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 | * @(#) $Id$
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44 | */
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45 |
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46 | /*
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47 | * Copyright (c) 1982, 1986, 1989, 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 |
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79 | #ifndef _NET_ENDIAN_H_
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80 | #define _NET_ENDIAN_H_
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81 |
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82 | /*
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83 | * ãã¤ããªã¼ãã®å®ç¾©
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84 | */
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85 |
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86 | #define _NET_CFG_LITTLE_ENDIAN 1234
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87 | #define _NET_CFG_BIG_ENDIAN 4321
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88 |
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89 | #ifdef TARGET_KERNEL_ASP
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90 |
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91 | #if defined(SIL_ENDIAN_LITTLE)
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92 |
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93 | #define _NET_CFG_BYTE_ORDER _NET_CFG_LITTLE_ENDIAN
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94 |
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95 | #elif defined(SIL_ENDIAN_BIG)
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96 |
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97 | #define _NET_CFG_BYTE_ORDER _NET_CFG_BIG_ENDIAN
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98 |
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99 | #else /* of #if defined(SIL_ENDIAN_BIG) */
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100 |
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101 | #error "SIL_ENDIAN expected."
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102 |
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103 | #endif /* of #if defined(SIL_ENDIAN_BIG) */
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104 |
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105 | #endif /* of #ifdef TARGET_KERNEL_ASP */
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106 |
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107 | #ifdef TARGET_KERNEL_JSP
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108 |
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109 | #if SIL_ENDIAN == SIL_ENDIAN_LITTLE
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110 |
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111 | #define _NET_CFG_BYTE_ORDER _NET_CFG_LITTLE_ENDIAN
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112 |
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113 | #elif SIL_ENDIAN == SIL_ENDIAN_BIG /* of #if SIL_ENDIAN == SIL_ENDIAN_LITTLE */
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114 |
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115 | #define _NET_CFG_BYTE_ORDER _NET_CFG_BIG_ENDIAN
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116 |
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117 | #else /* of #if SIL_ENDIAN == SIL_ENDIAN_LITTLE */
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118 |
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119 | #error "SIL_ENDIAN expected."
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120 |
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121 | #endif /* of #if SIL_ENDIAN == SIL_ENDIAN_LITTLE */
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122 |
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123 | #endif /* of #ifdef TARGET_KERNEL_JSP */
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124 |
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125 | /*
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126 | * ãã¤ããªã¼ãå¤æã®å®ç¾©
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127 | */
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128 |
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129 | #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN
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130 |
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131 | #define ntohs(n) ((uint16_t)n)
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132 | #define htons(h) ((uint16_t)h)
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133 | #define ntohl(n) ((uint32_t)n)
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134 | #define htonl(h) ((uint32_t)h)
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135 |
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136 | #define NTOHS(n)
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137 | #define HTONS(h)
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138 | #define NTOHL(n)
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139 | #define HTONL(h)
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140 |
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141 | /*
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142 | * 注æ: IPããã以éã¯ã4 ãã¤ãå¢çã«ã¢ã©ã¤ã³ããã¦ããäºã
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143 | * åæã¨ãã¦ãããã4 ãã¤ãå¢çã§ã¢ã¯ã»ã¹ãã
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144 | * ããã»ããµã§ããããã¯ã¼ã¯å´ã®ãã¼ã¿ãã4 ãã¤ãå¢çã«ã¢ã©ã¤ã³
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145 | * ããã¦ããªãå ´åã¯ãntoahlãahtonlãnahcmpl ã使ç¨ãããã¨ã
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146 | */
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147 |
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148 | #define ntoahs(h,n) memcpy((void*)&(h),(n),sizeof(uint16_t))
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149 | #define ahtons(n,h) memcpy((n),(void*)&(h),sizeof(uint16_t))
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150 | #define ntoahl(h,n) memcpy((void*)&(h),(n),sizeof(uint32_t))
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151 | #define ahtonl(n,h) memcpy((n),(void*)&(h),sizeof(uint32_t))
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152 |
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153 | #define nahcmpl(n,h) memcmp((n),(void*)&(h),sizeof(uint32_t))
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154 |
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155 | #elif _NET_CFG_BYTE_ORDER == _NET_CFG_LITTLE_ENDIAN /* of #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN */
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156 |
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157 | #ifndef NET_REV_ENDIAN_HWORD
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158 |
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159 | #define NET_REV_ENDIAN_HWORD(d) ((uint16_t)((((uint16_t)(d)&0xff)<<8)|(((uint16_t)(d)>>8)&0xff)))
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160 |
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161 | #endif /* of #ifndef NET_REV_ENDIAN_HWORD */
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162 |
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163 | #ifndef NET_REV_ENDIAN_WORD
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164 |
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165 | #define NET_REV_ENDIAN_WORD(d) ((uint32_t)((((uint32_t)(d)&0xff)<<24)|(((uint32_t)(d)&0xff00)<<8)| \
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166 | (((uint32_t)(d)>>8)&0xff00)|(((uint32_t)(d)>>24)&0xff)))
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167 |
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168 | #endif /* of #ifndef NET_REV_ENDIAN_WORD */
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169 |
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170 | #define ntohs(n) NET_REV_ENDIAN_HWORD(n)
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171 | #define htons(h) NET_REV_ENDIAN_HWORD(h)
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172 | #define ntohl(n) NET_REV_ENDIAN_WORD(n)
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173 | #define htonl(h) NET_REV_ENDIAN_WORD(h)
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174 |
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175 | #define NTOHS(n) ((n)=NET_REV_ENDIAN_HWORD(n))
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176 | #define HTONS(h) ((h)=NET_REV_ENDIAN_HWORD(h))
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177 | #define NTOHL(n) ((n)=NET_REV_ENDIAN_WORD(n))
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178 | #define HTONL(h) ((h)=NET_REV_ENDIAN_WORD(h))
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179 |
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180 | /*
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181 | * 注æ: IPããã以éã¯ã4 ãã¤ãå¢çã«ã¢ã©ã¤ã³ããã¦ããäºã
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182 | * åæã¨ãã¦ãããã4 ãã¤ãå¢çã§ã¢ã¯ã»ã¹ãã
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183 | * ããã»ããµã§ããããã¯ã¼ã¯å´ã®ãã¼ã¿ãã4 ãã¤ãå¢çã«ã¢ã©ã¤ã³
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184 | * ããã¦ããªãå ´åã¯ãntoahlãahtonlãnahcmpl ã使ç¨ãããã¨ã
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185 | */
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186 |
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187 | #ifndef _MACRO_ONLY
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188 |
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189 | extern void rev_memcpy_word (void *dst, void *src);
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190 | extern void rev_memcpy_hword (void *dst, void *src);
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191 |
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192 | extern int rev_memcmp_word (void *data1, void *data2);
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193 |
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194 | #endif /* of #ifndef _MACRO_ONLY */
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195 |
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196 | #define ntoahs(h,n) rev_memcpy_hword((void*)&(h),(n))
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197 | #define ahtons(n,h) rev_memcpy_hword((n),(void*)&(h))
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198 | #define ntoahl(h,n) rev_memcpy_word((void*)&(h),(n))
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199 | #define ahtonl(n,h) rev_memcpy_word((n),(void*)&(h))
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200 |
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201 | #define nahcmpl(n,h) rev_memcmp_word((n),(void*)&(h))
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202 |
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203 | #else /* #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN */
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204 |
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205 | #error "_NET_CFG_BYTE_ORDER expected."
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206 |
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207 | #endif /* #if _NET_CFG_BYTE_ORDER == _NET_CFG_BIG_ENDIAN */
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208 |
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209 | #endif /* of #ifndef _NET_ENDIAN_H_ */
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