netdev - Re: [PATCH 3/4] net: ethoc: implement ethtool get registers

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Date:	Thu, 30 Jan 2014 14:01:15 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Max Filippov <jcmvbkbc@...il.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Florian Fainelli <f.fainelli@...il.com>,
	Marc Gauthier <marc@...ence.com>
Subject: Re: [PATCH 3/4] net: ethoc: implement ethtool get registers

On Wed, 2014-01-29 at 23:56 +0400, Max Filippov wrote:
> Signed-off-by: Max Filippov <jcmvbkbc@...il.com>

Reviewed-by: Ben Hutchings <ben@...adent.org.uk>

> ---
>  drivers/net/ethernet/ethoc.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
> index 9518023..0bf297b 100644
> --- a/drivers/net/ethernet/ethoc.c
> +++ b/drivers/net/ethernet/ethoc.c
> @@ -52,6 +52,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size");
>  #define	ETH_HASH0	0x48
>  #define	ETH_HASH1	0x4c
>  #define	ETH_TXCTRL	0x50
> +#define	ETH_END		0x54
>  
>  /* mode register */
>  #define	MODER_RXEN	(1 <<  0) /* receive enable */
> @@ -922,9 +923,28 @@ static int ethoc_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
>  	return phy_ethtool_sset(phydev, cmd);
>  }
>  
> +static int ethoc_get_regs_len(struct net_device *netdev)
> +{
> +	return ETH_END;
> +}
> +
> +static void ethoc_get_regs(struct net_device *dev, struct ethtool_regs *regs,
> +			   void *p)
> +{
> +	struct ethoc *priv = netdev_priv(dev);
> +	u32 *regs_buff = p;
> +	unsigned i;
> +
> +	regs->version = 0;
> +	for (i = 0; i < ETH_END / sizeof(u32); ++i)
> +		regs_buff[i] = ethoc_read(priv, i * sizeof(u32));
> +}
> +
>  const struct ethtool_ops ethoc_ethtool_ops = {
>  	.get_settings = ethoc_get_settings,
>  	.set_settings = ethoc_set_settings,
> +	.get_regs_len = ethoc_get_regs_len,
> +	.get_regs = ethoc_get_regs,
>  	.get_link = ethtool_op_get_link,
>  	.get_ts_info = ethtool_op_get_ts_info,
>  };

-- 
Ben Hutchings
It is a miracle that curiosity survives formal education. - Albert Einstein

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