#ifndef __nosy_user_h
  #define __nosy_user_h

  #include <linux/ioctl.h>
  #include <linux/types.h>

  
  #define NOSY_IOC_GET_STATS _IOR('&', 0, struct nosy_stats)
  #define NOSY_IOC_START     _IO('&', 1)
  #define NOSY_IOC_STOP      _IO('&', 2)
  #define NOSY_IOC_FILTER    _IOW('&', 2, __u32)
  
  struct nosy_stats {

  	__u32 total_packet_count;
  	__u32 lost_packet_count;

  };

  /*

   * Format of packets returned from the kernel driver:
   *

   *	quadlet with timestamp		(microseconds, CPU endian)
   *	quadlet-padded packet data...	(little endian)
   *	quadlet with ack		(little endian)

   */
  
  #endif /* __nosy_user_h */