New upstream version 18.08

[deb_dpdk.git] / drivers / net / mlx5 / mlx5_rxtx_vec.h

diff --git a/drivers/net/mlx5/mlx5_rxtx_vec.h b/drivers/net/mlx5/mlx5_rxtx_vec.h
index 44856bb..fb884f9 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx_vec.h
+++ b/drivers/net/mlx5/mlx5_rxtx_vec.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
+ * Copyright 2017 Mellanox Technologies, Ltd
  */
 
 #ifndef RTE_PMD_MLX5_RXTX_VEC_H_
@@ -87,21 +87,26 @@ mlx5_rx_replenish_bulk_mbuf(struct mlx5_rxq_data *rxq, uint16_t n)
        const uint16_t q_mask = q_n - 1;
        uint16_t elts_idx = rxq->rq_ci & q_mask;
        struct rte_mbuf **elts = &(*rxq->elts)[elts_idx];
-       volatile struct mlx5_wqe_data_seg *wq = &(*rxq->wqes)[elts_idx];
+       volatile struct mlx5_wqe_data_seg *wq =
+               &((volatile struct mlx5_wqe_data_seg *)rxq->wqes)[elts_idx];
        unsigned int i;
 
-       assert(n >= MLX5_VPMD_RXQ_RPLNSH_THRESH);
+       assert(n >= MLX5_VPMD_RXQ_RPLNSH_THRESH(q_n));
        assert(n <= (uint16_t)(q_n - (rxq->rq_ci - rxq->rq_pi)));
-       assert(MLX5_VPMD_RXQ_RPLNSH_THRESH > MLX5_VPMD_DESCS_PER_LOOP);
+       assert(MLX5_VPMD_RXQ_RPLNSH_THRESH(q_n) > MLX5_VPMD_DESCS_PER_LOOP);
        /* Not to cross queue end. */
        n = RTE_MIN(n - MLX5_VPMD_DESCS_PER_LOOP, q_n - elts_idx);
        if (rte_mempool_get_bulk(rxq->mp, (void *)elts, n) < 0) {
                rxq->stats.rx_nombuf += n;
                return;
        }
-       for (i = 0; i < n; ++i)
+       for (i = 0; i < n; ++i) {
                wq[i].addr = rte_cpu_to_be_64((uintptr_t)elts[i]->buf_addr +
                                              RTE_PKTMBUF_HEADROOM);
+               /* 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))
+                       wq[i].lkey = mlx5_rx_mb2mr(rxq, elts[i]);
+       }
        rxq->rq_ci += n;
        /* Prevent overflowing into consumed mbufs. */
        elts_idx = rxq->rq_ci & q_mask;