netdev - Re: [RFC PATCH net-next 2/6] taprio: Add support for hardware offloading

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Date:   Sun, 7 Jul 2019 19:39:51 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     f.fainelli@...il.com, vivien.didelot@...il.com,
        davem@...emloft.net, vinicius.gomes@...el.com,
        vedang.patel@...el.com, richardcochran@...il.com,
        weifeng.voon@...el.com, jiri@...lanox.com, m-karicheri2@...com,
        Jose.Abreu@...opsys.com, ilias.apalodimas@...aro.org,
        netdev@...r.kernel.org
Subject: Re: [RFC PATCH net-next 2/6] taprio: Add support for hardware
 offloading

On Sun, Jul 07, 2019 at 08:29:17PM +0300, Vladimir Oltean wrote:
> From: Vinicius Costa Gomes <vinicius.gomes@...el.com>
> 
> This allows taprio to offload the schedule enforcement to capable
> network cards, resulting in more precise windows and less CPU usage.
> 
> The important detail here is the difference between the gate_mask in
> taprio and gate_mask for the network driver. For the driver, each bit
> in gate_mask references a transmission queue: bit 0 for queue 0, bit 1
> for queue 1, and so on. This is done so the driver doesn't need to
> know about traffic classes.
> 
> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
> Signed-off-by: Voon Weifeng <weifeng.voon@...el.com>

Hi Vladimir

Your SOB is also needed here.

     Andrew