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/*

 * These are the public elements of the Linux LAPB module.

 */

#ifndef LAPB_KERNEL_H

#define LAPB_KERNEL_H

#define LAPB_OK                 0

#define LAPB_BADTOKEN           1

#define LAPB_INVALUE            2

#define LAPB_CONNECTED          3

#define LAPB_NOTCONNECTED       4

#define LAPB_REFUSED            5

#define LAPB_TIMEDOUT           6

#define LAPB_NOMEM              7

#define LAPB_STANDARD           0x00

#define LAPB_EXTENDED           0x01

#define LAPB_SLP                0x00

#define LAPB_MLP                0x02

#define LAPB_DTE                0x00

#define LAPB_DCE                0x04

struct lapb_register_struct {

        void (*connect_confirmation)(void *token, int reason);

        void (*connect_indication)(void *token, int reason);

        void (*disconnect_confirmation)(void *token, int reason);

        void (*disconnect_indication)(void *token, int reason);

        int  (*data_indication)(void *token, struct sk_buff *skb);

        void (*data_transmit)(void *token, struct sk_buff *skb);

};

struct lapb_parms_struct {

        unsigned int t1;

        unsigned int t1timer;

        unsigned int t2;

        unsigned int t2timer;

        unsigned int n2;

        unsigned int n2count;

        unsigned int window;

        unsigned int state;

        unsigned int mode;

};

extern int lapb_register(void *token, struct lapb_register_struct *callbacks);

extern int lapb_unregister(void *token);

extern int lapb_getparms(void *token, struct lapb_parms_struct *parms);

extern int lapb_setparms(void *token, struct lapb_parms_struct *parms);

extern int lapb_connect_request(void *token);

extern int lapb_disconnect_request(void *token);

extern int lapb_data_request(void *token, struct sk_buff *skb);

extern int lapb_data_received(void *token, struct sk_buff *skb);

#endif