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Date:   Mon, 18 Jul 2022 20:27:12 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Christian Marangi <ansuelsmth@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [net-next RFC PATCH 3/4] net: dsa: qca8k: rework mib autocast
 handling

On Sat, Jul 16, 2022 at 07:49:57PM +0200, Christian Marangi wrote:
> In preparation for code split, move the autocast mib function used to
> receive mib data from eth packet in priv struct and use that in
> get_ethtool_stats instead of referencing the function directly. This is
> needed as the get_ethtool_stats function will be moved to a common file.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> ---

Can this change be deferred until there actually appears a second
implementation of (*autocast_mib)?

> diff --git a/drivers/net/dsa/qca/qca8k.h b/drivers/net/dsa/qca/qca8k.h
> index 22ece14e06dc..a306638a7100 100644
> --- a/drivers/net/dsa/qca/qca8k.h
> +++ b/drivers/net/dsa/qca/qca8k.h
> @@ -403,6 +403,7 @@ struct qca8k_priv {
>  	struct qca8k_mdio_cache mdio_cache;
>  	struct qca8k_pcs pcs_port_0;
>  	struct qca8k_pcs pcs_port_6;
> +	int (*autocast_mib)(struct dsa_switch *ds, int port, u64 *data);

Typically we hold function pointers in separate read-only structures rather
than in the stateful private structure of the driver, see struct sja1105_info,
struct felix_info, struct mv88e6xxx_info and mv88e6xxx_ops, struct b53_io_ops,
etc etc.

>  };
>  
>  struct qca8k_mib_desc {
> -- 
> 2.36.1
> 

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