network code: Convert if_multiaddrs from LIST to TAILQ.
[dragonfly.git] / sys / netinet6 / in6_var.h
CommitLineData
984263bc 1/* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $ */
100c1c44 2/* $DragonFly: src/sys/netinet6/in6_var.h,v 1.10 2008/10/03 07:59:20 hasso Exp $ */
984263bc
MD
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. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by the University of
49 * California, Berkeley and its contributors.
50 * 4. Neither the name of the University nor the names of its contributors
51 * may be used to endorse or promote products derived from this software
52 * without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64 * SUCH DAMAGE.
65 *
66 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
67 */
68
69#ifndef _NETINET6_IN6_VAR_H_
70#define _NETINET6_IN6_VAR_H_
71
1bd40720
MD
72#ifndef _SYS_TYPES_H_
73#include <sys/types.h>
74#endif
99dd49c5
SW
75#ifndef _SYS_IOCCOM_H_
76#include <sys/ioccom.h>
77#endif
1bd40720
MD
78#ifndef _SYS_TIME_H_
79#include <sys/time.h>
80#endif
81#ifndef _NET_IF_VAR_H_
82#include <net/if_var.h>
83#endif
84#ifndef _NETINET_IN_H_
85#include <netinet/in.h>
86#endif
87
984263bc
MD
88/*
89 * Interface address, Internet version. One of these structures
90 * is allocated for each interface with an Internet address.
91 * The ifaddr structure contains the protocol-independent part
92 * of the structure and is assumed to be first.
93 */
94
95/*
96 * pltime/vltime are just for future reference (required to implements 2
97 * hour rule for hosts). they should never be modified by nd6_timeout or
98 * anywhere else.
99 * userland -> kernel: accept pltime/vltime
100 * kernel -> userland: throw up everything
101 * in kernel: modify preferred/expire only
102 */
103struct in6_addrlifetime {
104 time_t ia6t_expire; /* valid lifetime expiration time */
105 time_t ia6t_preferred; /* preferred lifetime expiration time */
106 u_int32_t ia6t_vltime; /* valid lifetime */
107 u_int32_t ia6t_pltime; /* prefix lifetime */
108};
109
698ac46c
HS
110struct nd_ifinfo;
111struct scope6_id;
1bd40720 112
698ac46c
HS
113struct in6_ifextra {
114 struct in6_ifstat *in6_ifstat;
115 struct icmp6_ifstat *icmp6_ifstat;
116 struct nd_ifinfo *nd_ifinfo;
117 struct scope6_id *scope6_id;
118};
119
984263bc
MD
120struct in6_ifaddr {
121 struct ifaddr ia_ifa; /* protocol-independent info */
122#define ia_ifp ia_ifa.ifa_ifp
123#define ia_flags ia_ifa.ifa_flags
124 struct sockaddr_in6 ia_addr; /* interface address */
125 struct sockaddr_in6 ia_net; /* network number of interface */
126 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
127 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
128 u_int32_t ia_plen; /* prefix length */
129 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
130 int ia6_flags;
131
132 struct in6_addrlifetime ia6_lifetime;
133 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
134
135 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix
136 * (for autoconfigured addresses only)
137 */
138};
139
02809d29
PA
140/* control structure to manage address selection policy */
141struct in6_addrpolicy {
142 struct sockaddr_in6 addr; /* prefix address */
143 struct sockaddr_in6 addrmask; /* prefix mask */
144 int preced; /* precedence */
145 int label; /* matching label */
146 u_quad_t use; /* statistics */
147};
148
984263bc
MD
149/*
150 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
151 */
152struct in6_ifstat {
153 u_quad_t ifs6_in_receive; /* # of total input datagram */
154 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
155 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
156 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
157 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
158 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
159 /* NOTE: increment on final dst if */
160 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
161 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
162 /* NOTE: fragment timeout is not here */
163 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
164 /* NOTE: increment on final dst if */
165 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
166 /* NOTE: increment on outgoing if */
167 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
168 /* NOTE: does not include forwrads */
169 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
170 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
171 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
172 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
173 /* NOTE: this is # after fragment */
174 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
175 /* NOTE: increment on final dst if */
176 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
177 /* NOTE: this is # after reass */
178 /* NOTE: increment on final dst if */
179 u_quad_t ifs6_reass_fail; /* # of reass failures */
180 /* NOTE: may not be packet count */
181 /* NOTE: increment on final dst if */
182 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
183 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
184};
185
186/*
187 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
188 * XXX: I'm not sure if this file is the right place for this structure...
189 */
190struct icmp6_ifstat {
191 /*
192 * Input statistics
193 */
194 /* ipv6IfIcmpInMsgs, total # of input messages */
195 u_quad_t ifs6_in_msg;
196 /* ipv6IfIcmpInErrors, # of input error messages */
197 u_quad_t ifs6_in_error;
198 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
199 u_quad_t ifs6_in_dstunreach;
200 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
201 u_quad_t ifs6_in_adminprohib;
202 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
203 u_quad_t ifs6_in_timeexceed;
204 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
205 u_quad_t ifs6_in_paramprob;
206 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
207 u_quad_t ifs6_in_pkttoobig;
208 /* ipv6IfIcmpInEchos, # of input echo requests */
209 u_quad_t ifs6_in_echo;
210 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
211 u_quad_t ifs6_in_echoreply;
212 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
213 u_quad_t ifs6_in_routersolicit;
214 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
215 u_quad_t ifs6_in_routeradvert;
216 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
217 u_quad_t ifs6_in_neighborsolicit;
218 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
219 u_quad_t ifs6_in_neighboradvert;
220 /* ipv6IfIcmpInRedirects, # of input redirects */
221 u_quad_t ifs6_in_redirect;
222 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
223 u_quad_t ifs6_in_mldquery;
224 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
225 u_quad_t ifs6_in_mldreport;
226 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
227 u_quad_t ifs6_in_mlddone;
228
229 /*
230 * Output statistics. We should solve unresolved routing problem...
231 */
232 /* ipv6IfIcmpOutMsgs, total # of output messages */
233 u_quad_t ifs6_out_msg;
234 /* ipv6IfIcmpOutErrors, # of output error messages */
235 u_quad_t ifs6_out_error;
236 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
237 u_quad_t ifs6_out_dstunreach;
238 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
239 u_quad_t ifs6_out_adminprohib;
240 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
241 u_quad_t ifs6_out_timeexceed;
242 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
243 u_quad_t ifs6_out_paramprob;
244 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
245 u_quad_t ifs6_out_pkttoobig;
246 /* ipv6IfIcmpOutEchos, # of output echo requests */
247 u_quad_t ifs6_out_echo;
248 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
249 u_quad_t ifs6_out_echoreply;
250 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
251 u_quad_t ifs6_out_routersolicit;
252 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
253 u_quad_t ifs6_out_routeradvert;
254 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
255 u_quad_t ifs6_out_neighborsolicit;
256 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
257 u_quad_t ifs6_out_neighboradvert;
258 /* ipv6IfIcmpOutRedirects, # of output redirects */
259 u_quad_t ifs6_out_redirect;
260 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
261 u_quad_t ifs6_out_mldquery;
262 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
263 u_quad_t ifs6_out_mldreport;
264 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
265 u_quad_t ifs6_out_mlddone;
266};
267
268struct in6_ifreq {
269 char ifr_name[IFNAMSIZ];
270 union {
271 struct sockaddr_in6 ifru_addr;
272 struct sockaddr_in6 ifru_dstaddr;
273 short ifru_flags;
274 int ifru_flags6;
275 int ifru_metric;
276 caddr_t ifru_data;
277 struct in6_addrlifetime ifru_lifetime;
278 struct in6_ifstat ifru_stat;
279 struct icmp6_ifstat ifru_icmp6stat;
280 u_int32_t ifru_scope_id[16];
281 } ifr_ifru;
282};
283
284struct in6_aliasreq {
285 char ifra_name[IFNAMSIZ];
286 struct sockaddr_in6 ifra_addr;
287 struct sockaddr_in6 ifra_dstaddr;
288 struct sockaddr_in6 ifra_prefixmask;
289 int ifra_flags;
290 struct in6_addrlifetime ifra_lifetime;
291};
292
293/* prefix type macro */
294#define IN6_PREFIX_ND 1
295#define IN6_PREFIX_RR 2
296
297/*
298 * prefix related flags passed between kernel(NDP related part) and
299 * user land command(ifconfig) and daemon(rtadvd).
300 */
301struct in6_prflags {
302 struct prf_ra {
303 u_char onlink : 1;
304 u_char autonomous : 1;
305 u_char reserved : 6;
306 } prf_ra;
307 u_char prf_reserved1;
308 u_short prf_reserved2;
309 /* want to put this on 4byte offset */
310 struct prf_rr {
311 u_char decrvalid : 1;
312 u_char decrprefd : 1;
313 u_char reserved : 6;
314 } prf_rr;
315 u_char prf_reserved3;
316 u_short prf_reserved4;
317};
318
319struct in6_prefixreq {
320 char ipr_name[IFNAMSIZ];
321 u_char ipr_origin;
322 u_char ipr_plen;
323 u_int32_t ipr_vltime;
324 u_int32_t ipr_pltime;
325 struct in6_prflags ipr_flags;
326 struct sockaddr_in6 ipr_prefix;
327};
328
329#define PR_ORIG_RA 0
330#define PR_ORIG_RR 1
331#define PR_ORIG_STATIC 2
332#define PR_ORIG_KERNEL 3
333
334#define ipr_raf_onlink ipr_flags.prf_ra.onlink
335#define ipr_raf_auto ipr_flags.prf_ra.autonomous
336
337#define ipr_statef_onlink ipr_flags.prf_state.onlink
338
339#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
340#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
341
342struct in6_rrenumreq {
343 char irr_name[IFNAMSIZ];
344 u_char irr_origin;
345 u_char irr_m_len; /* match len for matchprefix */
346 u_char irr_m_minlen; /* minlen for matching prefix */
347 u_char irr_m_maxlen; /* maxlen for matching prefix */
348 u_char irr_u_uselen; /* uselen for adding prefix */
349 u_char irr_u_keeplen; /* keeplen from matching prefix */
350 struct irr_raflagmask {
351 u_char onlink : 1;
352 u_char autonomous : 1;
353 u_char reserved : 6;
354 } irr_raflagmask;
355 u_int32_t irr_vltime;
356 u_int32_t irr_pltime;
357 struct in6_prflags irr_flags;
358 struct sockaddr_in6 irr_matchprefix;
359 struct sockaddr_in6 irr_useprefix;
360};
361
362#define irr_raf_mask_onlink irr_raflagmask.onlink
363#define irr_raf_mask_auto irr_raflagmask.autonomous
364#define irr_raf_mask_reserved irr_raflagmask.reserved
365
366#define irr_raf_onlink irr_flags.prf_ra.onlink
367#define irr_raf_auto irr_flags.prf_ra.autonomous
368
369#define irr_statef_onlink irr_flags.prf_state.onlink
370
371#define irr_rrf irr_flags.prf_rr
372#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
373#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
374
375/*
376 * Given a pointer to an in6_ifaddr (ifaddr),
377 * return a pointer to the addr as a sockaddr_in6
378 */
379#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
380#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
381#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
382#define IA6_SIN6(ia) (&((ia)->ia_addr))
383#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
384#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
385#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
386
387#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
388
389#ifdef _KERNEL
390#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
391 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
392 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
393 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
394 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
395#endif
396
397#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
398#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
399
400#ifdef _KERNEL
401/*
402 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
403 * we do not shift numbers for binary compatibility.
404 */
405#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
406#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
407#endif
408
409#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
410#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
411
412#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
413#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
414
415#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
416#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
417#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
418
419#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
420
421#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
422#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
423#ifdef _KERNEL
424#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
425#endif
426#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
427#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
428#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
429#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
430#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
431
432#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
433#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
434#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
435#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
436
437#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
438#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
439
440#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
441
442#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
443#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
444#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
445
446#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
447#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
448#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
449#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
450#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
451 struct in6_rrenumreq) /* change */
452#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
453 struct in6_rrenumreq) /* set global */
454
455#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
456 struct sioc_sg_req6) /* get s,g pkt cnt */
457#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
458 struct sioc_mif_req6) /* get pkt cnt per if */
459
02809d29
PA
460#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
461#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
462
984263bc
MD
463#define IN6_IFF_ANYCAST 0x01 /* anycast address */
464#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
465#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
466#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
467#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
468#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
469 * (used only at first SIOC* call)
470 */
471#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
472#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
473#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
474 * XXX: this should be temporary.
475 */
476
477/* do not input/output */
478#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
479
480#ifdef _KERNEL
481#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
482#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
483#endif
484
485#ifdef _KERNEL
486extern struct in6_ifaddr *in6_ifaddr;
487
984263bc 488extern struct icmp6stat icmp6stat;
984263bc
MD
489#define in6_ifstat_inc(ifp, tag) \
490do { \
698ac46c
HS
491 if (ifp) \
492 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
984263bc
MD
493} while (0)
494
495extern struct ifqueue ip6intrq; /* IP6 packet input queue */
496extern struct in6_addr zeroin6_addr;
497extern u_char inet6ctlerrmap[];
498extern unsigned long in6_maxmtu;
499#ifdef MALLOC_DECLARE
500MALLOC_DECLARE(M_IPMADDR);
501#endif
502
503/*
504 * Macro for finding the internet address structure (in6_ifaddr) corresponding
505 * to a given interface (ifnet structure).
506 */
507
508#define IFP_TO_IA6(ifp, ia) \
509/* struct ifnet *ifp; */ \
510/* struct in6_ifaddr *ia; */ \
511do { \
b2632176
SZ
512 struct ifaddr_container *ifac; \
513 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \
514 if (!ifac->ifa->ifa_addr) \
984263bc 515 continue; \
b2632176 516 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \
984263bc
MD
517 break; \
518 } \
b2632176 519 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \
984263bc
MD
520} while (0)
521
522#endif /* _KERNEL */
523
524/*
525 * Multi-cast membership entry. One for each group/ifp that a PCB
526 * belongs to.
527 */
528struct in6_multi_mship {
529 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
530 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
531};
532
533struct in6_multi {
534 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
535 struct in6_addr in6m_addr; /* IP6 multicast address */
536 struct ifnet *in6m_ifp; /* back pointer to ifnet */
537 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
538 u_int in6m_refcount; /* # membership claims by sockets */
539 u_int in6m_state; /* state of the membership */
540 u_int in6m_timer; /* MLD6 listener report timer */
541};
542
543#ifdef _KERNEL
544extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
545
546/*
547 * Structure used by macros below to remember position when stepping through
548 * all of the in6_multi records.
549 */
550struct in6_multistep {
551 struct in6_ifaddr *i_ia;
552 struct in6_multi *i_in6m;
553};
554
555/*
556 * Macros for looking up the in6_multi record for a given IP6 multicast
557 * address on a given interface. If no matching record is found, "in6m"
558 * returns NLL.
559 */
560
561#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
562/* struct in6_addr addr; */ \
563/* struct ifnet *ifp; */ \
564/* struct in6_multi *in6m; */ \
565do { \
566 struct ifmultiaddr *ifma; \
441d34b2 567 TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { \
984263bc
MD
568 if (ifma->ifma_addr->sa_family == AF_INET6 \
569 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
570 &(addr))) \
571 break; \
572 } \
573 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
574} while(0)
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; */ \
586do { \
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 */ \
594do { \
595 (step).i_in6m = in6_multihead.lh_first; \
596 IN6_NEXT_MULTI((step), (in6m)); \
597} while(0)
598
56d702cc
RG
599struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *,
600 int *);
601void in6_delmulti (struct in6_multi *);
0d16ba1d
MD
602struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
603int in6_leavegroup(struct in6_multi_mship *);
604
56d702cc
RG
605extern int in6_ifindex2scopeid (int);
606extern int in6_mask2len (struct in6_addr *, u_char *);
607extern void in6_len2mask (struct in6_addr *, int);
608int in6_control (struct socket *,
609 u_long, caddr_t, struct ifnet *, struct thread *);
610int in6_update_ifa (struct ifnet *, struct in6_aliasreq *,
611 struct in6_ifaddr *);
612void in6_purgeaddr (struct ifaddr *);
613int in6if_do_dad (struct ifnet *);
614void in6_purgeif (struct ifnet *);
615void in6_savemkludge (struct in6_ifaddr *);
698ac46c
HS
616void *in6_domifattach (struct ifnet *);
617void in6_domifdetach (struct ifnet *, void *);
56d702cc
RG
618void in6_setmaxmtu (void);
619void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *);
620void in6_purgemkludge (struct ifnet *);
621struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int);
622struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *,
623 struct in6_addr *);
100c1c44
HT
624struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *,
625 const struct in6_addr *);
56d702cc
RG
626char *ip6_sprintf (const struct in6_addr *);
627int in6_addr2scopeid (struct ifnet *, struct in6_addr *);
628int in6_matchlen (struct in6_addr *, struct in6_addr *);
629int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2,
630 int len);
631void in6_prefixlen2mask (struct in6_addr *maskp, int len);
632int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data,
633 struct ifnet *ifp);
634int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia);
635void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia);
636void in6_purgeprefix (struct ifnet *);
0d16ba1d
MD
637void in6_ifremloop(struct ifaddr *);
638void in6_ifaddloop(struct ifaddr *);
56d702cc
RG
639
640int in6_is_addr_deprecated (struct sockaddr_in6 *);
984263bc 641struct inpcb;
56d702cc
RG
642int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *,
643 struct inpcb *, struct ifnet **);
644int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *,
645 struct ifnet *);
646void in6_clearscope (struct in6_addr *);
02809d29 647int in6_src_ioctl (u_long, caddr_t);
984263bc
MD
648#endif /* _KERNEL */
649
650#endif /* _NETINET6_IN6_VAR_H_ */