Re: [PATCH net-next v5 06/12] net: pse-pd: Add support for budget evaluation strategies

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On Tue, 25 Feb 2025 10:25:58 +0100 Kory Maincent wrote:
> On Mon, 24 Feb 2025 13:45:22 -0800
> Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
> 
> > > No they can't for now. Even different PSE power domains within the same PSE
> > > controller. I will make it explicit.    
> > 
> > Sounds like the property is placed at the wrong level of the hierarchy,
> > then.  
> 
> When a PSE controller appears to be able to support mixed budget strategy and
> could switch between them it will be better to have it set at the PSE power
> domain level. As the budget is per PSE power domain, its strategy should also
> be per PSE power domain.
> For now, it is simply not configurable and can't be mixed. It is hard-coded by
> the PSE driver.

Yes, but uAPI is forever. We will have to live with those domain
attributes duplicated on each port. Presumably these port attributes
will never support a SET operation, since the set should be towards 
the domain? The uAPI does not inspire confidence. If we need more
drivers to define a common API maybe a local sysfs API in the driver
will do?




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