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Subject: Re: [PATCH 0/2] Fixes for KSZ DSA switch
To:     Lino Sanfilippo <LinoSanfilippo@gmx.de>, woojung.huh@microchip.com
Cc:     UNGLinuxDriver@microchip.com, andrew@lunn.ch,
        vivien.didelot@gmail.com, olteanv@gmail.com, davem@davemloft.net,
        kuba@kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20210714191723.31294-1-LinoSanfilippo@gmx.de>
From:   Florian Fainelli <f.fainelli@gmail.com>
Message-ID: <d205b518-fb47-9065-1e82-de0f9286cb60@gmail.com>
Date:   Thu, 15 Jul 2021 16:23:19 -0700
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On 7/14/21 12:17 PM, Lino Sanfilippo wrote:
> These patches fix issues I encountered while using a KSZ9897 as a DSA
> switch with a broadcom GENET network device as the DSA master device.
> 

Is this off the shelf hardware that can be interfaced to a Raspberry Pi
4 or is this a custom design that only you have access to?

> PATCH 1 fixes an invalid access to an SKB in case it is scattered.
> PATCH 2 fixes incorrect hardware checksum calculation caused by the DSA
> tag.
> 
> The patches have been tested with a KSZ9897 and apply against net-next.
> 
> Lino Sanfilippo (2):
>   net: dsa: tag_ksz: linearize SKB before adding DSA tag
>   net: dsa: tag_ksz: dont let the hardware process the layer 4 checksum
> 
>  net/dsa/tag_ksz.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> 
> base-commit: 5e437416ff66981d8154687cfdf7de50b1d82bfc
> 


-- 
Florian