gen_stats.h revision dcfb7a77f8709125e97c313cb8ab6ec4d87468f4 
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};
26struct 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 */
37struct 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 */
51struct 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 */
65struct gnet_estimator
66{
67	signed char	interval;
68	unsigned char	ewma_log;
69};
70
71
72#endif /* __LINUX_GEN_STATS_H */
73