X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_txq.c;h=e9b837d10b60ce6c56cef27f4d6c5a5519e1255d;hb=2bc06869cd94195e986cfb7939a549d7050097e8;hp=bbfce756b06ab5b1446d3f1ada5e2fca32752d2b;hpb=6ce84bd889194b013fa597abcc6b8e00602dca58;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index bbfce756b0..e9b837d10b 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -532,6 +532,19 @@ 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,