Sat, Mar 24, 2018 at 03:40:02PM CET, and...@lunn.ch wrote: >> >The hardware and mechanical engineer is free to wire switch ports to >> >the front panel however they want. That is why we put the netdev name >> >in device tree. >> >> Got it. Hmm, so I think that the port number can be made optional and >> when it is present, it would be used to generate phys_port_name. If >> not, perhaps devlink port index could be used instead. >> >> So iiuc, you don't really need phys_port_name in dsa, as it provides >> misleading names, right? Why is it implemented then? > >Hi Jiri > >Isn't the same true for all devices? It is not just DSA devices where >the hardware engineer is free to wire up the front panel however they >want, it can happen for any device.
In mlxsw, driver queries the FW to get this info.