Qdisc: Dsmark

• Indices <number>: size of table of mask,value pair is 2^number

• default_index <0 .. indices - 1>: the default table entry index if classifier finds no match

• set_tc_index: instructs dsmark to retrieve the DS field and store it onto skb->tc_index

• mask <0 .. 0xff>: mask on DSCP (0xff)

• value <0 ..0xff>: value to or with (0)

• on exit, new DS field = (ds_field & mask) | value