netdev - RE: [PATCH v2 net-next 06/11] net: phylink: Add struct phylink

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Message-ID: <VI1PR0402MB280020D1730C4860CAE9F855E01F0@VI1PR0402MB2800.eurprd04.prod.outlook.com>
Date:   Wed, 29 May 2019 16:18:21 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
CC:     "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "olteanv@...il.com" <olteanv@...il.com>,
        "thomas.petazzoni@...tlin.com" <thomas.petazzoni@...tlin.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "vivien.didelot@...il.com" <vivien.didelot@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH v2 net-next 06/11] net: phylink: Add struct phylink_config
 to PHYLINK API


> Subject: Re: [PATCH v2 net-next 06/11] net: phylink: Add struct phylink_config to
> PHYLINK API
> 
> Hello Ioana,
> 
> On Tue, 28 May 2019 20:38:12 +0300
> Ioana Ciornei <ioana.ciornei@....com> wrote:
> 
> >The phylink_config structure will encapsulate a pointer to a struct
> >device and the operation type requested for this instance of PHYLINK.
> >This patch does not make any functional changes, it just transitions
> >the PHYLINK internals and all its users to the new API.
> >
> >A pointer to a phylink_config structure will be passed to
> >phylink_create() instead of the net_device directly. Also, the same
> >phylink_config pointer will be passed back to all phylink_mac_ops
> >callbacks instead of the net_device. Using this mechanism, a PHYLINK
> >user can get the original net_device using a structure such as
> >'to_net_dev(config->dev)' or directly the structure containing the
> >phylink_config using a container_of call.
> 
> I see that you mixed both to_net_dev and container_of uses in mvpp2, is there a
> reason for that ?

When only the mvpp2_port was needed I chose to use a container_of directly rather than in 2 steps: to_net_dev and then netdev_priv.
On the other hand, when both the netdev and the mvpp2_port was used, adding just a to_net_dev was the least disruptive.

> 
> Other than that, for the mvpp2 part,
> 
> Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> Tested-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> 

Thanks a lot for testing.

--
Ioana

> Thanks,
> 
> Maxime