In order to not deal with any marks from NAT and the IPS, this patch
adds masks to all places where packets are being marked for individual
QoS classes.
Instead of being able to use the "fw" match in tc, we have to use the
u32 to apply the mask.
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org> Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>