ixgbe: Add FCoE Storage MAC Address support
This patch implements the Storage Address entrypoint from the net device.
It will read the SAN MAC addresses from the EEPROM of the 82599 hardware,
and make them available to the FCoE stack through the net device.
Also, add/del the SAN MAC address to the netdev dev_addr_list via the
kernel api dev_addr_add()/dev_addr_del() when there is a valid SAN MAC
supported by the HW.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Yi Zou <yi.zou@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/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d69a052..fe0ac8b 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -4799,6 +4799,48 @@
return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd);
}
+/**
+ * ixgbe_add_sanmac_netdev - Add the SAN MAC address to the corresponding
+ * netdev->dev_addr_list
+ * @netdev: network interface device structure
+ *
+ * Returns non-zero on failure
+ **/
+static int ixgbe_add_sanmac_netdev(struct net_device *dev)
+{
+ int err = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+ if (is_valid_ether_addr(mac->san_addr)) {
+ rtnl_lock();
+ err = dev_addr_add(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN);
+ rtnl_unlock();
+ }
+ return err;
+}
+
+/**
+ * ixgbe_del_sanmac_netdev - Removes the SAN MAC address to the corresponding
+ * netdev->dev_addr_list
+ * @netdev: network interface device structure
+ *
+ * Returns non-zero on failure
+ **/
+static int ixgbe_del_sanmac_netdev(struct net_device *dev)
+{
+ int err = 0;
+ struct ixgbe_adapter *adapter = netdev_priv(dev);
+ struct ixgbe_mac_info *mac = &adapter->hw.mac;
+
+ if (is_valid_ether_addr(mac->san_addr)) {
+ rtnl_lock();
+ err = dev_addr_del(dev, mac->san_addr, NETDEV_HW_ADDR_T_SAN);
+ rtnl_unlock();
+ }
+ return err;
+}
+
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
@@ -5159,6 +5201,8 @@
ixgbe_setup_dca(adapter);
}
#endif
+ /* add san mac addr to netdev */
+ ixgbe_add_sanmac_netdev(netdev);
dev_info(&pdev->dev, "Intel(R) 10 Gigabit Network Connection\n");
cards_found++;
@@ -5229,6 +5273,10 @@
ixgbe_cleanup_fcoe(adapter);
#endif /* IXGBE_FCOE */
+
+ /* remove the added san mac */
+ ixgbe_del_sanmac_netdev(netdev);
+
if (netdev->reg_state == NETREG_REGISTERED)
unregister_netdev(netdev);