/usr/include/dpdk/rte_port_fd.h is in libdpdk-dev 17.11.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* BSD LICENSE
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __INCLUDE_RTE_PORT_FD_H__
#define __INCLUDE_RTE_PORT_FD_H__
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file
* RTE Port FD Device
*
* fd_reader: input port built on top of valid non-blocking file descriptor
* fd_writer: output port built on top of valid non-blocking file descriptor
*
***/
#include <stdint.h>
#include <rte_mempool.h>
#include "rte_port.h"
/** fd_reader port parameters */
struct rte_port_fd_reader_params {
/** File descriptor */
int fd;
/** Maximum Transfer Unit (MTU) */
uint32_t mtu;
/** Pre-initialized buffer pool */
struct rte_mempool *mempool;
};
/** fd_reader port operations */
extern struct rte_port_in_ops rte_port_fd_reader_ops;
/** fd_writer port parameters */
struct rte_port_fd_writer_params {
/** File descriptor */
int fd;
/**< Recommended write burst size. The actual burst size can be
* bigger or smaller than this value.
*/
uint32_t tx_burst_sz;
};
/** fd_writer port operations */
extern struct rte_port_out_ops rte_port_fd_writer_ops;
/** fd_writer_nodrop port parameters */
struct rte_port_fd_writer_nodrop_params {
/** File descriptor */
int fd;
/**< Recommended write burst size. 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;
};
/** fd_writer_nodrop port operations */
extern struct rte_port_out_ops rte_port_fd_writer_nodrop_ops;
#ifdef __cplusplus
}
#endif
#endif
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