e1000e: use alternate MAC address on ESB2 if available

Similar to 82571/2/3 parts that already do this, if ESB2/80003es2lan parts
have an alternate MAC address provided in the EEPROM use it instead of the
default MAC address.  This patch makes the the actual code that does this
generic so that it can be better used by both MAC families.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index eccf29b75c41..127e6a226da1 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -389,6 +389,9 @@ enum e1e_registers {
 
 #define E1000_FUNC_1 1
 
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
+
 enum e1000_mac_type {
         e1000_82571,
         e1000_82572,
@@ -756,6 +759,7 @@ struct e1000_mac_operations {
         s32  (*setup_physical_interface)(struct e1000_hw *);
         s32  (*setup_led)(struct e1000_hw *);
         void (*write_vfta)(struct e1000_hw *, u32, u32);
+        s32  (*read_mac_addr)(struct e1000_hw *);
 };
 
 /* Function pointers for the PHY. */
@@ -897,7 +901,6 @@ struct e1000_fc_info {
 
 struct e1000_dev_spec_82571 {
         bool laa_is_present;
-        bool alt_mac_addr_is_present;
         u32 smb_counter;
 };