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SubjectRE: [EXT] Re: [PATCH net-next 5/7] net: marvell: prestera: add LAG support
Hi Andrew, Jakub, Tobias,

On Tuesday, February 9, 2021 7:35 PM Jakub Kicinski wrote:
> Sounds like we have 3 people who don't like FW-heavy designs dominating the kernel - this conversation can only go one way.
> Marvell, Plvision anything to share? AFAIU the values of Linux kernel are open source, healthy community, empowering users. With the SDK on the embedded CPU your driver does not seem to tick any of these boxes.

I'll try to share Marvell's insight and plans regarding our Prestera drivers;

We do understand the importance and the vision behind the open-source community - while being committed to quality, functionality and the developers/end-users.

We started working on the Prestera driver in Q2 2019. it took us more than a year to get the first approved driver into 5.10, and we just started.
Right at the beginning - we implemented PP function into the Kernel driver like the SDMA operation (This is the RX/TX DMA engine).
Yet, the FW itself - is an SW package that supports many Marvell Prestera Switching families of devices - this is a significant SW package that will take many working years to adapt to the Kernel environment.
We do plan to port more and more PP functions as Kernel drivers along the way.

We also are working with the community to extend Kernel functionality with a new feature beneficial to all Kernel users (e.g. Devlink changes) and we will continue to do it.
By extending the Prestera driver to in-kernel implementation with more PP features - we will simplify the FW logic and enables cost-effective solutions to the market/developers.


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