numam-dpdk/lib/librte_bitratestats/rte_bitrate.h
Bruce Richardson 369991d997 lib: use SPDX tag for Intel copyright files
Replace the BSD license header with the SPDX tag for files
with only an Intel copyright on them.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2018-01-04 22:41:39 +01:00

66 lines
1.3 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Intel Corporation
*/
#ifndef _RTE_BITRATE_H_
#define _RTE_BITRATE_H_
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Bitrate statistics data structure.
* This data structure is intentionally opaque.
*/
struct rte_stats_bitrates;
/**
* Allocate a bitrate statistics structure
*
* @return
* - Pointer to structure on success
* - NULL on error (zmalloc failure)
*/
struct rte_stats_bitrates *rte_stats_bitrate_create(void);
/**
* Register bitrate statistics with the metric library.
*
* @param bitrate_data
* Pointer allocated by rte_stats_create()
*
* @return
* Zero on success
* Negative on error
*/
int rte_stats_bitrate_reg(struct rte_stats_bitrates *bitrate_data);
/**
* Calculate statistics for current time window. The period with which
* this function is called should be the intended sampling window width.
*
* @param bitrate_data
* Bitrate statistics data pointer
*
* @param port_id
* Port id to calculate statistics for
*
* @return
* - Zero on success
* - Negative value on error
*/
int rte_stats_bitrate_calc(struct rte_stats_bitrates *bitrate_data,
uint16_t port_id);
#ifdef __cplusplus
}
#endif
#endif /* _RTE_BITRATE_H_ */