Function cpfl_hairpin_bind

dpdk/drivers/net/cpfl/cpfl_ethdev.c:1200–1299

}

static int
cpfl_hairpin_bind(struct rte_eth_dev *dev, uint16_t rx_port)
{
	struct cpfl_vport *cpfl_tx_vport = dev->data->dev_private;
	struct idpf_vport *tx_vport = &cpfl_tx_vport->base;
	struct cpfl_vport *cpfl_rx_vport;
	struct cpfl_tx_queue *cpfl_txq;
	struct cpfl_rx_queue *cpfl_rxq;
	struct rte_eth_dev *peer_dev;
	struct idpf_vport *rx_vport;
	int err = 0;
	int i;

	err = cpfl_txq_hairpin_info_update(dev, rx_port);
	if (err != 0) {
		PMD_DRV_LOG(ERR, "Fail to update Tx hairpin queue info.");
		return err;
	}

	/* configure hairpin queues */
	for (i = cpfl_tx_vport->nb_data_txq; i < dev->data->nb_tx_queues; i++) {
		cpfl_txq = dev->data->tx_queues[i];
		err = cpfl_hairpin_txq_config(tx_vport, cpfl_txq);
		if (err != 0) {
			PMD_DRV_LOG(ERR, "Fail to configure hairpin Tx queue %u", i);
			return err;
		}
	}

	err = cpfl_hairpin_tx_complq_config(cpfl_tx_vport);
	if (err != 0) {
		PMD_DRV_LOG(ERR, "Fail to config Tx completion queue");
		return err;
	}

	peer_dev = &rte_eth_devices[rx_port];
	cpfl_rx_vport = (struct cpfl_vport *)peer_dev->data->dev_private;
	rx_vport = &cpfl_rx_vport->base;
	cpfl_rxq_hairpin_mz_bind(peer_dev);

	err = cpfl_hairpin_rx_bufq_config(cpfl_rx_vport);
	if (err != 0) {
		PMD_DRV_LOG(ERR, "Fail to config Rx buffer queue");
		return err;
	}

	for (i = cpfl_rx_vport->nb_data_rxq; i < peer_dev->data->nb_rx_queues; i++) {
		cpfl_rxq = peer_dev->data->rx_queues[i];
		err = cpfl_hairpin_rxq_config(rx_vport, cpfl_rxq);
		if (err != 0) {
			PMD_DRV_LOG(ERR, "Fail to configure hairpin Rx queue %u", i);
			return err;
		}
		err = cpfl_rx_queue_init(peer_dev, i);
		if (err != 0) {
			PMD_DRV_LOG(ERR, "Fail to init hairpin Rx queue %u", i);
			return err;
		}