net/mlx5: add new memory region support

[dpdk.git] / drivers / net / mlx5 / mlx5_rxtx.c

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 56c2434..4a4113f 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -1965,6 +1965,9 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
                 * changes.
                 */
                wqe->addr = rte_cpu_to_be_64(rte_pktmbuf_mtod(rep, uintptr_t));
+               /* If there's only one MR, no need to replace LKey in WQE. */
+               if (unlikely(mlx5_mr_btree_len(&rxq->mr_ctrl.cache_bh) > 1))
+                       wqe->lkey = mlx5_rx_mb2mr(rxq, rep);
                if (len > DATA_LEN(seg)) {
                        len -= DATA_LEN(seg);
                        ++NB_SEGS(pkt);