System calls ....
set_tcindex(char cmd, void *arg, int size).
This call sets up the tc_index classifier for the root dsmark queue. This call takes hash, mask, shift and also fall_through/pass_on flag along with other general parameters for setting up the classifier.
set_cbq (char cmd, void *arg, int size).
This call sets up the combinational CBQ in the architecture. This call takes bandwidth, rate, avpkt, mpu, cell and ewma values along with other general parameters in setting up the queuing discipline.