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: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 6c73243..35255b8 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -254,6 +254,13 @@
 	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) {