netdev - [PATCH net-next v3 2/4] net: wangxun: Support to get ts info

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Message-Id: <20250110031716.2120642-3-jiawenwu@trustnetic.com>
Date: Fri, 10 Jan 2025 11:17:14 +0800
From: Jiawen Wu <jiawenwu@...stnetic.com>
To: 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,
	vadim.fedorenko@...ux.dev
Cc: mengyuanlou@...-swift.com,
	Jiawen Wu <jiawenwu@...stnetic.com>
Subject: [PATCH net-next v3 2/4] net: wangxun: Support to get ts info

Implement the function get_ts_info and get_ts_stats in ethtool_ops to
get the HW capabilities and statistics for timestamping.

Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
---
 .../net/ethernet/wangxun/libwx/wx_ethtool.c   | 49 +++++++++++++++++++
 .../net/ethernet/wangxun/libwx/wx_ethtool.h   |  4 ++
 .../net/ethernet/wangxun/ngbe/ngbe_ethtool.c  |  2 +
 .../ethernet/wangxun/txgbe/txgbe_ethtool.c    |  2 +
 4 files changed, 57 insertions(+)

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
index c4b3b00b0926..7098b794b8f5 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
@@ -455,3 +455,52 @@ 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);
+
+void wx_get_ptp_stats(struct net_device *dev,
+		      struct ethtool_ts_stats *ts_stats)
+{
+	struct wx *wx = netdev_priv(dev);
+
+	if (wx->ptp_clock) {
+		ts_stats->pkts = wx->tx_hwtstamp_pkts;
+		ts_stats->lost = wx->tx_hwtstamp_timeouts +
+				 wx->tx_hwtstamp_skipped +
+				 wx->rx_hwtstamp_cleared;
+	}
+}
+EXPORT_SYMBOL(wx_get_ptp_stats);
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
index 600c3b597d1a..9e002e699eca 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.h
@@ -40,4 +40,8 @@ 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);
+void wx_get_ptp_stats(struct net_device *dev,
+		      struct ethtool_ts_stats *ts_stats);
 #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..7e2d9ec38a30 100644
--- a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c
@@ -138,6 +138,8 @@ 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,
+	.get_ts_stats		= wx_get_ptp_stats,
 };
 
 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..78999d484f18 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c
@@ -529,6 +529,8 @@ 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,
+	.get_ts_stats		= wx_get_ptp_stats,
 };
 
 void txgbe_set_ethtool_ops(struct net_device *netdev)
-- 
2.27.0