igb: Support the get_ts_info ethtool method.

Based on original patch from Richard Cochran <richardcochran@gmail.com>

Original patch caused build errors without CONFIG_IGB_1588_CLOCK and
CONFIG_PPS enabled, since the added code was not properly wrapped.

CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 812d4f9..59d0f04 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2271,6 +2271,38 @@ static void igb_ethtool_complete(struct net_device *netdev)
        pm_runtime_put(&adapter->pdev->dev);
 }
 
+#ifdef CONFIG_IGB_PTP
+static int igb_ethtool_get_ts_info(struct net_device *dev,
+                                  struct ethtool_ts_info *info)
+{
+       struct igb_adapter *adapter = netdev_priv(dev);
+
+       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_ALL) |
+               (1 << HWTSTAMP_FILTER_SOME) |
+               (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
+               (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+               (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
+
+       return 0;
+}
+
+#endif
 static const struct ethtool_ops igb_ethtool_ops = {
        .get_settings           = igb_get_settings,
        .set_settings           = igb_set_settings,
@@ -2299,6 +2331,9 @@ static const struct ethtool_ops igb_ethtool_ops = {
        .set_coalesce           = igb_set_coalesce,
        .begin                  = igb_ethtool_begin,
        .complete               = igb_ethtool_complete,
+#ifdef CONFIG_IGB_PTP
+       .get_ts_info            = igb_ethtool_get_ts_info,
+#endif
 };
 
 void igb_set_ethtool_ops(struct net_device *netdev)