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90 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
93 #ifndef _NETINET6_IN6_VAR_H_
94 #define _NETINET6_IN6_VAR_H_
95 #include <sys/appleapiopts.h>
97 #ifdef BSD_KERNEL_PRIVATE
99 #include <sys/mcache.h>
100 #include <netinet6/scope6_var.h>
101 #endif /* BSD_KERNEL_PRIVATE */
102 #include <sys/kern_event.h>
105 * pltime/vltime are just for future reference (required to implements 2
106 * hour rule for hosts). they should never be modified by nd6_timeout or
108 * userland -> kernel: accept pltime/vltime
109 * kernel -> userland: throw up everything
110 * in kernel: modify preferred/expire only
112 struct in6_addrlifetime
{
113 time_t ia6t_expire
; /* valid lifetime expiration time */
114 time_t ia6t_preferred
; /* preferred lifetime expiration time */
115 u_int32_t ia6t_vltime
; /* valid lifetime */
116 u_int32_t ia6t_pltime
; /* prefix lifetime */
119 #ifdef BSD_KERNEL_PRIVATE
120 struct in6_addrlifetime_32
{
121 u_int32_t ia6t_expire
;
122 u_int32_t ia6t_preferred
;
123 u_int32_t ia6t_vltime
;
124 u_int32_t ia6t_pltime
;
127 struct in6_addrlifetime_64
{
128 u_int64_t ia6t_expire
;
129 u_int64_t ia6t_preferred
;
130 u_int32_t ia6t_vltime
;
131 u_int32_t ia6t_pltime
;
135 * Internal representation of ia6_lifetime (expiration in uptime unit)
137 struct in6_addrlifetime_i
{
138 u_int64_t ia6ti_expire
; /* valid lifetime expiration time */
139 u_int64_t ia6ti_preferred
; /* preferred lifetime expiration time */
140 u_int32_t ia6ti_vltime
; /* valid lifetime */
141 u_int32_t ia6ti_pltime
; /* prefix lifetime */
142 u_int64_t ia6ti_base_calendartime
; /* calendar time at creation */
143 u_int64_t ia6ti_base_uptime
; /* uptime at creation */
147 * Interface address, IPv6 version. One of these structures
148 * is allocated for each interface with an IPv6 address.
149 * The ifaddr structure contains the protocol-independent part
150 * of the structure and is assumed to be first.
154 struct ifaddr ia_ifa
; /* protocol-independent info */
155 #define ia_ifp ia_ifa.ifa_ifp
156 #define ia_flags ia_ifa.ifa_flags
157 struct sockaddr_in6 ia_addr
; /* interface address */
158 struct sockaddr_in6 ia_net
; /* network number of interface */
159 struct sockaddr_in6 ia_dstaddr
; /* space for destination addr */
160 struct sockaddr_in6 ia_prefixmask
; /* prefix mask */
161 u_int32_t ia_plen
; /* prefix length */
162 struct in6_ifaddr
*ia_next
; /* next in6 list of IP6 addresses */
165 struct in6_addrlifetime_i ia6_lifetime
;
167 * the creation time of this address, which is
168 * currently used for temporary addresses only.
170 u_int64_t ia6_createtime
;
171 u_int64_t ia6_updatetime
;
173 struct ifprefix
*ia6_ifpr
; /* back pointer to ifprefix */
175 /* back pointer to the ND prefix (for autoconfigured addresses only) */
176 struct nd_prefix
*ia6_ndpr
;
178 /* multicast addresses joined from the kernel */
179 LIST_HEAD(, in6_multi_mship
) ia6_memberships
;
182 #define ifatoia6(ifa) ((struct in6_ifaddr *)(void *)(ifa))
183 #endif /* BSD_KERNEL_PRIVATE */
185 /* control structure to manage address selection policy */
186 struct in6_addrpolicy
{
187 struct sockaddr_in6 addr
; /* prefix address */
188 struct sockaddr_in6 addrmask
; /* prefix mask */
189 int preced
; /* precedence */
190 int label
; /* matching label */
191 u_quad_t use
; /* statistics */
195 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
198 u_quad_t ifs6_in_receive
; /* # of total input datagram */
199 u_quad_t ifs6_in_hdrerr
; /* # of datagrams with invalid hdr */
200 u_quad_t ifs6_in_toobig
; /* # of datagrams exceeded MTU */
201 u_quad_t ifs6_in_noroute
; /* # of datagrams with no route */
202 u_quad_t ifs6_in_addrerr
; /* # of datagrams with invalid dst */
203 u_quad_t ifs6_in_protounknown
; /* # of datagrams with unknown proto */
204 /* NOTE: increment on final dst if */
205 u_quad_t ifs6_in_truncated
; /* # of truncated datagrams */
206 u_quad_t ifs6_in_discard
; /* # of discarded datagrams */
207 /* NOTE: fragment timeout is not here */
208 u_quad_t ifs6_in_deliver
; /* # of datagrams delivered to ULP */
209 /* NOTE: increment on final dst if */
210 u_quad_t ifs6_out_forward
; /* # of datagrams forwarded */
211 /* NOTE: increment on outgoing if */
212 u_quad_t ifs6_out_request
; /* # of outgoing datagrams from ULP */
213 /* NOTE: does not include forwrads */
214 u_quad_t ifs6_out_discard
; /* # of discarded datagrams */
215 u_quad_t ifs6_out_fragok
; /* # of datagrams fragmented */
216 u_quad_t ifs6_out_fragfail
; /* # of datagrams failed on fragment */
217 u_quad_t ifs6_out_fragcreat
; /* # of fragment datagrams */
218 /* NOTE: this is # after fragment */
219 u_quad_t ifs6_reass_reqd
; /* # of incoming fragmented packets */
220 /* NOTE: increment on final dst if */
221 u_quad_t ifs6_reass_ok
; /* # of reassembled packets */
222 /* NOTE: this is # after reass */
223 /* NOTE: increment on final dst if */
224 u_quad_t ifs6_reass_fail
; /* # of reass failures */
225 /* NOTE: may not be packet count */
226 /* NOTE: increment on final dst if */
227 u_quad_t ifs6_in_mcast
; /* # of inbound multicast datagrams */
228 u_quad_t ifs6_out_mcast
; /* # of outbound multicast datagrams */
232 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
233 * XXX: I'm not sure if this file is the right place for this structure...
235 struct icmp6_ifstat
{
239 /* ipv6IfIcmpInMsgs, total # of input messages */
240 u_quad_t ifs6_in_msg
;
241 /* ipv6IfIcmpInErrors, # of input error messages */
242 u_quad_t ifs6_in_error
;
243 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
244 u_quad_t ifs6_in_dstunreach
;
245 /* ipv6IfIcmpInAdminProhibs, # of input admin. prohibited errs */
246 u_quad_t ifs6_in_adminprohib
;
247 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
248 u_quad_t ifs6_in_timeexceed
;
249 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
250 u_quad_t ifs6_in_paramprob
;
251 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
252 u_quad_t ifs6_in_pkttoobig
;
253 /* ipv6IfIcmpInEchos, # of input echo requests */
254 u_quad_t ifs6_in_echo
;
255 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
256 u_quad_t ifs6_in_echoreply
;
257 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
258 u_quad_t ifs6_in_routersolicit
;
259 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
260 u_quad_t ifs6_in_routeradvert
;
261 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
262 u_quad_t ifs6_in_neighborsolicit
;
263 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advs. */
264 u_quad_t ifs6_in_neighboradvert
;
265 /* ipv6IfIcmpInRedirects, # of input redirects */
266 u_quad_t ifs6_in_redirect
;
267 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
268 u_quad_t ifs6_in_mldquery
;
269 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
270 u_quad_t ifs6_in_mldreport
;
271 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
272 u_quad_t ifs6_in_mlddone
;
275 * Output statistics. We should solve unresolved routing problem...
277 /* ipv6IfIcmpOutMsgs, total # of output messages */
278 u_quad_t ifs6_out_msg
;
279 /* ipv6IfIcmpOutErrors, # of output error messages */
280 u_quad_t ifs6_out_error
;
281 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
282 u_quad_t ifs6_out_dstunreach
;
283 /* ipv6IfIcmpOutAdminProhibs, # of output admin. prohibited errs */
284 u_quad_t ifs6_out_adminprohib
;
285 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
286 u_quad_t ifs6_out_timeexceed
;
287 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
288 u_quad_t ifs6_out_paramprob
;
289 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
290 u_quad_t ifs6_out_pkttoobig
;
291 /* ipv6IfIcmpOutEchos, # of output echo requests */
292 u_quad_t ifs6_out_echo
;
293 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
294 u_quad_t ifs6_out_echoreply
;
295 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
296 u_quad_t ifs6_out_routersolicit
;
297 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advs. */
298 u_quad_t ifs6_out_routeradvert
;
299 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
300 u_quad_t ifs6_out_neighborsolicit
;
301 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advs. */
302 u_quad_t ifs6_out_neighboradvert
;
303 /* ipv6IfIcmpOutRedirects, # of output redirects */
304 u_quad_t ifs6_out_redirect
;
305 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
306 u_quad_t ifs6_out_mldquery
;
307 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
308 u_quad_t ifs6_out_mldreport
;
309 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
310 u_quad_t ifs6_out_mlddone
;
313 #ifdef BSD_KERNEL_PRIVATE
315 * Per-interface IPv6 structures.
318 struct scope6_id scope6_id
;
319 struct in6_ifstat in6_ifstat
;
320 struct icmp6_ifstat icmp6_ifstat
;
322 #define IN6_IFEXTRA(_ifp) ((struct in6_ifextra *)(_ifp->if_inet6data))
323 #endif /* BSD_KERNEL_PRIVATE */
326 char ifr_name
[IFNAMSIZ
];
328 struct sockaddr_in6 ifru_addr
;
329 struct sockaddr_in6 ifru_dstaddr
;
335 struct in6_addrlifetime ifru_lifetime
;
336 struct in6_ifstat ifru_stat
;
337 struct icmp6_ifstat ifru_icmp6stat
;
338 u_int32_t ifru_scope_id
[16];
342 struct in6_aliasreq
{
343 char ifra_name
[IFNAMSIZ
];
344 struct sockaddr_in6 ifra_addr
;
345 struct sockaddr_in6 ifra_dstaddr
;
346 struct sockaddr_in6 ifra_prefixmask
;
348 struct in6_addrlifetime ifra_lifetime
;
352 #define IN6_CGA_MODIFIER_LENGTH 16
354 struct in6_cga_modifier
{
355 u_int8_t octets
[IN6_CGA_MODIFIER_LENGTH
];
358 struct in6_cga_prepare
{
359 struct in6_cga_modifier cga_modifier
;
360 u_int8_t cga_security_level
;
361 u_int8_t reserved_A
[15];
364 #define IN6_CGA_KEY_MAXSIZE 2048 /* octets */
366 struct in6_cga_nodecfg
{
367 struct iovec cga_privkey
;
368 struct iovec cga_pubkey
;
369 struct in6_cga_prepare cga_prepare
;
372 struct in6_llstartreq
{
373 char llsr_name
[IFNAMSIZ
];
375 struct in6_cga_prepare llsr_cgaprep
;
376 struct in6_addrlifetime llsr_lifetime
;
379 #ifdef BSD_KERNEL_PRIVATE
380 struct in6_llstartreq_32
{
381 char llsr_name
[IFNAMSIZ
];
383 struct in6_cga_prepare llsr_cgaprep
;
384 struct in6_addrlifetime_32 llsr_lifetime
;
387 struct in6_llstartreq_64
{
388 char llsr_name
[IFNAMSIZ
];
390 struct in6_cga_prepare llsr_cgaprep
;
391 struct in6_addrlifetime_64 llsr_lifetime
;
393 #endif /* !BSD_KERNEL_PRIVATE */
396 #ifdef BSD_KERNEL_PRIVATE
397 struct in6_aliasreq_32
{
398 char ifra_name
[IFNAMSIZ
];
399 struct sockaddr_in6 ifra_addr
;
400 struct sockaddr_in6 ifra_dstaddr
;
401 struct sockaddr_in6 ifra_prefixmask
;
403 struct in6_addrlifetime_32 ifra_lifetime
;
406 struct in6_aliasreq_64
{
407 char ifra_name
[IFNAMSIZ
];
408 struct sockaddr_in6 ifra_addr
;
409 struct sockaddr_in6 ifra_dstaddr
;
410 struct sockaddr_in6 ifra_prefixmask
;
412 struct in6_addrlifetime_64 ifra_lifetime
;
414 #endif /* BSD_KERNEL_PRIVATE */
416 /* prefix type macro */
417 #define IN6_PREFIX_ND 1
418 #define IN6_PREFIX_RR 2
421 * prefix related flags passed between kernel(NDP related part) and
422 * user land command(ifconfig) and daemon(rtadvd).
427 u_char autonomous
: 1;
430 u_char prf_reserved1
;
431 u_short prf_reserved2
;
432 /* want to put this on 4byte offset */
434 u_char decrvalid
: 1;
435 u_char decrprefd
: 1;
438 u_char prf_reserved3
;
439 u_short prf_reserved4
;
442 struct in6_prefixreq
{
443 char ipr_name
[IFNAMSIZ
];
446 u_int32_t ipr_vltime
;
447 u_int32_t ipr_pltime
;
448 struct in6_prflags ipr_flags
;
449 struct sockaddr_in6 ipr_prefix
;
454 #define PR_ORIG_STATIC 2
455 #define PR_ORIG_KERNEL 3
457 #define ipr_raf_onlink ipr_flags.prf_ra.onlink
458 #define ipr_raf_auto ipr_flags.prf_ra.autonomous
460 #define ipr_statef_onlink ipr_flags.prf_state.onlink
462 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
463 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
465 struct in6_rrenumreq
{
466 char irr_name
[IFNAMSIZ
];
468 u_char irr_m_len
; /* match len for matchprefix */
469 u_char irr_m_minlen
; /* minlen for matching prefix */
470 u_char irr_m_maxlen
; /* maxlen for matching prefix */
471 u_char irr_u_uselen
; /* uselen for adding prefix */
472 u_char irr_u_keeplen
; /* keeplen from matching prefix */
473 struct irr_raflagmask
{
475 u_char autonomous
: 1;
478 u_int32_t irr_vltime
;
479 u_int32_t irr_pltime
;
480 struct in6_prflags irr_flags
;
481 struct sockaddr_in6 irr_matchprefix
;
482 struct sockaddr_in6 irr_useprefix
;
485 #define irr_raf_mask_onlink irr_raflagmask.onlink
486 #define irr_raf_mask_auto irr_raflagmask.autonomous
487 #define irr_raf_mask_reserved irr_raflagmask.reserved
489 #define irr_raf_onlink irr_flags.prf_ra.onlink
490 #define irr_raf_auto irr_flags.prf_ra.autonomous
492 #define irr_statef_onlink irr_flags.prf_state.onlink
494 #define irr_rrf irr_flags.prf_rr
495 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
496 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
499 * Event data, inet6 style.
501 struct kev_in6_addrlifetime
{
502 u_int32_t ia6t_expire
;
503 u_int32_t ia6t_preferred
;
504 u_int32_t ia6t_vltime
;
505 u_int32_t ia6t_pltime
;
508 struct kev_in6_data
{
509 struct net_event_data link_data
;
510 struct sockaddr_in6 ia_addr
; /* interface address */
511 struct sockaddr_in6 ia_net
; /* network number of interface */
512 struct sockaddr_in6 ia_dstaddr
; /* space for destination addr */
513 struct sockaddr_in6 ia_prefixmask
; /* prefix mask */
514 u_int32_t ia_plen
; /* prefix length */
515 u_int32_t ia6_flags
; /* address flags from in6_ifaddr */
516 struct kev_in6_addrlifetime ia_lifetime
; /* address life info */
520 * Define inet6 event subclass and specific inet6 events.
522 #define KEV_INET6_SUBCLASS 6 /* inet6 subclass identifier */
524 #define KEV_INET6_NEW_USER_ADDR 1 /* Userland configured IPv6 address */
525 #define KEV_INET6_CHANGED_ADDR 2 /* Address changed event (future) */
526 #define KEV_INET6_ADDR_DELETED 3 /* IPv6 address was deleted */
527 #define KEV_INET6_NEW_LL_ADDR 4 /* Autoconf LL address appeared */
528 #define KEV_INET6_NEW_RTADV_ADDR 5 /* Autoconf address has appeared */
529 #define KEV_INET6_DEFROUTER 6 /* Default router detected */
531 #ifdef BSD_KERNEL_PRIVATE
532 /* Utility function used inside netinet6 kernel code for generating events */
533 void in6_post_msg(struct ifnet
*, u_int32_t
, struct in6_ifaddr
*);
535 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
536 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
537 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
538 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
539 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0)
542 * Given a pointer to an in6_ifaddr (ifaddr),
543 * return a pointer to the addr as a sockaddr_in6
545 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
546 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
547 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
548 #define IA6_SIN6(ia) (&((ia)->ia_addr))
549 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
551 (&((struct sockaddr_in6 *)(void *)((x)->ifa_addr))->sin6_addr)
552 #define IFA_DSTIN6(x) \
553 (&((struct sockaddr_in6 *)(void *)((x)->ifa_dstaddr))->sin6_addr)
554 #define IFPR_IN6(x) \
555 (&((struct sockaddr_in6 *)(void *)((x)->ifpr_prefix))->sin6_addr)
556 #endif /* BSD_KERNEL_PRIVATE */
558 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
559 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
562 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
563 * we do not shift numbers for binary compatibility.
565 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
566 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
568 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
569 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
571 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
572 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
573 #ifdef BSD_KERNEL_PRIVATE
574 #define SIOCAIFADDR_IN6_32 _IOW('i', 26, struct in6_aliasreq_32)
575 #define SIOCAIFADDR_IN6_64 _IOW('i', 26, struct in6_aliasreq_64)
576 #endif /* BSD_KERNEL_PRIVATE */
578 #define SIOCSIFPHYADDR_IN6 _IOW('i', 62, struct in6_aliasreq)
579 #ifdef BSD_KERNEL_PRIVATE
580 #define SIOCSIFPHYADDR_IN6_32 _IOW('i', 62, struct in6_aliasreq_32)
581 #define SIOCSIFPHYADDR_IN6_64 _IOW('i', 62, struct in6_aliasreq_64)
582 #endif /* BSD_KERNEL_PRIVATE */
583 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 63, struct in6_ifreq)
584 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 64, struct in6_ifreq)
585 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
587 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
588 #ifdef BSD_KERNEL_PRIVATE
589 #define SIOCGDRLST_IN6_32 _IOWR('i', 74, struct in6_drlist_32)
590 #define SIOCGDRLST_IN6_64 _IOWR('i', 74, struct in6_drlist_64)
591 #endif /* BSD_KERNEL_PRIVATE */
593 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
594 #ifdef BSD_KERNEL_PRIVATE
595 #define SIOCGPRLST_IN6_32 _IOWR('i', 75, struct in6_prlist_32)
596 #define SIOCGPRLST_IN6_64 _IOWR('i', 75, struct in6_prlist_64)
597 #endif /* BSD_KERNEL_PRIVATE */
599 #define OSIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ondireq)
600 #define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
601 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
603 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
604 #ifdef BSD_KERNEL_PRIVATE
605 #define SIOCGNBRINFO_IN6_32 _IOWR('i', 78, struct in6_nbrinfo_32)
606 #define SIOCGNBRINFO_IN6_64 _IOWR('i', 78, struct in6_nbrinfo_64)
607 #endif /* BSD_KERNEL_PRIVATE */
609 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
610 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
612 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
613 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
614 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
615 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
617 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
618 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
619 #ifdef BSD_KERNEL_PRIVATE
620 #define SIOCSDEFIFACE_IN6_32 _IOWR('i', 85, struct in6_ndifreq_32)
621 #define SIOCSDEFIFACE_IN6_64 _IOWR('i', 85, struct in6_ndifreq_64)
622 #define SIOCGDEFIFACE_IN6_32 _IOWR('i', 86, struct in6_ndifreq_32)
623 #define SIOCGDEFIFACE_IN6_64 _IOWR('i', 86, struct in6_ndifreq_64)
624 #endif /* BSD_KERNEL_PRIVATE */
626 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
628 /* N.B.: These 3 ioctls are deprecated and won't work */
629 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
630 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
631 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
633 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
634 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
635 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
636 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
639 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, struct in6_rrenumreq)
642 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, struct in6_rrenumreq)
645 * multicast routing, get s/g pkt cnt, pkt cnt per interface.
647 #define SIOCGETSGCNT_IN6 _IOWR('u', 28, struct sioc_sg_req6)
648 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, struct sioc_mif_req6)
649 #ifdef BSD_KERNEL_PRIVATE
650 #define SIOCGETMIFCNT_IN6_32 _IOWR('u', 107, struct sioc_mif_req6_32)
651 #define SIOCGETMIFCNT_IN6_64 _IOWR('u', 107, struct sioc_mif_req6_64)
652 #endif /* BSD_KERNEL_PRIVATE */
654 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
655 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
659 * temporary control calls to attach/detach IPv6 to/from an interface.
661 #define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq)
662 #ifdef BSD_KERNEL_PRIVATE
663 #define SIOCPROTOATTACH_IN6_32 _IOWR('i', 110, struct in6_aliasreq_32)
664 #define SIOCPROTOATTACH_IN6_64 _IOWR('i', 110, struct in6_aliasreq_64)
665 #endif /* BSD_KERNEL_PRIVATE */
666 #define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq)
669 * start/stop aquiring linklocal on interface
671 #define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq)
672 #ifdef BSD_KERNEL_PRIVATE
673 #define SIOCLL_START_32 _IOWR('i', 130, struct in6_aliasreq_32)
674 #define SIOCLL_START_64 _IOWR('i', 130, struct in6_aliasreq_64)
675 #endif /* BSD_KERNEL_PRIVATE */
676 #define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq)
679 * accept rtadvd (and stop accepting) on this interface.
681 #define SIOCAUTOCONF_START _IOWR('i', 132, struct in6_ifreq)
682 #define SIOCAUTOCONF_STOP _IOWR('i', 133, struct in6_ifreq)
685 * add/remove default IPv6 router.
687 #define SIOCDRADD_IN6 _IOWR('u', 134, struct in6_defrouter)
688 #ifdef BSD_KERNEL_PRIVATE
689 #define SIOCDRADD_IN6_32 _IOWR('u', 134, struct in6_defrouter_32)
690 #define SIOCDRADD_IN6_64 _IOWR('u', 134, struct in6_defrouter_64)
691 #endif /* BSD_KERNEL_PRIVATE */
692 #define SIOCDRDEL_IN6 _IOWR('u', 135, struct in6_defrouter)
693 #ifdef BSD_KERNEL_PRIVATE
694 #define SIOCDRDEL_IN6_32 _IOWR('u', 135, struct in6_defrouter_32)
695 #define SIOCDRDEL_IN6_64 _IOWR('u', 135, struct in6_defrouter_64)
696 #endif /* BSD_KERNEL_PRIVATE */
699 * enable/disable IPv6 router mode on interface.
701 #define SIOCSETROUTERMODE_IN6 _IOWR('i', 136, struct in6_ifreq)
704 * start secure link-local interface addresses
706 #define SIOCLL_CGASTART _IOW('i', 160, struct in6_llstartreq)
707 #ifdef BSD_KERNEL_PRIVATE
708 #define SIOCLL_CGASTART_32 _IOW('i', 160, struct in6_llstartreq_32)
709 #define SIOCLL_CGASTART_64 _IOW('i', 160, struct in6_llstartreq_64)
713 #ifdef BSD_KERNEL_PRIVATE
715 * XXX: Do not extend IN6_IFF values beyond 16-bit. We currently copy the
716 * values from ia6_flags as is into m_pkthdr.{src,dst}_iff which are
717 * defined as 16-bit variables. We can relax this once we define a
718 * unified set of interface flags for {ia,ia6}_flags and perform
719 * translation between those and the publicly-defined ones below.
721 #endif /* BSD_KERNEL_PRIVATE */
722 #define IN6_IFF_ANYCAST 0x01 /* anycast address */
723 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */
724 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
725 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
726 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
728 /* don't perform DAD on this address (used only at first SIOC* call) */
729 #define IN6_IFF_NODAD 0x20
731 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
732 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
733 #define IN6_IFF_DYNAMIC 0x100 /* assigned by DHCPv6 service */
734 #define IN6_IFF_OPTIMISTIC 0x200 /* optimistic DAD, i.e. RFC 4429 */
735 #define IN6_IFF_SECURED 0x400 /* cryptographically generated */
737 /* skip kernel prefix management. XXX: this should be temporary. */
738 #define IN6_IFF_NOPFX 0x8000
740 /* Duplicate Address Detection [DAD] in progress. */
741 #define IN6_IFF_DADPROGRESS (IN6_IFF_TENTATIVE|IN6_IFF_OPTIMISTIC)
743 /* do not input/output */
744 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
747 #define IN6_ARE_SCOPE_CMP(a, b) ((a) - (b))
748 #define IN6_ARE_SCOPE_EQUAL(a, b) ((a) == (b))
751 #ifdef BSD_KERNEL_PRIVATE
752 extern struct in6_ifaddr
*in6_ifaddrs
;
754 extern struct icmp6stat icmp6stat
;
755 extern lck_rw_t in6_ifaddr_rwlock
;
756 extern lck_mtx_t proxy6_lock
;
757 extern u_char inet6ctlerrmap
[];
758 extern u_int32_t in6_maxmtu
;
760 /* N.B.: if_inet6data is never freed once set, so we don't need to lock */
761 #define in6_ifstat_inc_common(_ifp, _tag, _atomic) do { \
762 if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \
765 &IN6_IFEXTRA(_ifp)->in6_ifstat._tag, 1); \
767 IN6_IFEXTRA(_ifp)->in6_ifstat._tag++; \
772 #define in6_ifstat_inc(_ifp, _tag) \
773 in6_ifstat_inc_common(_ifp, _tag, TRUE)
775 /* non-atomic version (for fast paths) */
776 #define in6_ifstat_inc_na(_ifp, _tag) \
777 in6_ifstat_inc_common(_ifp, _tag, FALSE)
780 * Macro for finding the internet address structure (in6_ifaddr) corresponding
781 * to a given interface (ifnet structure).
784 #define IFP_TO_IA6(ifp, ia) \
785 /* struct ifnet *ifp; */ \
786 /* struct in6_ifaddr *ia; */ \
788 struct ifaddr *_ifa; \
789 ifnet_lock_assert(ifp, LCK_RW_ASSERT_HELD); \
790 for (_ifa = (ifp)->if_addrlist.tqh_first; _ifa != NULL; \
791 _ifa = _ifa->ifa_list.tqe_next) { \
793 if (_ifa->ifa_addr->sa_family == AF_INET6) { \
794 IFA_ADDREF_LOCKED(_ifa); \
800 (ia) = (struct in6_ifaddr *)_ifa; \
804 * IPv6 multicast MLD-layer source entry.
807 RB_ENTRY(ip6_msource
) im6s_link
; /* RB tree links */
808 struct in6_addr im6s_addr
;
810 uint16_t ex
; /* # of exclusive members */
811 uint16_t in
; /* # of inclusive members */
812 } im6s_st
[2]; /* state at t0, t1 */
813 uint8_t im6s_stp
; /* pending query */
816 RB_HEAD(ip6_msource_tree
, ip6_msource
);
818 RB_PROTOTYPE_SC_PREV(__private_extern__
, ip6_msource_tree
, ip6_msource
,
819 im6s_link
, ip6_msource_cmp
);
822 * IPv6 multicast PCB-layer source entry.
824 * NOTE: overlapping use of struct ip6_msource fields at start.
827 RB_ENTRY(ip6_msource
) im6s_link
; /* Common field */
828 struct in6_addr im6s_addr
; /* Common field */
829 uint8_t im6sl_st
[2]; /* state before/at commit */
833 * IPv6 multicast PCB-layer group filter descriptor.
836 struct ip6_msource_tree im6f_sources
; /* source list for (S,G) */
837 u_long im6f_nsrc
; /* # of source entries */
838 uint8_t im6f_st
[2]; /* state before/at commit */
842 * Legacy KAME IPv6 multicast membership descriptor.
844 struct in6_multi_mship
{
845 struct in6_multi
*i6mm_maddr
; /* Multicast address pointer */
846 LIST_ENTRY(in6_multi_mship
) i6mm_chain
; /* multicast options chain */
852 * IPv6 group descriptor.
854 * For every entry on an ifnet's if_multiaddrs list which represents
855 * an IP multicast group, there is one of these structures.
857 * If any source filters are present, then a node will exist in the RB-tree
858 * to permit fast lookup by source whenever an operation takes place.
859 * This permits pre-order traversal when we issue reports.
860 * Source filter trees are kept separately from the socket layer to
861 * greatly simplify locking.
863 * When MLDv2 is active, in6m_timer is the response to group query timer.
864 * The state-change timer in6m_sctimer is separate; whenever state changes
865 * for the group the state change record is generated and transmitted,
866 * and kept if retransmissions are necessary.
868 * The request count here is a count of requests for this address, not a
869 * count of pointers to this structure.
871 * FUTURE: in6m_entry is now only used when groups are being purged
872 * on a detaching ifnet. It could be demoted to a SLIST_ENTRY.
875 decl_lck_mtx_data(, in6m_lock
);
876 u_int32_t in6m_refcount
; /* reference count */
877 u_int32_t in6m_reqcnt
; /* request count for this address */
878 u_int32_t in6m_debug
; /* see ifa_debug flags */
879 LIST_ENTRY(in6_multi
) in6m_entry
; /* list glue */
880 struct in6_addr in6m_addr
; /* IP6 multicast address */
881 struct ifnet
*in6m_ifp
; /* back pointer to ifnet */
882 struct ifmultiaddr
*in6m_ifma
; /* back pointer to ifmultiaddr */
883 u_int in6m_state
; /* state of the membership */
884 u_int in6m_timer
; /* MLD6 listener report timer */
886 /* New fields for MLDv2 follow. */
887 struct mld_ifinfo
*in6m_mli
; /* MLD info */
888 SLIST_ENTRY(in6_multi
) in6m_dtle
; /* detached waiting for rele */
889 SLIST_ENTRY(in6_multi
) in6m_nrele
; /* to-be-released by MLD */
890 u_int32_t in6m_nrelecnt
; /* deferred release count */
891 struct ip6_msource_tree in6m_srcs
; /* tree of sources */
892 u_long in6m_nsrc
; /* # of tree entries */
894 struct ifqueue in6m_scq
; /* pending state-change packets */
895 struct timeval in6m_lastgsrtv
; /* last G-S-R query */
896 uint16_t in6m_sctimer
; /* state-change timer */
897 uint16_t in6m_scrv
; /* state-change rexmit count */
900 * SSM state counters which track state at T0 (the time the last
901 * state-change report's RV timer went to zero) and T1
902 * (time of pending report, i.e. now).
903 * Used for computing MLDv2 state-change reports. Several refcounts
904 * are maintained here to optimize for common use-cases.
907 uint16_t iss_fmode
; /* MLD filter mode */
908 uint16_t iss_asm
; /* # of ASM listeners */
909 uint16_t iss_ex
; /* # of exclusive members */
910 uint16_t iss_in
; /* # of inclusive members */
911 uint16_t iss_rec
; /* # of recorded sources */
912 } in6m_st
[2]; /* state at t0, t1 */
914 void (*in6m_trace
) /* callback fn for tracing refs */
915 (struct in6_multi
*, int);
918 #define IN6M_LOCK_ASSERT_HELD(_in6m) \
919 lck_mtx_assert(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_OWNED)
921 #define IN6M_LOCK_ASSERT_NOTHELD(_in6m) \
922 lck_mtx_assert(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_NOTOWNED)
924 #define IN6M_LOCK(_in6m) \
925 lck_mtx_lock(&(_in6m)->in6m_lock)
927 #define IN6M_LOCK_SPIN(_in6m) \
928 lck_mtx_lock_spin(&(_in6m)->in6m_lock)
930 #define IN6M_CONVERT_LOCK(_in6m) do { \
931 IN6M_LOCK_ASSERT_HELD(_in6m); \
932 lck_mtx_convert_spin(&(_in6m)->in6m_lock); \
935 #define IN6M_UNLOCK(_in6m) \
936 lck_mtx_unlock(&(_in6m)->in6m_lock)
938 #define IN6M_ADDREF(_in6m) \
939 in6m_addref(_in6m, 0)
941 #define IN6M_ADDREF_LOCKED(_in6m) \
942 in6m_addref(_in6m, 1)
944 #define IN6M_REMREF(_in6m) \
945 in6m_remref(_in6m, 0)
947 #define IN6M_REMREF_LOCKED(_in6m) \
948 in6m_remref(_in6m, 1)
950 /* flags to in6_update_ifa */
951 #define IN6_IFAUPDATE_NOWAIT 0x1 /* don't block allocating memory */
952 #define IN6_IFAUPDATE_1STADDR 0x2 /* first address on interface */
953 #define IN6_IFAUPDATE_NEWADDR 0x4 /* new address on interface */
954 #define IN6_IFAUPDATE_DADDELAY 0x8 /* must delay initial DAD probe */
960 extern LIST_HEAD(in6_multihead
, in6_multi
) in6_multihead
;
963 * Structure used by macros below to remember position when stepping through
964 * all of the in6_multi records.
966 struct in6_multistep
{
967 struct in6_ifaddr
*i_ia
;
968 struct in6_multi
*i_in6m
;
972 * Macros for looking up the in6_multi record for a given IP6 multicast
973 * address on a given interface. If no matching record is found, "in6m"
976 * We do this differently compared other BSD implementations; instead of
977 * walking the if_multiaddrs list at the interface and returning the
978 * ifma_protospec value of a matching entry, we search the global list
979 * of in6_multi records and find it that way. Otherwise either the two
980 * structures (in6_multi, ifmultiaddr) need to be ref counted both ways,
981 * which will make things too complicated, or they need to reside in the
982 * same protected domain, which they aren't.
984 * Must be called with in6_multihead_lock held.
986 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
987 /* struct in6_addr *addr; */ \
988 /* struct ifnet *ifp; */ \
989 /* struct in6_multi *in6m; */ \
991 struct in6_multistep _step; \
992 IN6_FIRST_MULTI(_step, in6m); \
993 while ((in6m) != NULL) { \
994 IN6M_LOCK_SPIN(in6m); \
995 if ((in6m)->in6m_ifp == (ifp) && \
996 IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, (addr))) { \
997 IN6M_ADDREF_LOCKED(in6m); \
1001 IN6M_UNLOCK(in6m); \
1002 IN6_NEXT_MULTI(_step, in6m); \
1007 * Macro to step through all of the in6_multi records, one at a time.
1008 * The current position is remembered in "step", which the caller must
1009 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
1010 * and get the first record. Both macros return a NULL "in6m" when there
1011 * are no remaining records.
1013 * Must be called with in6_multihead_lock held.
1015 #define IN6_NEXT_MULTI(step, in6m) \
1016 /* struct in6_multistep step; */ \
1017 /* struct in6_multi *in6m; */ \
1019 in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
1020 if (((in6m) = (step).i_in6m) != NULL) \
1021 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
1024 #define IN6_FIRST_MULTI(step, in6m) \
1025 /* struct in6_multistep step; */ \
1026 /* struct in6_multi *in6m */ \
1028 in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
1029 (step).i_in6m = in6_multihead.lh_first; \
1030 IN6_NEXT_MULTI((step), (in6m)); \
1033 extern lck_mtx_t
*inet6_domain_mutex
;
1034 extern struct domain
*inet6domain
;
1038 /* Multicast private KPIs. */
1039 extern int im6o_mc_filter(const struct ip6_moptions
*, const struct ifnet
*,
1040 const struct sockaddr
*, const struct sockaddr
*);
1041 extern int in6_mc_join(struct ifnet
*, const struct in6_addr
*,
1042 struct in6_mfilter
*, struct in6_multi
**, int);
1043 extern int in6_mc_leave(struct in6_multi
*, struct in6_mfilter
*);
1044 extern void in6m_clear_recorded(struct in6_multi
*);
1045 extern void in6m_commit(struct in6_multi
*);
1046 extern void in6m_purge(struct in6_multi
*);
1047 extern void in6m_print(const struct in6_multi
*);
1048 extern int in6m_record_source(struct in6_multi
*, const struct in6_addr
*);
1049 extern int ip6_getmoptions(struct inpcb
*, struct sockopt
*);
1050 extern int ip6_setmoptions(struct inpcb
*, struct sockopt
*);
1051 /* Legacy KAME multicast private KPIs. */
1052 extern struct in6_multi_mship
*in6_joingroup(struct ifnet
*,
1053 struct in6_addr
*, int *, int);
1054 extern int in6_leavegroup(struct in6_multi_mship
*);
1055 extern void in6_multi_init(void);
1056 extern void in6m_addref(struct in6_multi
*, int);
1057 extern void in6m_remref(struct in6_multi
*, int);
1058 extern int in6_multi_detach(struct in6_multi
*);
1059 extern int in6_ifindex2scopeid(int);
1060 extern int in6_mask2len(struct in6_addr
*, u_char
*);
1061 extern void in6_len2mask(struct in6_addr
*, int);
1062 extern int in6_control(struct socket
*, u_long
, caddr_t
, struct ifnet
*,
1064 extern int in6_update_ifa(struct ifnet
*, struct in6_aliasreq
*, int,
1065 struct in6_ifaddr
**);
1066 extern void in6_purgeaddr(struct ifaddr
*);
1067 extern int in6if_do_dad(struct ifnet
*);
1068 extern void in6_purgeif(struct ifnet
*);
1069 extern void in6_savemkludge(struct in6_ifaddr
*);
1070 extern void in6_setmaxmtu(void);
1071 extern void in6_restoremkludge(struct in6_ifaddr
*, struct ifnet
*);
1072 extern void in6_purgemkludge(struct ifnet
*);
1073 extern struct in6_ifaddr
*in6ifa_ifpforlinklocal(struct ifnet
*, int);
1074 extern struct in6_ifaddr
*in6ifa_ifpwithaddr(struct ifnet
*, struct in6_addr
*);
1075 extern struct in6_ifaddr
*in6ifa_prproxyaddr(struct in6_addr
*);
1076 extern void in6ifa_getlifetime(struct in6_ifaddr
*,
1077 struct in6_addrlifetime
*, int);
1078 extern void in6ifa_setlifetime(struct in6_ifaddr
*, struct in6_addrlifetime
*);
1079 extern char *ip6_sprintf(const struct in6_addr
*);
1080 extern int in6_addr2scopeid(struct ifnet
*, struct in6_addr
*);
1081 extern int in6_matchlen(struct in6_addr
*, struct in6_addr
*);
1082 extern int in6_are_prefix_equal(struct in6_addr
*p1
, struct in6_addr
*p2
,
1084 extern void in6_prefixlen2mask(struct in6_addr
*maskp
, int len
);
1085 extern int in6_prefix_add_ifid(int iilen
, struct in6_ifaddr
*ia
);
1086 extern void in6_prefix_remove_ifid(int iilen
, struct in6_ifaddr
*ia
);
1087 extern void in6_purgeprefix(struct ifnet
*);
1088 extern void in6_purgeaddrs(struct ifnet
*);
1089 extern int in6_is_addr_deprecated(struct sockaddr_in6
*);
1090 extern uint8_t im6s_get_mode(const struct in6_multi
*,
1091 const struct ip6_msource
*, uint8_t);
1092 extern void im6f_leave(struct in6_mfilter
*);
1093 extern void im6f_purge(struct in6_mfilter
*);
1094 extern int in6_embedscope(struct in6_addr
*, const struct sockaddr_in6
*,
1095 struct inpcb
*, struct ifnet
**, struct ip6_pktopts
*);
1096 extern int in6_recoverscope(struct sockaddr_in6
*, const struct in6_addr
*,
1098 extern void in6_aliasreq_64_to_32(struct in6_aliasreq_64
*,
1099 struct in6_aliasreq_32
*);
1100 extern void in6_aliasreq_32_to_64(struct in6_aliasreq_32
*,
1101 struct in6_aliasreq_64
*);
1102 extern void in6_ifaddr_init(void);
1103 extern int in6_inithead(void **, int);
1104 extern void in6_rtqdrain(void);
1105 extern struct radix_node
*in6_validate(struct radix_node
*);
1106 extern int in6_if2idlen(struct ifnet
*);
1107 extern int in6_src_ioctl(u_long
, caddr_t
);
1108 extern void in6_multihead_lock_exclusive(void);
1109 extern void in6_multihead_lock_shared(void);
1110 extern void in6_multihead_lock_assert(int);
1111 extern void in6_multihead_lock_done(void);
1113 extern void in6_cga_init(void);
1114 extern void in6_cga_node_lock(void);
1115 extern void in6_cga_node_unlock(void);
1116 extern void in6_cga_query(struct in6_cga_nodecfg
*);
1117 extern int in6_cga_start(const struct in6_cga_nodecfg
*);
1118 extern int in6_cga_stop(void);
1119 extern ssize_t
in6_cga_parameters_prepare(void *, size_t,
1120 const struct in6_addr
*, u_int8_t
, const struct in6_cga_modifier
*);
1121 extern int in6_cga_generate(const struct in6_cga_prepare
*, u_int8_t
,
1124 #endif /* BSD_KERNEL_PRIVATE */
1125 #endif /* _NETINET6_IN6_VAR_H_ */