On 4/15/2021 2:26 AM, Tobias Waldekranz wrote:
> All devices are capable of using regular DSA tags. Support for
> Ethertyped DSA tags sort into three categories:
>
> 1. No support. Older chips fall into this category.
>
> 2. Full support. Datasheet explicitly supports configuring the CPU
> port to receive FORWARDs with a DSA tag.
>
> 3. Undocumented support. Datasheet lists the configuration from
> category 2 as "reserved for future use", but does empirically
> behave like a category 2 device.
>
> So, instead of listing the one true protocol that should be used by a
> particular chip, specify the level of support for EDSA (support for
> regular DSA is implicit on all chips). As before, we use EDSA for all
> chips that fully supports it.
>
> In upcoming changes, we will use this information to support
> dynamically changing the tag protocol.
>
> Signed-off-by: Tobias Waldekranz <tob...@waldekranz.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
--
Florian