C++ (Cpp) E1000_DEV_PRIVATE_TO_VFTA示例

示例#1

文件： em_ethdev.c 项目： carriercomm/dpdkv7

	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
					*(uint64_t *)src) == 0)
		return -1;

	return 0;
}

static int
eth_em_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
		struct rte_eth_dev *eth_dev)
{
	struct rte_pci_device *pci_dev;
	struct e1000_hw *hw =
		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
	struct e1000_vfta * shadow_vfta =
		E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);

	pci_dev = eth_dev->pci_dev;
	eth_dev->dev_ops = &eth_em_ops;
	eth_dev->rx_pkt_burst = (eth_rx_burst_t)&eth_em_recv_pkts;
	eth_dev->tx_pkt_burst = (eth_tx_burst_t)&eth_em_xmit_pkts;

	/* for secondary processes, we don't initialise any further as primary
	 * has already done this work. Only check we don't need a different
	 * RX function */
	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
		if (eth_dev->data->scattered_rx)
			eth_dev->rx_pkt_burst =
				(eth_rx_burst_t)&eth_em_recv_scattered_pkts;
		return 0;
	}

示例#2

static int
eth_em_dev_init(struct rte_eth_dev *eth_dev)
{
	struct rte_pci_device *pci_dev;
	struct e1000_adapter *adapter =
		E1000_DEV_PRIVATE(eth_dev->data->dev_private);
	struct e1000_hw *hw =
		E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
	struct e1000_vfta * shadow_vfta =
		E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);

	pci_dev = eth_dev->pci_dev;

	eth_dev->dev_ops = &eth_em_ops;
	eth_dev->rx_pkt_burst = (eth_rx_burst_t)&eth_em_recv_pkts;
	eth_dev->tx_pkt_burst = (eth_tx_burst_t)&eth_em_xmit_pkts;

	/* for secondary processes, we don't initialise any further as primary
	 * has already done this work. Only check we don't need a different
	 * RX function */
	if (rte_eal_process_type() != RTE_PROC_PRIMARY){
		if (eth_dev->data->scattered_rx)
			eth_dev->rx_pkt_burst =
				(eth_rx_burst_t)&eth_em_recv_scattered_pkts;
		return 0;
	}

	rte_eth_copy_pci_info(eth_dev, pci_dev);

	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
	hw->device_id = pci_dev->id.device_id;
	adapter->stopped = 0;

	/* For ICH8 support we'll need to map the flash memory BAR */

	if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS ||
			em_hw_init(hw) != 0) {
		PMD_INIT_LOG(ERR, "port_id %d vendorID=0x%x deviceID=0x%x: "
			"failed to init HW",
			eth_dev->data->port_id, pci_dev->id.vendor_id,
			pci_dev->id.device_id);
		return -(ENODEV);
	}

	/* Allocate memory for storing MAC addresses */
	eth_dev->data->mac_addrs = rte_zmalloc("e1000", ETHER_ADDR_LEN *
			hw->mac.rar_entry_count, 0);
	if (eth_dev->data->mac_addrs == NULL) {
		PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
			"store MAC addresses",
			ETHER_ADDR_LEN * hw->mac.rar_entry_count);
		return -(ENOMEM);
	}

	/* Copy the permanent MAC address */
	ether_addr_copy((struct ether_addr *) hw->mac.addr,
		eth_dev->data->mac_addrs);

	/* initialize the vfta */
	memset(shadow_vfta, 0, sizeof(*shadow_vfta));

	PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
		     eth_dev->data->port_id, pci_dev->id.vendor_id,
		     pci_dev->id.device_id);

	rte_intr_callback_register(&(pci_dev->intr_handle),
		eth_em_interrupt_handler, (void *)eth_dev);

	return (0);
}