virtio: free queue memory when closing

Add function virtio_free_queues() and call from virtio_dev_close()
Use virtio_dev_rx_queue_release() and virtio_dev_tx_queue_release()

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 4d5412a..9ca9bb2 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -438,6 +438,22 @@ virtio_dev_cq_queue_setup(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx,
        return 0;
 }
 
+static void
+virtio_free_queues(struct rte_eth_dev *dev)
+{
+       unsigned int i;
+
+       for (i = 0; i < dev->data->nb_rx_queues; i++)
+               virtio_dev_rx_queue_release(dev->data->rx_queues[i]);
+
+       dev->data->nb_rx_queues = 0;
+
+       for (i = 0; i < dev->data->nb_tx_queues; i++)
+               virtio_dev_tx_queue_release(dev->data->tx_queues[i]);
+
+       dev->data->nb_tx_queues = 0;
+}
+
 static void
 virtio_dev_close(struct rte_eth_dev *dev)
 {
@@ -452,6 +468,7 @@ virtio_dev_close(struct rte_eth_dev *dev)
        vtpci_reset(hw);
        hw->started = 0;
        virtio_dev_free_mbufs(dev);
+       virtio_free_queues(dev);
 }
 
 static void