1/* $FreeBSD: head/sys/netinet6/in6_var.h 121315 2003-10-21 20:05:32Z ume $ */
2/* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1985, 1986, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by the University of
48 * California, Berkeley and its contributors.
49 * 4. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
66 */
67
68#ifndef _NETINET6_IN6_VAR_H_
69#define _NETINET6_IN6_VAR_H_
70
71/*
72 * Interface address, Internet version. One of these structures
73 * is allocated for each interface with an Internet address.
74 * The ifaddr structure contains the protocol-independent part
75 * of the structure and is assumed to be first.
76 */
77
78/*
79 * pltime/vltime are just for future reference (required to implements 2
80 * hour rule for hosts). they should never be modified by nd6_timeout or
81 * anywhere else.
82 * userland -> kernel: accept pltime/vltime
83 * kernel -> userland: throw up everything
84 * in kernel: modify preferred/expire only
85 */
86struct in6_addrlifetime {
87 time_t ia6t_expire; /* valid lifetime expiration time */
88 time_t ia6t_preferred; /* preferred lifetime expiration time */
89 u_int32_t ia6t_vltime; /* valid lifetime */
90 u_int32_t ia6t_pltime; /* prefix lifetime */
91};
92
93struct nd_ifinfo;
94struct scope6_id;
95struct in6_ifextra {
96 struct in6_ifstat *in6_ifstat;
97 struct icmp6_ifstat *icmp6_ifstat;
98 struct nd_ifinfo *nd_ifinfo;
99 struct scope6_id *scope6_id;
100};
101
102struct in6_ifaddr {
103 struct ifaddr ia_ifa; /* protocol-independent info */
104#define ia_ifp ia_ifa.ifa_ifp
105#define ia_flags ia_ifa.ifa_flags
106 struct sockaddr_in6 ia_addr; /* interface address */
107 struct sockaddr_in6 ia_net; /* network number of interface */
108 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
109 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
110 u_int32_t ia_plen; /* prefix length */
111 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
112 int ia6_flags;
113
114 struct in6_addrlifetime ia6_lifetime;
115 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
116
117 /* back pointer to the ND prefix (for autoconfigured addresses only) */
118 struct nd_prefix *ia6_ndpr;
119};
120
121/*
122 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
123 */
124struct in6_ifstat {
125 u_quad_t ifs6_in_receive; /* # of total input datagram */
126 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
127 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
128 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
129 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
130 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
131 /* NOTE: increment on final dst if */
132 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
133 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
134 /* NOTE: fragment timeout is not here */
135 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
136 /* NOTE: increment on final dst if */
137 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
138 /* NOTE: increment on outgoing if */
139 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
140 /* NOTE: does not include forwrads */
141 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
142 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
143 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
144 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
145 /* NOTE: this is # after fragment */
146 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
147 /* NOTE: increment on final dst if */
148 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
149 /* NOTE: this is # after reass */
150 /* NOTE: increment on final dst if */
151 u_quad_t ifs6_reass_fail; /* # of reass failures */
152 /* NOTE: may not be packet count */
153 /* NOTE: increment on final dst if */
154 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
155 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
156};
157
158/*
159 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
160 * XXX: I'm not sure if this file is the right place for this structure...
161 */
162struct icmp6_ifstat {
163 /*
164 * Input statistics
165 */
166 /* ipv6IfIcmpInMsgs, total # of input messages */
167 u_quad_t ifs6_in_msg;
168 /* ipv6IfIcmpInErrors, # of input error messages */
169 u_quad_t ifs6_in_error;
170 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
171 u_quad_t ifs6_in_dstunreach;
172 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
173 u_quad_t ifs6_in_adminprohib;
174 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
175 u_quad_t ifs6_in_timeexceed;
176 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
177 u_quad_t ifs6_in_paramprob;
178 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
179 u_quad_t ifs6_in_pkttoobig;
180 /* ipv6IfIcmpInEchos, # of input echo requests */
181 u_quad_t ifs6_in_echo;
182 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
183 u_quad_t ifs6_in_echoreply;
184 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
185 u_quad_t ifs6_in_routersolicit;
186 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
187 u_quad_t ifs6_in_routeradvert;
188 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
189 u_quad_t ifs6_in_neighborsolicit;
190 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
191 u_quad_t ifs6_in_neighboradvert;
192 /* ipv6IfIcmpInRedirects, # of input redirects */
193 u_quad_t ifs6_in_redirect;
194 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
195 u_quad_t ifs6_in_mldquery;
196 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
197 u_quad_t ifs6_in_mldreport;
198 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
199 u_quad_t ifs6_in_mlddone;
200
201 /*
202 * Output statistics. We should solve unresolved routing problem...
203 */
204 /* ipv6IfIcmpOutMsgs, total # of output messages */
205 u_quad_t ifs6_out_msg;
206 /* ipv6IfIcmpOutErrors, # of output error messages */
207 u_quad_t ifs6_out_error;
208 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
209 u_quad_t ifs6_out_dstunreach;
210 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
211 u_quad_t ifs6_out_adminprohib;
212 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
213 u_quad_t ifs6_out_timeexceed;
214 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
215 u_quad_t ifs6_out_paramprob;
216 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
217 u_quad_t ifs6_out_pkttoobig;
218 /* ipv6IfIcmpOutEchos, # of output echo requests */
219 u_quad_t ifs6_out_echo;
220 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
221 u_quad_t ifs6_out_echoreply;
222 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
223 u_quad_t ifs6_out_routersolicit;
224 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
225 u_quad_t ifs6_out_routeradvert;
226 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
227 u_quad_t ifs6_out_neighborsolicit;
228 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
229 u_quad_t ifs6_out_neighboradvert;
230 /* ipv6IfIcmpOutRedirects, # of output redirects */
231 u_quad_t ifs6_out_redirect;
232 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
233 u_quad_t ifs6_out_mldquery;
234 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
235 u_quad_t ifs6_out_mldreport;
236 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
237 u_quad_t ifs6_out_mlddone;
238};
239
240struct in6_ifreq {
241 char ifr_name[IFNAMSIZ];
242 union {
243 struct sockaddr_in6 ifru_addr;
244 struct sockaddr_in6 ifru_dstaddr;
245 int ifru_flags;
246 int ifru_flags6;
247 int ifru_metric;
248 caddr_t ifru_data;
249 struct in6_addrlifetime ifru_lifetime;
250 struct in6_ifstat ifru_stat;
251 struct icmp6_ifstat ifru_icmp6stat;
252 u_int32_t ifru_scope_id[16];
253 } ifr_ifru;
254};
255
256struct in6_aliasreq {
257 char ifra_name[IFNAMSIZ];
258 struct sockaddr_in6 ifra_addr;
259 struct sockaddr_in6 ifra_dstaddr;
260 struct sockaddr_in6 ifra_prefixmask;
261 int ifra_flags;
262 struct in6_addrlifetime ifra_lifetime;
263};
264
265/* prefix type macro */
266#define IN6_PREFIX_ND 1
267#define IN6_PREFIX_RR 2
268
269/*
270 * prefix related flags passed between kernel(NDP related part) and
271 * user land command(ifconfig) and daemon(rtadvd).
272 */
273struct in6_prflags {
274 struct prf_ra {
275 u_char onlink : 1;
276 u_char autonomous : 1;
277 u_char reserved : 6;
278 } prf_ra;
279 u_char prf_reserved1;
280 u_short prf_reserved2;
281 /* want to put this on 4byte offset */
282 struct prf_rr {
283 u_char decrvalid : 1;
284 u_char decrprefd : 1;
285 u_char reserved : 6;
286 } prf_rr;
287 u_char prf_reserved3;
288 u_short prf_reserved4;
289};
290
291struct in6_prefixreq {
292 char ipr_name[IFNAMSIZ];
293 u_char ipr_origin;
294 u_char ipr_plen;
295 u_int32_t ipr_vltime;
296 u_int32_t ipr_pltime;
297 struct in6_prflags ipr_flags;
298 struct sockaddr_in6 ipr_prefix;
299};
300
301#define PR_ORIG_RA 0
302#define PR_ORIG_RR 1
303#define PR_ORIG_STATIC 2
304#define PR_ORIG_KERNEL 3
305
306#define ipr_raf_onlink ipr_flags.prf_ra.onlink
307#define ipr_raf_auto ipr_flags.prf_ra.autonomous
308
309#define ipr_statef_onlink ipr_flags.prf_state.onlink
310
311#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
312#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
313
314struct in6_rrenumreq {
315 char irr_name[IFNAMSIZ];
316 u_char irr_origin;
317 u_char irr_m_len; /* match len for matchprefix */
318 u_char irr_m_minlen; /* minlen for matching prefix */
319 u_char irr_m_maxlen; /* maxlen for matching prefix */
320 u_char irr_u_uselen; /* uselen for adding prefix */
321 u_char irr_u_keeplen; /* keeplen from matching prefix */
322 struct irr_raflagmask {
323 u_char onlink : 1;
324 u_char autonomous : 1;
325 u_char reserved : 6;
326 } irr_raflagmask;
327 u_int32_t irr_vltime;
328 u_int32_t irr_pltime;
329 struct in6_prflags irr_flags;
330 struct sockaddr_in6 irr_matchprefix;
331 struct sockaddr_in6 irr_useprefix;
332};
333
334#define irr_raf_mask_onlink irr_raflagmask.onlink
335#define irr_raf_mask_auto irr_raflagmask.autonomous
336#define irr_raf_mask_reserved irr_raflagmask.reserved
337
338#define irr_raf_onlink irr_flags.prf_ra.onlink
339#define irr_raf_auto irr_flags.prf_ra.autonomous
340
341#define irr_statef_onlink irr_flags.prf_state.onlink
342
343#define irr_rrf irr_flags.prf_rr
344#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
345#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
346
347/*
348 * Given a pointer to an in6_ifaddr (ifaddr),
349 * return a pointer to the addr as a sockaddr_in6
350 */
351#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
352#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
353#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
354#define IA6_SIN6(ia) (&((ia)->ia_addr))
355#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
356#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
357#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
358
359#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
360
361#ifdef _KERNEL
362#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
363 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
364 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
365 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
366 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
367#endif
368
369#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
370#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
371
372#ifdef _KERNEL
373/*
374 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
375 * we do not shift numbers for binary compatibility.
376 */
377#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
378#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
379#endif
380
381#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
382#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
383
384#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
385#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
386
387#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
388#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
389#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
390
391#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
392
393#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
394#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
395#ifdef _KERNEL
396#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
397#endif
398#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
399#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
400#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
401#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
402#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
403
404#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
405#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
406#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
407#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
408
409#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
410#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
411
412#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
413
414#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
415#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
416#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
417
418#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
419#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
420#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
421#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
422#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
423 struct in6_rrenumreq) /* change */
424#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
425 struct in6_rrenumreq) /* set global */
426
427#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
428 struct sioc_sg_req6) /* get s,g pkt cnt */
429#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
430 struct sioc_mif_req6) /* get pkt cnt per if */
431
432#define IN6_IFF_ANYCAST 0x01 /* anycast address */
433#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
434#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
435#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
436#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
437#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
438 * (used only at first SIOC* call)
439 */
440#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
441#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
442#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
443 * XXX: this should be temporary.
444 */
445
446/* do not input/output */
447#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
448
449#ifdef _KERNEL
450#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
451#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
452#endif
453
454#ifdef _KERNEL
455extern struct in6_ifaddr *in6_ifaddr;
456
457extern struct icmp6stat icmp6stat;
458#define in6_ifstat_inc(ifp, tag) \
459do { \
460 if (ifp) \
461 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
462} while (/*CONSTCOND*/ 0)
463
464extern struct in6_addr zeroin6_addr;
465extern u_char inet6ctlerrmap[];
466extern unsigned long in6_maxmtu;
467#ifdef MALLOC_DECLARE
468MALLOC_DECLARE(M_IPMADDR);
469#endif /* MALLOC_DECLARE */
470
471/*
472 * Macro for finding the internet address structure (in6_ifaddr) corresponding
473 * to a given interface (ifnet structure).
474 */
475
476#define IFP_TO_IA6(ifp, ia) \
477/* struct ifnet *ifp; */ \
478/* struct in6_ifaddr *ia; */ \
479do { \
480 struct ifaddr *ifa; \
481 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \
482 if (!ifa->ifa_addr) \
483 continue; \
484 if (ifa->ifa_addr->sa_family == AF_INET6) \
485 break; \
486 } \
487 (ia) = (struct in6_ifaddr *)ifa; \
488} while (/*CONSTCOND*/ 0)
489
490#endif /* _KERNEL */
491
492/*
493 * Multi-cast membership entry. One for each group/ifp that a PCB
494 * belongs to.
495 */
496struct in6_multi_mship {
497 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
498 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
499};
500
501struct in6_multi {
502 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
503 struct in6_addr in6m_addr; /* IP6 multicast address */
504 struct ifnet *in6m_ifp; /* back pointer to ifnet */
505 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
506 u_int in6m_refcount; /* # membership claims by sockets */
507 u_int in6m_state; /* state of the membership */
508 u_int in6m_timer; /* MLD6 listener report timer */
509};
510
511#ifdef _KERNEL
512extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
513
514/*
515 * Structure used by macros below to remember position when stepping through
516 * all of the in6_multi records.
517 */
518struct in6_multistep {
519 struct in6_ifaddr *i_ia;
520 struct in6_multi *i_in6m;
521};
522
523/*
524 * Macros for looking up the in6_multi record for a given IP6 multicast
525 * address on a given interface. If no matching record is found, "in6m"
526 * returns NLL.
527 */
528
529#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
530/* struct in6_addr addr; */ \
531/* struct ifnet *ifp; */ \
532/* struct in6_multi *in6m; */ \
533do { \
534 struct ifmultiaddr *ifma; \
535 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \
536 if (ifma->ifma_addr->sa_family == AF_INET6 \
537 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
538 &(addr))) \
539 break; \
540 } \
541 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
542} while(0)
543
544/*
545 * Macro to step through all of the in6_multi records, one at a time.
546 * The current position is remembered in "step", which the caller must
547 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
548 * and get the first record. Both macros return a NULL "in6m" when there
549 * are no remaining records.
550 */
551#define IN6_NEXT_MULTI(step, in6m) \
552/* struct in6_multistep step; */ \
553/* struct in6_multi *in6m; */ \
554do { \
555 if (((in6m) = (step).i_in6m) != NULL) \
556 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
557} while(0)
558
559#define IN6_FIRST_MULTI(step, in6m) \
560/* struct in6_multistep step; */ \
561/* struct in6_multi *in6m */ \
562do { \
563 (step).i_in6m = in6_multihead.lh_first; \
564 IN6_NEXT_MULTI((step), (in6m)); \
565} while(0)
566
567struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
568 int *));
569void in6_delmulti __P((struct in6_multi *));
570int in6_mask2len __P((struct in6_addr *, u_char *));
571int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
572 struct thread *));
573int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
574 struct in6_ifaddr *));
575void in6_purgeaddr __P((struct ifaddr *));
576int in6if_do_dad __P((struct ifnet *));
577void in6_purgeif __P((struct ifnet *));
578void in6_savemkludge __P((struct in6_ifaddr *));
579void *in6_domifattach __P((struct ifnet *));
580void in6_domifdetach __P((struct ifnet *, void *));
581void in6_setmaxmtu __P((void));
582void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
583void in6_purgemkludge __P((struct ifnet *));
584struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
585struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
586char *ip6_sprintf __P((const struct in6_addr *));
587int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
588int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
589int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
590void in6_prefixlen2mask __P((struct in6_addr *, int));
591int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
592 struct ifnet *));
593int in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
594void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
595void in6_purgeprefix __P((struct ifnet *));
596
597int in6_is_addr_deprecated __P((struct sockaddr_in6 *));
598struct inpcb;
599int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *,
600 struct inpcb *, struct ifnet **));
601int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *,
602 struct ifnet *));
603void in6_clearscope __P((struct in6_addr *));
604#endif /* _KERNEL */
605
606#endif /* _NETINET6_IN6_VAR_H_ */
2/* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1985, 1986, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by the University of
48 * California, Berkeley and its contributors.
49 * 4. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
66 */
67
68#ifndef _NETINET6_IN6_VAR_H_
69#define _NETINET6_IN6_VAR_H_
70
71/*
72 * Interface address, Internet version. One of these structures
73 * is allocated for each interface with an Internet address.
74 * The ifaddr structure contains the protocol-independent part
75 * of the structure and is assumed to be first.
76 */
77
78/*
79 * pltime/vltime are just for future reference (required to implements 2
80 * hour rule for hosts). they should never be modified by nd6_timeout or
81 * anywhere else.
82 * userland -> kernel: accept pltime/vltime
83 * kernel -> userland: throw up everything
84 * in kernel: modify preferred/expire only
85 */
86struct in6_addrlifetime {
87 time_t ia6t_expire; /* valid lifetime expiration time */
88 time_t ia6t_preferred; /* preferred lifetime expiration time */
89 u_int32_t ia6t_vltime; /* valid lifetime */
90 u_int32_t ia6t_pltime; /* prefix lifetime */
91};
92
93struct nd_ifinfo;
94struct scope6_id;
95struct in6_ifextra {
96 struct in6_ifstat *in6_ifstat;
97 struct icmp6_ifstat *icmp6_ifstat;
98 struct nd_ifinfo *nd_ifinfo;
99 struct scope6_id *scope6_id;
100};
101
102struct in6_ifaddr {
103 struct ifaddr ia_ifa; /* protocol-independent info */
104#define ia_ifp ia_ifa.ifa_ifp
105#define ia_flags ia_ifa.ifa_flags
106 struct sockaddr_in6 ia_addr; /* interface address */
107 struct sockaddr_in6 ia_net; /* network number of interface */
108 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
109 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
110 u_int32_t ia_plen; /* prefix length */
111 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
112 int ia6_flags;
113
114 struct in6_addrlifetime ia6_lifetime;
115 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
116
117 /* back pointer to the ND prefix (for autoconfigured addresses only) */
118 struct nd_prefix *ia6_ndpr;
119};
120
121/*
122 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
123 */
124struct in6_ifstat {
125 u_quad_t ifs6_in_receive; /* # of total input datagram */
126 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
127 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
128 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
129 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
130 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
131 /* NOTE: increment on final dst if */
132 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
133 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
134 /* NOTE: fragment timeout is not here */
135 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
136 /* NOTE: increment on final dst if */
137 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
138 /* NOTE: increment on outgoing if */
139 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
140 /* NOTE: does not include forwrads */
141 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
142 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
143 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
144 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
145 /* NOTE: this is # after fragment */
146 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
147 /* NOTE: increment on final dst if */
148 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
149 /* NOTE: this is # after reass */
150 /* NOTE: increment on final dst if */
151 u_quad_t ifs6_reass_fail; /* # of reass failures */
152 /* NOTE: may not be packet count */
153 /* NOTE: increment on final dst if */
154 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
155 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
156};
157
158/*
159 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
160 * XXX: I'm not sure if this file is the right place for this structure...
161 */
162struct icmp6_ifstat {
163 /*
164 * Input statistics
165 */
166 /* ipv6IfIcmpInMsgs, total # of input messages */
167 u_quad_t ifs6_in_msg;
168 /* ipv6IfIcmpInErrors, # of input error messages */
169 u_quad_t ifs6_in_error;
170 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
171 u_quad_t ifs6_in_dstunreach;
172 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
173 u_quad_t ifs6_in_adminprohib;
174 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
175 u_quad_t ifs6_in_timeexceed;
176 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
177 u_quad_t ifs6_in_paramprob;
178 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
179 u_quad_t ifs6_in_pkttoobig;
180 /* ipv6IfIcmpInEchos, # of input echo requests */
181 u_quad_t ifs6_in_echo;
182 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
183 u_quad_t ifs6_in_echoreply;
184 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
185 u_quad_t ifs6_in_routersolicit;
186 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
187 u_quad_t ifs6_in_routeradvert;
188 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
189 u_quad_t ifs6_in_neighborsolicit;
190 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
191 u_quad_t ifs6_in_neighboradvert;
192 /* ipv6IfIcmpInRedirects, # of input redirects */
193 u_quad_t ifs6_in_redirect;
194 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
195 u_quad_t ifs6_in_mldquery;
196 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
197 u_quad_t ifs6_in_mldreport;
198 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
199 u_quad_t ifs6_in_mlddone;
200
201 /*
202 * Output statistics. We should solve unresolved routing problem...
203 */
204 /* ipv6IfIcmpOutMsgs, total # of output messages */
205 u_quad_t ifs6_out_msg;
206 /* ipv6IfIcmpOutErrors, # of output error messages */
207 u_quad_t ifs6_out_error;
208 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
209 u_quad_t ifs6_out_dstunreach;
210 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
211 u_quad_t ifs6_out_adminprohib;
212 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
213 u_quad_t ifs6_out_timeexceed;
214 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
215 u_quad_t ifs6_out_paramprob;
216 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
217 u_quad_t ifs6_out_pkttoobig;
218 /* ipv6IfIcmpOutEchos, # of output echo requests */
219 u_quad_t ifs6_out_echo;
220 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
221 u_quad_t ifs6_out_echoreply;
222 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
223 u_quad_t ifs6_out_routersolicit;
224 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
225 u_quad_t ifs6_out_routeradvert;
226 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
227 u_quad_t ifs6_out_neighborsolicit;
228 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
229 u_quad_t ifs6_out_neighboradvert;
230 /* ipv6IfIcmpOutRedirects, # of output redirects */
231 u_quad_t ifs6_out_redirect;
232 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
233 u_quad_t ifs6_out_mldquery;
234 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
235 u_quad_t ifs6_out_mldreport;
236 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
237 u_quad_t ifs6_out_mlddone;
238};
239
240struct in6_ifreq {
241 char ifr_name[IFNAMSIZ];
242 union {
243 struct sockaddr_in6 ifru_addr;
244 struct sockaddr_in6 ifru_dstaddr;
245 int ifru_flags;
246 int ifru_flags6;
247 int ifru_metric;
248 caddr_t ifru_data;
249 struct in6_addrlifetime ifru_lifetime;
250 struct in6_ifstat ifru_stat;
251 struct icmp6_ifstat ifru_icmp6stat;
252 u_int32_t ifru_scope_id[16];
253 } ifr_ifru;
254};
255
256struct in6_aliasreq {
257 char ifra_name[IFNAMSIZ];
258 struct sockaddr_in6 ifra_addr;
259 struct sockaddr_in6 ifra_dstaddr;
260 struct sockaddr_in6 ifra_prefixmask;
261 int ifra_flags;
262 struct in6_addrlifetime ifra_lifetime;
263};
264
265/* prefix type macro */
266#define IN6_PREFIX_ND 1
267#define IN6_PREFIX_RR 2
268
269/*
270 * prefix related flags passed between kernel(NDP related part) and
271 * user land command(ifconfig) and daemon(rtadvd).
272 */
273struct in6_prflags {
274 struct prf_ra {
275 u_char onlink : 1;
276 u_char autonomous : 1;
277 u_char reserved : 6;
278 } prf_ra;
279 u_char prf_reserved1;
280 u_short prf_reserved2;
281 /* want to put this on 4byte offset */
282 struct prf_rr {
283 u_char decrvalid : 1;
284 u_char decrprefd : 1;
285 u_char reserved : 6;
286 } prf_rr;
287 u_char prf_reserved3;
288 u_short prf_reserved4;
289};
290
291struct in6_prefixreq {
292 char ipr_name[IFNAMSIZ];
293 u_char ipr_origin;
294 u_char ipr_plen;
295 u_int32_t ipr_vltime;
296 u_int32_t ipr_pltime;
297 struct in6_prflags ipr_flags;
298 struct sockaddr_in6 ipr_prefix;
299};
300
301#define PR_ORIG_RA 0
302#define PR_ORIG_RR 1
303#define PR_ORIG_STATIC 2
304#define PR_ORIG_KERNEL 3
305
306#define ipr_raf_onlink ipr_flags.prf_ra.onlink
307#define ipr_raf_auto ipr_flags.prf_ra.autonomous
308
309#define ipr_statef_onlink ipr_flags.prf_state.onlink
310
311#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
312#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
313
314struct in6_rrenumreq {
315 char irr_name[IFNAMSIZ];
316 u_char irr_origin;
317 u_char irr_m_len; /* match len for matchprefix */
318 u_char irr_m_minlen; /* minlen for matching prefix */
319 u_char irr_m_maxlen; /* maxlen for matching prefix */
320 u_char irr_u_uselen; /* uselen for adding prefix */
321 u_char irr_u_keeplen; /* keeplen from matching prefix */
322 struct irr_raflagmask {
323 u_char onlink : 1;
324 u_char autonomous : 1;
325 u_char reserved : 6;
326 } irr_raflagmask;
327 u_int32_t irr_vltime;
328 u_int32_t irr_pltime;
329 struct in6_prflags irr_flags;
330 struct sockaddr_in6 irr_matchprefix;
331 struct sockaddr_in6 irr_useprefix;
332};
333
334#define irr_raf_mask_onlink irr_raflagmask.onlink
335#define irr_raf_mask_auto irr_raflagmask.autonomous
336#define irr_raf_mask_reserved irr_raflagmask.reserved
337
338#define irr_raf_onlink irr_flags.prf_ra.onlink
339#define irr_raf_auto irr_flags.prf_ra.autonomous
340
341#define irr_statef_onlink irr_flags.prf_state.onlink
342
343#define irr_rrf irr_flags.prf_rr
344#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
345#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
346
347/*
348 * Given a pointer to an in6_ifaddr (ifaddr),
349 * return a pointer to the addr as a sockaddr_in6
350 */
351#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
352#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
353#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
354#define IA6_SIN6(ia) (&((ia)->ia_addr))
355#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
356#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
357#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
358
359#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
360
361#ifdef _KERNEL
362#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
363 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
364 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
365 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
366 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
367#endif
368
369#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
370#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
371
372#ifdef _KERNEL
373/*
374 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
375 * we do not shift numbers for binary compatibility.
376 */
377#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
378#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
379#endif
380
381#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
382#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
383
384#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
385#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
386
387#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
388#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
389#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
390
391#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
392
393#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
394#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
395#ifdef _KERNEL
396#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
397#endif
398#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
399#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
400#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
401#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
402#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
403
404#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
405#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
406#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
407#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
408
409#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
410#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
411
412#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
413
414#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
415#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
416#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
417
418#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
419#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
420#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
421#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
422#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
423 struct in6_rrenumreq) /* change */
424#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
425 struct in6_rrenumreq) /* set global */
426
427#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
428 struct sioc_sg_req6) /* get s,g pkt cnt */
429#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
430 struct sioc_mif_req6) /* get pkt cnt per if */
431
432#define IN6_IFF_ANYCAST 0x01 /* anycast address */
433#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
434#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
435#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
436#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
437#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
438 * (used only at first SIOC* call)
439 */
440#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
441#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
442#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
443 * XXX: this should be temporary.
444 */
445
446/* do not input/output */
447#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
448
449#ifdef _KERNEL
450#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
451#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
452#endif
453
454#ifdef _KERNEL
455extern struct in6_ifaddr *in6_ifaddr;
456
457extern struct icmp6stat icmp6stat;
458#define in6_ifstat_inc(ifp, tag) \
459do { \
460 if (ifp) \
461 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
462} while (/*CONSTCOND*/ 0)
463
464extern struct in6_addr zeroin6_addr;
465extern u_char inet6ctlerrmap[];
466extern unsigned long in6_maxmtu;
467#ifdef MALLOC_DECLARE
468MALLOC_DECLARE(M_IPMADDR);
469#endif /* MALLOC_DECLARE */
470
471/*
472 * Macro for finding the internet address structure (in6_ifaddr) corresponding
473 * to a given interface (ifnet structure).
474 */
475
476#define IFP_TO_IA6(ifp, ia) \
477/* struct ifnet *ifp; */ \
478/* struct in6_ifaddr *ia; */ \
479do { \
480 struct ifaddr *ifa; \
481 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \
482 if (!ifa->ifa_addr) \
483 continue; \
484 if (ifa->ifa_addr->sa_family == AF_INET6) \
485 break; \
486 } \
487 (ia) = (struct in6_ifaddr *)ifa; \
488} while (/*CONSTCOND*/ 0)
489
490#endif /* _KERNEL */
491
492/*
493 * Multi-cast membership entry. One for each group/ifp that a PCB
494 * belongs to.
495 */
496struct in6_multi_mship {
497 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
498 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
499};
500
501struct in6_multi {
502 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
503 struct in6_addr in6m_addr; /* IP6 multicast address */
504 struct ifnet *in6m_ifp; /* back pointer to ifnet */
505 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
506 u_int in6m_refcount; /* # membership claims by sockets */
507 u_int in6m_state; /* state of the membership */
508 u_int in6m_timer; /* MLD6 listener report timer */
509};
510
511#ifdef _KERNEL
512extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
513
514/*
515 * Structure used by macros below to remember position when stepping through
516 * all of the in6_multi records.
517 */
518struct in6_multistep {
519 struct in6_ifaddr *i_ia;
520 struct in6_multi *i_in6m;
521};
522
523/*
524 * Macros for looking up the in6_multi record for a given IP6 multicast
525 * address on a given interface. If no matching record is found, "in6m"
526 * returns NLL.
527 */
528
529#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
530/* struct in6_addr addr; */ \
531/* struct ifnet *ifp; */ \
532/* struct in6_multi *in6m; */ \
533do { \
534 struct ifmultiaddr *ifma; \
535 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \
536 if (ifma->ifma_addr->sa_family == AF_INET6 \
537 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
538 &(addr))) \
539 break; \
540 } \
541 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
542} while(0)
543
544/*
545 * Macro to step through all of the in6_multi records, one at a time.
546 * The current position is remembered in "step", which the caller must
547 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
548 * and get the first record. Both macros return a NULL "in6m" when there
549 * are no remaining records.
550 */
551#define IN6_NEXT_MULTI(step, in6m) \
552/* struct in6_multistep step; */ \
553/* struct in6_multi *in6m; */ \
554do { \
555 if (((in6m) = (step).i_in6m) != NULL) \
556 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
557} while(0)
558
559#define IN6_FIRST_MULTI(step, in6m) \
560/* struct in6_multistep step; */ \
561/* struct in6_multi *in6m */ \
562do { \
563 (step).i_in6m = in6_multihead.lh_first; \
564 IN6_NEXT_MULTI((step), (in6m)); \
565} while(0)
566
567struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
568 int *));
569void in6_delmulti __P((struct in6_multi *));
570int in6_mask2len __P((struct in6_addr *, u_char *));
571int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
572 struct thread *));
573int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
574 struct in6_ifaddr *));
575void in6_purgeaddr __P((struct ifaddr *));
576int in6if_do_dad __P((struct ifnet *));
577void in6_purgeif __P((struct ifnet *));
578void in6_savemkludge __P((struct in6_ifaddr *));
579void *in6_domifattach __P((struct ifnet *));
580void in6_domifdetach __P((struct ifnet *, void *));
581void in6_setmaxmtu __P((void));
582void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
583void in6_purgemkludge __P((struct ifnet *));
584struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
585struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
586char *ip6_sprintf __P((const struct in6_addr *));
587int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
588int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
589int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
590void in6_prefixlen2mask __P((struct in6_addr *, int));
591int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
592 struct ifnet *));
593int in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
594void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
595void in6_purgeprefix __P((struct ifnet *));
596
597int in6_is_addr_deprecated __P((struct sockaddr_in6 *));
598struct inpcb;
599int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *,
600 struct inpcb *, struct ifnet **));
601int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *,
602 struct ifnet *));
603void in6_clearscope __P((struct in6_addr *));
604#endif /* _KERNEL */
605
606#endif /* _NETINET6_IN6_VAR_H_ */