drivers/net/cnxk/cn10k_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4 #include "cn10k_ethdev.h"
   5
   6 static int
   7 cn10k_nix_configure(struct rte_eth_dev *eth_dev)
   8 {
   9         struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
  10         int rc;
  11
  12         /* Common nix configure */
  13         rc = cnxk_nix_configure(eth_dev);
  14         if (rc)
  15                 return rc;
  16
  17         plt_nix_dbg("Configured port%d platform specific rx_offload_flags=%x"
  18                     " tx_offload_flags=0x%x",
  19                     eth_dev->data->port_id, dev->rx_offload_flags,
  20                     dev->tx_offload_flags);
  21         return 0;
  22 }
  23
  24 /* Update platform specific eth dev ops */
  25 static void
  26 nix_eth_dev_ops_override(void)
  27 {
  28         static int init_once;
  29
  30         if (init_once)
  31                 return;
  32         init_once = 1;
  33
  34         /* Update platform specific ops */
  35         cnxk_eth_dev_ops.dev_configure = cn10k_nix_configure;
  36 }
  37
  38 static int
  39 cn10k_nix_remove(struct rte_pci_device *pci_dev)
  40 {
  41         return cnxk_nix_remove(pci_dev);
  42 }
  43
  44 static int
  45 cn10k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
  46 {
  47         struct rte_eth_dev *eth_dev;
  48         int rc;
  49
  50         if (RTE_CACHE_LINE_SIZE != 64) {
  51                 plt_err("Driver not compiled for CN10K");
  52                 return -EFAULT;
  53         }
  54
  55         rc = roc_plt_init();
  56         if (rc) {
  57                 plt_err("Failed to initialize platform model, rc=%d", rc);
  58                 return rc;
  59         }
  60
  61         nix_eth_dev_ops_override();
  62
  63         /* Common probe */
  64         rc = cnxk_nix_probe(pci_drv, pci_dev);
  65         if (rc)
  66                 return rc;
  67
  68         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
  69                 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
  70                 if (!eth_dev)
  71                         return -ENOENT;
  72         }
  73         return 0;
  74 }
  75
  76 static const struct rte_pci_id cn10k_pci_nix_map[] = {
  77         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_PF),
  78         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_PF),
  79         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_VF),
  80         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_VF),
  81         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_AF_VF),
  82         CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_AF_VF),
  83         {
  84                 .vendor_id = 0,
  85         },
  86 };
  87
  88 static struct rte_pci_driver cn10k_pci_nix = {
  89         .id_table = cn10k_pci_nix_map,
  90         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
  91                      RTE_PCI_DRV_INTR_LSC,
  92         .probe = cn10k_nix_probe,
  93         .remove = cn10k_nix_remove,
  94 };
  95
  96 RTE_PMD_REGISTER_PCI(net_cn10k, cn10k_pci_nix);
  97 RTE_PMD_REGISTER_PCI_TABLE(net_cn10k, cn10k_pci_nix_map);
  98 RTE_PMD_REGISTER_KMOD_DEP(net_cn10k, "vfio-pci");