Subject: Re: [PATCH v4 3/3] net: mvneta: disable IP checksum with jumbo frames for Armada 370

From: Thomas Petazzoni <[email-masked]>
Date: Tue, 30 Jun 2015 16:26:19 +0200

Dear Simon Guinot,

On Tue, 30 Jun 2015 16:20:22 +0200, Simon Guinot wrote:
> The Ethernet controller found in the Armada 370, 380 and 385 SoCs don't
> support TCP/IP checksumming with frame sizes larger than 1600 bytes.
> 
> This patch fixes the issue by disabling the features NETIF_F_IP_CSUM and
> NETIF_F_TSO for the Armada 370 and compatibles SoCs when the MTU is set
> to a value greater than 1600 bytes.
> 
> Signed-off-by: Simon Guinot <[email-masked]>
> Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network unit")
> Cc: <[email-masked]> # v3.8+
> ---
>  drivers/net/ethernet/marvell/mvneta.c | 26 +++++++++++++++++++++++++-
>  1 file changed, 25 insertions(+), 1 deletion(-)

Acked-by: Thomas Petazzoni <[email-masked]>

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com