Function eth_dev_vhost_create

dpdk/drivers/net/vhost/rte_eth_vhost.c:1500–1567

};

static int
eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
	int16_t queues, const unsigned int numa_node, uint64_t flags,
	uint64_t disable_flags)
{
	const char *name = rte_vdev_device_name(dev);
	struct rte_eth_dev_data *data;
	struct pmd_internal *internal = NULL;
	struct rte_eth_dev *eth_dev = NULL;
	struct rte_ether_addr *eth_addr = NULL;

	VHOST_LOG(INFO, "Creating VHOST-USER backend on numa socket %u\n",
		numa_node);

	/* reserve an ethdev entry */
	eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internal));
	if (eth_dev == NULL)
		goto error;
	data = eth_dev->data;

	eth_addr = rte_zmalloc_socket(name, sizeof(*eth_addr), 0, numa_node);
	if (eth_addr == NULL)
		goto error;
	data->mac_addrs = eth_addr;
	*eth_addr = base_eth_addr;
	eth_addr->addr_bytes[5] = eth_dev->data->port_id;

	/* now put it all together
	 * - store queue data in internal,
	 * - point eth_dev_data to internals
	 * - and point eth_dev structure to new eth_dev_data structure
	 */
	internal = eth_dev->data->dev_private;
	internal->iface_name = rte_malloc_socket(name, strlen(iface_name) + 1,
						 0, numa_node);
	if (internal->iface_name == NULL)
		goto error;
	strcpy(internal->iface_name, iface_name);

	data->nb_rx_queues = queues;
	data->nb_tx_queues = queues;
	internal->max_queues = queues;
	internal->vid = -1;
	internal->flags = flags;
	internal->disable_flags = disable_flags;
	data->dev_link = pmd_link;
	data->dev_flags = RTE_ETH_DEV_INTR_LSC |
				RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
	data->promiscuous = 1;
	data->all_multicast = 1;

	eth_dev->dev_ops = &ops;
	eth_dev->rx_queue_count = eth_rx_queue_count;

	/* finally assign rx and tx ops */
	eth_dev->rx_pkt_burst = eth_vhost_rx;
	eth_dev->tx_pkt_burst = eth_vhost_tx;