root/include/net/gen_stats.h

INCLUDED FROM

#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_stats_basic_cpu {
        struct gnet_stats_basic_packed bstats;
        struct u64_stats_sync syncp;
};

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;
};

int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
                          struct gnet_dump *d);

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);

int gnet_stats_copy_basic(struct gnet_dump *d,
                          struct gnet_stats_basic_cpu __percpu *cpu,
                          struct gnet_stats_basic_packed *b);
void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
                             struct gnet_stats_basic_cpu __percpu *cpu,
                             struct gnet_stats_basic_packed *b);
int gnet_stats_copy_rate_est(struct gnet_dump *d,
                             const struct gnet_stats_basic_packed *b,
                             struct gnet_stats_rate_est64 *r);
int gnet_stats_copy_queue(struct gnet_dump *d,
                          struct gnet_stats_queue __percpu *cpu_q,
                          struct gnet_stats_queue *q, __u32 qlen);
int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);

int gnet_stats_finish_copy(struct gnet_dump *d);

int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
                      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
                      struct gnet_stats_rate_est64 *rate_est,
                      spinlock_t *stats_lock, struct nlattr *opt);
void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
                        struct gnet_stats_rate_est64 *rate_est);
int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
                          struct gnet_stats_basic_cpu __percpu *cpu_bstats,
                          struct gnet_stats_rate_est64 *rate_est,
                          spinlock_t *stats_lock, struct nlattr *opt);
bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
                          const struct gnet_stats_rate_est64 *rate_est);
#endif