| 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: ppp_fsm.h 388 2019-05-22 11:25:18Z coas-nagasima $
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| 44 | */
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| 45 |
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| 46 | /*
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| 47 | * fsm.h - {Link, IP} Control Protocol Finite State Machine definitions.
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| 48 | *
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| 49 | * Copyright (c) 1989 Carnegie Mellon University.
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| 50 | * All rights reserved.
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| 51 | *
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| 52 | * Redistribution and use in source and binary forms are permitted
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| 53 | * provided that the above copyright notice and this paragraph are
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| 54 | * duplicated in all such forms and that any documentation,
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| 55 | * advertising materials, and other materials related to such
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| 56 | * distribution and use acknowledge that the software was developed
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| 57 | * by Carnegie Mellon University. The name of the
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| 58 | * University may not be used to endorse or promote products derived
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| 59 | * from this software without specific prior written permission.
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| 60 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 61 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 62 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 63 | *
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| 64 | * $FreeBSD: src/usr.sbin/pppd/fsm.h,v 1.6.2.1 1999/08/29 15:47:00 peter Exp $
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| 65 | */
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| 66 |
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| 67 | /*
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| 68 | * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
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| 69 | *
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| 70 | * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
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| 71 | *
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| 72 | * Redistribution and use in source and binary forms are permitted
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| 73 | * provided that the above copyright notice and this paragraph are
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| 74 | * duplicated in all such forms and that any documentation,
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| 75 | * advertising materials, and other materials related to such
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| 76 | * distribution and use acknowledge that the software was developed
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| 77 | * by the Internet Initiative Japan. The name of the
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| 78 | * IIJ may not be used to endorse or promote products derived
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| 79 | * from this software without specific prior written permission.
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| 80 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 81 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 82 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 83 | *
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| 84 | * $FreeBSD: src/usr.sbin/ppp/fsm.h,v 1.23 1999/12/27 11:54:53 brian Exp $
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| 85 | *
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| 86 | * TODO:
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| 87 | */
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| 88 |
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| 89 | #ifndef _PPP_FSM_H_
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| 90 | #define _PPP_FSM_H_
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| 91 |
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| 92 | #ifdef SUPPORT_PPP
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| 93 |
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| 94 | /*
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| 95 | * ç¶æ
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| 96 | 管çæ§é ä½
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| 97 | */
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| 98 |
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| 99 | struct t_ppp_fsm_callbacks;
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| 100 |
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| 101 | typedef struct t_fsm {
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| 102 | struct t_ppp_fsm_callbacks *callbacks; /* ã³ã¼ã«ããã¯é¢æ°*/
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| 103 | uint16_t proto; /* ãããã³ã« */
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| 104 | uint8_t state; /* FSM ã®ç¶æ
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| 105 | */
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| 106 | uint8_t id; /* ç¾å¨ã® ID */
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| 107 | uint8_t reqid; /* è¦æ± ID */
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| 108 | uint8_t seen_ack; /* è¦æ±ã«å¯¾ãæ£å¸¸ãª ACK/NAK/REJ ãåä¿¡ */
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| 109 | int8_t failures; /* é»èªãã NAK æ° */
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| 110 | int8_t retrans; /* Configure-Request ã¾ãã¯ã */
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| 111 | /* Terminate-Request ã®åéåæ° */
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| 112 | } T_PPP_FSM;
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| 113 |
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| 114 | #define T_PPP_FSM_DEFINED
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| 115 |
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| 116 | /*
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| 117 | * ã³ã¼ã«ããã¯é¢æ°æ§é ä½
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| 118 | */
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| 119 |
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| 120 | typedef struct t_ppp_fsm_callbacks {
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| 121 | void (*resetci) (T_PPP_FSM *); /* èªæ§ææ
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| 122 | å ±ããªã»ããããã */
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| 123 | int_t (*cilen) (T_PPP_FSM *); /* æ§ææ
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| 124 | å ±ã®é·ããè¿ãã */
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| 125 | void (*addci) (T_PPP_FSM *, T_NET_BUF *);
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| 126 | /* èªæ§ææ
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| 127 | å ±ã追å ããã */
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| 128 | bool_t (*ackci) (T_PPP_FSM *, T_NET_BUF *);
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| 129 | /* ACK ãåä¿¡ããã¨ãã®å¦ç */
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| 130 | int_t (*nakci) (T_PPP_FSM *, T_NET_BUF *);
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| 131 | /* NAK ãåä¿¡ããã¨ãã®å¦ç */
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| 132 | int_t (*rejci) (T_PPP_FSM *, T_NET_BUF *);
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| 133 | /* REJ ãåä¿¡ããã¨ãã®å¦ç */
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| 134 | int_t (*reqci) (T_PPP_FSM *, T_NET_BUF *, T_NET_BUF *);
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| 135 | /* ç¸æã®æ§ææ
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| 136 | å ±ã確èªããã */
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| 137 | void (*up) (T_PPP_FSM *); /* ãªã³ã¯ã®æ¥ç¶ã確ç«ããã */
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| 138 | void (*down) (T_PPP_FSM *); /* ãªã³ã¯ã®æ¥ç¶ã解æ¾ããã */
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| 139 | void (*starting)(T_PPP_FSM *); /* ä¸ä½å±¤ãéå§ããã */
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| 140 | void (*finished)(T_PPP_FSM *); /* ä¸ä½å±¤ãçµäºããã */
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| 141 | void (*retrans) (T_PPP_FSM *); /* åéããã */
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| 142 | /* ä¸æ㪠CP ãåä¿¡ããã¨ãã®å¦ç */
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| 143 | bool_t (*extcode)(T_PPP_FSM *, uint8_t, uint8_t, T_NET_BUF *);
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| 144 | } T_PPP_FSM_CALLBACKS;
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| 145 |
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| 146 | /*
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| 147 | * FSM ã®ç¶æ
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| 148 |
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| 149 | */
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| 150 |
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| 151 | #define PPP_FSM_INITIAL 0 /* æªæ¥ç¶ãæªãªã¼ãã³ */
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| 152 | #define PPP_FSM_STARTING 1 /* æªæ¥ç¶ããªã¼ãã³ */
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| 153 | #define PPP_FSM_CLOSED 2 /* æ¥ç¶ã æªãªã¼ãã³ */
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| 154 | #define PPP_FSM_STOPPED 3 /* ãªã¼ãã³ãåæå¾
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| 155 | ã¡ */
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| 156 | #define PPP_FSM_CLOSING 4 /* åæä¸ãæªãªã¼ãã³ */
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| 157 | #define PPP_FSM_STOPPING 5 /* åæä¸ããªã¼ãã³ */
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| 158 | #define PPP_FSM_REQSENT 6 /* Config REQ éä¿¡æ¸ã¿ */
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| 159 | #define PPP_FSM_ACKRCVD 7 /* Config ACK åä¿¡æ¸ã¿ */
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| 160 | #define PPP_FSM_ACKSENT 8 /* Config ACK éä¿¡æ¸ã¿ */
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| 161 | #define PPP_FSM_OPENED 9 /* æ¥ç¶ãéä¿¡å¯è½ */
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| 162 |
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| 163 | /*
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| 164 | * ãªã¼ãã³æã®åä½ã¢ã¼ã
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| 165 | */
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| 166 |
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| 167 | #define PPP_OPEN_PASSIVE false /* ååãªã¼ãã³ */
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| 168 | #define PPP_OPEN_ACTIVE true /* è½åãªã¼ãã³ */
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| 169 |
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| 170 | /*
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| 171 | * åéãã¿ã¤ã ã¢ã¦ãã®æ¢å®å¤
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| 172 | */
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| 173 |
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| 174 | #define DEF_PPP_TIMEOUT (3*NET_TIMER_HZ)
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| 175 | /* RFC1661 ã§ã¯ 3 ç§ */
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| 176 | #define MAX_PPP_TERMINATES 2 /* Terminate-Requests ã®æ大åéåæ° */
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| 177 | /* RFC1661 ã§ã¯ 2 å */
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| 178 | #define MAX_PPP_CONFIGURES 10 /* Configure-Requests ã®æ大åéåæ° */
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| 179 | /* RFC1661 ã§ã¯ 10 å */
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| 180 | #define MAX_PPP_FAILURES 5 /* Configure-NAK ã®æ大é»èªåæ° */
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| 181 | /* RFC1661 ã§ã¯ 5 å */
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| 182 |
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| 183 | /*
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| 184 | * é¢æ°
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| 185 | */
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| 186 |
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| 187 | extern void fsm_init (T_PPP_FSM *fsm);
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| 188 | extern void fsm_lowerup (T_PPP_FSM *fsm);
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| 189 | extern void fsm_lowerdown(T_PPP_FSM *fsm);
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| 190 | extern void fsm_open (T_PPP_FSM *fsm);
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| 191 | extern void fsm_close (T_PPP_FSM *fsm);
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| 192 | extern void fsm_input (T_PPP_FSM *fsm, T_NET_BUF *data);
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| 193 | extern void fsm_protreject(T_PPP_FSM *fsm);
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| 194 |
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| 195 | /*
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| 196 | * å¤æ°
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| 197 | */
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| 198 |
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| 199 | extern uint8_t ppp_open_mode;
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| 200 |
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| 201 | #endif /* of #ifdef SUPPORT_PPP */
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| 202 |
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| 203 | #endif /* of #ifndef _PPP_FSM_H_ */
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