include/linux/lapb.h

   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, struct lapb_register_struct *callbacks);
  48 extern int lapb_unregister(struct net_device *dev);
  49 extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
  50 extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);
  51 extern int lapb_connect_request(struct net_device *dev);
  52 extern int lapb_disconnect_request(struct net_device *dev);
  53 extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb);
  54 extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb);
  55
  56 #endif