Re: [OE-core][PATCH] systemd: make predictable name mac policy opt-out

["Francesco Dolcini" <francesco@dolcini.it>]

Hello Marko and Ross

On Wed, Apr 10, 2024 at 06:04:30PM +0000, Marko, Peter wrote:
> From: Ross Burton <Ross.Burton@arm.com> 
> > On 8 Apr 2024, at 08:04, Peter Marko via lists.openembedded.org <peter.marko=siemens.com@lists.openembedded.org> wrote:
> > > From: Peter Marko <peter.marko@siemens.com>
> > > 
> > > Even the patch says it's inappropriate for upstream, and it's also
> > > inappropriate for some downstream projects, too.  So make it
> > > possible to opt-out on it.
> >
> > I’m looking at these patches because of the fallout from the use of
> > matches in the interfaces file.   Presumably you want to make this
> > opt-out for concrete reasons, can you explain what broke?
> 
> Basically, we have networkmanager and firewalld configuration matching
> interface names.  In addition, also our applications are hardcoding
> the interface names to be able to configure interfaces on demand.
> Switching to dynamic names is not realistic.
> 
> After upgrading from 5.0_M3 to 5.0_M4 our wlan0 interface gets renamed
> by udev and thus networking breaks.  Unlike our ethernet ports with
> names defined in device tree, wifi chip uses external vendor kernel
> module so I'm not sure if I'm able to configure a stable kernel name
> for it.

I can confirm that this is an issue also for my use case, for similar
reasons.

Francesco