i40e: Define and use i40e_is_vf macro

This patch is useful for future expansion when new VF MAC types get
added. It helps with cleaning up VF driver flow.

Change-ID: Ibe1eeb71262a3a40f24a1c5409436bdc3411da7f
Signed-off-by: NAnjali Singhai Jain <anjali.singhai@intel.com>
Acked-by: NShannon Nelson <shannon.nelson@intel.com>
Acked-by: NGreg Rose <gregory.v.rose@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_adminq.c

@@ -51,7 +51,7 @@ static inline bool i40e_is_nvm_update_op(struct i40e_aq_desc *desc)
 static void i40e_adminq_init_regs(struct i40e_hw *hw)
 {
 	/* set head and tail registers in our local struct */
-	if (hw->mac.type == I40E_MAC_VF) {
+	if (i40e_is_vf(hw)) {
 		hw->aq.asq.tail = I40E_VF_ATQT1;
 		hw->aq.asq.head = I40E_VF_ATQH1;
 		hw->aq.asq.len  = I40E_VF_ATQLEN1;

drivers/net/ethernet/intel/i40e/i40e_type.h

@@ -482,6 +482,8 @@ struct i40e_hw {
 	u32 debug_mask;
 };
 
+#define i40e_is_vf(_hw)	((_hw)->mac.type == I40E_MAC_VF)
+
 struct i40e_driver_version {
 	u8 major_version;
 	u8 minor_version;

drivers/net/ethernet/intel/i40evf/i40e_adminq.c

@@ -49,7 +49,7 @@ static inline bool i40e_is_nvm_update_op(struct i40e_aq_desc *desc)
 static void i40e_adminq_init_regs(struct i40e_hw *hw)
 {
 	/* set head and tail registers in our local struct */
-	if (hw->mac.type == I40E_MAC_VF) {
+	if (i40e_is_vf(hw)) {
 		hw->aq.asq.tail = I40E_VF_ATQT1;
 		hw->aq.asq.head = I40E_VF_ATQH1;
 		hw->aq.asq.len  = I40E_VF_ATQLEN1;

drivers/net/ethernet/intel/i40evf/i40e_type.h

@@ -476,6 +476,8 @@ struct i40e_hw {
 	u32 debug_mask;
 };
 
+#define i40e_is_vf(_hw)	((_hw)->mac.type == I40E_MAC_VF)
+
 struct i40e_driver_version {
 	u8 major_version;
 	u8 minor_version;