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 313 2017-07-23 04:50:32Z 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 | } 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 | } 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; /* [ms] å°éå¯è½æé */
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325 | uint32_t retransmit; /* [ms] è¿é£è¦è«éä¿¡éé */
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326 | /* ãã®å¾ã«ãªãã·ã§ã³ãç¶ã */
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327 | } 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
|
---|
370 | */
|
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371 |
|
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372 | /*
|
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373 | * ã«ã¼ã¿è¦è«
|
---|
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 | } 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))
|
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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)
|
---|
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 |
|
---|
395 | #define GET_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) \
|
---|
396 | (GET_IP6_HDR_SIZE(nbuf) + ROUTER_SOLICIT_HDR_SIZE)
|
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397 | #define GET_IF_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) \
|
---|
398 | (GET_IP6_ROUTER_SOLICIT_HDR_SIZE(nbuf) + IF_HDR_SIZE)
|
---|
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 | } 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 | } 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 | } 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 | } 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 | } 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_ */
|
---|