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SubjectRe: [PATCH net-next 10/11] net: marvell: prestera: add storm control (rate limiter) implementation
On 09/06/2021 20:59, Ido Schimmel wrote:
> On Wed, Jun 09, 2021 at 06:16:00PM +0300, Oleksandr Mazur wrote:
>> Storm control (BUM) provides a mechanism to limit rate of ingress
>> port traffic (matched by type). Devlink port parameter API is used:
>> driver registers a set of per-port parameters that can be accessed to both
>> get/set per-port per-type rate limit.
>> Add new FW command - RATE_LIMIT_MODE_SET.
> This should be properly modeled in the bridge driver and offloaded to
> capable drivers via switchdev. Modeling it as a driver-specific devlink
> parameter is wrong.

Absolutely agree with Ido, there are many different ways to achieve it through
the bridge (e.g. generic bridge helpers to be used by bpf, directly by tc or new br tc hooks
to name a few). I'd personally be excited to see any of these implemented as they
could open the door for a lot other interesting use cases. Unfortunately I'm currently swamped
with per-vlan multicast support, after that depending on time availability I could look
into this unless someone beats me to it. :)


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