gen_stats.h

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#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