dscp pfc
--------
dscp_pfc enabled(1)

dscp to priority mapping
------------------------
dscp  0..7    prios  0  0  0  0  0  0  0  0
dscp  8..15   prios  1  1  1  1  1  1  1  1
dscp  16..23  prios  2  2  2  2  2  2  2  2
dscp  24..31  prios  3  3  3  3  3  3  3  3
dscp  32..39  prios  4  4  4  4  4  4  4  4
dscp  40..47  prios  5  5  5  5  5  5  5  5
dscp  48..55  prios  6  6  6  6  6  6  6  6
dscp  56..63  prios  7  7  7  7  7  7  7  7
