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authorMartin K Petersen <mkp@mkp.net>2014-11-15 17:24:51 +0300
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-12-05 20:13:05 +0300
commitc762dff24c06c0eca30e96650f60022eaa1862b0 (patch)
tree803bf89aaf484b06457ab2e351262fe616753d87 /drivers
parentad435ec689c981a11005d5283cc88588a699537f (diff)
downloadlinux-c762dff24c06c0eca30e96650f60022eaa1862b0.tar.xz
ixgbe: Look up MAC address in Open Firmware or IDPROM
Attempt to look up the MAC address in Open Firmware on systems that support it. On SPARC resort to using the IDPROM if no OF address is found. Signed-off-by: Martin K Petersen <martin.petersen@oracle.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 73cd0fefad44..18ddffbb7e3f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -42,6 +42,7 @@
#include <linux/slab.h>
#include <net/checksum.h>
#include <net/ip6_checksum.h>
+#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/if.h>
#include <linux/if_vlan.h>
@@ -50,6 +51,15 @@
#include <linux/prefetch.h>
#include <scsi/fc/fc_fcoe.h>
+#ifdef CONFIG_OF
+#include <linux/of_net.h>
+#endif
+
+#ifdef CONFIG_SPARC
+#include <asm/idprom.h>
+#include <asm/prom.h>
+#endif
+
#include "ixgbe.h"
#include "ixgbe_common.h"
#include "ixgbe_dcb_82599.h"
@@ -8021,6 +8031,29 @@ int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
}
/**
+ * ixgbe_get_platform_mac_addr - Look up MAC address in Open Firmware / IDPROM
+ * @adapter: Pointer to adapter struct
+ */
+static void ixgbe_get_platform_mac_addr(struct ixgbe_adapter *adapter)
+{
+#ifdef CONFIG_OF
+ struct device_node *dp = pci_device_to_OF_node(adapter->pdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ const unsigned char *addr;
+
+ addr = of_get_mac_address(dp);
+ if (addr) {
+ ether_addr_copy(hw->mac.perm_addr, addr);
+ return;
+ }
+#endif /* CONFIG_OF */
+
+#ifdef CONFIG_SPARC
+ ether_addr_copy(hw->mac.perm_addr, idprom->id_ethaddr);
+#endif /* CONFIG_SPARC */
+}
+
+/**
* ixgbe_probe - Device Initialization Routine
* @pdev: PCI device information struct
* @ent: entry in ixgbe_pci_tbl
@@ -8289,6 +8322,8 @@ skip_sriov:
goto err_sw_init;
}
+ ixgbe_get_platform_mac_addr(adapter);
+
memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len);
if (!is_valid_ether_addr(netdev->dev_addr)) {