ceph/src/seastar/dpdk/lib/librte_port/rte_port_ethdev.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #ifndef __INCLUDE_RTE_PORT_ETHDEV_H__
   6 #define __INCLUDE_RTE_PORT_ETHDEV_H__
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 /**
  13  * @file
  14  * RTE Port Ethernet Device
  15  *
  16  * ethdev_reader: input port built on top of pre-initialized NIC RX queue
  17  * ethdev_writer: output port built on top of pre-initialized NIC TX queue
  18  *
  19  ***/
  20
  21 #include <stdint.h>
  22
  23 #include "rte_port.h"
  24
  25 /** ethdev_reader port parameters */
  26 struct rte_port_ethdev_reader_params {
  27         /** NIC RX port ID */
  28         uint16_t port_id;
  29
  30         /** NIC RX queue ID */
  31         uint16_t queue_id;
  32 };
  33
  34 /** ethdev_reader port operations */
  35 extern struct rte_port_in_ops rte_port_ethdev_reader_ops;
  36
  37 /** ethdev_writer port parameters */
  38 struct rte_port_ethdev_writer_params {
  39         /** NIC RX port ID */
  40         uint16_t port_id;
  41
  42         /** NIC RX queue ID */
  43         uint16_t queue_id;
  44
  45         /** Recommended burst size to NIC TX queue. The actual burst size can be
  46         bigger or smaller than this value. */
  47         uint32_t tx_burst_sz;
  48 };
  49
  50 /** ethdev_writer port operations */
  51 extern struct rte_port_out_ops rte_port_ethdev_writer_ops;
  52
  53 /** ethdev_writer_nodrop port parameters */
  54 struct rte_port_ethdev_writer_nodrop_params {
  55         /** NIC RX port ID */
  56         uint16_t port_id;
  57
  58         /** NIC RX queue ID */
  59         uint16_t queue_id;
  60
  61         /** Recommended burst size to NIC TX queue. The actual burst size can be
  62         bigger or smaller than this value. */
  63         uint32_t tx_burst_sz;
  64
  65         /** Maximum number of retries, 0 for no limit */
  66         uint32_t n_retries;
  67 };
  68
  69 /** ethdev_writer_nodrop port operations */
  70 extern struct rte_port_out_ops rte_port_ethdev_writer_nodrop_ops;
  71
  72 #ifdef __cplusplus
  73 }
  74 #endif
  75
  76 #endif