i40e: firmware version fields offsets update

The version bits reported by the hardware changed, so fix
up the offsets to print the version correctly.

Change-Id: I8a8207b401ea88f6da024aebafe7d3826ee6512c
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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

@@ -81,11 +81,14 @@
 #define I40E_DEFAULT_MSG_ENABLE       4
 
 #define I40E_NVM_VERSION_LO_SHIFT  0
-#define I40E_NVM_VERSION_LO_MASK   (0xf << I40E_NVM_VERSION_LO_SHIFT)
-#define I40E_NVM_VERSION_MID_SHIFT 4
-#define I40E_NVM_VERSION_MID_MASK  (0xff << I40E_NVM_VERSION_MID_SHIFT)
-#define I40E_NVM_VERSION_HI_SHIFT  12
-#define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
+#define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
+#define I40E_NVM_VERSION_HI_SHIFT  8
+#define I40E_NVM_VERSION_HI_MASK   (0xff << I40E_NVM_VERSION_HI_SHIFT)
+
+/* The values in here are decimal coded as hex as is the case in the NVM map*/
+#define I40E_CURRENT_NVM_VERSION_HI 0x2
+#define I40E_CURRENT_NVM_VERSION_LO 0x1
+
 
 /* magic for getting defines into strings */
 #define STRINGIFY(foo)  #foo
@@ -441,13 +444,11 @@ static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 	static char buf[32];
 
 	snprintf(buf, sizeof(buf),
-		 "f%d.%d a%d.%d n%02d.%02d.%02d e%08x",
+		 "f%d.%d a%d.%d n%02x.%02x e%08x",
 		 hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
 		 hw->aq.api_maj_ver, hw->aq.api_min_ver,
 		 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK)
 						>> I40E_NVM_VERSION_HI_SHIFT,
-		 (hw->nvm.version & I40E_NVM_VERSION_MID_MASK)
-						>> I40E_NVM_VERSION_MID_SHIFT,
 		 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK)
 						>> I40E_NVM_VERSION_LO_SHIFT,
 		 hw->nvm.eetrack);

drivers/net/ethernet/intel/i40e/i40e_main.c

@@ -7141,6 +7141,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	err = i40e_init_adminq(hw);
 	dev_info(&pdev->dev, "%s\n", i40e_fw_version_str(hw));
+	if (((hw->nvm.version & I40E_NVM_VERSION_HI_MASK)
+		 >> I40E_NVM_VERSION_HI_SHIFT) != I40E_CURRENT_NVM_VERSION_HI) {
+		dev_info(&pdev->dev,
+			 "warning: NVM version not supported, supported version: %02x.%02x\n",
+			 I40E_CURRENT_NVM_VERSION_HI,
+			 I40E_CURRENT_NVM_VERSION_LO);
+	}
 	if (err) {
 		dev_info(&pdev->dev,
 			 "init_adminq failed: %d expecting API %02x.%02x\n",