Function ixgbe_check_supported_loopback_mode

dpdk/drivers/net/ixgbe/ixgbe_rxtx.c:5353–5367

* Check if requested loopback mode is supported */

 * Check if requested loopback mode is supported
 */
int
ixgbe_check_supported_loopback_mode(struct rte_eth_dev *dev)
{
	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);

	if (dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_TX_RX)
		if (hw->mac.type == ixgbe_mac_82599EB ||
		     hw->mac.type == ixgbe_mac_X540 ||
		     hw->mac.type == ixgbe_mac_X550 ||
		     hw->mac.type == ixgbe_mac_X550EM_x ||
		     hw->mac.type == ixgbe_mac_X550EM_a)
			return 0;

	return -ENOTSUP;
}

/*
 * Set up link for 82599 loopback mode Tx->Rx.