Function mana_dev_start

dpdk/drivers/net/mana/mana.c:181–235

}

static int
mana_dev_start(struct rte_eth_dev *dev)
{
	int ret;
	struct mana_priv *priv = dev->data->dev_private;

	rte_spinlock_init(&priv->mr_btree_lock);
	ret = mana_mr_btree_init(&priv->mr_btree, MANA_MR_BTREE_CACHE_N,
				 dev->device->numa_node);
	if (ret) {
		DRV_LOG(ERR, "Failed to init device MR btree %d", ret);
		return ret;
	}

	ret = mana_start_tx_queues(dev);
	if (ret) {
		DRV_LOG(ERR, "failed to start tx queues %d", ret);
		goto failed_tx;
	}

	ret = mana_start_rx_queues(dev);
	if (ret) {
		DRV_LOG(ERR, "failed to start rx queues %d", ret);
		goto failed_rx;
	}

	rte_wmb();

	dev->tx_pkt_burst = mana_tx_burst;
	dev->rx_pkt_burst = mana_rx_burst;

	DRV_LOG(INFO, "TX/RX queues have started");

	/* Enable datapath for secondary processes */
	mana_mp_req_on_rxtx(dev, MANA_MP_REQ_START_RXTX);

	ret = rxq_intr_enable(priv);
	if (ret) {
		DRV_LOG(ERR, "Failed to enable RX interrupts");
		goto failed_intr;
	}

	return 0;

failed_intr:
	mana_stop_rx_queues(dev);

failed_rx:
	mana_stop_tx_queues(dev);

failed_tx:
	mana_mr_btree_free(&priv->mr_btree);

	return ret;
}

static int
mana_dev_stop(struct rte_eth_dev *dev)