X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=6e001243dba294fc0c71668a6a5b6fee91bbc326;hp=5617c472f445507c2162e181db1f065af1b7fa0e;hb=6b743ce4b5d67fdc64cafac13f551e1a8436cd7b;hpb=15bef10b28733e4871459f3ec8c7adbf30e2ff96

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 5617c472f4..6e001243db 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -1680,6 +1680,7 @@ class InterfaceUtil(object):
         :type osi_layer: str
         :returns: Virtual Function topology interface keys.
         :rtype: list
+        :raises RuntimeError: If a reason preventing initialization is found.
         """
         ssh = SSH()
         ssh.connect(node)
@@ -1689,6 +1690,10 @@ class InterfaceUtil(object):
         pf_mac_addr = Topology.get_interface_mac(node, ifc_key).split(":")
         uio_driver = Topology.get_uio_driver(node)
         kernel_driver = Topology.get_interface_driver(node, ifc_key)
+        if kernel_driver != "i40e":
+            raise RuntimeError(
+                "AVF needs i40e driver, not {driver} at node {host} ifc {ifc}"\
+                .format(driver=kernel_driver, host=node["host"], ifc=ifc_key))
         current_driver = DUTSetup.get_pci_dev_driver(
             node, pf_pci_addr.replace(':', r'\:'))