source: EcnlProtoTool/trunk/asp3_dcre/tinet/netinet6/in6.h@ 270

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1/*
2 * TINET (TCP/IP Protocol Stack)
3 *
4 * Copyright (C) 2001-2009 by Dep. of Computer Science and Engineering
5 * Tomakomai National College of Technology, JAPAN
6 *
7 * 上記著作権者
8は，以下の (1)～(4) の条件か，Free Software Foundation
9 * によってå…
10¬è¡¨ã•ã‚Œã¦ã„ã‚‹ GNU General Public License の Version 2 に記
11 * 述されている条件を満たす場合に限り，本ソフトウェア（本ソフトウェア
12 * を改変したものを含む．以下同じ）を使用・複製・改変・再é…
13å¸ƒï¼ˆä»¥ä¸‹ï¼Œ
14 * 利用と呼ぶ）することを無償で許諾する．
15 * (1) 本ソフトウェアをソースコードの形で利用する場合には，上記の著作
16 * 権表示，この利用条件および下記の無保証規定が，そのままの形でソー
17 * スコード中に含まれていること．
18 * (2) 本ソフトウェアを，ライブラリ形式など，他のソフトウェア開発に使
19 * 用できる形で再é…
20å¸ƒã™ã‚‹å ´åˆã«ã¯ï¼Œå†é…
21å¸ƒã«ä¼´ã†ãƒ‰ã‚­ãƒ¥ãƒ¡ãƒ³ãƒˆï¼ˆåˆ©ç”¨
22 * 者
23マニュアルなど）に，上記の著作権表示，この利用条件および下記
24 * の無保証規定を掲載すること．
25 * (3) 本ソフトウェアを，機器に組み込むなど，他のソフトウェア開発に使
26 * 用できない形で再é…
27å¸ƒã™ã‚‹å ´åˆã«ã¯ï¼Œæ¬¡ã®æ¡ä»¶ã‚’満たすこと．
28 * (a) 再é…
29å¸ƒã«ä¼´ã†ãƒ‰ã‚­ãƒ¥ãƒ¡ãƒ³ãƒˆï¼ˆåˆ©ç”¨è€…
30マニュアルなど）に，上記の著
31 * 作権表示，この利用条件および下記の無保証規定を掲載すること．
32 * (4) 本ソフトウェアの利用により直接的または間接的に生じるいかなる損
33 * 害からも，上記著作権者
34およびTOPPERSプロジェクトをå…
35è²¬ã™ã‚‹ã“と．
36 *
37 * 本ソフトウェアは，無保証で提供されているものである．上記著作権者
38お
39 * よびTOPPERSプロジェクトは，本ソフトウェアに関して，その適用可能性も
40 * 含めて，いかなる保証も行わない．また，本ソフトウェアの利用により直
41 * 接的または間接的に生じたいかなる損害に関しても，その責任を負わない．
42 *
43 * @(#) $Id: in6.h 270 2017-02-09 04:03:47Z coas-nagasima $
44 */
45
46/* $FreeBSD: src/sys/netinet6/in6.h,v 1.7.2.4 2001/07/04 09:45:23 ume Exp $ */
47/* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ */
48
49/*
50 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
51 * All rights reserved.
52 *
53 * Redistribution and use in source and binary forms, with or without
54 * modification, are permitted provided that the following conditions
55 * are met:
56 * 1. Redistributions of source code must retain the above copyright
57 * notice, this list of conditions and the following disclaimer.
58 * 2. Redistributions in binary form must reproduce the above copyright
59 * notice, this list of conditions and the following disclaimer in the
60 * documentation and/or other materials provided with the distribution.
61 * 3. Neither the name of the project nor the names of its contributors
62 * may be used to endorse or promote products derived from this software
63 * without specific prior written permission.
64 *
65 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
66 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
67 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
68 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
69 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
70 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
71 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
72 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
73 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
74 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
75 * SUCH DAMAGE.
76 */
77
78/*
79 * Copyright (c) 1982, 1986, 1990, 1993
80 * The Regents of the University of California. All rights reserved.
81 *
82 * Redistribution and use in source and binary forms, with or without
83 * modification, are permitted provided that the following conditions
84 * are met:
85 * 1. Redistributions of source code must retain the above copyright
86 * notice, this list of conditions and the following disclaimer.
87 * 2. Redistributions in binary form must reproduce the above copyright
88 * notice, this list of conditions and the following disclaimer in the
89 * documentation and/or other materials provided with the distribution.
90 * 3. All advertising materials mentioning features or use of this software
91 * must display the following acknowledgement:
92 * This product includes software developed by the University of
93 * California, Berkeley and its contributors.
94 * 4. Neither the name of the University nor the names of its contributors
95 * may be used to endorse or promote products derived from this software
96 * without specific prior written permission.
97 *
98 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
99 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
100 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
101 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
102 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
103 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
104 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
105 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
106 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
107 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
108 * SUCH DAMAGE.
109 *
110 * @(#)in.h 8.3 (Berkeley) 1/3/94
111 */
112
113#ifndef _IN6_H_
114#define _IN6_H_
115
116/*
117 * IPv6 アドレス
118 */
119
120struct t_in6_addr {
121 union {
122 uint8_t __u6_addr8[16];
123 uint16_t __u6_addr16[8];
124 uint32_t __u6_addr32[4];
125 } __u6_addr;
126 };
127
128#define s6_addr __u6_addr.__u6_addr8
129#define s6_addr8 __u6_addr.__u6_addr8
130#define s6_addr16 __u6_addr.__u6_addr16
131#define s6_addr32 __u6_addr.__u6_addr32
132
133#ifndef T_IN6_ADDR_DEFINED
134
135typedef struct t_in6_addr T_IN6_ADDR;
136
137#define T_IN6_ADDR_DEFINED
138
139#endif /* of #ifndef T_IN6_ADDR_DEFINED */
140
141/*
142 * IPv6 アドレスの初期化データ
143 */
144
145#define IPV6_ADDR_UNSPECIFIED_INIT \
146 {{{ UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
147 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
148 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
149 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00) }}}
150
151#define IPV6_ADDR_LINKLOCAL_ALLNODES_INIT \
152 {{{ UINT_C(0xff), UINT_C(0x02), UINT_C(0x00), UINT_C(0x00), \
153 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
154 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
155 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x01) }}}
156
157#define IPV6_ADDR_LINKLOCAL_ALLROUTERS_INIT \
158 {{{ UINT_C(0xff), UINT_C(0x02), UINT_C(0x00), UINT_C(0x00), \
159 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
160 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), \
161 UINT_C(0x00), UINT_C(0x00), UINT_C(0x00), UINT_C(0x02) }}}
162
163/*
164 * アドレスの定義
165 */
166
167#ifdef _NET_CFG_BYTE_ORDER
168
169#if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN
170
171#define IPV6_ADDR_INT32_ONE ULONG_C(0x00000001)
172#define IPV6_ADDR_INT32_TWO ULONG_C(0x00000002)
173#define IPV6_ADDR_INT32_0000FFFF ULONG_C(0x0000ffff)
174#define IPV6_ADDR_INT32_MNL ULONG_C(0xff010000)
175#define IPV6_ADDR_INT32_MLL ULONG_C(0xff020000)
176#define IPV6_ADDR_INT32_ULL ULONG_C(0xfe800000)
177#define IPV6_ADDR_INT16_ULL UINT_C(0xfe80)
178#define IPV6_ADDR_INT16_USL UINT_C(0xfec0)
179#define IPV6_ADDR_INT16_MLL UINT_C(0xff02)
180
181#elif _NET_CFG_BYTE_ORDER == _NET_CFG_LITTLE_ENDIAN
182
183#define IPV6_ADDR_INT32_ONE ULONG_C(0x01000000)
184#define IPV6_ADDR_INT32_TWO ULONG_C(0x02000000)
185#define IPV6_ADDR_INT32_0000FFFF ULONG_C(0xffff0000)
186#define IPV6_ADDR_INT32_MNL ULONG_C(0x000001ff)
187#define IPV6_ADDR_INT32_MLL ULONG_C(0x000002ff)
188#define IPV6_ADDR_INT32_ULL ULONG_C(0x000080fe)
189#define IPV6_ADDR_INT16_ULL UINT_C(0x80fe)
190#define IPV6_ADDR_INT16_USL UINT_C(0xc0fe)
191#define IPV6_ADDR_INT16_MLL UINT_C(0x02ff)
192
193#endif /* #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN */
194
195#endif /* of #ifdef _NET_CFG_BYTE_ORDER */
196
197/*
198 * 特別なアドレスのチェック
199 */
200
201/* 無指定 */
202
203#define IN6_IS_ADDR_UNSPECIFIED(a) \
204 (memcmp((void *)(a), (void *)&in6_addr_unspecified, sizeof(T_IN6_ADDR)) == 0)
205
206/* ループバック */
207
208#define IN6_IS_ADDR_LOOPBACK(a) \
209 (memcmp((void *)(a), (void *)&in6_addr_unspecified, sizeof(T_IN6_ADDR) - 1) == 0 && \
210 (a)->s6_addr8[15] == 0x01)
211
212/* IPv4 互換 */
213
214#define IN6_IS_ADDR_V4COMPAT(a) \
215 (memcmp((void *)(a), (void *)&in6_addr_unspecified, sizeof(T_IN6_ADDR) - 4) == 0 && \
216 (a)->s6_addr32[3] > IPV6_ADDR_INT32_ONE)
217
218/* IPv4 マップ */
219
220#define IN6_IS_ADDR_V4MAPPED(a) \
221 (((a)->s6_addr32[0] == ULONG_C(0x00000000)) && \
222 ((a)->s6_addr32[1] == ULONG_C(0x00000000)) && \
223 ((a)->s6_addr32[2] == IPV6_ADDR_INT32_0000FFFF))
224
225/*
226 * スコープ ID
227 */
228
229#define IPV6_ADDR_SCOPE_NODELOCAL UINT_C(0x01)
230#define IPV6_ADDR_SCOPE_LINKLOCAL UINT_C(0x02)
231#define IPV6_ADDR_SCOPE_SITELOCAL UINT_C(0x05)
232#define IPV6_ADDR_SCOPE_ORGLOCAL UINT_C(0x08)
233#define IPV6_ADDR_SCOPE_GLOBAL UINT_C(0x0e)
234
235/*
236 * ユニキャスト・スコープ
237 *
238 * 注意: 上位 10 ビットのみチェックしなければならない。RFC2373 参ç…
239§
240 */
241
242/* リンクローカル */
243
244#define IN6_IS_ADDR_LINKLOCAL(a) \
245 (((a)->s6_addr8[0] == UINT_C(0xfe)) && (((a)->s6_addr8[1] & UINT_C(0xc0)) == UINT_C(0x80)))
246
247/* サイトローカル */
248
249#define IN6_IS_ADDR_SITELOCAL(a) \
250 (((a)->s6_addr8[0] == UINT_C(0xfe)) && (((a)->s6_addr8[1] & UINT_C(0xc0)) == UINT_C(0xc0)))
251
252/* 集約可能ユニキャスト (グローバル) */
253
254#define IN6_IS_ADDR_AGGREGATE_UNICAST(a) \
255 (((a)->s6_addr8[0] & UINT_C(0xe0)) == UINT_C(0x20))
256
257/*
258 * マルチキャスト
259 */
260
261#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr8[0] == UINT_C(0xff))
262
263/* 要請マルチキャスト */
264
265#define IN6_IS_ADDR_NS_MULTICAST(a) \
266 (((a)->s6_addr32[0] == IPV6_ADDR_INT32_MLL) && \
267 ((a)->s6_addr32[1] == ULONG_C(0x00000000)) && \
268 ((a)->s6_addr32[2] == IPV6_ADDR_INT32_ONE) && \
269 ((a)->s6_addr8[12] == UINT_C(0xff)))
270
271/*
272 * 同一のチェック
273 */
274
275#define IN6_ARE_ADDR_EQUAL(a,b) (memcmp((a), (b), sizeof(T_IN6_ADDR)) == 0)
276
277/*
278 * 経路制御用定義
279 */
280
281#define IPV6_RTHDR_TYPE_0 UINT_C(0) /* IPv6 経路制御ヘッダタイプ 0 */
282
283/*
284 * 規定値と制限値
285 */
286
287#define IPV6_DEFAULT_MULTICAST_HOPS 1 /* マルチキャスト時のホップリミットの規定値 */
288
289/*
290 * ITRON TCP/IPv6 アドレス/ポート番号の定義
291 */
292
293typedef struct t_ipv6ep {
294 T_IN6_ADDR ipaddr; /* IPv6 アドレス */
295 uint16_t portno; /* ポート番号 */
296 } T_IPV6EP;
297
298/*
299 * ITRON/TCP/IP 用 IP アドレスの定義
300 */
301
302#define IPV6_ADDRANY IPV6_ADDR_UNSPECIFIED_INIT
303
304/*
305 * 動的生成用 IPv6 TCP 受付口
306 */
307
308typedef struct t_tcp6_crep {
309 /* 標準 */
310 ATR repatr; /* 受付口属性 */
311 T_IPV6EP myaddr; /* 自分のアドレス */
312 /* 実装
313依存 */
314 } T_TCP6_CREP;
315
316#if defined(SUPPORT_INET6)
317#define T_TCP_CREP T_TCP6_CREP
318#endif
319
320/*
321 * 動的生成用 IPv6 UDP 通信端点
322 */
323
324typedef struct t_udp6_ccep {
325 /* 標準 */
326 ATR cepatr; /* UDP 通信端点属性 */
327 T_IPV6EP myaddr; /* 自分のアドレス */
328 FP callback; /* コールバック関数 */
329 /* 実装
330依存 */
331 } T_UDP6_CCEP;
332
333#if defined(SUPPORT_INET6)
334#define T_UDP_CCEP T_UDP6_CCEP
335#endif
336
337/*
338 * IPv4 と IPv6 をコンパイル時に選択するためのマクロ
339 */
340
341#if defined(SUPPORT_INET6)
342
343#define T_IN_ADDR T_IN6_ADDR
344#define T_IPEP T_IPV6EP
345#define IP_ADDRANY IPV6_ADDRANY
346
347#define IN_ARE_ADDR_EQUAL(n,h) IN6_ARE_ADDR_EQUAL(n,h)
348#define IN_ARE_NET_ADDR_EQUAL(n,h) IN6_ARE_ADDR_EQUAL(n,h)
349#define IN_COPY_TO_NET(d,s) memcpy(d,s,sizeof(T_IN6_ADDR))
350#define IN_COPY_TO_HOST(d,s) memcpy(d,s,sizeof(T_IN6_ADDR))
351#define IN_IS_ADDR_MULTICAST(a) IN6_IS_ADDR_MULTICAST(a)
352#define IN_IS_NET_ADDR_MULTICAST(a) IN6_IS_ADDR_MULTICAST(a)
353#define IN_IS_ADDR_ANY(a) IN6_IS_ADDR_UNSPECIFIED(a)
354
355#endif /* of #if defined(SUPPORT_INET6) */
356
357/*
358 * 前方参ç…
359§
360 */
361
362#ifndef T_IFNET_DEFINED
363
364typedef struct t_ifnet T_IFNET;
365
366#define T_IFNET_DEFINED
367
368#endif /* of #ifndef T_IFNET_DEFINED */
369
370/*
371 * å…
372¨åŸŸå¤‰æ•°
373 */
374
375extern T_IN6_ADDR in6_addr_unspecified;
376extern T_IN6_ADDR in6_addr_linklocal_allnodes;
377extern T_IN6_ADDR in6_addr_linklocal_allrouters;
378
379#define ipv6_addrany in6_addr_unspecified
380
381/*
382 * TINET 独自 API
383 */
384
385extern char *ipv62str (char *buf, const T_IN6_ADDR *p_ip6addr);
386extern ER_UINT in6_get_maxnum_ifaddr (void);
387extern const T_IN6_ADDR *in6_get_ifaddr (int_t index);
388
389#endif /* of #ifndef _IN6_H_ */
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