net/mlx5: fix Tx doorbell write memory barrier

[dpdk.git] / drivers / net / mlx5 / mlx5_txq.c

diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index a0d6164..1bf5ebe 100644 (file)
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -313,8 +313,10 @@ mlx5_tx_queue_release(void *dpdk_txq)
 static void
 txq_uar_ncattr_init(struct mlx5_txq_ctrl *txq_ctrl, size_t page_size)
 {
+       struct mlx5_priv *priv = txq_ctrl->priv;
        unsigned int cmd;
 
+       txq_ctrl->txq.db_heu = priv->config.dbnc == MLX5_TXDB_HEURISTIC;
        txq_ctrl->txq.db_nc = 0;
        /* Check the doorbell register mapping type. */
        cmd = txq_ctrl->uar_mmap_offset / page_size;