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: src/sys/netinet6/in6_proto.c,v 1.55 2008/12/02 21:37:28 bz Exp $");
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 #include "opt_mpath.h"
73
74 #include <sys/param.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 #include <sys/protosw.h>
78 #include <sys/kernel.h>
79 #include <sys/domain.h>
80 #include <sys/mbuf.h>
81 #include <sys/systm.h>
82 #include <sys/sysctl.h>
83 #include <sys/vimage.h>
84
85 #include <net/if.h>
86 #include <net/radix.h>
87 #include <net/route.h>
88 #ifdef RADIX_MPATH
89 #include <net/radix_mpath.h>
90 #endif
91
92 #include <netinet/in.h>
93 #include <netinet/in_systm.h>
94 #include <netinet/in_var.h>
95 #include <netinet/ip_encap.h>
96 #include <netinet/ip.h>
97 #include <netinet/ip_var.h>
98 #include <netinet/ip6.h>
99 #include <netinet6/ip6_var.h>
100 #include <netinet/icmp6.h>
101
102 #include <netinet/tcp.h>
103 #include <netinet/tcp_timer.h>
104 #include <netinet/tcp_var.h>
105 #include <netinet/udp.h>
106 #include <netinet/udp_var.h>
107 #include <netinet6/tcp6_var.h>
108 #include <netinet6/raw_ip6.h>
109 #include <netinet6/udp6_var.h>
110 #include <netinet6/pim6_var.h>
111 #include <netinet6/nd6.h>
112
113 #ifdef DEV_CARP
114 #include <netinet/ip_carp.h>
115 #endif
116
117 #ifdef SCTP
118 #include <netinet/in_pcb.h>
119 #include <netinet/sctp_pcb.h>
120 #include <netinet/sctp.h>
121 #include <netinet/sctp_var.h>
122 #include <netinet6/sctp6_var.h>
123 #endif /* SCTP */
124
125 #ifdef IPSEC
126 #include <netipsec/ipsec.h>
127 #include <netipsec/ipsec6.h>
128 #endif /* IPSEC */
129
130 #include <netinet6/ip6protosw.h>
131 #include <netinet6/vinet6.h>
132
133 /*
134 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
135 */
136
137 extern struct domain inet6domain;
138 static struct pr_usrreqs nousrreqs;
139
140 #define PR_LISTEN 0
141 #define PR_ABRTACPTDIS 0
142
143 struct ip6protosw inet6sw[] = {
144 {
145 .pr_type = 0,
146 .pr_domain = &inet6domain,
147 .pr_protocol = IPPROTO_IPV6,
148 .pr_init = ip6_init,
149 .pr_slowtimo = frag6_slowtimo,
150 .pr_drain = frag6_drain,
151 .pr_usrreqs = &nousrreqs,
152 },
153 {
154 .pr_type = SOCK_DGRAM,
155 .pr_domain = &inet6domain,
156 .pr_protocol = IPPROTO_UDP,
157 .pr_flags = PR_ATOMIC|PR_ADDR,
158 .pr_input = udp6_input,
159 .pr_ctlinput = udp6_ctlinput,
160 .pr_ctloutput = ip6_ctloutput,
161 .pr_usrreqs = &udp6_usrreqs,
162 },
163 {
164 .pr_type = SOCK_STREAM,
165 .pr_domain = &inet6domain,
166 .pr_protocol = IPPROTO_TCP,
167 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
168 .pr_input = tcp6_input,
169 .pr_ctlinput = tcp6_ctlinput,
170 .pr_ctloutput = tcp_ctloutput,
171 #ifndef INET /* don't call initialization and timeout routines twice */
172 .pr_init = tcp_init,
173 .pr_fasttimo = tcp_fasttimo,
174 .pr_slowtimo = tcp_slowtimo,
175 #endif
176 .pr_drain = tcp_drain,
177 .pr_usrreqs = &tcp6_usrreqs,
178 },
179 #ifdef SCTP
180 {
181 .pr_type = SOCK_DGRAM,
182 .pr_domain = &inet6domain,
183 .pr_protocol = IPPROTO_SCTP,
184 .pr_flags = PR_WANTRCVD,
185 .pr_input = sctp6_input,
186 .pr_ctlinput = sctp6_ctlinput,
187 .pr_ctloutput = sctp_ctloutput,
188 .pr_drain = sctp_drain,
189 .pr_usrreqs = &sctp6_usrreqs
190 },
191 {
192 .pr_type = SOCK_SEQPACKET,
193 .pr_domain = &inet6domain,
194 .pr_protocol = IPPROTO_SCTP,
195 .pr_flags = PR_WANTRCVD,
196 .pr_input = sctp6_input,
197 .pr_ctlinput = sctp6_ctlinput,
198 .pr_ctloutput = sctp_ctloutput,
199 .pr_drain = sctp_drain,
200 .pr_usrreqs = &sctp6_usrreqs
201 },
202
203 {
204 .pr_type = SOCK_STREAM,
205 .pr_domain = &inet6domain,
206 .pr_protocol = IPPROTO_SCTP,
207 .pr_flags = PR_WANTRCVD,
208 .pr_input = sctp6_input,
209 .pr_ctlinput = sctp6_ctlinput,
210 .pr_ctloutput = sctp_ctloutput,
211 .pr_drain = sctp_drain,
212 .pr_usrreqs = &sctp6_usrreqs
213 },
214 #endif /* SCTP */
215 {
216 .pr_type = SOCK_RAW,
217 .pr_domain = &inet6domain,
218 .pr_protocol = IPPROTO_RAW,
219 .pr_flags = PR_ATOMIC|PR_ADDR,
220 .pr_input = rip6_input,
221 .pr_output = rip6_output,
222 .pr_ctlinput = rip6_ctlinput,
223 .pr_ctloutput = rip6_ctloutput,
224 .pr_usrreqs = &rip6_usrreqs
225 },
226 {
227 .pr_type = SOCK_RAW,
228 .pr_domain = &inet6domain,
229 .pr_protocol = IPPROTO_ICMPV6,
230 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
231 .pr_input = icmp6_input,
232 .pr_output = rip6_output,
233 .pr_ctlinput = rip6_ctlinput,
234 .pr_ctloutput = rip6_ctloutput,
235 .pr_init = icmp6_init,
236 .pr_fasttimo = icmp6_fasttimo,
237 .pr_usrreqs = &rip6_usrreqs
238 },
239 {
240 .pr_type = SOCK_RAW,
241 .pr_domain = &inet6domain,
242 .pr_protocol = IPPROTO_DSTOPTS,
243 .pr_flags = PR_ATOMIC|PR_ADDR,
244 .pr_input = dest6_input,
245 .pr_usrreqs = &nousrreqs
246 },
247 {
248 .pr_type = SOCK_RAW,
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_ROUTING,
251 .pr_flags = PR_ATOMIC|PR_ADDR,
252 .pr_input = route6_input,
253 .pr_usrreqs = &nousrreqs
254 },
255 {
256 .pr_type = SOCK_RAW,
257 .pr_domain = &inet6domain,
258 .pr_protocol = IPPROTO_FRAGMENT,
259 .pr_flags = PR_ATOMIC|PR_ADDR,
260 .pr_input = frag6_input,
261 .pr_usrreqs = &nousrreqs
262 },
263 #ifdef IPSEC
264 {
265 .pr_type = SOCK_RAW,
266 .pr_domain = &inet6domain,
267 .pr_protocol = IPPROTO_AH,
268 .pr_flags = PR_ATOMIC|PR_ADDR,
269 .pr_input = ipsec6_common_input,
270 .pr_usrreqs = &nousrreqs,
271 },
272 {
273 .pr_type = SOCK_RAW,
274 .pr_domain = &inet6domain,
275 .pr_protocol = IPPROTO_ESP,
276 .pr_flags = PR_ATOMIC|PR_ADDR,
277 .pr_input = ipsec6_common_input,
278 .pr_ctlinput = esp6_ctlinput,
279 .pr_usrreqs = &nousrreqs,
280 },
281 {
282 .pr_type = SOCK_RAW,
283 .pr_domain = &inet6domain,
284 .pr_protocol = IPPROTO_IPCOMP,
285 .pr_flags = PR_ATOMIC|PR_ADDR,
286 .pr_input = ipsec6_common_input,
287 .pr_usrreqs = &nousrreqs,
288 },
289 #endif /* IPSEC */
290 #ifdef INET
291 {
292 .pr_type = SOCK_RAW,
293 .pr_domain = &inet6domain,
294 .pr_protocol = IPPROTO_IPV4,
295 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
296 .pr_input = encap6_input,
297 .pr_output = rip6_output,
298 .pr_ctloutput = rip6_ctloutput,
299 .pr_init = encap_init,
300 .pr_usrreqs = &rip6_usrreqs
301 },
302 #endif /* INET */
303 {
304 .pr_type = SOCK_RAW,
305 .pr_domain = &inet6domain,
306 .pr_protocol = IPPROTO_IPV6,
307 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
308 .pr_input = encap6_input,
309 .pr_output = rip6_output,
310 .pr_ctloutput = rip6_ctloutput,
311 .pr_init = encap_init,
312 .pr_usrreqs = &rip6_usrreqs
313 },
314 {
315 .pr_type = SOCK_RAW,
316 .pr_domain = &inet6domain,
317 .pr_protocol = IPPROTO_PIM,
318 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
319 .pr_input = encap6_input,
320 .pr_output = rip6_output,
321 .pr_ctloutput = rip6_ctloutput,
322 .pr_usrreqs = &rip6_usrreqs
323 },
324 #ifdef DEV_CARP
325 {
326 .pr_type = SOCK_RAW,
327 .pr_domain = &inet6domain,
328 .pr_protocol = IPPROTO_CARP,
329 .pr_flags = PR_ATOMIC|PR_ADDR,
330 .pr_input = carp6_input,
331 .pr_output = rip6_output,
332 .pr_ctloutput = rip6_ctloutput,
333 .pr_usrreqs = &rip6_usrreqs
334 },
335 #endif /* DEV_CARP */
336 /* raw wildcard */
337 {
338 .pr_type = SOCK_RAW,
339 .pr_domain = &inet6domain,
340 .pr_flags = PR_ATOMIC|PR_ADDR,
341 .pr_input = rip6_input,
342 .pr_output = rip6_output,
343 .pr_ctloutput = rip6_ctloutput,
344 .pr_usrreqs = &rip6_usrreqs
345 },
346 };
347
348 extern int in6_inithead(void **, int);
349
350 struct domain inet6domain = {
351 .dom_family = AF_INET6,
352 .dom_name = "internet6",
353 .dom_protosw = (struct protosw *)inet6sw,
354 .dom_protoswNPROTOSW = (struct protosw *)
355 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
356 #ifdef RADIX_MPATH
357 .dom_rtattach = rn6_mpath_inithead,
358 #else
359 .dom_rtattach = in6_inithead,
360 #endif
361 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
362 .dom_maxrtkey = sizeof(struct sockaddr_in6),
363 .dom_ifattach = in6_domifattach,
364 .dom_ifdetach = in6_domifdetach
365 };
366
367 DOMAIN_SET(inet6);
368
369 /*
370 * Internet configuration info
371 */
372 #ifdef VIMAGE_GLOBALS
373 int ip6_forwarding;
374 int ip6_sendredirects;
375 int ip6_defhlim;
376 int ip6_defmcasthlim;
377 int ip6_accept_rtadv;
378 int ip6_maxfragpackets;
379 int ip6_maxfrags;
380 int ip6_log_interval;
381 int ip6_hdrnestlimit;
382 int ip6_dad_count;
383 int ip6_auto_flowlabel;
384 int ip6_use_deprecated;
385 int ip6_rr_prune;
386 int ip6_mcast_pmtu;
387 int ip6_v6only;
388 int ip6_keepfaith;
389 time_t ip6_log_time;
390 int ip6stealth;
391 int nd6_onlink_ns_rfc4861;
392 #endif
393
394 #ifdef VIMAGE_GLOBALS
395 /* icmp6 */
396 /*
397 * BSDI4 defines these variables in in_proto.c...
398 * XXX: what if we don't define INET? Should we define pmtu6_expire
399 * or so? (jinmei@kame.net 19990310)
400 */
401 int pmtu_expire;
402 int pmtu_probe;
403
404 /* raw IP6 parameters */
405 /*
406 * Nominal space allocated to a raw ip socket.
407 */
408 u_long rip6_sendspace;
409 u_long rip6_recvspace;
410
411 /* ICMPV6 parameters */
412 int icmp6_rediraccept;
413 int icmp6_redirtimeout;
414 int icmp6errppslim;
415 /* control how to respond to NI queries */
416 int icmp6_nodeinfo;
417
418 /* UDP on IP6 parameters */
419 int udp6_sendspace;
420 int udp6_recvspace;
421 #endif /* VIMAGE_GLOBALS */
422
423 /*
424 * sysctl related items.
425 */
426 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
427 "Internet6 Family");
428
429 /* net.inet6 */
430 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
431 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
432 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
433 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
434 #ifdef SCTP
435 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
436 #endif
437 #ifdef IPSEC
438 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
439 #endif /* IPSEC */
440
441 /* net.inet6.ip6 */
442 static int
443 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
444 {
445 INIT_VNET_INET6(curvnet);
446 int error = 0;
447 int old;
448
449 error = SYSCTL_OUT(req, arg1, sizeof(int));
450 if (error || !req->newptr)
451 return (error);
452 old = V_ip6_temp_preferred_lifetime;
453 error = SYSCTL_IN(req, arg1, sizeof(int));
454 if (V_ip6_temp_preferred_lifetime <
455 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
456 V_ip6_temp_preferred_lifetime = old;
457 return (EINVAL);
458 }
459 return (error);
460 }
461
462 static int
463 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
464 {
465 INIT_VNET_INET6(curvnet);
466 int error = 0;
467 int old;
468
469 error = SYSCTL_OUT(req, arg1, sizeof(int));
470 if (error || !req->newptr)
471 return (error);
472 old = V_ip6_temp_valid_lifetime;
473 error = SYSCTL_IN(req, arg1, sizeof(int));
474 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
475 V_ip6_temp_preferred_lifetime = old;
476 return (EINVAL);
477 }
478 return (error);
479 }
480
481 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_FORWARDING,
482 forwarding, CTLFLAG_RW, ip6_forwarding, 0, "");
483 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_SENDREDIRECTS,
484 redirect, CTLFLAG_RW, ip6_sendredirects, 0, "");
485 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFHLIM,
486 hlim, CTLFLAG_RW, ip6_defhlim, 0, "");
487 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STATS, stats,
488 CTLFLAG_RD, ip6stat, ip6stat, "");
489 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS,
490 maxfragpackets, CTLFLAG_RW, ip6_maxfragpackets, 0, "");
491 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_ACCEPT_RTADV,
492 accept_rtadv, CTLFLAG_RW, ip6_accept_rtadv, 0, "");
493 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_KEEPFAITH,
494 keepfaith, CTLFLAG_RW, ip6_keepfaith, 0, "");
495 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_LOG_INTERVAL,
496 log_interval, CTLFLAG_RW, ip6_log_interval, 0, "");
497 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_HDRNESTLIMIT,
498 hdrnestlimit, CTLFLAG_RW, ip6_hdrnestlimit, 0, "");
499 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DAD_COUNT,
500 dad_count, CTLFLAG_RW, ip6_dad_count, 0, "");
501 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL,
502 auto_flowlabel, CTLFLAG_RW, ip6_auto_flowlabel, 0, "");
503 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_DEFMCASTHLIM,
504 defmcasthlim, CTLFLAG_RW, ip6_defmcasthlim, 0, "");
505 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION,
506 kame_version, CTLFLAG_RD, __KAME_VERSION, 0, "");
507 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEPRECATED,
508 use_deprecated, CTLFLAG_RW, ip6_use_deprecated, 0, "");
509 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RR_PRUNE,
510 rr_prune, CTLFLAG_RW, ip6_rr_prune, 0, "");
511 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USETEMPADDR,
512 use_tempaddr, CTLFLAG_RW, ip6_use_tempaddr, 0, "");
513 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
514 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_preferred_lifetime, 0,
515 sysctl_ip6_temppltime, "I", "");
516 SYSCTL_V_OID(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
517 CTLTYPE_INT|CTLFLAG_RW, ip6_temp_valid_lifetime, 0,
518 sysctl_ip6_tempvltime, "I", "");
519 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_V6ONLY,
520 v6only, CTLFLAG_RW, ip6_v6only, 0, "");
521 #ifndef VIMAGE
522 TUNABLE_INT("net.inet6.ip6.auto_linklocal", &ip6_auto_linklocal);
523 #endif
524 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL,
525 auto_linklocal, CTLFLAG_RW, ip6_auto_linklocal, 0, "");
526 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_RIP6STATS,
527 rip6stats, CTLFLAG_RD, rip6stat, rip6stat, "");
528 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR,
529 prefer_tempaddr, CTLFLAG_RW, ip6_prefer_tempaddr, 0, "");
530 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE,
531 use_defaultzone, CTLFLAG_RW, ip6_use_defzone, 0,"");
532 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MAXFRAGS,
533 maxfrags, CTLFLAG_RW, ip6_maxfrags, 0, "");
534 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_MCAST_PMTU,
535 mcast_pmtu, CTLFLAG_RW, ip6_mcast_pmtu, 0, "");
536 #ifdef IPSTEALTH
537 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_ip6, IPV6CTL_STEALTH,
538 stealth, CTLFLAG_RW, ip6stealth, 0, "");
539 #endif
540
541 /* net.inet6.icmp6 */
542 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT,
543 rediraccept, CTLFLAG_RW, icmp6_rediraccept, 0, "");
544 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT,
545 redirtimeout, CTLFLAG_RW, icmp6_redirtimeout, 0, "");
546 SYSCTL_V_STRUCT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_STATS,
547 stats, CTLFLAG_RD, icmp6stat, icmp6stat, "");
548 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE,
549 nd6_prune, CTLFLAG_RW, nd6_prune, 0, "");
550 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DELAY,
551 nd6_delay, CTLFLAG_RW, nd6_delay, 0, "");
552 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES,
553 nd6_umaxtries, CTLFLAG_RW, nd6_umaxtries, 0, "");
554 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES,
555 nd6_mmaxtries, CTLFLAG_RW, nd6_mmaxtries, 0, "");
556 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK,
557 nd6_useloopback, CTLFLAG_RW, nd6_useloopback, 0, "");
558 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_NODEINFO,
559 nodeinfo, CTLFLAG_RW, icmp6_nodeinfo, 0, "");
560 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT,
561 errppslimit, CTLFLAG_RW, icmp6errppslim, 0, "");
562 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT,
563 nd6_maxnudhint, CTLFLAG_RW, nd6_maxnudhint, 0, "");
564 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG,
565 nd6_debug, CTLFLAG_RW, nd6_debug, 0, "");
566
567 SYSCTL_V_INT(V_NET, vnet_inet6, _net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
568 nd6_onlink_ns_rfc4861, CTLFLAG_RW, nd6_onlink_ns_rfc4861, 0,
569 "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
570
|