ixgbe: change the eeprom version reported by ethtool

Use 32bit value starting at offset 0x2d for displaying the firmware
version in ethtool. This should work for all current ixgbe HW

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbe/ixgbe.h

@@ -497,7 +497,8 @@ struct ixgbe_adapter {
 	u64 rsc_total_count;
 	u64 rsc_total_flush;
 	u32 wol;
-	u16 eeprom_version;
+	u16 eeprom_verh;
+	u16 eeprom_verl;
 	u16 eeprom_cap;
 
 	int node;

drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c

@@ -889,21 +889,22 @@ static void ixgbe_get_drvinfo(struct net_device *netdev,
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	char firmware_version[32];
+	u32 nvm_track_id;
 
 	strncpy(drvinfo->driver, ixgbe_driver_name,
 	        sizeof(drvinfo->driver) - 1);
 	strncpy(drvinfo->version, ixgbe_driver_version,
 	        sizeof(drvinfo->version) - 1);
 
-	snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
-	         (adapter->eeprom_version & 0xF000) >> 12,
-	         (adapter->eeprom_version & 0x0FF0) >> 4,
-	         adapter->eeprom_version & 0x000F);
+	nvm_track_id = (adapter->eeprom_verh << 16) |
+			adapter->eeprom_verl;
+	snprintf(firmware_version, sizeof(firmware_version), "0x%08x",
+		 nvm_track_id);
 
 	strncpy(drvinfo->fw_version, firmware_version,
-	        sizeof(drvinfo->fw_version));
+		sizeof(drvinfo->fw_version) - 1);
 	strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
-	        sizeof(drvinfo->bus_info));
+		sizeof(drvinfo->bus_info) - 1);
 	drvinfo->n_stats = IXGBE_STATS_LEN;
 	drvinfo->testinfo_len = IXGBE_TEST_LEN;
 	drvinfo->regdump_len = ixgbe_get_regs_len(netdev);

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -7640,6 +7640,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	}
 	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
 
+	/* save off EEPROM version number */
+	hw->eeprom.ops.read(hw, 0x2e, &adapter->eeprom_verh);
+	hw->eeprom.ops.read(hw, 0x2d, &adapter->eeprom_verl);
+
 	/* pick up the PCI bus settings for reporting later */
 	hw->mac.ops.get_bus_info(hw);
 
@@ -7672,9 +7676,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 			   "is required.\n");
 	}
 
-	/* save off EEPROM version number */
-	hw->eeprom.ops.read(hw, 0x29, &adapter->eeprom_version);
-
 	/* reset the hardware with the new settings */
 	err = hw->mac.ops.start_hw(hw);