[dpdk-dev] [PATCH 07/22] net/i40e: enable port detach on secondary process
Qi Zhang
qi.z.zhang at intel.com
Thu Jun 7 14:38:34 CEST 2018
Previously, detach port on secondary process will mess primary
process and cause same device can't be attached again, by take
advantage of rte_eth_release_port_local, we can support this with
minor change.
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 2 ++
drivers/net/i40e/i40e_ethdev_vf.c | 9 +++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 13c5d3296..1de3c1499 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -678,6 +678,8 @@ static int eth_i40e_pci_remove(struct rte_pci_device *pci_dev)
if (!ethdev)
return -ENODEV;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_local(ethdev);
if (ethdev->data->dev_flags & RTE_ETH_DEV_REPRESENTOR)
return rte_eth_dev_destroy(ethdev, i40e_vf_representor_uninit);
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 804e44530..2b1ece851 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1500,6 +1500,15 @@ static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
{
+ struct rte_eth_dev *ethdev;
+ ethdev = rte_eth_dev_allocated(pci_dev->device.name);
+
+ if (!ethdev)
+ return -ENODEV;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_local(ethdev);
+
return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
}
--
2.13.6
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