linux-kernel - Re: [net-next PATCH 0/5] octeontx2-pf: HTB offload support

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Message-ID: <20230112210738.72393731@kernel.org>
Date:   Thu, 12 Jan 2023 21:07:38 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Rahul Rameshbabu <rrameshbabu@...dia.com>
Cc:     Hariprasad Kelam <hkelam@...vell.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <davem@...emloft.net>,
        <pabeni@...hat.com>, <edumazet@...gle.com>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
        <sbhatta@...vell.com>
Subject: Re: [net-next PATCH 0/5] octeontx2-pf: HTB offload support

On Thu, 12 Jan 2023 23:01:15 +0530 Hariprasad Kelam wrote:
> octeontx2 silicon and CN10K transmit interface consists of five
> transmit levels starting from MDQ, TL4 to TL1. Once packets are
> submitted to MDQ, hardware picks all active MDQs using strict
> priority, and MDQs having the same priority level are chosen using
> round robin. Each packet will traverse MDQ, TL4 to TL1 levels.
> Each level contains an array of queues to support scheduling and
> shaping.
> 
> As HTB supports classful queuing mechanism by supporting rate and
> ceil and allow the user to control the absolute bandwidth to
> particular classes of traffic the same can be achieved by
> configuring shapers and schedulers on different transmit levels.
> 
> This series of patches adds support for HTB offload,
> 
> Patch1: Allow strict priority parameter in HTB offload mode.
> 
> Patch2: defines APIs such that the driver can dynamically initialize/
>         deinitialize the send queues.
> 
> Patch3: Refactors transmit alloc/free calls as preparation for QOS
>         offload code.
> 
> Patch4: Adds devlink support for the user to configure round-robin
>         priority at TL1
> 
> Patch5:  Adds actual HTB offload support.

Rahul, since you're working on fixing the HTB offload warn - 
would you mind reviewing this series?

https://lore.kernel.org/all/20230112173120.23312-1-hkelam@marvell.com/