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/* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP Packet IO
*/
#ifndef ODP_PACKET_IO_H_
#define ODP_PACKET_IO_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp_std_types.h>
#include <odp_platform_types.h>
#include <odp_buffer_pool.h>
#include <odp_packet.h>
#include <odp_queue.h>
/**
* Open an ODP packet IO instance
*
* @param dev Packet IO device
* @param pool Pool to use for packet IO
*
* @return ODP packet IO handle or ODP_PKTIO_INVALID on error
*/
odp_pktio_t odp_pktio_open(const char *dev, odp_buffer_pool_t pool);
/**
* Close an ODP packet IO instance
*
* @param id ODP packet IO handle
*
* @return 0 on success or -1 on error
*/
int odp_pktio_close(odp_pktio_t id);
/**
* Receive packets
*
* @param id ODP packet IO handle
* @param pkt_table[] Storage for received packets (filled by function)
* @param len Length of pkt_table[], i.e. max number of pkts to receive
*
* @return Number of packets received or -1 on error
*/
int odp_pktio_recv(odp_pktio_t id, odp_packet_t pkt_table[], unsigned len);
/**
* Send packets
*
* @param id ODP packet IO handle
* @param pkt_table[] Array of packets to send
* @param len length of pkt_table[]
*
* @return Number of packets sent or -1 on error
*/
int odp_pktio_send(odp_pktio_t id, odp_packet_t pkt_table[], unsigned len);
/**
* Set the default input queue to be associated with a pktio handle
*
* @param id ODP packet IO handle
* @param queue default input queue set
* @return 0 on success or -1 on error
*/
int odp_pktio_inq_setdef(odp_pktio_t id, odp_queue_t queue);
/**
* Get default input queue associated with a pktio handle
*
* @param id ODP packet IO handle
*
* @return Default input queue set or ODP_QUEUE_INVALID on error
*/
odp_queue_t odp_pktio_inq_getdef(odp_pktio_t id);
/**
* Remove default input queue (if set)
*
* @param id ODP packet IO handle
*
* @return 0 on success or -1 on error
*/
int odp_pktio_inq_remdef(odp_pktio_t id);
/**
* Query default output queue
*
* @param id ODP packet IO handle
*
* @return Default out queue or ODP_QUEUE_INVALID on error
*/
odp_queue_t odp_pktio_outq_getdef(odp_pktio_t id);
/**
* Defines the maximum length of mac address supported by this platform
*/
#define ODP_MAC_ADDR_MAX_LENGTH ETH_ALEN
/**
* Get mac address of the interface
*
* @param id ODP packet IO handle
* @param mac_addr Storage for Mac address of the packet IO interface
* Storage provided by the caller should be equal
* to ODP_MAC_ADDR_MAX_LENGTH (filled by function)
* @return 0 on success or -1 on error
**/
int odp_pktio_get_mac_addr(odp_pktio_t id, unsigned char *mac_addr);
#ifdef __cplusplus
}
#endif
#endif
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