Re: [Intel-wired-lan] [PATCH net-next 1/3] ice: add ice_adapter for shared data across PFs on the same NIC

[Jacob Keller]

On 2/26/2024 7:11 AM, Michal Schmidt wrote:
> There is a need for synchronization between ice PFs on the same physical
> adapter.
> 
> Add a "struct ice_adapter" for holding data shared between PFs of the
> same multifunction PCI device. The struct is refcounted - each ice_pf
> holds a reference to it.
> 
> Its first use will be for PTP. I expect it will be useful also to
> improve the ugliness that is ice_prot_id_tbl.
> 

We could alternatively have this be part of the ice PTP auxiliary bus
interface we added. However, I think a cross-adapter structure has uses
beyond just PTP and this implementation seems a bit more simple than the
auxiliary interface.