[PATCH v9 07/21] net/cpfl: support queue release

[Mingxia Liu]

Add support for queue operations:
 - rx_queue_release
 - tx_queue_release

Signed-off-by: Mingxia Liu <mingxia.liu at intel.com>
---
 drivers/net/cpfl/cpfl_ethdev.c |  2 ++
 drivers/net/cpfl/cpfl_rxtx.c   | 24 ++++++++++++++++++++++++
 drivers/net/cpfl/cpfl_rxtx.h   |  2 ++
 3 files changed, 28 insertions(+)

diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c
index 9aa95c1bb3..cb1ec6e674 100644
--- a/drivers/net/cpfl/cpfl_ethdev.c
+++ b/drivers/net/cpfl/cpfl_ethdev.c
@@ -289,6 +289,8 @@ static const struct eth_dev_ops cpfl_eth_dev_ops = {
 	.tx_queue_start			= cpfl_tx_queue_start,
 	.rx_queue_stop			= cpfl_rx_queue_stop,
 	.tx_queue_stop			= cpfl_tx_queue_stop,
+	.rx_queue_release		= cpfl_dev_rx_queue_release,
+	.tx_queue_release		= cpfl_dev_tx_queue_release,
 	.dev_supported_ptypes_get	= cpfl_dev_supported_ptypes_get,
 };
 
diff --git a/drivers/net/cpfl/cpfl_rxtx.c b/drivers/net/cpfl/cpfl_rxtx.c
index 08db01412e..f9295c970f 100644
--- a/drivers/net/cpfl/cpfl_rxtx.c
+++ b/drivers/net/cpfl/cpfl_rxtx.c
@@ -244,6 +244,12 @@ cpfl_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 	if (idpf_qc_rx_thresh_check(nb_desc, rx_free_thresh) != 0)
 		return -EINVAL;
 
+	/* Free memory if needed */
+	if (dev->data->rx_queues[queue_idx] != NULL) {
+		idpf_qc_rx_queue_release(dev->data->rx_queues[queue_idx]);
+		dev->data->rx_queues[queue_idx] = NULL;
+	}
+
 	/* Setup Rx queue */
 	rxq = rte_zmalloc_socket("cpfl rxq",
 				 sizeof(struct idpf_rx_queue),
@@ -409,6 +415,12 @@ cpfl_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 	if (idpf_qc_tx_thresh_check(nb_desc, tx_rs_thresh, tx_free_thresh) != 0)
 		return -EINVAL;
 
+	/* Free memory if needed. */
+	if (dev->data->tx_queues[queue_idx] != NULL) {
+		idpf_qc_tx_queue_release(dev->data->tx_queues[queue_idx]);
+		dev->data->tx_queues[queue_idx] = NULL;
+	}
+
 	/* Allocate the TX queue data structure. */
 	txq = rte_zmalloc_socket("cpfl txq",
 				 sizeof(struct idpf_tx_queue),
@@ -685,6 +697,18 @@ cpfl_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 	return 0;
 }
 
+void
+cpfl_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
+{
+	idpf_qc_rx_queue_release(dev->data->rx_queues[qid]);
+}
+
+void
+cpfl_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
+{
+	idpf_qc_tx_queue_release(dev->data->tx_queues[qid]);
+}
+
 void
 cpfl_stop_queues(struct rte_eth_dev *dev)
 {
diff --git a/drivers/net/cpfl/cpfl_rxtx.h b/drivers/net/cpfl/cpfl_rxtx.h
index e9b810deaa..f5882401dc 100644
--- a/drivers/net/cpfl/cpfl_rxtx.h
+++ b/drivers/net/cpfl/cpfl_rxtx.h
@@ -35,4 +35,6 @@ int cpfl_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
 void cpfl_stop_queues(struct rte_eth_dev *dev);
 int cpfl_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
 int cpfl_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+void cpfl_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
+void cpfl_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
 #endif /* _CPFL_RXTX_H_ */
-- 
2.34.1