[270] | 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¤ */
|
---|
| 299 | T_TCP_SEQ rcv_nxt; /* åä¿¡ãæå¾
|
---|
| 300 | ãã¦ããæå°ã® SEQ */
|
---|
| 301 | T_TCP_SEQ rcv_adv; /* åä¿¡ãæå¾
|
---|
| 302 | ãã¦ããæ大㮠SEQ */
|
---|
| 303 | T_TCP_SEQ rcv_wnd; /* åä¿¡å¯è½ãªã¦ã£ã³ããµã¤ãº */
|
---|
| 304 | T_TCP_SEQ rtseq; /* æéè¨æ¸¬ãå§ãã SEQ */
|
---|
| 305 | T_TCP_SEQ last_ack_sent; /* æå¾ã«éä¿¡ãã ACK */
|
---|
| 306 | T_TCP_TIME idle; /* ã¢ã¤ãã«æé */
|
---|
| 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_ */
|
---|