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in6_var.h (191341) in6_var.h (191672)
1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $
30 */
31
32/*-
33 * Copyright (c) 1985, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $
30 */
31
32/*-
33 * Copyright (c) 1985, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
61 * $FreeBSD: head/sys/netinet6/in6_var.h 191341 2009-04-20 22:56:34Z rwatson $
61 * $FreeBSD: head/sys/netinet6/in6_var.h 191672 2009-04-29 19:19:13Z bms $
62 */
63
64#ifndef _NETINET6_IN6_VAR_H_
65#define _NETINET6_IN6_VAR_H_
66
62 */
63
64#ifndef _NETINET6_IN6_VAR_H_
65#define _NETINET6_IN6_VAR_H_
66
67#include <sys/tree.h>
68
69#ifdef _KERNEL
70#include <sys/libkern.h>
71#endif
72
67/*
68 * Interface address, Internet version. One of these structures
69 * is allocated for each interface with an Internet address.
70 * The ifaddr structure contains the protocol-independent part
71 * of the structure and is assumed to be first.
72 */
73
74/*
75 * pltime/vltime are just for future reference (required to implements 2
76 * hour rule for hosts). they should never be modified by nd6_timeout or
77 * anywhere else.
78 * userland -> kernel: accept pltime/vltime
79 * kernel -> userland: throw up everything
80 * in kernel: modify preferred/expire only
81 */
82struct in6_addrlifetime {
83 time_t ia6t_expire; /* valid lifetime expiration time */
84 time_t ia6t_preferred; /* preferred lifetime expiration time */
85 u_int32_t ia6t_vltime; /* valid lifetime */
86 u_int32_t ia6t_pltime; /* prefix lifetime */
87};
88
89struct nd_ifinfo;
90struct scope6_id;
91struct lltable;
73/*
74 * Interface address, Internet version. One of these structures
75 * is allocated for each interface with an Internet address.
76 * The ifaddr structure contains the protocol-independent part
77 * of the structure and is assumed to be first.
78 */
79
80/*
81 * pltime/vltime are just for future reference (required to implements 2
82 * hour rule for hosts). they should never be modified by nd6_timeout or
83 * anywhere else.
84 * userland -> kernel: accept pltime/vltime
85 * kernel -> userland: throw up everything
86 * in kernel: modify preferred/expire only
87 */
88struct in6_addrlifetime {
89 time_t ia6t_expire; /* valid lifetime expiration time */
90 time_t ia6t_preferred; /* preferred lifetime expiration time */
91 u_int32_t ia6t_vltime; /* valid lifetime */
92 u_int32_t ia6t_pltime; /* prefix lifetime */
93};
94
95struct nd_ifinfo;
96struct scope6_id;
97struct lltable;
98struct mld_ifinfo;
99
92struct in6_ifextra {
93 struct in6_ifstat *in6_ifstat;
94 struct icmp6_ifstat *icmp6_ifstat;
95 struct nd_ifinfo *nd_ifinfo;
96 struct scope6_id *scope6_id;
97 struct lltable *lltable;
100struct in6_ifextra {
101 struct in6_ifstat *in6_ifstat;
102 struct icmp6_ifstat *icmp6_ifstat;
103 struct nd_ifinfo *nd_ifinfo;
104 struct scope6_id *scope6_id;
105 struct lltable *lltable;
106 struct mld_ifinfo *mld_ifinfo;
98};
99
100#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable)
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 time_t ia6_createtime; /* the creation time of this address, which is
116 * currently used for temporary addresses only.
117 */
118 time_t ia6_updatetime;
119
120 /* back pointer to the ND prefix (for autoconfigured addresses only) */
121 struct nd_prefix *ia6_ndpr;
122
123 /* multicast addresses joined from the kernel */
124 LIST_HEAD(, in6_multi_mship) ia6_memberships;
125};
126
127/* control structure to manage address selection policy */
128struct in6_addrpolicy {
129 struct sockaddr_in6 addr; /* prefix address */
130 struct sockaddr_in6 addrmask; /* prefix mask */
131 int preced; /* precedence */
132 int label; /* matching label */
133 u_quad_t use; /* statistics */
134};
135
136/*
137 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
138 */
139struct in6_ifstat {
140 u_quad_t ifs6_in_receive; /* # of total input datagram */
141 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
142 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
143 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
144 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
145 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
146 /* NOTE: increment on final dst if */
147 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
148 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
149 /* NOTE: fragment timeout is not here */
150 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
151 /* NOTE: increment on final dst if */
152 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
153 /* NOTE: increment on outgoing if */
154 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
155 /* NOTE: does not include forwrads */
156 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
157 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
158 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
159 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
160 /* NOTE: this is # after fragment */
161 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
162 /* NOTE: increment on final dst if */
163 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
164 /* NOTE: this is # after reass */
165 /* NOTE: increment on final dst if */
166 u_quad_t ifs6_reass_fail; /* # of reass failures */
167 /* NOTE: may not be packet count */
168 /* NOTE: increment on final dst if */
169 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
170 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
171};
172
173/*
174 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
175 * XXX: I'm not sure if this file is the right place for this structure...
176 */
177struct icmp6_ifstat {
178 /*
179 * Input statistics
180 */
181 /* ipv6IfIcmpInMsgs, total # of input messages */
182 u_quad_t ifs6_in_msg;
183 /* ipv6IfIcmpInErrors, # of input error messages */
184 u_quad_t ifs6_in_error;
185 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
186 u_quad_t ifs6_in_dstunreach;
187 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
188 u_quad_t ifs6_in_adminprohib;
189 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
190 u_quad_t ifs6_in_timeexceed;
191 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
192 u_quad_t ifs6_in_paramprob;
193 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
194 u_quad_t ifs6_in_pkttoobig;
195 /* ipv6IfIcmpInEchos, # of input echo requests */
196 u_quad_t ifs6_in_echo;
197 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
198 u_quad_t ifs6_in_echoreply;
199 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
200 u_quad_t ifs6_in_routersolicit;
201 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
202 u_quad_t ifs6_in_routeradvert;
203 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
204 u_quad_t ifs6_in_neighborsolicit;
205 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
206 u_quad_t ifs6_in_neighboradvert;
207 /* ipv6IfIcmpInRedirects, # of input redirects */
208 u_quad_t ifs6_in_redirect;
209 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
210 u_quad_t ifs6_in_mldquery;
211 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
212 u_quad_t ifs6_in_mldreport;
213 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
214 u_quad_t ifs6_in_mlddone;
215
216 /*
217 * Output statistics. We should solve unresolved routing problem...
218 */
219 /* ipv6IfIcmpOutMsgs, total # of output messages */
220 u_quad_t ifs6_out_msg;
221 /* ipv6IfIcmpOutErrors, # of output error messages */
222 u_quad_t ifs6_out_error;
223 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
224 u_quad_t ifs6_out_dstunreach;
225 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
226 u_quad_t ifs6_out_adminprohib;
227 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
228 u_quad_t ifs6_out_timeexceed;
229 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
230 u_quad_t ifs6_out_paramprob;
231 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
232 u_quad_t ifs6_out_pkttoobig;
233 /* ipv6IfIcmpOutEchos, # of output echo requests */
234 u_quad_t ifs6_out_echo;
235 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
236 u_quad_t ifs6_out_echoreply;
237 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
238 u_quad_t ifs6_out_routersolicit;
239 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
240 u_quad_t ifs6_out_routeradvert;
241 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
242 u_quad_t ifs6_out_neighborsolicit;
243 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
244 u_quad_t ifs6_out_neighboradvert;
245 /* ipv6IfIcmpOutRedirects, # of output redirects */
246 u_quad_t ifs6_out_redirect;
247 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
248 u_quad_t ifs6_out_mldquery;
249 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
250 u_quad_t ifs6_out_mldreport;
251 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
252 u_quad_t ifs6_out_mlddone;
253};
254
255struct in6_ifreq {
256 char ifr_name[IFNAMSIZ];
257 union {
258 struct sockaddr_in6 ifru_addr;
259 struct sockaddr_in6 ifru_dstaddr;
260 int ifru_flags;
261 int ifru_flags6;
262 int ifru_metric;
263 caddr_t ifru_data;
264 struct in6_addrlifetime ifru_lifetime;
265 struct in6_ifstat ifru_stat;
266 struct icmp6_ifstat ifru_icmp6stat;
267 u_int32_t ifru_scope_id[16];
268 } ifr_ifru;
269};
270
271struct in6_aliasreq {
272 char ifra_name[IFNAMSIZ];
273 struct sockaddr_in6 ifra_addr;
274 struct sockaddr_in6 ifra_dstaddr;
275 struct sockaddr_in6 ifra_prefixmask;
276 int ifra_flags;
277 struct in6_addrlifetime ifra_lifetime;
278};
279
280/* prefix type macro */
281#define IN6_PREFIX_ND 1
282#define IN6_PREFIX_RR 2
283
284/*
285 * prefix related flags passed between kernel(NDP related part) and
286 * user land command(ifconfig) and daemon(rtadvd).
287 */
288struct in6_prflags {
289 struct prf_ra {
290 u_char onlink : 1;
291 u_char autonomous : 1;
292 u_char reserved : 6;
293 } prf_ra;
294 u_char prf_reserved1;
295 u_short prf_reserved2;
296 /* want to put this on 4byte offset */
297 struct prf_rr {
298 u_char decrvalid : 1;
299 u_char decrprefd : 1;
300 u_char reserved : 6;
301 } prf_rr;
302 u_char prf_reserved3;
303 u_short prf_reserved4;
304};
305
306struct in6_prefixreq {
307 char ipr_name[IFNAMSIZ];
308 u_char ipr_origin;
309 u_char ipr_plen;
310 u_int32_t ipr_vltime;
311 u_int32_t ipr_pltime;
312 struct in6_prflags ipr_flags;
313 struct sockaddr_in6 ipr_prefix;
314};
315
316#define PR_ORIG_RA 0
317#define PR_ORIG_RR 1
318#define PR_ORIG_STATIC 2
319#define PR_ORIG_KERNEL 3
320
321#define ipr_raf_onlink ipr_flags.prf_ra.onlink
322#define ipr_raf_auto ipr_flags.prf_ra.autonomous
323
324#define ipr_statef_onlink ipr_flags.prf_state.onlink
325
326#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
327#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
328
329struct in6_rrenumreq {
330 char irr_name[IFNAMSIZ];
331 u_char irr_origin;
332 u_char irr_m_len; /* match len for matchprefix */
333 u_char irr_m_minlen; /* minlen for matching prefix */
334 u_char irr_m_maxlen; /* maxlen for matching prefix */
335 u_char irr_u_uselen; /* uselen for adding prefix */
336 u_char irr_u_keeplen; /* keeplen from matching prefix */
337 struct irr_raflagmask {
338 u_char onlink : 1;
339 u_char autonomous : 1;
340 u_char reserved : 6;
341 } irr_raflagmask;
342 u_int32_t irr_vltime;
343 u_int32_t irr_pltime;
344 struct in6_prflags irr_flags;
345 struct sockaddr_in6 irr_matchprefix;
346 struct sockaddr_in6 irr_useprefix;
347};
348
349#define irr_raf_mask_onlink irr_raflagmask.onlink
350#define irr_raf_mask_auto irr_raflagmask.autonomous
351#define irr_raf_mask_reserved irr_raflagmask.reserved
352
353#define irr_raf_onlink irr_flags.prf_ra.onlink
354#define irr_raf_auto irr_flags.prf_ra.autonomous
355
356#define irr_statef_onlink irr_flags.prf_state.onlink
357
358#define irr_rrf irr_flags.prf_rr
359#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
360#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
361
362/*
363 * Given a pointer to an in6_ifaddr (ifaddr),
364 * return a pointer to the addr as a sockaddr_in6
365 */
366#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
367#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
368#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
369#define IA6_SIN6(ia) (&((ia)->ia_addr))
370#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
371#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
372#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
373
374#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
375
376#ifdef _KERNEL
377#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
378 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
379 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
380 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
381 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
382#endif
383
384#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
385#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
386
387#ifdef _KERNEL
388/*
389 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
390 * we do not shift numbers for binary compatibility.
391 */
392#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
393#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
394#endif
395
396#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
397#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
398
399#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
400#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
401
402#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
403#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
404#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
405
406#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
407
408#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
409#ifdef _KERNEL
410/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
411#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
412#endif
413#ifdef _KERNEL
414#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
415#endif
416#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
417#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
418#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
419#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
420#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
421#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
422
423#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
424#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
425#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
426#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
427
428#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
429#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
430
431#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
432
433#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
434#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
435#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
436
437#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
438#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
439#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
440#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
441#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
442 struct in6_rrenumreq) /* change */
443#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
444 struct in6_rrenumreq) /* set global */
445
446#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
447 struct sioc_sg_req6) /* get s,g pkt cnt */
448#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
449 struct sioc_mif_req6) /* get pkt cnt per if */
450
451#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
452#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
453
454#define IN6_IFF_ANYCAST 0x01 /* anycast address */
455#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
456#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
457#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
458#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
459#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
460 * (used only at first SIOC* call)
461 */
462#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
463#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
464#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
465 * XXX: this should be temporary.
466 */
467
468/* do not input/output */
469#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
470
471#ifdef _KERNEL
472#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
473#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
474#endif
475
476#ifdef _KERNEL
477#ifdef VIMAGE_GLOBALS
478extern struct in6_ifaddr *in6_ifaddr;
479
480extern struct icmp6stat icmp6stat;
481
482extern unsigned long in6_maxmtu;
483#endif /* VIMAGE_GLOBALS */
484#define in6_ifstat_inc(ifp, tag) \
485do { \
486 if (ifp) \
487 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
488} while (/*CONSTCOND*/ 0)
489
490extern struct in6_addr zeroin6_addr;
491extern u_char inet6ctlerrmap[];
107};
108
109#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable)
110
111struct in6_ifaddr {
112 struct ifaddr ia_ifa; /* protocol-independent info */
113#define ia_ifp ia_ifa.ifa_ifp
114#define ia_flags ia_ifa.ifa_flags
115 struct sockaddr_in6 ia_addr; /* interface address */
116 struct sockaddr_in6 ia_net; /* network number of interface */
117 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
118 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
119 u_int32_t ia_plen; /* prefix length */
120 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
121 int ia6_flags;
122
123 struct in6_addrlifetime ia6_lifetime;
124 time_t ia6_createtime; /* the creation time of this address, which is
125 * currently used for temporary addresses only.
126 */
127 time_t ia6_updatetime;
128
129 /* back pointer to the ND prefix (for autoconfigured addresses only) */
130 struct nd_prefix *ia6_ndpr;
131
132 /* multicast addresses joined from the kernel */
133 LIST_HEAD(, in6_multi_mship) ia6_memberships;
134};
135
136/* control structure to manage address selection policy */
137struct in6_addrpolicy {
138 struct sockaddr_in6 addr; /* prefix address */
139 struct sockaddr_in6 addrmask; /* prefix mask */
140 int preced; /* precedence */
141 int label; /* matching label */
142 u_quad_t use; /* statistics */
143};
144
145/*
146 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
147 */
148struct in6_ifstat {
149 u_quad_t ifs6_in_receive; /* # of total input datagram */
150 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
151 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
152 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
153 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
154 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
155 /* NOTE: increment on final dst if */
156 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
157 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
158 /* NOTE: fragment timeout is not here */
159 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
160 /* NOTE: increment on final dst if */
161 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
162 /* NOTE: increment on outgoing if */
163 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
164 /* NOTE: does not include forwrads */
165 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
166 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
167 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
168 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
169 /* NOTE: this is # after fragment */
170 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
171 /* NOTE: increment on final dst if */
172 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
173 /* NOTE: this is # after reass */
174 /* NOTE: increment on final dst if */
175 u_quad_t ifs6_reass_fail; /* # of reass failures */
176 /* NOTE: may not be packet count */
177 /* NOTE: increment on final dst if */
178 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
179 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
180};
181
182/*
183 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
184 * XXX: I'm not sure if this file is the right place for this structure...
185 */
186struct icmp6_ifstat {
187 /*
188 * Input statistics
189 */
190 /* ipv6IfIcmpInMsgs, total # of input messages */
191 u_quad_t ifs6_in_msg;
192 /* ipv6IfIcmpInErrors, # of input error messages */
193 u_quad_t ifs6_in_error;
194 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
195 u_quad_t ifs6_in_dstunreach;
196 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
197 u_quad_t ifs6_in_adminprohib;
198 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
199 u_quad_t ifs6_in_timeexceed;
200 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
201 u_quad_t ifs6_in_paramprob;
202 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
203 u_quad_t ifs6_in_pkttoobig;
204 /* ipv6IfIcmpInEchos, # of input echo requests */
205 u_quad_t ifs6_in_echo;
206 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
207 u_quad_t ifs6_in_echoreply;
208 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
209 u_quad_t ifs6_in_routersolicit;
210 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
211 u_quad_t ifs6_in_routeradvert;
212 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
213 u_quad_t ifs6_in_neighborsolicit;
214 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
215 u_quad_t ifs6_in_neighboradvert;
216 /* ipv6IfIcmpInRedirects, # of input redirects */
217 u_quad_t ifs6_in_redirect;
218 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
219 u_quad_t ifs6_in_mldquery;
220 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
221 u_quad_t ifs6_in_mldreport;
222 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
223 u_quad_t ifs6_in_mlddone;
224
225 /*
226 * Output statistics. We should solve unresolved routing problem...
227 */
228 /* ipv6IfIcmpOutMsgs, total # of output messages */
229 u_quad_t ifs6_out_msg;
230 /* ipv6IfIcmpOutErrors, # of output error messages */
231 u_quad_t ifs6_out_error;
232 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
233 u_quad_t ifs6_out_dstunreach;
234 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
235 u_quad_t ifs6_out_adminprohib;
236 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
237 u_quad_t ifs6_out_timeexceed;
238 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
239 u_quad_t ifs6_out_paramprob;
240 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
241 u_quad_t ifs6_out_pkttoobig;
242 /* ipv6IfIcmpOutEchos, # of output echo requests */
243 u_quad_t ifs6_out_echo;
244 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
245 u_quad_t ifs6_out_echoreply;
246 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
247 u_quad_t ifs6_out_routersolicit;
248 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
249 u_quad_t ifs6_out_routeradvert;
250 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
251 u_quad_t ifs6_out_neighborsolicit;
252 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
253 u_quad_t ifs6_out_neighboradvert;
254 /* ipv6IfIcmpOutRedirects, # of output redirects */
255 u_quad_t ifs6_out_redirect;
256 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
257 u_quad_t ifs6_out_mldquery;
258 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
259 u_quad_t ifs6_out_mldreport;
260 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
261 u_quad_t ifs6_out_mlddone;
262};
263
264struct in6_ifreq {
265 char ifr_name[IFNAMSIZ];
266 union {
267 struct sockaddr_in6 ifru_addr;
268 struct sockaddr_in6 ifru_dstaddr;
269 int ifru_flags;
270 int ifru_flags6;
271 int ifru_metric;
272 caddr_t ifru_data;
273 struct in6_addrlifetime ifru_lifetime;
274 struct in6_ifstat ifru_stat;
275 struct icmp6_ifstat ifru_icmp6stat;
276 u_int32_t ifru_scope_id[16];
277 } ifr_ifru;
278};
279
280struct in6_aliasreq {
281 char ifra_name[IFNAMSIZ];
282 struct sockaddr_in6 ifra_addr;
283 struct sockaddr_in6 ifra_dstaddr;
284 struct sockaddr_in6 ifra_prefixmask;
285 int ifra_flags;
286 struct in6_addrlifetime ifra_lifetime;
287};
288
289/* prefix type macro */
290#define IN6_PREFIX_ND 1
291#define IN6_PREFIX_RR 2
292
293/*
294 * prefix related flags passed between kernel(NDP related part) and
295 * user land command(ifconfig) and daemon(rtadvd).
296 */
297struct in6_prflags {
298 struct prf_ra {
299 u_char onlink : 1;
300 u_char autonomous : 1;
301 u_char reserved : 6;
302 } prf_ra;
303 u_char prf_reserved1;
304 u_short prf_reserved2;
305 /* want to put this on 4byte offset */
306 struct prf_rr {
307 u_char decrvalid : 1;
308 u_char decrprefd : 1;
309 u_char reserved : 6;
310 } prf_rr;
311 u_char prf_reserved3;
312 u_short prf_reserved4;
313};
314
315struct in6_prefixreq {
316 char ipr_name[IFNAMSIZ];
317 u_char ipr_origin;
318 u_char ipr_plen;
319 u_int32_t ipr_vltime;
320 u_int32_t ipr_pltime;
321 struct in6_prflags ipr_flags;
322 struct sockaddr_in6 ipr_prefix;
323};
324
325#define PR_ORIG_RA 0
326#define PR_ORIG_RR 1
327#define PR_ORIG_STATIC 2
328#define PR_ORIG_KERNEL 3
329
330#define ipr_raf_onlink ipr_flags.prf_ra.onlink
331#define ipr_raf_auto ipr_flags.prf_ra.autonomous
332
333#define ipr_statef_onlink ipr_flags.prf_state.onlink
334
335#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
336#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
337
338struct in6_rrenumreq {
339 char irr_name[IFNAMSIZ];
340 u_char irr_origin;
341 u_char irr_m_len; /* match len for matchprefix */
342 u_char irr_m_minlen; /* minlen for matching prefix */
343 u_char irr_m_maxlen; /* maxlen for matching prefix */
344 u_char irr_u_uselen; /* uselen for adding prefix */
345 u_char irr_u_keeplen; /* keeplen from matching prefix */
346 struct irr_raflagmask {
347 u_char onlink : 1;
348 u_char autonomous : 1;
349 u_char reserved : 6;
350 } irr_raflagmask;
351 u_int32_t irr_vltime;
352 u_int32_t irr_pltime;
353 struct in6_prflags irr_flags;
354 struct sockaddr_in6 irr_matchprefix;
355 struct sockaddr_in6 irr_useprefix;
356};
357
358#define irr_raf_mask_onlink irr_raflagmask.onlink
359#define irr_raf_mask_auto irr_raflagmask.autonomous
360#define irr_raf_mask_reserved irr_raflagmask.reserved
361
362#define irr_raf_onlink irr_flags.prf_ra.onlink
363#define irr_raf_auto irr_flags.prf_ra.autonomous
364
365#define irr_statef_onlink irr_flags.prf_state.onlink
366
367#define irr_rrf irr_flags.prf_rr
368#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
369#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
370
371/*
372 * Given a pointer to an in6_ifaddr (ifaddr),
373 * return a pointer to the addr as a sockaddr_in6
374 */
375#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
376#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
377#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
378#define IA6_SIN6(ia) (&((ia)->ia_addr))
379#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
380#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
381#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
382
383#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
384
385#ifdef _KERNEL
386#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
387 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
388 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
389 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
390 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
391#endif
392
393#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
394#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
395
396#ifdef _KERNEL
397/*
398 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
399 * we do not shift numbers for binary compatibility.
400 */
401#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
402#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
403#endif
404
405#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
406#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
407
408#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
409#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
410
411#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
412#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
413#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
414
415#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
416
417#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
418#ifdef _KERNEL
419/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
420#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
421#endif
422#ifdef _KERNEL
423#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
424#endif
425#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
426#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
427#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
428#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
429#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
430#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
431
432#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
433#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
434#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
435#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
436
437#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
438#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
439
440#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
441
442#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
443#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
444#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
445
446#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
447#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
448#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
449#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
450#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
451 struct in6_rrenumreq) /* change */
452#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
453 struct in6_rrenumreq) /* set global */
454
455#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
456 struct sioc_sg_req6) /* get s,g pkt cnt */
457#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
458 struct sioc_mif_req6) /* get pkt cnt per if */
459
460#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
461#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
462
463#define IN6_IFF_ANYCAST 0x01 /* anycast address */
464#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
465#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
466#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
467#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
468#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
469 * (used only at first SIOC* call)
470 */
471#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
472#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
473#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
474 * XXX: this should be temporary.
475 */
476
477/* do not input/output */
478#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
479
480#ifdef _KERNEL
481#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
482#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
483#endif
484
485#ifdef _KERNEL
486#ifdef VIMAGE_GLOBALS
487extern struct in6_ifaddr *in6_ifaddr;
488
489extern struct icmp6stat icmp6stat;
490
491extern unsigned long in6_maxmtu;
492#endif /* VIMAGE_GLOBALS */
493#define in6_ifstat_inc(ifp, tag) \
494do { \
495 if (ifp) \
496 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
497} while (/*CONSTCOND*/ 0)
498
499extern struct in6_addr zeroin6_addr;
500extern u_char inet6ctlerrmap[];
492#ifdef MALLOC_DECLARE
493MALLOC_DECLARE(M_IP6MADDR);
494#endif /* MALLOC_DECLARE */
495
496/*
497 * Macro for finding the internet address structure (in6_ifaddr) corresponding
498 * to a given interface (ifnet structure).
499 */
500
501#define IFP_TO_IA6(ifp, ia) \
502/* struct ifnet *ifp; */ \
503/* struct in6_ifaddr *ia; */ \
504do { \
505 struct ifaddr *ifa; \
506 IF_ADDR_LOCK_ASSERT(ifp); \
507 TAILQ_FOREACH(ifa, &(ifp)->if_addrhead, ifa_link) { \
508 if (ifa->ifa_addr->sa_family == AF_INET6) \
509 break; \
510 } \
511 (ia) = (struct in6_ifaddr *)ifa; \
512} while (/*CONSTCOND*/ 0)
513
514#endif /* _KERNEL */
515
516/*
501
502/*
503 * Macro for finding the internet address structure (in6_ifaddr) corresponding
504 * to a given interface (ifnet structure).
505 */
506
507#define IFP_TO_IA6(ifp, ia) \
508/* struct ifnet *ifp; */ \
509/* struct in6_ifaddr *ia; */ \
510do { \
511 struct ifaddr *ifa; \
512 IF_ADDR_LOCK_ASSERT(ifp); \
513 TAILQ_FOREACH(ifa, &(ifp)->if_addrhead, ifa_link) { \
514 if (ifa->ifa_addr->sa_family == AF_INET6) \
515 break; \
516 } \
517 (ia) = (struct in6_ifaddr *)ifa; \
518} while (/*CONSTCOND*/ 0)
519
520#endif /* _KERNEL */
521
522/*
517 * Multi-cast membership entry. One for each group/ifp that a PCB
518 * belongs to.
523 * IPv6 multicast MLD-layer source entry.
519 */
524 */
525struct ip6_msource {
526 RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */
527 struct in6_addr im6s_addr;
528 struct im6s_st {
529 uint16_t ex; /* # of exclusive members */
530 uint16_t in; /* # of inclusive members */
531 } im6s_st[2]; /* state at t0, t1 */
532 uint8_t im6s_stp; /* pending query */
533};
534RB_HEAD(ip6_msource_tree, ip6_msource);
535
536/*
537 * IPv6 multicast PCB-layer source entry.
538 *
539 * NOTE: overlapping use of struct ip6_msource fields at start.
540 */
541struct in6_msource {
542 RB_ENTRY(ip6_msource) im6s_link; /* Common field */
543 struct in6_addr im6s_addr; /* Common field */
544 uint8_t im6sl_st[2]; /* state before/at commit */
545};
546
547#ifdef _KERNEL
548/*
549 * IPv6 source tree comparison function.
550 *
551 * An ordered predicate is necessary; bcmp() is not documented to return
552 * an indication of order, memcmp() is, and is an ISO C99 requirement.
553 */
554static __inline int
555ip6_msource_cmp(const struct ip6_msource *a, const struct ip6_msource *b)
556{
557
558 return (memcmp(&a->im6s_addr, &b->im6s_addr, sizeof(struct in6_addr)));
559}
560RB_PROTOTYPE(ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp);
561#endif /* _KERNEL */
562
563/*
564 * IPv6 multicast PCB-layer group filter descriptor.
565 */
566struct in6_mfilter {
567 struct ip6_msource_tree im6f_sources; /* source list for (S,G) */
568 u_long im6f_nsrc; /* # of source entries */
569 uint8_t im6f_st[2]; /* state before/at commit */
570};
571
572/*
573 * Legacy KAME IPv6 multicast membership descriptor.
574 */
520struct in6_multi_mship {
575struct in6_multi_mship {
521 struct in6_multi *i6mm_maddr; /* Multicast address pointer */
522 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
576 struct in6_multi *i6mm_maddr;
577 LIST_ENTRY(in6_multi_mship) i6mm_chain;
523};
524
578};
579
525struct in6_multi {
580/*
581 * IPv6 group descriptor.
582 *
583 * For every entry on an ifnet's if_multiaddrs list which represents
584 * an IP multicast group, there is one of these structures.
585 *
586 * If any source filters are present, then a node will exist in the RB-tree
587 * to permit fast lookup by source whenever an operation takes place.
588 * This permits pre-order traversal when we issue reports.
589 * Source filter trees are kept separately from the socket layer to
590 * greatly simplify locking.
591 *
592 * When MLDv2 is active, in6m_timer is the response to group query timer.
593 * The state-change timer in6m_sctimer is separate; whenever state changes
594 * for the group the state change record is generated and transmitted,
595 * and kept if retransmissions are necessary.
596 *
597 * FUTURE: in6m_link is now only used when groups are being purged
598 * on a detaching ifnet. It could be demoted to a SLIST_ENTRY, but
599 * because it is at the very start of the struct, we can't do this
600 * w/o breaking the ABI for ifmcstat.
601 */
602struct in6_multi {
526 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
603 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
527 struct in6_addr in6m_addr; /* IP6 multicast address */
604 struct in6_addr in6m_addr; /* IPv6 multicast address */
528 struct ifnet *in6m_ifp; /* back pointer to ifnet */
529 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
605 struct ifnet *in6m_ifp; /* back pointer to ifnet */
606 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
530 u_int in6m_refcount; /* # membership claims by sockets */
607 u_int in6m_refcount; /* reference count */
531 u_int in6m_state; /* state of the membership */
532 u_int in6m_timer; /* MLD6 listener report timer */
608 u_int in6m_state; /* state of the membership */
609 u_int in6m_timer; /* MLD6 listener report timer */
533 struct timeval in6m_timer_expire; /* when the timer expires */
534 struct callout *in6m_timer_ch;
610
611 /* New fields for MLDv2 follow. */
612 struct mld_ifinfo *in6m_mli; /* MLD info */
613 SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */
614 struct ip6_msource_tree in6m_srcs; /* tree of sources */
615 u_long in6m_nsrc; /* # of tree entries */
616
617 struct ifqueue in6m_scq; /* queue of pending
618 * state-change packets */
619 struct timeval in6m_lastgsrtv; /* last G-S-R query */
620 uint16_t in6m_sctimer; /* state-change timer */
621 uint16_t in6m_scrv; /* state-change rexmit count */
622
623 /*
624 * SSM state counters which track state at T0 (the time the last
625 * state-change report's RV timer went to zero) and T1
626 * (time of pending report, i.e. now).
627 * Used for computing MLDv2 state-change reports. Several refcounts
628 * are maintained here to optimize for common use-cases.
629 */
630 struct in6m_st {
631 uint16_t iss_fmode; /* MLD filter mode */
632 uint16_t iss_asm; /* # of ASM listeners */
633 uint16_t iss_ex; /* # of exclusive members */
634 uint16_t iss_in; /* # of inclusive members */
635 uint16_t iss_rec; /* # of recorded sources */
636 } in6m_st[2]; /* state at t0, t1 */
535};
536
637};
638
537#define IN6M_TIMER_UNDEF -1
639/*
640 * Helper function to derive the filter mode on a source entry
641 * from its internal counters. Predicates are:
642 * A source is only excluded if all listeners exclude it.
643 * A source is only included if no listeners exclude it,
644 * and at least one listener includes it.
645 * May be used by ifmcstat(8).
646 */
647static __inline uint8_t
648im6s_get_mode(const struct in6_multi *inm, const struct ip6_msource *ims,
649 uint8_t t)
650{
538
651
652 t = !!t;
653 if (inm->in6m_st[t].iss_ex > 0 &&
654 inm->in6m_st[t].iss_ex == ims->im6s_st[t].ex)
655 return (MCAST_EXCLUDE);
656 else if (ims->im6s_st[t].in > 0 && ims->im6s_st[t].ex == 0)
657 return (MCAST_INCLUDE);
658 return (MCAST_UNDEFINED);
659}
660
539#ifdef _KERNEL
661#ifdef _KERNEL
540/* flags to in6_update_ifa */
541#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
542
662
543extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
544
545/*
663/*
546 * Structure used by macros below to remember position when stepping through
547 * all of the in6_multi records.
664 * Lock macros for IPv6 layer multicast address lists. IPv6 lock goes
665 * before link layer multicast locks in the lock order. In most cases,
666 * consumers of IN_*_MULTI() macros should acquire the locks before
667 * calling them; users of the in_{add,del}multi() functions should not.
548 */
668 */
549struct in6_multistep {
550 struct in6_ifaddr *i_ia;
551 struct in6_multi *i_in6m;
552};
669extern struct mtx in6_multi_mtx;
670#define IN6_MULTI_LOCK() mtx_lock(&in6_multi_mtx)
671#define IN6_MULTI_UNLOCK() mtx_unlock(&in6_multi_mtx)
672#define IN6_MULTI_LOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_OWNED)
673#define IN6_MULTI_UNLOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_NOTOWNED)
553
554/*
674
675/*
555 * Macros for looking up the in6_multi record for a given IP6 multicast
556 * address on a given interface. If no matching record is found, "in6m"
557 * returns NULL.
676 * Look up an in6_multi record for an IPv6 multicast address
677 * on the interface ifp.
678 * If no record found, return NULL.
679 *
680 * SMPng: The IN6_MULTI_LOCK and IF_ADDR_LOCK on ifp must be held.
558 */
681 */
682static __inline struct in6_multi *
683in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr)
684{
685 struct ifmultiaddr *ifma;
686 struct in6_multi *inm;
559
687
560#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
561/* struct in6_addr addr; */ \
562/* struct ifnet *ifp; */ \
563/* struct in6_multi *in6m; */ \
564do { \
565 struct ifmultiaddr *ifma; \
566 IF_ADDR_LOCK(ifp); \
567 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \
568 if (ifma->ifma_addr->sa_family == AF_INET6 \
569 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
570 &(addr))) \
571 break; \
572 } \
573 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
574 IF_ADDR_UNLOCK(ifp); \
575} while(0)
688 IN6_MULTI_LOCK_ASSERT();
689 IF_ADDR_LOCK_ASSERT(ifp);
576
690
691 inm = NULL;
692 TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) {
693 if (ifma->ifma_addr->sa_family == AF_INET6) {
694 inm = (struct in6_multi *)ifma->ifma_protospec;
695 if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr))
696 break;
697 inm = NULL;
698 }
699 }
700 return (inm);
701}
702
577/*
703/*
578 * Macro to step through all of the in6_multi records, one at a time.
579 * The current position is remembered in "step", which the caller must
580 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
581 * and get the first record. Both macros return a NULL "in6m" when there
582 * are no remaining records.
704 * Wrapper for in6m_lookup_locked().
705 *
706 * SMPng: Assumes that neithr the IN6_MULTI_LOCK() or IF_ADDR_LOCK() are held.
583 */
707 */
584#define IN6_NEXT_MULTI(step, in6m) \
585/* struct in6_multistep step; */ \
586/* struct in6_multi *in6m; */ \
587do { \
588 if (((in6m) = (step).i_in6m) != NULL) \
589 (step).i_in6m = LIST_NEXT((step).i_in6m, in6m_entry); \
590} while(0)
708static __inline struct in6_multi *
709in6m_lookup(struct ifnet *ifp, const struct in6_addr *mcaddr)
710{
711 struct in6_multi *inm;
591
712
592#define IN6_FIRST_MULTI(step, in6m) \
593/* struct in6_multistep step; */ \
594/* struct in6_multi *in6m */ \
595do { \
596 (step).i_in6m = LIST_FIRST(&in6_multihead); \
597 IN6_NEXT_MULTI((step), (in6m)); \
598} while(0)
713 IN6_MULTI_LOCK();
714 IF_ADDR_LOCK(ifp);
715 inm = in6m_lookup_locked(ifp, mcaddr);
716 IF_ADDR_UNLOCK(ifp);
717 IN6_MULTI_UNLOCK();
599
718
600struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
601 int *, int));
602void in6_delmulti __P((struct in6_multi *));
603struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int);
719 return (inm);
720}
721
722/* Acquire an in6_multi record. */
723static __inline void
724in6m_acquire_locked(struct in6_multi *inm)
725{
726
727 IN6_MULTI_LOCK_ASSERT();
728 ++inm->in6m_refcount;
729}
730
731struct ip6_moptions;
732struct sockopt;
733
734/* Multicast KPIs. */
735int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *,
736 const struct sockaddr *, const struct sockaddr *);
737int in6_mc_join(struct ifnet *, const struct in6_addr *,
738 struct in6_mfilter *, struct in6_multi **, int);
739int in6_mc_join_locked(struct ifnet *, const struct in6_addr *,
740 struct in6_mfilter *, struct in6_multi **, int);
741int in6_mc_leave(struct in6_multi *, struct in6_mfilter *);
742int in6_mc_leave_locked(struct in6_multi *, struct in6_mfilter *);
743void in6m_clear_recorded(struct in6_multi *);
744void in6m_commit(struct in6_multi *);
745void in6m_print(const struct in6_multi *);
746int in6m_record_source(struct in6_multi *, const struct in6_addr *);
747void in6m_release_locked(struct in6_multi *);
748void ip6_freemoptions(struct ip6_moptions *);
749int ip6_getmoptions(struct inpcb *, struct sockopt *);
750int ip6_setmoptions(struct inpcb *, struct sockopt *);
751
752/* Legacy KAME multicast KPIs. */
753struct in6_multi_mship *
754 in6_joingroup(struct ifnet *, struct in6_addr *, int *, int);
604int in6_leavegroup(struct in6_multi_mship *);
755int in6_leavegroup(struct in6_multi_mship *);
756
757/* flags to in6_update_ifa */
758#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
759
605int in6_mask2len __P((struct in6_addr *, u_char *));
606int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
607 struct thread *));
608int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
609 struct in6_ifaddr *, int));
610void in6_purgeaddr __P((struct ifaddr *));
611int in6if_do_dad __P((struct ifnet *));
612void in6_purgeif __P((struct ifnet *));
613void in6_savemkludge __P((struct in6_ifaddr *));
614void *in6_domifattach __P((struct ifnet *));
615void in6_domifdetach __P((struct ifnet *, void *));
616void in6_setmaxmtu __P((void));
617int in6_if2idlen __P((struct ifnet *));
760int in6_mask2len __P((struct in6_addr *, u_char *));
761int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
762 struct thread *));
763int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
764 struct in6_ifaddr *, int));
765void in6_purgeaddr __P((struct ifaddr *));
766int in6if_do_dad __P((struct ifnet *));
767void in6_purgeif __P((struct ifnet *));
768void in6_savemkludge __P((struct in6_ifaddr *));
769void *in6_domifattach __P((struct ifnet *));
770void in6_domifdetach __P((struct ifnet *, void *));
771void in6_setmaxmtu __P((void));
772int in6_if2idlen __P((struct ifnet *));
618void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
619void in6_purgemkludge __P((struct ifnet *));
620struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
621struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
622char *ip6_sprintf __P((char *, const struct in6_addr *));
623int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
624int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
625int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
626void in6_prefixlen2mask __P((struct in6_addr *, int));
627int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
628 struct ifnet *));
629int in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
630void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
631void in6_purgeprefix __P((struct ifnet *));
632void in6_ifremloop(struct ifaddr *);
633void in6_ifaddloop(struct ifaddr *);
634
635int in6_is_addr_deprecated __P((struct sockaddr_in6 *));
636struct inpcb;
637int in6_src_ioctl __P((u_long, caddr_t));
638#endif /* _KERNEL */
639
640#endif /* _NETINET6_IN6_VAR_H_ */
773struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
774struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
775char *ip6_sprintf __P((char *, const struct in6_addr *));
776int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
777int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
778int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
779void in6_prefixlen2mask __P((struct in6_addr *, int));
780int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
781 struct ifnet *));
782int in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
783void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
784void in6_purgeprefix __P((struct ifnet *));
785void in6_ifremloop(struct ifaddr *);
786void in6_ifaddloop(struct ifaddr *);
787
788int in6_is_addr_deprecated __P((struct sockaddr_in6 *));
789struct inpcb;
790int in6_src_ioctl __P((u_long, caddr_t));
791#endif /* _KERNEL */
792
793#endif /* _NETINET6_IN6_VAR_H_ */