net/i40e: relax barrier in Tx

[dpdk.git] / drivers / net / i40e / i40e_rxtx.c

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index f6d23c9..fdc1e00 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1248,7 +1248,8 @@ end_of_tx:
                   (unsigned) txq->port_id, (unsigned) txq->queue_id,
                   (unsigned) tx_id, (unsigned) nb_tx);
 
-       I40E_PCI_REG_WRITE(txq->qtx_tail, tx_id);
+       rte_cio_wmb();
+       I40E_PCI_REG_WRITE_RELAXED(txq->qtx_tail, tx_id);
        txq->tx_tail = tx_id;
 
        return nb_tx;