1 /* 2 * These are the public elements of the Linux LAPB module. 3 */ 4 5 #ifndef LAPB_KERNEL_H 6 #define LAPB_KERNEL_H 7 8 #define LAPB_OK 0 9 #define LAPB_BADTOKEN 1 10 #define LAPB_INVALUE 2 11 #define LAPB_CONNECTED 3 12 #define LAPB_NOTCONNECTED 4 13 #define LAPB_REFUSED 5 14 #define LAPB_TIMEDOUT 6 15 #define LAPB_NOMEM 7 16 17 #define LAPB_STANDARD 0x00 18 #define LAPB_EXTENDED 0x01 19 20 #define LAPB_SLP 0x00 21 #define LAPB_MLP 0x02 22 23 #define LAPB_DTE 0x00 24 #define LAPB_DCE 0x04 25 26 struct lapb_register_struct { 27 void (*connect_confirmation)(struct net_device *dev, int reason); 28 void (*connect_indication)(struct net_device *dev, int reason); 29 void (*disconnect_confirmation)(struct net_device *dev, int reason); 30 void (*disconnect_indication)(struct net_device *dev, int reason); 31 int (*data_indication)(struct net_device *dev, struct sk_buff *skb); 32 void (*data_transmit)(struct net_device *dev, struct sk_buff *skb); 33 }; 34 35 struct lapb_parms_struct { 36 unsigned int t1; 37 unsigned int t1timer; 38 unsigned int t2; 39 unsigned int t2timer; 40 unsigned int n2; 41 unsigned int n2count; 42 unsigned int window; 43 unsigned int state; 44 unsigned int mode; 45 }; 46 47 extern int lapb_register(struct net_device *dev, 48 const struct lapb_register_struct *callbacks); 49 extern int lapb_unregister(struct net_device *dev); 50 extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms); 51 extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms); 52 extern int lapb_connect_request(struct net_device *dev); 53 extern int lapb_disconnect_request(struct net_device *dev); 54 extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb); 55 extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb); 56 57 #endif 58