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: tcp_var.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, 1994, 1995
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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 | * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95
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79 | * $FreeBSD: src/sys/netinet/tcp_var.h,v 1.49.2.1 1999/08/29 16:29:57 peter Exp $
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80 | */
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81 |
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82 | #ifndef _TCP_VAR_H_
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83 | #define _TCP_VAR_H_
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84 |
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85 | /*
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86 | * TCP ãããã»ãã¤ãã¼ãã¢ã¯ã»ã¹ãã¯ã
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87 | */
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88 |
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89 | #define IP_TCP_HDR_SIZE (IP_HDR_SIZE + TCP_HDR_SIZE)
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90 | #define IF_IP_TCP_HDR_SIZE (IF_IP_HDR_SIZE + TCP_HDR_SIZE)
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91 | #define IF_IP_TCP_HDR_OFFSET (IF_IP_HDR_SIZE)
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92 | #define IF_IP_TCP_SDU_OFFSET (IF_IP_TCP_HDR_SIZE)
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93 |
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94 | #define GET_TCP_HDR(nbuf,thoff) ((T_TCP_HDR*)((uint8_t*)((nbuf)->buf) + thoff))
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95 | #define GET_TCP_OPT(nbuf,thoff) ((uint8_t*)((nbuf)->buf) + thoff + TCP_HDR_SIZE)
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96 | #define GET_TCP_SDU(nbuf,thoff) ((uint8_t*)((nbuf)->buf) + thoff + GET_TCP_HDR_SIZE2(nbuf,thoff))
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97 |
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98 | #define GET_TCP_HDR_OFFSET(nbuf) (GET_IF_IP_HDR_SIZE(nbuf))
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99 |
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100 | #define GET_TCP_HDR_SIZE2(nbuf,thoff) (TCP_HDR_LEN(GET_TCP_HDR(nbuf,thoff)->doff))
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101 | #define GET_IP_TCP_HDR_SIZE2(nbuf,thoff) \
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102 | (GET_IP_HDR_SIZE(GET_IP_HDR(nbuf)) + GET_TCP_HDR_SIZE2(nbuf,thoff))
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103 | #define GET_IF_IP_TCP_HDR_SIZE2(nbuf,thoff) \
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104 | (IF_HDR_SIZE + GET_IP_TCP_HDR_SIZE2(nbuf,thoff))
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105 |
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106 | /*
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107 | * TINET 1.1 ã¨ã®äºææ§ã®ããã®å®ç¾©
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108 | */
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109 |
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110 | #if defined(SUPPORT_INET4)
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111 |
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112 | #define IP4_TCP_HDR_SIZE IP_TCP_HDR_SIZE
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113 | #define IF_IP4_TCP_HDR_SIZE IF_IP_TCP_HDR_SIZE
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114 | #define GET_IP4_TCP_HDR_SIZE(nbuf) GET_IP_TCP_HDR_SIZE(nbuf)
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115 | #define GET_IF_IP4_TCP_HDR_SIZE(nbuf) GET_IF_IP_TCP_HDR_SIZE(nbuf)
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116 |
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117 | #endif /* of #if defined(SUPPORT_INET4) */
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118 |
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119 | /*
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120 | * TINET 1.3 ã¨ã®äºææ§ã®ããã®å®ç¾©
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121 | */
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122 |
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123 | #define TMIN_TCP_CREPID TMIN_TCP_REPID
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124 | #define TMIN_TCP_CCEPID TMIN_TCP_CEPID
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125 | #define TNUM_TCP_CREPID TNUM_TCP_REPID
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126 | #define TNUM_TCP_CCEPID TNUM_TCP_CEPID
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127 |
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128 | /*
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129 | * ã³ã¼ã«ããã¯é¢æ°ã®å®ç¾©
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130 | */
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131 |
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132 | typedef ER (*t_tcp_callback)(ID cepid, FN fncd, void *p_parblk);
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133 |
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134 | /*
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135 | * TCP åä»å£
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136 | */
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137 |
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138 | /* IPv4 ç¨ TCP åä»å£ */
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139 | typedef struct t_tcp4_rep {
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140 |
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141 | /*
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142 | * ITRON TCP/IP APIãTCP åä»å£ã¨åãã¡ã³ã
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143 | */
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144 | ATR repatr; /* åä»å£å±æ§ */
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145 | T_IPV4EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
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146 |
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147 | #ifdef TCP_CFG_EXTENTIONS
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148 | uint16_t flags; /* åä»å£ãã©ã° */
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149 | ID semid_lock; /* åä»å£ãã㯠*/
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150 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
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151 |
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152 | } T_TCP4_REP;
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153 |
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154 | /* IPv6 ç¨ TCP åä»å£ */
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155 | typedef struct t_tcp6_rep {
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156 |
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157 | /*
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158 | * ITRON TCP/IP APIãTCP åä»å£ã¨åãã¡ã³ã
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159 | */
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160 | ATR repatr; /* åä»å£å±æ§ */
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161 | T_IPV6EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
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162 |
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163 | #ifdef TCP_CFG_EXTENTIONS
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164 | uint16_t flags; /* åä»å£ãã©ã° */
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165 | ID semid_lock; /* åä»å£ãã㯠*/
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166 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
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167 |
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168 | } T_TCP6_REP;
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169 |
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170 | #if defined(SUPPORT_INET4)
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171 | #define T_TCP_REP T_TCP4_REP
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172 | #endif
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173 |
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174 | #if defined(SUPPORT_INET6)
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175 | #define T_TCP_REP T_TCP6_REP
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176 | #endif
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177 |
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178 | /*
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179 | * åä»å£ãã©ã°
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180 | */
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181 |
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182 | #define TCP_REP_FLG_DYNAMIC UINT_C(0x0400) /* åççæã»åé¤å¯è½åä»å£ã */
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183 | #define TCP_REP_FLG_VALID UINT_C(0x0800) /* çææ¸ã¿ã§æå¹ãªåä»å£ã */
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184 |
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185 | /*
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186 | * TCP é信端ç¹
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187 | */
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188 |
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189 | typedef uint32_t T_TCP_SEQ;
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190 | typedef uint16_t T_TCP_SEG;
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191 | typedef uint16_t T_TCP_WND;
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192 |
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193 | /*
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194 | * é常㮠IPv4 TCP é信端ç¹
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195 | */
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196 | typedef struct t_tcp4_cep {
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197 |
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198 | /*
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199 | * ITRON TCP/IP APIãTCP é信端ç¹ã¨åãã¡ã³ã
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200 | */
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201 | ATR cepatr; /* é信端ç¹å±æ§ */
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202 | void *sbuf; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ */
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203 | int_t sbufsz; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
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204 | void *rbuf; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ */
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205 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
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206 | t_tcp_callback callback; /* ã³ã¼ã«ããã¯é¢æ° */
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207 |
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208 | /*
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209 | * TINET ç¬èªã®ã¡ã³ã
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210 | */
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211 | uint32_t flags; /* é信端ç¹ãã©ã° */
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212 | ID semid_lock; /* é信端ç¹ãã㯠*/
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213 | ID est_flgid; /* ã³ãã¯ã·ã§ã³ç¶æ
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214 | ã¤ãã³ããã©ã° */
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215 | ID snd_flgid; /* éä¿¡ã¤ãã³ããã©ã° */
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216 | ID rcv_flgid; /* åä¿¡ã¤ãã³ããã©ã° */
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217 | ID snd_tskid; /* éä¿¡ã¿ã¹ã¯èå¥å */
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218 | ID rcv_tskid; /* åä¿¡ã¿ã¹ã¯èå¥å */
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219 | uint8_t *sbuf_rptr; /* éä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
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220 | uint8_t *sbuf_wptr; /* éä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
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221 | uint8_t *rbuf_rptr; /* åä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
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222 | uint8_t *rbuf_wptr; /* åä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
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223 | T_TCP_SEQ snd_ssthresh; /* 輻輳ã¦ã£ã³ããµã¤ãº(snd_cwnd) */
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224 | /* ã®ãããå¤ */
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225 | T_TCP_TIME rxtcur; /* ç¾å¨ã®åéã¿ã¤ã ã¢ã¦ã */
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226 | T_TCP_TIME srtt; /* å¹³æ»åããã RTT */
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227 | T_TCP_TIME rttvar; /* å¹³æ»åãããåæ£ */
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228 | T_TCP_WND snd_cwnd; /* 輻輳ã¦ã£ã³ããµã¤ãº */
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229 |
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230 | /*
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231 | * ç¸æã®æ大åä¿¡ã»ã°ã¡ã³ããµã¤ãº
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232 | *
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233 | * ãªãªã¸ãã«ã§ã¯ãä¸è¬ã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxseg) ã¨ã
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234 | * ãªãã·ã§ã³ä»ãã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxopd) ãå¥ã«
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235 | * ãªã£ã¦ãããããã¯ãç¾å¨ã®ã¤ã³ã¿ã¼ãããã§ã¯ããªãã·ã§ã³ä»ãã®
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236 | * ã»ã°ã¡ã³ãã®ã»ããå¤ãããã¨èª¬æããã¦ããããã§ããã
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237 | * æ¬å®è£
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238 | ã§ã¯ãæ大ã»ã°ã¡ã³ããµã¤ãºãªãã·ã§ã³ä»¥å¤ã®ãªãã·ã§ã³ã¯
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239 | * å®è£
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240 | ããªãã®ã§ãt_maxseg ã®ä½¿ç¨ããã
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241 | */
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242 | T_TCP_SEG maxseg;
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243 |
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244 | int16_t snd_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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245 | int16_t rcv_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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246 |
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247 | #ifdef TCP_CFG_NON_BLOCKING
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248 |
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249 | T_IPV4EP *p_dstaddr; /* ç¸æã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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250 | T_IPV4EP *p_myaddr; /* èªåã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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251 | int16_t snd_nblk_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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252 | int16_t rcv_nblk_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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253 | void *snd_data; /* éä¿¡ãã¼ã¿é åã®å
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254 | é ã¢ãã¬ã¹ */
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255 | int_t snd_len; /* éä¿¡ãã¼ã¿é åã®é·ã */
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256 | void *rcv_data; /* åä¿¡ãã¼ã¿é åã®å
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257 | é ã¢ãã¬ã¹ */
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258 | int_t rcv_len; /* åä¿¡ãã¼ã¿é åã®é·ã */
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259 | void **snd_p_buf; /* éä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
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260 | void **rcv_p_buf; /* åä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
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261 |
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262 | #endif /* of #ifdef TCP_CFG_NON_BLOCKING */
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263 |
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264 | #ifdef TCP_CFG_SWBUF_CSAVE
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265 | T_NET_BUF *swbufq; /* éä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
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266 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE */
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267 |
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268 | /*
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269 | * ãã以éã®ã¡ã³ãã¼ã¯ tcp_init_cep() é¢æ°ã§ã¼ãã¯ãªã¢ã¼ãããã
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270 | */
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271 |
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272 | T_TCP_TIME timer[NUM_TCP_TIMERS]; /* TCP ã®ã¿ã¤ã */
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273 | T_IPV4EP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
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274 | T_IPV4EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
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275 | T_TCP4_REP *rep; /* åä»å£ */
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276 | T_NET_BUF *reassq; /* åä¿¡åæ§æãã¥ã¼ */
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277 |
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278 | #ifdef TCP_CFG_RWBUF_CSAVE
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279 | T_NET_BUF *rwbufq; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
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280 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE */
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281 |
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282 | #ifdef TCP_CFG_EXTENTIONS
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283 | T_TCP_HDR *urg_tcph; /* ç·æ¥ãã¼ã¿å
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284 | ¥ãã®ã»ã°ã¡ã³ãã® TCP ããã */
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285 | T_TCP_SEQ snd_up; /* éä¿¡ããç·æ¥ãã¤ã³ã¿ */
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286 | T_TCP_SEQ rcv_up; /* åä¿¡ããç·æ¥ãã¤ã³ã¿ */
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287 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
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288 |
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289 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
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290 | /* 確èªãããæ大éä¿¡ SEQ */
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291 | T_TCP_SEQ snd_max; /* éä¿¡ããæ大 SEQ */
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292 | T_TCP_SEQ snd_nxt; /* 次ã«éä¿¡ãã SEQ */
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293 | T_TCP_SEQ snd_old_nxt; /* å
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294 | ã® snd_nxt */
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295 | T_TCP_SEQ snd_wl1; /* ååã¦ã£ã³ããæ´æ°ãã SEQ */
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296 | T_TCP_SEQ snd_wl2; /* ååã¦ã£ã³ããæ´æ°ãã ACK */
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297 | T_TCP_SEQ iss; /* èªåã® SEQ ã®åæå¤ */
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298 | T_TCP_SEQ irs; /* ç¸æã® SEQ ã®åæå¤ */
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299 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
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300 | ãã¦ããæå°ã® SEQ */
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301 | T_TCP_SEQ rcv_adv; /* åä¿¡ãæå¾
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302 | ãã¦ããæ大㮠SEQ */
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303 | T_TCP_SEQ rcv_wnd; /* åä¿¡å¯è½ãªã¦ã£ã³ããµã¤ãº */
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304 | T_TCP_SEQ rtseq; /* æéè¨æ¸¬ãå§ãã SEQ */
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305 | T_TCP_SEQ last_ack_sent; /* æå¾ã«éä¿¡ãã ACK */
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306 | T_TCP_TIME idle; /* ã¢ã¤ãã«æé */
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307 | ER error; /* éåæã«çºçããã¨ã©ã¼ */
|
---|
308 | ER net_error; /* ãããã¯ã¼ã¯ã®ã¨ã©ã¼ç¶æ
|
---|
309 | */
|
---|
310 | T_TCP_WND snd_wnd; /* ç¸æã®åä¿¡å¯è½ã¦ã£ã³ããµã¤ãº */
|
---|
311 | T_TCP_WND max_sndwnd; /* ä»ã¾ã§ã®æ大éä¿¡ã¦ã£ã³ããµã¤ãº */
|
---|
312 | T_TCP_TIME rtt; /* å¾å¾©æé */
|
---|
313 | uint16_t swbuf_count; /* éä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
314 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
315 | uint16_t rcv_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
316 | uint16_t get_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
317 | uint8_t rxtshift; /* åéä¿¡åæ°ã® log(2) */
|
---|
318 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
319 | */
|
---|
320 | uint8_t dupacks; /* åé ACK æ° */
|
---|
321 |
|
---|
322 | #if defined(TCP_CFG_RWBUF_CSAVE) && defined(TCP_CFG_RWBUF_CSAVE_MAX_QUEUES)
|
---|
323 | uint8_t rwbufq_entries; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã®ã¨ã³ããªæ° */
|
---|
324 | #endif /* of #if defined(TCP_CFG_RWBUF_CSAVE) && defined(TCP_CFG_RWBUF_CSAVE_MAX_QUEUES) */
|
---|
325 |
|
---|
326 | } T_TCP4_CEP;
|
---|
327 |
|
---|
328 | /*
|
---|
329 | * Time Wait ç¨ IPv4 TCP é信端ç¹
|
---|
330 | */
|
---|
331 | typedef struct t_tcp4_twcep {
|
---|
332 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
|
---|
333 | T_TCP_TIME timer_2msl; /* 2MSL ã¿ã¤ã */
|
---|
334 | T_IPV4EP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
|
---|
335 | T_IPV4EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
|
---|
336 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
|
---|
337 | /* 確èªãããæ大éä¿¡ SEQ */
|
---|
338 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
339 | ãã¦ããæå°ã® SEQ */
|
---|
340 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
341 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
342 | */
|
---|
343 |
|
---|
344 | } T_TCP4_TWCEP;
|
---|
345 |
|
---|
346 | /*
|
---|
347 | * é常㮠IPv6 TCP é信端ç¹
|
---|
348 | */
|
---|
349 | typedef struct t_tcp6_cep {
|
---|
350 |
|
---|
351 | /*
|
---|
352 | * ITRON TCP/IP APIãTCP é信端ç¹ã¨åãã¡ã³ã
|
---|
353 | */
|
---|
354 | ATR cepatr; /* é信端ç¹å±æ§ */
|
---|
355 | void *sbuf; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ */
|
---|
356 | int_t sbufsz; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
|
---|
357 | void *rbuf; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ */
|
---|
358 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
|
---|
359 | t_tcp_callback callback; /* ã³ã¼ã«ããã¯é¢æ° */
|
---|
360 |
|
---|
361 | /*
|
---|
362 | * TINET ç¬èªã®ã¡ã³ã
|
---|
363 | */
|
---|
364 | uint32_t flags; /* é信端ç¹ãã©ã° */
|
---|
365 | ID semid_lock; /* é信端ç¹ãã㯠*/
|
---|
366 | ID est_flgid; /* ã³ãã¯ã·ã§ã³ç¶æ
|
---|
367 | ã¤ãã³ããã©ã° */
|
---|
368 | ID snd_flgid; /* éä¿¡ã¤ãã³ããã©ã° */
|
---|
369 | ID rcv_flgid; /* åä¿¡ã¤ãã³ããã©ã° */
|
---|
370 | ID snd_tskid; /* éä¿¡ã¿ã¹ã¯èå¥å */
|
---|
371 | ID rcv_tskid; /* åä¿¡ã¿ã¹ã¯èå¥å */
|
---|
372 | uint8_t *sbuf_rptr; /* éä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
|
---|
373 | uint8_t *sbuf_wptr; /* éä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
|
---|
374 | uint8_t *rbuf_rptr; /* åä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
|
---|
375 | uint8_t *rbuf_wptr; /* åä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
|
---|
376 | T_TCP_SEQ snd_ssthresh; /* 輻輳ã¦ã£ã³ããµã¤ãº(snd_cwnd) */
|
---|
377 | /* ã®ãããå¤ */
|
---|
378 | T_TCP_TIME rxtcur; /* ç¾å¨ã®åéã¿ã¤ã ã¢ã¦ã */
|
---|
379 | T_TCP_TIME srtt; /* å¹³æ»åããã RTT */
|
---|
380 | T_TCP_TIME rttvar; /* å¹³æ»åãããåæ£ */
|
---|
381 | T_TCP_WND snd_cwnd; /* 輻輳ã¦ã£ã³ããµã¤ãº */
|
---|
382 |
|
---|
383 | /*
|
---|
384 | * ç¸æã®æ大åä¿¡ã»ã°ã¡ã³ããµã¤ãº
|
---|
385 | *
|
---|
386 | * ãªãªã¸ãã«ã§ã¯ãä¸è¬ã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxseg) ã¨ã
|
---|
387 | * ãªãã·ã§ã³ä»ãã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxopd) ãå¥ã«
|
---|
388 | * ãªã£ã¦ãããããã¯ãç¾å¨ã®ã¤ã³ã¿ã¼ãããã§ã¯ããªãã·ã§ã³ä»ãã®
|
---|
389 | * ã»ã°ã¡ã³ãã®ã»ããå¤ãããã¨èª¬æããã¦ããããã§ããã
|
---|
390 | * æ¬å®è£
|
---|
391 | ã§ã¯ãæ大ã»ã°ã¡ã³ããµã¤ãºãªãã·ã§ã³ä»¥å¤ã®ãªãã·ã§ã³ã¯
|
---|
392 | * å®è£
|
---|
393 | ããªãã®ã§ãt_maxseg ã®ä½¿ç¨ããã
|
---|
394 | */
|
---|
395 | T_TCP_SEG maxseg;
|
---|
396 |
|
---|
397 | T_IPV6EP *p_dstaddr; /* ç¸æã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
|
---|
398 | T_IPV6EP *p_myaddr; /* èªåã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
|
---|
399 | int16_t snd_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
|
---|
400 | int16_t rcv_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
|
---|
401 |
|
---|
402 | #ifdef TCP_CFG_NON_BLOCKING
|
---|
403 |
|
---|
404 | int16_t snd_nblk_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
|
---|
405 | int16_t rcv_nblk_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
|
---|
406 | void *snd_data; /* éä¿¡ãã¼ã¿é åã®å
|
---|
407 | é ã¢ãã¬ã¹ */
|
---|
408 | int_t snd_len; /* éä¿¡ãã¼ã¿é åã®é·ã */
|
---|
409 | void *rcv_data; /* åä¿¡ãã¼ã¿é åã®å
|
---|
410 | é ã¢ãã¬ã¹ */
|
---|
411 | int_t rcv_len; /* åä¿¡ãã¼ã¿é åã®é·ã */
|
---|
412 | void **snd_p_buf; /* éä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
|
---|
413 | void **rcv_p_buf; /* åä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
|
---|
414 |
|
---|
415 | #endif /* of #ifdef TCP_CFG_NON_BLOCKING */
|
---|
416 |
|
---|
417 | #ifdef TCP_CFG_SWBUF_CSAVE
|
---|
418 | T_NET_BUF *swbufq; /* éä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
|
---|
419 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE */
|
---|
420 |
|
---|
421 | /*
|
---|
422 | * ãã以éã®ã¡ã³ãã¼ã¯ tcp_init_cep() é¢æ°ã§ã¼ãã¯ãªã¢ã¼ãããã
|
---|
423 | */
|
---|
424 |
|
---|
425 | T_TCP_TIME timer[NUM_TCP_TIMERS]; /* TCP ã®ã¿ã¤ã */
|
---|
426 | T_IPV6EP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
|
---|
427 | T_IPV6EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
|
---|
428 | T_TCP6_REP *rep; /* åä»å£ */
|
---|
429 | T_NET_BUF *reassq; /* åä¿¡åæ§æãã¥ã¼ */
|
---|
430 |
|
---|
431 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
432 | T_NET_BUF *rwbufq; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
|
---|
433 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE */
|
---|
434 |
|
---|
435 | #ifdef TCP_CFG_EXTENTIONS
|
---|
436 | T_TCP_HDR *urg_tcph; /* ç·æ¥ãã¼ã¿å
|
---|
437 | ¥ãã®ã»ã°ã¡ã³ãã® TCP ããã */
|
---|
438 | T_TCP_SEQ snd_up; /* éä¿¡ããç·æ¥ãã¤ã³ã¿ */
|
---|
439 | T_TCP_SEQ rcv_up; /* åä¿¡ããç·æ¥ãã¤ã³ã¿ */
|
---|
440 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
441 |
|
---|
442 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
|
---|
443 | /* 確èªãããæ大éä¿¡ SEQ */
|
---|
444 | T_TCP_SEQ snd_max; /* éä¿¡ããæ大 SEQ */
|
---|
445 | T_TCP_SEQ snd_nxt; /* 次ã«éä¿¡ãã SEQ */
|
---|
446 | T_TCP_SEQ snd_old_nxt; /* å
|
---|
447 | ã® snd_nxt */
|
---|
448 | T_TCP_SEQ snd_wl1; /* ååã¦ã£ã³ããæ´æ°ãã SEQ */
|
---|
449 | T_TCP_SEQ snd_wl2; /* ååã¦ã£ã³ããæ´æ°ãã ACK */
|
---|
450 | T_TCP_SEQ iss; /* èªåã® SEQ ã®åæå¤ */
|
---|
451 | T_TCP_SEQ irs; /* ç¸æã® SEQ ã®åæå¤ */
|
---|
452 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
453 | ãã¦ããæå°ã® SEQ */
|
---|
454 | T_TCP_SEQ rcv_adv; /* åä¿¡ãæå¾
|
---|
455 | ãã¦ããæ大㮠SEQ */
|
---|
456 | T_TCP_SEQ rcv_wnd; /* åä¿¡å¯è½ãªã¦ã£ã³ããµã¤ãº */
|
---|
457 | T_TCP_SEQ rtseq; /* æéè¨æ¸¬ãå§ãã SEQ */
|
---|
458 | T_TCP_SEQ last_ack_sent; /* æå¾ã«éä¿¡ãã ACK */
|
---|
459 | T_TCP_TIME idle; /* ã¢ã¤ãã«æé */
|
---|
460 | ER error; /* éåæã«çºçããã¨ã©ã¼ */
|
---|
461 | ER net_error; /* ãããã¯ã¼ã¯ã®ã¨ã©ã¼ç¶æ
|
---|
462 | */
|
---|
463 | T_TCP_WND snd_wnd; /* ç¸æã®åä¿¡å¯è½ã¦ã£ã³ããµã¤ãº */
|
---|
464 | T_TCP_WND max_sndwnd; /* ä»ã¾ã§ã®æ大éä¿¡ã¦ã£ã³ããµã¤ãº */
|
---|
465 | T_TCP_TIME rtt; /* å¾å¾©æé */
|
---|
466 | uint16_t swbuf_count; /* éä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
467 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
468 | uint16_t rcv_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
469 | uint16_t get_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
470 | uint8_t rxtshift; /* åéä¿¡åæ°ã® log(2) */
|
---|
471 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
472 | */
|
---|
473 | uint8_t dupacks; /* åé ACK æ° */
|
---|
474 |
|
---|
475 | #if defined(TCP_CFG_RWBUF_CSAVE) && defined(TCP_CFG_RWBUF_CSAVE_MAX_QUEUES)
|
---|
476 | uint8_t rwbufq_entries; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã®ã¨ã³ããªæ° */
|
---|
477 | #endif /* of #if defined(TCP_CFG_RWBUF_CSAVE) && defined(TCP_CFG_RWBUF_CSAVE_MAX_QUEUES) */
|
---|
478 |
|
---|
479 | } T_TCP6_CEP;
|
---|
480 |
|
---|
481 | /*
|
---|
482 | * Time Wait ç¨ IPv6 TCP é信端ç¹
|
---|
483 | */
|
---|
484 | typedef struct t_tcp6_twcep {
|
---|
485 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
|
---|
486 | T_TCP_TIME timer_2msl; /* 2MSL ã¿ã¤ã */
|
---|
487 | T_IPV6EP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
|
---|
488 | T_IPV6EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
|
---|
489 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
|
---|
490 | /* 確èªãããæ大éä¿¡ SEQ */
|
---|
491 | T_TCP_SEQ iss; /* èªåã® SEQ ã®åæå¤ */
|
---|
492 | T_TCP_SEQ irs; /* ç¸æã® SEQ ã®åæå¤ */
|
---|
493 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
494 | ãã¦ããæå°ã® SEQ */
|
---|
495 | T_TCP_WND snd_wnd; /* ç¸æã®åä¿¡å¯è½ã¦ã£ã³ããµã¤ãº */
|
---|
496 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
497 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
498 | */
|
---|
499 |
|
---|
500 | } T_TCP6_TWCEP;
|
---|
501 |
|
---|
502 | #if defined(SUPPORT_INET4)
|
---|
503 | #define T_TCP_CEP T_TCP4_CEP
|
---|
504 | #define T_TCP_TWCEP T_TCP4_TWCEP
|
---|
505 | #endif /* of #if defined(SUPPORT_INET4) */
|
---|
506 |
|
---|
507 | #if defined(SUPPORT_INET6)
|
---|
508 | #define T_TCP_CEP T_TCP6_CEP
|
---|
509 | #define T_TCP_TWCEP T_TCP6_TWCEP
|
---|
510 | #endif /* of #if defined(SUPPORT_INET6) */
|
---|
511 |
|
---|
512 | #define T_TCP_CEP_DEFINED
|
---|
513 |
|
---|
514 | /*
|
---|
515 | * TCP é信端ç¹ã®ç¶æ
|
---|
516 | ãã©ã°
|
---|
517 | */
|
---|
518 |
|
---|
519 | #define TCP_CEP_FLG_ACK_NOW ULONG_C(0x00000001) /* ç´ã¡ã«ç¸æã« ACK ãéãã */
|
---|
520 | #define TCP_CEP_FLG_DEL_ACK ULONG_C(0x00000002) /* ACK ãé
|
---|
521 | 延ããã */
|
---|
522 | #define TCP_CEP_FLG_SENT_FIN ULONG_C(0x00000004) /* FIN ãéã£ã¦ããã */
|
---|
523 | #define TCP_CEP_FLG_NEED_SYN ULONG_C(0x00000008) /* SYN ãéä¿¡ããã */
|
---|
524 | #define TCP_CEP_FLG_NEED_FIN ULONG_C(0x00000010) /* FIN ãéä¿¡ããã */
|
---|
525 | #define TCP_CEP_FLG_FORCE ULONG_C(0x00000020) /* å¼·å¶éä¿¡ã */
|
---|
526 | #define TCP_CEP_FLG_NO_PUSH ULONG_C(0x00000040) /* push ããªãã */
|
---|
527 | #define TCP_CEP_FLG_NO_DELAY ULONG_C(0x00000080) /* é
|
---|
528 | 延ããªãã */
|
---|
529 | #define TCP_CEP_FLG_FORCE_CLEAR ULONG_C(0x00000100) /* å¼·å¶éä¿¡ããå¾ãã©ã°ãã¯ãªã¢ã¼ããã*/
|
---|
530 | #define TCP_CEP_FLG_POST_OUTPUT ULONG_C(0x00000200) /* éä¿¡ãéå§ããã */
|
---|
531 | #define TCP_CEP_FLG_RESERVE_OUTPUT ULONG_C(0x00000400) /* éä¿¡ãäºç´ããã */
|
---|
532 | #define TCP_CEP_FLG_DYNAMIC ULONG_C(0x00001000) /* åççæã»åé¤å¯è½é信端ç¹ã */
|
---|
533 | #define TCP_CEP_FLG_VALID ULONG_C(0x00002000) /* çææ¸ã¿ã§æå¹ãªé信端ç¹ã */
|
---|
534 | #define TCP_CEP_FLG_CLOSE_AFTER_OUTPUT ULONG_C(0x00004000) /* éä¿¡ããå¾ã³ãã¯ã·ã§ã³ãéããã*/
|
---|
535 | #define TCP_CEP_FLG_RESTORE_NEXT_OUTPUT ULONG_C(0x00008000) /* éä¿¡ããå¾ãsnd_nxt ãå
|
---|
536 | ã«æ»ãã*/
|
---|
537 |
|
---|
538 | /* éåä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ */
|
---|
539 | #define TCP_CEP_FLG_WBCS_NBUF_REQ ULONG_C(0x00080000) /* ãããã¯ã¼ã¯ãããã¡å²å½ã¦è¦æ± */
|
---|
540 | #define TCP_CEP_FLG_WBCS_MASK ULONG_C(0x00070000) /* ãã¹ã¯ */
|
---|
541 | #define TCP_CEP_FLG_WBCS_FREE ULONG_C(0x00000000) /* éä¿¡ã¦ã£ã³ããããã¡æªä½¿ç¨ */
|
---|
542 | #define TCP_CEP_FLG_WBCS_WOPEN_PEND ULONG_C(0x00010000) /* ç¸æã®åä¿¡ã¦ã£ã³ãã®éãå¾
|
---|
543 | ã¡ */
|
---|
544 | #define TCP_CEP_FLG_WBCS_NBUF_PEND ULONG_C(0x00020000) /* ãããã¯ã¼ã¯ãããã¡äºç´å¾
|
---|
545 | ã¡ */
|
---|
546 | #define TCP_CEP_FLG_WBCS_NBUF_RSVD ULONG_C(0x00030000) /* ãããã¯ã¼ã¯ãããã¡äºç´æ¸ã¿ */
|
---|
547 | #define TCP_CEP_FLG_WBCS_NBUF_READY ULONG_C(0x00040000) /* ãããã¯ã¼ã¯ãããã¡å²å½ã¦æ¸ã¿ */
|
---|
548 | #define TCP_CEP_FLG_WBCS_SEND_READY ULONG_C(0x00050000) /* éä¿¡å¯è½ */
|
---|
549 | #define TCP_CEP_FLG_WBCS_SENT ULONG_C(0x00060000) /* éä¿¡æ¸ã¿ã§ãACKå¾
|
---|
550 | ã¡ */
|
---|
551 | #define TCP_CEP_FLG_WBCS_ACKED ULONG_C(0x00070000) /* éä¿¡æ¸ã¿ã§ãACKå®äº */
|
---|
552 |
|
---|
553 | /*
|
---|
554 | * é信端ç¹ã¤ãã³ããã©ã°
|
---|
555 | */
|
---|
556 |
|
---|
557 | #define TCP_CEP_EVT_ESTABLISHED ULONG_C(0x00000001) /* ã³ãã¯ã·ã§ã³ç¢ºç« */
|
---|
558 | #define TCP_CEP_EVT_CLOSED ULONG_C(0x00000002) /* æªä½¿ç¨ç¶æ
|
---|
559 | */
|
---|
560 | #define TCP_CEP_EVT_SWBUF_READY ULONG_C(0x00000004) /* éä¿¡ã¦ã£ã³ããããã¡ç©ºã */
|
---|
561 | #define TCP_CEP_EVT_RWBUF_READY ULONG_C(0x00000008) /* éä¿¡ã¦ã£ã³ããããã¡ãã¼ã¿ãã */
|
---|
562 | #define TCP_CEP_EVT_ALL ULONG_C(0xffffffff) /* å
|
---|
563 | ¨ã¤ãã³ã */
|
---|
564 |
|
---|
565 | /*
|
---|
566 | * 追å API æ©è½ã»äºè±¡ã³ã¼ã
|
---|
567 | */
|
---|
568 |
|
---|
569 | /* TCP é¢ä¿ */
|
---|
570 |
|
---|
571 | #define TFN_TCP_UNDEF (0)
|
---|
572 |
|
---|
573 | /*
|
---|
574 | * srtt: å¹³æ»åããã RTT
|
---|
575 | * rttvar: å¹³æ»åãããåæ£
|
---|
576 | * rtt: 測å®ãããå¾å¾©æé
|
---|
577 | *
|
---|
578 | * å¹³æ»åããã RTT (srtt) ã¨å¹³æ»åãããåæ£ (rttvar) ã
|
---|
579 | * æ´æ°åã§è¨ç®ããããã«ãå·¦ã·ãããã¦ã¹ã±ã¼ã«ããã
|
---|
580 | * srtt 㯠2 é²å°æ°ç¹ä»¥ä¸ 3 ãããã
|
---|
581 | * rttvar 㯠2 é²å°æ°ç¹ä»¥ä¸ 2 ããããä¿æããã
|
---|
582 | */
|
---|
583 |
|
---|
584 | #define TCP_DELTA_SHIFT 2
|
---|
585 | /* å·®å = rtt/8 + srtt*7/8 ã®è¨ç®ã®ããã®ã·ããå¤ */
|
---|
586 | #define TCP_SRTT_SHIFT (TCP_DELTA_SHIFT + 3)
|
---|
587 | /* srtt ã®ã·ããå¤ã3(+2)ããã */
|
---|
588 | #define TCP_RTTVAR_SHIFT (TCP_DELTA_SHIFT + 2)
|
---|
589 | /* rttvar ã®ã·ããå¤ã2(+2)ããã */
|
---|
590 | #define TCP_SRTT_SCALE (1<<TCP_SRTT_SHIFT)
|
---|
591 | #define TCP_RTTVAR_SCALE (1<<TCP_RTTVAR_SHIFT)
|
---|
592 |
|
---|
593 | /*
|
---|
594 | * é«éå転éãéå§ããåé ACK æ°ã®ãããå¤
|
---|
595 | */
|
---|
596 |
|
---|
597 | #define MAX_TCP_REXMT_THRESH 3
|
---|
598 |
|
---|
599 | /*
|
---|
600 | * åä¿¡åæ§æãã¥ã¼ã§ã® TCP ããã
|
---|
601 | */
|
---|
602 |
|
---|
603 | typedef struct t_tcp_q_hdr {
|
---|
604 | uint16_t sport; /* éä¿¡å
|
---|
605 | ãã¼ãçªå· */
|
---|
606 | uint16_t dport; /* å®å
|
---|
607 | ãã¼ãçªå· */
|
---|
608 |
|
---|
609 | uint32_t seq; /* SEQ çªå· */
|
---|
610 |
|
---|
611 | T_NET_BUF *next; /* 次ã®ã»ã°ã¡ã³ããå
|
---|
612 | 㯠ACK çªå·(ack) */
|
---|
613 |
|
---|
614 | uint8_t doff; /* ãã¼ã¿ãªãã»ãã(ä¸ä½4ããã) */
|
---|
615 | uint8_t flags; /* ãã©ã°(ä¸ä½6ããã) */
|
---|
616 | uint16_t soff; /* SDU ãªãã»ãããå
|
---|
617 | ã¯ã¦ã£ã³ããµã¤ãº(win) */
|
---|
618 |
|
---|
619 | uint16_t slen; /* SDU é·ãå
|
---|
620 | ã¯ãã§ãã¯ãµã (sum) */
|
---|
621 | uint16_t urp; /* ç·æ¥ãã¤ã³ã¿ï¼SDU é·è£æ£ï¼ */
|
---|
622 | } __attribute__((packed, aligned(2)))T_TCP_Q_HDR;
|
---|
623 |
|
---|
624 | #define GET_TCP_Q_HDR(nbuf,thoff) ((T_TCP_Q_HDR*)((uint8_t*)((nbuf)->buf) + thoff))
|
---|
625 | #define GET_TCP_IP_Q_HDR(nbuf) ((T_TCP_IP_Q_HDR*)GET_IP_HDR(nbuf))
|
---|
626 |
|
---|
627 | /*
|
---|
628 | * ãªãã¸ã§ã¯ã ID ã®æå°å¤ã®å®ç¾©
|
---|
629 | */
|
---|
630 |
|
---|
631 | #define TMIN_TCP_REPID 1 /* TCP åä»å£ ID ã®æå°å¤ */
|
---|
632 | #define TMIN_TCP_CEPID 1 /* TCP éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
633 | #define TMIN_TCP_TWCEPID 1 /* Time Wait ç¨ TCP éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
634 |
|
---|
635 | /*
|
---|
636 | * å¶å¾¡ã»ã°ã¡ã³ãï¼ãã¼ã¿ãªãï¼ãµã¤ãºã®ãããã¯ã¼ã¯ãããã¡
|
---|
637 | */
|
---|
638 |
|
---|
639 | typedef struct t_net_buf_cseg {
|
---|
640 | uint16_t len; /* ãã¼ã¿ã®é·ã */
|
---|
641 | uint8_t idix; /* mpfid ã®ã¤ã³ããã¯ã¹ */
|
---|
642 | uint8_t flags; /* ãã©ã° */
|
---|
643 | #ifdef IF_ETHER_NIC_NET_BUF_ALIGN
|
---|
644 | uint8_t nalign[IF_ETHER_NIC_NET_BUF_ALIGN];
|
---|
645 | #endif
|
---|
646 | #if CPU_NET_ALIGN == 4 && IF_HDR_ALIGN != 4
|
---|
647 | uint8_t halign[4 - IF_HDR_ALIGN];
|
---|
648 | #endif
|
---|
649 | uint8_t buf[IF_HDR_SIZE + IP_HDR_SIZE + TCP_HDR_SIZE];
|
---|
650 | /* ãããã¡æ¬ä½ */
|
---|
651 | } T_NET_BUF_CSEG;
|
---|
652 |
|
---|
653 | #ifdef SUPPORT_MIB
|
---|
654 |
|
---|
655 | /*
|
---|
656 | * SNMP 㮠管çæ
|
---|
657 | å ±ãã¼ã¹ (MIB)
|
---|
658 | */
|
---|
659 |
|
---|
660 | typedef struct t_tcp_stats {
|
---|
661 | uint32_t tcpActiveOpens;
|
---|
662 | uint32_t tcpPassiveOpens;
|
---|
663 | uint32_t tcpAttemptFails;
|
---|
664 | uint32_t tcpEstabResets;
|
---|
665 | /* uint32_t tcpCurrEstab;*/
|
---|
666 | uint32_t tcpInSegs;
|
---|
667 | uint32_t tcpOutSegs;
|
---|
668 | uint32_t tcpRetransSegs;
|
---|
669 | uint32_t tcpInErrs;
|
---|
670 | uint32_t tcpOutRsts;
|
---|
671 | } T_TCP_STATS;
|
---|
672 |
|
---|
673 | #endif /* of #ifdef SUPPORT_MIB */
|
---|
674 |
|
---|
675 | /*
|
---|
676 | * é¢æ°ã·ãã¥ã¬ã¼ã·ã§ã³ãã¯ã
|
---|
677 | */
|
---|
678 |
|
---|
679 | #define VAID_TCP_REPID(id) (TMIN_TCP_REPID<=(id)&&(id)<=tmax_tcp_repid)
|
---|
680 | #define VAID_TCP_CEPID(id) (TMIN_TCP_CEPID<=(id)&&(id)<=tmax_tcp_cepid)
|
---|
681 |
|
---|
682 | #define INDEX_TCP_REP(id) ((id)-TMIN_TCP_REPID)
|
---|
683 | #define INDEX_TCP_CEP(id) ((id)-TMIN_TCP_CEPID)
|
---|
684 |
|
---|
685 | #define GET_TCP_REP(id) (&(tcp_rep[INDEX_TCP_REP(id)]))
|
---|
686 | #define GET_TCP_CEP(id) (&(tcp_cep[INDEX_TCP_CEP(id)]))
|
---|
687 |
|
---|
688 | #define GET_TCP_REPID(rep) ((ID)(((rep)-tcp_rep)+TMIN_TCP_REPID))
|
---|
689 | #define GET_TCP_CEPID(cep) ((ID)(((cep)-tcp_cep)+TMIN_TCP_CEPID))
|
---|
690 | #define GET_TCP_TWCEPID(cep) ((ID)(((cep)-tcp_twcep)+TMIN_TCP_TWCEPID))
|
---|
691 |
|
---|
692 | #define IS_TFN_TCP_RCV(t) ((t)==TFN_TCP_ACP_CEP||(t)==TFN_TCP_RCV_DAT||\
|
---|
693 | (t)==TFN_TCP_CLS_CEP||\
|
---|
694 | (t)==TFN_TCP_RCV_BUF||(t)==TFN_TCP_REL_BUF||\
|
---|
695 | (t)==TFN_TCP_RCV_OOB)
|
---|
696 |
|
---|
697 | #define VALID_TFN_TCP_CAN(t) ((t)==TFN_TCP_ACP_CEP||(t)==TFN_TCP_CON_CEP||\
|
---|
698 | (t)==TFN_TCP_CLS_CEP||\
|
---|
699 | (t)==TFN_TCP_SND_DAT||(t)==TFN_TCP_RCV_DAT||\
|
---|
700 | (t)==TFN_TCP_GET_BUF||(t)==TFN_TCP_RCV_BUF||\
|
---|
701 | (t)==TFN_TCP_SND_OOB||\
|
---|
702 | (t)==TFN_TCP_ALL)
|
---|
703 |
|
---|
704 | #define VALID_URG_POINTER(urg) (TCP_CFG_URG_OFFSET==0||urg!=0)
|
---|
705 |
|
---|
706 | #define VALID_TCP_CEP(cep) (((cep)->flags&TCP_CEP_FLG_VALID)!=0)
|
---|
707 | #define DYNAMIC_TCP_CEP(cep) (((cep)->flags&TCP_CEP_FLG_DYNAMIC)!=0)
|
---|
708 |
|
---|
709 | #ifdef TCP_CFG_EXTENTIONS
|
---|
710 |
|
---|
711 | #define VALID_TCP_REP(rep) (((rep)->flags&TCP_REP_FLG_VALID)!=0)
|
---|
712 | #define DYNAMIC_TCP_REP(rep) (((rep)->flags&TCP_REP_FLG_DYNAMIC)!=0)
|
---|
713 |
|
---|
714 | #else /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
715 |
|
---|
716 | #define VALID_TCP_REP(rep) (true)
|
---|
717 | #define DYNAMIC_TCP_REP(rep) (false)
|
---|
718 |
|
---|
719 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
720 |
|
---|
721 | /*
|
---|
722 | * å
|
---|
723 | ¨åå¤æ°
|
---|
724 | */
|
---|
725 |
|
---|
726 | extern T_TCP_REP tcp_rep[];
|
---|
727 | extern T_TCP_CEP tcp_cep[];
|
---|
728 | extern uint8_t tcp_initialized;
|
---|
729 | extern const ID tmax_tcp_repid;
|
---|
730 | extern const ID tmax_tcp_cepid;
|
---|
731 | extern T_TCP_TWCEP tcp_twcep[];
|
---|
732 |
|
---|
733 | #ifdef SUPPORT_MIB
|
---|
734 |
|
---|
735 | extern T_TCP_STATS tcp_stats;
|
---|
736 |
|
---|
737 | #endif /* of #ifdef SUPPORT_MIB */
|
---|
738 |
|
---|
739 | /*
|
---|
740 | * Inline é¢æ°
|
---|
741 | */
|
---|
742 |
|
---|
743 | #ifndef TCP_CFG_RWBUF_CSAVE
|
---|
744 |
|
---|
745 | /*
|
---|
746 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã
|
---|
747 | * ç¡å¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
748 | */
|
---|
749 |
|
---|
750 | /*
|
---|
751 | * tcp_free_rwbufq -- åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã解æ¾ããã
|
---|
752 | */
|
---|
753 |
|
---|
754 | Inline void
|
---|
755 | tcp_free_rwbufq_ncs (T_TCP_CEP *cep)
|
---|
756 | {
|
---|
757 | }
|
---|
758 |
|
---|
759 | #endif /* of #ifndef TCP_CFG_RWBUF_CSAVE */
|
---|
760 |
|
---|
761 | #ifdef TCP_CFG_SWBUF_CSAVE_ONLY
|
---|
762 |
|
---|
763 | /*
|
---|
764 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®ã¿ã
|
---|
765 | * æå¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
766 | */
|
---|
767 |
|
---|
768 | /*
|
---|
769 | * tcp_read_swbuf_cs -- éä¿¡ã¦ã£ã³ããããã¡ãããã¼ã¿ãèªã¿åºãã
|
---|
770 | */
|
---|
771 |
|
---|
772 | Inline void
|
---|
773 | tcp_read_swbuf_cs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff)
|
---|
774 | {
|
---|
775 | }
|
---|
776 |
|
---|
777 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
778 |
|
---|
779 | #ifndef TCP_CFG_SWBUF_CSAVE
|
---|
780 |
|
---|
781 | /*
|
---|
782 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã
|
---|
783 | * ç¡å¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
784 | */
|
---|
785 |
|
---|
786 | /*
|
---|
787 | * tcp_free_swbufq -- éä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã解æ¾ããã
|
---|
788 | */
|
---|
789 |
|
---|
790 | Inline void
|
---|
791 | tcp_free_swbufq_ncs (T_TCP_CEP *cep)
|
---|
792 | {
|
---|
793 | }
|
---|
794 |
|
---|
795 | /*
|
---|
796 | * tcp_alloc_swbuf -- éä¿¡ã¦ã£ã³ããããã¡ç¨ã®ãããã¯ã¼ã¯ãããã¡ã®å²ãå½ã¦ãæ示ããã
|
---|
797 | */
|
---|
798 |
|
---|
799 | Inline void
|
---|
800 | tcp_alloc_swbuf_ncs (T_TCP_CEP *cep)
|
---|
801 | {
|
---|
802 | }
|
---|
803 |
|
---|
804 | /*
|
---|
805 | * tcp_push_res_nbuf -- ãããã¯ã¼ã¯ãããã¡ãäºç´ããã
|
---|
806 | */
|
---|
807 |
|
---|
808 | Inline T_NET_BUF *
|
---|
809 | tcp_push_res_nbuf_ncs (T_NET_BUF *nbuf)
|
---|
810 | {
|
---|
811 | return nbuf;
|
---|
812 | }
|
---|
813 |
|
---|
814 | /*
|
---|
815 | * tcp_pull_res_nbuf -- äºç´ãã¦ãããããã¯ã¼ã¯ãããã¡è¿ãã
|
---|
816 | */
|
---|
817 |
|
---|
818 | Inline T_NET_BUF *
|
---|
819 | tcp_pull_res_nbuf_ncs (ATR nbatr)
|
---|
820 | {
|
---|
821 | return NULL;
|
---|
822 | }
|
---|
823 |
|
---|
824 | #endif /* of #ifndef TCP_CFG_SWBUF_CSAVE */
|
---|
825 |
|
---|
826 | /*
|
---|
827 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®åãæ¿ããã¯ã
|
---|
828 | */
|
---|
829 |
|
---|
830 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
831 |
|
---|
832 | #ifdef TCP_CFG_RWBUF_CSAVE_ONLY
|
---|
833 |
|
---|
834 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq_cs(cep)
|
---|
835 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf_cs(cep,len)
|
---|
836 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf_cs(cep,data,len)
|
---|
837 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr_cs(cep,buf)
|
---|
838 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf_cs(cep,input,thoff)
|
---|
839 |
|
---|
840 | #else /* of #ifdef TCP_CFG_RWBUF_CSAVE_ONLY */
|
---|
841 |
|
---|
842 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq(cep)
|
---|
843 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf(cep,len)
|
---|
844 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf(cep,data,len)
|
---|
845 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr(cep,buf)
|
---|
846 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf(cep,input,thoff)
|
---|
847 |
|
---|
848 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE_ONLY */
|
---|
849 |
|
---|
850 | #else /* of #ifdef TCP_CFG_RWBUF_CSAVE */
|
---|
851 |
|
---|
852 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq_ncs(cep)
|
---|
853 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf_ncs(cep,len)
|
---|
854 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf_ncs(cep,data,len)
|
---|
855 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr_ncs(cep,buf)
|
---|
856 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf_ncs(cep,input,thoff)
|
---|
857 |
|
---|
858 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE */
|
---|
859 |
|
---|
860 | /*
|
---|
861 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®åãæ¿ããã¯ã
|
---|
862 | */
|
---|
863 |
|
---|
864 | #ifdef TCP_CFG_SWBUF_CSAVE
|
---|
865 |
|
---|
866 | #define TCP_PUSH_RES_NBUF(nbuf) tcp_push_res_nbuf(nbuf)
|
---|
867 | #define TCP_PULL_RES_NBUF(atr) tcp_pull_res_nbuf(atr)
|
---|
868 |
|
---|
869 | #ifdef TCP_CFG_SWBUF_CSAVE_ONLY
|
---|
870 |
|
---|
871 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq_cs(cep)
|
---|
872 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf_cs(cep)
|
---|
873 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf_cs(cep,len)
|
---|
874 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf_cs(cep,data,len)
|
---|
875 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf_cs(cep,output,len,doff)
|
---|
876 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf_cs(cep,tmout)
|
---|
877 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr_cs(cep,buf)
|
---|
878 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf_cs(cep,len)
|
---|
879 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full_cs(cep)
|
---|
880 |
|
---|
881 | #else /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
882 |
|
---|
883 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq(cep)
|
---|
884 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf(cep)
|
---|
885 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf(cep,len)
|
---|
886 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf(cep,data,len)
|
---|
887 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf(cep,output,len,doff)
|
---|
888 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf(cep,tmout)
|
---|
889 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr(cep,buf)
|
---|
890 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf(cep,len)
|
---|
891 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full(cep)
|
---|
892 |
|
---|
893 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
894 |
|
---|
895 | #else /* of #ifdef TCP_CFG_SWBUF_CSAVE */
|
---|
896 |
|
---|
897 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf_ncs(cep,output,len,doff)
|
---|
898 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq_ncs(cep)
|
---|
899 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf_ncs(cep)
|
---|
900 | #define TCP_PUSH_RES_NBUF(nbuf) tcp_push_res_nbuf_ncs(nbuf)
|
---|
901 | #define TCP_PULL_RES_NBUF(atr) tcp_pull_res_nbuf_ncs(atr)
|
---|
902 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf_ncs(cep,len)
|
---|
903 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf_ncs(cep,data,len)
|
---|
904 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf_ncs(cep,tmout)
|
---|
905 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr_ncs(cep,buf)
|
---|
906 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf_ncs(cep,len)
|
---|
907 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full_ncs(cep)
|
---|
908 |
|
---|
909 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE */
|
---|
910 |
|
---|
911 | /*
|
---|
912 | * é¢æ°
|
---|
913 | */
|
---|
914 |
|
---|
915 | extern uint_t tcp_input (T_NET_BUF **inputp, uint_t *offp, uint_t *nextp);
|
---|
916 | extern void tcp_init (void);
|
---|
917 | extern void tcp_init_iss (void);
|
---|
918 | extern T_TCP_CEP *tcp_close (T_TCP_CEP *cep);
|
---|
919 | extern T_TCP_CEP *tcp_drop (T_TCP_CEP *cep, ER errno);
|
---|
920 | extern void tcp_respond (T_NET_BUF *nbuf, T_TCP_CEP *cep,
|
---|
921 | T_TCP_SEQ ack, T_TCP_SEQ seq, uint_t rbfree, uint8_t flags);
|
---|
922 | extern void tcp_set_header (T_NET_BUF *nbuf, T_TCP_CEP *cep, uint_t thoff, uint_t optlen);
|
---|
923 | extern ER tcp_get_segment (T_NET_BUF **nbuf, T_TCP_CEP *cep,
|
---|
924 | uint_t optlen, uint_t len, uint_t maxlen, ATR nbatr, TMO tmout);
|
---|
925 | extern void tcp_init_cep (T_TCP_CEP *cep);
|
---|
926 | extern void tcp_notify (T_NET_BUF *input, int code);
|
---|
927 | extern T_TCP_TIME tcp_rexmt_val (T_TCP_CEP *cep);
|
---|
928 | extern void tcp_set_persist_timer (T_TCP_CEP *cep);
|
---|
929 | extern void tcp_cancel_timers (T_TCP_CEP *cep);
|
---|
930 | extern void tcp_alloc_auto_port (T_TCP_CEP *cep);
|
---|
931 | extern ER tcp_alloc_port (T_TCP_CEP *cep, uint16_t portno);
|
---|
932 | extern void tcp_move_twcep (T_TCP_CEP *cep);
|
---|
933 | extern ER tcp_lock_cep (ID cepid, T_TCP_CEP **p_cep, FN tfn);
|
---|
934 | extern void tcp_free_reassq (T_TCP_CEP *cep);
|
---|
935 | extern ER tcp_can_send_more (T_TCP_CEP *cep, FN fncd, TMO tmout);
|
---|
936 | extern ER tcp_can_recv_more (ER *error, T_TCP_CEP *cep, FN fncd, TMO tmout);
|
---|
937 | extern uint8_t tcp_move_ra2rw (T_TCP_CEP *cep, uint8_t flags);
|
---|
938 | extern uint8_t tcp_write_raque (T_NET_BUF *input, T_TCP_CEP *cep, uint_t thoff, uint8_t flags);
|
---|
939 | extern ER tcp_wait_rwbuf (T_TCP_CEP *cep, TMO tmout);
|
---|
940 | extern T_TCP_CEP *tcp_user_closed (T_TCP_CEP *cep);
|
---|
941 |
|
---|
942 | /*
|
---|
943 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ç¨é¢æ°
|
---|
944 | */
|
---|
945 |
|
---|
946 | /*
|
---|
947 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ãæå¹ã®å ´åã
|
---|
948 | * é¢æ°ã®é¸æã«ä½¿ç¨ããã
|
---|
949 | */
|
---|
950 |
|
---|
951 | extern void tcp_free_rwbufq (T_TCP_CEP *cep);
|
---|
952 | extern void tcp_drop_rwbuf (T_TCP_CEP *cep, uint_t len);
|
---|
953 | extern void tcp_write_rwbuf (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
954 | extern uint_t tcp_read_rwbuf (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
955 | extern uint_t tcp_get_rwbuf_addr (T_TCP_CEP *cep, void **p_buf);
|
---|
956 |
|
---|
957 | /*
|
---|
958 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ç¨é¢æ°
|
---|
959 | */
|
---|
960 |
|
---|
961 | extern void tcp_free_rwbufq_cs (T_TCP_CEP *cep);
|
---|
962 | extern void tcp_drop_rwbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
963 | extern void tcp_write_rwbuf_cs (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
964 | extern uint_t tcp_read_rwbuf_cs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
965 | extern uint_t tcp_get_rwbuf_addr_cs (T_TCP_CEP *cep, void **p_buf);
|
---|
966 |
|
---|
967 | /*
|
---|
968 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®ãéãçã³ãã¼æ©è½ç¨é¢æ°
|
---|
969 | */
|
---|
970 |
|
---|
971 | extern void tcp_free_rwbufq_ncs (T_TCP_CEP *cep);
|
---|
972 | extern void tcp_drop_rwbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
973 | extern void tcp_write_rwbuf_ncs (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
974 | extern uint_t tcp_read_rwbuf_ncs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
975 | extern uint_t tcp_get_rwbuf_addr_ncs (T_TCP_CEP *cep, void **p_buf);
|
---|
976 |
|
---|
977 | /*
|
---|
978 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ç¨é¢æ°
|
---|
979 | */
|
---|
980 |
|
---|
981 | /*
|
---|
982 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ãæå¹ã®å ´åã
|
---|
983 | * é¢æ°ã®é¸æã«ä½¿ç¨ããã
|
---|
984 | */
|
---|
985 |
|
---|
986 | extern void tcp_free_swbufq (T_TCP_CEP *cep);
|
---|
987 | extern void tcp_drop_swbuf (T_TCP_CEP *cep, uint_t len);
|
---|
988 | extern ER_UINT tcp_write_swbuf (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
989 | extern void tcp_read_swbuf (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
990 | extern void tcp_send_swbuf (T_TCP_CEP *cep, uint_t len);
|
---|
991 | extern ER_UINT tcp_get_swbuf_addr (T_TCP_CEP *cep, void **p_buf);
|
---|
992 | extern ER tcp_wait_swbuf (T_TCP_CEP *cep, TMO tmout);
|
---|
993 | extern T_NET_BUF *tcp_push_res_nbuf (T_NET_BUF *buf);
|
---|
994 | extern T_NET_BUF *tcp_pull_res_nbuf (ATR nbatr);
|
---|
995 | extern void tcp_alloc_swbuf (T_TCP_CEP *cep);
|
---|
996 | extern bool_t tcp_is_swbuf_full (T_TCP_CEP *cep);
|
---|
997 | extern void tcp_init_swbuf (T_TCP_CEP *cep);
|
---|
998 |
|
---|
999 | /*
|
---|
1000 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ç¨é¢æ°
|
---|
1001 | */
|
---|
1002 |
|
---|
1003 | extern void tcp_free_swbufq_cs (T_TCP_CEP *cep);
|
---|
1004 | extern void tcp_drop_swbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
1005 | extern ER_UINT tcp_write_swbuf_cs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
1006 | extern void tcp_read_swbuf_cs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
1007 | extern void tcp_send_swbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
1008 | extern ER_UINT tcp_get_swbuf_addr_cs (T_TCP_CEP *cep, void **p_buf);
|
---|
1009 | extern ER tcp_wait_swbuf_cs (T_TCP_CEP *cep, TMO tmout);
|
---|
1010 | extern void tcp_alloc_swbuf_cs (T_TCP_CEP *cep);
|
---|
1011 | extern bool_t tcp_is_swbuf_full_cs (T_TCP_CEP *cep);
|
---|
1012 |
|
---|
1013 | /*
|
---|
1014 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®ãéãçã³ãã¼æ©è½ç¨é¢æ°
|
---|
1015 | */
|
---|
1016 |
|
---|
1017 | extern void tcp_free_swbufq_ncs (T_TCP_CEP *cep);
|
---|
1018 | extern void tcp_drop_swbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
1019 | extern ER_UINT tcp_write_swbuf_ncs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
1020 | extern void tcp_read_swbuf_ncs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
1021 | extern void tcp_send_swbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
1022 | extern ER_UINT tcp_get_swbuf_addr_ncs (T_TCP_CEP *cep, void **p_buf);
|
---|
1023 | extern ER tcp_wait_swbuf_ncs (T_TCP_CEP *cep, TMO tmout);
|
---|
1024 | extern T_NET_BUF *tcp_push_res_nbuf_ncs (T_NET_BUF *buf);
|
---|
1025 | extern T_NET_BUF *tcp_pull_res_nbuf_ncs (ATR nbatr);
|
---|
1026 | extern void tcp_alloc_swbuf_ncs (T_TCP_CEP *cep);
|
---|
1027 | extern bool_t tcp_is_swbuf_full_ncs (T_TCP_CEP *cep);
|
---|
1028 |
|
---|
1029 | /*
|
---|
1030 | * tcp_find_cep -- ãã¼ãçªå·ãã TCP é信端ç¹ãå¾ãã
|
---|
1031 | *
|
---|
1032 | * 注æ: myaddr ã¯ã
|
---|
1033 | * TINET-1.2 ãããããã¯ã¼ã¯ãã¤ããªã¼ãã
|
---|
1034 | * TINET-1.1 ã¾ã§ã¯ããã¹ããã¤ããªã¼ã
|
---|
1035 | */
|
---|
1036 | extern T_TCP_CEP *tcp_find_cep (T_IN_ADDR *dstaddr, uint16_t dstport,
|
---|
1037 | T_IN_ADDR *peeraddr, uint16_t peerport);
|
---|
1038 |
|
---|
1039 | /*
|
---|
1040 | * TCP ãããã®ãã¬ã¼ã¹åºåæ©è½ç¨é¢æ°
|
---|
1041 | */
|
---|
1042 | extern void tcp_output_trace (T_NET_BUF *output, T_TCP_CEP *cep);
|
---|
1043 | extern void tcp_input_trace (T_NET_BUF *input, T_TCP_CEP *cep);
|
---|
1044 |
|
---|
1045 | /* TCP åºåã¿ã¹ã¯ */
|
---|
1046 |
|
---|
1047 | extern void tcp_output_task(intptr_t exinf);
|
---|
1048 |
|
---|
1049 | #endif /* of #ifndef _TCP_VAR_H_ */
|
---|