1 | /* |
2 | * Copyright (c) 2000-2016 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | /* |
30 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
31 | * All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. Neither the name of the project nor the names of its contributors |
42 | * may be used to endorse or promote products derived from this software |
43 | * without specific prior written permission. |
44 | * |
45 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
55 | * SUCH DAMAGE. |
56 | */ |
57 | |
58 | /* |
59 | * Copyright (c) 1985, 1986, 1993 |
60 | * The Regents of the University of California. All rights reserved. |
61 | * |
62 | * Redistribution and use in source and binary forms, with or without |
63 | * modification, are permitted provided that the following conditions |
64 | * are met: |
65 | * 1. Redistributions of source code must retain the above copyright |
66 | * notice, this list of conditions and the following disclaimer. |
67 | * 2. Redistributions in binary form must reproduce the above copyright |
68 | * notice, this list of conditions and the following disclaimer in the |
69 | * documentation and/or other materials provided with the distribution. |
70 | * 3. All advertising materials mentioning features or use of this software |
71 | * must display the following acknowledgement: |
72 | * This product includes software developed by the University of |
73 | * California, Berkeley and its contributors. |
74 | * 4. Neither the name of the University nor the names of its contributors |
75 | * may be used to endorse or promote products derived from this software |
76 | * without specific prior written permission. |
77 | * |
78 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
79 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
80 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
81 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
82 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
83 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
84 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
85 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
86 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
87 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
88 | * SUCH DAMAGE. |
89 | * |
90 | * @(#)in_var.h 8.1 (Berkeley) 6/10/93 |
91 | */ |
92 | |
93 | #ifndef _NETINET6_IN6_VAR_H_ |
94 | #define _NETINET6_IN6_VAR_H_ |
95 | #include <sys/appleapiopts.h> |
96 | #include <net/net_kev.h> |
97 | |
98 | #ifdef BSD_KERNEL_PRIVATE |
99 | #include <sys/tree.h> |
100 | #include <sys/mcache.h> |
101 | #endif /* BSD_KERNEL_PRIVATE */ |
102 | #include <netinet6/scope6_var.h> |
103 | #include <sys/kern_event.h> |
104 | #include <net/ethernet.h> |
105 | |
106 | /* |
107 | * pltime/vltime are just for future reference (required to implements 2 |
108 | * hour rule for hosts). they should never be modified by nd6_timeout or |
109 | * anywhere else. |
110 | * userland -> kernel: accept pltime/vltime |
111 | * kernel -> userland: throw up everything |
112 | * in kernel: modify preferred/expire only |
113 | */ |
114 | struct in6_addrlifetime { |
115 | time_t ia6t_expire; /* valid lifetime expiration time */ |
116 | time_t ia6t_preferred; /* preferred lifetime expiration time */ |
117 | u_int32_t ia6t_vltime; /* valid lifetime */ |
118 | u_int32_t ia6t_pltime; /* prefix lifetime */ |
119 | }; |
120 | |
121 | #ifdef BSD_KERNEL_PRIVATE |
122 | struct in6_addrlifetime_32 { |
123 | u_int32_t ia6t_expire; |
124 | u_int32_t ia6t_preferred; |
125 | u_int32_t ia6t_vltime; |
126 | u_int32_t ia6t_pltime; |
127 | }; |
128 | |
129 | struct in6_addrlifetime_64 { |
130 | u_int64_t ia6t_expire; |
131 | u_int64_t ia6t_preferred; |
132 | u_int32_t ia6t_vltime; |
133 | u_int32_t ia6t_pltime; |
134 | }; |
135 | |
136 | /* |
137 | * Internal representation of ia6_lifetime (expiration in uptime unit) |
138 | */ |
139 | struct in6_addrlifetime_i { |
140 | u_int64_t ia6ti_expire; /* valid lifetime expiration time */ |
141 | u_int64_t ia6ti_preferred; /* preferred lifetime expiration time */ |
142 | u_int32_t ia6ti_vltime; /* valid lifetime */ |
143 | u_int32_t ia6ti_pltime; /* prefix lifetime */ |
144 | u_int64_t ia6ti_base_calendartime; /* calendar time at creation */ |
145 | u_int64_t ia6ti_base_uptime; /* uptime at creation */ |
146 | }; |
147 | |
148 | /* |
149 | * Interface address, IPv6 version. One of these structures |
150 | * is allocated for each interface with an IPv6 address. |
151 | * The ifaddr structure contains the protocol-independent part |
152 | * of the structure and is assumed to be first. |
153 | */ |
154 | |
155 | struct in6_ifaddr { |
156 | struct ifaddr ia_ifa; /* protocol-independent info */ |
157 | #define ia_ifp ia_ifa.ifa_ifp |
158 | #define ia_flags ia_ifa.ifa_flags |
159 | struct sockaddr_in6 ia_addr; /* interface address */ |
160 | struct sockaddr_in6 ia_net; /* network number of interface */ |
161 | struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ |
162 | struct sockaddr_in6 ia_prefixmask; /* prefix mask */ |
163 | u_int32_t ia_plen; /* prefix length */ |
164 | struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ |
165 | int ia6_flags; |
166 | |
167 | struct in6_addrlifetime_i ia6_lifetime; |
168 | /* |
169 | * the creation time of this address, which is |
170 | * currently used for temporary addresses only. |
171 | */ |
172 | u_int64_t ia6_createtime; |
173 | u_int64_t ia6_updatetime; |
174 | |
175 | /* back pointer to the ND prefix */ |
176 | struct nd_prefix *ia6_ndpr; |
177 | |
178 | /* multicast addresses joined from the kernel */ |
179 | LIST_HEAD(, in6_multi_mship) ia6_memberships; |
180 | }; |
181 | |
182 | #define ifatoia6(ifa) ((struct in6_ifaddr *)(void *)(ifa)) |
183 | #endif /* BSD_KERNEL_PRIVATE */ |
184 | |
185 | /* control structure to manage address selection policy */ |
186 | struct in6_addrpolicy { |
187 | struct sockaddr_in6 addr; /* prefix address */ |
188 | struct sockaddr_in6 addrmask; /* prefix mask */ |
189 | int preced; /* precedence */ |
190 | int label; /* matching label */ |
191 | u_quad_t use; /* statistics */ |
192 | }; |
193 | |
194 | /* |
195 | * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). |
196 | */ |
197 | struct in6_ifstat { |
198 | u_quad_t ifs6_in_receive; /* # of total input datagram */ |
199 | u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ |
200 | u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ |
201 | u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ |
202 | u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ |
203 | u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ |
204 | /* NOTE: increment on final dst if */ |
205 | u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ |
206 | u_quad_t ifs6_in_discard; /* # of discarded datagrams */ |
207 | /* NOTE: fragment timeout is not here */ |
208 | u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ |
209 | /* NOTE: increment on final dst if */ |
210 | u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ |
211 | /* NOTE: increment on outgoing if */ |
212 | u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ |
213 | /* NOTE: does not include forwrads */ |
214 | u_quad_t ifs6_out_discard; /* # of discarded datagrams */ |
215 | u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ |
216 | u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ |
217 | u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ |
218 | /* NOTE: this is # after fragment */ |
219 | u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ |
220 | /* NOTE: increment on final dst if */ |
221 | u_quad_t ifs6_reass_ok; /* # of reassembled packets */ |
222 | /* NOTE: this is # after reass */ |
223 | /* NOTE: increment on final dst if */ |
224 | u_quad_t ifs6_atmfrag_rcvd; /* # of atomic fragments received */ |
225 | u_quad_t ifs6_reass_fail; /* # of reass failures */ |
226 | /* NOTE: may not be packet count */ |
227 | /* NOTE: increment on final dst if */ |
228 | u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ |
229 | u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ |
230 | |
231 | u_quad_t ifs6_cantfoward_icmp6; /* # of ICMPv6 packets received for unreachable dest */ |
232 | u_quad_t ifs6_addr_expiry_cnt; /* # of address expiry events (excluding privacy addresses) */ |
233 | u_quad_t ifs6_pfx_expiry_cnt; /* # of prefix expiry events */ |
234 | u_quad_t ifs6_defrtr_expiry_cnt; /* # of default router expiry events */ |
235 | }; |
236 | |
237 | /* |
238 | * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. |
239 | * XXX: I'm not sure if this file is the right place for this structure... |
240 | */ |
241 | struct icmp6_ifstat { |
242 | /* |
243 | * Input statistics |
244 | */ |
245 | /* ipv6IfIcmpInMsgs, total # of input messages */ |
246 | u_quad_t ifs6_in_msg; |
247 | /* ipv6IfIcmpInErrors, # of input error messages */ |
248 | u_quad_t ifs6_in_error; |
249 | /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ |
250 | u_quad_t ifs6_in_dstunreach; |
251 | /* ipv6IfIcmpInAdminProhibs, # of input admin. prohibited errs */ |
252 | u_quad_t ifs6_in_adminprohib; |
253 | /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ |
254 | u_quad_t ifs6_in_timeexceed; |
255 | /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ |
256 | u_quad_t ifs6_in_paramprob; |
257 | /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ |
258 | u_quad_t ifs6_in_pkttoobig; |
259 | /* ipv6IfIcmpInEchos, # of input echo requests */ |
260 | u_quad_t ifs6_in_echo; |
261 | /* ipv6IfIcmpInEchoReplies, # of input echo replies */ |
262 | u_quad_t ifs6_in_echoreply; |
263 | /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ |
264 | u_quad_t ifs6_in_routersolicit; |
265 | /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ |
266 | u_quad_t ifs6_in_routeradvert; |
267 | /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ |
268 | u_quad_t ifs6_in_neighborsolicit; |
269 | /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advs. */ |
270 | u_quad_t ifs6_in_neighboradvert; |
271 | /* ipv6IfIcmpInRedirects, # of input redirects */ |
272 | u_quad_t ifs6_in_redirect; |
273 | /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ |
274 | u_quad_t ifs6_in_mldquery; |
275 | /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ |
276 | u_quad_t ifs6_in_mldreport; |
277 | /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ |
278 | u_quad_t ifs6_in_mlddone; |
279 | |
280 | /* |
281 | * Output statistics. We should solve unresolved routing problem... |
282 | */ |
283 | /* ipv6IfIcmpOutMsgs, total # of output messages */ |
284 | u_quad_t ifs6_out_msg; |
285 | /* ipv6IfIcmpOutErrors, # of output error messages */ |
286 | u_quad_t ifs6_out_error; |
287 | /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ |
288 | u_quad_t ifs6_out_dstunreach; |
289 | /* ipv6IfIcmpOutAdminProhibs, # of output admin. prohibited errs */ |
290 | u_quad_t ifs6_out_adminprohib; |
291 | /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ |
292 | u_quad_t ifs6_out_timeexceed; |
293 | /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ |
294 | u_quad_t ifs6_out_paramprob; |
295 | /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ |
296 | u_quad_t ifs6_out_pkttoobig; |
297 | /* ipv6IfIcmpOutEchos, # of output echo requests */ |
298 | u_quad_t ifs6_out_echo; |
299 | /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ |
300 | u_quad_t ifs6_out_echoreply; |
301 | /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ |
302 | u_quad_t ifs6_out_routersolicit; |
303 | /* ipv6IfIcmpOutRouterAdvertisements, # of output router advs. */ |
304 | u_quad_t ifs6_out_routeradvert; |
305 | /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ |
306 | u_quad_t ifs6_out_neighborsolicit; |
307 | /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advs. */ |
308 | u_quad_t ifs6_out_neighboradvert; |
309 | /* ipv6IfIcmpOutRedirects, # of output redirects */ |
310 | u_quad_t ifs6_out_redirect; |
311 | /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ |
312 | u_quad_t ifs6_out_mldquery; |
313 | /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ |
314 | u_quad_t ifs6_out_mldreport; |
315 | /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ |
316 | u_quad_t ifs6_out_mlddone; |
317 | }; |
318 | |
319 | struct in6_ifreq { |
320 | char ifr_name[IFNAMSIZ]; |
321 | union { |
322 | struct sockaddr_in6 ifru_addr; |
323 | struct sockaddr_in6 ifru_dstaddr; |
324 | int ifru_flags; |
325 | int ifru_flags6; |
326 | int ifru_metric; |
327 | int ifru_intval; |
328 | caddr_t ifru_data; |
329 | struct in6_addrlifetime ifru_lifetime; |
330 | struct in6_ifstat ifru_stat; |
331 | struct icmp6_ifstat ifru_icmp6stat; |
332 | u_int32_t ifru_scope_id[SCOPE6_ID_MAX]; |
333 | } ifr_ifru; |
334 | }; |
335 | |
336 | struct in6_aliasreq { |
337 | char ifra_name[IFNAMSIZ]; |
338 | struct sockaddr_in6 ifra_addr; |
339 | struct sockaddr_in6 ifra_dstaddr; |
340 | struct sockaddr_in6 ifra_prefixmask; |
341 | int ifra_flags; |
342 | struct in6_addrlifetime ifra_lifetime; |
343 | }; |
344 | |
345 | #ifdef PRIVATE |
346 | #define IN6_CGA_MODIFIER_LENGTH 16 |
347 | |
348 | struct in6_cga_modifier { |
349 | u_int8_t octets[IN6_CGA_MODIFIER_LENGTH]; |
350 | }; |
351 | |
352 | struct in6_cga_prepare { |
353 | struct in6_cga_modifier cga_modifier; |
354 | u_int8_t cga_security_level; |
355 | u_int8_t reserved_A[15]; |
356 | }; |
357 | |
358 | #define IN6_CGA_KEY_MAXSIZE 2048 /* octets */ |
359 | |
360 | struct in6_cga_nodecfg { |
361 | struct iovec cga_privkey; |
362 | struct iovec cga_pubkey; |
363 | struct in6_cga_prepare cga_prepare; |
364 | }; |
365 | |
366 | /* |
367 | * XXX in6_llstartreq will be removed once |
368 | * configd adopts the more generically named |
369 | * in6_cgareq structure. |
370 | */ |
371 | struct in6_llstartreq { |
372 | char llsr_name[IFNAMSIZ]; |
373 | int llsr_flags; |
374 | struct in6_cga_prepare llsr_cgaprep; |
375 | struct in6_addrlifetime llsr_lifetime; |
376 | }; |
377 | |
378 | struct in6_cgareq { |
379 | char cgar_name[IFNAMSIZ]; |
380 | int cgar_flags; |
381 | struct in6_cga_prepare cgar_cgaprep; |
382 | struct in6_addrlifetime cgar_lifetime; |
383 | }; |
384 | |
385 | #ifdef BSD_KERNEL_PRIVATE |
386 | /* |
387 | * XXX Corresponding versions of in6_llstartreq |
388 | * will be removed after the new in6_cgareq is |
389 | * adopted by configd |
390 | */ |
391 | struct in6_llstartreq_32 { |
392 | char llsr_name[IFNAMSIZ]; |
393 | int llsr_flags; |
394 | struct in6_cga_prepare llsr_cgaprep; |
395 | struct in6_addrlifetime_32 llsr_lifetime; |
396 | }; |
397 | |
398 | struct in6_llstartreq_64 { |
399 | char llsr_name[IFNAMSIZ]; |
400 | int llsr_flags; |
401 | struct in6_cga_prepare llsr_cgaprep; |
402 | struct in6_addrlifetime_64 llsr_lifetime; |
403 | }; |
404 | |
405 | struct in6_cgareq_32 { |
406 | char cgar_name[IFNAMSIZ]; |
407 | int cgar_flags; |
408 | struct in6_cga_prepare cgar_cgaprep; |
409 | struct in6_addrlifetime_32 cgar_lifetime; |
410 | }; |
411 | |
412 | struct in6_cgareq_64 { |
413 | char cgar_name[IFNAMSIZ]; |
414 | int cgar_flags; |
415 | struct in6_cga_prepare cgar_cgaprep; |
416 | struct in6_addrlifetime_64 cgar_lifetime; |
417 | }; |
418 | |
419 | #endif /* !BSD_KERNEL_PRIVATE */ |
420 | #endif /* PRIVATE */ |
421 | |
422 | #ifdef BSD_KERNEL_PRIVATE |
423 | struct in6_aliasreq_32 { |
424 | char ifra_name[IFNAMSIZ]; |
425 | struct sockaddr_in6 ifra_addr; |
426 | struct sockaddr_in6 ifra_dstaddr; |
427 | struct sockaddr_in6 ifra_prefixmask; |
428 | int ifra_flags; |
429 | struct in6_addrlifetime_32 ifra_lifetime; |
430 | }; |
431 | |
432 | struct in6_aliasreq_64 { |
433 | char ifra_name[IFNAMSIZ]; |
434 | struct sockaddr_in6 ifra_addr; |
435 | struct sockaddr_in6 ifra_dstaddr; |
436 | struct sockaddr_in6 ifra_prefixmask; |
437 | int ifra_flags; |
438 | struct in6_addrlifetime_64 ifra_lifetime; |
439 | }; |
440 | #endif /* BSD_KERNEL_PRIVATE */ |
441 | |
442 | /* prefix type macro */ |
443 | #define IN6_PREFIX_ND 1 |
444 | #define IN6_PREFIX_RR 2 |
445 | |
446 | /* |
447 | * prefix related flags passed between kernel(NDP related part) and |
448 | * user land command(ifconfig) and daemon(rtadvd). |
449 | */ |
450 | struct in6_prflags { |
451 | struct prf_ra { |
452 | u_char onlink : 1; |
453 | u_char autonomous : 1; |
454 | u_char reserved : 6; |
455 | } prf_ra; |
456 | u_char prf_reserved1; |
457 | u_short prf_reserved2; |
458 | /* want to put this on 4byte offset */ |
459 | struct prf_rr { |
460 | u_char decrvalid : 1; |
461 | u_char decrprefd : 1; |
462 | u_char reserved : 6; |
463 | } prf_rr; |
464 | u_char prf_reserved3; |
465 | u_short prf_reserved4; |
466 | }; |
467 | |
468 | struct in6_prefixreq { |
469 | char ipr_name[IFNAMSIZ]; |
470 | u_char ipr_origin; |
471 | u_char ipr_plen; |
472 | u_int32_t ipr_vltime; |
473 | u_int32_t ipr_pltime; |
474 | struct in6_prflags ipr_flags; |
475 | struct sockaddr_in6 ipr_prefix; |
476 | }; |
477 | |
478 | #define PR_ORIG_RA 0 |
479 | #define PR_ORIG_RR 1 |
480 | #define PR_ORIG_STATIC 2 |
481 | #define PR_ORIG_KERNEL 3 |
482 | |
483 | #define ipr_raf_onlink ipr_flags.prf_ra.onlink |
484 | #define ipr_raf_auto ipr_flags.prf_ra.autonomous |
485 | |
486 | #define ipr_statef_onlink ipr_flags.prf_state.onlink |
487 | |
488 | #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid |
489 | #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd |
490 | |
491 | struct in6_rrenumreq { |
492 | char irr_name[IFNAMSIZ]; |
493 | u_char irr_origin; |
494 | u_char irr_m_len; /* match len for matchprefix */ |
495 | u_char irr_m_minlen; /* minlen for matching prefix */ |
496 | u_char irr_m_maxlen; /* maxlen for matching prefix */ |
497 | u_char irr_u_uselen; /* uselen for adding prefix */ |
498 | u_char irr_u_keeplen; /* keeplen from matching prefix */ |
499 | struct irr_raflagmask { |
500 | u_char onlink : 1; |
501 | u_char autonomous : 1; |
502 | u_char reserved : 6; |
503 | } irr_raflagmask; |
504 | u_int32_t irr_vltime; |
505 | u_int32_t irr_pltime; |
506 | struct in6_prflags irr_flags; |
507 | struct sockaddr_in6 irr_matchprefix; |
508 | struct sockaddr_in6 irr_useprefix; |
509 | }; |
510 | |
511 | #define irr_raf_mask_onlink irr_raflagmask.onlink |
512 | #define irr_raf_mask_auto irr_raflagmask.autonomous |
513 | #define irr_raf_mask_reserved irr_raflagmask.reserved |
514 | |
515 | #define irr_raf_onlink irr_flags.prf_ra.onlink |
516 | #define irr_raf_auto irr_flags.prf_ra.autonomous |
517 | |
518 | #define irr_statef_onlink irr_flags.prf_state.onlink |
519 | |
520 | #define irr_rrf irr_flags.prf_rr |
521 | #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid |
522 | #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd |
523 | |
524 | /* |
525 | * Event data, inet6 style. |
526 | */ |
527 | struct kev_in6_addrlifetime { |
528 | u_int32_t ia6t_expire; |
529 | u_int32_t ia6t_preferred; |
530 | u_int32_t ia6t_vltime; |
531 | u_int32_t ia6t_pltime; |
532 | }; |
533 | |
534 | struct kev_in6_data { |
535 | struct net_event_data link_data; |
536 | struct sockaddr_in6 ia_addr; /* interface address */ |
537 | struct sockaddr_in6 ia_net; /* network number of interface */ |
538 | struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ |
539 | struct sockaddr_in6 ia_prefixmask; /* prefix mask */ |
540 | u_int32_t ia_plen; /* prefix length */ |
541 | u_int32_t ia6_flags; /* address flags from in6_ifaddr */ |
542 | struct kev_in6_addrlifetime ia_lifetime; /* address life info */ |
543 | uint8_t ia_mac[ETHER_ADDR_LEN]; |
544 | }; |
545 | |
546 | #ifdef BSD_KERNEL_PRIVATE |
547 | /* Utility function used inside netinet6 kernel code for generating events */ |
548 | void in6_post_msg(struct ifnet *, u_int32_t, struct in6_ifaddr *, uint8_t *mac); |
549 | |
550 | #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ |
551 | (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ |
552 | (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ |
553 | (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ |
554 | (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0) |
555 | |
556 | /* |
557 | * Given a pointer to an in6_ifaddr (ifaddr), |
558 | * return a pointer to the addr as a sockaddr_in6 |
559 | */ |
560 | #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) |
561 | #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) |
562 | #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) |
563 | #define IA6_SIN6(ia) (&((ia)->ia_addr)) |
564 | #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) |
565 | #define IFA_IN6(x) \ |
566 | (&((struct sockaddr_in6 *)(void *)((x)->ifa_addr))->sin6_addr) |
567 | #define IFA_DSTIN6(x) \ |
568 | (&((struct sockaddr_in6 *)(void *)((x)->ifa_dstaddr))->sin6_addr) |
569 | #define IFPR_IN6(x) \ |
570 | (&((struct sockaddr_in6 *)(void *)((x)->ifpr_prefix))->sin6_addr) |
571 | #endif /* BSD_KERNEL_PRIVATE */ |
572 | |
573 | #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) |
574 | #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) |
575 | |
576 | /* |
577 | * SIOCSxxx ioctls should be unused (see comments in in6.c), but |
578 | * we do not shift numbers for binary compatibility. |
579 | */ |
580 | #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) |
581 | #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) |
582 | |
583 | #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) |
584 | #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) |
585 | |
586 | #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) |
587 | #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) |
588 | #ifdef BSD_KERNEL_PRIVATE |
589 | #define SIOCAIFADDR_IN6_32 _IOW('i', 26, struct in6_aliasreq_32) |
590 | #define SIOCAIFADDR_IN6_64 _IOW('i', 26, struct in6_aliasreq_64) |
591 | #endif /* BSD_KERNEL_PRIVATE */ |
592 | |
593 | #define SIOCSIFPHYADDR_IN6 _IOW('i', 62, struct in6_aliasreq) |
594 | #ifdef BSD_KERNEL_PRIVATE |
595 | #define SIOCSIFPHYADDR_IN6_32 _IOW('i', 62, struct in6_aliasreq_32) |
596 | #define SIOCSIFPHYADDR_IN6_64 _IOW('i', 62, struct in6_aliasreq_64) |
597 | #endif /* BSD_KERNEL_PRIVATE */ |
598 | #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 63, struct in6_ifreq) |
599 | #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 64, struct in6_ifreq) |
600 | #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) |
601 | |
602 | #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) |
603 | #ifdef BSD_KERNEL_PRIVATE |
604 | #define SIOCGDRLST_IN6_32 _IOWR('i', 74, struct in6_drlist_32) |
605 | #define SIOCGDRLST_IN6_64 _IOWR('i', 74, struct in6_drlist_64) |
606 | #endif /* BSD_KERNEL_PRIVATE */ |
607 | |
608 | #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) |
609 | #ifdef BSD_KERNEL_PRIVATE |
610 | #define SIOCGPRLST_IN6_32 _IOWR('i', 75, struct in6_prlist_32) |
611 | #define SIOCGPRLST_IN6_64 _IOWR('i', 75, struct in6_prlist_64) |
612 | #endif /* BSD_KERNEL_PRIVATE */ |
613 | |
614 | #define OSIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ondireq) |
615 | #define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) |
616 | #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) |
617 | |
618 | #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) |
619 | #ifdef BSD_KERNEL_PRIVATE |
620 | #define SIOCGNBRINFO_IN6_32 _IOWR('i', 78, struct in6_nbrinfo_32) |
621 | #define SIOCGNBRINFO_IN6_64 _IOWR('i', 78, struct in6_nbrinfo_64) |
622 | #endif /* BSD_KERNEL_PRIVATE */ |
623 | |
624 | #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) |
625 | #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) |
626 | |
627 | #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) |
628 | #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) |
629 | #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) |
630 | #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) |
631 | |
632 | #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) |
633 | #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) |
634 | #ifdef BSD_KERNEL_PRIVATE |
635 | #define SIOCSDEFIFACE_IN6_32 _IOWR('i', 85, struct in6_ndifreq_32) |
636 | #define SIOCSDEFIFACE_IN6_64 _IOWR('i', 85, struct in6_ndifreq_64) |
637 | #define SIOCGDEFIFACE_IN6_32 _IOWR('i', 86, struct in6_ndifreq_32) |
638 | #define SIOCGDEFIFACE_IN6_64 _IOWR('i', 86, struct in6_ndifreq_64) |
639 | #endif /* BSD_KERNEL_PRIVATE */ |
640 | |
641 | #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ |
642 | |
643 | /* N.B.: These 3 ioctls are deprecated and won't work */ |
644 | #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) |
645 | #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) |
646 | #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) |
647 | |
648 | #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ |
649 | #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ |
650 | #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ |
651 | #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ |
652 | |
653 | /* change */ |
654 | #define SIOCCIFPREFIX_IN6 _IOW('i', 104, struct in6_rrenumreq) |
655 | |
656 | /* set global */ |
657 | #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, struct in6_rrenumreq) |
658 | |
659 | /* |
660 | * multicast routing, get s/g pkt cnt, pkt cnt per interface. |
661 | */ |
662 | #define SIOCGETSGCNT_IN6 _IOWR('u', 28, struct sioc_sg_req6) |
663 | #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, struct sioc_mif_req6) |
664 | #ifdef BSD_KERNEL_PRIVATE |
665 | #define SIOCGETMIFCNT_IN6_32 _IOWR('u', 107, struct sioc_mif_req6_32) |
666 | #define SIOCGETMIFCNT_IN6_64 _IOWR('u', 107, struct sioc_mif_req6_64) |
667 | #endif /* BSD_KERNEL_PRIVATE */ |
668 | |
669 | #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) |
670 | #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) |
671 | |
672 | #ifdef PRIVATE |
673 | /* |
674 | * temporary control calls to attach/detach IPv6 to/from an interface. |
675 | */ |
676 | #define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq) |
677 | #ifdef BSD_KERNEL_PRIVATE |
678 | #define SIOCPROTOATTACH_IN6_32 _IOWR('i', 110, struct in6_aliasreq_32) |
679 | #define SIOCPROTOATTACH_IN6_64 _IOWR('i', 110, struct in6_aliasreq_64) |
680 | #endif /* BSD_KERNEL_PRIVATE */ |
681 | #define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq) |
682 | |
683 | /* |
684 | * start/stop aquiring linklocal on interface |
685 | */ |
686 | #define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq) |
687 | #ifdef BSD_KERNEL_PRIVATE |
688 | #define SIOCLL_START_32 _IOWR('i', 130, struct in6_aliasreq_32) |
689 | #define SIOCLL_START_64 _IOWR('i', 130, struct in6_aliasreq_64) |
690 | #endif /* BSD_KERNEL_PRIVATE */ |
691 | #define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq) |
692 | |
693 | /* |
694 | * accept rtadvd (and stop accepting) on this interface. |
695 | */ |
696 | #define SIOCAUTOCONF_START _IOWR('i', 132, struct in6_ifreq) |
697 | #define SIOCAUTOCONF_STOP _IOWR('i', 133, struct in6_ifreq) |
698 | |
699 | /* |
700 | * add/remove default IPv6 router. |
701 | */ |
702 | #define SIOCDRADD_IN6 _IOWR('u', 134, struct in6_defrouter) |
703 | #ifdef BSD_KERNEL_PRIVATE |
704 | #define SIOCDRADD_IN6_32 _IOWR('u', 134, struct in6_defrouter_32) |
705 | #define SIOCDRADD_IN6_64 _IOWR('u', 134, struct in6_defrouter_64) |
706 | #endif /* BSD_KERNEL_PRIVATE */ |
707 | #define SIOCDRDEL_IN6 _IOWR('u', 135, struct in6_defrouter) |
708 | #ifdef BSD_KERNEL_PRIVATE |
709 | #define SIOCDRDEL_IN6_32 _IOWR('u', 135, struct in6_defrouter_32) |
710 | #define SIOCDRDEL_IN6_64 _IOWR('u', 135, struct in6_defrouter_64) |
711 | #endif /* BSD_KERNEL_PRIVATE */ |
712 | |
713 | /* |
714 | * enable/disable IPv6 router mode on interface. |
715 | */ |
716 | #define SIOCSETROUTERMODE_IN6 _IOWR('i', 136, struct in6_ifreq) |
717 | |
718 | /* |
719 | * start secure link-local interface addresses |
720 | */ |
721 | #define SIOCLL_CGASTART _IOW('i', 160, struct in6_cgareq) |
722 | #ifdef BSD_KERNEL_PRIVATE |
723 | #define SIOCLL_CGASTART_32 _IOW('i', 160, struct in6_cgareq_32) |
724 | #define SIOCLL_CGASTART_64 _IOW('i', 160, struct in6_cgareq_64) |
725 | #endif |
726 | |
727 | #define SIOCGIFCGAPREP_IN6 _IOWR('i', 187, struct in6_cgareq) |
728 | #define SIOCSIFCGAPREP_IN6 _IOWR('i', 188, struct in6_cgareq) |
729 | |
730 | #define SIOCCLAT46_START _IOWR('i', 189, struct in6_ifreq) |
731 | #define SIOCCLAT46_STOP _IOWR('i', 190, struct in6_ifreq) |
732 | #endif /* PRIVATE */ |
733 | |
734 | #ifdef BSD_KERNEL_PRIVATE |
735 | /* |
736 | * XXX: Do not extend IN6_IFF values beyond 16-bit. We currently copy the |
737 | * values from ia6_flags as is into m_pkthdr.{src,dst}_iff which are |
738 | * defined as 16-bit variables. We can relax this once we define a |
739 | * unified set of interface flags for {ia,ia6}_flags and perform |
740 | * translation between those and the publicly-defined ones below. |
741 | */ |
742 | #endif /* BSD_KERNEL_PRIVATE */ |
743 | #define IN6_IFF_ANYCAST 0x0001 /* anycast address */ |
744 | #define IN6_IFF_TENTATIVE 0x0002 /* tentative address */ |
745 | #define IN6_IFF_DUPLICATED 0x0004 /* DAD detected duplicate */ |
746 | #define IN6_IFF_DETACHED 0x0008 /* may be detached from the link */ |
747 | #define IN6_IFF_DEPRECATED 0x0010 /* deprecated address */ |
748 | |
749 | /* don't perform DAD on this address (used only at first SIOC* call) */ |
750 | #define IN6_IFF_NODAD 0x0020 |
751 | |
752 | #define IN6_IFF_AUTOCONF 0x0040 /* autoconfigurable address. */ |
753 | #define IN6_IFF_TEMPORARY 0x0080 /* temporary (anonymous) address. */ |
754 | #define IN6_IFF_DYNAMIC 0x0100 /* assigned by DHCPv6 service */ |
755 | #define IN6_IFF_OPTIMISTIC 0x0200 /* optimistic DAD, i.e. RFC 4429 */ |
756 | #define IN6_IFF_SECURED 0x0400 /* cryptographically generated */ |
757 | #ifdef PRIVATE |
758 | #define IN6_IFF_SWIFTDAD 0x0800 /* DAD with no delay */ |
759 | #endif |
760 | #define IN6_IFF_CLAT46 0x1000 /* Address reserved for CLAT46 */ |
761 | #define IN6_IFF_NOPFX 0x8000 /* Depreciated. Don't use. */ |
762 | |
763 | /* Duplicate Address Detection [DAD] in progress. */ |
764 | #define IN6_IFF_DADPROGRESS (IN6_IFF_TENTATIVE|IN6_IFF_OPTIMISTIC) |
765 | |
766 | /* do not input/output */ |
767 | #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) |
768 | |
769 | /* SLAAC/DHCPv6 address */ |
770 | #define IN6_IFF_NOTMANUAL (IN6_IFF_AUTOCONF|IN6_IFF_DYNAMIC) |
771 | |
772 | #ifdef KERNEL |
773 | #define IN6_ARE_SCOPE_CMP(a, b) ((a) - (b)) |
774 | #define IN6_ARE_SCOPE_EQUAL(a, b) ((a) == (b)) |
775 | #endif /* KERNEL */ |
776 | |
777 | #ifdef BSD_KERNEL_PRIVATE |
778 | extern struct in6_ifaddr *in6_ifaddrs; |
779 | |
780 | extern struct icmp6stat icmp6stat; |
781 | extern lck_rw_t in6_ifaddr_rwlock; |
782 | extern lck_mtx_t proxy6_lock; |
783 | extern u_char inet6ctlerrmap[]; |
784 | extern u_int32_t in6_maxmtu; |
785 | |
786 | /* N.B.: if_inet6data is never freed once set, so we don't need to lock */ |
787 | #define in6_ifstat_inc_common(_ifp, _tag, _atomic) do { \ |
788 | if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \ |
789 | if (_atomic) \ |
790 | atomic_add_64( \ |
791 | &IN6_IFEXTRA(_ifp)->in6_ifstat._tag, 1); \ |
792 | else \ |
793 | IN6_IFEXTRA(_ifp)->in6_ifstat._tag++; \ |
794 | } \ |
795 | } while (0) |
796 | |
797 | /* atomic version */ |
798 | #define in6_ifstat_inc(_ifp, _tag) \ |
799 | in6_ifstat_inc_common(_ifp, _tag, TRUE) |
800 | |
801 | /* non-atomic version (for fast paths) */ |
802 | #define in6_ifstat_inc_na(_ifp, _tag) \ |
803 | in6_ifstat_inc_common(_ifp, _tag, FALSE) |
804 | |
805 | /* |
806 | * Macro for finding the internet address structure (in6_ifaddr) corresponding |
807 | * to a given interface (ifnet structure). |
808 | */ |
809 | |
810 | #define IFP_TO_IA6(ifp, ia) \ |
811 | /* struct ifnet *ifp; */ \ |
812 | /* struct in6_ifaddr *ia; */ \ |
813 | do { \ |
814 | struct ifaddr *_ifa; \ |
815 | ifnet_lock_assert(ifp, LCK_RW_ASSERT_HELD); \ |
816 | for (_ifa = (ifp)->if_addrlist.tqh_first; _ifa != NULL; \ |
817 | _ifa = _ifa->ifa_list.tqe_next) { \ |
818 | IFA_LOCK(_ifa); \ |
819 | if (_ifa->ifa_addr->sa_family == AF_INET6) { \ |
820 | IFA_ADDREF_LOCKED(_ifa); \ |
821 | IFA_UNLOCK(_ifa); \ |
822 | break; \ |
823 | } \ |
824 | IFA_UNLOCK(_ifa); \ |
825 | } \ |
826 | (ia) = (struct in6_ifaddr *)_ifa; \ |
827 | } while (0) |
828 | |
829 | /* |
830 | * IPv6 multicast MLD-layer source entry. |
831 | */ |
832 | struct ip6_msource { |
833 | RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */ |
834 | struct in6_addr im6s_addr; |
835 | struct im6s_st { |
836 | uint16_t ex; /* # of exclusive members */ |
837 | uint16_t in; /* # of inclusive members */ |
838 | } im6s_st[2]; /* state at t0, t1 */ |
839 | uint8_t im6s_stp; /* pending query */ |
840 | }; |
841 | |
842 | RB_HEAD(ip6_msource_tree, ip6_msource); |
843 | |
844 | RB_PROTOTYPE_SC_PREV(__private_extern__, ip6_msource_tree, ip6_msource, |
845 | im6s_link, ip6_msource_cmp); |
846 | |
847 | /* |
848 | * IPv6 multicast PCB-layer source entry. |
849 | * |
850 | * NOTE: overlapping use of struct ip6_msource fields at start. |
851 | */ |
852 | struct in6_msource { |
853 | RB_ENTRY(ip6_msource) im6s_link; /* Common field */ |
854 | struct in6_addr im6s_addr; /* Common field */ |
855 | uint8_t im6sl_st[2]; /* state before/at commit */ |
856 | }; |
857 | |
858 | /* |
859 | * IPv6 multicast PCB-layer group filter descriptor. |
860 | */ |
861 | struct in6_mfilter { |
862 | struct ip6_msource_tree im6f_sources; /* source list for (S,G) */ |
863 | u_long im6f_nsrc; /* # of source entries */ |
864 | uint8_t im6f_st[2]; /* state before/at commit */ |
865 | }; |
866 | |
867 | /* |
868 | * Legacy KAME IPv6 multicast membership descriptor. |
869 | */ |
870 | struct in6_multi_mship { |
871 | struct in6_multi *i6mm_maddr; /* Multicast address pointer */ |
872 | LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ |
873 | }; |
874 | |
875 | #ifdef BSD_KERNEL_PRIVATE |
876 | #include <netinet6/nd6_var.h> |
877 | #include <net/if_llatbl.h> |
878 | |
879 | /* |
880 | * Per-interface IPv6 structures. |
881 | */ |
882 | struct { |
883 | struct scope6_id ; |
884 | struct in6_ifstat ; |
885 | struct icmp6_ifstat ; |
886 | struct nd_ifinfo ; |
887 | uint32_t ; |
888 | u_int8_t [IFNET_SIGNATURELEN]; |
889 | struct ipv6_prefix [NAT64_MAX_NUM_PREFIXES]; |
890 | struct lltable *; /* NDP state */ |
891 | }; |
892 | #define (_ifp) ((struct in6_ifextra *)(_ifp->if_inet6data)) |
893 | #define LLTABLE6(ifp) ((IN6_IFEXTRA(ifp) == NULL) ? NULL : IN6_IFEXTRA(ifp)->ii_llt) |
894 | #endif /* BSD_KERNEL_PRIVATE */ |
895 | |
896 | struct mld_ifinfo; |
897 | |
898 | /* |
899 | * IPv6 group descriptor. |
900 | * |
901 | * For every entry on an ifnet's if_multiaddrs list which represents |
902 | * an IP multicast group, there is one of these structures. |
903 | * |
904 | * If any source filters are present, then a node will exist in the RB-tree |
905 | * to permit fast lookup by source whenever an operation takes place. |
906 | * This permits pre-order traversal when we issue reports. |
907 | * Source filter trees are kept separately from the socket layer to |
908 | * greatly simplify locking. |
909 | * |
910 | * When MLDv2 is active, in6m_timer is the response to group query timer. |
911 | * The state-change timer in6m_sctimer is separate; whenever state changes |
912 | * for the group the state change record is generated and transmitted, |
913 | * and kept if retransmissions are necessary. |
914 | * |
915 | * The request count here is a count of requests for this address, not a |
916 | * count of pointers to this structure. |
917 | * |
918 | * FUTURE: in6m_entry is now only used when groups are being purged |
919 | * on a detaching ifnet. It could be demoted to a SLIST_ENTRY. |
920 | */ |
921 | struct in6_multi { |
922 | decl_lck_mtx_data(, in6m_lock); |
923 | u_int32_t in6m_refcount; /* reference count */ |
924 | u_int32_t in6m_reqcnt; /* request count for this address */ |
925 | u_int32_t in6m_debug; /* see ifa_debug flags */ |
926 | LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ |
927 | struct in6_addr in6m_addr; /* IP6 multicast address */ |
928 | struct ifnet *in6m_ifp; /* back pointer to ifnet */ |
929 | struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ |
930 | u_int in6m_state; /* state of the membership */ |
931 | u_int in6m_timer; /* MLD6 listener report timer */ |
932 | |
933 | /* New fields for MLDv2 follow. */ |
934 | struct mld_ifinfo *in6m_mli; /* MLD info */ |
935 | SLIST_ENTRY(in6_multi) in6m_dtle; /* detached waiting for rele */ |
936 | SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */ |
937 | u_int32_t in6m_nrelecnt; /* deferred release count */ |
938 | struct ip6_msource_tree in6m_srcs; /* tree of sources */ |
939 | u_long in6m_nsrc; /* # of tree entries */ |
940 | |
941 | struct ifqueue in6m_scq; /* pending state-change packets */ |
942 | struct timeval in6m_lastgsrtv; /* last G-S-R query */ |
943 | uint16_t in6m_sctimer; /* state-change timer */ |
944 | uint16_t in6m_scrv; /* state-change rexmit count */ |
945 | |
946 | /* |
947 | * SSM state counters which track state at T0 (the time the last |
948 | * state-change report's RV timer went to zero) and T1 |
949 | * (time of pending report, i.e. now). |
950 | * Used for computing MLDv2 state-change reports. Several refcounts |
951 | * are maintained here to optimize for common use-cases. |
952 | */ |
953 | struct in6m_st { |
954 | uint16_t iss_fmode; /* MLD filter mode */ |
955 | uint16_t iss_asm; /* # of ASM listeners */ |
956 | uint16_t iss_ex; /* # of exclusive members */ |
957 | uint16_t iss_in; /* # of inclusive members */ |
958 | uint16_t iss_rec; /* # of recorded sources */ |
959 | } in6m_st[2]; /* state at t0, t1 */ |
960 | |
961 | void (*in6m_trace) /* callback fn for tracing refs */ |
962 | (struct in6_multi *, int); |
963 | }; |
964 | |
965 | #define IN6M_LOCK_ASSERT_HELD(_in6m) \ |
966 | LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_OWNED) |
967 | |
968 | #define IN6M_LOCK_ASSERT_NOTHELD(_in6m) \ |
969 | LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_NOTOWNED) |
970 | |
971 | #define IN6M_LOCK(_in6m) \ |
972 | lck_mtx_lock(&(_in6m)->in6m_lock) |
973 | |
974 | #define IN6M_LOCK_SPIN(_in6m) \ |
975 | lck_mtx_lock_spin(&(_in6m)->in6m_lock) |
976 | |
977 | #define IN6M_CONVERT_LOCK(_in6m) do { \ |
978 | IN6M_LOCK_ASSERT_HELD(_in6m); \ |
979 | lck_mtx_convert_spin(&(_in6m)->in6m_lock); \ |
980 | } while (0) |
981 | |
982 | #define IN6M_UNLOCK(_in6m) \ |
983 | lck_mtx_unlock(&(_in6m)->in6m_lock) |
984 | |
985 | #define IN6M_ADDREF(_in6m) \ |
986 | in6m_addref(_in6m, 0) |
987 | |
988 | #define IN6M_ADDREF_LOCKED(_in6m) \ |
989 | in6m_addref(_in6m, 1) |
990 | |
991 | #define IN6M_REMREF(_in6m) \ |
992 | in6m_remref(_in6m, 0) |
993 | |
994 | #define IN6M_REMREF_LOCKED(_in6m) \ |
995 | in6m_remref(_in6m, 1) |
996 | |
997 | /* flags to in6_update_ifa */ |
998 | #define IN6_IFAUPDATE_NOWAIT 0x1 /* don't block allocating memory */ |
999 | #define IN6_IFAUPDATE_1STADDR 0x2 /* first address on interface */ |
1000 | #define IN6_IFAUPDATE_NEWADDR 0x4 /* new address on interface */ |
1001 | #define IN6_IFAUPDATE_DADDELAY 0x8 /* must delay initial DAD probe */ |
1002 | |
1003 | struct ip6_moptions; |
1004 | struct sockopt; |
1005 | struct inpcb; |
1006 | |
1007 | extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; |
1008 | |
1009 | /* |
1010 | * Structure used by macros below to remember position when stepping through |
1011 | * all of the in6_multi records. |
1012 | */ |
1013 | struct in6_multistep { |
1014 | struct in6_ifaddr *i_ia; |
1015 | struct in6_multi *i_in6m; |
1016 | }; |
1017 | |
1018 | /* |
1019 | * Macros for looking up the in6_multi record for a given IP6 multicast |
1020 | * address on a given interface. If no matching record is found, "in6m" |
1021 | * returns NULL. |
1022 | * |
1023 | * We do this differently compared other BSD implementations; instead of |
1024 | * walking the if_multiaddrs list at the interface and returning the |
1025 | * ifma_protospec value of a matching entry, we search the global list |
1026 | * of in6_multi records and find it that way. Otherwise either the two |
1027 | * structures (in6_multi, ifmultiaddr) need to be ref counted both ways, |
1028 | * which will make things too complicated, or they need to reside in the |
1029 | * same protected domain, which they aren't. |
1030 | * |
1031 | * Must be called with in6_multihead_lock held. |
1032 | */ |
1033 | #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ |
1034 | /* struct in6_addr *addr; */ \ |
1035 | /* struct ifnet *ifp; */ \ |
1036 | /* struct in6_multi *in6m; */ \ |
1037 | do { \ |
1038 | struct in6_multistep _step; \ |
1039 | IN6_FIRST_MULTI(_step, in6m); \ |
1040 | while ((in6m) != NULL) { \ |
1041 | IN6M_LOCK_SPIN(in6m); \ |
1042 | if ((in6m)->in6m_ifp == (ifp) && \ |
1043 | IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, (addr))) { \ |
1044 | IN6M_ADDREF_LOCKED(in6m); \ |
1045 | IN6M_UNLOCK(in6m); \ |
1046 | break; \ |
1047 | } \ |
1048 | IN6M_UNLOCK(in6m); \ |
1049 | IN6_NEXT_MULTI(_step, in6m); \ |
1050 | } \ |
1051 | } while (0) |
1052 | |
1053 | /* |
1054 | * Macro to step through all of the in6_multi records, one at a time. |
1055 | * The current position is remembered in "step", which the caller must |
1056 | * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" |
1057 | * and get the first record. Both macros return a NULL "in6m" when there |
1058 | * are no remaining records. |
1059 | * |
1060 | * Must be called with in6_multihead_lock held. |
1061 | */ |
1062 | #define IN6_NEXT_MULTI(step, in6m) \ |
1063 | /* struct in6_multistep step; */ \ |
1064 | /* struct in6_multi *in6m; */ \ |
1065 | do { \ |
1066 | in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \ |
1067 | if (((in6m) = (step).i_in6m) != NULL) \ |
1068 | (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ |
1069 | } while (0) |
1070 | |
1071 | #define IN6_FIRST_MULTI(step, in6m) \ |
1072 | /* struct in6_multistep step; */ \ |
1073 | /* struct in6_multi *in6m */ \ |
1074 | do { \ |
1075 | in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \ |
1076 | (step).i_in6m = in6_multihead.lh_first; \ |
1077 | IN6_NEXT_MULTI((step), (in6m)); \ |
1078 | } while (0) |
1079 | |
1080 | extern lck_mtx_t *inet6_domain_mutex; |
1081 | extern struct domain *inet6domain; |
1082 | |
1083 | struct ip6_pktopts; |
1084 | |
1085 | /* Multicast private KPIs. */ |
1086 | extern int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *, |
1087 | const struct sockaddr_in6 *, const struct sockaddr_in6 *); |
1088 | extern int in6_mc_join(struct ifnet *, const struct in6_addr *, |
1089 | struct in6_mfilter *, struct in6_multi **, int); |
1090 | extern int in6_mc_leave(struct in6_multi *, struct in6_mfilter *); |
1091 | extern void in6m_clear_recorded(struct in6_multi *); |
1092 | extern void in6m_commit(struct in6_multi *); |
1093 | extern void in6m_purge(struct in6_multi *); |
1094 | extern void in6m_print(const struct in6_multi *); |
1095 | extern int in6m_record_source(struct in6_multi *, const struct in6_addr *); |
1096 | extern int ip6_getmoptions(struct inpcb *, struct sockopt *); |
1097 | extern int ip6_setmoptions(struct inpcb *, struct sockopt *); |
1098 | /* Legacy KAME multicast private KPIs. */ |
1099 | extern struct in6_multi_mship *in6_joingroup(struct ifnet *, |
1100 | struct in6_addr *, int *, int); |
1101 | extern int in6_leavegroup(struct in6_multi_mship *); |
1102 | extern void in6_multi_init(void); |
1103 | extern void in6m_addref(struct in6_multi *, int); |
1104 | extern void in6m_remref(struct in6_multi *, int); |
1105 | extern int in6_multi_detach(struct in6_multi *); |
1106 | extern int in6_ifindex2scopeid(int); |
1107 | extern int in6_mask2len(struct in6_addr *, u_char *); |
1108 | extern void in6_len2mask(struct in6_addr *, int); |
1109 | extern int in6_control(struct socket *, u_long, caddr_t, struct ifnet *, |
1110 | struct proc *); |
1111 | extern int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, int, |
1112 | struct in6_ifaddr **); |
1113 | extern void in6_purgeaddr(struct ifaddr *); |
1114 | extern int in6if_do_dad(struct ifnet *); |
1115 | extern void in6_purgeif(struct ifnet *); |
1116 | extern void in6_savemkludge(struct in6_ifaddr *); |
1117 | extern void in6_setmaxmtu(void); |
1118 | extern void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); |
1119 | extern void in6_purgemkludge(struct ifnet *); |
1120 | extern struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int); |
1121 | extern struct in6_ifaddr *in6ifa_ifpwithflag(struct ifnet *, int); |
1122 | extern struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *); |
1123 | extern struct in6_ifaddr *in6ifa_prproxyaddr(struct in6_addr *); |
1124 | extern void in6ifa_getlifetime(struct in6_ifaddr *, |
1125 | struct in6_addrlifetime *, int); |
1126 | extern void in6ifa_setlifetime(struct in6_ifaddr *, struct in6_addrlifetime *); |
1127 | extern char *ip6_sprintf(const struct in6_addr *); |
1128 | extern int in6_addr2scopeid(struct ifnet *, struct in6_addr *); |
1129 | extern int in6_matchlen(struct in6_addr *, struct in6_addr *); |
1130 | extern int in6_are_prefix_equal(struct in6_addr *p1, struct in6_addr *p2, |
1131 | int len); |
1132 | extern void in6_prefixlen2mask(struct in6_addr *maskp, int len); |
1133 | extern int in6_prefix_add_ifid(int iilen, struct in6_ifaddr *ia); |
1134 | extern void in6_prefix_remove_ifid(int iilen, struct in6_ifaddr *ia); |
1135 | extern void in6_purgeprefix(struct ifnet *); |
1136 | extern void in6_purgeaddrs(struct ifnet *); |
1137 | extern uint8_t im6s_get_mode(const struct in6_multi *, |
1138 | const struct ip6_msource *, uint8_t); |
1139 | extern void im6f_leave(struct in6_mfilter *); |
1140 | extern void im6f_purge(struct in6_mfilter *); |
1141 | extern int in6_embedscope(struct in6_addr *, const struct sockaddr_in6 *, |
1142 | struct inpcb *, struct ifnet **, struct ip6_pktopts *); |
1143 | extern int in6_recoverscope(struct sockaddr_in6 *, const struct in6_addr *, |
1144 | struct ifnet *); |
1145 | extern void in6_aliasreq_64_to_32(struct in6_aliasreq_64 *, |
1146 | struct in6_aliasreq_32 *); |
1147 | extern void in6_aliasreq_32_to_64(struct in6_aliasreq_32 *, |
1148 | struct in6_aliasreq_64 *); |
1149 | extern void in6_ifaddr_init(void); |
1150 | extern int in6_inithead(void **, int); |
1151 | extern void in6_rtqdrain(void); |
1152 | extern struct radix_node *in6_validate(struct radix_node *); |
1153 | extern int in6_if2idlen(struct ifnet *); |
1154 | extern int in6_src_ioctl(u_long, caddr_t); |
1155 | extern void in6_multihead_lock_exclusive(void); |
1156 | extern void in6_multihead_lock_shared(void); |
1157 | extern void in6_multihead_lock_assert(int); |
1158 | extern void in6_multihead_lock_done(void); |
1159 | |
1160 | extern void in6_cga_init(void); |
1161 | extern void in6_cga_node_lock(void); |
1162 | extern void in6_cga_node_unlock(void); |
1163 | extern void in6_cga_query(struct in6_cga_nodecfg *); |
1164 | extern int in6_cga_start(const struct in6_cga_nodecfg *); |
1165 | extern int in6_cga_stop(void); |
1166 | extern ssize_t in6_cga_parameters_prepare(void *, size_t, |
1167 | const struct in6_addr *, u_int8_t, const struct in6_cga_modifier *); |
1168 | extern int in6_cga_generate(struct in6_cga_prepare *, u_int8_t, |
1169 | struct in6_addr *); |
1170 | extern int in6_getconninfo(struct socket *, sae_connid_t, uint32_t *, |
1171 | uint32_t *, int32_t *, user_addr_t, socklen_t *, |
1172 | user_addr_t, socklen_t *, uint32_t *, user_addr_t, uint32_t *); |
1173 | extern void in6_ip6_to_sockaddr(const struct in6_addr *ip6, u_int16_t port, |
1174 | struct sockaddr_in6 *sin6, u_int32_t maxlen); |
1175 | |
1176 | #endif /* BSD_KERNEL_PRIVATE */ |
1177 | #endif /* _NETINET6_IN6_VAR_H_ */ |
1178 | |