> What would be the best place to do a test before the link is getting up? > Can it be done in the phy core, or it should be done in the PHY driver? > > So far, no action except of logging these errors is needed. You could do it in the config_aneg callback. A kernel log entry is not very easy to use. You might want to see how easy it is to send a cable test result to userspace. Anything which is interested in this information can then listen for it. All the needed code is there, you will just need to rearrange it a bit. Andrew
