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SubjectRe: [RFC net-next 0/4] Marvell Prestera add policer support
On Fri, Jul 02, 2021 at 09:29:11PM +0300, Vadym Kochan wrote:
> From: Vadym Kochan <vkochan@marvell.com>
>
> Offload action police when keyed to a flower classifier.
> Only rate and burst is supported for now. The conform-exceed
> drop is assumed as a default value.
>
> Policer support requires FW 3.1 version. Because there are some FW ABI
> differences in ACL rule messages between 3.0 and 3.1 so added separate
> "_ext" struct version with separate HW helper.

This driver is less than a year old, and it is on its third ABI break?
It is accumulating more and more cruft as you need to handle old and
new messages. Maybe you should take a harder look into your crystal
ball and try to figure out an ABI which you can use for 12 months or
more? Or just directly address the hardware, and skip the firmware?

Andrew

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