On Sun, 10 May 2020 21:12:29 +0200 Andrew Lunn wrote: > any copper Ethernet PHY have support for performing diagnostics of > the cable. Are the cable shorted, broken, not plugged into anything at > the other end? And they can report roughly how far along the cable any > fault is. > > Add infrastructure in ethtool and phylib support for triggering a > cable test and reporting the results. The Marvell 1G PHY driver is > then extended to make use of this infrastructure. > > For testing, a modified ethtool(1) can be found here: > https://github.com/lunn/ethtool.git feature/cable-test-v4. This also > contains extra code for TDR dump, which will be added to the kernel in > a later patch series. > > Thanks to Chris Healy for extensive testing.
👍👍 Applied, I'll push out once builds are done (probably an hour). Thank you!