vxlan: T2241: make address and bridge membership mutually exclusive

Bridge members should not have any addresses assigned.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py
index 334e418ab..5bf1f2fb6 100755
--- a/src/conf_mode/interfaces-vxlan.py
+++ b/src/conf_mode/interfaces-vxlan.py
@@ -122,7 +122,8 @@ def get_config():
         vxlan['ipv6_eui64_prefix'] = conf.return_values('ipv6 address eui64')
 
     # Remove the default link-local address if set.
-    if not conf.exists('ipv6 address no-default-link-local'):
+    if not ( conf.exists('ipv6 address no-default-link-local')
+            or vxlan['is_bridge_member'] ):
         # add the link-local by default to make IPv6 work
         vxlan['ipv6_eui64_prefix'].append('fe80::/64')
 
@@ -194,6 +195,14 @@ def verify(vxlan):
             raise ConfigError('VXLAN has a 50 byte overhead, underlaying device ' \
                               'MTU is to small ({})'.format(underlay_mtu))
 
+    if ( vxlan['is_bridge_member']
+            and ( vxlan['address']
+                or vxlan['ipv6_eui64_prefix']
+                or vxlan['ipv6_autoconf'] ) ):
+        raise ConfigError((
+            f'Cannot assign address to interface "{vxlan["intf"]}" '
+            f'as it is a member of bridge "{vxlan["is_bridge_member"]}"!'))
+
     return None