| 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2009 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: ip_icmp.h 270 2017-02-09 04:03:47Z coas-nagasima $
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| 44 | */
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| 45 |
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| 46 | /*
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| 47 | * Copyright (c) 1982, 1986, 1993
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| 48 | * The Regents of the University of California. All rights reserved.
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| 49 | *
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| 50 | * Redistribution and use in source and binary forms, with or without
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| 51 | * modification, are permitted provided that the following conditions
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| 52 | * are met:
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| 53 | * 1. Redistributions of source code must retain the above copyright
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| 54 | * notice, this list of conditions and the following disclaimer.
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| 55 | * 2. Redistributions in binary form must reproduce the above copyright
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| 56 | * notice, this list of conditions and the following disclaimer in the
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| 57 | * documentation and/or other materials provided with the distribution.
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| 58 | * 3. All advertising materials mentioning features or use of this software
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| 59 | * must display the following acknowledgement:
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| 60 | * This product includes software developed by the University of
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| 61 | * California, Berkeley and its contributors.
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| 62 | * 4. Neither the name of the University nor the names of its contributors
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| 63 | * may be used to endorse or promote products derived from this software
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| 64 | * without specific prior written permission.
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| 65 | *
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| 66 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 67 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 68 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 69 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 70 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 71 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 72 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 73 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 74 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 75 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 76 | * SUCH DAMAGE.
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| 77 | *
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| 78 | * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
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| 79 | * $FreeBSD: src/sys/netinet/ip_icmp.h,v 1.12.2.2 1999/11/18 08:51:44 peter Exp $
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| 80 | */
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| 81 |
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| 82 | #ifndef _IP_ICMP_H_
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| 83 | #define _IP_ICMP_H_
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| 84 |
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| 85 | /*
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| 86 | * ICMP ãããã®å®ç¾©ãRFC 792
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| 87 | */
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| 88 |
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| 89 | typedef struct t_icmp_hdr {
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| 90 | uint8_t type; /* ã¡ãã»ã¼ã¸ã®å */
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| 91 | uint8_t code; /* ãµãå */
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| 92 | uint16_t sum; /* ãã§ãã¯ãµã */
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| 93 | union {
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| 94 | struct id_seq {
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| 95 | uint16_t id;
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| 96 | uint16_t seq;
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| 97 | } id_seq;
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| 98 | T_IN4_ADDR addr;
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| 99 | } data;
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| 100 | } __attribute__((packed, aligned(2)))T_ICMP4_HDR;
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| 101 |
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| 102 | #define ICMP4_HDR_SIZE (sizeof(T_ICMP4_HDR))
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| 103 | #define IP4_ICMP4_HDR_SIZE (IP4_HDR_SIZE + ICMP4_HDR_SIZE)
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| 104 | #define IF_IP4_ICMP4_HDR_SIZE (IF_IP4_HDR_SIZE + ICMP4_HDR_SIZE)
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| 105 | #define IF_IP4_ICMP4_HDR_OFFSET (IF_IP4_HDR_SIZE)
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| 106 |
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| 107 | #define GET_ICMP4_HDR(nbuf,ihoff) ((T_ICMP4_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 108 | #define GET_ICMP4_SDU(nbuf,ihoff) ((uint8_t*)((nbuf)->buf) + ihoff + ICMP4_HDR_SIZE)
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| 109 |
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| 110 | #define GET_ICMP4_HDR_OFFSET(nbuf) (GET_IF_IP_HDR_SIZE(nbuf))
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| 111 |
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| 112 | #define GET_IP4_ICMP4_HDR_SIZE(nbuf) (GET_IP4_HDR_SIZE(GET_IP4_HDR(nbuf)) + ICMP4_HDR_SIZE)
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| 113 | #define GET_IF_IP4_ICMP4_HDR_SIZE(nbuf) (IF_HDR_SIZE + GET_IP4_ICMP4_HDR_SIZE(nbuf))
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| 114 |
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| 115 | /*
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| 116 | * ã¡ãã»ã¼ã¸ã®å
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| 117 | */
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| 118 |
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| 119 | #define ICMP4_ECHO_REPLY UINT_C(0) /* ã¨ã³ã¼å¿ç */
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| 120 | #define ICMP4_UNREACH UINT_C(3) /* ã¨ã©ã¼ */
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| 121 | #define ICMP4_SOURCE_QUENCH UINT_C(4) /* çºä¿¡å¶é */
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| 122 | #define ICMP4_REDIRECT UINT_C(5) /* æ¹åå¤æ´ */
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| 123 | #define ICMP4_ECHO_REQUEST UINT_C(8) /* ã¨ã³ã¼è¦æ± */
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| 124 | #define ICMP4_TIME_EXCEEDED UINT_C(11) /* çºä¿¡å¶é */
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| 125 | #define ICMP4_PARAMETER UINT_C(12) /* ãã©ã¡ã¼ã¿ç°å¸¸ */
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| 126 | #define ICMP4_TIME_REQUEST UINT_C(13) /* ã¿ã¤ã ã¹ã¿ã³ãè¦æ± */
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| 127 | #define ICMP4_TIME_REPLY UINT_C(14) /* ã¿ã¤ã ã¹ã¿ã³ãå¿ç */
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| 128 | #define ICMP4_MASK_REQUEST UINT_C(17) /* ã¢ãã¬ã¹ãã¹ã¯è¦æ± */
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| 129 | #define ICMP4_MASK_REPLY UINT_C(18) /* ã¢ãã¬ã¹ãã¹ã¯å¿ç */
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| 130 |
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| 131 | /*
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| 132 | * ãµãå
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| 133 | */
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| 134 |
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| 135 | /* ICMP4_UNREACH (3) */
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| 136 |
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| 137 | #define ICMP4_UNREACH_NET UINT_C(0) /* ãããã¯ã¼ã¯ */
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| 138 | #define ICMP4_UNREACH_HOST UINT_C(1) /* ãã¹ã */
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| 139 | #define ICMP4_UNREACH_PROTOCOL UINT_C(2) /* ãããã³ã« */
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| 140 | #define ICMP4_UNREACH_PORT UINT_C(3) /* ãã¼ã */
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| 141 | #define ICMP4_UNREACH_FLAG UINT_C(4) /* åå² */
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| 142 | #define ICMP4_UNREACH_SRC_FAIL UINT_C(5) /* ã½ã¼ã¹çµè·¯ */
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| 143 | #define ICMP4_UNREACH_NET_UNKNOWN UINT_C(6) /* ãããã¯ã¼ã¯ä¸æ */
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| 144 | #define ICMP4_UNREACH_HOST_UNKNOWN UINT_C(7) /* ãã¹ãä¸æ */
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| 145 | #define ICMP4_UNREACH_ISOLATED UINT_C(8) /* åé¢ */
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| 146 | #define ICMP4_UNREACH_NET_PROHIB UINT_C(9) /* */
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| 147 | #define ICMP4_UNREACH_HOST_PROHIB UINT_C(10) /* */
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| 148 | #define ICMP4_UNREACH_TOS_NET UINT_C(11) /* ãããã¯ã¼ã¯ã¸ã®ä¸æ£TOS*/
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| 149 | #define ICMP4_UNREACH_TOS_HOST UINT_C(12) /* ãã¹ãã¸ã®ä¸æ£TOS */
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| 150 | #define ICMP4_UNREACH_FILTER_PROHIB UINT_C(13) /* */
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| 151 | #define ICMP4_UNREACH_HOST_PRECEDENCE UINT_C(14) /* */
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| 152 | #define ICMP4_UNREACH_PRECEDENCE_CUTOFF UINT_C(15) /* */
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| 153 |
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| 154 | /* ICMP4_REDIRECT (5) */
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| 155 |
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| 156 | #define ICMP4_REDIRECT_NET UINT_C(0) /* ãããã¯ã¼ã¯ */
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| 157 | #define ICMP4_REDIRECT_HOST UINT_C(1) /* ãã¹ã */
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| 158 | #define ICMP4_REDIRECT_PORT_AND_NET UINT_C(2) /* ãã¼ãçªå·ã¨ããã */
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| 159 | #define ICMP4_REDIRECT_PORT_AND_HOST UINT_C(3) /* ãã¼ãçªå·ã¨ãã¹ã */
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| 160 |
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| 161 | /*
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| 162 | * å
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| 163 | ¨åå¤æ°
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| 164 | */
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| 165 |
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| 166 | /*
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| 167 | * é¢æ°ã·ãã¥ã¬ã¼ã·ã§ã³ãã¯ã
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| 168 | */
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| 169 |
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| 170 | #ifndef ICMP_REPLY_ERROR
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| 171 |
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| 172 | #define _tinet_icmp_error(code,data)
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| 173 |
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| 174 | #endif /* of #ifdef ICMP_REPLY_ERROR */
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| 175 |
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| 176 | /*
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| 177 | * é¢æ°
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| 178 | */
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| 179 |
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| 180 | extern uint_t icmp_input (T_NET_BUF **inputp, uint_t *offp, uint_t *nextp);
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| 181 |
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| 182 | #ifdef ICMP_REPLY_ERROR
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| 183 |
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| 184 | extern void icmp_error (uint8_t code, T_NET_BUF *data);
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| 185 |
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| 186 | #endif /* of #ifdef ICMP_REPLY_ERROR */
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| 187 |
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| 188 | /*
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| 189 | * TINET ç¬èª API
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| 190 | */
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| 191 |
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| 192 | #ifdef ICMP_CFG_CALLBACK_ECHO_REPLY
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| 193 |
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| 194 | extern void icmp_echo_reply (T_NET_BUF *input, uint_t ihoff);
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| 195 |
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| 196 | #endif /* of #ifdef ICMP_CFG_CALLBACK_ECHO_REPLY */
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| 197 |
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| 198 | #endif /* of #ifndef _IP_ICMP_H_ */
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