1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #ifndef _RTE_ETH_RING_H_ 6 #define _RTE_ETH_RING_H_ 7 8 #include <rte_ring.h> 9 10 #ifdef __cplusplus 11 extern "C" { 12 #endif 13 14 /** 15 * Create a new ethdev port from a set of rings 16 * 17 * @param name 18 * name to be given to the new ethdev port 19 * @param rx_queues 20 * pointer to array of rte_rings to be used as RX queues 21 * @param nb_rx_queues 22 * number of elements in the rx_queues array 23 * @param tx_queues 24 * pointer to array of rte_rings to be used as TX queues 25 * @param nb_tx_queues 26 * number of elements in the tx_queues array 27 * @param numa_node 28 * the numa node on which the memory for this port is to be allocated 29 * @return 30 * the port number of the newly created the ethdev or -1 on error. 31 */ 32 int rte_eth_from_rings(const char *name, 33 struct rte_ring * const rx_queues[], 34 const unsigned nb_rx_queues, 35 struct rte_ring *const tx_queues[], 36 const unsigned nb_tx_queues, 37 const unsigned numa_node); 38 39 /** 40 * Create a new ethdev port from a ring 41 * 42 * This function is a shortcut call for rte_eth_from_rings for the 43 * case where one wants to take a single rte_ring and use it as though 44 * it were an ethdev 45 * 46 * @param ring 47 * the ring to be used as an ethdev 48 * @return 49 * the port number of the newly created ethdev, or -1 on error 50 */ 51 int rte_eth_from_ring(struct rte_ring *r); 52 53 #ifdef __cplusplus 54 } 55 #endif 56 57 #endif 58