Annotation of src/sys/netinet6/in6_var.h, Revision 1.85
1.85 ! christos 1: /* $NetBSD: in6_var.h,v 1.84 2016/08/01 03:15:31 ozaki-r Exp $ */
1.32 itojun 2: /* $KAME: in6_var.h,v 1.81 2002/06/08 11:16:51 itojun Exp $ */
1.3 thorpej 3:
1.2 itojun 4: /*
5: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6: * All rights reserved.
1.15 itojun 7: *
1.2 itojun 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.
1.15 itojun 19: *
1.2 itojun 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.
1.35 agc 45: * 3. Neither the name of the University nor the names of its contributors
1.2 itojun 46: * may be used to endorse or promote products derived from this software
47: * without specific prior written permission.
48: *
49: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59: * SUCH DAMAGE.
60: *
61: * @(#)in_var.h 8.1 (Berkeley) 6/10/93
62: */
63:
64: #ifndef _NETINET6_IN6_VAR_H_
65: #define _NETINET6_IN6_VAR_H_
66:
1.55 jld 67: #include <sys/callout.h>
1.74 dholland 68: #include <sys/ioccom.h>
1.55 jld 69:
1.2 itojun 70: /*
71: * Interface address, Internet version. One of these structures
72: * is allocated for each interface with an Internet address.
73: * The ifaddr structure contains the protocol-independent part
74: * of the structure and is assumed to be first.
75: */
76:
77: /*
78: * pltime/vltime are just for future reference (required to implements 2
79: * hour rule for hosts). they should never be modified by nd6_timeout or
80: * anywhere else.
81: * userland -> kernel: accept pltime/vltime
1.22 itojun 82: * kernel -> userland: throw up everything
1.2 itojun 83: * in kernel: modify preferred/expire only
84: */
85: struct in6_addrlifetime {
1.62 christos 86: time_t ia6t_expire; /* valid lifetime expiration time */
87: time_t ia6t_preferred; /* preferred lifetime expiration time */
1.2 itojun 88: u_int32_t ia6t_vltime; /* valid lifetime */
89: u_int32_t ia6t_pltime; /* prefix lifetime */
90: };
91:
1.75 ozaki-r 92: struct lltable;
1.26 itojun 93: struct nd_ifinfo;
94: struct in6_ifextra {
95: struct in6_ifstat *in6_ifstat;
96: struct icmp6_ifstat *icmp6_ifstat;
97: struct nd_ifinfo *nd_ifinfo;
1.41 rpaulo 98: struct scope6_id *scope6_id;
1.65 christos 99: int nprefixes;
100: int ndefrouters;
1.75 ozaki-r 101: struct lltable *lltable;
1.26 itojun 102: };
103:
1.71 matt 104: LIST_HEAD(in6_multihead, in6_multi);
1.2 itojun 105: struct in6_ifaddr {
106: struct ifaddr ia_ifa; /* protocol-independent info */
107: #define ia_ifp ia_ifa.ifa_ifp
108: #define ia_flags ia_ifa.ifa_flags
109: struct sockaddr_in6 ia_addr; /* interface address */
110: struct sockaddr_in6 ia_net; /* network number of interface */
111: struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
112: struct sockaddr_in6 ia_prefixmask; /* prefix mask */
1.4 itojun 113: u_int32_t ia_plen; /* prefix length */
1.78 ozaki-r 114: /* DEPRECATED. Keep it to avoid breaking kvm(3) users */
1.2 itojun 115: struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
1.71 matt 116: struct in6_multihead ia6_multiaddrs;
1.2 itojun 117: /* list of multicast addresses */
118: int ia6_flags;
119:
1.32 itojun 120: struct in6_addrlifetime ia6_lifetime;
121: time_t ia6_createtime; /* the creation time of this address, which is
122: * currently used for temporary addresses only.
123: */
124: time_t ia6_updatetime;
125:
126: /* back pointer to the ND prefix (for autoconfigured addresses only) */
127: struct nd_prefix *ia6_ndpr;
128:
129: /* multicast addresses joined from the kernel */
130: LIST_HEAD(, in6_multi_mship) ia6_memberships;
1.78 ozaki-r 131:
1.79 ozaki-r 132: #ifdef _KERNEL
1.78 ozaki-r 133: struct pslist_entry ia6_pslist_entry;
1.79 ozaki-r 134: #endif
1.5 itojun 135: };
136:
1.84 ozaki-r 137: #ifdef _KERNEL
138: static inline void
139: ia6_acquire(struct in6_ifaddr *ia, struct psref *psref)
140: {
141:
142: KASSERT(ia != NULL);
143: ifa_acquire(&ia->ia_ifa, psref);
144: }
145:
146: static inline void
147: ia6_release(struct in6_ifaddr *ia, struct psref *psref)
148: {
149:
150: if (ia == NULL)
151: return;
152: ifa_release(&ia->ia_ifa, psref);
153: }
154: #endif
155:
1.41 rpaulo 156: /* control structure to manage address selection policy */
157: struct in6_addrpolicy {
158: struct sockaddr_in6 addr; /* prefix address */
159: struct sockaddr_in6 addrmask; /* prefix mask */
160: int preced; /* precedence */
161: int label; /* matching label */
162: u_quad_t use; /* statistics */
163: };
164:
1.5 itojun 165: /*
166: * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
167: */
168: struct in6_ifstat {
169: u_quad_t ifs6_in_receive; /* # of total input datagram */
170: u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
171: u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
172: u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
173: u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
174: u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
175: /* NOTE: increment on final dst if */
176: u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
177: u_quad_t ifs6_in_discard; /* # of discarded datagrams */
178: /* NOTE: fragment timeout is not here */
179: u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
180: /* NOTE: increment on final dst if */
181: u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
182: /* NOTE: increment on outgoing if */
183: u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
184: /* NOTE: does not include forwrads */
185: u_quad_t ifs6_out_discard; /* # of discarded datagrams */
186: u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
187: u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
188: u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
189: /* NOTE: this is # after fragment */
190: u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
191: /* NOTE: increment on final dst if */
192: u_quad_t ifs6_reass_ok; /* # of reassembled packets */
193: /* NOTE: this is # after reass */
194: /* NOTE: increment on final dst if */
195: u_quad_t ifs6_reass_fail; /* # of reass failures */
196: /* NOTE: may not be packet count */
197: /* NOTE: increment on final dst if */
198: u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
199: u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
200: };
201:
202: /*
203: * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
204: * XXX: I'm not sure if this file is the right place for this structure...
205: */
206: struct icmp6_ifstat {
207: /*
208: * Input statistics
209: */
210: /* ipv6IfIcmpInMsgs, total # of input messages */
211: u_quad_t ifs6_in_msg;
212: /* ipv6IfIcmpInErrors, # of input error messages */
213: u_quad_t ifs6_in_error;
214: /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
215: u_quad_t ifs6_in_dstunreach;
216: /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
217: u_quad_t ifs6_in_adminprohib;
218: /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
219: u_quad_t ifs6_in_timeexceed;
220: /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
221: u_quad_t ifs6_in_paramprob;
222: /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
223: u_quad_t ifs6_in_pkttoobig;
224: /* ipv6IfIcmpInEchos, # of input echo requests */
225: u_quad_t ifs6_in_echo;
226: /* ipv6IfIcmpInEchoReplies, # of input echo replies */
227: u_quad_t ifs6_in_echoreply;
228: /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
229: u_quad_t ifs6_in_routersolicit;
230: /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
231: u_quad_t ifs6_in_routeradvert;
232: /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
233: u_quad_t ifs6_in_neighborsolicit;
234: /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
235: u_quad_t ifs6_in_neighboradvert;
236: /* ipv6IfIcmpInRedirects, # of input redirects */
237: u_quad_t ifs6_in_redirect;
238: /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
239: u_quad_t ifs6_in_mldquery;
240: /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
241: u_quad_t ifs6_in_mldreport;
242: /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
243: u_quad_t ifs6_in_mlddone;
244:
245: /*
1.15 itojun 246: * Output statistics. We should solve unresolved routing problem...
1.5 itojun 247: */
248: /* ipv6IfIcmpOutMsgs, total # of output messages */
249: u_quad_t ifs6_out_msg;
250: /* ipv6IfIcmpOutErrors, # of output error messages */
251: u_quad_t ifs6_out_error;
252: /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
253: u_quad_t ifs6_out_dstunreach;
254: /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
255: u_quad_t ifs6_out_adminprohib;
256: /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
257: u_quad_t ifs6_out_timeexceed;
258: /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
259: u_quad_t ifs6_out_paramprob;
260: /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
261: u_quad_t ifs6_out_pkttoobig;
262: /* ipv6IfIcmpOutEchos, # of output echo requests */
263: u_quad_t ifs6_out_echo;
264: /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
265: u_quad_t ifs6_out_echoreply;
266: /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
267: u_quad_t ifs6_out_routersolicit;
268: /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
269: u_quad_t ifs6_out_routeradvert;
270: /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
271: u_quad_t ifs6_out_neighborsolicit;
272: /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
273: u_quad_t ifs6_out_neighboradvert;
274: /* ipv6IfIcmpOutRedirects, # of output redirects */
275: u_quad_t ifs6_out_redirect;
276: /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
277: u_quad_t ifs6_out_mldquery;
278: /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
279: u_quad_t ifs6_out_mldreport;
280: /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
281: u_quad_t ifs6_out_mlddone;
1.2 itojun 282: };
283:
1.64 christos 284: /*
285: * If you make changes that change the size of in6_ifreq,
286: * make sure you fix compat/netinet6/in6_var.h
287: */
1.2 itojun 288: struct in6_ifreq {
289: char ifr_name[IFNAMSIZ];
290: union {
291: struct sockaddr_in6 ifru_addr;
292: struct sockaddr_in6 ifru_dstaddr;
293: short ifru_flags;
294: int ifru_flags6;
295: int ifru_metric;
1.50 christos 296: void * ifru_data;
1.2 itojun 297: struct in6_addrlifetime ifru_lifetime;
1.5 itojun 298: struct in6_ifstat ifru_stat;
299: struct icmp6_ifstat ifru_icmp6stat;
1.2 itojun 300: } ifr_ifru;
301: };
302:
303: struct in6_aliasreq {
304: char ifra_name[IFNAMSIZ];
305: struct sockaddr_in6 ifra_addr;
306: struct sockaddr_in6 ifra_dstaddr;
307: struct sockaddr_in6 ifra_prefixmask;
308: int ifra_flags;
309: struct in6_addrlifetime ifra_lifetime;
310: };
311:
1.5 itojun 312: /* prefix type macro */
313: #define IN6_PREFIX_ND 1
314: #define IN6_PREFIX_RR 2
315:
1.2 itojun 316: /*
317: * prefix related flags passed between kernel(NDP related part) and
318: * user land command(ifconfig) and daemon(rtadvd).
1.43 rpaulo 319: * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but
320: * it was (probably unintentionally) used in nd6.h as well. Since C++ does
321: * not allow such a reference, prf_ra{} was then moved outside. In general,
322: * however, this structure should not be used directly.
1.2 itojun 323: */
1.36 itojun 324: struct prf_ra {
1.46 christos 325: u_int32_t onlink : 1;
326: u_int32_t autonomous : 1;
327: u_int32_t router : 1;
328: u_int32_t reserved : 5;
1.36 itojun 329: };
330:
1.2 itojun 331: struct in6_prflags {
1.36 itojun 332: struct prf_ra prf_ra;
1.2 itojun 333: u_char prf_reserved1;
334: u_short prf_reserved2;
335: /* want to put this on 4byte offset */
336: struct prf_rr {
1.46 christos 337: u_int32_t decrvalid : 1;
338: u_int32_t decrprefd : 1;
339: u_int32_t reserved : 6;
1.2 itojun 340: } prf_rr;
341: u_char prf_reserved3;
342: u_short prf_reserved4;
343: };
344:
345: struct in6_prefixreq {
346: char ipr_name[IFNAMSIZ];
347: u_char ipr_origin;
348: u_char ipr_plen;
1.4 itojun 349: u_int32_t ipr_vltime;
350: u_int32_t ipr_pltime;
1.2 itojun 351: struct in6_prflags ipr_flags;
352: struct sockaddr_in6 ipr_prefix;
353: };
354:
355: #define PR_ORIG_RA 0
356: #define PR_ORIG_RR 1
357: #define PR_ORIG_STATIC 2
1.5 itojun 358: #define PR_ORIG_KERNEL 3
1.2 itojun 359:
360: #define ipr_raf_onlink ipr_flags.prf_ra.onlink
361: #define ipr_raf_auto ipr_flags.prf_ra.autonomous
362:
363: #define ipr_statef_onlink ipr_flags.prf_state.onlink
364:
365: #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
366: #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
367:
368: struct in6_rrenumreq {
369: char irr_name[IFNAMSIZ];
370: u_char irr_origin;
371: u_char irr_m_len; /* match len for matchprefix */
372: u_char irr_m_minlen; /* minlen for matching prefix */
373: u_char irr_m_maxlen; /* maxlen for matching prefix */
374: u_char irr_u_uselen; /* uselen for adding prefix */
375: u_char irr_u_keeplen; /* keeplen from matching prefix */
376: struct irr_raflagmask {
1.46 christos 377: u_int32_t onlink : 1;
378: u_int32_t autonomous : 1;
379: u_int32_t reserved : 6;
1.2 itojun 380: } irr_raflagmask;
1.4 itojun 381: u_int32_t irr_vltime;
382: u_int32_t irr_pltime;
1.2 itojun 383: struct in6_prflags irr_flags;
384: struct sockaddr_in6 irr_matchprefix;
385: struct sockaddr_in6 irr_useprefix;
386: };
387:
388: #define irr_raf_mask_onlink irr_raflagmask.onlink
389: #define irr_raf_mask_auto irr_raflagmask.autonomous
390: #define irr_raf_mask_reserved irr_raflagmask.reserved
391:
392: #define irr_raf_onlink irr_flags.prf_ra.onlink
393: #define irr_raf_auto irr_flags.prf_ra.autonomous
394:
395: #define irr_statef_onlink irr_flags.prf_state.onlink
396:
397: #define irr_rrf irr_flags.prf_rr
398: #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
399: #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
400:
401: /*
402: * Given a pointer to an in6_ifaddr (ifaddr),
403: * return a pointer to the addr as a sockaddr_in6
404: */
1.5 itojun 405: #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
406: #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
407: #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
408: #define IA6_SIN6(ia) (&((ia)->ia_addr))
409: #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
410: #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
411: #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
1.2 itojun 412:
1.5 itojun 413: #ifdef _KERNEL
1.2 itojun 414: #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
415: (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
416: (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
417: (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
418: (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
1.5 itojun 419: #endif
1.2 itojun 420:
421: #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
422: #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
1.11 itojun 423:
424: #ifdef _KERNEL
425: /*
426: * SIOCSxxx ioctls should be unused (see comments in in6.c), but
427: * we do not shift numbers for binary compatibility.
428: */
1.2 itojun 429: #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
1.11 itojun 430: #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
1.15 itojun 431: #endif
1.11 itojun 432:
1.2 itojun 433: #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
434: #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
435:
436: #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
1.63 christos 437: /* 26 was OSIOCAIFADDR_IN6 */
1.2 itojun 438:
1.63 christos 439: /* 70 was OSIOCSIFPHYADDR_IN6 */
1.2 itojun 440: #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
441: #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
442:
443: #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
444:
445: #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
1.32 itojun 446: #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
1.27 itojun 447: #ifdef _KERNEL
448: #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
449: #endif
1.2 itojun 450: #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
451: #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
452: #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
453: #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
1.62 christos 454: /* 81 was old SIOCGIFALIFETIME_IN6 */
1.53 gdt 455: #if 0
456: /* withdrawn - do not reuse number 82 */
1.2 itojun 457: #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
1.53 gdt 458: #endif
1.5 itojun 459: #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
460: #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
461:
462: #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
463: #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
1.16 itojun 464:
465: #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
1.2 itojun 466:
467: #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
468: #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
469: #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
470: #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
471: #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
472: struct in6_rrenumreq) /* change */
473: #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
474: struct in6_rrenumreq) /* set global */
1.62 christos 475: #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq)
1.63 christos 476: #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq)
477: #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
478: #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
479: #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq)
1.62 christos 480:
1.2 itojun 481:
1.62 christos 482: /* XXX: Someone decided to switch to 'u' here for unknown reasons! */
1.2 itojun 483: #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
484: struct sioc_sg_req6) /* get s,g pkt cnt */
485: #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
486: struct sioc_mif_req6) /* get pkt cnt per if */
1.41 rpaulo 487: #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
488: #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
1.2 itojun 489:
490: #define IN6_IFF_ANYCAST 0x01 /* anycast address */
491: #define IN6_IFF_TENTATIVE 0x02 /* tentative address */
492: #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
493: #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
494: #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
1.32 itojun 495: #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
496: * (used only at first SIOC* call)
497: */
498: #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
1.43 rpaulo 499: #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
1.2 itojun 500:
1.85 ! christos 501: #define IN6_IFFBITS \
! 502: "\020\1ANYCAST\2TENTATIVE\3DUPLICATED\4DETACHED\5DEPRECAGTED\6NODAD" \
! 503: "\7AUTOCONF\10TEMPORARY"
! 504:
! 505:
1.2 itojun 506: /* do not input/output */
507: #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
1.11 itojun 508:
509: #ifdef _KERNEL
510: #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
511: #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
512: #endif
1.2 itojun 513:
514: #ifdef _KERNEL
1.69 rmind 515:
1.84 ozaki-r 516: #include <sys/mutex.h>
517: #include <sys/pserialize.h>
518:
1.69 rmind 519: #include <net/pktqueue.h>
520:
521: extern pktqueue_t *ip6_pktq;
522:
1.34 thorpej 523: MALLOC_DECLARE(M_IP6OPT);
524:
1.84 ozaki-r 525: extern struct pslist_head in6_ifaddr_list;
526: extern kmutex_t in6_ifaddr_lock;
1.78 ozaki-r 527:
528: #define IN6_ADDRLIST_ENTRY_INIT(__ia) \
529: PSLIST_ENTRY_INIT((__ia), ia6_pslist_entry)
1.80 ozaki-r 530: #define IN6_ADDRLIST_ENTRY_DESTROY(__ia) \
531: PSLIST_ENTRY_DESTROY((__ia), ia6_pslist_entry)
1.78 ozaki-r 532: #define IN6_ADDRLIST_READER_EMPTY() \
533: (PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \
534: ia6_pslist_entry) == NULL)
535: #define IN6_ADDRLIST_READER_FIRST() \
536: PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \
537: ia6_pslist_entry)
538: #define IN6_ADDRLIST_READER_NEXT(__ia) \
539: PSLIST_READER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry)
540: #define IN6_ADDRLIST_READER_FOREACH(__ia) \
541: PSLIST_READER_FOREACH((__ia), &in6_ifaddr_list, \
542: struct in6_ifaddr, ia6_pslist_entry)
543: #define IN6_ADDRLIST_WRITER_INSERT_HEAD(__ia) \
544: PSLIST_WRITER_INSERT_HEAD(&in6_ifaddr_list, (__ia), ia6_pslist_entry)
545: #define IN6_ADDRLIST_WRITER_REMOVE(__ia) \
546: PSLIST_WRITER_REMOVE((__ia), ia6_pslist_entry)
547: #define IN6_ADDRLIST_WRITER_FOREACH(__ia) \
548: PSLIST_WRITER_FOREACH((__ia), &in6_ifaddr_list, struct in6_ifaddr, \
549: ia6_pslist_entry)
550: #define IN6_ADDRLIST_WRITER_FIRST() \
551: PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \
552: ia6_pslist_entry)
553: #define IN6_ADDRLIST_WRITER_NEXT(__ia) \
554: PSLIST_WRITER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry)
555: #define IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia, __new) \
556: PSLIST_WRITER_INSERT_AFTER((__ia), (__new), ia6_pslist_entry)
557: #define IN6_ADDRLIST_WRITER_EMPTY() \
558: (PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \
559: ia6_pslist_entry) == NULL)
560: #define IN6_ADDRLIST_WRITER_INSERT_TAIL(__new) \
561: do { \
562: if (IN6_ADDRLIST_WRITER_EMPTY()) { \
563: IN6_ADDRLIST_WRITER_INSERT_HEAD((__new)); \
564: } else { \
565: struct in6_ifaddr *__ia; \
566: IN6_ADDRLIST_WRITER_FOREACH(__ia) { \
567: if (IN6_ADDRLIST_WRITER_NEXT(__ia) == NULL) { \
568: IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia,\
569: (__new)); \
570: break; \
571: } \
572: } \
573: } \
574: } while (0)
1.5 itojun 575:
576: #define in6_ifstat_inc(ifp, tag) \
577: do { \
1.26 itojun 578: if (ifp) \
579: ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
1.33 perry 580: } while (/*CONSTCOND*/ 0)
1.5 itojun 581:
1.60 matt 582: extern const struct in6_addr zeroin6_addr;
583: extern const u_char inet6ctlerrmap[];
1.2 itojun 584: extern unsigned long in6_maxmtu;
1.67 pooka 585: extern bool in6_present;
1.76 riastrad 586: extern callout_t in6_tmpaddrtimer_ch;
1.2 itojun 587:
588: /*
589: * Macro for finding the internet address structure (in6_ifaddr) corresponding
590: * to a given interface (ifnet structure).
591: */
1.52 dyoung 592: static inline struct in6_ifaddr *
1.83 ozaki-r 593: in6_get_ia_from_ifp(struct ifnet *ifp)
1.52 dyoung 594: {
595: struct ifaddr *ifa;
596:
1.82 ozaki-r 597: IFADDR_READER_FOREACH(ifa, ifp) {
1.52 dyoung 598: if (ifa->ifa_addr->sa_family == AF_INET6)
599: break;
600: }
601: return (struct in6_ifaddr *)ifa;
602: }
603:
1.84 ozaki-r 604: static inline struct in6_ifaddr *
605: in6_get_ia_from_ifp_psref(struct ifnet *ifp, struct psref *psref)
606: {
607: struct in6_ifaddr *ia;
608: int s;
609:
610: s = pserialize_read_enter();
611: ia = in6_get_ia_from_ifp(ifp);
612: if (ia != NULL)
613: ia6_acquire(ia, psref);
614: pserialize_read_exit(s);
615:
616: return ia;
617: }
1.2 itojun 618: #endif /* _KERNEL */
619:
620: /*
621: * Multi-cast membership entry. One for each group/ifp that a PCB
622: * belongs to.
623: */
624: struct in6_multi_mship {
625: struct in6_multi *i6mm_maddr; /* Multicast address pointer */
626: LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
627: };
628:
629: struct in6_multi {
630: LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
631: struct in6_addr in6m_addr; /* IP6 multicast address */
632: struct ifnet *in6m_ifp; /* back pointer to ifnet */
1.18 itojun 633: struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */
1.2 itojun 634: u_int in6m_refcount; /* # membership claims by sockets */
635: u_int in6m_state; /* state of the membership */
1.43 rpaulo 636: int in6m_timer; /* delay to send the 1st report */
637: struct timeval in6m_timer_expire; /* when the timer expires */
1.54 joerg 638: callout_t in6m_timer_ch;
1.2 itojun 639: };
1.43 rpaulo 640:
641: #define IN6M_TIMER_UNDEF -1
642:
1.2 itojun 643:
644: #ifdef _KERNEL
1.43 rpaulo 645: /* flags to in6_update_ifa */
646: #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
1.5 itojun 647:
1.2 itojun 648: /*
649: * Structure used by macros below to remember position when stepping through
1.20 itojun 650: * all of the in6_multi records.
1.2 itojun 651: */
652: struct in6_multistep {
653: struct in6_ifaddr *i_ia;
654: struct in6_multi *i_in6m;
655: };
656:
657: /*
658: * Macros for looking up the in6_multi record for a given IP6 multicast
659: * address on a given interface. If no matching record is found, "in6m"
1.42 rpaulo 660: * returns NULL.
1.2 itojun 661: */
662:
1.52 dyoung 663: static inline struct in6_multi *
664: in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp)
665: {
666: struct in6_multi *in6m;
667: struct in6_ifaddr *ia;
1.84 ozaki-r 668: int s;
1.52 dyoung 669:
1.84 ozaki-r 670: s = pserialize_read_enter();
671: if ((ia = in6_get_ia_from_ifp(ifp)) == NULL) {
672: pserialize_read_exit(s);
1.52 dyoung 673: return NULL;
1.84 ozaki-r 674: }
1.52 dyoung 675: LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) {
676: if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr))
677: break;
678: }
1.84 ozaki-r 679: pserialize_read_exit(s);
1.52 dyoung 680: return in6m;
681: }
682:
683: #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \
684: /* struct in6_addr __addr; */ \
685: /* struct ifnet *__ifp; */ \
686: /* struct in6_multi *__in6m; */ \
1.5 itojun 687: do { \
1.52 dyoung 688: (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \
1.33 perry 689: } while (/*CONSTCOND*/ 0)
1.2 itojun 690:
691: /*
692: * Macro to step through all of the in6_multi records, one at a time.
693: * The current position is remembered in "step", which the caller must
694: * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
695: * and get the first record. Both macros return a NULL "in6m" when there
696: * are no remaining records.
697: */
1.52 dyoung 698: static inline struct in6_multi *
699: in6_next_multi(struct in6_multistep *step)
700: {
701: struct in6_multi *in6m;
702:
703: if ((in6m = step->i_in6m) != NULL) {
704: step->i_in6m = LIST_NEXT(in6m, in6m_entry);
705: return in6m;
706: }
707: while (step->i_ia != NULL) {
708: in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs);
1.84 ozaki-r 709: /* FIXME NOMPSAFE */
1.78 ozaki-r 710: step->i_ia = IN6_ADDRLIST_READER_NEXT(step->i_ia);
1.52 dyoung 711: if (in6m != NULL) {
712: step->i_in6m = LIST_NEXT(in6m, in6m_entry);
713: break;
714: }
715: }
716: return in6m;
717: }
718:
719: static inline struct in6_multi *
720: in6_first_multi(struct in6_multistep *step)
721: {
1.78 ozaki-r 722:
1.84 ozaki-r 723: /* FIXME NOMPSAFE */
1.78 ozaki-r 724: step->i_ia = IN6_ADDRLIST_READER_FIRST();
1.52 dyoung 725: step->i_in6m = NULL;
726: return in6_next_multi(step);
727: }
728:
729: #define IN6_NEXT_MULTI(__step, __in6m) \
730: /* struct in6_multistep __step; */ \
731: /* struct in6_multi *__in6m; */ \
732: do { \
733: (__in6m) = in6_next_multi(&(__step)); \
1.33 perry 734: } while (/*CONSTCOND*/ 0)
1.2 itojun 735:
1.52 dyoung 736: #define IN6_FIRST_MULTI(__step, __in6m) \
737: /* struct in6_multistep __step; */ \
738: /* struct in6_multi *__in6m */ \
1.5 itojun 739: do { \
1.52 dyoung 740: (__in6m) = in6_first_multi(&(__step)); \
1.33 perry 741: } while (/*CONSTCOND*/ 0)
1.5 itojun 742:
1.43 rpaulo 743:
1.52 dyoung 744: #if 0
1.43 rpaulo 745: /*
746: * Macros for looking up the in6_multi_mship record for a given IP6 multicast
747: * address on a given interface. If no matching record is found, "imm"
748: * returns NULL.
749: */
1.52 dyoung 750: static inline struct in6_multi_mship *
751: in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp,
752: struct ip6_moptions *imop)
753: {
754: struct in6_multi_mship *imm;
755:
756: LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) {
757: if (imm->i6mm_maddr->in6m_ifp != ifp)
758: continue;
759: if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr,
760: addr))
761: break;
762: }
763: return imm;
764: }
765:
766: #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \
767: /* struct in6_addr __addr; */ \
768: /* struct ifnet *__ifp; */ \
769: /* struct ip6_moptions *__imop */ \
770: /* struct in6_multi_mship *__imm; */ \
1.43 rpaulo 771: do { \
1.52 dyoung 772: (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \
1.43 rpaulo 773: } while (/*CONSTCOND*/ 0)
1.52 dyoung 774: #endif
1.43 rpaulo 775:
1.81 ozaki-r 776: void in6_init(void);
777:
1.48 dyoung 778: struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *,
779: int *, int);
780: void in6_delmulti(struct in6_multi *);
781: struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *,
782: int *, int);
783: int in6_leavegroup(struct in6_multi_mship *);
784: int in6_mask2len(struct in6_addr *, u_char *);
1.70 rtr 785: int in6_control(struct socket *, u_long, void *, struct ifnet *);
1.48 dyoung 786: int in6_update_ifa(struct ifnet *, struct in6_aliasreq *,
787: struct in6_ifaddr *, int);
788: void in6_purgeaddr(struct ifaddr *);
789: void in6_purgeif(struct ifnet *);
790: void in6_savemkludge(struct in6_ifaddr *);
791: void in6_setmaxmtu (void);
792: int in6_if2idlen (struct ifnet *);
793: void *in6_domifattach(struct ifnet *);
794: void in6_domifdetach(struct ifnet *, void *);
795: void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *);
1.72 roy 796: void in6_ifremlocal(struct ifaddr *);
797: void in6_ifaddlocal(struct ifaddr *);
1.48 dyoung 798: void in6_createmkludge(struct ifnet *);
799: void in6_purgemkludge(struct ifnet *);
1.84 ozaki-r 800: struct in6_ifaddr *
801: in6ifa_ifpforlinklocal(const struct ifnet *, int);
802: struct in6_ifaddr *
803: in6ifa_ifpforlinklocal_psref(const struct ifnet *, int, struct psref *);
804: struct in6_ifaddr *
805: in6ifa_ifpwithaddr(const struct ifnet *, const struct in6_addr *);
806: struct in6_ifaddr *
807: in6ifa_ifpwithaddr_psref(const struct ifnet *, const struct in6_addr *,
808: struct psref *);
1.75 ozaki-r 809: struct in6_ifaddr *in6ifa_ifwithaddr(const struct in6_addr *, uint32_t);
1.48 dyoung 810: char *ip6_sprintf(const struct in6_addr *);
811: int in6_matchlen(struct in6_addr *, struct in6_addr *);
812: int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int);
813: void in6_prefixlen2mask(struct in6_addr *, int);
814: void in6_purgeprefix(struct ifnet *);
1.17 itojun 815:
1.66 christos 816: int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */
1.51 liamjfoy 817:
1.50 christos 818: int in6_src_ioctl(u_long, void *);
1.48 dyoung 819: int in6_is_addr_deprecated(struct sockaddr_in6 *);
1.17 itojun 820: struct in6pcb;
1.75 ozaki-r 821:
822: #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable)
823:
1.2 itojun 824: #endif /* _KERNEL */
825:
1.40 elad 826: #endif /* !_NETINET6_IN6_VAR_H_ */
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