> Are there really instances where the ethernet driver has to manage multiple > different types of PCSs? I am not sure this type of snippet of code is really > going to occur.
Hi Ioana The Marvell mv88e6390 family has three PCS's, one for SGMII/1000BaseX, a 10Gbase-X4/X2 and a 10GBAse-R. So this sort of code could appear. Andrew