igb: cleanup flow control configuration to make requested/current more clear

This patch cleans up the flow control configuration for igb to make it a
bit more readable in regards to what the requested and current modes are.
This should help with the maintainability of the current igb driver in
regards to flow control.

Signed-off-by: Alexander Duyck <alexander.h.duyck@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/igb_main.c b/drivers/net/igb/igb_main.c
index 12d8683..fb32735 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1130,7 +1130,7 @@
 	}
 	fc->pause_time = 0xFFFF;
 	fc->send_xon = 1;
-	fc->type = fc->original_type;
+	fc->current_mode = fc->requested_mode;
 
 	/* disable receive for all VFs and wait one second */
 	if (adapter->vfs_allocated_count) {
@@ -1427,8 +1427,8 @@
 	hw->mac.autoneg = true;
 	hw->phy.autoneg_advertised = 0x2f;
 
-	hw->fc.original_type = e1000_fc_default;
-	hw->fc.type = e1000_fc_default;
+	hw->fc.requested_mode = e1000_fc_default;
+	hw->fc.current_mode = e1000_fc_default;
 
 	adapter->itr_setting = IGB_DEFAULT_ITR;
 	adapter->itr = IGB_START_ITR;