[388] | 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2017 by Dep. of Computer Science and Engineering
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| 5 | * Tomakomai National College of Technology, JAPAN
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| 6 | *
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| 7 | * ä¸è¨èä½æ¨©è
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| 8 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 9 | * ã«ãã£ã¦å
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| 10 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 11 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 12 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼
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| 14 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 19 | * ç¨ã§ããå½¢ã§åé
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| 20 | å¸ããå ´åã«ã¯ï¼åé
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| 21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 22 | * è
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| 23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 26 | * ç¨ã§ããªãå½¢ã§åé
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| 27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®æ¡ä»¶ãæºãããã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 33 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 34 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 35 | 責ãããã¨ï¼
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| 36 | *
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| 37 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 38 | ã
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| 39 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 40 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 41 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 42 | *
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| 43 | * @(#) $Id: icmp6.h 388 2019-05-22 11:25:18Z coas-nagasima $
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| 44 | */
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| 45 |
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| 46 | /* $FreeBSD: src/sys/netinet/icmp6.h,v 1.2.2.3 2001/07/06 05:36:35 sumikawa Exp $ */
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| 47 | /* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */
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| 48 |
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| 49 | /*
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| 50 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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| 51 | * All rights reserved.
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| 52 | *
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| 53 | * Redistribution and use in source and binary forms, with or without
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| 54 | * modification, are permitted provided that the following conditions
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| 55 | * are met:
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| 56 | * 1. Redistributions of source code must retain the above copyright
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| 57 | * notice, this list of conditions and the following disclaimer.
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| 58 | * 2. Redistributions in binary form must reproduce the above copyright
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| 59 | * notice, this list of conditions and the following disclaimer in the
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| 60 | * documentation and/or other materials provided with the distribution.
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| 61 | * 3. Neither the name of the project nor the names of its contributors
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| 62 | * may be used to endorse or promote products derived from this software
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| 63 | * without specific prior written permission.
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| 64 | *
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| 65 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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| 66 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 67 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 68 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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| 69 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 70 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 71 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 72 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 73 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 74 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 75 | * SUCH DAMAGE.
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| 76 | */
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| 77 |
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| 78 | /*
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| 79 | * Copyright (c) 1982, 1986, 1993
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| 80 | * The Regents of the University of California. All rights reserved.
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| 81 | *
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| 82 | * Redistribution and use in source and binary forms, with or without
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| 83 | * modification, are permitted provided that the following conditions
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| 84 | * are met:
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| 85 | * 1. Redistributions of source code must retain the above copyright
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| 86 | * notice, this list of conditions and the following disclaimer.
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| 87 | * 2. Redistributions in binary form must reproduce the above copyright
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| 88 | * notice, this list of conditions and the following disclaimer in the
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| 89 | * documentation and/or other materials provided with the distribution.
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| 90 | * 3. All advertising materials mentioning features or use of this software
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| 91 | * must display the following acknowledgement:
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| 92 | * This product includes software developed by the University of
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| 93 | * California, Berkeley and its contributors.
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| 94 | * 4. Neither the name of the University nor the names of its contributors
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| 95 | * may be used to endorse or promote products derived from this software
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| 96 | * without specific prior written permission.
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| 97 | *
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| 98 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 99 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 100 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 101 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 102 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 103 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 104 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 105 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 106 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 107 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 108 | * SUCH DAMAGE.
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| 109 | *
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| 110 | * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
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| 111 | */
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| 112 |
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| 113 | #ifndef _IP_ICMP6_H_
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| 114 | #define _IP_ICMP6_H_
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| 115 |
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| 116 | /*
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| 117 | * ICMPv6 ããã
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| 118 | */
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| 119 |
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| 120 | typedef struct t_icmp6_hdr {
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| 121 | uint8_t type; /* ã¡ãã»ã¼ã¸ã®å */
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| 122 | uint8_t code; /* ãµãå */
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| 123 | uint16_t sum; /* ãã§ãã¯ãµã */
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| 124 | union {
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| 125 | uint32_t data32;
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| 126 | uint16_t data16[2];
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| 127 | uint8_t data8[4];
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| 128 | } data;
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| 129 | } __attribute__((packed, aligned(2))) T_ICMP6_HDR;
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| 130 |
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| 131 | #define icmp6_data32 data.data32
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| 132 | #define icmp6_data16 data.data16
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| 133 | #define icmp6_data8 data.data8
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| 134 | #define icmp6_pptr data.data32 /* ãã©ã¡ã¼ã¿ç°å¸¸ */
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| 135 | #define icmp6_mtu data.data32 /* ãã©ã¡ã¼ã¿ç°å¸¸ */
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| 136 | #define icmp6_id data.data16[0] /* ã¨ã³ã¼è¦æ±ã¨å¿ç */
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| 137 | #define icmp6_seq data.data16[1] /* ã¨ã³ã¼è¦æ±ã¨å¿ç */
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| 138 |
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| 139 | #define ICMP6_HDR_SIZE (sizeof(T_ICMP6_HDR))
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| 140 | #define IF_IP6_ICMP6_HDR_OFFSET (IF_IP6_HDR_SIZE)
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| 141 |
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| 142 | #define GET_ICMP6_HDR(nbuf,ihoff) ((T_ICMP6_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 143 | #define GET_ICMP6_SDU(nbuf,ihoff) ((uint8_t*)((nbuf)->buf) + ihoff + ICMP6_HDR_SIZE)
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| 144 |
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| 145 | #define GET_IP6_ICMP6_HDR_SIZE(nbuf) (GET_IP6_HDR_SIZE(nbuf) + ICMP6_HDR_SIZE)
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| 146 | #define GET_IF_IP6_ICMP6_HDR_SIZE(nbuf) (IF_HDR_SIZE + GET_IP6_ICMP6_HDR_SIZE(nbuf))
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| 147 |
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| 148 | /*
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| 149 | * ICMP6 ã¿ã¤ã
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| 150 | */
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| 151 |
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| 152 | #define ICMP6_DST_UNREACH UINT_C(1) /* å®å
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| 153 | å°éä¸å¯è½ */
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| 154 | #define ICMP6_PACKET_TOO_BIG UINT_C(2) /* ãã±ããã大ããããã */
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| 155 | #define ICMP6_TIME_EXCEEDED UINT_C(3) /* TTL ãè¶
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| 156 | éããã */
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| 157 | #define ICMP6_PARAM_PROB UINT_C(4) /* IPv6 ããããä¸æ£ã */
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| 158 |
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| 159 | #define ICMP6_ECHO_REQUEST UINT_C(128) /* ã¨ã³ã¼è¦æ± */
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| 160 | #define ICMP6_ECHO_REPLY UINT_C(129) /* ã¨ã³ã¼å¿ç */
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| 161 |
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| 162 | #define ICMP6_MEMBERSHIP_QUERY UINT_C(130) /* ã°ã«ã¼ãã¡ã³ãç
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| 163 | §ä¼ */
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| 164 | #define ICMP6_MEMBERSHIP_REPORT UINT_C(131) /* ã°ã«ã¼ãã¡ã³ãå ±å */
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| 165 | #define ICMP6_MEMBERSHIP_REDUCTION UINT_C(132) /* ã°ã«ã¼ãã¡ã³ãçµäº */
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| 166 |
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| 167 | #define MLD_LISTENER_QUERY UINT_C(130) /* ãã«ããã£ã¹ãåä¿¡è
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| 168 | ç
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| 169 | §ä¼ */
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| 170 | #define MLD_LISTENER_REPORT UINT_C(131) /* ãã«ããã£ã¹ãåä¿¡è
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| 171 | å ±å */
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| 172 | #define MLD_LISTENER_DONE UINT_C(132) /* ãã«ããã£ã¹ãåä¿¡è
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| 173 | çµäº */
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| 174 |
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| 175 | #define ND_ROUTER_SOLICIT UINT_C(133) /* ã«ã¼ã¿è¦è« */
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| 176 | #define ND_ROUTER_ADVERT UINT_C(134) /* ã«ã¼ã¿éç¥ */
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| 177 | #define ND_NEIGHBOR_SOLICIT UINT_C(135) /* è¿é£è¦è« */
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| 178 | #define ND_NEIGHBOR_ADVERT UINT_C(136) /* è¿é£éç¥ */
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| 179 | #define ND_REDIRECT UINT_C(137) /* åãç´ã */
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| 180 |
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| 181 | #define ICMP6_ROUTER_RENUMBERING UINT_C(138) /* ã«ã¼ã¿çªå·åè¨å® */
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| 182 |
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| 183 | #define ICMP6_WRU_REQUEST UINT_C(139) /* è¦æ±ãã¼ãæ¢ç´¢ */
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| 184 | #define ICMP6_WRU_REPLY UINT_C(140) /* å¿çãã¼ãæ¢ç´¢ */
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| 185 |
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| 186 | #define ICMP6_FQDN_QUERY UINT_C(139) /* FQDN ç
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| 187 | §ä¼ */
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| 188 | #define ICMP6_FQDN_REPLY UINT_C(140) /* FQDN å¿ç */
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| 189 |
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| 190 | #define ICMP6_NI_QUERY UINT_C(139) /* ãã¼ãæ
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| 191 | å ±ç
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| 192 | §ä¼ */
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| 193 | #define ICMP6_NI_REPLY UINT_C(140) /* ãã¼ãæ
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| 194 | å ±å¿ç */
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| 195 |
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| 196 | #define ICMP6_MAX_TYPE UINT_C(203) /* ICMP6 ã¿ã¤ãã®æå¤§å¤ */
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| 197 |
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| 198 | /*
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| 199 | * ICMP6 ã³ã¼ã
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| 200 | */
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| 201 |
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| 202 | /* å®å
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| 203 | å°éä¸å¯è½ */
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| 204 |
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| 205 | #define ICMP6_DST_UNREACH_NOROUTE UINT_C(0) /* å°éã«ã¼ããªãã */
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| 206 | #define ICMP6_DST_UNREACH_ADMIN UINT_C(1) /* 管çè
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| 207 | ã«ããç¡å¹åä¸ã */
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| 208 | #define ICMP6_DST_UNREACH_NOTEIGHBOR UINT_C(2) /* è¿é£è
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| 209 | ã§ã¯ãªããªã£ãã */
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| 210 | #define ICMP6_DST_UNREACH_BEYOND_SCOPE UINT_C(2) /* ã¹ã³ã¼ããè¶
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| 211 | ãã¦ããã */
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| 212 | #define ICMP6_DST_UNREACH_ADDR UINT_C(3) /* å®å
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| 213 | ã¢ãã¬ã¹ã«å°éä¸å¯è½ã */
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| 214 | #define ICMP6_DST_UNREACH_NOPORT UINT_C(4) /* å®å
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| 215 | ãã¼ãã«å°éä¸å¯è½ã */
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| 216 |
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| 217 | /* TTL è¶
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| 218 | é */
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| 219 |
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| 220 | #define ICMP6_TIME_EXCEED_TRANSIT UINT_C(0) /* 転éæã« TTL==0 ã«ãªã£ãã */
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| 221 | #define ICMP6_TIME_EXCEED_REASSEMBLY UINT_C(1) /* IP åæ§æã§ã¿ã¤ã ã¢ã¦ãããã*/
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| 222 |
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| 223 | /* ãããä¸æ£ */
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| 224 |
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| 225 | #define ICMP6_PARAMPROB_HEADER UINT_C(0) /* ãããã«ä¸æ£ããã£ãã */
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| 226 | #define ICMP6_PARAMPROB_NEXT_HEADER UINT_C(1) /* 次ããããèªèã§ããªãã */
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| 227 | #define ICMP6_PARAMPROB_OPTION UINT_C(2) /* ãªãã·ã§ã³ãèªèã§ããªãã */
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| 228 |
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| 229 | /* å
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| 230 | é¨ä½¿ç¨ */
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| 231 | #define ND_REDIRECT_ONLINK UINT_C(0) /* ãªã³ãªã³ã¯ã¸ã®åãç´ã */
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| 232 | #define ND_REDIRECT_ROUTER UINT_C(1) /* ã«ã¼ã¿ã¸ã®åãç´ã */
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| 233 |
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| 234 | /*
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| 235 | * å¶éå¤
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| 236 | */
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| 237 |
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| 238 | /* ICMPv6 ã®æ大ãã¤ãã¼ãé· */
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| 239 | #define ICMPV6_PAYLOAD_MAXLEN (IPV6_MMTU - (IP6_HDR_SIZE + ICMP6_HDR_SIZE))
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| 240 |
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| 241 | /*
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| 242 | * è¿é£è¦è«
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| 243 | */
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| 244 |
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| 245 | typedef struct t_neighbor_solicit_hdr {
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| 246 | T_ICMP6_HDR hdr;
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| 247 | T_IN6_ADDR target;
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| 248 | /* ãã®å¾ã«ãªãã·ã§ã³ãç¶ã */
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| 249 | } T_NEIGHBOR_SOLICIT_HDR;
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| 250 |
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| 251 | #define NEIGHBOR_SOLICIT_HDR_SIZE (sizeof(T_NEIGHBOR_SOLICIT_HDR))
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| 252 | #define IF_IP6_NEIGHBOR_SOLICIT_HDR_OFFSET \
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| 253 | (IF_IP6_HDR_SIZE)
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| 254 |
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| 255 | #define GET_NEIGHBOR_SOLICIT_HDR(nbuf,nhoff) \
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| 256 | ((T_NEIGHBOR_SOLICIT_HDR*)((uint8_t*)((nbuf)->buf) + nhoff))
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| 257 | #define GET_NEIGHBOR_SOLICIT_SDU(nbuf,nhoff) \
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| 258 | ((uint8_t*)((nbuf)->buf) + nhoff + NEIGHBOR_SOLICIT_HDR_SIZE)
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| 259 |
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| 260 | #define GET_IP6_NEIGHBOR_SOLICIT_HDR_SIZE(nbuf) \
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| 261 | (GET_IP6_HDR_SIZE(nbuf) + NEIGHBOR_SOLICIT_HDR_SIZE)
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| 262 | #define GET_IF_IP6_NEIGHBOR_SOLICIT_HDR_SIZE(nbuf) \
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| 263 | (GET_IP6_NEIGHBOR_SOLICIT_HDR_SIZE(nbuf) + IF_HDR_SIZE)
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| 264 |
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| 265 | /*
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| 266 | * è¿é£éç¥
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| 267 | */
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| 268 |
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| 269 | typedef struct t_neighbor_advert_hdr {
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| 270 | T_ICMP6_HDR hdr;
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| 271 | T_IN6_ADDR target;
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| 272 | /* ãã®å¾ã«ãªãã·ã§ã³ãç¶ã */
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| 273 | } __attribute__((packed, aligned(2))) T_NEIGHBOR_ADVERT_HDR;
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| 274 |
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| 275 | /* ICMP6 ãããã®ãã¼ã¿é¨ã®å®ç¾© */
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| 276 |
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| 277 | #define nd_na_flags_reserved hdr.data.data32
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| 278 |
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| 279 | #define NEIGHBOR_ADVERT_HDR_SIZE (sizeof(T_NEIGHBOR_ADVERT_HDR))
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| 280 | #define IP6_NEIGHBOR_ADVERT_HDR_SIZE (IP6_HDR_SIZE + NEIGHBOR_ADVERT_HDR_SIZE)
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| 281 | #define IF_IP6_NEIGHBOR_ADVERT_HDR_SIZE \
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| 282 | (IF_IP6_HDR_SIZE + NEIGHBOR_ADVERT_HDR_SIZE)
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| 283 | #define IF_IP6_NEIGHBOR_ADVERT_HDR_OFFSET \
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| 284 | (IF_IP6_HDR_SIZE)
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| 285 |
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| 286 | #define GET_NEIGHBOR_ADVERT_HDR(nbuf,nhoff) \
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| 287 | ((T_NEIGHBOR_ADVERT_HDR*)((uint8_t*)((nbuf)->buf) + nhoff))
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| 288 | #define GET_NEIGHBOR_ADVERT_SDU(nbuf,nhoff) \
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| 289 | ((uint8_t*)((nbuf)->buf) + nhoff + NEIGHBOR_ADVERT_HDR_SIZE)
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| 290 |
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| 291 | #define GET_IP6_NEIGHBOR_ADVERT_HDR_SIZE(nbuf) \
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| 292 | (GET_IP6_HDR_SIZE(nbuf) + NEIGHBOR_ADVERT_HDR_SIZE)
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| 293 | #define GET_IF_IP6_NEIGHBOR_ADVERT_HDR_SIZE(nbuf) \
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| 294 | (GET_IP6_NEIGHBOR_ADVERT_HDR_SIZE(nbuf) + IF_HDR_SIZE)
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| 295 |
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| 296 | /*
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| 297 | * è¿é£éç¥ãã©ã°ãnd_na_flags_reserved (hdr.data32) ã«è¨å®ããã
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| 298 | */
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| 299 |
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| 300 | #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN
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| 301 |
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| 302 | #define ND_NA_FLG_OVERRIDE ULONG_C(0x20000000) /* è¿é£ãã£ãã·ã¥ä¸æ¸ã */
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| 303 | #define ND_NA_FLG_SOLICITED ULONG_C(0x40000000) /* è¿é£è¦è«ã¸ã®å¿ç */
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| 304 | #define ND_NA_FLG_ROUTER ULONG_C(0x80000000) /* ã«ã¼ã¿éç¥ */
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| 305 |
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| 306 | #elif _NET_CFG_BYTE_ORDER == _NET_CFG_LITTLE_ENDIAN
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| 307 |
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| 308 | #define ND_NA_FLG_OVERRIDE ULONG_C(0x00000020) /* è¿é£ãã£ãã·ã¥ä¸æ¸ã */
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| 309 | #define ND_NA_FLG_SOLICITED ULONG_C(0x00000040) /* è¿é£è¦è«ã¸ã®å¿ç */
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| 310 | #define ND_NA_FLG_ROUTER ULONG_C(0x00000080) /* ã«ã¼ã¿éç¥ */
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| 311 |
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| 312 | #endif /* #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN */
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| 313 |
|
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| 314 | /*
|
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| 315 | * ã«ã¼ã¿éç¥
|
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| 316 | *
|
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| 317 | * RFC4291: IP Version 6 Addressing Architecture
|
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| 318 | * RFC4941: Privacy Extensions for Stateless Address Autoconfiguration in IPv6
|
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| 319 | * RFC6106: IPv6 Router Advertisement Options for DNS Configuration
|
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| 320 | */
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| 321 |
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| 322 | typedef struct t_router_advert_hdr {
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| 323 | T_ICMP6_HDR hdr;
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| 324 | uint32_t reachable; /* [us] å°éå¯è½æé */
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| 325 | uint32_t retransmit; /* [us] è¿é£è¦è«éä¿¡éé */
|
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| 326 | /* ãã®å¾ã«ãªãã·ã§ã³ãç¶ã */
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| 327 | } __attribute__((packed, aligned(2))) T_ROUTER_ADVERT_HDR;
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| 328 |
|
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| 329 | /* ICMP6 ãããã®ãã¼ã¿é¨ã®å®ç¾© */
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| 330 |
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| 331 | #define nd_ra_current_hoplimit hdr.data.data8[0]
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| 332 | #define nd_ra_flags hdr.data.data8[1]
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| 333 | #define nd_ra_router_lifetime hdr.data.data16[1] /* [s] ã«ã¼ã¿æå¹æé */
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| 334 |
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| 335 | #define ROUTER_ADVERT_HDR_SIZE (sizeof(T_ROUTER_ADVERT_HDR))
|
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| 336 | #define IP6_ROUTER_ADVERT_HDR_SIZE (IP6_HDR_SIZE + ROUTER_ADVERT_HDR_SIZE)
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| 337 | #define IF_IP6_ROUTER_ADVERT_HDR_SIZE (IF_IP6_HDR_SIZE + ROUTER_ADVERT_HDR_SIZE)
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| 338 | #define IF_IP6_ROUTER_ADVERT_HDR_OFFSET (IF_IP6_HDR_SIZE)
|
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| 339 |
|
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| 340 | #define GET_ROUTER_ADVERT_HDR(nbuf,nhoff) \
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| 341 | ((T_ROUTER_ADVERT_HDR*)((uint8_t*)((nbuf)->buf) + nhoff))
|
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| 342 | #define GET_ROUTER_ADVERT_SDU(nbuf,nhoff) \
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| 343 | ((uint8_t*)((nbuf)->buf) + nhoff + ROUTER_ADVERT_HDR_SIZE)
|
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| 344 |
|
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| 345 | #define GET_IP6_ROUTER_ADVERT_HDR_SIZE(nbuf) \
|
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| 346 | (GET_IP6_HDR_SIZE(nbuf) + ROUTER_ADVERT_HDR_SIZE)
|
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| 347 | #define GET_IF_IP6_ROUTER_ADVERT_HDR_SIZE(nbuf) \
|
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| 348 | (GET_IP6_ROUTER_ADVERT_HDR_SIZE(nbuf) + IF_HDR_SIZE)
|
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| 349 |
|
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| 350 | /*
|
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| 351 | * ã«ã¼ã¿éç¥ãããã®ãã©ã°
|
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| 352 | */
|
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| 353 |
|
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| 354 | #define ND_RA_FLAG_MANAGED UINT_C(0x80)
|
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| 355 | #define ND_RA_FLAG_OTHER UINT_C(0x40)
|
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| 356 | #define ND_RA_FLAG_HA UINT_C(0x20)
|
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| 357 |
|
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| 358 | /*
|
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| 359 | * M: RA以å¤ã®æ¹æ³ã§èªåçã«ã¢ãã¬ã¹ãè¨å®ãããã¨ã許å¯ããã
|
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| 360 | * O: RA以å¤ã®æ¹æ³ã§èªåçã«ã¢ãã¬ã¹ä»¥å¤ã®æ
|
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| 361 | å ±ãè¨å®ãããã¨ãã許å¯ããã
|
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| 362 | *
|
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| 363 | * M O
|
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| 364 | * ON ON ã¢ãã¬ã¹ã¨ãã以å¤ã®æ
|
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| 365 | å ±ãDHCPv6ã§è¨å®ããï¼statefullï¼
|
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| 366 | * ON OFF ã¢ãã¬ã¹ã¯DHCPv6ã§è¨å®ãããããã以å¤ã¯æåã§è¨å®ããã
|
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| 367 | * OFF ON ã¢ãã¬ã¹ã¯ RA ã§è¨å®ãããããã以å¤ã®æ
|
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| 368 | å ±ãDHCPv6ã§è¨å®ããï¼statelessï¼
|
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| 369 | * OFF OFF DHCPv6 ã¯ä½¿ç¨ããªãã
|
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| 370 | */
|
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| 371 |
|
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| 372 | /*
|
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| 373 | * ã«ã¼ã¿è¦è«
|
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| 374 | */
|
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| 375 |
|
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| 376 | typedef struct t_router_solicit_hdr {
|
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| 377 | T_ICMP6_HDR hdr;
|
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| 378 | } __attribute__((packed, aligned(2))) T_ROUTER_SOLICIT_HDR;
|
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| 379 |
|
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| 380 | /* ICMP6 ãããã®ãã¼ã¿é¨ã®å®ç¾© */
|
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| 381 |
|
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| 382 | #define nd_rs_reserved hdr.data.data32
|
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| 383 |
|
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| 384 | #define ROUTER_SOLICIT_HDR_SIZE (sizeof(T_ROUTER_SOLICIT_HDR))
|
---|
| 385 | #define IP6_ROUTER_SOLICIT_HDR_SIZE (IP6_HDR_SIZE + ROUTER_SOLICIT_HDR_SIZE)
|
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| 386 | #define IF_IP6_ROUTER_SOLICIT_HDR_SIZE (IF_IP6_HDR_SIZE + ROUTER_SOLICIT_HDR_SIZE)
|
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| 387 | #define IF_IP6_ROUTER_SOLICIT_HDR_OFFSET \
|
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| 388 | (IF_IP6_HDR_SIZE)
|
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| 389 |
|
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| 390 | #define GET_ROUTER_SOLICIT_HDR(nbuf,nhoff) \
|
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| 391 | ((T_ROUTER_SOLICIT_HDR*)((uint8_t*)((nbuf)->buf) + nhoff))
|
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| 392 | #define GET_ROUTER_SOLICIT_SDU(nbuf,nhoff) \
|
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| 393 | ((uint8_t*)((nbuf)->buf) + nhoff + ROUTER_SOLICIT_HDR_SIZE)
|
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| 394 |
|
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| 395 | #define GET_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) \
|
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| 396 | (GET_IP6_HDR_SIZE(nbuf) + ROUTER_SOLICIT_HDR_SIZE)
|
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| 397 | #define GET_IF_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) \
|
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| 398 | (GET_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) + IF_HDR_SIZE)
|
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| 399 |
|
---|
| 400 | /*
|
---|
| 401 | * è¿é£æ¢ç´¢ãªãã·ã§ã³
|
---|
| 402 | */
|
---|
| 403 |
|
---|
| 404 | /* è¿é£æ¢ç´¢ããã */
|
---|
| 405 |
|
---|
| 406 | typedef struct t_neighbor_hdr {
|
---|
| 407 | T_ICMP6_HDR hdr;
|
---|
| 408 | T_IN6_ADDR target;
|
---|
| 409 | } __attribute__((packed, aligned(2))) T_NEIGHBOR_HDR;
|
---|
| 410 |
|
---|
| 411 | /* è¿é£æ¢ç´¢ãªãã·ã§ã³ããã */
|
---|
| 412 |
|
---|
| 413 | typedef struct t_nd_opt_hdr {
|
---|
| 414 | uint8_t type; /* ãªãã·ã§ã³ã¿ã¤ã */
|
---|
| 415 | uint8_t len; /* ãªãã·ã§ã³é·ãåä½ã¯ 8 ãã¤ã */
|
---|
| 416 | } __attribute__((packed, aligned(2))) T_ND_OPT_HDR;
|
---|
| 417 |
|
---|
| 418 | #define ND_OPT_HDR_SIZE (sizeof(T_ND_OPT_HDR))
|
---|
| 419 |
|
---|
| 420 | #define ND_OPT_SOURCE_LINKADDR UINT_C(1) /* éä¿¡å
|
---|
| 421 | ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã¢ãã¬ã¹ */
|
---|
| 422 | #define ND_OPT_TARGET_LINKADDR UINT_C(2) /* 対象ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã¢ãã¬ã¹ */
|
---|
| 423 | #define ND_OPT_PREFIX_INFORMATION UINT_C(3) /* ãã¬ãã£ãã¯ã¹æ
|
---|
| 424 | å ± */
|
---|
| 425 | #define ND_OPT_REDIRECTED_HEADER UINT_C(4) /* ãªãã¤ã¬ã¯ãã»ããã */
|
---|
| 426 | #define ND_OPT_MTU UINT_C(5) /* MTU */
|
---|
| 427 |
|
---|
| 428 | #define ND_OPT_PREFIX_INFO_COUNT UINT_C(6) /* ãã¬ãã£ãã¯ã¹æ
|
---|
| 429 | å ±ã®åæ° */
|
---|
| 430 | #define ND_OPT_OFF_ARRAY_SIZE UINT_C(7) /* ND ãªãã·ã§ã³ã®ãªãã»ãããè¨é²ããé
|
---|
| 431 | åãµã¤ãº*/
|
---|
| 432 |
|
---|
| 433 | #define ND_OPT_OFF_ARRAY_IX(t) ((t)-1) /* ãªãã»ããé
|
---|
| 434 | åã®ã¤ã³ããã¯ã¹ */
|
---|
| 435 |
|
---|
| 436 | /* ãã¬ãã£ãã¯ã¹ãªãã·ã§ã³ */
|
---|
| 437 |
|
---|
| 438 | typedef struct t_nd_opt_prefix_info {
|
---|
| 439 | uint8_t type; /* è¿é£æ¢ç´¢ãªãã·ã§ã³ã¿ã¤ã = 3 */
|
---|
| 440 | uint8_t len; /* ãªãã·ã§ã³é· = 8Ã4=32 */
|
---|
| 441 | uint8_t prefix_len; /* ãã¬ãã£ãã¯ã¹é· */
|
---|
| 442 | uint8_t flags; /* ãã©ã° */
|
---|
| 443 | uint32_t valid; /* [s] æå¹æé */
|
---|
| 444 | uint32_t preferred; /* [s] æ¨å¥¨æå¹æé */
|
---|
| 445 | uint32_t reserved;
|
---|
| 446 | T_IN6_ADDR prefix; /* ãã¬ãã£ãã¯ã¹ */
|
---|
| 447 | } __attribute__((packed, aligned(2))) T_ND_OPT_PREFIX_INFO;
|
---|
| 448 |
|
---|
| 449 | #define ND_OPT_PI_FLAG_ONLINK UINT_C(0x80) /* ãªã³ãªã³ã¯ãã¬ãã£ãã¯ã¹ */
|
---|
| 450 | #define ND_OPT_PI_FLAG_AUTO UINT_C(0x40) /* ã¹ãã¼ãã¬ã¹ã»ã¢ãã¬ã¹èªåè¨å®*/
|
---|
| 451 |
|
---|
| 452 | /* MTU ãªãã·ã§ã³ããã */
|
---|
| 453 |
|
---|
| 454 | typedef struct t_nd_opt_mtu_hdr {
|
---|
| 455 | uint8_t type; /* ãªãã·ã§ã³ã¿ã¤ã */
|
---|
| 456 | uint8_t len; /* ãªãã·ã§ã³é·ãåä½ã¯ 8 ãã¤ã*/
|
---|
| 457 | uint16_t reserved;
|
---|
| 458 | uint32_t mtu; /* MTU */
|
---|
| 459 | } __attribute__((packed, aligned(2))) T_ND_OPT_MTU_HDR;
|
---|
| 460 |
|
---|
| 461 | /*
|
---|
| 462 | * åãç´ã
|
---|
| 463 | */
|
---|
| 464 |
|
---|
| 465 | typedef struct t_nd_redirect_hdr {
|
---|
| 466 | T_ICMP6_HDR hdr;
|
---|
| 467 | T_IN6_ADDR target; /* ã«ã¼ã¿ã®ã¢ãã¬ã¹ */
|
---|
| 468 | T_IN6_ADDR dst; /* åãç´ãã®çµç¹ã¢ãã¬ã¹ */
|
---|
| 469 | /* ãã®å¾ã«ãªãã·ã§ã³ãç¶ã */
|
---|
| 470 | } __attribute__((packed, aligned(2))) T_ND_REDIRECT_HDR;
|
---|
| 471 |
|
---|
| 472 | #define ND_REDIRECT_HDR_SIZE (sizeof(T_ND_REDIRECT_HDR))
|
---|
| 473 |
|
---|
| 474 | #ifdef SUPPORT_MIB
|
---|
| 475 |
|
---|
| 476 | /*
|
---|
| 477 | * SNMP 㮠管çæ
|
---|
| 478 | å ±ãã¼ã¹ (MIB)
|
---|
| 479 | */
|
---|
| 480 |
|
---|
| 481 | typedef struct t_icmp6_ifstat {
|
---|
| 482 | uint32_t ipv6IfIcmpInMsgs;
|
---|
| 483 | uint32_t ipv6IfIcmpInErrors;
|
---|
| 484 | uint32_t ipv6IfIcmpInDestUnreachs;
|
---|
| 485 | /* uint32_t ipv6IfIcmpInAdminProhibs;*/
|
---|
| 486 | uint32_t ipv6IfIcmpInTimeExcds;
|
---|
| 487 | uint32_t ipv6IfIcmpInParmProblems;
|
---|
| 488 | uint32_t ipv6IfIcmpInPktTooBigs;
|
---|
| 489 | uint32_t ipv6IfIcmpInEchos;
|
---|
| 490 | uint32_t ipv6IfIcmpInEchoReplies;
|
---|
| 491 | /* uint32_t ipv6IfIcmpInRouterSolicits;*/
|
---|
| 492 | uint32_t ipv6IfIcmpInRouterAdvertisements;
|
---|
| 493 | uint32_t ipv6IfIcmpInNeighborSolicits;
|
---|
| 494 | uint32_t ipv6IfIcmpInNeighborAdvertisements;
|
---|
| 495 | uint32_t ipv6IfIcmpInRedirects;
|
---|
| 496 | /* uint32_t ipv6IfIcmpInGroupMembQueries;*/
|
---|
| 497 | /* uint32_t ipv6IfIcmpInGroupMembResponses;*/
|
---|
| 498 | /* uint32_t ipv6IfIcmpInGroupMembReductions;*/
|
---|
| 499 | uint32_t ipv6IfIcmpOutMsgs;
|
---|
| 500 | uint32_t ipv6IfIcmpOutErrors;
|
---|
| 501 | uint32_t ipv6IfIcmpOutDestUnreachs;
|
---|
| 502 | /* uint32_t ipv6IfIcmpOutAdminProhibs;*/
|
---|
| 503 | /* uint32_t ipv6IfIcmpOutTimeExcds;*/
|
---|
| 504 | uint32_t ipv6IfIcmpOutParmProblems;
|
---|
| 505 | uint32_t ipv6IfIcmpOutPktTooBigs;
|
---|
| 506 | uint32_t ipv6IfIcmpOutEchos;
|
---|
| 507 | uint32_t ipv6IfIcmpOutEchoReplies;
|
---|
| 508 | uint32_t ipv6IfIcmpOutRouterSolicits;
|
---|
| 509 | /* uint32_t ipv6IfIcmpOutRouterAdvertisements;*/
|
---|
| 510 | uint32_t ipv6IfIcmpOutNeighborSolicits;
|
---|
| 511 | uint32_t ipv6IfIcmpOutNeighborAdvertisements;
|
---|
| 512 | /* uint32_t ipv6IfIcmpOutRedirects;*/
|
---|
| 513 | /* uint32_t ipv6IfIcmpOutGroupMembQueries;*/
|
---|
| 514 | /* uint32_t ipv6IfIcmpOutGroupMembResponses;*/
|
---|
| 515 | /* uint32_t ipv6IfIcmpOutGroupMembReductions;*/
|
---|
| 516 | } T_ICMP6_IFSTAT;
|
---|
| 517 |
|
---|
| 518 | extern T_ICMP6_IFSTAT icmp6_ifstat;
|
---|
| 519 |
|
---|
| 520 | #endif /* of #ifdef SUPPORT_MIB */
|
---|
| 521 |
|
---|
| 522 | /*
|
---|
| 523 | * é¢æ°
|
---|
| 524 | */
|
---|
| 525 |
|
---|
| 526 | extern uint_t icmp6_input (T_NET_BUF **inputp, uint_t *offp, uint_t *nextp);
|
---|
| 527 | extern void icmp6_error (T_NET_BUF *input, uint8_t type, uint8_t code, uint32_t param);
|
---|
| 528 |
|
---|
| 529 | #ifdef ICMP_CFG_CALLBACK_ECHO_REPLY
|
---|
| 530 |
|
---|
| 531 | extern void icmp6_echo_reply (T_NET_BUF *input, uint_t ihoff);
|
---|
| 532 |
|
---|
| 533 | #endif /* of #ifdef ICMP_CFG_CALLBACK_ECHO_REPLY */
|
---|
| 534 |
|
---|
| 535 | #endif /* of #ifndef _IP_ICMP6_H_ */
|
---|