netdev - Re: [PATCH net-next v3 2/4] mlxbf_gige: support 10M/100M/1G speeds on BlueField-3

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Message-ID: <Y8CFSlrHOJZZtn2d@lunn.ch>
Date:   Thu, 12 Jan 2023 23:10:18 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     David Thompson <davthompson@...dia.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org, cai.huoqing@...ux.dev,
        brgl@...ev.pl, limings@...dia.com, chenhao288@...ilicon.com,
        huangguangbin2@...wei.com, Asmaa Mnebhi <asmaa@...dia.com>
Subject: Re: [PATCH net-next v3 2/4] mlxbf_gige: support 10M/100M/1G speeds
 on BlueField-3

On Thu, Jan 12, 2023 at 03:26:07PM -0500, David Thompson wrote:
> The BlueField-3 OOB interface supports 10Mbps, 100Mbps, and 1Gbps speeds.
> The external PHY is responsible for autonegotiating the speed with the
> link partner. Once the autonegotiation is done, the BlueField PLU needs
> to be configured accordingly.
> 
> This patch does two things:
> 1) Initialize the advertised control flow/duplex/speed in the probe
>    based on the BlueField SoC generation (2 or 3)
> 2) Adjust the PLU speed config in the PHY interrupt handler
> 
> Signed-off-by: David Thompson <davthompson@...dia.com>
> Signed-off-by: Asmaa Mnebhi <asmaa@...dia.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew