netdev - Re: [PATCH] octeontx2-pf: macsec: Fix incorrect MTU size in TX secy policy

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Message-ID: <aB2Hoixm3Liupy6m@ce1afb5360f2>
Date: Fri, 9 May 2025 04:42:10 +0000
From: Subbaraya Sundeep <sbhatta@...vell.com>
To: Simon Horman <horms@...nel.org>
CC: <sd@...asysnail.net>, <andrew+netdev@...n.ch>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <gakula@...vell.com>, <hkelam@...vell.com>, <sgoutham@...vell.com>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH] octeontx2-pf: macsec: Fix incorrect MTU size in TX secy
 policy

Hi Simon,

On 2025-05-08 at 19:00:03, Simon Horman (horms@...nel.org) wrote:
> On Wed, May 07, 2025 at 10:44:20PM +0530, Subbaraya Sundeep wrote:
> > Underlying real device MTU plus the L2 header length has to
> > be configured in TX secy policy because hardware expects the
> > mtu to be programmed is outgoing maximum transmission unit from
> > MCS block i.e, including L2 header, SecTag and ICV.
> 
> Hi Subbaraya,
> 
> I think it would be good to include an explanation of how
> this bug manifests.
> 
> And please target fixes for bugs present in net at net.
> 
> Subject: [PATCH net] ...
> 
Yes I missed the net in subject. I will send v2.

Thanks,
Sundeep
> > 
> > Fixes: c54ffc73601c ("octeontx2-pf: mcs: Introduce MACSEC hardware offloading")
> > Signed-off-by: Subbaraya Sundeep <sbhatta@...vell.com>
> 
> ...
> 
> -- 
> pw-bot: changes-requested