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  * @bytes: number of seen bytes
  18  * @packets: number of seen packets
  19  */
  20 struct gnet_stats_basic
  21 {
  22         __u64   bytes;
  23         __u32   packets;
  24 };
  25
  26 /**
  27  * @bps: current byte rate
  28  * @pps: current packet rate
  29  */
  30 struct gnet_stats_rate_est
  31 {
  32         __u32   bps;
  33         __u32   pps;
  34 };
  35
  36 /**
  37  * @qlen: queue length
  38  * @backlog: backlog size of queue
  39  * @drops: number of dropped packets
  40  * @requeues: number of requeues
  41  */
  42 struct gnet_stats_queue
  43 {
  44         __u32   qlen;
  45         __u32   backlog;
  46         __u32   drops;
  47         __u32   requeues;
  48         __u32   overlimits;
  49 };
  50
  51 /**
  52  * @interval: sampling period
  53  * @ewma_log: the log of measurement window weight
  54  */
  55 struct gnet_estimator
  56 {
  57         signed char     interval;
  58         unsigned char   ewma_log;
  59 };
  60
  61
  62 #endif /* __LINUX_GEN_STATS_H */