#ifndef __NET_GEN_STATS_H
  #define __NET_GEN_STATS_H
  
  #include <linux/gen_stats.h>
  #include <linux/socket.h>
  #include <linux/rtnetlink.h>
  #include <linux/pkt_sched.h>

  struct gnet_dump {

  	spinlock_t *      lock;
  	struct sk_buff *  skb;

  	struct nlattr *   tail;

  	/* Backward compatibility */

  	int               compat_tc_stats;
  	int               compat_xstats;
  	void *            xstats;
  	int               xstats_len;
  	struct tc_stats   tc_stats;
  };
  
  extern int gnet_stats_start_copy(struct sk_buff *skb, int type,
  				 spinlock_t *lock, struct gnet_dump *d);
  
  extern int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
  					int tc_stats_type,int xstats_type,
  					spinlock_t *lock, struct gnet_dump *d);
  
  extern int gnet_stats_copy_basic(struct gnet_dump *d,

  				 struct gnet_stats_basic_packed *b);

  extern int gnet_stats_copy_rate_est(struct gnet_dump *d,

  				    const struct gnet_stats_basic_packed *b,

  				    struct gnet_stats_rate_est *r);
  extern int gnet_stats_copy_queue(struct gnet_dump *d,
  				 struct gnet_stats_queue *q);
  extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
  
  extern int gnet_stats_finish_copy(struct gnet_dump *d);

  extern int gen_new_estimator(struct gnet_stats_basic_packed *bstats,

  			     struct gnet_stats_rate_est *rate_est,

  			     spinlock_t *stats_lock, struct nlattr *opt);

  extern void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,

  			       struct gnet_stats_rate_est *rate_est);

  extern int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,

  				 struct gnet_stats_rate_est *rate_est,

  				 spinlock_t *stats_lock, struct nlattr *opt);

  extern bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,

  				 const struct gnet_stats_rate_est *rate_est);

  #endif