netdev - Re: [PATCH net-next 2/2] ethtool: use the rss context XArray in ring deactivation safety-check

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Message-ID: <f1673a26-6379-49ff-81de-0b703a6fa3e5@intel.com>
Date: Wed, 10 Jul 2024 13:14:56 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <edumazet@...gle.com>, <pabeni@...hat.com>,
	<przemyslaw.kitszel@...el.com>, <ecree.xilinx@...il.com>
Subject: Re: [PATCH net-next 2/2] ethtool: use the rss context XArray in ring
 deactivation safety-check



On 7/10/2024 10:40 AM, Jakub Kicinski wrote:
> ethtool_get_max_rxfh_channel() gets called when user requests
> deactivating Rx channels. Check the additional RSS contexts, too.
> 
> While we do track whether RSS context has an indirection
> table explicitly set by the user, no driver looks at that bit.
> Assume drivers won't auto-regenerate the additional tables,
> to be safe.
> 
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>
> ---

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>