/*- * 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 /** * 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