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 $ */
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66 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
69 #ifndef _NETINET6_IN6_VAR_H_
70 #define _NETINET6_IN6_VAR_H_
73 #include <sys/types.h>
75 #ifndef _SYS_IOCCOM_H_
76 #include <sys/ioccom.h>
81 #ifndef _NET_IF_VAR_H_
82 #include <net/if_var.h>
84 #ifndef _NETINET_IN_H_
85 #include <netinet/in.h>
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.
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
99 * userland -> kernel: accept pltime/vltime
100 * kernel -> userland: throw up everything
101 * in kernel: modify preferred/expire only
103 struct 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 */
114 struct in6_ifstat *in6_ifstat;
115 struct icmp6_ifstat *icmp6_ifstat;
116 struct nd_ifinfo *nd_ifinfo;
117 struct scope6_id *scope6_id;
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 */
132 struct in6_addrlifetime ia6_lifetime;
133 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix
134 * (for autoconfigured addresses only)
138 /* control structure to manage address selection policy */
139 struct in6_addrpolicy {
140 struct sockaddr_in6 addr; /* prefix address */
141 struct sockaddr_in6 addrmask; /* prefix mask */
142 int preced; /* precedence */
143 int label; /* matching label */
144 u_quad_t use; /* statistics */
148 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
151 u_quad_t ifs6_in_receive; /* # of total input datagram */
152 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
153 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
154 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
155 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
156 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
157 /* NOTE: increment on final dst if */
158 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
159 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
160 /* NOTE: fragment timeout is not here */
161 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
162 /* NOTE: increment on final dst if */
163 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
164 /* NOTE: increment on outgoing if */
165 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
166 /* NOTE: does not include forwrads */
167 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
168 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
169 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
170 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
171 /* NOTE: this is # after fragment */
172 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
173 /* NOTE: increment on final dst if */
174 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
175 /* NOTE: this is # after reass */
176 /* NOTE: increment on final dst if */
177 u_quad_t ifs6_reass_fail; /* # of reass failures */
178 /* NOTE: may not be packet count */
179 /* NOTE: increment on final dst if */
180 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
181 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
185 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
186 * XXX: I'm not sure if this file is the right place for this structure...
188 struct icmp6_ifstat {
192 /* ipv6IfIcmpInMsgs, total # of input messages */
193 u_quad_t ifs6_in_msg;
194 /* ipv6IfIcmpInErrors, # of input error messages */
195 u_quad_t ifs6_in_error;
196 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
197 u_quad_t ifs6_in_dstunreach;
198 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
199 u_quad_t ifs6_in_adminprohib;
200 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
201 u_quad_t ifs6_in_timeexceed;
202 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
203 u_quad_t ifs6_in_paramprob;
204 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
205 u_quad_t ifs6_in_pkttoobig;
206 /* ipv6IfIcmpInEchos, # of input echo requests */
207 u_quad_t ifs6_in_echo;
208 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
209 u_quad_t ifs6_in_echoreply;
210 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
211 u_quad_t ifs6_in_routersolicit;
212 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
213 u_quad_t ifs6_in_routeradvert;
214 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
215 u_quad_t ifs6_in_neighborsolicit;
216 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
217 u_quad_t ifs6_in_neighboradvert;
218 /* ipv6IfIcmpInRedirects, # of input redirects */
219 u_quad_t ifs6_in_redirect;
220 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
221 u_quad_t ifs6_in_mldquery;
222 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
223 u_quad_t ifs6_in_mldreport;
224 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
225 u_quad_t ifs6_in_mlddone;
228 * Output statistics. We should solve unresolved routing problem...
230 /* ipv6IfIcmpOutMsgs, total # of output messages */
231 u_quad_t ifs6_out_msg;
232 /* ipv6IfIcmpOutErrors, # of output error messages */
233 u_quad_t ifs6_out_error;
234 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
235 u_quad_t ifs6_out_dstunreach;
236 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
237 u_quad_t ifs6_out_adminprohib;
238 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
239 u_quad_t ifs6_out_timeexceed;
240 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
241 u_quad_t ifs6_out_paramprob;
242 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
243 u_quad_t ifs6_out_pkttoobig;
244 /* ipv6IfIcmpOutEchos, # of output echo requests */
245 u_quad_t ifs6_out_echo;
246 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
247 u_quad_t ifs6_out_echoreply;
248 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
249 u_quad_t ifs6_out_routersolicit;
250 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
251 u_quad_t ifs6_out_routeradvert;
252 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
253 u_quad_t ifs6_out_neighborsolicit;
254 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
255 u_quad_t ifs6_out_neighboradvert;
256 /* ipv6IfIcmpOutRedirects, # of output redirects */
257 u_quad_t ifs6_out_redirect;
258 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
259 u_quad_t ifs6_out_mldquery;
260 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
261 u_quad_t ifs6_out_mldreport;
262 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
263 u_quad_t ifs6_out_mlddone;
267 char ifr_name[IFNAMSIZ];
269 struct sockaddr_in6 ifru_addr;
270 struct sockaddr_in6 ifru_dstaddr;
275 struct in6_addrlifetime ifru_lifetime;
276 struct in6_ifstat ifru_stat;
277 struct icmp6_ifstat ifru_icmp6stat;
278 u_int32_t ifru_scope_id[16];
282 struct in6_aliasreq {
283 char ifra_name[IFNAMSIZ];
284 struct sockaddr_in6 ifra_addr;
285 struct sockaddr_in6 ifra_dstaddr;
286 struct sockaddr_in6 ifra_prefixmask;
288 struct in6_addrlifetime ifra_lifetime;
291 /* prefix type macro */
292 #define IN6_PREFIX_ND 1
293 #define IN6_PREFIX_RR 2
296 * prefix related flags passed between kernel(NDP related part) and
297 * user land command(ifconfig) and daemon(rtadvd).
302 u_char autonomous : 1;
305 u_char prf_reserved1;
306 u_short prf_reserved2;
307 /* want to put this on 4byte offset */
309 u_char decrvalid : 1;
310 u_char decrprefd : 1;
313 u_char prf_reserved3;
314 u_short prf_reserved4;
317 struct in6_prefixreq {
318 char ipr_name[IFNAMSIZ];
321 u_int32_t ipr_vltime;
322 u_int32_t ipr_pltime;
323 struct in6_prflags ipr_flags;
324 struct sockaddr_in6 ipr_prefix;
329 #define PR_ORIG_STATIC 2
330 #define PR_ORIG_KERNEL 3
332 #define ipr_raf_onlink ipr_flags.prf_ra.onlink
333 #define ipr_raf_auto ipr_flags.prf_ra.autonomous
335 #define ipr_statef_onlink ipr_flags.prf_state.onlink
337 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
338 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
340 struct in6_rrenumreq {
341 char irr_name[IFNAMSIZ];
343 u_char irr_m_len; /* match len for matchprefix */
344 u_char irr_m_minlen; /* minlen for matching prefix */
345 u_char irr_m_maxlen; /* maxlen for matching prefix */
346 u_char irr_u_uselen; /* uselen for adding prefix */
347 u_char irr_u_keeplen; /* keeplen from matching prefix */
348 struct irr_raflagmask {
350 u_char autonomous : 1;
353 u_int32_t irr_vltime;
354 u_int32_t irr_pltime;
355 struct in6_prflags irr_flags;
356 struct sockaddr_in6 irr_matchprefix;
357 struct sockaddr_in6 irr_useprefix;
360 #define irr_raf_mask_onlink irr_raflagmask.onlink
361 #define irr_raf_mask_auto irr_raflagmask.autonomous
362 #define irr_raf_mask_reserved irr_raflagmask.reserved
364 #define irr_raf_onlink irr_flags.prf_ra.onlink
365 #define irr_raf_auto irr_flags.prf_ra.autonomous
367 #define irr_statef_onlink irr_flags.prf_state.onlink
369 #define irr_rrf irr_flags.prf_rr
370 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
371 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
374 * Given a pointer to an in6_ifaddr (ifaddr),
375 * return a pointer to the addr as a sockaddr_in6
377 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
378 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
379 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
380 #define IA6_SIN6(ia) (&((ia)->ia_addr))
381 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
382 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
383 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
385 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
388 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
389 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
390 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
391 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
392 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
395 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
396 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
400 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
401 * we do not shift numbers for binary compatibility.
403 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
404 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
407 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
408 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
410 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
411 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
413 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
414 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
415 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
417 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
419 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
420 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
422 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
424 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
425 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
426 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
427 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
428 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
430 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
431 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
432 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
433 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
435 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
436 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
438 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
440 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
441 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
442 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
444 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
445 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
446 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
447 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
448 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
449 struct in6_rrenumreq) /* change */
450 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
451 struct in6_rrenumreq) /* set global */
453 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
454 struct sioc_sg_req6) /* get s,g pkt cnt */
455 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
456 struct sioc_mif_req6) /* get pkt cnt per if */
458 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
459 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
461 #define IN6_IFF_ANYCAST 0x01 /* anycast address */
462 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */
463 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
464 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
465 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
466 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
467 * (used only at first SIOC* call)
469 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
470 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
471 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
472 * XXX: this should be temporary.
475 /* do not input/output */
476 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
479 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
480 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
484 extern struct in6_ifaddr *in6_ifaddr;
486 extern struct icmp6stat icmp6stat;
487 #define in6_ifstat_inc(ifp, tag) \
489 struct in6_ifextra *xtra; \
490 if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL) \
491 xtra->in6_ifstat->tag++; \
494 extern struct ifqueue ip6intrq; /* IP6 packet input queue */
495 extern struct in6_addr zeroin6_addr;
496 extern u_char inet6ctlerrmap[];
497 extern unsigned long in6_maxmtu;
498 #ifdef MALLOC_DECLARE
499 MALLOC_DECLARE(M_IPMADDR);
503 * Macro for finding the internet address structure (in6_ifaddr) corresponding
504 * to a given interface (ifnet structure).
507 #define IFP_TO_IA6(ifp, ia) \
508 /* struct ifnet *ifp; */ \
509 /* struct in6_ifaddr *ia; */ \
511 struct ifaddr_container *ifac; \
512 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \
513 if (!ifac->ifa->ifa_addr) \
515 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \
518 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \
524 * Multi-cast membership entry. One for each group/ifp that a PCB
527 struct in6_multi_mship {
528 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
529 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
533 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
534 struct in6_addr in6m_addr; /* IP6 multicast address */
535 struct ifnet *in6m_ifp; /* back pointer to ifnet */
536 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
537 u_int in6m_refcount; /* # membership claims by sockets */
538 u_int in6m_state; /* state of the membership */
539 u_int in6m_timer; /* MLD6 listener report timer */
543 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
546 * Structure used by macros below to remember position when stepping through
547 * all of the in6_multi records.
549 struct in6_multistep {
550 struct in6_ifaddr *i_ia;
551 struct in6_multi *i_in6m;
555 * Look up the in6_multi record for a given IP6 multicast address on a given
556 * interface. If no matching record is found, NULL is returned.
558 static __inline struct in6_multi *
559 IN6_LOOKUP_MULTI(const struct in6_addr *_addr, struct ifnet *_ifp)
561 const struct ifmultiaddr *_ifma;
562 struct in6_multi *_in6m = NULL;
564 /* TODO: need ifnet_serialize_main */
565 ifnet_serialize_all(_ifp);
566 TAILQ_FOREACH(_ifma, &_ifp->if_multiaddrs, ifma_link) {
567 if (_ifma->ifma_addr->sa_family == AF_INET6 &&
569 &((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr,
571 _in6m = _ifma->ifma_protospec;
575 ifnet_deserialize_all(_ifp);
581 * Macro to step through all of the in6_multi records, one at a time.
582 * The current position is remembered in "step", which the caller must
583 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
584 * and get the first record. Both macros return a NULL "in6m" when there
585 * are no remaining records.
587 #define IN6_NEXT_MULTI(step, in6m) \
588 /* struct in6_multistep step; */ \
589 /* struct in6_multi *in6m; */ \
591 if (((in6m) = (step).i_in6m) != NULL) \
592 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
595 #define IN6_FIRST_MULTI(step, in6m) \
596 /* struct in6_multistep step; */ \
597 /* struct in6_multi *in6m */ \
599 (step).i_in6m = in6_multihead.lh_first; \
600 IN6_NEXT_MULTI((step), (in6m)); \
603 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *,
605 void in6_delmulti (struct in6_multi *);
606 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
607 int in6_leavegroup(struct in6_multi_mship *);
609 extern int in6_ifindex2scopeid (int);
610 int in6_mask2len(const struct in6_addr *, const u_char *);
611 extern void in6_len2mask (struct in6_addr *, int);
612 void in6_control_dispatch(netmsg_t msg);
613 int in6_control (u_long, caddr_t, struct ifnet *, struct thread *);
614 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *,
615 struct in6_ifaddr *);
616 void in6_purgeaddr (struct ifaddr *);
617 int in6if_do_dad (struct ifnet *);
618 void in6_purgeif (struct ifnet *);
619 void in6_savemkludge (struct in6_ifaddr *);
620 void *in6_domifattach (struct ifnet *);
621 void in6_domifdetach (struct ifnet *, void *);
622 void in6_setmaxmtu (void);
623 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *);
624 void in6_purgemkludge (struct ifnet *);
625 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int);
626 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *,
628 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *,
629 const struct in6_addr *);
630 struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *);
631 char *ip6_sprintf (const struct in6_addr *);
632 int in6_addr2scopeid (struct ifnet *, struct in6_addr *);
633 int in6_matchlen (struct in6_addr *, struct in6_addr *);
634 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2,
636 void in6_prefixlen2mask (struct in6_addr *maskp, int len);
637 void in6_ifremloop(struct ifaddr *);
638 void in6_ifaddloop(struct ifaddr *);
640 int in6_is_addr_deprecated (struct sockaddr_in6 *);
642 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *,
643 struct inpcb *, struct ifnet **);
644 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *,
646 void in6_clearscope (struct in6_addr *);
647 int in6_src_ioctl (u_long, caddr_t);
650 #endif /* _NETINET6_IN6_VAR_H_ */