/* 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_BASIC_HW,

	TCA_STATS_PKT64,

	__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_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 */