On Wed, Feb 06, 2019 at 09:45:35AM -0800, Florian Fainelli wrote: > In preparation for getting rid of switchdev_ops, create a dedicated NDO > operation for getting the port's parent identifier. There are > essentially two classes of drivers that need to implement getting the > port's parent ID which are VF/PF drivers with a built-in switch, and > pure switchdev drivers such as mlxsw, ocelot, dsa etc. > > We introduce a helper function: dev_get_port_parent_id() which supports > recursion into the lower devices to obtain the first port's parent ID. > > Convert the bridge, core and ipv4 multicast routing code to check for > such ndo_get_port_parent_id() and call the helper function when valid > before falling back to switchdev_port_attr_get(). This will allow us to > convert all relevant drivers in one go instead of having to implement > both switchdev_port_attr_get() and ndo_get_port_parent_id() operations, > then get rid of switchdev_port_attr_get(). > > Acked-by: Jiri Pirko <jiri@xxxxxxxxxxxx> > Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxxxx>
