linux-kernel - Re: [PATCH net V2] net: lan743x: Add set RFE read fifo threshold for PCI1x1x chips

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Message-ID: <20240327143029.GJ403975@kernel.org>
Date: Wed, 27 Mar 2024 14:30:29 +0000
From: Simon Horman <horms@...nel.org>
To: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
	pabeni@...hat.com, edumazet@...gle.com,
	linux-kernel@...r.kernel.org, bryan.whitehead@...rochip.com,
	UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net V2] net: lan743x: Add set RFE read fifo threshold for
 PCI1x1x chips

On Tue, Mar 26, 2024 at 12:28:05PM +0530, Raju Lakkaraju wrote:
> PCI11x1x Rev B0 devices might drop packets when receiving back to back frames
> at 2.5G link speed. Change the B0 Rev device's Receive filtering Engine FIFO
> threshold parameter from its hardware default of 4 to 3 dwords to prevent the
> problem. Rev C0 and later hardware already defaults to 3 dwords.
> 
> Fixes: bb4f6bffe33c ("net: lan743x: Add PCI11010 / PCI11414 device IDs")
> Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>

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