[dpdk-dev] [PATCH 1/2 v3] fm10k: Free queues when close port

[Michael Qiu]

When close a port, lots of memory should be released,
such as software rings, queues, etc.

Signed-off-by: Michael Qiu <michael.qiu at intel.com>
---
 drivers/net/fm10k/fm10k_ethdev.c | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 4afd5ab..6a14633 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -52,6 +52,10 @@

 static void fm10k_close_mbx_service(struct fm10k_hw *hw);

+static void fm10k_tx_queue_release(void *queue);
+
+static void fm10k_rx_queue_release(void *queue);
+
 static void
 fm10k_mbx_initlock(struct fm10k_hw *hw)
 {
@@ -665,11 +669,37 @@ fm10k_dev_stop(struct rte_eth_dev *dev)

        PMD_INIT_FUNC_TRACE();

-       for (i = 0; i < dev->data->nb_tx_queues; i++)
-               fm10k_dev_tx_queue_stop(dev, i);
+       if (dev->data->tx_queues)
+               for (i = 0; i < dev->data->nb_tx_queues; i++)
+                       fm10k_dev_tx_queue_stop(dev, i);
+
+       if (dev->data->rx_queues)
+               for (i = 0; i < dev->data->nb_rx_queues; i++)
+                       fm10k_dev_rx_queue_stop(dev, i);
+}

-       for (i = 0; i < dev->data->nb_rx_queues; i++)
-               fm10k_dev_rx_queue_stop(dev, i);
+static void
+fm10k_dev_queue_release(struct rte_eth_dev *dev)
+{
+       int i;
+
+       PMD_INIT_FUNC_TRACE();
+
+       if (dev->data->tx_queues) {
+               for (i = 0; i < dev->data->nb_tx_queues; i++)
+                       fm10k_tx_queue_release(dev->data->tx_queues[i]);
+               rte_free(dev->data->tx_queues);
+               dev->data->tx_queues = NULL;
+               dev->data->nb_tx_queues = 0;
+       }
+
+       if (dev->data->rx_queues) {
+               for (i = 0; i < dev->data->nb_rx_queues; i++)
+                       fm10k_rx_queue_release(dev->data->rx_queues[i]);
+               rte_free(dev->data->rx_queues);
+               dev->data->rx_queues = NULL;
+               dev->data->nb_rx_queues = 0;
+       }
 }

 static void
@@ -682,6 +712,7 @@ fm10k_dev_close(struct rte_eth_dev *dev)
        /* Stop mailbox service first */
        fm10k_close_mbx_service(hw);
        fm10k_dev_stop(dev);
+       fm10k_dev_queue_release(dev);
        fm10k_stop_hw(hw);
 }

-- 
1.9.3