netdev - Re: [PATCH v3 net-next 3/3] ionic: add support for device Component Memory Buffers

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Message-ID: <20230208215007.1c821ef3@kernel.org>
Date:   Wed, 8 Feb 2023 21:50:07 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Shannon Nelson <shannon.nelson@....com>
Cc:     <netdev@...r.kernel.org>, <davem@...emloft.net>,
        <drivers@...sando.io>
Subject: Re: [PATCH v3 net-next 3/3] ionic: add support for device Component
 Memory Buffers

On Tue, 7 Feb 2023 15:40:06 -0800 Shannon Nelson wrote:
> The ionic device has on-board memory (CMB) that can be used
> for descriptors as a way to speed descriptor access for faster
> traffic processing.  It is best used to improve latency and
> packets-per-second for some profiles of small packet traffic.
> It is not on by default, but can be enabled through the ethtool
> priv-flags when the interface is down.

Oh, completely missed this when looking at previous version.
This is ETHTOOL_A_RINGS_TX_PUSH right?

Could you take a look at what hns3 does to confirm?