ixgbevf: Add legacy suffix to old API mailbox functions

Add legacy suffix to mailbox functions which should be backwards compatible
with older PF drivers. Communication during API negotiation always has to
be done using the earlier implementation.
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ixgbevf/ixgbevf.h

@@ -429,7 +429,7 @@ extern const struct ixgbevf_info ixgbevf_82599_vf_info;
 extern const struct ixgbevf_info ixgbevf_X540_vf_info;
 extern const struct ixgbevf_info ixgbevf_X550_vf_info;
 extern const struct ixgbevf_info ixgbevf_X550EM_x_vf_info;
-extern const struct ixgbe_mbx_operations ixgbevf_mbx_ops;
+extern const struct ixgbe_mbx_operations ixgbevf_mbx_ops_legacy;
 extern const struct ixgbevf_info ixgbevf_x550em_a_vf_info;
 
 extern const struct ixgbevf_info ixgbevf_82599_vf_hv_info;

drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c

@@ -4565,7 +4565,7 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	memcpy(&hw->mac.ops, ii->mac_ops, sizeof(hw->mac.ops));
 	hw->mac.type  = ii->mac;
 
-	memcpy(&hw->mbx.ops, &ixgbevf_mbx_ops,
+	memcpy(&hw->mbx.ops, &ixgbevf_mbx_ops_legacy,
 	       sizeof(struct ixgbe_mbx_operations));
 
 	/* setup the private structure */

drivers/net/ethernet/intel/ixgbevf/mbx.c

@@ -224,14 +224,14 @@ static s32 ixgbevf_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
 }
 
 /**
- *  ixgbevf_write_mbx_vf - Write a message to the mailbox
+ *  ixgbevf_write_mbx_vf_legacy - Write a message to the mailbox
  *  @hw: pointer to the HW structure
  *  @msg: The message buffer
  *  @size: Length of buffer
  *
  *  returns 0 if it successfully copied message into the buffer
  **/
-static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
+static s32 ixgbevf_write_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size)
 {
 	s32 ret_val;
 	u16 i;
@@ -260,14 +260,14 @@ static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
 }
 
 /**
- *  ixgbevf_read_mbx_vf - Reads a message from the inbox intended for VF
+ *  ixgbevf_read_mbx_vf_legacy - Reads a message from the inbox intended for VF
  *  @hw: pointer to the HW structure
  *  @msg: The message buffer
  *  @size: Length of buffer
  *
  *  returns 0 if it successfully read message from buffer
  **/
-static s32 ixgbevf_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
+static s32 ixgbevf_read_mbx_vf_legacy(struct ixgbe_hw *hw, u32 *msg, u16 size)
 {
 	s32 ret_val = 0;
 	u16 i;
@@ -318,10 +318,10 @@ static s32 ixgbevf_init_mbx_params_vf(struct ixgbe_hw *hw)
 	return 0;
 }
 
-const struct ixgbe_mbx_operations ixgbevf_mbx_ops = {
+const struct ixgbe_mbx_operations ixgbevf_mbx_ops_legacy = {
 	.init_params	= ixgbevf_init_mbx_params_vf,
-	.read		= ixgbevf_read_mbx_vf,
-	.write		= ixgbevf_write_mbx_vf,
+	.read		= ixgbevf_read_mbx_vf_legacy,
+	.write		= ixgbevf_write_mbx_vf_legacy,
 	.read_posted	= ixgbevf_read_posted_mbx,
 	.write_posted	= ixgbevf_write_posted_mbx,
 	.check_for_msg	= ixgbevf_check_for_msg_vf,