[dpdk-dev] [PATCH] net/qede: release port upon close

[Rasesh Mody <rmody@marvell.com>]

Set RTE_ETH_DEV_CLOSE_REMOVE upon probe so all the private resources
for the port can be freed by rte_eth_dev_close(). With this change the
private port resources are released in the .dev_close callback.

Signed-off-by: Rasesh Mody <rmody@marvell.com>
---
 drivers/net/qede/qede_ethdev.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 59f1746ee..b9e28a671 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -1550,6 +1550,10 @@ static void qede_dev_close(struct rte_eth_dev *eth_dev)
 
 	PMD_INIT_FUNC_TRACE(edev);
 
+	/* only close in case of the primary process */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return;
+
 	/* dev_stop() shall cleanup fp resources in hw but without releasing
 	 * dma memories and sw structures so that dev_start() can be called
 	 * by the app without reconfiguration. However, in dev_close() we
@@ -1586,6 +1590,10 @@ static void qede_dev_close(struct rte_eth_dev *eth_dev)
 
 	if (ECORE_IS_CMT(edev))
 		rte_eal_alarm_cancel(qede_poll_sp_sb_cb, (void *)eth_dev);
+
+	eth_dev->dev_ops = NULL;
+	eth_dev->rx_pkt_burst = NULL;
+	eth_dev->tx_pkt_burst = NULL;
 }
 
 static int
@@ -2701,6 +2709,11 @@ static int qede_common_dev_init(struct rte_eth_dev *eth_dev, bool is_vf)
 		adapter->ipgre.enable = false;
 	}
 
+	/* Pass the information to the rte_eth_dev_close() that it should also
+	 * release the private port resources.
+	 */
+	eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+
 	DP_INFO(edev, "MAC address : %02x:%02x:%02x:%02x:%02x:%02x\n",
 		adapter->primary_mac.addr_bytes[0],
 		adapter->primary_mac.addr_bytes[1],
@@ -2735,20 +2748,8 @@ static int qede_dev_common_uninit(struct rte_eth_dev *eth_dev)
 {
 	struct qede_dev *qdev = eth_dev->data->dev_private;
 	struct ecore_dev *edev = &qdev->edev;
-
 	PMD_INIT_FUNC_TRACE(edev);
-
-	/* only uninitialize in the primary process */
-	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
-		return 0;
-
-	/* safe to close dev here */
 	qede_dev_close(eth_dev);
-
-	eth_dev->dev_ops = NULL;
-	eth_dev->rx_pkt_burst = NULL;
-	eth_dev->tx_pkt_burst = NULL;
-
 	return 0;
 }
 
-- 
2.18.1