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: releng/9.0/sys/netinet6/in6_proto.c 225521 2011-09-13 00:06:11Z hrs $");
65
66 #include "opt_inet.h"
67 #include "opt_inet6.h"
68 #include "opt_ipsec.h"
69 #include "opt_ipstealth.h"
70 #include "opt_sctp.h"
71 #include "opt_mpath.h"
72 #include "opt_route.h"
73
74 #include <sys/param.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 #include <sys/proc.h>
78 #include <sys/protosw.h>
79 #include <sys/jail.h>
80 #include <sys/kernel.h>
81 #include <sys/domain.h>
82 #include <sys/mbuf.h>
83 #include <sys/systm.h>
84 #include <sys/sysctl.h>
85
86 #include <net/if.h>
87 #include <net/radix.h>
88 #include <net/route.h>
89 #ifdef RADIX_MPATH
90 #include <net/radix_mpath.h>
91 #endif
92
93 #include <netinet/in.h>
94 #include <netinet/in_systm.h>
95 #include <netinet/in_var.h>
96 #include <netinet/ip_encap.h>
97 #include <netinet/ip.h>
98 #include <netinet/ip_var.h>
99 #include <netinet/ip6.h>
100 #include <netinet6/ip6_var.h>
101 #include <netinet/icmp6.h>
102
103 #include <netinet/tcp.h>
104 #include <netinet/tcp_timer.h>
105 #include <netinet/tcp_var.h>
106 #include <netinet/udp.h>
107 #include <netinet/udp_var.h>
108 #include <netinet6/tcp6_var.h>
109 #include <netinet6/raw_ip6.h>
110 #include <netinet6/udp6_var.h>
111 #include <netinet6/pim6_var.h>
112 #include <netinet6/nd6.h>
113
114 #ifdef SCTP
115 #include <netinet/in_pcb.h>
116 #include <netinet/sctp_pcb.h>
117 #include <netinet/sctp.h>
118 #include <netinet/sctp_var.h>
119 #include <netinet6/sctp6_var.h>
120 #endif /* SCTP */
121
122 #ifdef IPSEC
123 #include <netipsec/ipsec.h>
124 #include <netipsec/ipsec6.h>
125 #endif /* IPSEC */
126
127 #include <netinet6/ip6protosw.h>
128
129 #ifdef FLOWTABLE
130 #include <net/flowtable.h>
131 #endif
132
133 /*
134 * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
135 */
136 FEATURE(inet6, "Internet Protocol version 6");
137
138 extern struct domain inet6domain;
139 static struct pr_usrreqs nousrreqs;
140
141 #define PR_LISTEN 0
142 #define PR_ABRTACPTDIS 0
143
144 /* Spacer for loadable protocols. */
145 #define IP6PROTOSPACER \
146 { \
147 .pr_domain = &inet6domain, \
148 .pr_protocol = PROTO_SPACER, \
149 .pr_usrreqs = &nousrreqs \
150 }
151
152 struct ip6protosw inet6sw[] = {
153 {
154 .pr_type = 0,
155 .pr_domain = &inet6domain,
156 .pr_protocol = IPPROTO_IPV6,
157 .pr_init = ip6_init,
158 #ifdef VIMAGE
159 .pr_destroy = ip6_destroy,
160 #endif
161 .pr_slowtimo = frag6_slowtimo,
162 .pr_drain = frag6_drain,
163 .pr_usrreqs = &nousrreqs,
164 },
165 {
166 .pr_type = SOCK_DGRAM,
167 .pr_domain = &inet6domain,
168 .pr_protocol = IPPROTO_UDP,
169 .pr_flags = PR_ATOMIC|PR_ADDR,
170 .pr_input = udp6_input,
171 .pr_ctlinput = udp6_ctlinput,
172 .pr_ctloutput = ip6_ctloutput,
173 #ifndef INET /* Do not call initialization twice. */
174 .pr_init = udp_init,
175 #endif
176 .pr_usrreqs = &udp6_usrreqs,
177 },
178 {
179 .pr_type = SOCK_STREAM,
180 .pr_domain = &inet6domain,
181 .pr_protocol = IPPROTO_TCP,
182 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN,
183 .pr_input = tcp6_input,
184 .pr_ctlinput = tcp6_ctlinput,
185 .pr_ctloutput = tcp_ctloutput,
186 #ifndef INET /* don't call initialization and timeout routines twice */
187 .pr_init = tcp_init,
188 .pr_slowtimo = tcp_slowtimo,
189 #endif
190 .pr_drain = tcp_drain,
191 .pr_usrreqs = &tcp6_usrreqs,
192 },
193 #ifdef SCTP
194 {
195 .pr_type = SOCK_SEQPACKET,
196 .pr_domain = &inet6domain,
197 .pr_protocol = IPPROTO_SCTP,
198 .pr_flags = PR_WANTRCVD,
199 .pr_input = sctp6_input,
200 .pr_ctlinput = sctp6_ctlinput,
201 .pr_ctloutput = sctp_ctloutput,
202 .pr_drain = sctp_drain,
203 #ifndef INET /* Do not call initialization twice. */
204 .pr_init = sctp_init,
205 #endif
206 .pr_usrreqs = &sctp6_usrreqs
207 },
208 {
209 .pr_type = SOCK_STREAM,
210 .pr_domain = &inet6domain,
211 .pr_protocol = IPPROTO_SCTP,
212 .pr_flags = PR_WANTRCVD,
213 .pr_input = sctp6_input,
214 .pr_ctlinput = sctp6_ctlinput,
215 .pr_ctloutput = sctp_ctloutput,
216 .pr_drain = sctp_drain,
217 .pr_usrreqs = &sctp6_usrreqs
218 },
219 #endif /* SCTP */
220 {
221 .pr_type = SOCK_RAW,
222 .pr_domain = &inet6domain,
223 .pr_protocol = IPPROTO_RAW,
224 .pr_flags = PR_ATOMIC|PR_ADDR,
225 .pr_input = rip6_input,
226 .pr_output = rip6_output,
227 .pr_ctlinput = rip6_ctlinput,
228 .pr_ctloutput = rip6_ctloutput,
229 #ifndef INET /* Do not call initialization twice. */
230 .pr_init = rip_init,
231 #endif
232 .pr_usrreqs = &rip6_usrreqs
233 },
234 {
235 .pr_type = SOCK_RAW,
236 .pr_domain = &inet6domain,
237 .pr_protocol = IPPROTO_ICMPV6,
238 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
239 .pr_input = icmp6_input,
240 .pr_output = rip6_output,
241 .pr_ctlinput = rip6_ctlinput,
242 .pr_ctloutput = rip6_ctloutput,
243 .pr_fasttimo = icmp6_fasttimo,
244 .pr_slowtimo = icmp6_slowtimo,
245 .pr_usrreqs = &rip6_usrreqs
246 },
247 {
248 .pr_type = SOCK_RAW,
249 .pr_domain = &inet6domain,
250 .pr_protocol = IPPROTO_DSTOPTS,
251 .pr_flags = PR_ATOMIC|PR_ADDR,
252 .pr_input = dest6_input,
253 .pr_usrreqs = &nousrreqs
254 },
255 {
256 .pr_type = SOCK_RAW,
257 .pr_domain = &inet6domain,
258 .pr_protocol = IPPROTO_ROUTING,
259 .pr_flags = PR_ATOMIC|PR_ADDR,
260 .pr_input = route6_input,
261 .pr_usrreqs = &nousrreqs
262 },
263 {
264 .pr_type = SOCK_RAW,
265 .pr_domain = &inet6domain,
266 .pr_protocol = IPPROTO_FRAGMENT,
267 .pr_flags = PR_ATOMIC|PR_ADDR,
268 .pr_input = frag6_input,
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 .pr_input = ipsec6_common_input,
278 .pr_usrreqs = &nousrreqs,
279 },
280 {
281 .pr_type = SOCK_RAW,
282 .pr_domain = &inet6domain,
283 .pr_protocol = IPPROTO_ESP,
284 .pr_flags = PR_ATOMIC|PR_ADDR,
285 .pr_input = ipsec6_common_input,
286 .pr_ctlinput = esp6_ctlinput,
287 .pr_usrreqs = &nousrreqs,
288 },
289 {
290 .pr_type = SOCK_RAW,
291 .pr_domain = &inet6domain,
292 .pr_protocol = IPPROTO_IPCOMP,
293 .pr_flags = PR_ATOMIC|PR_ADDR,
294 .pr_input = ipsec6_common_input,
295 .pr_usrreqs = &nousrreqs,
296 },
297 #endif /* IPSEC */
298 #ifdef INET
299 {
300 .pr_type = SOCK_RAW,
301 .pr_domain = &inet6domain,
302 .pr_protocol = IPPROTO_IPV4,
303 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
304 .pr_input = encap6_input,
305 .pr_output = rip6_output,
306 .pr_ctloutput = rip6_ctloutput,
307 .pr_init = encap_init,
308 .pr_usrreqs = &rip6_usrreqs
309 },
310 #endif /* INET */
311 {
312 .pr_type = SOCK_RAW,
313 .pr_domain = &inet6domain,
314 .pr_protocol = IPPROTO_IPV6,
315 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
316 .pr_input = encap6_input,
317 .pr_output = rip6_output,
318 .pr_ctloutput = rip6_ctloutput,
319 .pr_init = encap_init,
320 .pr_usrreqs = &rip6_usrreqs
321 },
322 {
323 .pr_type = SOCK_RAW,
324 .pr_domain = &inet6domain,
325 .pr_protocol = IPPROTO_PIM,
326 .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
327 .pr_input = encap6_input,
328 .pr_output = rip6_output,
329 .pr_ctloutput = rip6_ctloutput,
330 .pr_usrreqs = &rip6_usrreqs
331 },
332 /* Spacer n-times for loadable protocols. */
333 IP6PROTOSPACER,
334 IP6PROTOSPACER,
335 IP6PROTOSPACER,
336 IP6PROTOSPACER,
337 IP6PROTOSPACER,
338 IP6PROTOSPACER,
339 IP6PROTOSPACER,
340 IP6PROTOSPACER,
341 /* raw wildcard */
342 {
343 .pr_type = SOCK_RAW,
344 .pr_domain = &inet6domain,
345 .pr_flags = PR_ATOMIC|PR_ADDR,
346 .pr_input = rip6_input,
347 .pr_output = rip6_output,
348 .pr_ctloutput = rip6_ctloutput,
349 .pr_usrreqs = &rip6_usrreqs
350 },
351 };
352
353 extern int in6_inithead(void **, int);
354 #ifdef VIMAGE
355 extern int in6_detachhead(void **, int);
356 #endif
357
358 struct domain inet6domain = {
359 .dom_family = AF_INET6,
360 .dom_name = "internet6",
361 .dom_protosw = (struct protosw *)inet6sw,
362 .dom_protoswNPROTOSW = (struct protosw *)
363 &inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
364 #ifdef RADIX_MPATH
365 .dom_rtattach = rn6_mpath_inithead,
366 #else
367 .dom_rtattach = in6_inithead,
368 #endif
369 #ifdef VIMAGE
370 .dom_rtdetach = in6_detachhead,
371 #endif
372 .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
373 .dom_maxrtkey = sizeof(struct sockaddr_in6),
374 .dom_ifattach = in6_domifattach,
375 .dom_ifdetach = in6_domifdetach
376 };
377
378 VNET_DOMAIN_SET(inet6);
379
380 /*
381 * Internet configuration info
382 */
383 #ifndef IPV6FORWARDING
384 #ifdef GATEWAY6
385 #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
386 #else
387 #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
388 #endif /* GATEWAY6 */
389 #endif /* !IPV6FORWARDING */
390
391 #ifndef IPV6_SENDREDIRECTS
392 #define IPV6_SENDREDIRECTS 1
393 #endif
394
395 VNET_DEFINE(int, ip6_forwarding) = IPV6FORWARDING; /* act as router? */
396 VNET_DEFINE(int, ip6_sendredirects) = IPV6_SENDREDIRECTS;
397 VNET_DEFINE(int, ip6_defhlim) = IPV6_DEFHLIM;
398 VNET_DEFINE(int, ip6_defmcasthlim) = IPV6_DEFAULT_MULTICAST_HOPS;
399 VNET_DEFINE(int, ip6_accept_rtadv) = 0;
400 VNET_DEFINE(int, ip6_no_radr) = 0;
401 VNET_DEFINE(int, ip6_norbit_raif) = 0;
402 VNET_DEFINE(int, ip6_rfc6204w3) = 0;
403 VNET_DEFINE(int, ip6_maxfragpackets); /* initialized in frag6.c:frag6_init() */
404 VNET_DEFINE(int, ip6_maxfrags); /* initialized in frag6.c:frag6_init() */
405 VNET_DEFINE(int, ip6_log_interval) = 5;
406 VNET_DEFINE(int, ip6_hdrnestlimit) = 15;/* How many header options will we
407 * process? */
408 VNET_DEFINE(int, ip6_dad_count) = 1; /* DupAddrDetectionTransmits */
409 VNET_DEFINE(int, ip6_auto_flowlabel) = 1;
410 VNET_DEFINE(int, ip6_use_deprecated) = 1;/* allow deprecated addr
411 * (RFC2462 5.5.4) */
412 VNET_DEFINE(int, ip6_rr_prune) = 5; /* router renumbering prefix
413 * walk list every 5 sec. */
414 VNET_DEFINE(int, ip6_mcast_pmtu) = 0; /* enable pMTU discovery for multicast? */
415 VNET_DEFINE(int, ip6_v6only) = 1;
416
417 VNET_DEFINE(int, ip6_keepfaith) = 0;
418 VNET_DEFINE(time_t, ip6_log_time) = (time_t)0L;
419 #ifdef IPSTEALTH
420 VNET_DEFINE(int, ip6stealth) = 0;
421 #endif
422 VNET_DEFINE(int, nd6_onlink_ns_rfc4861) = 0;/* allow 'on-link' nd6 NS
423 * (RFC 4861) */
424
425 /* icmp6 */
426 /*
427 * BSDI4 defines these variables in in_proto.c...
428 * XXX: what if we don't define INET? Should we define pmtu6_expire
429 * or so? (jinmei@kame.net 19990310)
430 */
431 VNET_DEFINE(int, pmtu_expire) = 60*10;
432 VNET_DEFINE(int, pmtu_probe) = 60*2;
433
434 /* raw IP6 parameters */
435 /*
436 * Nominal space allocated to a raw ip socket.
437 */
438 #define RIPV6SNDQ 8192
439 #define RIPV6RCVQ 8192
440
441 VNET_DEFINE(u_long, rip6_sendspace) = RIPV6SNDQ;
442 VNET_DEFINE(u_long, rip6_recvspace) = RIPV6RCVQ;
443
444 /* ICMPV6 parameters */
445 VNET_DEFINE(int, icmp6_rediraccept) = 1;/* accept and process redirects */
446 VNET_DEFINE(int, icmp6_redirtimeout) = 10 * 60; /* 10 minutes */
447 VNET_DEFINE(int, icmp6errppslim) = 100; /* 100pps */
448 /* control how to respond to NI queries */
449 VNET_DEFINE(int, icmp6_nodeinfo) =
450 (ICMP6_NODEINFO_FQDNOK|ICMP6_NODEINFO_NODEADDROK);
451
452 /* UDP on IP6 parameters */
453 VNET_DEFINE(int, udp6_sendspace) = 9216;/* really max datagram size */
454 VNET_DEFINE(int, udp6_recvspace) = 40 * (1024 + sizeof(struct sockaddr_in6));
455 /* 40 1K datagrams */
456
457 /*
458 * sysctl related items.
459 */
460 SYSCTL_NODE(_net, PF_INET6, inet6, CTLFLAG_RW, 0,
461 "Internet6 Family");
462
463 /* net.inet6 */
464 SYSCTL_NODE(_net_inet6, IPPROTO_IPV6, ip6, CTLFLAG_RW, 0, "IP6");
465 SYSCTL_NODE(_net_inet6, IPPROTO_ICMPV6, icmp6, CTLFLAG_RW, 0, "ICMP6");
466 SYSCTL_NODE(_net_inet6, IPPROTO_UDP, udp6, CTLFLAG_RW, 0, "UDP6");
467 SYSCTL_NODE(_net_inet6, IPPROTO_TCP, tcp6, CTLFLAG_RW, 0, "TCP6");
468 #ifdef SCTP
469 SYSCTL_NODE(_net_inet6, IPPROTO_SCTP, sctp6, CTLFLAG_RW, 0, "SCTP6");
470 #endif
471 #ifdef IPSEC
472 SYSCTL_NODE(_net_inet6, IPPROTO_ESP, ipsec6, CTLFLAG_RW, 0, "IPSEC6");
473 #endif /* IPSEC */
474
475 /* net.inet6.ip6 */
476 static int
477 sysctl_ip6_temppltime(SYSCTL_HANDLER_ARGS)
478 {
479 int error = 0;
480 int old;
481
482 VNET_SYSCTL_ARG(req, arg1);
483
484 error = SYSCTL_OUT(req, arg1, sizeof(int));
485 if (error || !req->newptr)
486 return (error);
487 old = V_ip6_temp_preferred_lifetime;
488 error = SYSCTL_IN(req, arg1, sizeof(int));
489 if (V_ip6_temp_preferred_lifetime <
490 V_ip6_desync_factor + V_ip6_temp_regen_advance) {
491 V_ip6_temp_preferred_lifetime = old;
492 return (EINVAL);
493 }
494 return (error);
495 }
496
497 static int
498 sysctl_ip6_tempvltime(SYSCTL_HANDLER_ARGS)
499 {
500 int error = 0;
501 int old;
502
503 VNET_SYSCTL_ARG(req, arg1);
504
505 error = SYSCTL_OUT(req, arg1, sizeof(int));
506 if (error || !req->newptr)
507 return (error);
508 old = V_ip6_temp_valid_lifetime;
509 error = SYSCTL_IN(req, arg1, sizeof(int));
510 if (V_ip6_temp_valid_lifetime < V_ip6_temp_preferred_lifetime) {
511 V_ip6_temp_preferred_lifetime = old;
512 return (EINVAL);
513 }
514 return (error);
515 }
516
517 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_FORWARDING, forwarding, CTLFLAG_RW,
518 &VNET_NAME(ip6_forwarding), 0, "");
519 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_SENDREDIRECTS, redirect, CTLFLAG_RW,
520 &VNET_NAME(ip6_sendredirects), 0, "");
521 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFHLIM, hlim, CTLFLAG_RW,
522 &VNET_NAME(ip6_defhlim), 0, "");
523 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_STATS, stats, CTLFLAG_RD,
524 &VNET_NAME(ip6stat), ip6stat, "");
525 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGPACKETS, maxfragpackets,
526 CTLFLAG_RW, &VNET_NAME(ip6_maxfragpackets), 0, "");
527 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_ACCEPT_RTADV, accept_rtadv,
528 CTLFLAG_RW, &VNET_NAME(ip6_accept_rtadv), 0,
529 "Default value of per-interface flag for accepting ICMPv6 Router"
530 "Advertisement messages");
531 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NO_RADR, no_radr,
532 CTLFLAG_RW, &VNET_NAME(ip6_no_radr), 0,
533 "Default value of per-interface flag to control whether routers "
534 "sending ICMPv6 RA messages on that interface are added into the "
535 "default router list.");
536 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_NORBIT_RAIF, norbit_raif, CTLFLAG_RW,
537 &VNET_NAME(ip6_norbit_raif), 0,
538 "Always set 0 to R flag in ICMPv6 NA messages when accepting RA"
539 " on the interface.");
540 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RFC6204W3, rfc6204w3,
541 CTLFLAG_RW, &VNET_NAME(ip6_rfc6204w3), 0,
542 "Accept the default router list from ICMPv6 RA messages even "
543 "when packet forwarding enabled.");
544 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_KEEPFAITH, keepfaith, CTLFLAG_RW,
545 &VNET_NAME(ip6_keepfaith), 0, "");
546 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_LOG_INTERVAL, log_interval,
547 CTLFLAG_RW, &VNET_NAME(ip6_log_interval), 0, "");
548 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_HDRNESTLIMIT, hdrnestlimit,
549 CTLFLAG_RW, &VNET_NAME(ip6_hdrnestlimit), 0, "");
550 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DAD_COUNT, dad_count, CTLFLAG_RW,
551 &VNET_NAME(ip6_dad_count), 0, "");
552 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_FLOWLABEL, auto_flowlabel,
553 CTLFLAG_RW, &VNET_NAME(ip6_auto_flowlabel), 0, "");
554 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_DEFMCASTHLIM, defmcasthlim,
555 CTLFLAG_RW, &VNET_NAME(ip6_defmcasthlim), 0, "");
556 SYSCTL_STRING(_net_inet6_ip6, IPV6CTL_KAME_VERSION, kame_version,
557 CTLFLAG_RD, __KAME_VERSION, 0, "");
558 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEPRECATED, use_deprecated,
559 CTLFLAG_RW, &VNET_NAME(ip6_use_deprecated), 0, "");
560 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_RR_PRUNE, rr_prune, CTLFLAG_RW,
561 &VNET_NAME(ip6_rr_prune), 0, "");
562 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USETEMPADDR, use_tempaddr,
563 CTLFLAG_RW, &VNET_NAME(ip6_use_tempaddr), 0, "");
564 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPPLTIME, temppltime,
565 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_preferred_lifetime), 0,
566 sysctl_ip6_temppltime, "I", "");
567 SYSCTL_VNET_PROC(_net_inet6_ip6, IPV6CTL_TEMPVLTIME, tempvltime,
568 CTLTYPE_INT|CTLFLAG_RW, &VNET_NAME(ip6_temp_valid_lifetime), 0,
569 sysctl_ip6_tempvltime, "I", "");
570 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_V6ONLY, v6only, CTLFLAG_RW,
571 &VNET_NAME(ip6_v6only), 0, "");
572 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_AUTO_LINKLOCAL, auto_linklocal,
573 CTLFLAG_RW, &VNET_NAME(ip6_auto_linklocal), 0,
574 "Default value of per-interface flag for automatically adding an IPv6"
575 " link-local address to interfaces when attached");
576 SYSCTL_VNET_STRUCT(_net_inet6_ip6, IPV6CTL_RIP6STATS, rip6stats, CTLFLAG_RD,
577 &VNET_NAME(rip6stat), rip6stat, "");
578 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_PREFER_TEMPADDR, prefer_tempaddr,
579 CTLFLAG_RW, &VNET_NAME(ip6_prefer_tempaddr), 0, "");
580 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_USE_DEFAULTZONE, use_defaultzone,
581 CTLFLAG_RW, &VNET_NAME(ip6_use_defzone), 0,"");
582 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MAXFRAGS, maxfrags, CTLFLAG_RW,
583 &VNET_NAME(ip6_maxfrags), 0, "");
584 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_MCAST_PMTU, mcast_pmtu, CTLFLAG_RW,
585 &VNET_NAME(ip6_mcast_pmtu), 0, "");
586 #ifdef IPSTEALTH
587 SYSCTL_VNET_INT(_net_inet6_ip6, IPV6CTL_STEALTH, stealth, CTLFLAG_RW,
588 &VNET_NAME(ip6stealth), 0, "");
589 #endif
590
591 #ifdef FLOWTABLE
592 VNET_DEFINE(int, ip6_output_flowtable_size) = 2048;
593 VNET_DEFINE(struct flowtable *, ip6_ft);
594 #define V_ip6_output_flowtable_size VNET(ip6_output_flowtable_size)
595
596 SYSCTL_VNET_INT(_net_inet6_ip6, OID_AUTO, output_flowtable_size, CTLFLAG_RDTUN,
597 &VNET_NAME(ip6_output_flowtable_size), 2048,
598 "number of entries in the per-cpu output flow caches");
599 #endif
600
601 /* net.inet6.icmp6 */
602 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRACCEPT, rediraccept,
603 CTLFLAG_RW, &VNET_NAME(icmp6_rediraccept), 0, "");
604 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_REDIRTIMEOUT, redirtimeout,
605 CTLFLAG_RW, &VNET_NAME(icmp6_redirtimeout), 0, "");
606 SYSCTL_VNET_STRUCT(_net_inet6_icmp6, ICMPV6CTL_STATS, stats, CTLFLAG_RD,
607 &VNET_NAME(icmp6stat), icmp6stat, "");
608 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_PRUNE, nd6_prune, CTLFLAG_RW,
609 &VNET_NAME(nd6_prune), 0, "");
610 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DELAY, nd6_delay, CTLFLAG_RW,
611 &VNET_NAME(nd6_delay), 0, "");
612 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_UMAXTRIES, nd6_umaxtries,
613 CTLFLAG_RW, &VNET_NAME(nd6_umaxtries), 0, "");
614 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MMAXTRIES, nd6_mmaxtries,
615 CTLFLAG_RW, &VNET_NAME(nd6_mmaxtries), 0, "");
616 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_USELOOPBACK, nd6_useloopback,
617 CTLFLAG_RW, &VNET_NAME(nd6_useloopback), 0, "");
618 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_NODEINFO, nodeinfo, CTLFLAG_RW,
619 &VNET_NAME(icmp6_nodeinfo), 0, "");
620 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ERRPPSLIMIT, errppslimit,
621 CTLFLAG_RW, &VNET_NAME(icmp6errppslim), 0, "");
622 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_MAXNUDHINT, nd6_maxnudhint,
623 CTLFLAG_RW, &VNET_NAME(nd6_maxnudhint), 0, "");
624 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_DEBUG, nd6_debug, CTLFLAG_RW,
625 &VNET_NAME(nd6_debug), 0, "");
626 SYSCTL_VNET_INT(_net_inet6_icmp6, ICMPV6CTL_ND6_ONLINKNSRFC4861,
627 nd6_onlink_ns_rfc4861, CTLFLAG_RW, &VNET_NAME(nd6_onlink_ns_rfc4861),
628 0, "Accept 'on-link' nd6 NS in compliance with RFC 4861.");
Cache object: d4b15b2fa1aead5b318acd203e7ed3ba
|