linux-kernel - Re: [PATCH net-next 0/2] extend bit width in the flow director of HNS3 driver

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Message-ID: <aXd0QSip2AcefqT2@horms.kernel.org>
Date: Mon, 26 Jan 2026 14:03:45 +0000
From: Simon Horman <horms@...nel.org>
To: Jijie Shao <shaojijie@...wei.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, andrew+netdev@...n.ch, shenjian15@...wei.com,
	liuyonglong@...wei.com, chenhao418@...wei.com, lantao5@...wei.com,
	huangdonghua3@...artners.com, yangshuaisong@...artners.com,
	jonathan.cameron@...wei.com, salil.mehta@...wei.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 0/2] extend bit width in the flow director of
 HNS3 driver

On Fri, Jan 23, 2026 at 05:47:54PM +0800, Jijie Shao wrote:
> The bit widths of HCLGE_FD_AD_QID and HCLGE_FD_AD_COUNTER_NUM are
> increased to support higher specifications.
> 
> Note: The hardware already supports the specifications.

Hi Jijie,

Are there any compatibility issues here?
E.g. new driver with old hardware or firmware?