On Thu Sep 15 2022, Vladimir Oltean wrote: > On Thu, Sep 15, 2022 at 08:15:54AM +0200, Kurt Kanzenbach wrote: >> > So the maxSDU hardware register tracks exactly the L2 payload size, like >> > the software variable does, or does it include the Ethernet header size >> > and/or FCS? >> >> This is something I'm not sure about. I'll ask the HW engineer when he's >> back from vacation. > > You can also probably figure this out by limiting the max-sdu to a value > like 200 and seeing what frame sizes pass through. Oh, yes. I'll try that. Thanks, Kurt