1 /* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $ */
2 /* $DragonFly: src/sys/netinet6/in6_var.h,v 1.10 2008/10/03 07:59:20 hasso Exp $ */
3 /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */
4
5 /*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 /*
35 * Copyright (c) 1985, 1986, 1993
36 * The Regents of the University of California. All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. Neither the name of the University nor the names of its contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60 * SUCH DAMAGE.
61 *
62 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
63 */
64
65 #ifndef _NETINET6_IN6_VAR_H_
66 #define _NETINET6_IN6_VAR_H_
67
68 #ifndef _SYS_TYPES_H_
69 #include <sys/types.h>
70 #endif
71 #ifndef _SYS_IOCCOM_H_
72 #include <sys/ioccom.h>
73 #endif
74 #ifndef _SYS_TIME_H_
75 #include <sys/time.h>
76 #endif
77 #ifndef _NET_IF_VAR_H_
78 #include <net/if_var.h>
79 #endif
80 #ifndef _NETINET_IN_H_
81 #include <netinet/in.h>
82 #endif
83
84 /*
85 * Interface address, Internet version. One of these structures
86 * is allocated for each interface with an Internet address.
87 * The ifaddr structure contains the protocol-independent part
88 * of the structure and is assumed to be first.
89 */
90
91 /*
92 * pltime/vltime are just for future reference (required to implements 2
93 * hour rule for hosts). they should never be modified by nd6_timeout or
94 * anywhere else.
95 * userland -> kernel: accept pltime/vltime
96 * kernel -> userland: throw up everything
97 * in kernel: modify preferred/expire only
98 */
99 struct in6_addrlifetime {
100 time_t ia6t_expire; /* valid lifetime expiration time */
101 time_t ia6t_preferred; /* preferred lifetime expiration time */
102 u_int32_t ia6t_vltime; /* valid lifetime */
103 u_int32_t ia6t_pltime; /* prefix lifetime */
104 };
105
106 struct nd_ifinfo;
107 struct scope6_id;
108
109 struct in6_ifextra {
110 struct in6_ifstat *in6_ifstat;
111 struct icmp6_ifstat *icmp6_ifstat;
112 struct nd_ifinfo *nd_ifinfo;
113 struct scope6_id *scope6_id;
114 };
115
116 struct in6_ifaddr {
117 struct ifaddr ia_ifa; /* protocol-independent info */
118 #define ia_ifp ia_ifa.ifa_ifp
119 #define ia_flags ia_ifa.ifa_flags
120 struct sockaddr_in6 ia_addr; /* interface address */
121 struct sockaddr_in6 ia_net; /* network number of interface */
122 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
123 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
124 u_int32_t ia_plen; /* prefix length */
125 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
126 int ia6_flags;
127
128 struct in6_addrlifetime ia6_lifetime;
129 /* back pointer to the ND prefix (for autoconfigured addresses only) */
130 struct nd_prefix *ia6_ndpr;
131 };
132
133 /* control structure to manage address selection policy */
134 struct in6_addrpolicy {
135 struct sockaddr_in6 addr; /* prefix address */
136 struct sockaddr_in6 addrmask; /* prefix mask */
137 int preced; /* precedence */
138 int label; /* matching label */
139 u_quad_t use; /* statistics */
140 };
141
142 /*
143 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
144 */
145 struct in6_ifstat {
146 u_quad_t ifs6_in_receive; /* # of total input datagram */
147 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
148 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
149 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
150 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
151 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
152 /* NOTE: increment on final dst if */
153 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
154 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
155 /* NOTE: fragment timeout is not here */
156 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
157 /* NOTE: increment on final dst if */
158 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
159 /* NOTE: increment on outgoing if */
160 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
161 /* NOTE: does not include forwrads */
162 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
163 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
164 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
165 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
166 /* NOTE: this is # after fragment */
167 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
168 /* NOTE: increment on final dst if */
169 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
170 /* NOTE: this is # after reass */
171 /* NOTE: increment on final dst if */
172 u_quad_t ifs6_reass_fail; /* # of reass failures */
173 /* NOTE: may not be packet count */
174 /* NOTE: increment on final dst if */
175 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
176 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
177 };
178
179 /*
180 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
181 * XXX: I'm not sure if this file is the right place for this structure...
182 */
183 struct icmp6_ifstat {
184 /*
185 * Input statistics
186 */
187 /* ipv6IfIcmpInMsgs, total # of input messages */
188 u_quad_t ifs6_in_msg;
189 /* ipv6IfIcmpInErrors, # of input error messages */
190 u_quad_t ifs6_in_error;
191 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
192 u_quad_t ifs6_in_dstunreach;
193 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
194 u_quad_t ifs6_in_adminprohib;
195 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
196 u_quad_t ifs6_in_timeexceed;
197 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
198 u_quad_t ifs6_in_paramprob;
199 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
200 u_quad_t ifs6_in_pkttoobig;
201 /* ipv6IfIcmpInEchos, # of input echo requests */
202 u_quad_t ifs6_in_echo;
203 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
204 u_quad_t ifs6_in_echoreply;
205 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
206 u_quad_t ifs6_in_routersolicit;
207 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
208 u_quad_t ifs6_in_routeradvert;
209 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
210 u_quad_t ifs6_in_neighborsolicit;
211 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
212 u_quad_t ifs6_in_neighboradvert;
213 /* ipv6IfIcmpInRedirects, # of input redirects */
214 u_quad_t ifs6_in_redirect;
215 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
216 u_quad_t ifs6_in_mldquery;
217 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
218 u_quad_t ifs6_in_mldreport;
219 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
220 u_quad_t ifs6_in_mlddone;
221
222 /*
223 * Output statistics. We should solve unresolved routing problem...
224 */
225 /* ipv6IfIcmpOutMsgs, total # of output messages */
226 u_quad_t ifs6_out_msg;
227 /* ipv6IfIcmpOutErrors, # of output error messages */
228 u_quad_t ifs6_out_error;
229 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
230 u_quad_t ifs6_out_dstunreach;
231 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
232 u_quad_t ifs6_out_adminprohib;
233 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
234 u_quad_t ifs6_out_timeexceed;
235 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
236 u_quad_t ifs6_out_paramprob;
237 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
238 u_quad_t ifs6_out_pkttoobig;
239 /* ipv6IfIcmpOutEchos, # of output echo requests */
240 u_quad_t ifs6_out_echo;
241 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
242 u_quad_t ifs6_out_echoreply;
243 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
244 u_quad_t ifs6_out_routersolicit;
245 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
246 u_quad_t ifs6_out_routeradvert;
247 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
248 u_quad_t ifs6_out_neighborsolicit;
249 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
250 u_quad_t ifs6_out_neighboradvert;
251 /* ipv6IfIcmpOutRedirects, # of output redirects */
252 u_quad_t ifs6_out_redirect;
253 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
254 u_quad_t ifs6_out_mldquery;
255 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
256 u_quad_t ifs6_out_mldreport;
257 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
258 u_quad_t ifs6_out_mlddone;
259 };
260
261 struct in6_ifreq {
262 char ifr_name[IFNAMSIZ];
263 union {
264 struct sockaddr_in6 ifru_addr;
265 struct sockaddr_in6 ifru_dstaddr;
266 short ifru_flags;
267 int ifru_flags6;
268 int ifru_metric;
269 caddr_t ifru_data;
270 struct in6_addrlifetime ifru_lifetime;
271 struct in6_ifstat ifru_stat;
272 struct icmp6_ifstat ifru_icmp6stat;
273 u_int32_t ifru_scope_id[16];
274 } ifr_ifru;
275 };
276
277 struct in6_aliasreq {
278 char ifra_name[IFNAMSIZ];
279 struct sockaddr_in6 ifra_addr;
280 struct sockaddr_in6 ifra_dstaddr;
281 struct sockaddr_in6 ifra_prefixmask;
282 int ifra_flags;
283 struct in6_addrlifetime ifra_lifetime;
284 };
285
286 /* prefix type macro */
287 #define IN6_PREFIX_ND 1
288 #define IN6_PREFIX_RR 2
289
290 /*
291 * prefix related flags passed between kernel(NDP related part) and
292 * user land command(ifconfig) and daemon(rtadvd).
293 */
294 struct in6_prflags {
295 struct prf_ra {
296 u_char onlink : 1;
297 u_char autonomous : 1;
298 u_char reserved : 6;
299 } prf_ra;
300 u_char prf_reserved1;
301 u_short prf_reserved2;
302 /* want to put this on 4byte offset */
303 struct prf_rr {
304 u_char decrvalid : 1;
305 u_char decrprefd : 1;
306 u_char reserved : 6;
307 } prf_rr;
308 u_char prf_reserved3;
309 u_short prf_reserved4;
310 };
311
312 struct in6_prefixreq {
313 char ipr_name[IFNAMSIZ];
314 u_char ipr_origin;
315 u_char ipr_plen;
316 u_int32_t ipr_vltime;
317 u_int32_t ipr_pltime;
318 struct in6_prflags ipr_flags;
319 struct sockaddr_in6 ipr_prefix;
320 };
321
322 #define PR_ORIG_RA 0
323 #define PR_ORIG_RR 1
324 #define PR_ORIG_STATIC 2
325 #define PR_ORIG_KERNEL 3
326
327 #define ipr_raf_onlink ipr_flags.prf_ra.onlink
328 #define ipr_raf_auto ipr_flags.prf_ra.autonomous
329
330 #define ipr_statef_onlink ipr_flags.prf_state.onlink
331
332 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
333 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
334
335 struct in6_rrenumreq {
336 char irr_name[IFNAMSIZ];
337 u_char irr_origin;
338 u_char irr_m_len; /* match len for matchprefix */
339 u_char irr_m_minlen; /* minlen for matching prefix */
340 u_char irr_m_maxlen; /* maxlen for matching prefix */
341 u_char irr_u_uselen; /* uselen for adding prefix */
342 u_char irr_u_keeplen; /* keeplen from matching prefix */
343 struct irr_raflagmask {
344 u_char onlink : 1;
345 u_char autonomous : 1;
346 u_char reserved : 6;
347 } irr_raflagmask;
348 u_int32_t irr_vltime;
349 u_int32_t irr_pltime;
350 struct in6_prflags irr_flags;
351 struct sockaddr_in6 irr_matchprefix;
352 struct sockaddr_in6 irr_useprefix;
353 };
354
355 #define irr_raf_mask_onlink irr_raflagmask.onlink
356 #define irr_raf_mask_auto irr_raflagmask.autonomous
357 #define irr_raf_mask_reserved irr_raflagmask.reserved
358
359 #define irr_raf_onlink irr_flags.prf_ra.onlink
360 #define irr_raf_auto irr_flags.prf_ra.autonomous
361
362 #define irr_statef_onlink irr_flags.prf_state.onlink
363
364 #define irr_rrf irr_flags.prf_rr
365 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
366 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
367
368 /*
369 * Given a pointer to an in6_ifaddr (ifaddr),
370 * return a pointer to the addr as a sockaddr_in6
371 */
372 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
373 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
374 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
375 #define IA6_SIN6(ia) (&((ia)->ia_addr))
376 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
377 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
378 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
379
380 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
381
382 #ifdef _KERNEL
383 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
384 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
385 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
386 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
387 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
388 #endif
389
390 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
391 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
392
393 #ifdef _KERNEL
394 /*
395 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
396 * we do not shift numbers for binary compatibility.
397 */
398 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
399 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
400 #endif
401
402 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
403 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
404
405 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
406 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
407
408 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
409 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
410 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
411
412 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
413
414 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
415 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
416 #ifdef _KERNEL
417 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
418 #endif
419 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
420 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
421 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
422 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
423 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
424 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
425
426 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
427 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
428 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
429 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
430
431 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
432 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
433
434 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
435
436 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
437 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
438 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
439
440 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
441 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
442 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
443 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
444 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
445 struct in6_rrenumreq) /* change */
446 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
447 struct in6_rrenumreq) /* set global */
448
449 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
450 struct sioc_sg_req6) /* get s,g pkt cnt */
451 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
452 struct sioc_mif_req6) /* get pkt cnt per if */
453
454 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
455 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
456
457 #define IN6_IFF_ANYCAST 0x01 /* anycast address */
458 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */
459 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
460 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
461 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
462 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
463 * (used only at first SIOC* call)
464 */
465 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
466 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
467 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
468 * XXX: this should be temporary.
469 */
470
471 /* do not input/output */
472 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
473
474 #ifdef _KERNEL
475 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
476 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
477 #endif
478
479 #ifdef _KERNEL
480 extern struct in6_ifaddr *in6_ifaddr;
481
482 extern struct icmp6stat icmp6stat;
483 #define in6_ifstat_inc(ifp, tag) \
484 do { \
485 struct in6_ifextra *xtra; \
486 if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL) \
487 xtra->in6_ifstat->tag++; \
488 } while (0)
489
490 extern struct ifqueue ip6intrq; /* IP6 packet input queue */
491 extern struct in6_addr zeroin6_addr;
492 extern u_char inet6ctlerrmap[];
493 extern unsigned long in6_maxmtu;
494 #ifdef MALLOC_DECLARE
495 MALLOC_DECLARE(M_IPMADDR);
496 #endif
497
498 /*
499 * Macro for finding the internet address structure (in6_ifaddr) corresponding
500 * to a given interface (ifnet structure).
501 */
502
503 #define IFP_TO_IA6(ifp, ia) \
504 /* struct ifnet *ifp; */ \
505 /* struct in6_ifaddr *ia; */ \
506 do { \
507 struct ifaddr_container *ifac; \
508 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \
509 if (!ifac->ifa->ifa_addr) \
510 continue; \
511 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \
512 break; \
513 } \
514 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \
515 } while (0)
516
517 #endif /* _KERNEL */
518
519 /*
520 * Multi-cast membership entry. One for each group/ifp that a PCB
521 * belongs to.
522 */
523 struct in6_multi_mship {
524 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
525 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
526 };
527
528 struct in6_multi {
529 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
530 struct in6_addr in6m_addr; /* IP6 multicast address */
531 struct ifnet *in6m_ifp; /* back pointer to ifnet */
532 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
533 u_int in6m_refcount; /* # membership claims by sockets */
534 u_int in6m_state; /* state of the membership */
535 u_int in6m_timer; /* MLD6 listener report timer */
536 };
537
538 #ifdef _KERNEL
539 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
540
541 /*
542 * Structure used by macros below to remember position when stepping through
543 * all of the in6_multi records.
544 */
545 struct in6_multistep {
546 struct in6_ifaddr *i_ia;
547 struct in6_multi *i_in6m;
548 };
549
550 /*
551 * Look up the in6_multi record for a given IP6 multicast address on a given
552 * interface. If no matching record is found, NULL is returned.
553 */
554 static __inline struct in6_multi *
IN6_LOOKUP_MULTI(const struct in6_addr * _addr,struct ifnet * _ifp)555 IN6_LOOKUP_MULTI(const struct in6_addr *_addr, struct ifnet *_ifp)
556 {
557 const struct ifmultiaddr *_ifma;
558 struct in6_multi *_in6m = NULL;
559
560 /* TODO: need ifnet_serialize_main */
561 ifnet_serialize_all(_ifp);
562 TAILQ_FOREACH(_ifma, &_ifp->if_multiaddrs, ifma_link) {
563 if (_ifma->ifma_addr->sa_family == AF_INET6 &&
564 IN6_ARE_ADDR_EQUAL(
565 &((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr,
566 _addr)) {
567 _in6m = _ifma->ifma_protospec;
568 break;
569 }
570 }
571 ifnet_deserialize_all(_ifp);
572
573 return _in6m;
574 }
575
576 /*
577 * Macro to step through all of the in6_multi records, one at a time.
578 * The current position is remembered in "step", which the caller must
579 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
580 * and get the first record. Both macros return a NULL "in6m" when there
581 * are no remaining records.
582 */
583 #define IN6_NEXT_MULTI(step, in6m) \
584 /* struct in6_multistep step; */ \
585 /* struct in6_multi *in6m; */ \
586 do { \
587 if (((in6m) = (step).i_in6m) != NULL) \
588 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
589 } while(0)
590
591 #define IN6_FIRST_MULTI(step, in6m) \
592 /* struct in6_multistep step; */ \
593 /* struct in6_multi *in6m */ \
594 do { \
595 (step).i_in6m = in6_multihead.lh_first; \
596 IN6_NEXT_MULTI((step), (in6m)); \
597 } while(0)
598
599 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, int *);
600 void in6_delmulti (struct in6_multi *);
601 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
602 int in6_leavegroup(struct in6_multi_mship *);
603
604 int in6_mask2len(const struct in6_addr *, const u_char *);
605 void in6_control_dispatch(netmsg_t msg);
606 int in6_control(u_long, caddr_t, struct ifnet *, struct thread *);
607 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *,
608 struct in6_ifaddr *);
609 void in6_purgeaddr (struct ifaddr *);
610 int in6if_do_dad (struct ifnet *);
611 void in6_purgeif (struct ifnet *);
612 void in6_savemkludge (struct in6_ifaddr *);
613 void in6_if_up(struct ifnet *);
614 void in6_if_down(struct ifnet *);
615 void *in6_domifattach (struct ifnet *);
616 void in6_domifdetach (struct ifnet *, void *);
617 void in6_setmaxmtu (void);
618 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *);
619 void in6_purgemkludge (struct ifnet *);
620 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int);
621 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, struct in6_addr *);
622 struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *);
623 char *ip6_sprintf (const struct in6_addr *);
624 int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *);
625 int in6_matchlen (struct in6_addr *, struct in6_addr *);
626 int in6_are_prefix_equal(struct in6_addr *p1, struct in6_addr *p2, int len);
627 void in6_prefixlen2mask(struct in6_addr *maskp, int len);
628 void in6_newaddrmsg(struct ifaddr *);
629 void in6_ifremloop(struct ifaddr *);
630 void in6_ifaddloop(struct ifaddr *);
631
632 int in6_is_addr_deprecated (struct sockaddr_in6 *);
633 struct inpcb;
634 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *,
635 struct inpcb *, struct ifnet **);
636 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *,
637 struct ifnet *);
638 void in6_clearscope (struct in6_addr *);
639 int in6_src_ioctl (u_long, caddr_t);
640 #endif /* _KERNEL */
641
642 #endif /* _NETINET6_IN6_VAR_H_ */
643