net/e1000: fix memory barrier usage in Tx

[dpdk.git] / drivers / net / e1000 / em_rxtx.c

diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
index 5925e49..49c5371 100644 (file)
--- a/drivers/net/e1000/em_rxtx.c
+++ b/drivers/net/e1000/em_rxtx.c
@@ -2049,13 +2049,12 @@ e1000_flush_tx_ring(struct rte_eth_dev *dev)
                tx_desc->lower.data = rte_cpu_to_le_32(txd_lower | size);
                tx_desc->upper.data = 0;
 
-               rte_wmb();
+               rte_cio_wmb();
                txq->tx_tail++;
                if (txq->tx_tail == txq->nb_tx_desc)
                        txq->tx_tail = 0;
-               rte_io_wmb();
                tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(i));
-               E1000_PCI_REG_WRITE_RELAXED(tdt_reg_addr, txq->tx_tail);
+               E1000_PCI_REG_WRITE(tdt_reg_addr, txq->tx_tail);
                usec_delay(250);
        }
 }