smoketest: vif: T3570: fix vlan interface MTU test for pseudo-ethernet interfaces

The MTU size of the source-interface must be greater or equal to the MTU of the
pseudo ethernet interface.

2 files changed, 14 insertions, 4 deletions

diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py
index 44f99ffab..7f69b8444 100644
--- a/smoketest/scripts/cli/base_interfaces_test.py
+++ b/smoketest/scripts/cli/base_interfaces_test.py
@@ -323,6 +323,10 @@ class BasicInterfaceTest:
                 self.cli_set(base + ['mtu', mtu_1500])
                 for option in self._options.get(interface, []):
                     self.cli_set(base + option.split())
+                    if 'source-interface' in option:
+                        iface = option.split()[-1]
+                        iface_type = Section.section(iface)
+                        self.cli_set(['interfaces', iface_type, iface, 'mtu', mtu_9000])
 
                 for vlan in self._vlan_range:
                     base = self._base_path + [interface, 'vif', vlan]
@@ -350,7 +354,7 @@ class BasicInterfaceTest:
                     self.assertEqual(tmp['mtu'], int(mtu_9000))
 
 
-        def test_vif_qos_change(self):
+        def test_vif_8021q_qos_change(self):
             # XXX: This testcase is not allowed to run as first testcase, reason
             # is the Wireless test will first load the wifi kernel hwsim module
             # which creates a wlan0 and wlan1 interface which will fail the
diff --git a/smoketest/scripts/cli/test_interfaces_bridge.py b/smoketest/scripts/cli/test_interfaces_bridge.py
index 6865d3a8a..4f7e03298 100755
--- a/smoketest/scripts/cli/test_interfaces_bridge.py
+++ b/smoketest/scripts/cli/test_interfaces_bridge.py
@@ -135,12 +135,18 @@ class BridgeInterfaceTest(BasicInterfaceTest.TestCase):
             base = self._base_path + [interface]
             self.cli_set(base + ['enable-vlan'])
         super().test_vif_8021q_lower_up_down()
-    
-    def test_vif_qos_change(self):
+
+    def test_vif_8021q_qos_change(self):
+        for interface in self._interfaces:
+            base = self._base_path + [interface]
+            self.cli_set(base + ['enable-vlan'])
+        super().test_vif_8021q_qos_change()
+
+    def test_vif_8021q_mtu_limits(self):
         for interface in self._interfaces:
             base = self._base_path + [interface]
             self.cli_set(base + ['enable-vlan'])
-        super().test_vif_qos_change()
+        super().test_vif_8021q_mtu_limits()
 
     def test_bridge_vlan_filter(self):
         vif_vlan = 2