netdev - Re: [PATCH net-next v3 2/2] net: renesas: rswitch: Use hardware pause features

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Date: Wed, 7 Jun 2023 17:23:57 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc: s.shtylyov@....ru, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, maciej.fijalkowski@...el.com,
	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/2] net: renesas: rswitch: Use hardware
 pause features

On Wed, Jun 07, 2023 at 10:56:41AM +0900, Yoshihiro Shimoda wrote:
> Since this driver used the "global rate limiter" feature of GWCA,
> the TX perfromance of each port was reduced when multiple ports

Hi Shimoda-san,

a very minor nit, in case you have to do a v4 for some other reason:

        perfromance -> performance

> transmitted frames simultaneously. To improve perfromance, remove

Here too.

> the use of the "global rate limiter" feature and use "hardware pause"
> features of the following:
>  - "per priority pause" of GWCA
>  - "global pause" of COMA
> 
> Note that these features are not related to the ethernet PAUSE frame.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

...