Imported Upstream version 16.11.2

[deb_dpdk.git] / drivers / net / mlx5 / mlx5_rxq.c

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 28e93d3..118f6d6 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1247,6 +1247,19 @@ mlx5_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
                }
                (*priv->rxqs)[idx] = NULL;
                rxq_cleanup(rxq_ctrl);
+               /* Resize if rxq size is changed. */
+               if (rxq_ctrl->rxq.elts_n != log2above(desc)) {
+                       rxq_ctrl = rte_realloc(rxq_ctrl,
+                                              sizeof(*rxq_ctrl) +
+                                              desc * sizeof(struct rte_mbuf *),
+                                              RTE_CACHE_LINE_SIZE);
+                       if (!rxq_ctrl) {
+                               ERROR("%p: unable to reallocate queue index %u",
+                                       (void *)dev, idx);
+                               priv_unlock(priv);
+                               return -ENOMEM;
+                       }
+               }
        } else {
                rxq_ctrl = rte_calloc_socket("RXQ", 1, sizeof(*rxq_ctrl) +
                                             desc * sizeof(struct rte_mbuf *),