linux-kernel - Re: [PATCH v4 iwl-net] i40e: Prevent setting MTU if greater than MFS

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Date: Fri, 15 Mar 2024 09:19:22 -0700
From: Brett Creeley <bcreeley@....com>
To: Erwan Velu <e.velu@...teo.com>, Tony Nguyen <anthony.l.nguyen@...el.com>,
 Erwan Velu <erwanaliasr1@...il.com>
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 iwl-net] i40e: Prevent setting MTU if greater than MFS

On 3/15/2024 2:17 AM, Erwan Velu wrote:
> Caution: This message originated from an External Source. Use proper 
> caution when opening attachments, clicking links, or responding.
> 
> 
> Le 14/03/2024 à 21:31, Tony Nguyen a écrit :
>> [..]
>> Setting the mfs size to max values during init and reset would better;
>> this is what the ice driver does. However, this would take
>> implementing new AdminQ calls. IMO this patch is ok to prevent the
>> issue being reported and allow for ease of backport.
>>
> That was my first intention, ensure that no one else get stuck in the
> same situation.
> 
> It would be nice to backport it to all stable releases once merged.
> 
> Erwan,
> 

I'm okay with this approach. Thanks.

Brett