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_MAX,
  16 };
  17 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
  18
  19 /**
  20  * struct gnet_stats_basic - byte/packet throughput statistics
  21  * @bytes: number of seen bytes
  22  * @packets: number of seen packets
  23  */
  24 struct gnet_stats_basic {
  25         __u64   bytes;
  26         __u32   packets;
  27 };
  28 struct gnet_stats_basic_packed {
  29         __u64   bytes;
  30         __u32   packets;
  31 } __attribute__ ((packed));
  32
  33 /**
  34  * struct gnet_stats_rate_est - rate estimator
  35  * @bps: current byte rate
  36  * @pps: current packet rate
  37  */
  38 struct gnet_stats_rate_est {
  39         __u32   bps;
  40         __u32   pps;
  41 };
  42
  43 /**
  44  * struct gnet_stats_rate_est64 - rate estimator
  45  * @bps: current byte rate
  46  * @pps: current packet rate
  47  */
  48 struct gnet_stats_rate_est64 {
  49         __u64   bps;
  50         __u64   pps;
  51 };
  52
  53 /**
  54  * struct gnet_stats_queue - queuing statistics
  55  * @qlen: queue length
  56  * @backlog: backlog size of queue
  57  * @drops: number of dropped packets
  58  * @requeues: number of requeues
  59  * @overlimits: number of enqueues over the limit
  60  */
  61 struct gnet_stats_queue {
  62         __u32   qlen;
  63         __u32   backlog;
  64         __u32   drops;
  65         __u32   requeues;
  66         __u32   overlimits;
  67 };
  68
  69 /**
  70  * struct gnet_estimator - rate estimator configuration
  71  * @interval: sampling period
  72  * @ewma_log: the log of measurement window weight
  73  */
  74 struct gnet_estimator {
  75         signed char     interval;
  76         unsigned char   ewma_log;
  77 };
  78
  79
  80 #endif /* __LINUX_GEN_STATS_H */