[PATCH] e1000: Added firmware version reporting for 8257{1|2|3} controllers

The EEPROM image version is reported as a firmware version for these controllers.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 20 insertions, 1 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 0f9c86057a58..d252297e4db0 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -582,10 +582,29 @@ e1000_get_drvinfo(struct net_device *netdev,
                        struct ethtool_drvinfo *drvinfo)
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
+        char firmware_version[32];
+        uint16_t eeprom_data;
 
         strncpy(drvinfo->driver,  e1000_driver_name, 32);
         strncpy(drvinfo->version, e1000_driver_version, 32);
-        strncpy(drvinfo->fw_version, "N/A", 32);
+
+        /* EEPROM image version # is reported as firmware version # for
+         * 8257{1|2|3} controllers */
+        e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
+        switch (adapter->hw.mac_type) {
+        case e1000_82571:
+        case e1000_82572:
+        case e1000_82573:
+                sprintf(firmware_version, "%d.%d-%d",
+                        (eeprom_data & 0xF000) >> 12,
+                        (eeprom_data & 0x0FF0) >> 4,
+                        eeprom_data & 0x000F);
+                break;
+        default:
+                sprintf(firmware_version, "N/A");
+        }
+
+        strncpy(drvinfo->fw_version, firmware_version, 32);
         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
         drvinfo->n_stats = E1000_STATS_LEN;
         drvinfo->testinfo_len = E1000_TEST_LEN;