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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef __INCLUDE_RTE_PORT_RING_H__
#define __INCLUDE_RTE_PORT_RING_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file
* RTE Port Ring
*
* ring_reader:
* input port built on top of pre-initialized single consumer ring
* ring_writer:
* output port built on top of pre-initialized single producer ring
* ring_multi_reader:
* input port built on top of pre-initialized multi consumers ring
* ring_multi_writer:
* output port built on top of pre-initialized multi producers ring
*
***/
#include <stdint.h>
#include <rte_ring.h>
#include "rte_port.h"
/** ring_reader port parameters */
struct rte_port_ring_reader_params {
/** Underlying consumer ring that has to be pre-initialized */
struct rte_ring *ring;
};
/** ring_reader port operations */
extern struct rte_port_in_ops rte_port_ring_reader_ops;
/** ring_writer port parameters */
struct rte_port_ring_writer_params {
/** Underlying producer ring that has to be pre-initialized */
struct rte_ring *ring;
/** Recommended burst size to ring. The actual burst size can be
bigger or smaller than this value. */
uint32_t tx_burst_sz;
};
/** ring_writer port operations */
extern struct rte_port_out_ops rte_port_ring_writer_ops;
/** ring_writer_nodrop port parameters */
struct rte_port_ring_writer_nodrop_params {
/** Underlying producer ring that has to be pre-initialized */
struct rte_ring *ring;
/** Recommended burst size to ring. The actual burst size can be
bigger or smaller than this value. */
uint32_t tx_burst_sz;
/** Maximum number of retries, 0 for no limit */
uint32_t n_retries;
};
/** ring_writer_nodrop port operations */
extern struct rte_port_out_ops rte_port_ring_writer_nodrop_ops;
/** ring_multi_reader port parameters */
#define rte_port_ring_multi_reader_params rte_port_ring_reader_params
/** ring_multi_reader port operations */
extern struct rte_port_in_ops rte_port_ring_multi_reader_ops;
/** ring_multi_writer port parameters */
#define rte_port_ring_multi_writer_params rte_port_ring_writer_params
/** ring_multi_writer port operations */
extern struct rte_port_out_ops rte_port_ring_multi_writer_ops;
/** ring_multi_writer_nodrop port parameters */
#define rte_port_ring_multi_writer_nodrop_params \
rte_port_ring_writer_nodrop_params
/** ring_multi_writer_nodrop port operations */
extern struct rte_port_out_ops rte_port_ring_multi_writer_nodrop_ops;
#ifdef __cplusplus
}
#endif
#endif
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