From 383af2dd4ab368368c954028e528a0e8634bba3b Mon Sep 17 00:00:00 2001
From: Christian Breunig <christian@breunig.cc>
Date: Fri, 28 Mar 2025 20:45:37 +0100
Subject: virtual-ethernet: T7293: add support to define interface MTU

---
 interface-definitions/interfaces_virtual-ethernet.xml.in | 4 ++++
 smoketest/scripts/cli/base_interfaces_test.py            | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/interface-definitions/interfaces_virtual-ethernet.xml.in b/interface-definitions/interfaces_virtual-ethernet.xml.in
index c4610feec..2dfbd50b8 100644
--- a/interface-definitions/interfaces_virtual-ethernet.xml.in
+++ b/interface-definitions/interfaces_virtual-ethernet.xml.in
@@ -21,6 +21,10 @@
           #include <include/interface/dhcp-options.xml.i>
           #include <include/interface/dhcpv6-options.xml.i>
           #include <include/interface/disable.xml.i>
+          #include <include/interface/mtu-68-16000.xml.i>
+          <leafNode name="mtu">
+            <defaultValue>1500</defaultValue>
+          </leafNode>
           #include <include/interface/netns.xml.i>
           #include <include/interface/vif-s.xml.i>
           #include <include/interface/vif.xml.i>
diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py
index 80d200e97..a9b758802 100644
--- a/smoketest/scripts/cli/base_interfaces_test.py
+++ b/smoketest/scripts/cli/base_interfaces_test.py
@@ -613,7 +613,7 @@ class BasicInterfaceTest:
         def test_mtu_1200_no_ipv6_interface(self):
             # Testcase if MTU can be changed to 1200 on non IPv6
             # enabled interfaces
-            if not self._test_mtu:
+            if not self._test_mtu or not self._test_ipv6:
                 self.skipTest('not supported')
 
             old_mtu = self._mtu
-- 
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