netdev - Re: [PATCH v3 net-next 03/10] net: dsa: add ops for devlink-sb

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Message-ID: <7e36b837-3e0f-df60-14c0-6c028b8bbf9c@gmail.com>
Date:   Fri, 8 Jan 2021 10:31:51 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vladimir Oltean <olteanv@...il.com>, netdev@...r.kernel.org
Cc:     alexandre.belloni@...tlin.com, andrew@...n.ch,
        vivien.didelot@...il.com, alexandru.marginean@....com,
        claudiu.manoil@....com, xiaoliang.yang_1@....com,
        hongbo.wang@....com, kuba@...nel.org, jiri@...nulli.us,
        idosch@...sch.org, UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH v3 net-next 03/10] net: dsa: add ops for devlink-sb



On 1/8/2021 9:59 AM, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> Switches that care about QoS might have hardware support for reserving
> buffer pools for individual ports or traffic classes, and configuring
> their sizes and thresholds. Through devlink-sb (shared buffers), this is
> all configurable, as well as their occupancy being viewable.
> 
> Add the plumbing in DSA for these operations.
> 
> Individual drivers still need to call devlink_sb_register() with the
> shared buffers they want to expose. A helper was not created in DSA for
> this purpose (unlike, say, dsa_devlink_params_register), since in my
> opinion it does not bring any benefit over plainly calling
> devlink_sb_register() directly.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian