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fsm.h (28461) fsm.h (28679)
1/*
2 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
3 *
4 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
5 *
6 * Redistribution and use in source and binary forms are permitted
7 * provided that the above copyright notice and this paragraph are
8 * duplicated in all such forms and that any documentation,
9 * advertising materials, and other materials related to such
10 * distribution and use acknowledge that the software was developed
11 * by the Internet Initiative Japan. The name of the
12 * IIJ may not be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 *
1/*
2 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
3 *
4 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
5 *
6 * Redistribution and use in source and binary forms are permitted
7 * provided that the above copyright notice and this paragraph are
8 * duplicated in all such forms and that any documentation,
9 * advertising materials, and other materials related to such
10 * distribution and use acknowledge that the software was developed
11 * by the Internet Initiative Japan. The name of the
12 * IIJ may not be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * $Id: fsm.h,v 1.8 1997/06/09 03:27:21 brian Exp $
18 * $Id: fsm.h,v 1.9 1997/08/20 23:47:43 brian Exp $
19 *
20 * TODO:
21 */
22
23#ifndef _FSM_H_
24#define _FSM_H_
25
26#include "defs.h"

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48#define MODE_NAK 1
49#define MODE_REJ 2
50#define MODE_NOP 3
51
52#define OPEN_ACTIVE 0
53#define OPEN_PASSIVE 1
54
55struct fsm {
19 *
20 * TODO:
21 */
22
23#ifndef _FSM_H_
24#define _FSM_H_
25
26#include "defs.h"

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48#define MODE_NAK 1
49#define MODE_REJ 2
50#define MODE_NOP 3
51
52#define OPEN_ACTIVE 0
53#define OPEN_PASSIVE 1
54
55struct fsm {
56 char *name; /* Name of protocol */
56 char *name; /* Name of protocol */
57 u_short proto; /* Protocol number */
58 u_short max_code;
57 u_short proto; /* Protocol number */
58 u_short max_code;
59 int open_mode;
60 int state; /* State of the machine */
61 int reqid; /* Next request id */
62 int restart; /* Restart counter value */
63 int maxconfig;
59 int open_mode;
60 int state; /* State of the machine */
61 int reqid; /* Next request id */
62 int restart; /* Restart counter value */
63 int maxconfig;
64
64
65 int reqcode; /* Request code sent */
65 int reqcode; /* Request code sent */
66 struct pppTimer FsmTimer; /* Restart Timer */
67
68 /*
69 * This timer times the ST_STOPPED state out after the given value
66 struct pppTimer FsmTimer; /* Restart Timer */
67
68 /*
69 * This timer times the ST_STOPPED state out after the given value
70 * (specified via "set stopped ..."). Although this isn't
71 * specified in the rfc, the rfc *does* say that "the application
72 * may use higher level timers to avoid deadlock".
73 * The StoppedTimer takes effect when the other side ABENDs rather
74 * than going into ST_ACKSENT (and sending the ACK), causing ppp to
75 * time out and drop into ST_STOPPED. At this point, nothing will
76 * change this state :-(
70 * (specified via "set stopped ..."). Although this isn't specified in the
71 * rfc, the rfc *does* say that "the application may use higher level
72 * timers to avoid deadlock". The StoppedTimer takes effect when the other
73 * side ABENDs rather than going into ST_ACKSENT (and sending the ACK),
74 * causing ppp to time out and drop into ST_STOPPED. At this point,
75 * nothing will change this state :-(
77 */
78 struct pppTimer StoppedTimer;
79 int LogLevel;
80
76 */
77 struct pppTimer StoppedTimer;
78 int LogLevel;
79
81 void (*LayerUp)(struct fsm *);
82 void (*LayerDown)(struct fsm *);
83 void (*LayerStart)(struct fsm *);
84 void (*LayerFinish)(struct fsm *);
85 void (*InitRestartCounter)(struct fsm *);
86 void (*SendConfigReq)(struct fsm *);
87 void (*SendTerminateReq)(struct fsm *);
88 void (*SendTerminateAck)(struct fsm *);
89 void (*DecodeConfig)(u_char *, int, int);
80 void (*LayerUp) (struct fsm *);
81 void (*LayerDown) (struct fsm *);
82 void (*LayerStart) (struct fsm *);
83 void (*LayerFinish) (struct fsm *);
84 void (*InitRestartCounter) (struct fsm *);
85 void (*SendConfigReq) (struct fsm *);
86 void (*SendTerminateReq) (struct fsm *);
87 void (*SendTerminateAck) (struct fsm *);
88 void (*DecodeConfig) (u_char *, int, int);
90};
91
92struct fsmheader {
89};
90
91struct fsmheader {
93 u_char code; /* Request code */
94 u_char id; /* Identification */
95 u_short length; /* Length of packet */
92 u_char code; /* Request code */
93 u_char id; /* Identification */
94 u_short length; /* Length of packet */
96};
97
98#define CODE_CONFIGREQ 1
99#define CODE_CONFIGACK 2
100#define CODE_CONFIGNAK 3
101#define CODE_CONFIGREJ 4
102#define CODE_TERMREQ 5
103#define CODE_TERMACK 6
104#define CODE_CODEREJ 7
105#define CODE_PROTOREJ 8
95};
96
97#define CODE_CONFIGREQ 1
98#define CODE_CONFIGACK 2
99#define CODE_CONFIGNAK 3
100#define CODE_CONFIGREJ 4
101#define CODE_TERMREQ 5
102#define CODE_TERMACK 6
103#define CODE_CODEREJ 7
104#define CODE_PROTOREJ 8
106#define CODE_ECHOREQ 9 /* Used in LCP */
107#define CODE_ECHOREP 10 /* Used in LCP */
105#define CODE_ECHOREQ 9 /* Used in LCP */
106#define CODE_ECHOREP 10 /* Used in LCP */
108#define CODE_DISCREQ 11
107#define CODE_DISCREQ 11
109#define CODE_IDENT 12 /* Used in LCP Extension */
110#define CODE_TIMEREM 13 /* Used in LCP Extension */
111#define CODE_RESETREQ 14 /* Used in CCP */
112#define CODE_RESETACK 15 /* Used in CCP */
108#define CODE_IDENT 12 /* Used in LCP Extension */
109#define CODE_TIMEREM 13 /* Used in LCP Extension */
110#define CODE_RESETREQ 14 /* Used in CCP */
111#define CODE_RESETACK 15 /* Used in CCP */
113
114struct fsmcodedesc {
112
113struct fsmcodedesc {
115 void (*action)(struct fsm *, struct fsmheader *, struct mbuf *);
114 void (*action) (struct fsm *, struct fsmheader *, struct mbuf *);
116 char *name;
117};
118
119struct fsmconfig {
120 u_char type;
121 u_char length;
122};
123

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137extern void FsmDown(struct fsm *);
138extern void FsmInput(struct fsm *, struct mbuf *);
139
140extern void FsmRecvConfigReq(struct fsm *, struct fsmheader *, struct mbuf *);
141extern void FsmRecvConfigAck(struct fsm *, struct fsmheader *, struct mbuf *);
142extern void FsmRecvConfigNak(struct fsm *, struct fsmheader *, struct mbuf *);
143extern void FsmRecvTermReq(struct fsm *, struct fsmheader *, struct mbuf *);
144extern void FsmRecvTermAck(struct fsm *, struct fsmheader *, struct mbuf *);
115 char *name;
116};
117
118struct fsmconfig {
119 u_char type;
120 u_char length;
121};
122

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136extern void FsmDown(struct fsm *);
137extern void FsmInput(struct fsm *, struct mbuf *);
138
139extern void FsmRecvConfigReq(struct fsm *, struct fsmheader *, struct mbuf *);
140extern void FsmRecvConfigAck(struct fsm *, struct fsmheader *, struct mbuf *);
141extern void FsmRecvConfigNak(struct fsm *, struct fsmheader *, struct mbuf *);
142extern void FsmRecvTermReq(struct fsm *, struct fsmheader *, struct mbuf *);
143extern void FsmRecvTermAck(struct fsm *, struct fsmheader *, struct mbuf *);
145extern void FsmClose(struct fsm *fp);
144extern void FsmClose(struct fsm * fp);
146
147extern struct fsm LcpFsm, IpcpFsm, CcpFsm;
148
145
146extern struct fsm LcpFsm, IpcpFsm, CcpFsm;
147
149#endif /* _FSM_H_ */
148#endif /* _FSM_H_ */