ceph/src/spdk/dpdk/lib/librte_node/rte_node_eth_api.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2020 Marvell International Ltd.
   3  */
   4
   5 #ifndef __INCLUDE_RTE_NODE_ETH_API_H__
   6 #define __INCLUDE_RTE_NODE_ETH_API_H__
   7
   8 /**
   9  * @file rte_node_eth_api.h
  10  *
  11  * @warning
  12  * @b EXPERIMENTAL: this API may change without prior notice
  13  *
  14  * This API allows to setup ethdev_rx and ethdev_tx nodes
  15  * and its queue associations.
  16  *
  17  */
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 #include <rte_common.h>
  24 #include <rte_mempool.h>
  25
  26 /**
  27  * Port config for ethdev_rx and ethdev_tx node.
  28  */
  29 struct rte_node_ethdev_config {
  30         uint16_t port_id;
  31         /**< Port identifier */
  32         uint16_t num_rx_queues;
  33         /**< Number of Rx queues. */
  34         uint16_t num_tx_queues;
  35         /**< Number of Tx queues. */
  36         struct rte_mempool **mp;
  37         /**< Array of mempools associated to Rx queue. */
  38         uint16_t mp_count;
  39         /**< Size of mp array. */
  40 };
  41
  42 /**
  43  * Initializes ethdev nodes.
  44  *
  45  * @param cfg
  46  *   Array of ethdev config that identifies which port's
  47  *   ethdev_rx and ethdev_tx nodes need to be created
  48  *   and queue association.
  49  * @param cnt
  50  *   Size of cfg array.
  51  * @param nb_graphs
  52  *   Number of graphs that will be used.
  53  *
  54  * @return
  55  *   0 on successful initialization, negative otherwise.
  56  */
  57 __rte_experimental
  58 int rte_node_eth_config(struct rte_node_ethdev_config *cfg,
  59                         uint16_t cnt, uint16_t nb_graphs);
  60 #ifdef __cplusplus
  61 }
  62 #endif
  63
  64 #endif /* __INCLUDE_RTE_NODE_ETH_API_H__ */