linux-kernel - Re: [PATCH 5.15 049/230] net/mlx5e: Check action fwd/drop flag exists also for nic flows

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Message-ID: <dee7f7b8-2566-6452-6f71-1fe05216a774@nvidia.com>
Date:   Sun, 15 Jan 2023 10:10:12 +0200
From:   Roi Dayan <roid@...dia.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        dann frazier <dann.frazier@...onical.com>
Cc:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, Maor Dickman <maord@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Ran Drori <rdrori@...dia.com>,
        Frode Nordahl <frode.nordahl@...onical.com>
Subject: Re: [PATCH 5.15 049/230] net/mlx5e: Check action fwd/drop flag exists
 also for nic flows



On 14/01/2023 15:49, Greg Kroah-Hartman wrote:
> On Thu, Jan 12, 2023 at 03:07:59PM -0700, dann frazier wrote:
>> On Mon, Jul 11, 2022 at 11:05:05AM +0200, Greg Kroah-Hartman wrote:
>>> From: Roi Dayan <roid@...dia.com>
>>>
>>> [ Upstream commit 6b50cf45b6a0e99f3cab848a72ecca8da56b7460 ]
>>>
>>> The driver should add offloaded rules with either a fwd or drop action.
>>> The check existed in parsing fdb flows but not when parsing nic flows.
>>> Move the test into actions_match_supported() which is called for
>>> checking nic flows and fdb flows.
>>>
>>> Signed-off-by: Roi Dayan <roid@...dia.com>
>>> Reviewed-by: Maor Dickman <maord@...dia.com>
>>> Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
>>> Signed-off-by: Sasha Levin <sashal@...nel.org>
>>
>> hey Sasha,
>>
>>   A contact at Nvidia tells me that this has caused a regression w/
>> OVN HW offload. To fix that, commit 7f8770c7 ("net/mlx5e: Set action
>> fwd flag when parsing tc action goto") is also required.
>>
>>  I'm not really sure what flagged this patch for stable, so I don't
>> know whether to suggest it be reverted, or that additonal patch be
>> applied. Roi - what's your thought?
> 
> I've queued up the additional change now, thanks.
> 
> greg k-h


right. thanks.
I'm also not sure why the first commit added to stable but
it caused checking the fwd flag earlier in the code and
the missing commit added the fwd flag earlier.
Both commits were in the same series when submitted.