diff --git a/drivers/net/ixgbe/ixgbe_dcb.c b/drivers/net/ixgbe/ixgbe_dcb.c
index 0d44c64..4f2f0ae 100644
--- a/drivers/net/ixgbe/ixgbe_dcb.c
+++ b/drivers/net/ixgbe/ixgbe_dcb.c
@@ -42,7 +42,8 @@
  * It should be called only after the rules are checked by
  * ixgbe_dcb_check_config().
  */
-s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config,
+s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw,
+				   struct ixgbe_dcb_config *dcb_config,
 				   int max_frame, u8 direction)
 {
 	struct tc_bw_alloc *p;
@@ -124,7 +125,8 @@
 			 * credit may not be enough to send out a TSO
 			 * packet in descriptor plane arbitration.
 			 */
-			if (credit_max &&
+			if ((hw->mac.type == ixgbe_mac_82598EB) &&
+			    credit_max &&
 			    (credit_max < MINIMUM_CREDIT_FOR_TSO))
 				credit_max = MINIMUM_CREDIT_FOR_TSO;
 
diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h
index 0208a87..1cfe38e 100644
--- a/drivers/net/ixgbe/ixgbe_dcb.h
+++ b/drivers/net/ixgbe/ixgbe_dcb.h
@@ -150,7 +150,8 @@
 /* DCB driver APIs */
 
 /* DCB credits calculation */
-s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *, int, u8);
+s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *,
+				   struct ixgbe_dcb_config *, int, u8);
 
 /* DCB hw initialization */
 s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *);
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index f374207..45d9887 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3366,9 +3366,9 @@
 		max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);
 #endif
 
-	ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+	ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame,
 					DCB_TX_CONFIG);
-	ixgbe_dcb_calculate_tc_credits(&adapter->dcb_cfg, max_frame,
+	ixgbe_dcb_calculate_tc_credits(hw, &adapter->dcb_cfg, max_frame,
 					DCB_RX_CONFIG);
 
 	/* reconfigure the hardware */