[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / gen_stats.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_GEN_STATS_H
#define __LINUX_GEN_STATS_H

#include <linux/types.h>

enum {
	TCA_STATS_UNSPEC,
	TCA_STATS_BASIC,
	TCA_STATS_RATE_EST,
	TCA_STATS_QUEUE,
	TCA_STATS_APP,
	TCA_STATS_RATE_EST64,
	TCA_STATS_PAD,
	__TCA_STATS_MAX,
};
#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)

/**
 * struct gnet_stats_basic - byte/packet throughput statistics
 * @bytes: number of seen bytes
 * @packets: number of seen packets
 */
struct gnet_stats_basic {
	__u64	bytes;
	__u32	packets;
};
struct gnet_stats_basic_packed {
	__u64	bytes;
	__u32	packets;
} __attribute__ ((packed));

/**
 * struct gnet_stats_rate_est - rate estimator
 * @bps: current byte rate
 * @pps: current packet rate
 */
struct gnet_stats_rate_est {
	__u32	bps;
	__u32	pps;
};

/**
 * struct gnet_stats_rate_est64 - rate estimator
 * @bps: current byte rate
 * @pps: current packet rate
 */
struct gnet_stats_rate_est64 {
	__u64	bps;
	__u64	pps;
};

/**
 * struct gnet_stats_queue - queuing statistics
 * @qlen: queue length
 * @backlog: backlog size of queue
 * @drops: number of dropped packets
 * @requeues: number of requeues
 * @overlimits: number of enqueues over the limit
 */
struct gnet_stats_queue {
	__u32	qlen;
	__u32	backlog;
	__u32	drops;
	__u32	requeues;
	__u32	overlimits;
};

/**
 * struct gnet_estimator - rate estimator configuration
 * @interval: sampling period
 * @ewma_log: the log of measurement window weight
 */
struct gnet_estimator {
	signed char	interval;
	unsigned char	ewma_log;
};


#endif /* __LINUX_GEN_STATS_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
1da177e4 LT	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,
45203a3b	13	TCA_STATS_RATE_EST64,
9854518e	14	TCA_STATS_PAD,
1da177e4 LT	15	__TCA_STATS_MAX,
	16	};
	17	#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
	18
	19	/**
	20	* struct gnet_stats_basic - byte/packet throughput statistics
	21	* @bytes: number of seen bytes
	22	* @packets: number of seen packets
	23	*/
d94d9fee	24	struct gnet_stats_basic {
c1a8f1f1 ED	25	__u64 bytes;
	26	__u32 packets;
	27	};
d94d9fee	28	struct gnet_stats_basic_packed {
1da177e4 LT	29	__u64 bytes;
1da177e4 LT	30	__u32 packets;
5e140dfc	31	} __attribute__ ((packed));
1da177e4 LT	32
	33	/**
	34	* struct gnet_stats_rate_est - rate estimator
	35	* @bps: current byte rate
	36	* @pps: current packet rate
	37	*/
d94d9fee	38	struct gnet_stats_rate_est {
1da177e4 LT	39	__u32 bps;
	40	__u32 pps;
	41	};
	42
45203a3b ED	43	/**
	44	* struct gnet_stats_rate_est64 - rate estimator
	45	* @bps: current byte rate
	46	* @pps: current packet rate
	47	*/
	48	struct gnet_stats_rate_est64 {
	49	__u64 bps;
	50	__u64 pps;
	51	};
	52
1da177e4 LT	53	/**
	54	* struct gnet_stats_queue - queuing statistics
	55	* @qlen: queue length
	56	* @backlog: backlog size of queue
	57	* @drops: number of dropped packets
	58	* @requeues: number of requeues
	59	* @overlimits: number of enqueues over the limit
	60	*/
d94d9fee	61	struct gnet_stats_queue {
1da177e4 LT	62	__u32 qlen;
	63	__u32 backlog;
	64	__u32 drops;
	65	__u32 requeues;
	66	__u32 overlimits;
	67	};
	68
	69	/**
	70	* struct gnet_estimator - rate estimator configuration
	71	* @interval: sampling period
	72	* @ewma_log: the log of measurement window weight
	73	*/
d94d9fee	74	struct gnet_estimator {
1da177e4 LT	75	signed char interval;
	76	unsigned char ewma_log;
	77	};
	78
	79
	80	#endif /* __LINUX_GEN_STATS_H */