Function sfc_eth_dev_init

dpdk/drivers/net/sfc/sfc_ethdev.c:3109–3277

}

static int
sfc_eth_dev_init(struct rte_eth_dev *dev, void *init_params)
{
	struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
	struct sfc_ethdev_init_data *init_data = init_params;
	uint32_t logtype_main;
	struct sfc_adapter *sa;
	int rc;
	const efx_nic_cfg_t *encp;
	const struct rte_ether_addr *from;
	int ret;

	if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
			SFC_EFX_DEV_CLASS_NET) {
		SFC_GENERIC_LOG(DEBUG,
			"Incompatible device class: skip probing, should be probed by other sfc driver.");
		return 1;
	}

	rc = sfc_dp_mport_register();
	if (rc != 0)
		return rc;

	sfc_register_dp();

	logtype_main = sfc_register_logtype(&pci_dev->addr,
					    SFC_LOGTYPE_MAIN_STR,
					    RTE_LOG_NOTICE);

	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return -sfc_eth_dev_secondary_init(dev, logtype_main);

	/* Required for logging */
	ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix),
			"PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ",
			pci_dev->addr.domain, pci_dev->addr.bus,
			pci_dev->addr.devid, pci_dev->addr.function,
			dev->data->port_id);
	if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) {
		SFC_GENERIC_LOG(ERR,
			"reserved log prefix is too short for " PCI_PRI_FMT,
			pci_dev->addr.domain, pci_dev->addr.bus,
			pci_dev->addr.devid, pci_dev->addr.function);
		return -EINVAL;
	}
	sas->pci_addr = pci_dev->addr;
	sas->port_id = dev->data->port_id;

	/*
	 * Allocate process private data from heap, since it should not
	 * be located in shared memory allocated using rte_malloc() API.
	 */
	sa = calloc(1, sizeof(*sa));
	if (sa == NULL) {
		rc = ENOMEM;
		goto fail_alloc_sa;
	}