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: ppp_fsm.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 | * 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 | } __attribute__((packed, aligned(2)))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 | } __attribute__((packed, aligned(2)))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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