ceph/src/spdk/dpdk/drivers/net/softnic/rte_eth_softnic.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #ifndef __INCLUDE_RTE_ETH_SOFTNIC_H__
   6 #define __INCLUDE_RTE_ETH_SOFTNIC_H__
   7
   8 #include <stdint.h>
   9
  10 #ifdef __cplusplus
  11 extern "C" {
  12 #endif
  13
  14 /** Firmware. */
  15 #ifndef SOFTNIC_FIRMWARE
  16 #define SOFTNIC_FIRMWARE                                   "firmware.cli"
  17 #endif
  18
  19 /** TCP connection port (0 = no connectivity). */
  20 #ifndef SOFTNIC_CONN_PORT
  21 #define SOFTNIC_CONN_PORT                                  0
  22 #endif
  23
  24 /** NUMA node ID. */
  25 #ifndef SOFTNIC_CPU_ID
  26 #define SOFTNIC_CPU_ID                                     0
  27 #endif
  28
  29 /**
  30  * Service cores:
  31  *
  32  * 0 = The current device is run explicitly by the application. The firmware
  33  *     creates one or several pipelines for the current device and maps them to
  34  *     CPU cores that should not be service cores. The application is required
  35  *     to call rte_pmd_softnic_run() for the current device on each of these CPU
  36  *     cores in order to make the current device work.
  37  *
  38  * 1 = The current device is run on the service cores transparently to the
  39  *     application. The firmware creates one or several pipelines for the
  40  *     current device and maps them to CPU cores that should be service cores.
  41  *     Each of these service cores is calling rte_pmd_softnic_run() for the
  42  *     current device in order to make the current device work. The application
  43  *     is not allowed to call rte_pmd_softnic_run() for the current device.
  44  */
  45 #ifndef SOFTNIC_SC
  46 #define SOFTNIC_SC                                         1
  47 #endif
  48
  49 /** Traffic Manager: Number of scheduler queues. */
  50 #ifndef SOFTNIC_TM_N_QUEUES
  51 #define SOFTNIC_TM_N_QUEUES                                (64 * 1024)
  52 #endif
  53
  54 /** Traffic Manager: Scheduler queue size (per traffic class). */
  55 #ifndef SOFTNIC_TM_QUEUE_SIZE
  56 #define SOFTNIC_TM_QUEUE_SIZE                              64
  57 #endif
  58
  59 /**
  60  * Soft NIC run.
  61  *
  62  * @param port_id
  63  *    Port ID of the Soft NIC device.
  64  * @return
  65  *    Zero on success, error code otherwise.
  66  */
  67 int
  68 rte_pmd_softnic_run(uint16_t port_id);
  69
  70 /**
  71  * Soft NIC manage.
  72  *
  73  * @param port_id
  74  *    Port ID of the Soft NIC device.
  75  * @return
  76  *    Zero on success, error code otherwise.
  77  */
  78 int __rte_experimental
  79 rte_pmd_softnic_manage(uint16_t port_id);
  80
  81 #ifdef __cplusplus
  82 }
  83 #endif
  84
  85 #endif /* __INCLUDE_RTE_ETH_SOFTNIC_H__ */