include/uapi/linux/gen_stats.h

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