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>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index a8368d5..258164d 100644 (file)
--- 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 df3b1be..d18d615 100644 (file)
--- 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 74669a8..1ee5d0f 100644 (file)
--- 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;