netdev - Re: [PATCH net-next v3 1/2] net: stmmac: Rework coalesce timer and fix multi-queue races

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Date:   Thu, 13 Sep 2018 13:24:48 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>, netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        "David S. Miller" <davem@...emloft.net>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>
Subject: Re: [PATCH net-next v3 1/2] net: stmmac: Rework coalesce timer and
 fix multi-queue races

Hi Jose,

On 13/09/2018 10:02, Jose Abreu wrote:
> This follows David Miller advice and tries to fix coalesce timer in
> multi-queue scenarios.
> 
> We are now using per-queue coalesce values and per-queue TX timer.
> 
> Coalesce timer default values was changed to 1ms and the coalesce frames
> to 25.
> 
> Tested in B2B setup between XGMAC2 and GMAC5.

I will run a test today,

Thanks,
Neil

> 
> Signed-off-by: Jose Abreu <joabreu@...opsys.com>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Neil Armstrong <narmstrong@...libre.com>
> Cc: Jerome Brunet <jbrunet@...libre.com>
> Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Joao Pinto <jpinto@...opsys.com>
> Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
> Cc: Alexandre Torgue <alexandre.torgue@...com>
> ---
>  drivers/net/ethernet/stmicro/stmmac/common.h      |   4 +-
>  drivers/net/ethernet/stmicro/stmmac/stmmac.h      |  14 +-
>  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 233 ++++++++++++----------
>  include/linux/stmmac.h                            |   1 +
>  4 files changed, 146 insertions(+), 106 deletions(-)

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