#ifndef __LINUX_GEN_STATS_H
  #define __LINUX_GEN_STATS_H
  
  #include <linux/types.h>
  
  enum {
  	TCA_STATS_UNSPEC,
  	TCA_STATS_BASIC,
  	TCA_STATS_RATE_EST,
  	TCA_STATS_QUEUE,
  	TCA_STATS_APP,
  	__TCA_STATS_MAX,
  };
  #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
  
  /**
   * struct gnet_stats_basic - byte/packet throughput statistics
   * @bytes: number of seen bytes
   * @packets: number of seen packets
   */

  struct gnet_stats_basic {

  	__u64	bytes;
  	__u32	packets;

  };

  struct gnet_stats_basic_packed {

  	__u64	bytes;
  	__u32	packets;

  } __attribute__ ((packed));

  
  /**
   * struct gnet_stats_rate_est - rate estimator
   * @bps: current byte rate
   * @pps: current packet rate
   */

  struct gnet_stats_rate_est {

  	__u32	bps;
  	__u32	pps;
  };
  
  /**
   * struct gnet_stats_queue - queuing statistics
   * @qlen: queue length
   * @backlog: backlog size of queue
   * @drops: number of dropped packets
   * @requeues: number of requeues
   * @overlimits: number of enqueues over the limit
   */

  struct gnet_stats_queue {

  	__u32	qlen;
  	__u32	backlog;
  	__u32	drops;
  	__u32	requeues;
  	__u32	overlimits;
  };
  
  /**
   * struct gnet_estimator - rate estimator configuration
   * @interval: sampling period
   * @ewma_log: the log of measurement window weight
   */

  struct gnet_estimator {

  	signed char	interval;
  	unsigned char	ewma_log;
  };
  
  
  #endif /* __LINUX_GEN_STATS_H */