include/uapi/linux/gen_stats.h

   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
   7 enum {
   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  */
  26 struct 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  */
  36 struct 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  */
  46 struct 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  */
  59 struct 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  */
  72 struct gnet_estimator {
  73         signed char     interval;
  74         unsigned char   ewma_log;
  75 };
  76
  77
  78 #endif /* __LINUX_GEN_STATS_H */