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-rw-r--r--resources/libraries/python/InterfaceUtil.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 2368ee3362..3ab96d1b4d 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -1884,12 +1884,20 @@ class InterfaceUtil:
node, pf_dev, state=u"up"
)
- DUTSetup.pci_vf_driver_unbind(node, pf_pci_addr, vf_id)
- DUTSetup.pci_vf_driver_bind(node, pf_pci_addr, vf_id, uio_driver)
+ vf_pci_addr = DUTSetup.get_virtfn_pci_addr(node, pf_pci_addr, vf_id)
+ current_driver = DUTSetup.get_pci_dev_driver(
+ node, vf_pci_addr.replace(":", r"\:")
+ )
+ if current_driver and current_driver != uio_driver:
+ DUTSetup.pci_vf_driver_unbind(
+ node, pf_pci_addr, vf_id
+ )
+ DUTSetup.pci_vf_driver_bind(
+ node, pf_pci_addr, vf_id, uio_driver
+ )
# Add newly created ports into topology file
vf_ifc_name = f"{ifc_key}_vif"
- vf_pci_addr = DUTSetup.get_virtfn_pci_addr(node, pf_pci_addr, vf_id)
vf_ifc_key = Topology.add_new_port(node, vf_ifc_name)
Topology.update_interface_name(
node, vf_ifc_key, vf_ifc_name+str(vf_id+1)