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Message-ID: <a9be5ccc-d57d-8a87-41bb-5b0a44fa3924@intel.com>
Date: Thu, 9 Feb 2023 09:19:45 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: <davem@...emloft.net>, <pabeni@...hat.com>, <edumazet@...gle.com>,
Sebastian Czapla <sebastianx.czapla@...el.com>,
<netdev@...r.kernel.org>,
Grzegorz Szczurek <grzegorzx.szczurek@...el.com>,
Marek Szlosek <marek.szlosek@...el.com>
Subject: Re: [PATCH net-next 1/6] i40e: Add flag for disabling VF source
pruning
On 2/7/2023 9:56 PM, Jakub Kicinski wrote:
> On Mon, 6 Feb 2023 15:56:30 -0800 Tony Nguyen wrote:
>> Allow user to change source pruning for VF VSIs. This allows VFs to
>> receive packets with MAC_SRC and MAC_DST equal to VFs mac.
>>
>> Added priv flag vf-source-pruning to allow user to change
>> source pruning setting. Reset all VSIs to commit the setting.
>> If vf-source-pruning is off and VF is trusted on with spoofchk off
>> then disable source pruning on specific VF takes effect.
>>
>> Without this patch it is not possible to change source pruning
>> setting on VF VSIs.
>
> Intel keeps trickling in private flags to adjust the behavior of legacy
> SR-IOV NDOs. No documentation, no well understood semantics.
> This does not seem defensible upstream when we already started rejecting
> any use of legacy SR-IOV NDOs in new drivers.
Will drop this patch.
Thanks,
Tony
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