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

From: Ben Hutchings
Date: Thu Jan 30 2014 - 09:01:25 EST


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

Reviewed-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>

> ---
> 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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