Re: [RFC net-next v3 0/2] mlx5: Add netdev-genl queue stats

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On Thu, 30 May 2024 17:15:25 -0700 Joe Damato wrote:
> > Why to base, and not report them as queue stats?
> > 
> > Judging by mlx5e_update_tx_netdev_queues() calls sprinkled in
> > ../mlx5/core/en/htb.c it seems that the driver will update the
> > real_num_tx_queues accordingly. And from mlx5e_qid_from_qos()
> > it seems like the inverse calculation is:
> > 
> > i - (chs->params.num_channels + is_ptp)*mlx5e_get_dcb_num_tc(&chs->params)
> > 
> > But really, isn't it enough to use priv->txq2sq[i] for the active
> > queues, and not active ones you've already covered?  
> 
> This is what I proposed in the thread for the v2, but Tariq
> suggested a different approach he liked more, please see this
> message for more details:
> 
>   https://lore.kernel.org/netdev/68225941-f3c3-4335-8f3d-edee43f59033@xxxxxxxxx/
> 
> I attempted to implement option 1 as he described in his message.

I see, although it sounds like option 2 would also work.

Saeed can you shine any light here? I'm worried Tariq is already AFK
for the weekend and we'll make no progress until Monday...




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