On Mon, Aug 21, 2023 at 07:39:15PM -0400, Sean Anderson wrote: > Well, I think we should take the opportunity to think about the hardware > which exists and how we plan to model it. IMO grouping lanes into a > single phy simplifies both the phy driver and the mac driver. Ok, but ungrouped for backplane and grouped for !backplane? For the KR link modes, parallel link training, with separate consumers per lanes in a group, will be needed per lane.