr_type = 0,
156 .pr_domain = &inet6domain,
157 .pr_protocol = IPPROTO_IPV6,
158 .pr_init = ip6_init,
159 .pr_slowtimo = frag6_slowtimo,
160 .pr_drain = frag6_drain,
161 .pr_usrreqs = &nousrreqs,
162 },
163 {
164 .pr_type = SOCK_DGRAM,
165 .pr_domain = &inet6domain,
166 .pr_protocol = IPPROTO_UDP,
167 .pr_flags = PR_ATOMIC|PR_ADDR,
168 .pr_input = udp6_input,
169 .pr_ctlinput = udp6_ctlinput,
170 .pr_ctloutput = ip6_ctloutput,
171 .pr_usrreqs = &udp6_usrreqs,
172 },
173 {
174 .pr_type = SOCK_STREAM,
175 .pr_domain = &inet6domain,
176 .pr_protocol = IPPROTO_TCP,
177 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
178 .pr_input = tcp6_input,
179 .pr_ctlinput = tcp6_ctlinput,
180 .pr_ctloutput = tcp_ctloutput,
181 #ifndef INET /* don't call initialization and timeout routines twice */
182 .pr_init = tcp_init,
183 .pr_fasttimo = tcp_fasttimo,
184 .pr_slowtimo = tcp_slowtimo,
185 #endif
186 .pr_drain = tcp_drain,
187 .pr_usrreqs = &tcp6_usrreqs,
188 },
189 {
190 .pr_type = SOCK_RAW,
191 .pr_domain = &inet6domain,
192 .pr_protocol = IPPROTO_RAW,
193 .pr_flags = PR_ATOMIC|PR_ADDR,
194 .pr_input = rip6_input,
195 .pr_output = rip6_output,
196 .pr_ctlinput = rip6_ctlinput,
197 .pr_ctloutput = rip6_ctloutput,
198 .pr_usrreqs = &rip6_usrreqs
199 },
200 {
201 .pr_type = SOCK_RAW,
202 .pr_domain = &inet6domain,
203 .pr_protocol = IPPROTO_ICMPV6,
204 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
205 .pr_input = icmp6_input,
206 .pr_output = rip6_output,
207 .pr_ctlinput = rip6_ctlinput,
208 .pr_ctloutput = rip6_ctloutput,
209 .pr_init = icmp6_init,
210 .pr_fasttimo = icmp6_fasttimo,
211 .pr_usrreqs = &rip6_usrreqs
212 },
213 {
214 .pr_type = SOCK_RAW,
215 .pr_domain = &inet6domain,
216 .pr_protocol = IPPROTO_DSTOPTS,
217 .pr_flags = PR_ATOMIC|PR_ADDR,
218 .pr_input = dest6_input,
219 .pr_usrreqs = &nousrreqs
220 },
221 {
222 .pr_type = SOCK_RAW,
223 .pr_domain = &inet6domain,
224 .pr_protocol = IPPROTO_ROUTING,
225 .pr_flags = PR_ATOMIC|PR_ADDR,
226 .pr_input = route6_input,
227 .pr_usrreqs = &nousrreqs
228 },
229 {
230 .pr_type = SOCK_RAW,
231 .pr_domain = &inet6domain,
232 .pr_protocol = IPPROTO_FRAGMENT,
233 .pr_flags = PR_ATOMIC|PR_ADDR,
234 .pr_input = frag6_input,
235 .pr_usrreqs = &nousrreqs
236 },
237 #ifdef IPSEC
238 {
239 .pr_type = SOCK_RAW,
240 .pr_domain = &inet6domain,
241 .pr_protocol = IPPROTO_AH,
242 .pr_flags = PR_ATOMIC|PR_ADDR,
243 .pr_input = ah6_input,
244 .pr_usrreqs = &nousrreqs,
245 },
246 #ifdef IPSEC_ESP
247 {
248 .pr_type = SOCK_RAW,
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_ESP,
251 .pr_flags = PR_ATOMIC|PR_ADDR,
252 .pr_input = esp6_input,
253 .pr_ctlinput = esp6_ctlinput,
254 .pr_usrreqs = &nousrreqs,
255 },
256 #endif
257 {
258 .pr_type = SOCK_RAW,
259 .pr_domain = &inet6domain,
260 .pr_protocol = IPPROTO_IPCOMP,
261 .pr_flags = PR_ATOMIC|PR_ADDR,
262 .pr_input = ipcomp6_input,
263 .pr_usrreqs = &nousrreqs,
264 },
265 #endif /* IPSEC */
266 #ifdef INET
267 {
268 .pr_type = SOCK_RAW,
269 .pr_domain = &inet6domain,
270 .pr_protocol = IPPROTO_IPV4,
271 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
272 .pr_input = encap6_input,
273 .pr_output = rip6_output,
274 .pr_ctloutput = rip6_ctloutput,
275 .pr_init = encap_init,
276 .pr_usrreqs = &rip6_usrreqs
277 },
278 #endif /* INET */
279 {
280 .pr_type = SOCK_RAW,
281 .pr_domain = &inet6domain,
282 .pr_protocol = IPPROTO_IPV6,
283 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
284 .pr_input = encap6_input,
285 .pr_output = rip6_output,
286 .pr_ctloutput = rip6_ctloutput,
287 .pr_init = encap_init,
288 .pr_usrreqs = &rip6_usrreqs
289 },
290 {
291 .pr_type = SOCK_RAW,
292 .pr_domain = &inet6domain,
293 .pr_protocol = IPPROTO_PIM,
294 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
295 .pr_input = pim6_input,
296 .pr_output = rip6_output,
297 .pr_ctloutput = rip6_ctloutput,
298 .pr_usrreqs = &rip6_usrreqs
299 },
300 #ifdef DEV_CARP
301 {
302 .pr_type = SOCK_RAW,
303 .pr_domain = &inet6domain,
304 .pr_protocol = IPPROTO_CARP,
305 .pr_flags = PR_ATOMIC|PR_ADDR,
306 .pr_input = carp6_input,
307 .pr_output = rip6_output,
308 .pr_ctloutput = rip6_ctloutput,
309 .pr_usrreqs = &rip6_usrreqs
310 },
311 #endif /* DEV_CARP */
312 /* raw wildcard */
313 {
314 .pr_type = SOCK_RAW,
315 .pr_domain = &inet6domain,
316 .pr_flags = PR_ATOMIC|PR_ADDR,
317 .pr_input = rip6_input,
318 .pr_output = rip6_output,
319 .pr_ctloutput = rip6_ctloutput,
320 .pr_usrreqs = &rip6_usrreqs
321 },
322 };
323
324 extern int in6_inithead __P((void **, int));
325
326 struct domain inet6domain = {
327 .dom_family = AF_INET6,
328 .dom_name = "internet6",
329 .dom_protosw = (struct protosw *)inet6sw,
330 .dom_protoswNPROTOSW = (struct protosw *)
331 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
332 .dom_rtattach = in6_inithead,
333 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
334 .dom_maxrtkey = sizeof(struct sockaddr_in6),
335 .dom_ifattach = in6_domifattach,
336 .dom_ifdetach = in6_domifdetach
337 };
338
339 DOMAIN_SET(inet6);
340
341 /*
342 * Internet configuration info
343 */
344 #ifndef IPV6FORWARDING
345 #ifdef GATEWAY6
346 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
347 #else
348 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
349 #endif /* GATEWAY6 */
350 #endif /* !IPV6FORWARDING */
351
352 #ifndef IPV6_SENDREDIRECTS
353 #define IPV6_SENDREDIRECTS 1
354 #endif
355 int nd6_onlink_ns_rfc4861 = 0; /* allow 'on-link' nd6 NS (as in RFC 4861) */
356
357 int ip6_forwarding = IPV6FORWARDING; /* act as router? */
358 int ip6_sendredirects = IPV6_SENDREDIRECTS;
359 int ip6_defhlim = IPV6_DEFHLIM;
360 int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
361 int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
362 int ip6_maxfragpackets; /* initialized in frag6.c:frag6_init() */
363 int ip6_maxfrags; /* initialized in frag6.c:frag6_init() */
364 int ip6_log_interval = 5;
365 int ip6_hdrnestlimit = 15; /* How many header options will we process? */
366 int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
367 int ip6_auto_flowlabel = 1;
368 int ip6_gif_hlim = 0;
369 int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
370 int ip6_rr_prune = 5; /* router renumbering prefix
371 * walk list every 5 sec. */
372 int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */
373 int ip6_v6only = 1;
374
375 int ip6_keepfaith = 0;
376 time_t ip6_log_time = (time_t)0L;
377 #ifdef IPSTEALTH
378 int ip6stealth = 0;
379 #endif
380 int ip6_rthdr0_allowed = 0; /* Disallow use of routing header 0 */
381 /* by default. */
382
383 /* icmp6 */
384 /*
385 * BSDI4 defines these variables in in_proto.c...
386 * XXX: what if we don't define INET? Should we define pmtu6_expire
387 * or so? (jinmei@kame.net 19990310)
388 */
389 int pmtu_expire = 60*10;
390 int pmtu_probe = 60*2;
391
392 /* raw IP6 parameters */
393 /*
394 * Nominal space allocated to a raw ip socket.
395 */
396 #define RIPV6SNDQ 8192
397 #define RIPV6RCVQ 8192
398
399 u_long rip6_sendspace = RIPV6SNDQ;
400 u_long rip6_recvspace = RIPV6RCVQ;
401
402 /* ICMPV6 parameters */
403 int icmp6_rediraccept = 1; /* accept and process redirects */
404 int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
405 int icmp6errppslim = 100; /* 100pps */
406 /* control how to respond to NI queries */
407 int icmp6_nodeinfo = (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
408
409 /* UDP on IP6 parameters */
410 int udp6_sendspace = 9216; /* really max datagram size */
411 int udp6_recvspace = 40 * (1024 + sizeof(struct sockaddr_in6));
412 /* 40 1K datagrams */
413
414 /*
415 * sysctl related items.
416 */
417 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
418 "Internet6 Family");
419
420 /* net.inet6 */
421 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
422 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
423 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
424 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
425 #ifdef IPSEC
426 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
427 #endif /* IPSEC */
428
429 /* net.inet6.ip6 */
430 static int
431 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
432 {
433 int error = 0;
434 int old;
435
436 error = SYSCTL_OUT(req, arg1, sizeof(int));
437 if (error || !req->newptr)
438 return (error);
439 old = ip6_temp_preferred_lifetime;
440 error = SYSCTL_IN(req, arg1, sizeof(int));
441 if (ip6_temp_preferred_lifetime <
442 ip6_desync_factor + ip6_temp_regen_advance) {
443 ip6_temp_preferred_lifetime = old;
444 return (EINVAL);
445 }
446 return (error);
447 }
448
449 static int
450 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
451 {
452 int error = 0;
453 int old;
454
455 error = SYSCTL_OUT(req, arg1, sizeof(int));
456 if (error || !req->newptr)
457 return (error);
458 old = ip6_temp_valid_lifetime;
459 error = SYSCTL_IN(req, arg1, sizeof(int));
460 if (ip6_temp_valid_lifetime < ip6_temp_preferred_lifetime) {
461 ip6_temp_preferred_lifetime = old;
462 return (EINVAL);
463 }
464 return (error);
465 }
466
467 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_FORWARDING,
468 forwarding, CTLFLAG_RW, &ip6_forwarding, 0, "");
469 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS,
470 redirect, CTLFLAG_RW, &ip6_sendredirects, 0, "");
471 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM,
472 hlim, CTLFLAG_RW, &ip6_defhlim, 0, "");
473 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
474 &ip6stat, ip6stat, "");
475 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS,
476 maxfragpackets, CTLFLAG_RW, &ip6_maxfragpackets, 0, "");
477 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
478 accept_rtadv, CTLFLAG_RW, &ip6_accept_rtadv, 0, "");
479 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH,
480 keepfaith, CTLFLAG_RW, &ip6_keepfaith, 0, "");
481 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
482 log_interval, CTLFLAG_RW, &ip6_log_interval, 0, "");
483 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT,
484 hdrnestlimit, CTLFLAG_RW, &ip6_hdrnestlimit, 0, "");
485 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT,
486 dad_count, CTLFLAG_RW, &ip6_dad_count, 0, "");
487 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL,
488 auto_flowlabel, CTLFLAG_RW, &ip6_auto_flowlabel, 0, "");
489 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM,
490 defmcasthlim, CTLFLAG_RW, &ip6_defmcasthlim, 0, "");
491 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_GIF_HLIM,
492 gifhlim, CTLFLAG_RW, &ip6_gif_hlim, 0, "");
493 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
494 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, "");
495 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED,
496 use_deprecated, CTLFLAG_RW, &ip6_use_deprecated, 0, "");
497 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE,
498 rr_prune, CTLFLAG_RW, &ip6_rr_prune, 0, "");
499 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR,
500 use_tempaddr, CTLFLAG_RW, &ip6_use_tempaddr, 0, "");
501 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
502 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_preferred_lifetime, 0,
503 sysctl_ip6_temppltime, "I", "");
504 SYSCTL_OID(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
505 CTLTYPE_INT|CTLFLAG_RW, &ip6_temp_valid_lifetime, 0,
506 sysctl_ip6_tempvltime, "I", "");
507 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_V6ONLY,
508 v6only, CTLFLAG_RW, &ip6_v6only, 0, "");
509 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal);
510 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL,
511 auto_linklocal, CTLFLAG_RW, &ip6_auto_linklocal, 0, "");
512 SYSCTL_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
513 &rip6stat, rip6stat, "");
514 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR,
515 prefer_tempaddr, CTLFLAG_RW, &ip6_prefer_tempaddr, 0, "");
516 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE,
517 use_defaultzone, CTLFLAG_RW, &ip6_use_defzone, 0,"");
518 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS,
519 maxfrags, CTLFLAG_RW, &ip6_maxfrags, 0, "");
520 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU,
521 mcast_pmtu, CTLFLAG_RW, &ip6_mcast_pmtu, 0, "");
522 #ifdef IPSTEALTH
523 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
524 &ip6stealth, 0, "");
525 #endif
526 SYSCTL_INT(_net_inet6_ip6, IPV6CTL_RTHDR0_ALLOWED,
527 rthdr0_allowed, CTLFLAG_RW, &ip6_rthdr0_allowed, 0, "");
528
529
530 /* net.inet6.icmp6 */
531 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT,
532 rediraccept, CTLFLAG_RW, &icmp6_rediraccept, 0, "");
533 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT,
534 redirtimeout, CTLFLAG_RW, &icmp6_redirtimeout, 0, "");
535 SYSCTL_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
536 &icmp6stat, icmp6stat, "");
537 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE,
538 nd6_prune, CTLFLAG_RW, &nd6_prune, 0, "");
539 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY,
540 nd6_delay, CTLFLAG_RW, &nd6_delay, 0, "");
541 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES,
542 nd6_umaxtries, CTLFLAG_RW, &nd6_umaxtries, 0, "");
543 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES,
544 nd6_mmaxtries, CTLFLAG_RW, &nd6_mmaxtries, 0, "");
545 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK,
546 nd6_useloopback, CTLFLAG_RW, &nd6_useloopback, 0, "");
547 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO,
548 nodeinfo, CTLFLAG_RW, &icmp6_nodeinfo, 0, "");
549 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
550 errppslimit, CTLFLAG_RW, &icmp6errppslim, 0, "");
551 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT,
552 nd6_maxnudhint, CTLFLAG_RW, &nd6_maxnudhint, 0, "");
553 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG,
554 nd6_debug, CTLFLAG_RW, &nd6_debug, 0, "");
555 SYSCTL_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
556 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &nd6_onlink_ns_rfc4861, 0,
557 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: 73ba7997e90fdec4db7e748cee184596
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