netdev - Re: [PATCH net-next v2 2/4] net: wangxun: Implement get_ts

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Message-ID: <7710d787-3fab-46bf-b6b5-0fd2ff627a65@linux.dev>
Date: Mon, 6 Jan 2025 10:28:45 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Jiawen Wu <jiawenwu@...stnetic.com>, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, richardcochran@...il.com, linux@...linux.org.uk,
 horms@...nel.org, jacob.e.keller@...el.com, netdev@...r.kernel.org
Cc: mengyuanlou@...-swift.com
Subject: Re: [PATCH net-next v2 2/4] net: wangxun: Implement get_ts_info

On 06/01/2025 08:45, Jiawen Wu wrote:
> Implement the function get_ts_info in ethtool_ops which is needed to get
> the HW capabilities for timestamping.
> 
> Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
> ---
>   .../net/ethernet/wangxun/libwx/wx_ethtool.c   | 35 +++++++++++++++++++
>   .../net/ethernet/wangxun/libwx/wx_ethtool.h   |  2 ++
>   .../net/ethernet/wangxun/ngbe/ngbe_ethtool.c  |  1 +
>   .../ethernet/wangxun/txgbe/txgbe_ethtool.c    |  1 +
>   4 files changed, 39 insertions(+)
> 
> diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
> index c4b3b00b0926..27e6643509f6 100644
> --- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
> +++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
> @@ -455,3 +455,38 @@ void wx_set_msglevel(struct net_device *netdev, u32 data)
>   	wx->msg_enable = data;
>   }
>   EXPORT_SYMBOL(wx_set_msglevel);
> +
> +int wx_get_ts_info(struct net_device *dev,
> +		   struct kernel_ethtool_ts_info *info)
> +{
> +	struct wx *wx = netdev_priv(dev);
> +
> +	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
> +			   BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
> +
> +	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
> +				SOF_TIMESTAMPING_TX_HARDWARE |
> +				SOF_TIMESTAMPING_RX_HARDWARE |
> +				SOF_TIMESTAMPING_RAW_HARDWARE;
> +
> +	if (wx->ptp_clock)
> +		info->phc_index = ptp_clock_index(wx->ptp_clock);
> +	else
> +		info->phc_index = -1;
> +
> +	info->tx_types = BIT(HWTSTAMP_TX_OFF) |
> +			 BIT(HWTSTAMP_TX_ON);
> +
> +	return 0;
> +}
> +EXPORT_SYMBOL(wx_get_ts_info);
> diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
> index 600c3b597d1a..7c3630e3e187 100644
> --- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
> +++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
> @@ -40,4 +40,6 @@ int wx_set_channels(struct net_device *dev,
>   		    struct ethtool_channels *ch);
>   u32 wx_get_msglevel(struct net_device *netdev);
>   void wx_set_msglevel(struct net_device *netdev, u32 data);
> +int wx_get_ts_info(struct net_device *dev,
> +		   struct kernel_ethtool_ts_info *info);
>   #endif /* _WX_ETHTOOL_H_ */
> diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
> index e868f7ef4920..9270cf8e5bc7 100644
> --- a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
> +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
> @@ -138,6 +138,7 @@ static const struct ethtool_ops ngbe_ethtool_ops = {
>   	.set_channels		= ngbe_set_channels,
>   	.get_msglevel		= wx_get_msglevel,
>   	.set_msglevel		= wx_set_msglevel,
> +	.get_ts_info		= wx_get_ts_info,
>   };
>   
>   void ngbe_set_ethtool_ops(struct net_device *netdev)
> diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
> index d98314b26c19..9f8df5b3aee0 100644
> --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
> +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
> @@ -529,6 +529,7 @@ static const struct ethtool_ops txgbe_ethtool_ops = {
>   	.set_rxnfc		= txgbe_set_rxnfc,
>   	.get_msglevel		= wx_get_msglevel,
>   	.set_msglevel		= wx_set_msglevel,
> +	.get_ts_info		= wx_get_ts_info,
>   };
>   
>   void txgbe_set_ethtool_ops(struct net_device *netdev)

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>