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_MAX,
  17};
  18#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
  19
  20/**
  21 * struct gnet_stats_basic - byte/packet throughput statistics
  22 * @bytes: number of seen bytes
  23 * @packets: number of seen packets
  24 */
  25struct gnet_stats_basic {
  26        __u64   bytes;
  27        __u32   packets;
  28};
  29struct gnet_stats_basic_packed {
  30        __u64   bytes;
  31        __u32   packets;
  32} __attribute__ ((packed));
  33
  34/**
  35 * struct gnet_stats_rate_est - rate estimator
  36 * @bps: current byte rate
  37 * @pps: current packet rate
  38 */
  39struct gnet_stats_rate_est {
  40        __u32   bps;
  41        __u32   pps;
  42};
  43
  44/**
  45 * struct gnet_stats_rate_est64 - rate estimator
  46 * @bps: current byte rate
  47 * @pps: current packet rate
  48 */
  49struct gnet_stats_rate_est64 {
  50        __u64   bps;
  51        __u64   pps;
  52};
  53
  54/**
  55 * struct gnet_stats_queue - queuing statistics
  56 * @qlen: queue length
  57 * @backlog: backlog size of queue
  58 * @drops: number of dropped packets
  59 * @requeues: number of requeues
  60 * @overlimits: number of enqueues over the limit
  61 */
  62struct gnet_stats_queue {
  63        __u32   qlen;
  64        __u32   backlog;
  65        __u32   drops;
  66        __u32   requeues;
  67        __u32   overlimits;
  68};
  69
  70/**
  71 * struct gnet_estimator - rate estimator configuration
  72 * @interval: sampling period
  73 * @ewma_log: the log of measurement window weight
  74 */
  75struct gnet_estimator {
  76        signed char     interval;
  77        unsigned char   ewma_log;
  78};
  79
  80
  81#endif /* __LINUX_GEN_STATS_H */
  82