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    switchdev: Pass original device to port netdev driver · 6ff64f6f
    Ido Schimmel 提交于
    switchdev drivers need to know the netdev on which the switchdev op was
    invoked. For example, the STP state of a VLAN interface configured on top
    of a port can change while being member in a bridge. In this case, the
    underlying driver should only change the STP state of that particular
    VLAN and not of all the VLANs configured on the port.
    
    However, current switchdev infrastructure only passes the port netdev down
    to the driver. Solve that by passing the original device down to the
    driver as part of the required switchdev object / attribute.
    
    This doesn't entail any change in current switchdev drivers. It simply
    enables those supporting stacked devices to know the originating device
    and act accordingly.
    Signed-off-by: NIdo Schimmel <idosch@mellanox.com>
    Signed-off-by: NJiri Pirko <jiri@mellanox.com>
    Signed-off-by: NDavid S. Miller <davem@davemloft.net>
    6ff64f6f
switchdev.h 8.9 KB