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kernel/linux-imx6_3.14.28/include/linux/lapb.h 1.67 KB
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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)(struct net_device *dev, int reason);
  	void (*connect_indication)(struct net_device *dev, int reason);
  	void (*disconnect_confirmation)(struct net_device *dev, int reason);
  	void (*disconnect_indication)(struct net_device *dev, int reason);
  	int  (*data_indication)(struct net_device *dev, struct sk_buff *skb);
  	void (*data_transmit)(struct net_device *dev, 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(struct net_device *dev,
  			 const struct lapb_register_struct *callbacks);
  extern int lapb_unregister(struct net_device *dev);
  extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
  extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);
  extern int lapb_connect_request(struct net_device *dev);
  extern int lapb_disconnect_request(struct net_device *dev);
  extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb);
  extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb);
  
  #endif