netdev - Re: [PATCH net-next] net: macb: Adding support for Jumbo Frames up to 10240 Bytes in SAMA5D2

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Message-ID: <20241004111359.GE1310185@kernel.org>
Date: Fri, 4 Oct 2024 12:13:59 +0100
From: Simon Horman <horms@...nel.org>
To: Aleksander Jan Bajkowski <olek2@...pl>
Cc: nicolas.ferre@...rochip.com, claudiu.beznea@...on.dev,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: macb: Adding support for Jumbo Frames up
 to 10240 Bytes in SAMA5D2

On Thu, Oct 03, 2024 at 07:19:41PM +0200, Aleksander Jan Bajkowski wrote:
> As per the SAMA5D2 device specification it supports Jumbo frames.
> But the suggested flag and length of bytes it supports was not updated
> in this driver config_structure.
> The maximum jumbo frames the device supports:
> 10240 bytes as per the device spec.
> 
> While changing the MTU value greater than 1500, it threw error:
> sudo ifconfig eth1 mtu 9000
> SIOCSIFMTU: Invalid argument
> 
> Add this support to driver so that it works as expected and designed.
> 
> Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>

Thanks Aleksander,

This appears to be consistent with:

233a15875396 ("net: macb: Adding Support for Jumbo Frames up to 10240 Bytes in SAMA5D3")

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