linux-kernel - Re: [PATCH net-next] eth: mlx5: link NAPI instances to queues and IRQs

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Date: Wed, 7 Feb 2024 15:23:47 +0200
From: Tariq Toukan <ttoukan.linux@...il.com>
To: Joe Damato <jdamato@...tly.com>, Tariq Toukan <tariqt@...dia.com>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 Gal Pressman <gal@...dia.com>, rrameshbabu@...dia.com,
 Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 "open list:MELLANOX MLX5 core VPI driver" <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH net-next] eth: mlx5: link NAPI instances to queues and
 IRQs

On 06/02/2024 21:23, Joe Damato wrote:
> On Tue, Feb 06, 2024 at 09:10:27PM +0200, Tariq Toukan wrote:
>>
>>
>> On 06/02/2024 19:12, Joe Damato wrote:
>>> On Tue, Feb 06, 2024 at 10:11:28AM +0200, Tariq Toukan wrote:
>>>>
>>>>
>>>> On 06/02/2024 3:03, Joe Damato wrote:
>>>>> Make mlx5 compatible with the newly added netlink queue GET APIs.
>>>>>
>>>>> Signed-off-by: Joe Damato <jdamato@...tly.com>

..

> 
> OK, well I tweaked the v3 I had queued  based on your feedback. I am
> definitiely not an mlx5 expert, so I have no idea if it's correct.
> 
> The changes can be summed up as:
>    - mlx5e_activate_channel and mlx5e_deactivate_channel to use
>      netif_queue_set_napi for each mlx5e_txqsq as it is
>      activated/deactivated. I assumed sq->txq_ix is the correct index, but I
>      have no idea.
>    - mlx5e_activate_qos_sq and mlx5e_deactivate_qos_sq to handle the QOS/HTB
>      case, similar to the above.
>    - IRQ storage removed
> 
> If you think that sounds vaguely correct, I can send the v3 tomorrow when
> it has been >24hrs as per Rahul's request.
> 

Sounds correct.
Please go on and send when it's time so we can review.