1 #ifndef __LINUX_GEN_STATS_H
2 #define __LINUX_GEN_STATS_H
3 
4 #include <linux/types.h>
5 
6 enum {
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  */
21 struct gnet_stats_basic {
22 	__u64	bytes;
23 	__u32	packets;
24 };
25 struct 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  */
35 struct 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  */
48 struct 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  */
61 struct gnet_estimator {
62 	signed char	interval;
63 	unsigned char	ewma_log;
64 };
65 
66 
67 #endif /* __LINUX_GEN_STATS_H */
68