include/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_MAX,
  13 };
  14 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
  15
  16 /**
  17  * struct gnet_stats_basic - byte/packet throughput statistics
  18  * @bytes: number of seen bytes
  19  * @packets: number of seen packets
  20  */
  21 struct gnet_stats_basic
  22 {
  23         __u64   bytes;
  24         __u32   packets;
  25 } __attribute__ ((packed));
  26
  27 /**
  28  * struct gnet_stats_rate_est - rate estimator
  29  * @bps: current byte rate
  30  * @pps: current packet rate
  31  */
  32 struct gnet_stats_rate_est
  33 {
  34         __u32   bps;
  35         __u32   pps;
  36 };
  37
  38 /**
  39  * struct gnet_stats_queue - queuing statistics
  40  * @qlen: queue length
  41  * @backlog: backlog size of queue
  42  * @drops: number of dropped packets
  43  * @requeues: number of requeues
  44  * @overlimits: number of enqueues over the limit
  45  */
  46 struct gnet_stats_queue
  47 {
  48         __u32   qlen;
  49         __u32   backlog;
  50         __u32   drops;
  51         __u32   requeues;
  52         __u32   overlimits;
  53 };
  54
  55 /**
  56  * struct gnet_estimator - rate estimator configuration
  57  * @interval: sampling period
  58  * @ewma_log: the log of measurement window weight
  59  */
  60 struct gnet_estimator
  61 {
  62         signed char     interval;
  63         unsigned char   ewma_log;
  64 };
  65
  66
  67 #endif /* __LINUX_GEN_STATS_H */