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 };
  26 struct gnet_stats_basic_packed
  27 {
  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 {
  39         __u32   bps;
  40         __u32   pps;
  41 };
  42
  43 /**
  44  * struct gnet_stats_queue - queuing statistics
  45  * @qlen: queue length
  46  * @backlog: backlog size of queue
  47  * @drops: number of dropped packets
  48  * @requeues: number of requeues
  49  * @overlimits: number of enqueues over the limit
  50  */
  51 struct gnet_stats_queue
  52 {
  53         __u32   qlen;
  54         __u32   backlog;
  55         __u32   drops;
  56         __u32   requeues;
  57         __u32   overlimits;
  58 };
  59
  60 /**
  61  * struct gnet_estimator - rate estimator configuration
  62  * @interval: sampling period
  63  * @ewma_log: the log of measurement window weight
  64  */
  65 struct gnet_estimator
  66 {
  67         signed char     interval;
  68         unsigned char   ewma_log;
  69 };
  70
  71
  72 #endif /* __LINUX_GEN_STATS_H */