gen_stats.h revision c40bba6922b470c0fd0c7a7b8b09584527c468e9 
1#ifndef __LINUX_GEN_STATS_H
2#define __LINUX_GEN_STATS_H
3
4#include <linux/types.h>
5
6enum {
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 */
21struct 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 */
32struct 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 */
46struct 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 */
60struct gnet_estimator
61{
62	signed char	interval;
63	unsigned char	ewma_log;
64};
65
66
67#endif /* __LINUX_GEN_STATS_H */
68