1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_GEN_STATS_H
3#define __LINUX_GEN_STATS_H
4
5#include <linux/types.h>
6
7enum {
8	TCA_STATS_UNSPEC,
9	TCA_STATS_BASIC,
10	TCA_STATS_RATE_EST,
11	TCA_STATS_QUEUE,
12	TCA_STATS_APP,
13	TCA_STATS_RATE_EST64,
14	TCA_STATS_PAD,
15	TCA_STATS_BASIC_HW,
16	TCA_STATS_PKT64,
17	__TCA_STATS_MAX,
18};
19#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
20
21/**
22 * struct gnet_stats_basic - byte/packet throughput statistics
23 * @bytes: number of seen bytes
24 * @packets: number of seen packets
25 */
26struct gnet_stats_basic {
27	__u64	bytes;
28	__u32	packets;
29};
30
31/**
32 * struct gnet_stats_rate_est - rate estimator
33 * @bps: current byte rate
34 * @pps: current packet rate
35 */
36struct gnet_stats_rate_est {
37	__u32	bps;
38	__u32	pps;
39};
40
41/**
42 * struct gnet_stats_rate_est64 - rate estimator
43 * @bps: current byte rate
44 * @pps: current packet rate
45 */
46struct gnet_stats_rate_est64 {
47	__u64	bps;
48	__u64	pps;
49};
50
51/**
52 * struct gnet_stats_queue - queuing statistics
53 * @qlen: queue length
54 * @backlog: backlog size of queue
55 * @drops: number of dropped packets
56 * @requeues: number of requeues
57 * @overlimits: number of enqueues over the limit
58 */
59struct gnet_stats_queue {
60	__u32	qlen;
61	__u32	backlog;
62	__u32	drops;
63	__u32	requeues;
64	__u32	overlimits;
65};
66
67/**
68 * struct gnet_estimator - rate estimator configuration
69 * @interval: sampling period
70 * @ewma_log: the log of measurement window weight
71 */
72struct gnet_estimator {
73	signed char	interval;
74	unsigned char	ewma_log;
75};
76
77
78#endif /* __LINUX_GEN_STATS_H */
79