drivers/net/ngbe/ngbe_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
   3  * Copyright(c) 2010-2017 Intel Corporation
   4  */
   5
   6 #include <errno.h>
   7 #include <rte_common.h>
   8 #include <ethdev_pci.h>
   9
  10 #include "ngbe_logs.h"
  11 #include "ngbe.h"
  12 #include "ngbe_ethdev.h"
  13
  14 static int ngbe_dev_close(struct rte_eth_dev *dev);
  15
  16 /*
  17  * The set of PCI devices this driver supports
  18  */
  19 static const struct rte_pci_id pci_id_ngbe_map[] = {
  20         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2) },
  21         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A2S) },
  22         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4) },
  23         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A4S) },
  24         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2) },
  25         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL2S) },
  26         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4) },
  27         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL4S) },
  28         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860NCSI) },
  29         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1) },
  30         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860A1L) },
  31         { RTE_PCI_DEVICE(PCI_VENDOR_ID_WANGXUN, NGBE_DEV_ID_EM_WX1860AL_W) },
  32         { .vendor_id = 0, /* sentinel */ },
  33 };
  34
  35 static int
  36 eth_ngbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
  37 {
  38         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
  39         struct ngbe_hw *hw = ngbe_dev_hw(eth_dev);
  40         int err;
  41
  42         PMD_INIT_FUNC_TRACE();
  43
  44         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  45                 return 0;
  46
  47         rte_eth_copy_pci_info(eth_dev, pci_dev);
  48
  49         /* Vendor and Device ID need to be set before init of shared code */
  50         hw->device_id = pci_dev->id.device_id;
  51         hw->vendor_id = pci_dev->id.vendor_id;
  52         hw->sub_system_id = pci_dev->id.subsystem_device_id;
  53         ngbe_map_device_id(hw);
  54         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
  55
  56         /* Initialize the shared code (base driver) */
  57         err = ngbe_init_shared_code(hw);
  58         if (err != 0) {
  59                 PMD_INIT_LOG(ERR, "Shared code init failed: %d", err);
  60                 return -EIO;
  61         }
  62
  63         return 0;
  64 }
  65
  66 static int
  67 eth_ngbe_dev_uninit(struct rte_eth_dev *eth_dev)
  68 {
  69         PMD_INIT_FUNC_TRACE();
  70
  71         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  72                 return 0;
  73
  74         ngbe_dev_close(eth_dev);
  75
  76         return -EINVAL;
  77 }
  78
  79 static int
  80 eth_ngbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  81                 struct rte_pci_device *pci_dev)
  82 {
  83         return rte_eth_dev_create(&pci_dev->device, pci_dev->device.name,
  84                         sizeof(struct ngbe_adapter),
  85                         eth_dev_pci_specific_init, pci_dev,
  86                         eth_ngbe_dev_init, NULL);
  87 }
  88
  89 static int eth_ngbe_pci_remove(struct rte_pci_device *pci_dev)
  90 {
  91         struct rte_eth_dev *ethdev;
  92
  93         ethdev = rte_eth_dev_allocated(pci_dev->device.name);
  94         if (ethdev == NULL)
  95                 return 0;
  96
  97         return rte_eth_dev_destroy(ethdev, eth_ngbe_dev_uninit);
  98 }
  99
 100 static struct rte_pci_driver rte_ngbe_pmd = {
 101         .id_table = pci_id_ngbe_map,
 102         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 103         .probe = eth_ngbe_pci_probe,
 104         .remove = eth_ngbe_pci_remove,
 105 };
 106
 107 /*
 108  * Reset and stop device.
 109  */
 110 static int
 111 ngbe_dev_close(struct rte_eth_dev *dev)
 112 {
 113         PMD_INIT_FUNC_TRACE();
 114
 115         RTE_SET_USED(dev);
 116
 117         return -EINVAL;
 118 }
 119
 120 RTE_PMD_REGISTER_PCI(net_ngbe, rte_ngbe_pmd);
 121 RTE_PMD_REGISTER_PCI_TABLE(net_ngbe, pci_id_ngbe_map);
 122 RTE_PMD_REGISTER_KMOD_DEP(net_ngbe, "* igb_uio | uio_pci_generic | vfio-pci");
 123
 124 RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_init, init, NOTICE);
 125 RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_driver, driver, NOTICE);
 126
 127 #ifdef RTE_ETHDEV_DEBUG_RX
 128         RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_rx, rx, DEBUG);
 129 #endif
 130 #ifdef RTE_ETHDEV_DEBUG_TX
 131         RTE_LOG_REGISTER_SUFFIX(ngbe_logtype_tx, tx, DEBUG);
 132 #endif