i40e: init flow control settings to disabled

Refactor flow control set up and disable L2 flow
control by default.

Change-Id: I2fe257b80df6d9a1e37deb4df118da8f8467040d
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 9c380a8..fcb6def 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -276,12 +276,14 @@
 		((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 		  AUTONEG_ENABLE : AUTONEG_DISABLE);
 
-	pause->rx_pause = 0;
-	pause->tx_pause = 0;
-	if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_RX)
+	if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 		pause->rx_pause = 1;
-	if (hw_link_info->an_info & I40E_AQ_LINK_PAUSE_TX)
+	} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 		pause->tx_pause = 1;
+	} else if (hw->fc.current_mode == I40E_FC_FULL) {
+		pause->rx_pause = 1;
+		pause->tx_pause = 1;
+	}
 }
 
 static u32 i40e_get_msglevel(struct net_device *netdev)