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Date:   Sat, 22 Aug 2020 18:34:08 +0200
From:   Andrew Lunn <>
To:     Mickey Rachamim <>
Cc:     Vadym Kochan <>,
        Jonathan McDowell <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Jiri Pirko <>,
        Ido Schimmel <>,
        Oleksandr Mazur <>,
        Serhiy Boiko <>,
        Serhiy Pshyk <>,
        Volodymyr Mytnyk <>,
        Taras Chornyi <>,
        Andrii Savka <>,
        "" <>,
        "" <>,
        Andy Shevchenko <>
Subject: Re: [EXT] Re: [net-next v4 1/6] net: marvell: prestera: Add driver
 for Prestera family ASIC devices

On Thu, Aug 20, 2020 at 10:00:21AM +0000, Mickey Rachamim wrote:

> > ASIC device specific handling is serviced by the firmware, current
> > driver's logic does not have PP specific code and relies on the FW
> > ABI which is PP-generic, and it looks like this how it should work
> > for boards with other ASICs, of course these boards should follow
> > the Marvell's Switchdev board design.  >
> All Marvell Prestera (DX) devices are all based on CPSS SDK. This is one SDK 
> and one build procedure that enables the Prestera driver to support all devices. 
> This unified support enables us (and our customers) to have one SW 
> implementation that will support variety of Prestera devices in same build/real-time 
> execution. 
> This approach also lead us with the implementation of the Prestera Switchdev drivers.
> As having detailed familiarity (20Y) with Marvell Prestera old/current/future devices - 
> this approach will be kept strictly also on the future.

So if i understand this correctly, the compatibility is not to
Prestera, but to the firmware running on the Prestera? You want to
express a compatibility to the ABI this firmware supports for the
switchdev driver to use?


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