gen_stats.h revision 1a441f49ec87ef74b978d7ae17da2a9b2ca6e811 
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	__u64	bytes;
23	__u32	packets;
24};
25struct gnet_stats_basic_packed {
26	__u64	bytes;
27	__u32	packets;
28} __attribute__ ((packed));
29
30/**
31 * struct gnet_stats_rate_est - rate estimator
32 * @bps: current byte rate
33 * @pps: current packet rate
34 */
35struct gnet_stats_rate_est {
36	__u32	bps;
37	__u32	pps;
38};
39
40/**
41 * struct gnet_stats_queue - queuing statistics
42 * @qlen: queue length
43 * @backlog: backlog size of queue
44 * @drops: number of dropped packets
45 * @requeues: number of requeues
46 * @overlimits: number of enqueues over the limit
47 */
48struct gnet_stats_queue {
49	__u32	qlen;
50	__u32	backlog;
51	__u32	drops;
52	__u32	requeues;
53	__u32	overlimits;
54};
55
56/**
57 * struct gnet_estimator - rate estimator configuration
58 * @interval: sampling period
59 * @ewma_log: the log of measurement window weight
60 */
61struct gnet_estimator {
62	signed char	interval;
63	unsigned char	ewma_log;
64};
65
66
67#endif /* __LINUX_GEN_STATS_H */
68