Now we can totally hide it from modules. tcf_hash_*() API's
will operate on struct tc_action, modules don't need to care about
the details.
Cc: Jamal Hadi Salim
Cc: David S. Miller
Signed-off-by: Cong Wang
Signed-off-by: Jamal Hadi Salim
Signed-off-by: David S. Miller