Function idpf_dev_start

dpdk/drivers/net/idpf/idpf_ethdev.c:739–798

}

static int
idpf_dev_start(struct rte_eth_dev *dev)
{
	struct idpf_vport *vport = dev->data->dev_private;
	struct idpf_adapter *base = vport->adapter;
	struct idpf_adapter_ext *adapter = IDPF_ADAPTER_TO_EXT(base);
	uint16_t num_allocated_vectors = base->caps.num_allocated_vectors;
	uint16_t req_vecs_num;
	int ret;

	req_vecs_num = IDPF_DFLT_Q_VEC_NUM;
	if (req_vecs_num + adapter->used_vecs_num > num_allocated_vectors) {
		PMD_DRV_LOG(ERR, "The accumulated request vectors' number should be less than %d",
			    num_allocated_vectors);
		ret = -EINVAL;
		goto err_vec;
	}

	ret = idpf_vc_vectors_alloc(vport, req_vecs_num);
	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Failed to allocate interrupt vectors");
		goto err_vec;
	}
	adapter->used_vecs_num += req_vecs_num;

	ret = idpf_config_rx_queues_irqs(dev);
	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Failed to configure irqs");
		goto err_irq;
	}

	ret = idpf_start_queues(dev);
	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Failed to start queues");
		goto err_startq;
	}

	idpf_set_rx_function(dev);
	idpf_set_tx_function(dev);

	ret = idpf_vc_vport_ena_dis(vport, true);
	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Failed to enable vport");
		goto err_vport;
	}

	if (idpf_dev_stats_reset(dev))
		PMD_DRV_LOG(ERR, "Failed to reset stats");

	return 0;

err_vport:
	idpf_stop_queues(dev);
err_startq:
	idpf_vport_irq_unmap_config(vport, dev->data->nb_rx_queues);
err_irq:
	idpf_vc_vectors_dealloc(vport);
err_vec: