netdev - RE: [PATCH net-next v2 13/14] ravb: Update EMAC configuration mode comment

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Message-ID: <OS0PR01MB5922FD0183178493CAAA9D6886B69@OS0PR01MB5922.jpnprd01.prod.outlook.com>
Date:   Tue, 12 Oct 2021 13:39:30 +0000
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@...russia.ru>,
        Adam Ford <aford173@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Yuusuke Ashizuka <ashiduka@...itsu.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org>, Chris Paterson
        <Chris.Paterson2@...esas.com>, Biju Das <biju.das@...renesas.com>,
        Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com" 
        <linux-renesas-soc@...r.kernel.org>
Subject: RE: [PATCH net-next v2 13/14] ravb: Update EMAC configuration mode
 comment

Hi Jakub Kicinski,

> Subject: Re: [PATCH net-next v2 13/14] ravb: Update EMAC configuration
> mode comment
> 
> On Sun, 10 Oct 2021 10:56:32 +0000 Biju Das wrote:
> > > > This is TOE related,
> >
> > I meant the context here is TOE register related. That is what I meant.
> 
> Did you test TCP packets with bad checksums? The description you posted
> earlier could indicate this is about dropping such packets, not about
> address filtering?

I have made changes similar to R-Car for HW Checksum on RX and passed wrong checksum(0x0000 or 0xffff) and it crashed the system.

Regards,
Biju