From: Paul Greenwalt <paul.greenwalt@intel.com>
Date: Tue, 24 Oct 2017 11:00:40 -0400
Subject: ixgbe: advertise highest capable link speed
Patch-mainline: v4.16-rc1
Git-commit: 3ead7c2e86c9f5551a937bcd68d6c8f0072bb0b6
References: bsc#1101674 FATE#325150 FATE#325151

On module insert advertise highest capable link speed. If module is
capable of 10G, then advertise 10G, else advertise modules capable
link speeds.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |   19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7613,6 +7613,7 @@ sfp_out:
 static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter)
 {
 	struct ixgbe_hw *hw = &adapter->hw;
+	u32 cap_speed;
 	u32 speed;
 	bool autoneg = false;
 
@@ -7625,16 +7626,14 @@ static void ixgbe_sfp_link_config_subtas
 
 	adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
 
-	speed = hw->phy.autoneg_advertised;
-	if ((!speed) && (hw->mac.ops.get_link_capabilities)) {
-		hw->mac.ops.get_link_capabilities(hw, &speed, &autoneg);
-
-		/* setup the highest link when no autoneg */
-		if (!autoneg) {
-			if (speed & IXGBE_LINK_SPEED_10GB_FULL)
-				speed = IXGBE_LINK_SPEED_10GB_FULL;
-		}
-	}
+	hw->mac.ops.get_link_capabilities(hw, &cap_speed, &autoneg);
+
+	/* advertise highest capable link speed */
+	if (!autoneg && (cap_speed & IXGBE_LINK_SPEED_10GB_FULL))
+		speed = IXGBE_LINK_SPEED_10GB_FULL;
+	else
+		speed = cap_speed & (IXGBE_LINK_SPEED_10GB_FULL |
+				     IXGBE_LINK_SPEED_1GB_FULL);
 
 	if (hw->mac.ops.setup_link)
 		hw->mac.ops.setup_link(hw, speed, true);