# PG lossless profiles.
# speed cable size    xon    xoff   threshold
   1000 5m    32768   18432  14336  0
  10000 5m    34816   18432  16384  0
  25000 5m    38912   18432  20480  0
  40000 5m    41984   18432  23552  0
  50000 5m    44032   18432  25600  0
 100000 5m    55296   18432  36864  0
 200000 5m    77824   18432  59392  0
   1000 40m   33792   18432  15360  0
  10000 40m   36864   18432  18432  0
  25000 40m   43008   18432  24576  0
  40000 40m   49152   18432  30720  0
  50000 40m   53248   18432  34816  0
 100000 40m   72704   18432  54272  0
 200000 40m   112640  18432  94208  0
   1000 300m  34816   18432  16384  0
  10000 300m  50176   18432  31744  0
  25000 300m  75776   18432  57344  0
  40000 300m  101376  18432  82944  0
  50000 300m  117760  18432  99328  0
 100000 300m  202752  18432  184320 0
 200000 300m  373760  18432  355328 0