Imported Upstream version 16.11.2

[deb_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 439908f..c286367 100644 (file)
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -496,6 +496,19 @@ mlx5_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
                }
                (*priv->txqs)[idx] = NULL;
                txq_cleanup(txq_ctrl);
+               /* Resize if txq size is changed. */
+               if (txq_ctrl->txq.elts_n != log2above(desc)) {
+                       txq_ctrl = rte_realloc(txq_ctrl,
+                                              sizeof(*txq_ctrl) +
+                                              desc * sizeof(struct rte_mbuf *),
+                                              RTE_CACHE_LINE_SIZE);
+                       if (!txq_ctrl) {
+                               ERROR("%p: unable to reallocate queue index %u",
+                                       (void *)dev, idx);
+                               priv_unlock(priv);
+                               return -ENOMEM;
+                       }
+               }
        } else {
                txq_ctrl =
                        rte_calloc_socket("TXQ", 1,