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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 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 _RTE_ETH_RING_H_
#define _RTE_ETH_RING_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <rte_ring.h>
/**
* Create a new ethdev port from a set of rings
*
* @param name
* name to be given to the new ethdev port
* @param rx_queues
* pointer to array of rte_rings to be used as RX queues
* @param nb_rx_queues
* number of elements in the rx_queues array
* @param tx_queues
* pointer to array of rte_rings to be used as TX queues
* @param nb_tx_queues
* number of elements in the tx_queues array
* @param numa_node
* the numa node on which the memory for this port is to be allocated
* @return
* the port number of the newly created the ethdev or -1 on error.
*/
int rte_eth_from_rings(const char *name,
struct rte_ring * const rx_queues[],
const unsigned nb_rx_queues,
struct rte_ring *const tx_queues[],
const unsigned nb_tx_queues,
const unsigned numa_node);
/**
* Create a new ethdev port from a ring
*
* This function is a shortcut call for rte_eth_from_rings for the
* case where one wants to take a single rte_ring and use it as though
* it were an ethdev
*
* @param ring
* the ring to be used as an ethdev
* @return
* the port number of the newly created ethdev, or -1 on error
*/
int rte_eth_from_ring(struct rte_ring *r);
#ifdef __cplusplus
}
#endif
#endif
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