Re: [PATCH net-next v5 07/13] net: ethtool: Introduce a command to list PHYs on an interface

[Andrew Lunn]

> > Another option might be to add PHY support to netdevsim. Add a debugfs
> > interface to allow you to create arbitrary PHY topologies? You can
> > then even add a test script.
> 
> Sorry for the delayed answer, I just took a few hours to give it a try,
> and I was able to spin some very basic PHY support for the netdevsim,
> allowing to attach arbitrary instances of fixed_phy devices. I can
> therefore use that as a mean of testing the dump operation, I'll try to
> include that in the next iteration, that should pave the way for some
> testability of more PHY stuff hopefully.

Great that you looked at this.

FYI: Jakub would like to see changes to netdevsim accompanied with
self tests making you of the features you add. There is also now a
build bot running the self tests against net-next, so these tests
should get run quite frequently.

       Andrew