LXR linux/include/uapi/linux/gen

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef __LINUX_GEN_STATS_H
   3#define __LINUX_GEN_STATS_H
   4
   5#include <linux/types.h>
   6
   7enum {
   8        TCA_STATS_UNSPEC,
   9        TCA_STATS_BASIC,
  10        TCA_STATS_RATE_EST,
  11        TCA_STATS_QUEUE,
  12        TCA_STATS_APP,
  13        TCA_STATS_RATE_EST64,
  14        TCA_STATS_PAD,
  15        TCA_STATS_BASIC_HW,
  16        TCA_STATS_PKT64,
  17        __TCA_STATS_MAX,
  18};
  19#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
  20
  21/**
  22 * struct gnet_stats_basic - byte/packet throughput statistics
  23 * @bytes: number of seen bytes
  24 * @packets: number of seen packets
  25 */
  26struct gnet_stats_basic {
  27        __u64   bytes;
  28        __u32   packets;
  29};
  30
  31/**
  32 * struct gnet_stats_rate_est - rate estimator
  33 * @bps: current byte rate
  34 * @pps: current packet rate
  35 */
  36struct gnet_stats_rate_est {
  37        __u32   bps;
  38        __u32   pps;
  39};
  40
  41/**
  42 * struct gnet_stats_rate_est64 - rate estimator
  43 * @bps: current byte rate
  44 * @pps: current packet rate
  45 */
  46struct gnet_stats_rate_est64 {
  47        __u64   bps;
  48        __u64   pps;
  49};
  50
  51/**
  52 * struct gnet_stats_queue - queuing statistics
  53 * @qlen: queue length
  54 * @backlog: backlog size of queue
  55 * @drops: number of dropped packets
  56 * @requeues: number of requeues
  57 * @overlimits: number of enqueues over the limit
  58 */
  59struct gnet_stats_queue {
  60        __u32   qlen;
  61        __u32   backlog;
  62        __u32   drops;
  63        __u32   requeues;
  64        __u32   overlimits;
  65};
  66
  67/**
  68 * struct gnet_estimator - rate estimator configuration
  69 * @interval: sampling period
  70 * @ewma_log: the log of measurement window weight
  71 */
  72struct gnet_estimator {
  73        signed char     interval;
  74        unsigned char   ewma_log;
  75};
  76
  77
  78#endif /* __LINUX_GEN_STATS_H */
  79