From: Ido Schimmel Date: Thu, 11 Oct 2018 07:47:52 +0000 (+0000) Subject: mlxsw: spectrum_switchdev: Check notification relevance based on upper device X-Git-Tag: v5.15~7641^2~101^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5050f6ae253ad1307af3486c26fc4f94287078b7;p=platform%2Fkernel%2Flinux-starfive.git mlxsw: spectrum_switchdev: Check notification relevance based on upper device VxLAN FDB updates are sent with the VxLAN device which is not our upper and will therefore be ignored by current code. Solve this by checking whether the upper device (bridge) is our upper. Signed-off-by: Ido Schimmel Reviewed-by: Petr Machata Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index c9c605f..9edaec9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -2344,8 +2344,15 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused, struct net_device *dev = switchdev_notifier_info_to_dev(ptr); struct mlxsw_sp_switchdev_event_work *switchdev_work; struct switchdev_notifier_fdb_info *fdb_info = ptr; + struct net_device *br_dev; - if (!mlxsw_sp_port_dev_lower_find_rcu(dev)) + /* Tunnel devices are not our uppers, so check their master instead */ + br_dev = netdev_master_upper_dev_get_rcu(dev); + if (!br_dev) + return NOTIFY_DONE; + if (!netif_is_bridge_master(br_dev)) + return NOTIFY_DONE; + if (!mlxsw_sp_port_dev_lower_find_rcu(br_dev)) return NOTIFY_DONE; switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);