ixgbe: When in DCB mode with PFC enabled, show LFC is disabled

Ethtool should report that link flow control is disabled when in priority
flow control mode.
Signed-off-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -254,6 +254,13 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
 	else
 		pause->autoneg = 1;
 
+#ifdef CONFIG_DCB
+	if (hw->fc.current_mode == ixgbe_fc_pfc) {
+		pause->rx_pause = 0;
+		pause->tx_pause = 0;
+	}
+
+#endif
 	if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 		pause->rx_pause = 1;
 	} else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {