cxgb4: Support for get_ts_info ethtool method

Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c

@@ -1113,14 +1113,31 @@ static int set_flash(struct net_device *netdev, struct ethtool_flash *ef)
 
 static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info)
 {
+	struct port_info *pi = netdev_priv(dev);
+	struct  adapter *adapter = pi->adapter;
+
 	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
 				   SOF_TIMESTAMPING_RX_SOFTWARE |
 				   SOF_TIMESTAMPING_SOFTWARE;
 
 	ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE |
+				    SOF_TIMESTAMPING_TX_HARDWARE |
 				    SOF_TIMESTAMPING_RAW_HARDWARE;
 
-	ts_info->phc_index = -1;
+	ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) |
+			    (1 << HWTSTAMP_TX_ON);
+
+	ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
+			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
+			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
+			      (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
+			      (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
+
+	if (adapter->ptp_clock)
+		ts_info->phc_index = ptp_clock_index(adapter->ptp_clock);
+	else
+		ts_info->phc_index = -1;
 
 	return 0;
 }