Re: net: dsa: mv88e6xxx architecture

Luke Howard
2024-12-20T22:59:43Z

>> The catch is what to do with frames that share a priority with an AVB
>> class but are not negotiated by SRP. These frames could crowd out
>> frames from AVB streams. Marvell’s solution is a flag in the ATU which
>> indicates that the DA was added by SRP.
>
> Can you please state in a vendor-agnostic way what does the switch do
> with that information, how does it treat those streams specially?

Frames that are part of a stream (as identified by DA, VID and PCP) egress through designated priority queues.

Frames that are not part of a stream, but otherwise have a matching priority, can be discarded or have their priority remarked.