[dpdk-dev] [PATCH v2 09/25] net/mlx4: release port upon close

Thomas Monjalon thomas at monjalon.net
Mon Sep 28 01:42:33 CEST 2020


The flag RTE_ETH_DEV_CLOSE_REMOVE is set so all port resources
can be freed by rte_eth_dev_close().

Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
---
 drivers/net/mlx4/mlx4.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index df59314b66..ad7c805d67 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -400,6 +400,8 @@ mlx4_dev_close(struct rte_eth_dev *dev)
 		MLX4_ASSERT(priv->ctx == NULL);
 	mlx4_intr_uninstall(priv);
 	memset(priv, 0, sizeof(*priv));
+	/* mac_addrs must not be freed because part of dev_private */
+	dev->data->mac_addrs = NULL;
 	return 0;
 }
 
@@ -1025,6 +1027,7 @@ mlx4_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 			ERROR("can not allocate rte ethdev");
 			goto port_error;
 		}
+		eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
 		eth_dev->data->dev_private = priv;
 		eth_dev->data->mac_addrs = priv->mac;
 		eth_dev->device = &pci_dev->device;
-- 
2.28.0



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