/* $Id$
 *
 * This file is (c) under GNU PUBLIC LICENSE
 *
 */

#include <linux/mISDNif.h>
#include <linux/skbuff.h>
#include "fsm.h"
#ifdef MISDN_MEMDEBUG
#include "memdbg.h"
#endif

#define SBIT(state) (1<<state)
#define ALL_STATES  0x03ffffff

#define PROTO_DIS_EURO	0x08

#define L3_DEB_WARN	0x01
#define L3_DEB_PROTERR	0x02
#define L3_DEB_STATE	0x04
#define L3_DEB_CHARGE	0x08
#define L3_DEB_CHECK	0x10
#define L3_DEB_SI	0x20

#define FLG_L2BLOCK	1
#define FLG_PTP		2
#define FLG_EXTCID	3
#define FLG_CRLEN2	4

typedef struct _L3Timer {
	struct _l3_process	*pc;
	struct timer_list	tl;
	int			event;
} L3Timer_t;

typedef struct _l3_process {
	struct _l3_process	*prev;
	struct _l3_process	*next;
	struct _layer3		*l3;
	int			callref;
	int			state;
	L3Timer_t		timer;
	int			n303;
	struct sk_buff		*t303skb;
	u_int			id;
	int			bc;
	int			err;
} l3_process_t;

typedef struct _layer3 {
	struct _layer3		*prev;
	struct _layer3		*next;
	struct FsmInst		l3m;
	struct FsmTimer		l3m_timer;
	int			entity;
	int			id_cnt;
	l3_process_t		*proc;
	l3_process_t		*global;
	l3_process_t		*dummy;
	int			(*p_mgr)(l3_process_t *, u_int, void *);
	int			down_headerlen;
	u_int			id;
	int			debug;
	u_long			Flag;
	mISDNinstance_t		inst;
	struct sk_buff_head	squeue;
} layer3_t;

struct stateentry {
	int	state;
	u_int	primitive;
	void	(*rout) (l3_process_t *, u_char, void *);
};

extern int		l3_msg(layer3_t *, u_int, int, int, void *);
extern void		newl3state(l3_process_t *, int);
extern void		L3InitTimer(l3_process_t *, L3Timer_t *);
extern void		L3DelTimer(L3Timer_t *);
extern int		L3AddTimer(L3Timer_t *, int, int);
extern void		StopAllL3Timer(l3_process_t *);
extern void		release_l3_process(l3_process_t *);
extern l3_process_t	*getl3proc(layer3_t *, int);
extern l3_process_t	*getl3proc4id(layer3_t *, u_int);
extern l3_process_t	*new_l3_process(layer3_t *, int, int, u_int);
extern u_char		*findie(u_char *, int, u_char, int);
extern int		mISDN_l3up(l3_process_t *, u_int, struct sk_buff *);
extern int		getcallref(u_char * p);
extern int		newcallref(void);
extern void		init_l3(layer3_t *);
extern void		release_l3(layer3_t *);
extern void		mISDNl3New(void);
extern void		mISDNl3Free(void);
extern void		l3_debug(layer3_t *, char *, ...);