netdev - Re: [PATCH v2 1/1 net-next] net: fec: report correct hardware stamping info to ethtool

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Date:	Mon, 7 Jan 2013 09:34:49 +0100
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Frank Li <Frank.Li@...escale.com>
Cc:	lznuaa@...il.com, shawn.guo@...aro.org, richardcochran@...il.com,
	davem@...emloft.net, linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/1 net-next] net: fec: report correct hardware
 stamping info to ethtool

On Mon, Jan 07, 2013 at 10:25:07AM +0800, Frank Li wrote:
> Report correct hardware stamping capability by ethtool interface.
> The v1.0 ptp4l check it.
> 
> Signed-off-by: Frank Li <Frank.Li@...escale.com>

Acked-by: Sascha Hauer <s.hauer@...gutronix.de>

Sascha

> ---
> Change v1->v2
>  1. s/capibilty/capability/
>  2. apply Sascha's feedback 
>     avoid return the return value of ethtool_op_get_ts_info()
>     when bufdesc_ex ==  1
> 
>  drivers/net/ethernet/freescale/fec.c |   31 ++++++++++++++++++++++++++++++-
>  1 files changed, 30 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
> index a379319..1c117e5 100644
> --- a/drivers/net/ethernet/freescale/fec.c
> +++ b/drivers/net/ethernet/freescale/fec.c
> @@ -1173,12 +1173,41 @@ static void fec_enet_get_drvinfo(struct net_device *ndev,
>  	strcpy(info->bus_info, dev_name(&ndev->dev));
>  }
>  
> +static int fec_enet_get_ts_info(struct net_device *ndev,
> +				struct ethtool_ts_info *info)
> +{
> +	struct fec_enet_private *fep = netdev_priv(ndev);
> +
> +	if (fep->bufdesc_ex) {
> +
> +		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
> +					SOF_TIMESTAMPING_RX_SOFTWARE |
> +					SOF_TIMESTAMPING_SOFTWARE |
> +					SOF_TIMESTAMPING_TX_HARDWARE |
> +					SOF_TIMESTAMPING_RX_HARDWARE |
> +					SOF_TIMESTAMPING_RAW_HARDWARE;
> +		if (fep->ptp_clock)
> +			info->phc_index = ptp_clock_index(fep->ptp_clock);
> +		else
> +			info->phc_index = -1;
> +
> +		info->tx_types = (1 << HWTSTAMP_TX_OFF) |
> +				 (1 << HWTSTAMP_TX_ON);
> +
> +		info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
> +				   (1 << HWTSTAMP_FILTER_ALL);
> +		return 0;
> +	} else {
> +		return ethtool_op_get_ts_info(ndev, info);
> +	}
> +}
> +
>  static const struct ethtool_ops fec_enet_ethtool_ops = {
>  	.get_settings		= fec_enet_get_settings,
>  	.set_settings		= fec_enet_set_settings,
>  	.get_drvinfo		= fec_enet_get_drvinfo,
>  	.get_link		= ethtool_op_get_link,
> -	.get_ts_info		= ethtool_op_get_ts_info,
> +	.get_ts_info		= fec_enet_get_ts_info,
>  };
>  
>  static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
> -- 
> 1.7.1
> 
> 
> 

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