linux-kernel - Re: [PATCH iwl-net v1] igc: Use 5KB TX packet buffer per queue for TSN mode

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Message-ID: <aS8Xk-CeuEG2ptmf@horms.kernel.org>
Date: Tue, 2 Dec 2025 16:45:07 +0000
From: Simon Horman <horms@...nel.org>
To: Chwee-Lin Choong <chwee.lin.choong@...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>,
	intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Bouska@....codeaurora.org,
	Zdenek <zdenek.bouska@...mens.com>,
	Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>
Subject: Re: [PATCH iwl-net v1] igc: Use 5KB TX packet buffer per queue for
 TSN mode

On Tue, Dec 02, 2025 at 08:23:51PM +0800, Chwee-Lin Choong wrote:
> Update IGC_TXPBSIZE_TSN to allocate 5KB per TX queue (TXQ0-TXQ3)
> as recommended in I225/I226 SW User Manual Section 7.5.4 for TSN
> operation.
> 
> Fixes: 0d58cdc902da ("igc: optimize TX packet buffer utilization for TSN mode")
> Reported-by: Bouska, Zdenek <zdenek.bouska@...mens.com>
> Closes: https://lore.kernel.org/netdev/AS1PR10MB5675DBFE7CE5F2A9336ABFA4EBEAA@AS1PR10MB5675.EURPRD10.PROD.OUTLOOK.COM/
> Signed-off-by: Chwee-Lin Choong <chwee.lin.choong@...el.com>

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