From 066d2be8b3d57b2171aa2056c7d953810f50dcb8 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Fri, 19 Dec 2025 21:19:11 +0100 Subject: bond: T8084: disallow bond members that do not support MAC changes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Building on commit ba60266ab1896 (“ethernet: T8084: prevent MAC changes on ENA interfaces (AWS EC2)”), add safeguards to prevent interfaces from being used as bond members if they: * do not support MAC address changes, or * appear on a denylist of interfaces invalid for bonding (currently empty) --- python/vyos/ethtool.py | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'python') diff --git a/python/vyos/ethtool.py b/python/vyos/ethtool.py index 76c5b29f0..d0495df43 100644 --- a/python/vyos/ethtool.py +++ b/python/vyos/ethtool.py @@ -28,6 +28,7 @@ _drivers_without_speed_duplex_flow = ['vmxnet3', 'virtio_net', 'xen_netfront', _drivers_without_mac_change = ['ena'] # enable interface bonding will change the interface MAC address, thus all drivers # not supporting MAC address change, also do not support bonding +_drivers_without_bonding_support = _drivers_without_mac_change + [] class Ethtool: """ @@ -230,3 +231,7 @@ class Ethtool: def check_mac_change(self) -> bool: """ Check if ethernet drivers supports changing MAC address """ return bool(self.get_driver_name() not in _drivers_without_mac_change) + + def check_bonding(self) -> bool: + """ Check if ethernet drivers supports bonding """ + return bool(self.get_driver_name() not in _drivers_without_bonding_support) -- cgit v1.2.3