ixgbe: FCoE: Add support for ndo_get_fcoe_hbainfo() call

This patch implements support for ndo_get_fcoe_hbainfo()
call in the ixgbe driver.

This function will be called by the FCoE protocol stack to
obtain device specific information from the underlying
device configured to do FCoE.

Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 90 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index a8368d5cf68..258164d6d45 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -560,6 +560,7 @@ extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
 
 extern char ixgbe_driver_name[];
 extern const char ixgbe_driver_version[];
+extern char ixgbe_default_device_descr[];
 
 extern void ixgbe_up(struct ixgbe_adapter *adapter);
 extern void ixgbe_down(struct ixgbe_adapter *adapter);
@@ -627,6 +628,8 @@ extern u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
 extern u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
 #endif /* CONFIG_IXGBE_DCB */
 extern int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
+extern int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
+                                  struct netdev_fcoe_hbainfo *info);
 #endif /* IXGBE_FCOE */
 
 #endif /* _IXGBE_H_ */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
index df3b1be69d8..d18d6157dd2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
@@ -855,3 +855,86 @@ int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
         }
         return rc;
 }
+
+/**
+ * ixgbe_fcoe_get_hbainfo - get FCoE HBA information
+ * @netdev : ixgbe adapter
+ * @info : HBA information
+ *
+ * Returns ixgbe HBA information
+ *
+ * Returns : 0 on success
+ */
+int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
+                           struct netdev_fcoe_hbainfo *info)
+{
+        struct ixgbe_adapter *adapter = netdev_priv(netdev);
+        struct ixgbe_hw *hw = &adapter->hw;
+        int i, pos;
+        u8 buf[8];
+
+        if (!info)
+                return -EINVAL;
+
+        /* Don't return information on unsupported devices */
+        if (hw->mac.type != ixgbe_mac_82599EB &&
+            hw->mac.type != ixgbe_mac_X540)
+                return -EINVAL;
+
+        /* Manufacturer */
+        snprintf(info->manufacturer, sizeof(info->manufacturer),
+                 "Intel Corporation");
+
+        /* Serial Number */
+
+        /* Get the PCI-e Device Serial Number Capability */
+        pos = pci_find_ext_capability(adapter->pdev, PCI_EXT_CAP_ID_DSN);
+        if (pos) {
+                pos += 4;
+                for (i = 0; i < 8; i++)
+                        pci_read_config_byte(adapter->pdev, pos + i, &buf[i]);
+
+                snprintf(info->serial_number, sizeof(info->serial_number),
+                         "%02X%02X%02X%02X%02X%02X%02X%02X",
+                         buf[7], buf[6], buf[5], buf[4],
+                         buf[3], buf[2], buf[1], buf[0]);
+        } else
+                snprintf(info->serial_number, sizeof(info->serial_number),
+                         "Unknown");
+
+        /* Hardware Version */
+        snprintf(info->hardware_version,
+                 sizeof(info->hardware_version),
+                 "Rev %d", hw->revision_id);
+        /* Driver Name/Version */
+        snprintf(info->driver_version,
+                 sizeof(info->driver_version),
+                 "%s v%s",
+                 ixgbe_driver_name,
+                 ixgbe_driver_version);
+        /* Firmware Version */
+        snprintf(info->firmware_version,
+                 sizeof(info->firmware_version),
+                 "0x%08x",
+                 (adapter->eeprom_verh << 16) |
+                  adapter->eeprom_verl);
+
+        /* Model */
+        if (hw->mac.type == ixgbe_mac_82599EB) {
+                snprintf(info->model,
+                         sizeof(info->model),
+                         "Intel 82599");
+        } else {
+                snprintf(info->model,
+                         sizeof(info->model),
+                         "Intel X540");
+        }
+
+        /* Model Description */
+        snprintf(info->model_description,
+                 sizeof(info->model_description),
+                 "%s",
+                 ixgbe_default_device_descr);
+
+        return 0;
+}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 74669a8c060..1ee5d0fbb90 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -55,6 +55,8 @@
 char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
                               "Intel(R) 10 Gigabit PCI Express Network Driver";
+char ixgbe_default_device_descr[] =
+                              "Intel(R) 10 Gigabit Network Connection";
 #define MAJ 3
 #define MIN 6
 #define BUILD 7
@@ -7293,6 +7295,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
         .ndo_fcoe_enable = ixgbe_fcoe_enable,
         .ndo_fcoe_disable = ixgbe_fcoe_disable,
         .ndo_fcoe_get_wwn = ixgbe_fcoe_get_wwn,
+        .ndo_fcoe_get_hbainfo = ixgbe_fcoe_get_hbainfo,
 #endif /* IXGBE_FCOE */
         .ndo_set_features = ixgbe_set_features,
         .ndo_fix_features = ixgbe_fix_features,
@@ -7722,7 +7725,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
         /* add san mac addr to netdev */
         ixgbe_add_sanmac_netdev(netdev);
 
-        e_dev_info("Intel(R) 10 Gigabit Network Connection\n");
+        e_dev_info("%s\n", ixgbe_default_device_descr);
         cards_found++;
         return 0;