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in6.h @ 444

Last change on this file since 444 was 444, checked in by satin@…, 6 years ago
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
File size: 23.4 KB

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1	/* $FreeBSD: src/sys/netinet6/in6.h,v 1.19 2002/04/19 04:46:22 suz Exp $ */
2	/* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 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) 1982, 1986, 1990, 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.h 8.3 (Berkeley) 1/3/94
66	*/
67
68	#ifndef __KAME_NETINET_IN_H_INCLUDED_
69	#error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553"
70	#endif
71
72	#ifndef _NETINET6_IN6_H_
73	#define _NETINET6_IN6_H_
74
75	#include <sys/types.h>
76
77	/*
78	* Identification of the network protocol stack
79	* for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
80	* has the table of implementation/integration differences.
81	*/
82	#define __KAME__
83	#define __KAME_VERSION "20010528/FreeBSD"
84
85	/*
86	* Local port number conventions:
87	*
88	* Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
89	* unless a kernel is compiled with IPNOPRIVPORTS defined.
90	*
91	* When a user does a bind(2) or connect(2) with a port number of zero,
92	* a non-conflicting local port address is chosen.
93	*
94	* The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
95	* that is settable by sysctl(3); net.inet.ip.anonportmin and
96	* net.inet.ip.anonportmax respectively.
97	*
98	* A user may set the IPPROTO_IP option IP_PORTRANGE to change this
99	* default assignment range.
100	*
101	* The value IP_PORTRANGE_DEFAULT causes the default behavior.
102	*
103	* The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
104	* and exists only for FreeBSD compatibility purposes.
105	*
106	* The value IP_PORTRANGE_LOW changes the range to the "low" are
107	* that is (by convention) restricted to privileged processes.
108	* This convention is based on "vouchsafe" principles only.
109	* It is only secure if you trust the remote host to restrict these ports.
110	* The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
111	*/
112
113	#define IPV6PORT_RESERVED 1024
114	#define IPV6PORT_ANONMIN 49152
115	#define IPV6PORT_ANONMAX 65535
116	#define IPV6PORT_RESERVEDMIN 600
117	#define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1)
118
119	/*
120	* IPv6 address
121	*/
122	struct in6_addr {
123	union {
124	uint8_t __u6_addr8[16];
125	uint16_t __u6_addr16[8];
126	uint32_t __u6_addr32[4];
127	} __u6_addr; /* 128-bit IP6 address */
128	};
129
130	#define s6_addr __u6_addr.__u6_addr8
131	#ifdef _KERNEL /* XXX nonstandard */
132	#define s6_addr8 __u6_addr.__u6_addr8
133	#define s6_addr16 __u6_addr.__u6_addr16
134	#define s6_addr32 __u6_addr.__u6_addr32
135	#endif
136
137	#define INET6_ADDRSTRLEN 46
138
139	/*
140	* Socket address for IPv6
141	*/
142	#ifndef _XOPEN_SOURCE
143	#define SIN6_LEN
144	#endif
145	struct sockaddr_in6 {
146	uint8_t sin6_family; /* AF_INET6 (sa_family_t) */
147	uint16_t sin6_port; /* Transport layer port # (in_port_t)*/
148	uint32_t sin6_flowinfo; /* IP6 flow information */
149	struct in6_addr sin6_addr; /* IP6 address */
150	uint32_t sin6_scope_id; /* scope zone index */
151	};
152
153	/*
154	* Local definition for masks
155	*/
156	#ifdef _KERNEL /* XXX nonstandard */
157	#define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
158	#define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
159	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
160	#define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
161	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
162	#define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
163	0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
164	#define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
165	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
166	#endif
167
168	#ifdef _KERNEL
169	extern const struct sockaddr_in6 sa6_any;
170
171	extern const struct in6_addr in6mask0;
172	extern const struct in6_addr in6mask32;
173	extern const struct in6_addr in6mask64;
174	extern const struct in6_addr in6mask96;
175	extern const struct in6_addr in6mask128;
176	#endif /* _KERNEL */
177
178	/*
179	* Macros started with IPV6_ADDR is KAME local
180	*/
181	#ifdef _KERNEL /* XXX nonstandard */
182	#if BYTE_ORDER == BIG_ENDIAN
183	#define IPV6_ADDR_INT32_ONE 1
184	#define IPV6_ADDR_INT32_TWO 2
185	#define IPV6_ADDR_INT32_MNL 0xff010000
186	#define IPV6_ADDR_INT32_MLL 0xff020000
187	#define IPV6_ADDR_INT32_SMP 0x0000ffff
188	#define IPV6_ADDR_INT16_ULL 0xfe80
189	#define IPV6_ADDR_INT16_USL 0xfec0
190	#define IPV6_ADDR_INT16_MLL 0xff02
191	#elif BYTE_ORDER == LITTLE_ENDIAN
192	#define IPV6_ADDR_INT32_ONE 0x01000000
193	#define IPV6_ADDR_INT32_TWO 0x02000000
194	#define IPV6_ADDR_INT32_MNL 0x000001ff
195	#define IPV6_ADDR_INT32_MLL 0x000002ff
196	#define IPV6_ADDR_INT32_SMP 0xffff0000
197	#define IPV6_ADDR_INT16_ULL 0x80fe
198	#define IPV6_ADDR_INT16_USL 0xc0fe
199	#define IPV6_ADDR_INT16_MLL 0x02ff
200	#endif
201	#endif
202
203	/*
204	* Definition of some useful macros to handle IP6 addresses
205	*/
206	#define IN6ADDR_ANY_INIT \
207	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
208	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
209	#define IN6ADDR_LOOPBACK_INIT \
210	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
211	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
212	#define IN6ADDR_NODELOCAL_ALLNODES_INIT \
213	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
214	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
215	#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
216	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
217	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
218	#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
219	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
220	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
221
222	extern const struct in6_addr in6addr_any;
223	extern const struct in6_addr in6addr_loopback;
224	extern const struct in6_addr in6addr_nodelocal_allnodes;
225	extern const struct in6_addr in6addr_linklocal_allnodes;
226	extern const struct in6_addr in6addr_linklocal_allrouters;
227
228	/*
229	* Equality
230	* NOTE: Some of kernel programming environment (for example, openbsd/sparc)
231	* does not supply memcmp(). For userland memcmp() is preferred as it is
232	* in ANSI standard.
233	*/
234	#ifdef _KERNEL
235	#define IN6_ARE_ADDR_EQUAL(a, b) \
236	(bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
237	#else
238	#define IN6_ARE_ADDR_EQUAL(a, b) \
239	(memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
240	#endif
241
242	#ifdef _KERNEL /* non standard */
243	/* see if two addresses are equal in a scope-conscious manner. */
244	#define SA6_ARE_ADDR_EQUAL(a, b) \
245	(((a)->sin6_scope_id == 0 \|\| (b)->sin6_scope_id == 0 \|\| \
246	((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
247	(bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
248	#endif
249
250	/*
251	* Unspecified
252	*/
253	#define IN6_IS_ADDR_UNSPECIFIED(a) \
254	(((const uint32_t )(const void *)(&(a)->s6_addr[0]) == 0) && \
255	((const uint32_t )(const void *)(&(a)->s6_addr[4]) == 0) && \
256	((const uint32_t )(const void *)(&(a)->s6_addr[8]) == 0) && \
257	((const uint32_t )(const void *)(&(a)->s6_addr[12]) == 0))
258
259	/*
260	* Loopback
261	*/
262	#define IN6_IS_ADDR_LOOPBACK(a) \
263	(((const uint32_t )(const void *)(&(a)->s6_addr[0]) == 0) && \
264	((const uint32_t )(const void *)(&(a)->s6_addr[4]) == 0) && \
265	((const uint32_t )(const void *)(&(a)->s6_addr[8]) == 0) && \
266	((const uint32_t )(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
267
268	/*
269	* IPv4 compatible
270	*/
271	#define IN6_IS_ADDR_V4COMPAT(a) \
272	(((const uint32_t )(const void *)(&(a)->s6_addr[0]) == 0) && \
273	((const uint32_t )(const void *)(&(a)->s6_addr[4]) == 0) && \
274	((const uint32_t )(const void *)(&(a)->s6_addr[8]) == 0) && \
275	((const uint32_t )(const void *)(&(a)->s6_addr[12]) != 0) && \
276	((const uint32_t )(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
277
278	/*
279	* Mapped
280	*/
281	#define IN6_IS_ADDR_V4MAPPED(a) \
282	(((const uint32_t )(const void *)(&(a)->s6_addr[0]) == 0) && \
283	((const uint32_t )(const void *)(&(a)->s6_addr[4]) == 0) && \
284	((const uint32_t )(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
285
286	/*
287	* KAME Scope Values
288	*/
289
290	#ifdef _KERNEL /* XXX nonstandard */
291	#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
292	#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
293	#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
294	#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */
295	#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
296	#else
297	#define __IPV6_ADDR_SCOPE_NODELOCAL 0x01
298	#define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02
299	#define __IPV6_ADDR_SCOPE_SITELOCAL 0x05
300	#define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */
301	#define __IPV6_ADDR_SCOPE_GLOBAL 0x0e
302	#endif
303
304	/*
305	* Unicast Scope
306	* Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
307	*/
308	#define IN6_IS_ADDR_LINKLOCAL(a) \
309	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
310	#define IN6_IS_ADDR_SITELOCAL(a) \
311	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
312
313	/*
314	* Multicast
315	*/
316	#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
317
318	#ifdef _KERNEL /* XXX nonstandard */
319	#define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
320	#else
321	#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
322	#endif
323
324	/*
325	* Multicast Scope
326	*/
327	#ifdef _KERNEL /* refers nonstandard items */
328	#define IN6_IS_ADDR_MC_NODELOCAL(a) \
329	(IN6_IS_ADDR_MULTICAST(a) && \
330	(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
331	#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
332	(IN6_IS_ADDR_MULTICAST(a) && \
333	(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
334	#define IN6_IS_ADDR_MC_SITELOCAL(a) \
335	(IN6_IS_ADDR_MULTICAST(a) && \
336	(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
337	#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
338	(IN6_IS_ADDR_MULTICAST(a) && \
339	(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
340	#define IN6_IS_ADDR_MC_GLOBAL(a) \
341	(IN6_IS_ADDR_MULTICAST(a) && \
342	(IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
343	#else
344	#define IN6_IS_ADDR_MC_NODELOCAL(a) \
345	(IN6_IS_ADDR_MULTICAST(a) && \
346	(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
347	#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
348	(IN6_IS_ADDR_MULTICAST(a) && \
349	(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
350	#define IN6_IS_ADDR_MC_SITELOCAL(a) \
351	(IN6_IS_ADDR_MULTICAST(a) && \
352	(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
353	#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
354	(IN6_IS_ADDR_MULTICAST(a) && \
355	(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
356	#define IN6_IS_ADDR_MC_GLOBAL(a) \
357	(IN6_IS_ADDR_MULTICAST(a) && \
358	(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
359	#endif
360
361	#ifdef _KERNEL /* nonstandard */
362	/*
363	* KAME Scope
364	*/
365	#define IN6_IS_SCOPE_LINKLOCAL(a) \
366	((IN6_IS_ADDR_LINKLOCAL(a)) \|\| \
367	(IN6_IS_ADDR_MC_LINKLOCAL(a)))
368
369	#define IFA6_IS_DEPRECATED(a) \
370	((a)->ia6_lifetime.ia6t_preferred != 0 && \
371	(a)->ia6_lifetime.ia6t_preferred < time_second)
372	#define IFA6_IS_INVALID(a) \
373	((a)->ia6_lifetime.ia6t_expire != 0 && \
374	(a)->ia6_lifetime.ia6t_expire < time_second)
375	#endif /* _KERNEL */
376
377	/*
378	* IP6 route structure
379	*/
380	#ifndef _XOPEN_SOURCE
381	struct route_in6 {
382	struct rtentry *ro_rt;
383	struct sockaddr_in6 ro_dst;
384	};
385	#endif
386
387	/*
388	* Options for use with [gs]etsockopt at the IPV6 level.
389	* First word of comment is data type; bool is stored in int.
390	*/
391	/* no hdrincl */
392	#if 0 /* the followings are relic in IPv4 and hence are disabled */
393	#define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */
394	#define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */
395	#define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */
396	#define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */
397	#define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */
398	#endif
399	#define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */
400	#define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */
401	#define IPV6_MULTICAST_IF 9 /* u_char; set/get IP6 multicast i/f */
402	#define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */
403	#define IPV6_MULTICAST_LOOP 11 /* u_char; set/get IP6 multicast loopback */
404	#define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */
405	#define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */
406	#define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */
407	#define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */
408	/* RFC2292 options */
409	#define IPV6_PKTINFO 19 /* bool; send/recv if, src/dst addr */
410	#define IPV6_HOPLIMIT 20 /* bool; hop limit */
411	#define IPV6_NEXTHOP 21 /* bool; next hop addr */
412	#define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */
413	#define IPV6_DSTOPTS 23 /* bool; destination option */
414	#define IPV6_RTHDR 24 /* bool; routing header */
415	#define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */
416
417	#define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */
418	#define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */
419	#ifndef _KERNEL
420	#define IPV6_BINDV6ONLY IPV6_V6ONLY
421	#endif
422
423	#if 1 /* IPSEC */
424	#define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */
425	#endif
426	#define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */
427
428	#if 1 /* IPV6FIREWALL */
429	#define IPV6_FW_ADD 30 /* add a firewall rule to chain */
430	#define IPV6_FW_DEL 31 /* delete a firewall rule from chain */
431	#define IPV6_FW_FLUSH 32 /* flush firewall rule chain */
432	#define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */
433	#define IPV6_FW_GET 34 /* get entire firewall rule chain */
434	#endif
435
436	/* to define items, should talk with KAME guys first, for BSD compatibility /
437
438	#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */
439	#define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */
440	#define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */
441
442	/*
443	* Defaults and limits for options
444	*/
445	#define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */
446	#define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
447
448	/*
449	* Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
450	*/
451	struct ipv6_mreq {
452	struct in6_addr ipv6mr_multiaddr;
453	unsigned int ipv6mr_interface;
454	};
455
456	/*
457	* IPV6_PKTINFO: Packet information(RFC2292 sec 5)
458	*/
459	struct in6_pktinfo {
460	struct in6_addr ipi6_addr; /* src/dst IPv6 address */
461	unsigned int ipi6_ifindex; /* send/recv interface index */
462	};
463
464	/*
465	* Argument for IPV6_PORTRANGE:
466	* - which range to search when port is unspecified at bind() or connect()
467	*/
468	#define IPV6_PORTRANGE_DEFAULT 0 /* default range */
469	#define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */
470	#define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */
471
472	#ifndef _XOPEN_SOURCE
473	/*
474	* Definitions for inet6 sysctl operations.
475	*
476	* Third level is protocol number.
477	* Fourth level is desired variable within that protocol.
478	*/
479	#define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */
480
481	#define CTL_IPV6PROTO_NAMES { \
482	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
483	{ 0, 0 }, \
484	{ "tcp6", CTLTYPE_NODE }, \
485	{ 0, 0 }, \
486	{ 0, 0 }, \
487	{ 0, 0 }, \
488	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
489	{ 0, 0 }, \
490	{ 0, 0 }, \
491	{ "udp6", CTLTYPE_NODE }, \
492	{ 0, 0 }, \
493	{ 0, 0 }, \
494	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
495	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
496	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
497	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
498	{ 0, 0 }, \
499	{ "ip6", CTLTYPE_NODE }, \
500	{ 0, 0 }, \
501	{ 0, 0 }, \
502	{ 0, 0 }, \
503	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
504	{ 0, 0 }, \
505	{ "ipsec6", CTLTYPE_NODE }, \
506	{ 0, 0 }, \
507	{ 0, 0 }, \
508	{ 0, 0 }, \
509	{ 0, 0 }, \
510	{ 0, 0 }, \
511	{ 0, 0 }, \
512	{ "icmp6", CTLTYPE_NODE }, \
513	{ 0, 0 }, \
514	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
515	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
516	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
517	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
518	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
519	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
520	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
521	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
522	{ 0, 0 }, \
523	{ 0, 0 }, \
524	{ 0, 0 }, \
525	{ "pim6", CTLTYPE_NODE }, \
526	}
527
528	/*
529	* Names for IP sysctl objects
530	*/
531	#define IPV6CTL_FORWARDING 1 /* act as router */
532	#define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/
533	#define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */
534	#ifdef notyet
535	#define IPV6CTL_DEFMTU 4 /* default MTU */
536	#endif
537	#define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */
538	#define IPV6CTL_STATS 6 /* stats */
539	#define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */
540	#define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */
541	#define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */
542	#define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */
543	#define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */
544	#define IPV6CTL_ACCEPT_RTADV 12
545	#define IPV6CTL_KEEPFAITH 13
546	#define IPV6CTL_LOG_INTERVAL 14
547	#define IPV6CTL_HDRNESTLIMIT 15
548	#define IPV6CTL_DAD_COUNT 16
549	#define IPV6CTL_AUTO_FLOWLABEL 17
550	#define IPV6CTL_DEFMCASTHLIM 18
551	#define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */
552	#define IPV6CTL_KAME_VERSION 20
553	#define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */
554	#define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */
555	#if 0 /* obsolete */
556	#define IPV6CTL_MAPPED_ADDR 23
557	#endif
558	#define IPV6CTL_V6ONLY 24
559	#define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */
560	#define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */
561	#define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */
562
563	#define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */
564	#define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */
565	#define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */
566	#define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */
567	#define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */
568
569	/* New entries should be added here from current IPV6CTL_MAXID value. */
570	/* to define items, should talk with KAME guys first, for BSD compatibility /
571	#define IPV6CTL_MAXID 37
572
573	#endif /* !_XOPEN_SOURCE */
574
575	/*
576	* Redefinition of mbuf flags
577	*/
578	#define M_AUTHIPHDR M_PROTO2
579	#define M_DECRYPTED M_PROTO3
580	#define M_LOOP M_PROTO4
581	#define M_AUTHIPDGM M_PROTO5
582
583	#ifdef _KERNEL
584	struct cmsghdr;
585
586	int in6_cksum __P((struct mbuf *, uint8_t, uint32_t, uint32_t));
587	int in6_localaddr __P((struct in6_addr *));
588	int in6_addrscope __P((struct in6_addr *));
589	struct in6_ifaddr in6_ifawithscope __P((struct ifnet , struct in6_addr *));
590	struct in6_ifaddr in6_ifawithifp __P((struct ifnet , struct in6_addr *));
591	extern void in6_if_up __P((struct ifnet *));
592	struct sockaddr;
593	extern u_char ip6_protox[];
594
595	void in6_sin6_2_sin __P((struct sockaddr_in *sin,
596	struct sockaddr_in6 *sin6));
597	void in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin,
598	struct sockaddr_in6 *sin6));
599	void in6_sin6_2_sin_in_sock __P((struct sockaddr *nam));
600	void in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam));
601
602	#define satosin6(sa) ((struct sockaddr_in6 *)(sa))
603	#define sin6tosa(sin6) ((struct sockaddr *)(sin6))
604	#define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa))
605
606	extern int (faithprefix_p)(struct in6_addr );
607	#endif /* _KERNEL */
608
609	__BEGIN_DECLS
610	struct cmsghdr;
611
612	extern int inet6_option_space __P((int));
613	extern int inet6_option_init __P((void , struct cmsghdr *, int));
614	extern int inet6_option_append __P((struct cmsghdr , const uint8_t ,
615	int, int));
616	extern uint8_t inet6_option_alloc __P((struct cmsghdr , int, int, int));
617	extern int inet6_option_next __P((const struct cmsghdr , uint8_t *));
618	extern int inet6_option_find __P((const struct cmsghdr , uint8_t *, int));
619
620	extern size_t inet6_rthdr_space __P((int, int));
621	extern struct cmsghdr inet6_rthdr_init __P((void , int));
622	extern int inet6_rthdr_add __P((struct cmsghdr , const struct in6_addr ,
623	unsigned int));
624	extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int));
625	#if 0 /* not implemented yet */
626	extern int inet6_rthdr_reverse __P((const struct cmsghdr , struct cmsghdr ));
627	#endif
628	extern int inet6_rthdr_segments __P((const struct cmsghdr *));
629	extern struct in6_addr inet6_rthdr_getaddr __P((struct cmsghdr , int));
630	extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int));
631
632	extern int inet6_opt_init __P((void *, size_t));
633	extern int inet6_opt_append __P((void *, size_t, int, uint8_t,
634	size_t, uint8_t, void **));
635	extern int inet6_opt_finish __P((void *, size_t, int));
636	extern int inet6_opt_set_val __P((void , size_t, void , int));
637
638	extern int inet6_opt_next __P((void , size_t, int, uint8_t ,
639	size_t , void *));
640	extern int inet6_opt_find __P((void *, size_t, int, uint8_t,
641	size_t , void *));
642	extern int inet6_opt_get_val __P((void , size_t, void , int));
643	extern size_t inet6_rth_space __P((int, int));
644	extern void inet6_rth_init __P((void , int, int, int));
645	extern int inet6_rth_add __P((void , const struct in6_addr ));
646	extern int inet6_rth_reverse __P((const void , void ));
647	extern int inet6_rth_segments __P((const void *));
648	extern struct in6_addr inet6_rth_getaddr __P((const void , int));
649	__END_DECLS
650
651	#endif /* !_NETINET6_IN6_H_ */

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source: trunk/libs/newlib/src/newlib/libc/sys/linux/include/netinet6/in6.h @ 444

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