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: tcp_var.h 313 2017-07-23 04:50:32Z coas-nagasima $
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44 | */
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45 |
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46 | /*
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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 GET_TCP_HDR(nbuf,thoff) ((T_TCP_HDR*)((uint8_t*)((nbuf)->buf) + thoff))
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90 | #define GET_TCP_OPT(nbuf,thoff) ((uint8_t*)((nbuf)->buf) + thoff + TCP_HDR_SIZE)
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91 | #define GET_TCP_SDU(nbuf,thoff) ((uint8_t*)((nbuf)->buf) + thoff + GET_TCP_HDR_SIZE(nbuf,thoff))
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92 |
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93 | #define GET_TCP_HDR_OFFSET(nbuf) (GET_IF_IP_HDR_SIZE(nbuf))
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94 |
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95 | #define GET_TCP_HDR_SIZE(nbuf,thoff) (TCP_HDR_LEN(GET_TCP_HDR(nbuf,thoff)->doff))
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96 |
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97 | #define GET_IP_TCP_HDR_SIZE(nbuf,thoff) (GET_IP_HDR_SIZE(nbuf) + GET_TCP_HDR_SIZE(nbuf,thoff))
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98 | #define GET_IF_IP_TCP_HDR_SIZE(nbuf,thoff) \
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99 | (IF_HDR_SIZE + GET_IP_TCP_HDR_SIZE(nbuf,thoff))
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100 | #define IF_IP_TCP_HDR_SIZE(nbuf) (IF_IP_HDR_SIZE(nbuf) + TCP_HDR_SIZE)
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101 | #define IF_IP_TCP_HDR_OFFSET(nbuf) (IF_IP_HDR_SIZE(nbuf))
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102 | #define IF_IP_TCP_NET_HDR_SIZE(addr) (IF_IP_NET_HDR_SIZE(addr) + TCP_HDR_SIZE)
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103 | #define IF_IP_TCP_NET_HDR_OFFSET(addr) (IF_IP_NET_HDR_SIZE(addr))
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104 |
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105 | /*
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106 | * TINET 1.1 ã¨ã®äºææ§ã®ããã®å®ç¾©
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107 | */
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108 |
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109 | #if !defined(_IP6_CFG) && defined(_IP4_CFG)
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110 |
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111 | #define IP4_TCP_HDR_SIZE IP_TCP_HDR_SIZE
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112 | #define IF_IP4_TCP_HDR_SIZE IF_IP_TCP_HDR_SIZE
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113 | #define GET_IP4_TCP_HDR_SIZE(nbuf) GET_IP_TCP_HDR_SIZE1(nbuf)
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114 | #define GET_IF_IP4_TCP_HDR_SIZE(nbuf) GET_IF_IP_TCP_HDR_SIZE1(nbuf)
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115 |
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116 | #endif /* of #if !defined(_IP6_CFG) && defined(_IP4_CFG) */
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117 |
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118 | /*
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119 | * TINET 1.3 ã¨ã®äºææ§ã®ããã®å®ç¾©
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120 | */
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121 |
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122 | #define TMIN_TCP_CREPID TMIN_TCP_REPID
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123 | #define TNUM_TCP_CREPID TNUM_TCP_REPID
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124 |
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125 | #define TMIN_TCP_CCEPID TMIN_TCP_CEPID
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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 ã§ä½¿ç¨ããå¤æ°ã®åã®å®ç¾©
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136 | */
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137 |
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138 | typedef uint32_t T_TCP_SEQ;
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139 | typedef uint16_t T_TCP_SEG;
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140 | typedef uint16_t T_TCP_WND;
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141 | typedef int16_t T_TCP_TIME;
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142 |
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143 | /*
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144 | * TCP ã¿ã¤ãå¤æ°
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145 | */
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146 |
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147 | #define NUM_TCP_TIMERS 4 /* TCP ã®ã¿ã¤ãæ° */
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148 |
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149 | /*
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150 | * TCP åä»å£
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151 | */
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152 |
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153 | /* IPv6 ç¨ TCP åä»å£ */
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154 |
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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 | /* IPv4 ç¨ TCP åä»å£ */
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171 |
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172 | typedef struct t_tcp4_rep {
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173 |
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174 | /*
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175 | * ITRON TCP/IP APIãTCP åä»å£ã¨åãã¡ã³ã
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176 | */
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177 | ATR repatr; /* åä»å£å±æ§ */
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178 | T_IPV4EP myaddr; /* èªåã®ã¢ãã¬ã¹ */
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179 |
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180 | #ifdef TCP_CFG_EXTENTIONS
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181 | uint16_t flags; /* åä»å£ãã©ã° */
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182 | ID semid_lock; /* åä»å£ãã㯠*/
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183 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
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184 |
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185 | } T_TCP4_REP;
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186 |
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187 | #if defined(_IP6_CFG)
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188 |
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189 | #define T_TCP_REP T_TCP6_REP
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190 |
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191 | #else /* of #if defined(_IP6_CFG) */
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192 |
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193 | #if defined(_IP4_CFG)
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194 |
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195 | #define T_TCP_REP T_TCP4_REP
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196 |
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197 | #endif /* of #if defined(_IP4_CFG) */
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198 |
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199 | #endif /* of #if defined(_IP6_CFG) */
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200 |
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201 | #define T_TCP_REP_DEFINED
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202 |
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203 | /*
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204 | * åä»å£ãã©ã°
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205 | */
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206 |
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207 | #define TCP_REP_FLG_DYNAMIC UINT_C(0x0400) /* åççæã»åé¤å¯è½åä»å£ã */
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208 | #define TCP_REP_FLG_VALID UINT_C(0x0800) /* çææ¸ã¿ã§æå¹ãªåä»å£ã */
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209 |
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210 | /*
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211 | * TCP é信端ç¹
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212 | */
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213 |
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214 | #ifndef T_NET_BUF_DEFINED
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215 |
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216 | typedef struct t_net_buf T_NET_BUF;
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217 |
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218 | #define T_NET_BUF_DEFINED
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219 |
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220 | #endif /* of #ifndef T_NET_BUF_DEFINED */
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221 |
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222 | typedef struct t_tcp_cep {
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223 |
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224 | /*
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225 | * ITRON TCP/IP APIãTCP é信端ç¹ã¨åãã¡ã³ã
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226 | */
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227 | ATR cepatr; /* é信端ç¹å±æ§ */
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228 | void *sbuf; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ */
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229 | int_t sbufsz; /* éä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
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230 | void *rbuf; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ */
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231 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
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232 | t_tcp_callback callback; /* ã³ã¼ã«ããã¯é¢æ° */
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233 |
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234 | /*
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235 | * TINET ç¬èªã®ã¡ã³ã
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236 | */
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237 | uint32_t flags; /* é信端ç¹ãã©ã° */
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238 | ID semid_lock; /* é信端ç¹ãã㯠*/
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239 | ID est_flgid; /* ã³ãã¯ã·ã§ã³ç¶æ
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240 | ã¤ãã³ããã©ã° */
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241 | ID snd_flgid; /* éä¿¡ã¤ãã³ããã©ã° */
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242 | ID rcv_flgid; /* åä¿¡ã¤ãã³ããã©ã° */
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243 | ID snd_tskid; /* éä¿¡ã¿ã¹ã¯èå¥å */
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244 | ID rcv_tskid; /* åä¿¡ã¿ã¹ã¯èå¥å */
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245 | uint8_t *sbuf_rptr; /* éä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
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246 | uint8_t *sbuf_wptr; /* éä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
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247 | uint8_t *rbuf_rptr; /* åä¿¡ç¨èªã¿åºããã¤ã³ã¿ */
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248 | uint8_t *rbuf_wptr; /* åä¿¡ç¨æ¸ãè¾¼ã¿ãã¤ã³ã¿ */
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249 | T_TCP_SEQ snd_ssthresh; /* 輻輳ã¦ã£ã³ããµã¤ãº(snd_cwnd) */
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250 | /* ã®ãããå¤ */
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251 | T_TCP_TIME rxtcur; /* ç¾å¨ã®åéã¿ã¤ã ã¢ã¦ã */
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252 | T_TCP_TIME srtt; /* å¹³æ»åããã RTT */
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253 | T_TCP_TIME rttvar; /* å¹³æ»åãããåæ£ */
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254 | T_TCP_WND snd_cwnd; /* 輻輳ã¦ã£ã³ããµã¤ãº */
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255 |
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256 | /*
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257 | * ç¸æã®æ大åä¿¡ã»ã°ã¡ã³ããµã¤ãº
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258 | *
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259 | * ãªãªã¸ãã«ã§ã¯ãä¸è¬ã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxseg) ã¨ã
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260 | * ãªãã·ã§ã³ä»ãã®ã»ã°ã¡ã³ãã®æ大ãµã¤ãº (t_maxopd) ãå¥ã«
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261 | * ãªã£ã¦ãããããã¯ãç¾å¨ã®ã¤ã³ã¿ã¼ãããã§ã¯ããªãã·ã§ã³ä»ãã®
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262 | * ã»ã°ã¡ã³ãã®ã»ããå¤ãããã¨èª¬æããã¦ããããã§ããã
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263 | * æ¬å®è£
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264 | ã§ã¯ãæ大ã»ã°ã¡ã³ããµã¤ãºãªãã·ã§ã³ä»¥å¤ã®ãªãã·ã§ã³ã¯
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265 | * å®è£
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266 | ããªãã®ã§ãt_maxseg ã®ä½¿ç¨ããã
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267 | */
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268 | T_TCP_SEG maxseg;
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269 |
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270 | int16_t snd_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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271 | int16_t rcv_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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272 |
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273 | #ifdef TCP_CFG_NON_BLOCKING
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274 |
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275 | T_IPEP *p_dstaddr; /* ç¸æã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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276 | T_IPEP *p_myaddr; /* èªåã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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277 |
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278 | #if defined(_IP6_CFG) && defined(_IP4_CFG)
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279 | T_IPV4EP *p_dstaddr4; /* ç¸æã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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280 | T_IPV4EP *p_myaddr4; /* èªåã®ã¢ãã¬ã¹ã¸ã®ãã¤ã³ã¿ */
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281 | #endif
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282 |
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283 | int16_t snd_nblk_tfn; /* éä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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284 | int16_t rcv_nblk_tfn; /* åä¿¡åä½ä¸ã® API æ©è½ã³ã¼ã */
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285 | void *snd_data; /* éä¿¡ãã¼ã¿é åã®å
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286 | é ã¢ãã¬ã¹ */
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287 | int_t snd_len; /* éä¿¡ãã¼ã¿é åã®é·ã */
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288 | void *rcv_data; /* åä¿¡ãã¼ã¿é åã®å
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289 | é ã¢ãã¬ã¹ */
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290 | int_t rcv_len; /* åä¿¡ãã¼ã¿é åã®é·ã */
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291 | void **snd_p_buf; /* éä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
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292 | void **rcv_p_buf; /* åä¿¡ãããã¡ã¸ã®ãã¤ã³ã¿ */
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293 |
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294 | #endif /* of #ifdef TCP_CFG_NON_BLOCKING */
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295 |
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296 | #ifdef TCP_CFG_SWBUF_CSAVE
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297 | T_NET_BUF *swbufq; /* éä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
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298 | #endif
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299 |
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300 | /*
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301 | * ãã以éã®ã¡ã³ãã¼ã¯ tcp_init_cep() é¢æ°ã§ã¼ãã¯ãªã¢ã¼ãããã
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302 | */
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303 |
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304 | T_TCP_TIME timer[NUM_TCP_TIMERS]; /* TCP ã®ã¿ã¤ã */
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305 | T_IPEP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
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306 | T_IPEP myaddr; /* èªåã®ã¢ãã¬ã¹ */
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307 | T_NET_BUF *reassq; /* åä¿¡åæ§æãã¥ã¼ */
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308 |
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309 | #if defined(_IP6_CFG)
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310 |
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311 | #if defined(_IP4_CFG)
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312 |
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313 | T_TCP4_REP *rep4; /* IPv4 ç¨åä»å£ */
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314 |
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315 | #endif /* of #if defined(_IP4_CFG) */
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316 |
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317 | T_TCP6_REP *rep; /* IPv6 ç¨åä»å£ */
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318 |
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319 | #else /* of #if defined(_IP6_CFG) */
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320 |
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321 | #if defined(_IP4_CFG)
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322 |
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323 | T_TCP4_REP *rep; /* IPv4 ç¨åä»å£ */
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324 |
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325 | #endif /* of #if defined(_IP4_CFG) */
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326 |
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327 | #endif /* of #if defined(_IP6_CFG) */
|
---|
328 |
|
---|
329 |
|
---|
330 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
331 | T_NET_BUF *rwbufq; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ */
|
---|
332 | #endif
|
---|
333 |
|
---|
334 | #ifdef TCP_CFG_EXTENTIONS
|
---|
335 | T_TCP_HDR *urg_tcph; /* ç·æ¥ãã¼ã¿å
|
---|
336 | ¥ãã®ã»ã°ã¡ã³ãã® TCP ããã */
|
---|
337 | T_TCP_SEQ snd_up; /* éä¿¡ããç·æ¥ãã¤ã³ã¿ */
|
---|
338 | T_TCP_SEQ rcv_up; /* åä¿¡ããç·æ¥ãã¤ã³ã¿ */
|
---|
339 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
340 |
|
---|
341 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
|
---|
342 | /* 確èªãããæ大éä¿¡ SEQ */
|
---|
343 | T_TCP_SEQ snd_max; /* éä¿¡ããæ大 SEQ */
|
---|
344 | T_TCP_SEQ snd_nxt; /* 次ã«éä¿¡ãã SEQ */
|
---|
345 | T_TCP_SEQ snd_old_nxt; /* å
|
---|
346 | ã® snd_nxt */
|
---|
347 | T_TCP_SEQ snd_wl1; /* ååã¦ã£ã³ããæ´æ°ãã SEQ */
|
---|
348 | T_TCP_SEQ snd_wl2; /* ååã¦ã£ã³ããæ´æ°ãã ACK */
|
---|
349 | T_TCP_SEQ iss; /* èªåã® SEQ ã®åæå¤ */
|
---|
350 | T_TCP_SEQ irs; /* ç¸æã® SEQ ã®åæå¤ */
|
---|
351 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
352 | ãã¦ããæå°ã® SEQ */
|
---|
353 | T_TCP_SEQ rcv_adv; /* åä¿¡ãæå¾
|
---|
354 | ãã¦ããæ大㮠SEQ */
|
---|
355 | T_TCP_SEQ rcv_wnd; /* åä¿¡å¯è½ãªã¦ã£ã³ããµã¤ãº */
|
---|
356 | T_TCP_SEQ rtseq; /* æéè¨æ¸¬ãå§ãã SEQ */
|
---|
357 | T_TCP_SEQ last_ack_sent; /* æå¾ã«éä¿¡ãã ACK */
|
---|
358 | T_TCP_TIME idle; /* ã¢ã¤ãã«æé */
|
---|
359 | ER error; /* éåæã«çºçããã¨ã©ã¼ */
|
---|
360 | ER net_error; /* ãããã¯ã¼ã¯ã®ã¨ã©ã¼ç¶æ
|
---|
361 | */
|
---|
362 | T_TCP_WND snd_wnd; /* ç¸æã®åä¿¡å¯è½ã¦ã£ã³ããµã¤ãº */
|
---|
363 | T_TCP_WND max_sndwnd; /* ä»ã¾ã§ã®æ大éä¿¡ã¦ã£ã³ããµã¤ãº */
|
---|
364 | T_TCP_TIME rtt; /* å¾å¾©æé */
|
---|
365 | uint16_t swbuf_count; /* éä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
366 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
367 | uint16_t rcv_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
368 | uint16_t get_buf_len; /* tcp_rcv_buf ã®å²å½ã¦é· */
|
---|
369 | uint8_t rxtshift; /* åéä¿¡åæ°ã® log(2) */
|
---|
370 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
371 | */
|
---|
372 | uint8_t dupacks; /* åé ACK æ° */
|
---|
373 |
|
---|
374 | #if defined(TCP_CFG_RWBUF_CSAVE) && defined(TCP_CFG_RWBUF_CSAVE_MAX_QUEUES)
|
---|
375 | uint16_t rwbufq_entries; /* åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã®ã¨ã³ããªæ° */
|
---|
376 | #endif
|
---|
377 |
|
---|
378 | } T_TCP_CEP;
|
---|
379 |
|
---|
380 | #define T_TCP6_CEP T_TCP_CEP
|
---|
381 | #define T_TCP4_CEP T_TCP_CEP
|
---|
382 |
|
---|
383 | /*
|
---|
384 | * Time Wait ç¨ TCP é信端ç¹
|
---|
385 | */
|
---|
386 |
|
---|
387 | typedef struct t_tcp_twcep {
|
---|
388 | int_t rbufsz; /* åä¿¡ç¨ã¦ã£ã³ããããã¡ãµã¤ãº */
|
---|
389 | T_TCP_TIME timer_2msl; /* 2MSL ã¿ã¤ã */
|
---|
390 | T_IPEP dstaddr; /* ç¸æã®ã¢ãã¬ã¹ */
|
---|
391 | T_IPEP myaddr; /* èªåã®ã¢ãã¬ã¹ */
|
---|
392 | T_TCP_SEQ snd_una; /* æªç¢ºèªã®æå°éä¿¡ SEQ ã¤ã¾ã */
|
---|
393 | /* 確èªãããæ大éä¿¡ SEQ */
|
---|
394 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
395 | ãã¦ããæå°ã® SEQ */
|
---|
396 | uint16_t rwbuf_count; /* åä¿¡ã¦ã£ã³ããããã¡ã®ä½¿ç¨ä¸ãµã¤ãº */
|
---|
397 | uint8_t fsm_state; /* FSM ç¶æ
|
---|
398 | */
|
---|
399 | uint8_t flags; /* é信端ç¹ãã©ã° */
|
---|
400 |
|
---|
401 | } T_TCP_TWCEP;
|
---|
402 |
|
---|
403 | #define T_TCP_CEP_DEFINED
|
---|
404 |
|
---|
405 | /*
|
---|
406 | * TCP é信端ç¹ã®ç¶æ
|
---|
407 | ãã©ã°
|
---|
408 | */
|
---|
409 |
|
---|
410 | #define TCP_CEP_FLG_IPV4 ULONG_C(0x00000001) /* IPv4 ç¨ã */
|
---|
411 | #define TCP_CEP_FLG_ACK_NOW ULONG_C(0x00000100) /* ç´ã¡ã«ç¸æã« ACK ãéãã */
|
---|
412 | #define TCP_CEP_FLG_DEL_ACK ULONG_C(0x00000200) /* ACK ãé
|
---|
413 | 延ããã */
|
---|
414 | #define TCP_CEP_FLG_SENT_FIN ULONG_C(0x00000400) /* FIN ãéã£ã¦ããã */
|
---|
415 | #define TCP_CEP_FLG_NEED_SYN ULONG_C(0x00000800) /* SYN ãéä¿¡ããã */
|
---|
416 | #define TCP_CEP_FLG_NEED_FIN ULONG_C(0x00001000) /* FIN ãéä¿¡ããã */
|
---|
417 | #define TCP_CEP_FLG_FORCE ULONG_C(0x00002000) /* å¼·å¶éä¿¡ã */
|
---|
418 | #define TCP_CEP_FLG_NO_PUSH ULONG_C(0x00004000) /* push ããªãã */
|
---|
419 | #define TCP_CEP_FLG_NO_DELAY ULONG_C(0x00008000) /* é
|
---|
420 | 延ããªãã */
|
---|
421 | #define TCP_CEP_FLG_FORCE_CLEAR ULONG_C(0x00010000) /* å¼·å¶éä¿¡ããå¾ãã©ã°ãã¯ãªã¢ã¼ããã*/
|
---|
422 | #define TCP_CEP_FLG_POST_OUTPUT ULONG_C(0x00020000) /* éä¿¡ãéå§ããã */
|
---|
423 | #define TCP_CEP_FLG_RESERVE_OUTPUT ULONG_C(0x00040000) /* éä¿¡ãäºç´ããã */
|
---|
424 | #define TCP_CEP_FLG_DYNAMIC ULONG_C(0x00100000) /* åççæã»åé¤å¯è½é信端ç¹ã */
|
---|
425 | #define TCP_CEP_FLG_VALID ULONG_C(0x00200000) /* çææ¸ã¿ã§æå¹ãªé信端ç¹ã */
|
---|
426 | #define TCP_CEP_FLG_CLOSE_AFTER_OUTPUT ULONG_C(0x00400000) /* éä¿¡ããå¾ã³ãã¯ã·ã§ã³ãéããã*/
|
---|
427 | #define TCP_CEP_FLG_RESTORE_NEXT_OUTPUT ULONG_C(0x00800000) /* éä¿¡ããå¾ãsnd_nxt ãå
|
---|
428 | ã«æ»ãã*/
|
---|
429 |
|
---|
430 | /* éåä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ */
|
---|
431 | #define TCP_CEP_FLG_WBCS_NBUF_REQ ULONG_C(0x80000000) /* ãããã¯ã¼ã¯ãããã¡å²å½ã¦è¦æ±*/
|
---|
432 | #define TCP_CEP_FLG_WBCS_MASK ULONG_C(0x70000000) /* ãã¹ã¯ */
|
---|
433 | #define TCP_CEP_FLG_WBCS_FREE ULONG_C(0x00000000) /* éä¿¡ã¦ã£ã³ããããã¡æªä½¿ç¨ */
|
---|
434 | #define TCP_CEP_FLG_WBCS_WOPEN_PEND ULONG_C(0x10000000) /* ç¸æã®åä¿¡ã¦ã£ã³ãã®éãå¾
|
---|
435 | ã¡ */
|
---|
436 | #define TCP_CEP_FLG_WBCS_NBUF_PEND ULONG_C(0x20000000) /* ãããã¯ã¼ã¯ãããã¡äºç´å¾
|
---|
437 | ã¡ */
|
---|
438 | #define TCP_CEP_FLG_WBCS_NBUF_RSVD ULONG_C(0x30000000) /* ãããã¯ã¼ã¯ãããã¡äºç´æ¸ã¿ */
|
---|
439 | #define TCP_CEP_FLG_WBCS_NBUF_READY ULONG_C(0x40000000) /* ãããã¯ã¼ã¯ãããã¡å²å½ã¦æ¸ã¿*/
|
---|
440 | #define TCP_CEP_FLG_WBCS_SEND_READY ULONG_C(0x50000000) /* éä¿¡å¯è½ */
|
---|
441 | #define TCP_CEP_FLG_WBCS_SENT ULONG_C(0x60000000) /* éä¿¡æ¸ã¿ã§ãACKå¾
|
---|
442 | ã¡ */
|
---|
443 | #define TCP_CEP_FLG_WBCS_ACKED ULONG_C(0x70000000) /* éä¿¡æ¸ã¿ã§ãACKå®äº */
|
---|
444 |
|
---|
445 | /* åæåããé¤å¤ãããã©ã°ã®å®ç¾© */
|
---|
446 | #define TCP_CEP_FLG_NOT_CLEAR (TCP_CEP_FLG_WBCS_NBUF_REQ|TCP_CEP_FLG_WBCS_MASK|\
|
---|
447 | TCP_CEP_FLG_DYNAMIC|TCP_CEP_FLG_VALID|TCP_CEP_FLG_IPV4)
|
---|
448 |
|
---|
449 | /*
|
---|
450 | * é信端ç¹ã¤ãã³ããã©ã°
|
---|
451 | */
|
---|
452 |
|
---|
453 | #define TCP_CEP_EVT_ESTABLISHED ULONG_C(0x00000001) /* ã³ãã¯ã·ã§ã³ç¢ºç« */
|
---|
454 | #define TCP_CEP_EVT_CLOSED ULONG_C(0x00000002) /* æªä½¿ç¨ç¶æ
|
---|
455 | */
|
---|
456 | #define TCP_CEP_EVT_SWBUF_READY ULONG_C(0x00000004) /* éä¿¡ã¦ã£ã³ããããã¡ç©ºã */
|
---|
457 | #define TCP_CEP_EVT_RWBUF_READY ULONG_C(0x00000008) /* éä¿¡ã¦ã£ã³ããããã¡ãã¼ã¿ãã*/
|
---|
458 | #define TCP_CEP_EVT_ALL ULONG_C(0xffffffff) /* å
|
---|
459 | ¨ã¤ãã³ã */
|
---|
460 |
|
---|
461 | /*
|
---|
462 | * 追å API æ©è½ã»äºè±¡ã³ã¼ã
|
---|
463 | */
|
---|
464 |
|
---|
465 | /* TCP é¢ä¿ */
|
---|
466 |
|
---|
467 | #define TFN_TCP_UNDEF (0)
|
---|
468 |
|
---|
469 | /*
|
---|
470 | * srtt: å¹³æ»åããã RTT
|
---|
471 | * rttvar: å¹³æ»åãããåæ£
|
---|
472 | * rtt: 測å®ãããå¾å¾©æé
|
---|
473 | *
|
---|
474 | * å¹³æ»åããã RTT (srtt) ã¨å¹³æ»åãããåæ£ (rttvar) ã
|
---|
475 | * æ´æ°åã§è¨ç®ããããã«ãå·¦ã·ãããã¦ã¹ã±ã¼ã«ããã
|
---|
476 | * srtt 㯠2 é²å°æ°ç¹ä»¥ä¸ 3 ãããã
|
---|
477 | * rttvar 㯠2 é²å°æ°ç¹ä»¥ä¸ 2 ããããä¿æããã
|
---|
478 | */
|
---|
479 |
|
---|
480 | #define TCP_DELTA_SHIFT 2
|
---|
481 | /* å·®å = rtt/8 + srtt*7/8 ã®è¨ç®ã®ããã®ã·ããå¤ */
|
---|
482 | #define TCP_SRTT_SHIFT (TCP_DELTA_SHIFT + 3)
|
---|
483 | /* srtt ã®ã·ããå¤ã3(+2)ããã */
|
---|
484 | #define TCP_RTTVAR_SHIFT (TCP_DELTA_SHIFT + 2)
|
---|
485 | /* rttvar ã®ã·ããå¤ã2(+2)ããã */
|
---|
486 | #define TCP_SRTT_SCALE (1<<TCP_SRTT_SHIFT)
|
---|
487 | #define TCP_RTTVAR_SCALE (1<<TCP_RTTVAR_SHIFT)
|
---|
488 |
|
---|
489 | /*
|
---|
490 | * é«éå転éãéå§ããåé ACK æ°ã®ãããå¤
|
---|
491 | */
|
---|
492 |
|
---|
493 | #define MAX_TCP_REXMT_THRESH 3
|
---|
494 |
|
---|
495 | /*
|
---|
496 | * åä¿¡åæ§æãã¥ã¼ã§ã® TCP ããã
|
---|
497 | */
|
---|
498 |
|
---|
499 | typedef struct t_tcp_q_hdr {
|
---|
500 | uint16_t sport; /* éä¿¡å
|
---|
501 | ãã¼ãçªå· */
|
---|
502 | uint16_t dport; /* å®å
|
---|
503 | ãã¼ãçªå· */
|
---|
504 |
|
---|
505 | uint32_t seq; /* SEQ çªå· */
|
---|
506 |
|
---|
507 | T_NET_BUF *next; /* 次ã®ã»ã°ã¡ã³ããå
|
---|
508 | 㯠ACK çªå·(ack) */
|
---|
509 |
|
---|
510 | uint8_t doff; /* ãã¼ã¿ãªãã»ãã(ä¸ä½4ããã) */
|
---|
511 | uint8_t flags; /* ãã©ã°(ä¸ä½6ããã) */
|
---|
512 | uint16_t soff; /* SDU ãªãã»ãããå
|
---|
513 | ã¯ã¦ã£ã³ããµã¤ãº(win) */
|
---|
514 |
|
---|
515 | uint16_t slen; /* SDU é·ãå
|
---|
516 | ã¯ãã§ãã¯ãµã (sum) */
|
---|
517 | uint16_t urp; /* ç·æ¥ãã¤ã³ã¿ï¼SDU é·è£æ£ï¼ */
|
---|
518 | } T_TCP_Q_HDR;
|
---|
519 |
|
---|
520 | #define GET_TCP_Q_HDR(nbuf,thoff) ((T_TCP_Q_HDR*)((uint8_t*)((nbuf)->buf) + thoff))
|
---|
521 |
|
---|
522 | /*
|
---|
523 | * ãªãã¸ã§ã¯ã ID ã®æå°å¤ã®å®ç¾©
|
---|
524 | */
|
---|
525 |
|
---|
526 | #define TMIN_TCP_REPID 1 /* TCP åä»å£ ID ã®æå°å¤ */
|
---|
527 | #define TMIN_TCP6_REPID 1 /* TCP/IPv6 åä»å£ ID ã®æå°å¤ */
|
---|
528 | #define TMIN_TCP4_REPID (TNUM_TCP6_REPID+1) /* TCP/IPv4 åä»å£ ID ã®æå°å¤ */
|
---|
529 |
|
---|
530 | #define TMIN_TCP_CEPID 1 /* TCP éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
531 | #define TMIN_TCP6_CEPID 1 /* TCP/IPv6 éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
532 | #define TMIN_TCP4_CEPID (TNUM_TCP6_CEPID+1) /* TCP/IPv4 éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
533 |
|
---|
534 | #define TMIN_TCP_TWCEPID 1 /* Time Wait ç¨ TCP éä¿¡ç«¯ç¹ ID ã®æå°å¤ */
|
---|
535 |
|
---|
536 | /*
|
---|
537 | * å¶å¾¡ã»ã°ã¡ã³ãï¼ãã¼ã¿ãªãï¼ãµã¤ãºã®ãããã¯ã¼ã¯ãããã¡
|
---|
538 | */
|
---|
539 |
|
---|
540 | #if defined(IF_HDR_SIZE) && defined(IP_HDR_SIZE)
|
---|
541 |
|
---|
542 | typedef struct t_net_buf_cseg {
|
---|
543 | uint16_t len; /* ãã¼ã¿ã®é·ã */
|
---|
544 | uint8_t idix; /* mpfid ã®ã¤ã³ããã¯ã¹ */
|
---|
545 | uint8_t flags; /* ãã©ã° */
|
---|
546 | #ifdef IF_ETHER_NIC_NET_BUF_ALIGN
|
---|
547 | uint8_t nalign[IF_ETHER_NIC_NET_BUF_ALIGN];
|
---|
548 | #endif
|
---|
549 | #if CPU_NET_ALIGN == 4 && IF_HDR_ALIGN != 4
|
---|
550 | uint8_t halign[4 - IF_HDR_ALIGN];
|
---|
551 | #endif
|
---|
552 | uint8_t buf[IF_HDR_SIZE + IP_HDR_SIZE + TCP_HDR_SIZE];
|
---|
553 | /* ãããã¡æ¬ä½ */
|
---|
554 | } T_NET_BUF_CSEG;
|
---|
555 |
|
---|
556 | #endif /* of #if defined(IF_HDR_SIZE) && defined(IP_HDR_SIZE) */
|
---|
557 |
|
---|
558 | /*
|
---|
559 | * SNMP 㮠管çæ
|
---|
560 | å ±ãã¼ã¹ (MIB)
|
---|
561 | */
|
---|
562 |
|
---|
563 | typedef struct t_tcp_stats {
|
---|
564 | uint32_t tcpActiveOpens;
|
---|
565 | uint32_t tcpPassiveOpens;
|
---|
566 | uint32_t tcpAttemptFails;
|
---|
567 | uint32_t tcpEstabResets;
|
---|
568 | /* uint32_t tcpCurrEstab;*/
|
---|
569 | uint32_t tcpInSegs;
|
---|
570 | uint32_t tcpOutSegs;
|
---|
571 | uint32_t tcpRetransSegs;
|
---|
572 | uint32_t tcpInErrs;
|
---|
573 | uint32_t tcpOutRsts;
|
---|
574 | } T_TCP_STATS;
|
---|
575 |
|
---|
576 | /*
|
---|
577 | * é¢æ°ã·ãã¥ã¬ã¼ã·ã§ã³ãã¯ã
|
---|
578 | */
|
---|
579 |
|
---|
580 | /* TCP åä»å£ */
|
---|
581 |
|
---|
582 | #define VALID_TCP6_REPID(id) (TMIN_TCP6_REPID<=(id)&&(id)<=tmax_tcp6_repid)
|
---|
583 | #define VALID_TCP4_REPID(id) (TMIN_TCP4_REPID<=(id)&&(id)<=tmax_tcp4_repid)
|
---|
584 |
|
---|
585 | #define INDEX_TCP6_REP(id) ((id)-TMIN_TCP6_REPID)
|
---|
586 | #define INDEX_TCP4_REP(id) ((id)-TMIN_TCP4_REPID)
|
---|
587 |
|
---|
588 | #define GET_TCP6_REP(id) (&(tcp6_rep[INDEX_TCP6_REP(id)]))
|
---|
589 | #define GET_TCP4_REP(id) (&(tcp4_rep[INDEX_TCP4_REP(id)]))
|
---|
590 |
|
---|
591 | #define GET_TCP6_REPID(rep) ((ID)(((rep)-tcp6_rep)+TMIN_TCP6_REPID))
|
---|
592 | #define GET_TCP4_REPID(rep) ((ID)(((rep)-tcp4_rep)+TMIN_TCP4_REPID))
|
---|
593 |
|
---|
594 | #ifdef TCP_CFG_EXTENTIONS
|
---|
595 |
|
---|
596 | #define VALID_TCP_REP(rep) (((rep)->flags&TCP_REP_FLG_VALID)!=0)
|
---|
597 | #define DYNAMIC_TCP_REP(rep) (((rep)->flags&TCP_REP_FLG_DYNAMIC)!=0)
|
---|
598 |
|
---|
599 | #else /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
600 |
|
---|
601 | #define VALID_TCP_REP(rep) (true)
|
---|
602 | #define DYNAMIC_TCP_REP(rep) (false)
|
---|
603 |
|
---|
604 | #endif /* of #ifdef TCP_CFG_EXTENTIONS */
|
---|
605 |
|
---|
606 | /* TCP éä¿¡ç«¯ç¹ */
|
---|
607 |
|
---|
608 | #define VALID_TCP_CEPID(id) (TMIN_TCP_CEPID<=(id)&&(id)<=tmax_tcp_cepid)
|
---|
609 | #define INDEX_TCP_CEP(id) ((id)-TMIN_TCP_CEPID)
|
---|
610 |
|
---|
611 | #define GET_TCP_CEP(id) (&(tcp_cep[INDEX_TCP_CEP(id)]))
|
---|
612 |
|
---|
613 | #define GET_TCP_CEPID(cep) ((ID)(((cep)-tcp_cep)+TMIN_TCP_CEPID))
|
---|
614 | #define GET_TCP_TWCEPID(cep) ((ID)(((cep)-tcp_twcep)+TMIN_TCP_TWCEPID))
|
---|
615 |
|
---|
616 | #define VALID_TCP_CEP(cep) (((cep)->flags&TCP_CEP_FLG_VALID)!=0)
|
---|
617 | #define DYNAMIC_TCP_CEP(cep) (((cep)->flags&TCP_CEP_FLG_DYNAMIC)!=0)
|
---|
618 | #define TCP_IS_CEP_IPV6(cep) (((cep)->flags&TCP_CEP_FLG_IPV4)==0)
|
---|
619 | #define TCP_IS_CEP_IPV4(cep) (((cep)->flags&TCP_CEP_FLG_IPV4)!=0)
|
---|
620 |
|
---|
621 | #define IS_TFN_TCP_RCV(t) ((t)==TFN_TCP_ACP_CEP||(t)==TFN_TCP_RCV_DAT||\
|
---|
622 | (t)==TFN_TCP_CLS_CEP||\
|
---|
623 | (t)==TFN_TCP_RCV_BUF||(t)==TFN_TCP_REL_BUF||\
|
---|
624 | (t)==TFN_TCP_RCV_OOB)
|
---|
625 |
|
---|
626 | #define VALID_TFN_TCP_CAN(t) ((t)==TFN_TCP_ACP_CEP||(t)==TFN_TCP_CON_CEP||\
|
---|
627 | (t)==TFN_TCP_CLS_CEP||\
|
---|
628 | (t)==TFN_TCP_SND_DAT||(t)==TFN_TCP_RCV_DAT||\
|
---|
629 | (t)==TFN_TCP_GET_BUF||(t)==TFN_TCP_RCV_BUF||\
|
---|
630 | (t)==TFN_TCP_SND_OOB||\
|
---|
631 | (t)==TFN_TCP_ALL)
|
---|
632 |
|
---|
633 | #define VALID_URG_POINTER(urg) (TCP_CFG_URG_OFFSET==0||urg!=0)
|
---|
634 |
|
---|
635 | /*
|
---|
636 | * å
|
---|
637 | ¨åå¤æ°
|
---|
638 | */
|
---|
639 |
|
---|
640 | extern uint8_t tcp_initialized;
|
---|
641 |
|
---|
642 | extern T_TCP_STATS tcp_stats;
|
---|
643 |
|
---|
644 | /* TCP åä»å£ */
|
---|
645 |
|
---|
646 | extern T_TCP6_REP tcp6_rep[];
|
---|
647 | extern T_TCP4_REP tcp4_rep[];
|
---|
648 |
|
---|
649 | #if defined(SUPPORT_INET6)
|
---|
650 | #define tcp_rep tcp6_rep
|
---|
651 | #elif defined(SUPPORT_INET4)
|
---|
652 | #define tcp_rep tcp4_rep
|
---|
653 | #endif
|
---|
654 |
|
---|
655 | extern const ID tmax_tcp_repid;
|
---|
656 |
|
---|
657 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
|
---|
658 | extern const ID tmax_tcp6_repid;
|
---|
659 | extern const ID tmax_tcp4_repid;
|
---|
660 | #else
|
---|
661 | #define tmax_tcp6_repid tmax_tcp_repid
|
---|
662 | #define tmax_tcp4_repid tmax_tcp_repid
|
---|
663 | #endif
|
---|
664 |
|
---|
665 | /* TCP éä¿¡ç«¯ç¹ */
|
---|
666 |
|
---|
667 | extern T_TCP_CEP tcp_cep[];
|
---|
668 | extern T_TCP_TWCEP tcp_twcep[];
|
---|
669 |
|
---|
670 | extern const ID tmax_tcp_cepid;
|
---|
671 |
|
---|
672 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
|
---|
673 | extern const ID tmax_tcp6_cepid;
|
---|
674 | extern const ID tmax_tcp4_cepid;
|
---|
675 | #else
|
---|
676 | #define tmax_tcp6_cepid tmax_tcp_cepid
|
---|
677 | #define tmax_tcp4_cepid tmax_tcp_cepid
|
---|
678 | #endif
|
---|
679 |
|
---|
680 | /*
|
---|
681 | * Inline é¢æ°
|
---|
682 | */
|
---|
683 |
|
---|
684 | #ifndef TCP_CFG_RWBUF_CSAVE
|
---|
685 |
|
---|
686 | /*
|
---|
687 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã
|
---|
688 | * ç¡å¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
689 | */
|
---|
690 |
|
---|
691 | /*
|
---|
692 | * tcp_free_rwbufq -- åä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã解æ¾ããã
|
---|
693 | */
|
---|
694 |
|
---|
695 | Inline void
|
---|
696 | tcp_free_rwbufq_ncs (T_TCP_CEP *cep)
|
---|
697 | {
|
---|
698 | }
|
---|
699 |
|
---|
700 | #endif /* of #ifndef TCP_CFG_RWBUF_CSAVE */
|
---|
701 |
|
---|
702 | #ifdef TCP_CFG_SWBUF_CSAVE_ONLY
|
---|
703 |
|
---|
704 | /*
|
---|
705 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®ã¿ã
|
---|
706 | * æå¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
707 | */
|
---|
708 |
|
---|
709 | /*
|
---|
710 | * tcp_read_swbuf_cs -- éä¿¡ã¦ã£ã³ããããã¡ãããã¼ã¿ãèªã¿åºãã
|
---|
711 | */
|
---|
712 |
|
---|
713 | Inline void
|
---|
714 | tcp_read_swbuf_cs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff)
|
---|
715 | {
|
---|
716 | }
|
---|
717 |
|
---|
718 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
719 |
|
---|
720 | #ifndef TCP_CFG_SWBUF_CSAVE
|
---|
721 |
|
---|
722 | /*
|
---|
723 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã
|
---|
724 | * ç¡å¹ã®å ´åã¯ä½ãããªãããã®ããã¼ã®é¢æ°
|
---|
725 | */
|
---|
726 |
|
---|
727 | /*
|
---|
728 | * tcp_free_swbufq -- éä¿¡ã¦ã£ã³ããããã¡ãã¥ã¼ã解æ¾ããã
|
---|
729 | */
|
---|
730 |
|
---|
731 | Inline void
|
---|
732 | tcp_free_swbufq_ncs (T_TCP_CEP *cep)
|
---|
733 | {
|
---|
734 | }
|
---|
735 |
|
---|
736 | /*
|
---|
737 | * tcp_alloc_swbuf -- éä¿¡ã¦ã£ã³ããããã¡ç¨ã®ãããã¯ã¼ã¯ãããã¡ã®å²ãå½ã¦ãæ示ããã
|
---|
738 | */
|
---|
739 |
|
---|
740 | Inline void
|
---|
741 | tcp_alloc_swbuf_ncs (T_TCP_CEP *cep)
|
---|
742 | {
|
---|
743 | }
|
---|
744 |
|
---|
745 | /*
|
---|
746 | * tcp_push_res_nbuf -- ãããã¯ã¼ã¯ãããã¡ãäºç´ããã
|
---|
747 | */
|
---|
748 |
|
---|
749 | Inline T_NET_BUF *
|
---|
750 | tcp_push_res_nbuf_ncs (T_NET_BUF *nbuf)
|
---|
751 | {
|
---|
752 | return nbuf;
|
---|
753 | }
|
---|
754 |
|
---|
755 | /*
|
---|
756 | * tcp_pull_res_nbuf -- äºç´ãã¦ãããããã¯ã¼ã¯ãããã¡è¿ãã
|
---|
757 | */
|
---|
758 |
|
---|
759 | Inline T_NET_BUF *
|
---|
760 | tcp_pull_res_nbuf_ncs (ATR nbatr)
|
---|
761 | {
|
---|
762 | return NULL;
|
---|
763 | }
|
---|
764 |
|
---|
765 | #endif /* of #ifndef TCP_CFG_SWBUF_CSAVE */
|
---|
766 |
|
---|
767 | /*
|
---|
768 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®åãæ¿ããã¯ã
|
---|
769 | */
|
---|
770 |
|
---|
771 | #ifdef TCP_CFG_RWBUF_CSAVE
|
---|
772 |
|
---|
773 | #ifdef TCP_CFG_RWBUF_CSAVE_ONLY
|
---|
774 |
|
---|
775 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq_cs(cep)
|
---|
776 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf_cs(cep,len)
|
---|
777 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf_cs(cep,data,len)
|
---|
778 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr_cs(cep,buf)
|
---|
779 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf_cs(cep,input,thoff)
|
---|
780 |
|
---|
781 | #else /* of #ifdef TCP_CFG_RWBUF_CSAVE_ONLY */
|
---|
782 |
|
---|
783 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq(cep)
|
---|
784 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf(cep,len)
|
---|
785 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf(cep,data,len)
|
---|
786 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr(cep,buf)
|
---|
787 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf(cep,input,thoff)
|
---|
788 |
|
---|
789 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE_ONLY */
|
---|
790 |
|
---|
791 | #else /* of #ifdef TCP_CFG_RWBUF_CSAVE */
|
---|
792 |
|
---|
793 | #define TCP_FREE_RWBUFQ(cep) tcp_free_rwbufq_ncs(cep)
|
---|
794 | #define TCP_DROP_RWBUF(cep,len) tcp_drop_rwbuf_ncs(cep,len)
|
---|
795 | #define TCP_READ_RWBUF(cep,data,len) tcp_read_rwbuf_ncs(cep,data,len)
|
---|
796 | #define TCP_GET_RWBUF_ADDR(cep,buf) tcp_get_rwbuf_addr_ncs(cep,buf)
|
---|
797 | #define TCP_WRITE_RWBUF(cep,input,thoff) tcp_write_rwbuf_ncs(cep,input,thoff)
|
---|
798 |
|
---|
799 | #endif /* of #ifdef TCP_CFG_RWBUF_CSAVE */
|
---|
800 |
|
---|
801 | /*
|
---|
802 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ã®åãæ¿ããã¯ã
|
---|
803 | */
|
---|
804 |
|
---|
805 | #ifdef TCP_CFG_SWBUF_CSAVE
|
---|
806 |
|
---|
807 | #define TCP_PUSH_RES_NBUF(nbuf) tcp_push_res_nbuf(nbuf)
|
---|
808 | #define TCP_PULL_RES_NBUF(atr) tcp_pull_res_nbuf(atr)
|
---|
809 |
|
---|
810 | #ifdef TCP_CFG_SWBUF_CSAVE_ONLY
|
---|
811 |
|
---|
812 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq_cs(cep)
|
---|
813 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf_cs(cep)
|
---|
814 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf_cs(cep,len)
|
---|
815 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf_cs(cep,data,len)
|
---|
816 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf_cs(cep,output,len,doff)
|
---|
817 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf_cs(cep,tmout)
|
---|
818 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr_cs(cep,buf)
|
---|
819 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf_cs(cep,len)
|
---|
820 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full_cs(cep)
|
---|
821 |
|
---|
822 | #else /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
823 |
|
---|
824 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq(cep)
|
---|
825 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf(cep)
|
---|
826 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf(cep,len)
|
---|
827 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf(cep,data,len)
|
---|
828 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf(cep,output,len,doff)
|
---|
829 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf(cep,tmout)
|
---|
830 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr(cep,buf)
|
---|
831 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf(cep,len)
|
---|
832 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full(cep)
|
---|
833 |
|
---|
834 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE_ONLY */
|
---|
835 |
|
---|
836 | #else /* of #ifdef TCP_CFG_SWBUF_CSAVE */
|
---|
837 |
|
---|
838 | #define TCP_READ_SWBUF(cep,output,len,doff) tcp_read_swbuf_ncs(cep,output,len,doff)
|
---|
839 | #define TCP_FREE_SWBUFQ(cep) tcp_free_swbufq_ncs(cep)
|
---|
840 | #define TCP_ALLOC_SWBUF(cep) tcp_alloc_swbuf_ncs(cep)
|
---|
841 | #define TCP_PUSH_RES_NBUF(nbuf) tcp_push_res_nbuf_ncs(nbuf)
|
---|
842 | #define TCP_PULL_RES_NBUF(atr) tcp_pull_res_nbuf_ncs(atr)
|
---|
843 | #define TCP_DROP_SWBUF(cep,len) tcp_drop_swbuf_ncs(cep,len)
|
---|
844 | #define TCP_WRITE_SWBUF(cep,data,len) tcp_write_swbuf_ncs(cep,data,len)
|
---|
845 | #define TCP_WAIT_SWBUF(cep,tmout) tcp_wait_swbuf_ncs(cep,tmout)
|
---|
846 | #define TCP_GET_SWBUF_ADDR(cep,buf) tcp_get_swbuf_addr_ncs(cep,buf)
|
---|
847 | #define TCP_SEND_SWBUF(cep,len) tcp_send_swbuf_ncs(cep,len)
|
---|
848 | #define TCP_IS_SWBUF_FULL(cep) tcp_is_swbuf_full_ncs(cep)
|
---|
849 |
|
---|
850 | #endif /* of #ifdef TCP_CFG_SWBUF_CSAVE */
|
---|
851 |
|
---|
852 | /*
|
---|
853 | * é¢æ°
|
---|
854 | */
|
---|
855 |
|
---|
856 | extern uint_t tcp_input (T_NET_BUF **inputp, uint_t *offp, uint_t *nextp);
|
---|
857 | extern void tcp_init (void);
|
---|
858 | extern void tcp_init_iss (void);
|
---|
859 | extern T_TCP_CEP *tcp_close (T_TCP_CEP *cep);
|
---|
860 | extern T_TCP_CEP *tcp_drop (T_TCP_CEP *cep, ER errno);
|
---|
861 | extern void tcp_respond (T_NET_BUF *nbuf, T_TCP_CEP *cep,
|
---|
862 | T_TCP_SEQ ack, T_TCP_SEQ seq, uint_t rbfree, uint8_t flags);
|
---|
863 | extern ER tcp_get_segment (T_NET_BUF **nbuf, T_TCP_CEP *cep,
|
---|
864 | uint_t optlen, uint_t len, uint_t maxlen, ATR nbatr, TMO tmout);
|
---|
865 | extern ER tcpn_get_segment (T_NET_BUF **nbuf, T_TCP_CEP *cep,
|
---|
866 | uint_t optlen, uint_t len, uint_t maxlen, ATR nbatr, TMO tmout);
|
---|
867 | extern void tcp_init_cep (T_TCP_CEP *cep);
|
---|
868 | extern void tcp_notify (T_NET_BUF *input, int code);
|
---|
869 | extern T_TCP_TIME tcp_rexmt_val (T_TCP_CEP *cep);
|
---|
870 | extern void tcp_set_persist_timer (T_TCP_CEP *cep);
|
---|
871 | extern void tcp_cancel_timers (T_TCP_CEP *cep);
|
---|
872 | extern void tcp_alloc_auto_port (T_TCP_CEP *cep);
|
---|
873 | extern ER tcp_alloc_port (T_TCP_CEP *cep, uint16_t portno);
|
---|
874 | extern ER tcp_lock_cep (ID cepid, T_TCP_CEP **p_cep, FN tfn);
|
---|
875 | extern void tcp_free_reassq (T_TCP_CEP *cep);
|
---|
876 | extern ER tcp_can_send_more (T_TCP_CEP *cep, FN fncd, TMO tmout);
|
---|
877 | extern ER tcp_can_recv_more (ER *error, T_TCP_CEP *cep, FN fncd, TMO tmout);
|
---|
878 | extern uint8_t tcp_move_ra2rw (T_TCP_CEP *cep, uint8_t flags);
|
---|
879 | extern uint8_t tcp_write_raque (T_NET_BUF *input, T_TCP_CEP *cep, uint_t thoff, uint8_t flags);
|
---|
880 | extern ER tcp_wait_rwbuf (T_TCP_CEP *cep, TMO tmout);
|
---|
881 | extern T_TCP_CEP *tcp_user_closed (T_TCP_CEP *cep);
|
---|
882 | extern T_TCP_CEP *tcp_find_cep (T_NET_BUF *input, uint_t off);
|
---|
883 | extern T_TCP_TWCEP*tcp_find_twcep (T_NET_BUF *input, uint_t off);
|
---|
884 | extern bool_t tcp_is_addr_accept (T_NET_BUF *input, uint_t off);
|
---|
885 | extern void tcp_move_twcep (T_TCP_CEP *cep);
|
---|
886 |
|
---|
887 | /*
|
---|
888 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ç¨é¢æ°
|
---|
889 | */
|
---|
890 |
|
---|
891 | /*
|
---|
892 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ãæå¹ã®å ´åã
|
---|
893 | * é¢æ°ã®é¸æã«ä½¿ç¨ããã
|
---|
894 | */
|
---|
895 |
|
---|
896 | extern void tcp_free_rwbufq (T_TCP_CEP *cep);
|
---|
897 | extern void tcp_drop_rwbuf (T_TCP_CEP *cep, uint_t len);
|
---|
898 | extern void tcp_write_rwbuf (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
899 | extern uint_t tcp_read_rwbuf (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
900 | extern uint_t tcp_get_rwbuf_addr (T_TCP_CEP *cep, void **p_buf);
|
---|
901 |
|
---|
902 | /*
|
---|
903 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ç¨é¢æ°
|
---|
904 | */
|
---|
905 |
|
---|
906 | extern void tcp_free_rwbufq_cs (T_TCP_CEP *cep);
|
---|
907 | extern void tcp_drop_rwbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
908 | extern void tcp_write_rwbuf_cs (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
909 | extern uint_t tcp_read_rwbuf_cs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
910 | extern uint_t tcp_get_rwbuf_addr_cs (T_TCP_CEP *cep, void **p_buf);
|
---|
911 |
|
---|
912 | /*
|
---|
913 | * TCP é信端ç¹ã®åä¿¡ã¦ã£ã³ããããã¡ã®ãéãçã³ãã¼æ©è½ç¨é¢æ°
|
---|
914 | */
|
---|
915 |
|
---|
916 | extern void tcp_free_rwbufq_ncs (T_TCP_CEP *cep);
|
---|
917 | extern void tcp_drop_rwbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
918 | extern void tcp_write_rwbuf_ncs (T_TCP_CEP *cep, T_NET_BUF *input, uint_t tcpoff);
|
---|
919 | extern uint_t tcp_read_rwbuf_ncs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
920 | extern uint_t tcp_get_rwbuf_addr_ncs (T_TCP_CEP *cep, void **p_buf);
|
---|
921 |
|
---|
922 | /*
|
---|
923 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ç¨é¢æ°
|
---|
924 | */
|
---|
925 |
|
---|
926 | /*
|
---|
927 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ãæå¹ã®å ´åã
|
---|
928 | * é¢æ°ã®é¸æã«ä½¿ç¨ããã
|
---|
929 | */
|
---|
930 |
|
---|
931 | extern void tcp_free_swbufq (T_TCP_CEP *cep);
|
---|
932 | extern void tcp_drop_swbuf (T_TCP_CEP *cep, uint_t len);
|
---|
933 | extern ER_UINT tcp_write_swbuf (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
934 | extern void tcp_read_swbuf (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
935 | extern void tcp_send_swbuf (T_TCP_CEP *cep, uint_t len);
|
---|
936 | extern ER_UINT tcp_get_swbuf_addr (T_TCP_CEP *cep, void **p_buf);
|
---|
937 | extern ER tcp_wait_swbuf (T_TCP_CEP *cep, TMO tmout);
|
---|
938 | extern T_NET_BUF *tcp_push_res_nbuf (T_NET_BUF *buf);
|
---|
939 | extern T_NET_BUF *tcp_pull_res_nbuf (ATR nbatr);
|
---|
940 | extern void tcp_alloc_swbuf (T_TCP_CEP *cep);
|
---|
941 | extern bool_t tcp_is_swbuf_full (T_TCP_CEP *cep);
|
---|
942 | extern void tcp_init_swbuf (T_TCP_CEP *cep);
|
---|
943 |
|
---|
944 | /*
|
---|
945 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®çã³ãã¼æ©è½ç¨é¢æ°
|
---|
946 | */
|
---|
947 |
|
---|
948 | extern void tcp_free_swbufq_cs (T_TCP_CEP *cep);
|
---|
949 | extern void tcp_drop_swbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
950 | extern ER_UINT tcp_write_swbuf_cs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
951 | extern void tcp_read_swbuf_cs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
952 | extern void tcp_send_swbuf_cs (T_TCP_CEP *cep, uint_t len);
|
---|
953 | extern ER_UINT tcp_get_swbuf_addr_cs (T_TCP_CEP *cep, void **p_buf);
|
---|
954 | extern ER tcp_wait_swbuf_cs (T_TCP_CEP *cep, TMO tmout);
|
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955 | extern void tcp_alloc_swbuf_cs (T_TCP_CEP *cep);
|
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956 | extern bool_t tcp_is_swbuf_full_cs (T_TCP_CEP *cep);
|
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957 |
|
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958 | /*
|
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959 | * TCP é信端ç¹ã®éä¿¡ã¦ã£ã³ããããã¡ã®ãéãçã³ãã¼æ©è½ç¨é¢æ°
|
---|
960 | */
|
---|
961 |
|
---|
962 | extern void tcp_free_swbufq_ncs (T_TCP_CEP *cep);
|
---|
963 | extern void tcp_drop_swbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
964 | extern ER_UINT tcp_write_swbuf_ncs (T_TCP_CEP *cep, void *data, uint_t len);
|
---|
965 | extern void tcp_read_swbuf_ncs (T_TCP_CEP *cep, T_NET_BUF *output, uint_t len, uint_t doff);
|
---|
966 | extern void tcp_send_swbuf_ncs (T_TCP_CEP *cep, uint_t len);
|
---|
967 | extern ER_UINT tcp_get_swbuf_addr_ncs (T_TCP_CEP *cep, void **p_buf);
|
---|
968 | extern ER tcp_wait_swbuf_ncs (T_TCP_CEP *cep, TMO tmout);
|
---|
969 | extern T_NET_BUF *tcp_push_res_nbuf_ncs (T_NET_BUF *buf);
|
---|
970 | extern T_NET_BUF *tcp_pull_res_nbuf_ncs (ATR nbatr);
|
---|
971 | extern void tcp_alloc_swbuf_ncs (T_TCP_CEP *cep);
|
---|
972 | extern bool_t tcp_is_swbuf_full_ncs (T_TCP_CEP *cep);
|
---|
973 |
|
---|
974 | /*
|
---|
975 | * TCP ãããã®ãã¬ã¼ã¹åºåæ©è½ç¨é¢æ°
|
---|
976 | */
|
---|
977 | extern void tcp_output_trace (T_NET_BUF *output, T_TCP_CEP *cep);
|
---|
978 | extern void tcp_input_trace (T_NET_BUF *input, T_TCP_CEP *cep);
|
---|
979 |
|
---|
980 | /* TCP åºåã¿ã¹ã¯ */
|
---|
981 |
|
---|
982 | extern void tcp_output_task(intptr_t exinf);
|
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983 |
|
---|
984 | #endif /* of #ifndef _TCP_VAR_H_ */
|
---|