Re: [PATCH net-next 0/6] net/mlx5e: Speedup channel configuration operations

[Tariq Toukan]

On 12/11/2025 18:33, Toke Høiland-Jørgensen wrote:
> Tariq Toukan <ttoukan.linux@xxxxxxxxx> writes:
>
> > On 12/11/2025 12:54, Toke Høiland-Jørgensen wrote:
> > > Tariq Toukan <tariqt@xxxxxxxxxx> writes:
> > >
> > > > Hi,
> > > >
> > > > This series significantly improves the latency of channel configuration
> > > > operations, like interface up (create channels), interface down (destroy
> > > > channels), and channels reconfiguration (create new set, destroy old
> > > > one).
> > >
> > > On the topic of improving ifup/ifdown times, I noticed at some point
> > > that mlx5 will call synchronize_net() once for every queue when they are
> > > deactivated (in mlx5e_deactivate_txqsq()). Have you considered changing
> > > that to amortise the sync latency over the full interface bringdown? :)
> > >
> > > -Toke
> >
> > Correct!
> > This can be improved and I actually have WIP patches for this, as I'm
> > revisiting this code area recently.
>
> Excellent! We ran into some issues with this a while back, so would be
> great to see this improved.
>
> -Toke

Can you elaborate on the test case and issues encountered?
To make sure I'm addressing them.