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
7 enum {
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_MAX,
17 };
18 #define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
19
20 /**
21 * struct gnet_stats_basic - byte/packet throughput statistics
22 * @bytes: number of seen bytes
23 * @packets: number of seen packets
24 */
25 struct gnet_stats_basic {
26 __u64 bytes;
27 __u32 packets;
28 };
29 struct gnet_stats_basic_packed {
30 __u64 bytes;
31 __u32 packets;
32 } __attribute__ ((packed));
33
34 /**
35 * struct gnet_stats_rate_est - rate estimator
36 * @bps: current byte rate
37 * @pps: current packet rate
38 */
39 struct gnet_stats_rate_est {
40 __u32 bps;
41 __u32 pps;
42 };
43
44 /**
45 * struct gnet_stats_rate_est64 - rate estimator
46 * @bps: current byte rate
47 * @pps: current packet rate
48 */
49 struct gnet_stats_rate_est64 {
50 __u64 bps;
51 __u64 pps;
52 };
53
54 /**
55 * struct gnet_stats_queue - queuing statistics
56 * @qlen: queue length
57 * @backlog: backlog size of queue
58 * @drops: number of dropped packets
59 * @requeues: number of requeues
60 * @overlimits: number of enqueues over the limit
61 */
62 struct gnet_stats_queue {
63 __u32 qlen;
64 __u32 backlog;
65 __u32 drops;
66 __u32 requeues;
67 __u32 overlimits;
68 };
69
70 /**
71 * struct gnet_estimator - rate estimator configuration
72 * @interval: sampling period
73 * @ewma_log: the log of measurement window weight
74 */
75 struct gnet_estimator {
76 signed char interval;
77 unsigned char ewma_log;
78 };
79
80
81 #endif /* __LINUX_GEN_STATS_H */