2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $
33 * Copyright (c) 1985, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
64 #ifndef _NETINET6_IN6_VAR_H_
65 #define _NETINET6_IN6_VAR_H_
68 * Interface address, Internet version. One of these structures
69 * is allocated for each interface with an Internet address.
70 * The ifaddr structure contains the protocol-independent part
71 * of the structure and is assumed to be first.
75 * pltime/vltime are just for future reference (required to implements 2
76 * hour rule for hosts). they should never be modified by nd6_timeout or
78 * userland -> kernel: accept pltime/vltime
79 * kernel -> userland: throw up everything
80 * in kernel: modify preferred/expire only
82 struct in6_addrlifetime {
83 time_t ia6t_expire; /* valid lifetime expiration time */
84 time_t ia6t_preferred; /* preferred lifetime expiration time */
85 u_int32_t ia6t_vltime; /* valid lifetime */
86 u_int32_t ia6t_pltime; /* prefix lifetime */
92 struct in6_ifstat *in6_ifstat;
93 struct icmp6_ifstat *icmp6_ifstat;
94 struct nd_ifinfo *nd_ifinfo;
95 struct scope6_id *scope6_id;
99 struct ifaddr ia_ifa; /* protocol-independent info */
100 #define ia_ifp ia_ifa.ifa_ifp
101 #define ia_flags ia_ifa.ifa_flags
102 struct sockaddr_in6 ia_addr; /* interface address */
103 struct sockaddr_in6 ia_net; /* network number of interface */
104 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
105 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
106 u_int32_t ia_plen; /* prefix length */
107 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
110 struct in6_addrlifetime ia6_lifetime;
111 time_t ia6_createtime; /* the creation time of this address, which is
112 * currently used for temporary addresses only.
114 time_t ia6_updatetime;
116 /* back pointer to the ND prefix (for autoconfigured addresses only) */
117 struct nd_prefix *ia6_ndpr;
119 /* multicast addresses joined from the kernel */
120 LIST_HEAD(, in6_multi_mship) ia6_memberships;
123 /* control structure to manage address selection policy */
124 struct in6_addrpolicy {
125 struct sockaddr_in6 addr; /* prefix address */
126 struct sockaddr_in6 addrmask; /* prefix mask */
127 int preced; /* precedence */
128 int label; /* matching label */
129 u_quad_t use; /* statistics */
133 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
136 u_quad_t ifs6_in_receive; /* # of total input datagram */
137 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
138 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
139 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
140 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
141 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
142 /* NOTE: increment on final dst if */
143 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
144 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
145 /* NOTE: fragment timeout is not here */
146 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
147 /* NOTE: increment on final dst if */
148 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
149 /* NOTE: increment on outgoing if */
150 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
151 /* NOTE: does not include forwrads */
152 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
153 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
154 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
155 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
156 /* NOTE: this is # after fragment */
157 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
158 /* NOTE: increment on final dst if */
159 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
160 /* NOTE: this is # after reass */
161 /* NOTE: increment on final dst if */
162 u_quad_t ifs6_reass_fail; /* # of reass failures */
163 /* NOTE: may not be packet count */
164 /* NOTE: increment on final dst if */
165 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
166 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
170 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
171 * XXX: I'm not sure if this file is the right place for this structure...
173 struct icmp6_ifstat {
177 /* ipv6IfIcmpInMsgs, total # of input messages */
178 u_quad_t ifs6_in_msg;
179 /* ipv6IfIcmpInErrors, # of input error messages */
180 u_quad_t ifs6_in_error;
181 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
182 u_quad_t ifs6_in_dstunreach;
183 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
184 u_quad_t ifs6_in_adminprohib;
185 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
186 u_quad_t ifs6_in_timeexceed;
187 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
188 u_quad_t ifs6_in_paramprob;
189 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
190 u_quad_t ifs6_in_pkttoobig;
191 /* ipv6IfIcmpInEchos, # of input echo requests */
192 u_quad_t ifs6_in_echo;
193 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
194 u_quad_t ifs6_in_echoreply;
195 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
196 u_quad_t ifs6_in_routersolicit;
197 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
198 u_quad_t ifs6_in_routeradvert;
199 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
200 u_quad_t ifs6_in_neighborsolicit;
201 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
202 u_quad_t ifs6_in_neighboradvert;
203 /* ipv6IfIcmpInRedirects, # of input redirects */
204 u_quad_t ifs6_in_redirect;
205 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
206 u_quad_t ifs6_in_mldquery;
207 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
208 u_quad_t ifs6_in_mldreport;
209 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
210 u_quad_t ifs6_in_mlddone;
213 * Output statistics. We should solve unresolved routing problem...
215 /* ipv6IfIcmpOutMsgs, total # of output messages */
216 u_quad_t ifs6_out_msg;
217 /* ipv6IfIcmpOutErrors, # of output error messages */
218 u_quad_t ifs6_out_error;
219 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
220 u_quad_t ifs6_out_dstunreach;
221 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
222 u_quad_t ifs6_out_adminprohib;
223 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
224 u_quad_t ifs6_out_timeexceed;
225 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
226 u_quad_t ifs6_out_paramprob;
227 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
228 u_quad_t ifs6_out_pkttoobig;
229 /* ipv6IfIcmpOutEchos, # of output echo requests */
230 u_quad_t ifs6_out_echo;
231 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
232 u_quad_t ifs6_out_echoreply;
233 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
234 u_quad_t ifs6_out_routersolicit;
235 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
236 u_quad_t ifs6_out_routeradvert;
237 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
238 u_quad_t ifs6_out_neighborsolicit;
239 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
240 u_quad_t ifs6_out_neighboradvert;
241 /* ipv6IfIcmpOutRedirects, # of output redirects */
242 u_quad_t ifs6_out_redirect;
243 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
244 u_quad_t ifs6_out_mldquery;
245 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
246 u_quad_t ifs6_out_mldreport;
247 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
248 u_quad_t ifs6_out_mlddone;
252 char ifr_name[IFNAMSIZ];
254 struct sockaddr_in6 ifru_addr;
255 struct sockaddr_in6 ifru_dstaddr;
260 struct in6_addrlifetime ifru_lifetime;
261 struct in6_ifstat ifru_stat;
262 struct icmp6_ifstat ifru_icmp6stat;
263 u_int32_t ifru_scope_id[16];
267 struct in6_aliasreq {
268 char ifra_name[IFNAMSIZ];
269 struct sockaddr_in6 ifra_addr;
270 struct sockaddr_in6 ifra_dstaddr;
271 struct sockaddr_in6 ifra_prefixmask;
273 struct in6_addrlifetime ifra_lifetime;
276 /* prefix type macro */
277 #define IN6_PREFIX_ND 1
278 #define IN6_PREFIX_RR 2
281 * prefix related flags passed between kernel(NDP related part) and
282 * user land command(ifconfig) and daemon(rtadvd).
287 u_char autonomous : 1;
290 u_char prf_reserved1;
291 u_short prf_reserved2;
292 /* want to put this on 4byte offset */
294 u_char decrvalid : 1;
295 u_char decrprefd : 1;
298 u_char prf_reserved3;
299 u_short prf_reserved4;
302 struct in6_prefixreq {
303 char ipr_name[IFNAMSIZ];
306 u_int32_t ipr_vltime;
307 u_int32_t ipr_pltime;
308 struct in6_prflags ipr_flags;
309 struct sockaddr_in6 ipr_prefix;
314 #define PR_ORIG_STATIC 2
315 #define PR_ORIG_KERNEL 3
317 #define ipr_raf_onlink ipr_flags.prf_ra.onlink
318 #define ipr_raf_auto ipr_flags.prf_ra.autonomous
320 #define ipr_statef_onlink ipr_flags.prf_state.onlink
322 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
323 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
325 struct in6_rrenumreq {
326 char irr_name[IFNAMSIZ];
328 u_char irr_m_len; /* match len for matchprefix */
329 u_char irr_m_minlen; /* minlen for matching prefix */
330 u_char irr_m_maxlen; /* maxlen for matching prefix */
331 u_char irr_u_uselen; /* uselen for adding prefix */
332 u_char irr_u_keeplen; /* keeplen from matching prefix */
333 struct irr_raflagmask {
335 u_char autonomous : 1;
338 u_int32_t irr_vltime;
339 u_int32_t irr_pltime;
340 struct in6_prflags irr_flags;
341 struct sockaddr_in6 irr_matchprefix;
342 struct sockaddr_in6 irr_useprefix;
345 #define irr_raf_mask_onlink irr_raflagmask.onlink
346 #define irr_raf_mask_auto irr_raflagmask.autonomous
347 #define irr_raf_mask_reserved irr_raflagmask.reserved
349 #define irr_raf_onlink irr_flags.prf_ra.onlink
350 #define irr_raf_auto irr_flags.prf_ra.autonomous
352 #define irr_statef_onlink irr_flags.prf_state.onlink
354 #define irr_rrf irr_flags.prf_rr
355 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
356 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
359 * Given a pointer to an in6_ifaddr (ifaddr),
360 * return a pointer to the addr as a sockaddr_in6
362 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
363 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
364 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
365 #define IA6_SIN6(ia) (&((ia)->ia_addr))
366 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
367 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
368 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
370 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
373 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
374 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
375 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
376 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
377 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
380 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
381 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
385 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
386 * we do not shift numbers for binary compatibility.
388 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
389 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
392 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
393 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
395 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
396 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
398 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
399 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
400 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
402 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
404 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
406 /* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
407 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
410 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
412 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
413 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
414 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
415 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
416 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
417 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
419 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
420 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
421 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
422 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
424 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
425 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
427 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
429 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
430 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
431 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
433 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
434 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
435 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
436 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
437 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
438 struct in6_rrenumreq) /* change */
439 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
440 struct in6_rrenumreq) /* set global */
442 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
443 struct sioc_sg_req6) /* get s,g pkt cnt */
444 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
445 struct sioc_mif_req6) /* get pkt cnt per if */
447 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
448 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
450 #define IN6_IFF_ANYCAST 0x01 /* anycast address */
451 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */
452 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
453 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
454 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
455 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
456 * (used only at first SIOC* call)
458 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
459 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
460 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
461 * XXX: this should be temporary.
464 /* do not input/output */
465 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
468 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
469 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
473 extern struct in6_ifaddr *in6_ifaddr;
475 extern struct icmp6stat icmp6stat;
476 #define in6_ifstat_inc(ifp, tag) \
479 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
480 } while (/*CONSTCOND*/ 0)
482 extern struct in6_addr zeroin6_addr;
483 extern u_char inet6ctlerrmap[];
484 extern unsigned long in6_maxmtu;
485 #ifdef MALLOC_DECLARE
486 MALLOC_DECLARE(M_IP6MADDR);
487 #endif /* MALLOC_DECLARE */
490 * Macro for finding the internet address structure (in6_ifaddr) corresponding
491 * to a given interface (ifnet structure).
494 #define IFP_TO_IA6(ifp, ia) \
495 /* struct ifnet *ifp; */ \
496 /* struct in6_ifaddr *ia; */ \
498 struct ifaddr *ifa; \
499 TAILQ_FOREACH(ifa, &(ifp)->if_addrlist, ifa_list) { \
500 if (ifa->ifa_addr->sa_family == AF_INET6) \
503 (ia) = (struct in6_ifaddr *)ifa; \
504 } while (/*CONSTCOND*/ 0)
509 * Multi-cast membership entry. One for each group/ifp that a PCB
512 struct in6_multi_mship {
513 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
514 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
518 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
519 struct in6_addr in6m_addr; /* IP6 multicast address */
520 struct ifnet *in6m_ifp; /* back pointer to ifnet */
521 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
522 u_int in6m_refcount; /* # membership claims by sockets */
523 u_int in6m_state; /* state of the membership */
524 u_int in6m_timer; /* MLD6 listener report timer */
525 struct timeval in6m_timer_expire; /* when the timer expires */
526 struct callout *in6m_timer_ch;
529 #define IN6M_TIMER_UNDEF -1
532 /* flags to in6_update_ifa */
533 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
535 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
538 * Structure used by macros below to remember position when stepping through
539 * all of the in6_multi records.
541 struct in6_multistep {
542 struct in6_ifaddr *i_ia;
543 struct in6_multi *i_in6m;
547 * Macros for looking up the in6_multi record for a given IP6 multicast
548 * address on a given interface. If no matching record is found, "in6m"
552 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
553 /* struct in6_addr addr; */ \
554 /* struct ifnet *ifp; */ \
555 /* struct in6_multi *in6m; */ \
557 struct ifmultiaddr *ifma; \
559 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \
560 if (ifma->ifma_addr->sa_family == AF_INET6 \
561 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
565 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
566 IF_ADDR_UNLOCK(ifp); \
570 * Macro to step through all of the in6_multi records, one at a time.
571 * The current position is remembered in "step", which the caller must
572 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
573 * and get the first record. Both macros return a NULL "in6m" when there
574 * are no remaining records.
576 #define IN6_NEXT_MULTI(step, in6m) \
577 /* struct in6_multistep step; */ \
578 /* struct in6_multi *in6m; */ \
580 if (((in6m) = (step).i_in6m) != NULL) \
581 (step).i_in6m = LIST_NEXT((step).i_in6m, in6m_entry); \
584 #define IN6_FIRST_MULTI(step, in6m) \
585 /* struct in6_multistep step; */ \
586 /* struct in6_multi *in6m */ \
588 (step).i_in6m = LIST_FIRST(&in6_multihead); \
589 IN6_NEXT_MULTI((step), (in6m)); \
592 struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
594 void in6_delmulti __P((struct in6_multi *));
595 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int);
596 int in6_leavegroup(struct in6_multi_mship *);
597 int in6_mask2len __P((struct in6_addr *, u_char *));
598 int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
600 int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
601 struct in6_ifaddr *, int));
602 void in6_purgeaddr __P((struct ifaddr *));
603 int in6if_do_dad __P((struct ifnet *));
604 void in6_purgeif __P((struct ifnet *));
605 void in6_savemkludge __P((struct in6_ifaddr *));
606 void *in6_domifattach __P((struct ifnet *));
607 void in6_domifdetach __P((struct ifnet *, void *));
608 void in6_setmaxmtu __P((void));
609 int in6_if2idlen __P((struct ifnet *));
610 void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
611 void in6_purgemkludge __P((struct ifnet *));
612 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
613 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
614 char *ip6_sprintf __P((char *, const struct in6_addr *));
615 int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
616 int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
617 int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
618 void in6_prefixlen2mask __P((struct in6_addr *, int));
619 int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
621 int in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
622 void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
623 void in6_purgeprefix __P((struct ifnet *));
624 void in6_ifremloop(struct ifaddr *);
625 void in6_ifaddloop(struct ifaddr *);
627 int in6_is_addr_deprecated __P((struct sockaddr_in6 *));
629 int in6_src_ioctl __P((u_long, caddr_t));
632 #endif /* _NETINET6_IN6_VAR_H_ */