FIX: Race condition

avf tests works, but vfio-pci tests are following, the interfaces must
be in down state (ideally unbind, as vpp cannot pick them).

Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: I77af85ec4239059a5455ef68683ca129548bd7bd

diff --git a/resources/libraries/python/DUTSetup.py b/resources/libraries/python/DUTSetup.py
index 28b3626..396029a 100644 (file)
--- a/resources/libraries/python/DUTSetup.py
+++ b/resources/libraries/python/DUTSetup.py
@@ -429,6 +429,18 @@ class DUTSetup:
             node, command, timeout=120, sudo=True, message=message
         )
 
+    @staticmethod
+    def pci_driver_unbind_list(node, *pci_addrs):
+        """Unbind PCI devices from current driver on node.
+
+        :param node: DUT node.
+        :param pci_addrs: PCI device addresses.
+        :type node: dict
+        :type pci_addrs: list
+        """
+        for pci_addr in pci_addrs:
+            DUTSetup.pci_driver_unbind(node, pci_addr)
+
     @staticmethod
     def pci_driver_bind(node, pci_addr, driver):
         """Bind PCI device to driver on node.

diff --git a/resources/libraries/robot/shared/interfaces.robot b/resources/libraries/robot/shared/interfaces.robot
index cd14e89..4fdc1ee 100644 (file)
--- a/resources/libraries/robot/shared/interfaces.robot
+++ b/resources/libraries/robot/shared/interfaces.robot
@@ -117,6 +117,8 @@
 | | ${index}= | Get Index From List | ${TEST TAGS} | DPDK
 | | Run Keyword If | ${index} >= 0 | Return From Keyword
 | | FOR | ${dut} | IN | @{duts}
+| | | Stop VPP Service | ${nodes['${dut}']}
+| | | PCI Driver Unbind List | ${nodes['${dut}']} | @{${dut}_pf_pci}
 | | | Run keyword | ${dut}.Add DPDK Dev | @{${dut}_pf_pci}
 | | | Run Keyword If | ${dpdk_no_tx_checksum_offload}
 | | | ... | ${dut}.Add DPDK No Tx Checksum Offload