Function mrvl_dev_set_link_up

dpdk/drivers/net/mvpp2/mrvl_ethdev.c:614–644

* DPDK callback to bring the link up. * * @param dev * Pointer to Ethernet device structure. * * @return * 0 on success, negative error value otherwise. */

 *   0 on success, negative error value otherwise.
 */
static int
mrvl_dev_set_link_up(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	if (!priv->ppio) {
		dev->data->dev_link.link_status = RTE_ETH_LINK_UP;
		return 0;
	}

	ret = pp2_ppio_enable(priv->ppio);
	if (ret)
		return ret;

	/*
	 * mtu/mru can be updated if pp2_ppio_enable() was called at least once
	 * as pp2_ppio_enable() changes port->t_mode from default 0 to
	 * PP2_TRAFFIC_INGRESS_EGRESS.
	 *
	 * Set mtu to default DPDK value here.
	 */
	ret = mrvl_mtu_set(dev, dev->data->mtu);
	if (ret) {
		pp2_ppio_disable(priv->ppio);
		return ret;
	}

	dev->data->dev_link.link_status = RTE_ETH_LINK_UP;
	return 0;
}

/**
 * DPDK callback to bring the link down.