LXR linux/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
  26struct 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
  35struct 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
  47extern int lapb_register(struct net_device *dev,
  48                         const struct lapb_register_struct *callbacks);
  49extern int lapb_unregister(struct net_device *dev);
  50extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
  51extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);
  52extern int lapb_connect_request(struct net_device *dev);
  53extern int lapb_disconnect_request(struct net_device *dev);
  54extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb);
  55extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb);
  56
  57#endif
  58