netdev - Re: [PATCH net-next V5 00/11] net/mlx5: ConnectX-8 SW Steering + Rate management on traffic classes

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Message-ID: <20241209134141.508bb5be@kernel.org>
Date: Mon, 9 Dec 2024 13:41:41 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Tariq Toukan <ttoukan.linux@...il.com>
Cc: Tariq Toukan <tariqt@...dia.com>, "David S. Miller"
 <davem@...emloft.net>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet
 <edumazet@...gle.com>, Andrew Lunn <andrew+netdev@...n.ch>, Leon Romanovsky
 <leonro@...dia.com>, netdev@...r.kernel.org, Saeed Mahameed
 <saeedm@...dia.com>, Gal Pressman <gal@...dia.com>,
 linux-rdma@...r.kernel.org
Subject: Re: [PATCH net-next V5 00/11] net/mlx5: ConnectX-8 SW Steering +
 Rate management on traffic classes

On Mon, 9 Dec 2024 21:32:11 +0200 Tariq Toukan wrote:
> > Do you expect TC bw allocation to work on non-leaf nodes?
>
> Yes. That's the point. It works.

Let's level -- I'm not trying to be difficult, but you're defining
uAPI with little to no documentation. "It works" is not going to cut it.

> > How does this relate to the rate API which Paolo added? He was asked
> > to build in a way to integrate with devlink now devlink is growing
> > extra features again, which presumably the other API will also need.
> > And the integration may turn out to be challenging.
> 
> AFAIU Paolo's work is not for shapers 'above' the network device level, 
> i.e. groups.

What's the difference between queue group and a VF?