linux-kernel - Re: [net-next PATCH v5 07/10] octeontx2-pf: Add support to sync link state between representor and VFs

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Message-ID: <20240620125636.GH959333@kernel.org>
Date: Thu, 20 Jun 2024 13:56:36 +0100
From: Simon Horman <horms@...nel.org>
To: Geetha sowjanya <gakula@...vell.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kuba@...nel.org,
	davem@...emloft.net, pabeni@...hat.com, edumazet@...gle.com,
	sgoutham@...vell.com, sbhatta@...vell.com, hkelam@...vell.com
Subject: Re: [net-next PATCH v5 07/10] octeontx2-pf: Add support to sync link
 state between representor and VFs

On Tue, Jun 11, 2024 at 09:52:10PM +0530, Geetha sowjanya wrote:
> This patch implement the below requirement mentioned
> in the representors documentation.
> 
> "
> The representee's link state is controlled through the
> representor. Setting the representor administratively UP
> or DOWN should cause carrier ON or OFF at the representee.
> "
> 
> This patch enables
> - Reflecting the link state of representor based on the VF state and
>  link state of VF based on representor.
> - On VF interface up/down a notification is sent via mbox to representor
>   to update the link state.
>   eg: ip link set eth0 up/down  will disable carrier on/off
>        of the corresponding representor(r0p1) interface.
> - On representor interface up/down will cause the link state update of VF.
>   eg: ip link set r0p1 up/down  will disable carrier on/off
>        of the corresponding representee(eth0) interface.
> 
> Signed-off-by: Harman Kalra <hkalra@...vell.com>
> Signed-off-by: Geetha sowjanya <gakula@...vell.com>

Reviewed-by: Simon Horman <horms@...nel.org>