| #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 */ |