netdev - Re: [net-next] net: mvpp2: Add reserved port private flag configuration

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Date:   Wed, 10 Mar 2021 16:50:45 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     stefanc@...vell.com
Cc:     netdev@...r.kernel.org, thomas.petazzoni@...tlin.com,
        davem@...emloft.net, nadavh@...vell.com, ymarkman@...vell.com,
        linux-kernel@...r.kernel.org, kuba@...nel.org,
        linux@...linux.org.uk, mw@...ihalf.com, rmk+kernel@...linux.org.uk,
        atenart@...nel.org, rabeeh@...id-run.com
Subject: Re: [net-next] net: mvpp2: Add reserved port private flag
 configuration

>  static void mvpp2_ethtool_get_strings(struct net_device *netdev, u32 sset,
>  				      u8 *data)
>  {
>  	struct mvpp2_port *port = netdev_priv(netdev);
>  	int i, q;
>  
> -	if (sset != ETH_SS_STATS)
> -		return;
> +	switch (sset) {
> +	case ETH_SS_STATS:
> +		for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_mib_regs); i++) {
> +			strscpy(data, mvpp2_ethtool_mib_regs[i].string,
> +				ETH_GSTRING_LEN);
> +			data += ETH_GSTRING_LEN;
> +		}

Hi Stefan

Maybe rename the existing function to
mvpp2_ethtool_get_strings_stats() and turn it into a helper. Add a new
mvpp2_ethtool_get_strings_priv() helper. And a new
mvpp2_ethtool_get_strings() which just calls the two helpers. Overall
the patch should be smaller and much easier to review.

    Andrew