1 files changed, 134 insertions, 0 deletions

diff --git a/usr.sbin/ppp/fsm.h b/usr.sbin/ppp/fsm.h
new file mode 100644
index 0000000..0a30ff1
--- /dev/null
+++ b/usr.sbin/ppp/fsm.h
@@ -0,0 +1,134 @@
+/*
+ *	    Written by Toshiharu OHNO (tony-o@iij.ad.jp)
+ *
+ *   Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Internet Initiative Japan.  The name of the
+ * IIJ may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id:$
+ *
+ *	TODO:
+ */
+#ifndef _FSM_H_
+#define	_FSM_H_
+
+#include "defs.h"
+#include <netinet/in.h>
+#include "timeout.h"
+
+/*
+ *  State of machine
+ */
+#define	ST_INITIAL	0
+#define	ST_STARTING	1
+#define	ST_CLOSED	2
+#define	ST_STOPPED	3
+#define	ST_CLOSING	4
+#define	ST_STOPPING	5
+#define	ST_REQSENT	6
+#define	ST_ACKRCVD	7
+#define	ST_ACKSENT	8
+#define	ST_OPENED	9
+
+#define	ST_MAX		10
+#define	ST_UNDEF	-1
+
+#define	MODE_REQ	0
+#define	MODE_NAK	1
+#define	MODE_REJ	2
+
+#define	OPEN_ACTIVE	0
+#define	OPEN_PASSIVE	1
+
+struct fsm {
+  char	  *name;		/* Name of protocol */
+  u_short proto;		/* Protocol number */
+  u_short max_code;
+  int	  open_mode;
+  int	  state;		/* State of the machine */
+  int	  reqid;		/* Next request id */
+  int	  restart;		/* Restart counter value */
+  int	  maxconfig;
+
+  int     reqcode;		/* Request code sent */
+  struct pppTimer FsmTimer;	/* Restart Timer */
+
+  void	  (*LayerUp)();
+  void	  (*LayerDown)();
+  void	  (*LayerStart)();
+  void	  (*LayerFinish)();
+  void	  (*InitRestartCounter)();
+  void	  (*SendConfigReq)();
+  void	  (*SendTerminateReq)();
+  void	  (*SendTerminateAck)();
+  void	  (*DecodeConfig)();
+};
+
+struct fsmheader {
+  u_char  code;		/* Request code */
+  u_char  id;		/* Identification */
+  u_short length;	/* Length of packet */
+};
+
+#define	CODE_CONFIGREQ	1
+#define	CODE_CONFIGACK	2
+#define	CODE_CONFIGNAK	3
+#define	CODE_CONFIGREJ	4
+#define	CODE_TERMREQ	5
+#define	CODE_TERMACK	6
+#define	CODE_CODEREJ	7
+#define	CODE_PROTOREJ	8
+#define	CODE_ECHOREQ	9		/* Used in LCP */
+#define	CODE_ECHOREP	10		/* Used in LCP */
+#define	CODE_DISCREQ	11
+#define	CODE_IDENT	12		/* Used in LCP Extension */
+#define	CODE_TIMEREM	13		/* Used in LCP Extension */
+#define	CODE_RESETREQ	14		/* Used in CCP */
+#define	CODE_RESETACK	15		/* Used in CCP */
+
+struct fsmcodedesc {
+  void (*action)();
+  char *name;
+};
+
+struct fsmconfig {
+  u_char type;
+  u_char length;
+};
+
+u_char AckBuff[200];
+u_char NakBuff[200];
+u_char RejBuff[100];
+u_char ReqBuff[200];
+
+u_char *ackp, *nakp, *rejp;
+
+extern char *StateNames[];
+extern void FsmInit(struct fsm *);
+extern void NewState(struct fsm *, int);
+extern void FsmOutput(struct fsm *, u_int, u_int, u_char *, int);
+extern void FsmOpen(struct fsm *);
+extern void FsmUp(struct fsm *);
+extern void FsmDown(struct fsm *);
+extern void FsmInput(struct fsm *, struct mbuf *);
+
+extern void FsmRecvConfigReq(struct fsm *, struct fsmheader *, struct mbuf *);
+extern void FsmRecvConfigAck(struct fsm *, struct fsmheader *, struct mbuf *);
+extern void FsmRecvConfigNak(struct fsm *, struct fsmheader *, struct mbuf *);
+extern void FsmRecvTermReq(struct fsm *, struct fsmheader *, struct mbuf *);
+extern void FsmRecvTermAck(struct fsm *, struct fsmheader *, struct mbuf *);
+extern void FsmClose(struct fsm *fp);
+
+extern struct fsm LcpFsm, IpcpFsm, CcpFsm;
+
+#endif	/* _FSM_H_ */