ixgbe: add support for get_ts_info

This patch adds support for the ethtool get_ts_info operation, which enables
access of available timestamp/timesync support for that device. It can query
which ptp clock device is associated with the particular port.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 082446d44fa8762402bd8800a335d64443629b37..3178f1ec371157b283dccb5f9a57af981623cafd 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -2696,6 +2696,46 @@ static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
        return ret;
 }
 
+static int ixgbe_get_ts_info(struct net_device *dev,
+                            struct ethtool_ts_info *info)
+{
+       struct ixgbe_adapter *adapter = netdev_priv(dev);
+
+       switch (adapter->hw.mac.type) {
+#ifdef CONFIG_IXGBE_PTP
+       case ixgbe_mac_X540:
+       case ixgbe_mac_82599EB:
+               info->so_timestamping =
+                       SOF_TIMESTAMPING_TX_HARDWARE |
+                       SOF_TIMESTAMPING_RX_HARDWARE |
+                       SOF_TIMESTAMPING_RAW_HARDWARE;
+
+               if (adapter->ptp_clock)
+                       info->phc_index = ptp_clock_index(adapter->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_PTP_V1_L4_SYNC) |
+                       (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+                       (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
+                       (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
+                       (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
+                       (1 << HWTSTAMP_FILTER_SOME);
+               break;
+#endif /* CONFIG_IXGBE_PTP */
+       default:
+               return ethtool_op_get_ts_info(dev, info);
+               break;
+       }
+       return 0;
+}
+
 static const struct ethtool_ops ixgbe_ethtool_ops = {
        .get_settings           = ixgbe_get_settings,
        .set_settings           = ixgbe_set_settings,
@@ -2724,6 +2764,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops = {
        .set_coalesce           = ixgbe_set_coalesce,
        .get_rxnfc              = ixgbe_get_rxnfc,
        .set_rxnfc              = ixgbe_set_rxnfc,
+       .get_ts_info            = ixgbe_get_ts_info,
 };
 
 void ixgbe_set_ethtool_ops(struct net_device *netdev)