net/mlx5: fix Tx doorbell memory barrier

[dpdk.git] / drivers / net / mlx5 / mlx5_rxtx_vec_neon.h

diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
index da3c96f..55f0983 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
+++ b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
@@ -345,7 +345,7 @@ txq_burst_v(struct mlx5_txq_data *txq, struct rte_mbuf **pkts, uint16_t pkts_n,
        txq->wqe_ci += (nb_dword_in_hdr + pkts_n + (nb_dword_per_wqebb - 1)) /
                       nb_dword_per_wqebb;
        /* Ring QP doorbell. */
-       mlx5_tx_dbrec(txq, wqe);
+       mlx5_tx_dbrec_cond_wmb(txq, wqe, pkts_n < MLX5_VPMD_TX_MAX_BURST);
        return pkts_n;
 }