igb: Power down link when interface is down

This changes the behavior of the driver to power down the link
when the associated interface is down, unless management is enabled.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@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/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index bb53083..fbe1c99 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -29,6 +29,8 @@
 #define _E1000_82575_H_
 
 extern void igb_shutdown_serdes_link_82575(struct e1000_hw *hw);
+extern void igb_power_up_serdes_link_82575(struct e1000_hw *hw);
+extern void igb_power_down_phy_copper_82575(struct e1000_hw *hw);
 extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
 
 #define ID_LED_DEFAULT_82575_SERDES ((ID_LED_DEF1_DEF2 << 12) | \