Port capacity is partitioned into 16 pools (pool 0 through pool 15).
This attribute specifies the percentage of port capacity that is
allowed for each pool. The percentage for each pool ranges from
0% to 1000%. It allows for under or over subscription of the port.
Under subscription occurs when the sum of the percentage assigned
to the 16 pools is less than 100%. Over subscription occurs when
the sum of the percentage for the 16 pools exceeds 100%. The sum
of the percentage assigned to the 16 pools cannot exceed 1000%.
The default is full sharing of port capacity without pre-set partitions
between transfer priorities.