netdev - RE: [PATCH] dpaa2-eth: add support for nway reset

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Date:   Thu, 27 Feb 2020 16:04:26 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Russell King <rmk+kernel@...linux.org.uk>
CC:     "David S. Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] dpaa2-eth: add support for nway reset

> Subject: [PATCH] dpaa2-eth: add support for nway reset
> 
> Add support for ethtool -r so that PHY negotiation can be restarted.
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

Acked-by: Ioana Ciornei <ioana.ciornei@....com>

> ---
>  drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
> b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
> index 96676abcebd5..94347c695233 100644
> --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
> +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
> @@ -79,6 +79,16 @@ static void dpaa2_eth_get_drvinfo(struct net_device
> *net_dev,
>  		sizeof(drvinfo->bus_info));
>  }
> 
> +static int dpaa2_eth_nway_reset(struct net_device *net_dev) {
> +	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
> +
> +	if (priv->mac)
> +		return phylink_ethtool_nway_reset(priv->mac->phylink);
> +
> +	return -EOPNOTSUPP;
> +}
> +
>  static int
>  dpaa2_eth_get_link_ksettings(struct net_device *net_dev,
>  			     struct ethtool_link_ksettings *link_settings) @@ -
> 761,6 +771,7 @@ static int dpaa2_eth_get_ts_info(struct net_device *dev,
> 
>  const struct ethtool_ops dpaa2_ethtool_ops = {
>  	.get_drvinfo = dpaa2_eth_get_drvinfo,
> +	.nway_reset = dpaa2_eth_nway_reset,
>  	.get_link = ethtool_op_get_link,
>  	.get_link_ksettings = dpaa2_eth_get_link_ksettings,
>  	.set_link_ksettings = dpaa2_eth_set_link_ksettings,
> --
> 2.20.1