Expose the necessary tc classifier functions and wire up cls_api to use
direct calls in retpoline kernels.
Signed-off-by: NPedro Tammela <pctammela@mojatatu.com>
Reviewed-by: NJamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: NVictor Nogueira <victor@mojatatu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>