root/include/linux/gen_stats.h

INCLUDED FROM

#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_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 */