MLX5E_TC_FLOW_ID_MASK
reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK);
if (act->mark & ~MLX5E_TC_FLOW_ID_MASK) {
skb->mark = be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK;