netdev - Re: [PATCH iwl-next v3 7/7] igc: add preemptible queue support in mqprio

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Message-ID: <20250520081819.GS365796@horms.kernel.org>
Date: Tue, 20 May 2025 09:18:19 +0100
From: Simon Horman <horms@...nel.org>
To: "Abdul Rahim, Faizal" <faizal.abdul.rahim@...el.com>
Cc: Tony Nguyen <anthony.l.nguyen@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <vladimir.oltean@....com>,
	intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>,
	Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
	Chwee-Lin Choong <chwee.lin.choong@...el.com>
Subject: Re: [PATCH iwl-next v3 7/7] igc: add preemptible queue support in
 mqprio

On Mon, May 19, 2025 at 03:19:11AM -0400, Abdul Rahim, Faizal wrote:
> From: Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>
> 
> igc already supports enabling MAC Merge for FPE. This patch adds
> support for preemptible queues in mqprio.
> 
> Tested preemption with mqprio by:
> 1. Enable FPE:
>    ethtool --set-mm enp1s0 pmac-enabled on tx-enabled on verify-enabled on
> 2. Enable preemptible queue in mqprio:
>    mqprio num_tc 4 map 0 1 2 3 0 0 0 0 0 0 0 0 0 0 0 0 \
>    queues 1@0 1@1 1@2 1@3 \
>    fp P P P E
> 
> Signed-off-by: Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>

Reviewed-by: Simon Horman <horms@...nel.org>