ixgbe: add WOL support for backplane adapters

This change adds support for certain 82599 based Mezzanine adapters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index f61a8ce..0a4b322 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -185,6 +185,16 @@
 					     ADVERTISED_FIBRE);
 			ecmd->port = PORT_FIBRE;
 			ecmd->autoneg = AUTONEG_DISABLE;
+		} else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) ||
+			   (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
+			ecmd->supported |= (SUPPORTED_1000baseT_Full |
+					    SUPPORTED_Autoneg |
+					    SUPPORTED_FIBRE);
+			ecmd->advertising = (ADVERTISED_10000baseT_Full |
+					     ADVERTISED_1000baseT_Full |
+					     ADVERTISED_Autoneg |
+					     ADVERTISED_FIBRE);
+			ecmd->port = PORT_FIBRE;
 		} else {
 			ecmd->supported |= (SUPPORTED_1000baseT_Full |
 					    SUPPORTED_FIBRE);
@@ -1862,6 +1872,13 @@
 	int retval = 1;
 
 	switch(hw->device_id) {
+	case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
+		/* All except this subdevice support WOL */
+		if (hw->subsystem_device_id ==
+		    IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
+			wol->supported = 0;
+			break;
+		}
 	case IXGBE_DEV_ID_82599_KX4:
 		retval = 0;
 		break;