From c4ee6a5348102b9cea49fb9adf88307445407911 Mon Sep 17 00:00:00 2001
From: Anjali Singhai <anjali.singhai@intel.com>
Date: Tue, 27 Apr 2010 11:31:25 +0000
Subject: [PATCH] ixgbe: Properly display 1 gig downshift warning for backplane

Description: When using Intel smartspeed, the patch displays a
warning when the link down shifts to 1 Gig.

Signed-off-by: Anjali Singhai <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ixgbe/ixgbe_82599.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index d189ba7e8f15..38c384031c4c 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -642,6 +642,7 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
 	s32 i, j;
 	bool link_up = false;
 	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	struct ixgbe_adapter *adapter = hw->back;
 
 	hw_dbg(hw, "ixgbe_setup_mac_link_smartspeed.\n");
 
@@ -726,6 +727,10 @@ static s32 ixgbe_setup_mac_link_smartspeed(struct ixgbe_hw *hw,
 					    autoneg_wait_to_complete);
 
 out:
+	if (link_up && (link_speed == IXGBE_LINK_SPEED_1GB_FULL))
+		netif_info(adapter, hw, adapter->netdev, "Smartspeed has"
+			" downgraded the link speed from the maximum"
+			" advertised\n");
 	return status;
 }
 
-- 
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