net/mlx5: fix invalid network interface index

[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 5057561..f9bc473 100644 (file)
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -255,6 +255,9 @@ mlx5_tx_uar_remap(struct rte_eth_dev *dev, int fd)
        struct mlx5_txq_ctrl *txq_ctrl;
        int already_mapped;
        size_t page_size = sysconf(_SC_PAGESIZE);
+#ifndef RTE_ARCH_64
+       unsigned int lock_idx;
+#endif
 
        memset(pages, 0, priv->txqs_n * sizeof(uintptr_t));
        /*
@@ -281,7 +284,7 @@ mlx5_tx_uar_remap(struct rte_eth_dev *dev, int fd)
                }
                /* new address in reserved UAR address space. */
                addr = RTE_PTR_ADD(priv->uar_base,
-                                  uar_va & (MLX5_UAR_SIZE - 1));
+                                  uar_va & (uintptr_t)(MLX5_UAR_SIZE - 1));
                if (!already_mapped) {
                        pages[pages_n++] = uar_va;
                        /* fixed mmap to specified address in reserved
@@ -305,6 +308,12 @@ mlx5_tx_uar_remap(struct rte_eth_dev *dev, int fd)
                else
                        assert(txq_ctrl->txq.bf_reg ==
                               RTE_PTR_ADD((void *)addr, off));
+#ifndef RTE_ARCH_64
+               /* Assign a UAR lock according to UAR page number */
+               lock_idx = (txq_ctrl->uar_mmap_offset / page_size) &
+                          MLX5_UAR_PAGE_NUM_MASK;
+               txq->uar_lock = &priv->uar_lock[lock_idx];
+#endif
        }
        return 0;
 }
@@ -511,6 +520,8 @@ mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
        rte_atomic32_inc(&txq_ibv->refcnt);
        if (qp.comp_mask & MLX5DV_QP_MASK_UAR_MMAP_OFFSET) {
                txq_ctrl->uar_mmap_offset = qp.uar_mmap_offset;
+               DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%lx",
+                       dev->data->port_id, txq_ctrl->uar_mmap_offset);
        } else {
                DRV_LOG(ERR,
                        "port %u failed to retrieve UAR info, invalid"