| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
| Eric Dumazet | 5e140df | 2009-03-20 01:33:32 -0700 | [diff] [blame] | 25 | } __attribute__ ((packed)); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |