ixgbe: Add support for 82599-based CX4 adapters

This patch adds support for CX4 adapters based on 82599.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 61af47e..c9006bb 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -337,6 +337,9 @@
 	case IXGBE_DEV_ID_82599_SFP:
 		media_type = ixgbe_media_type_fiber;
 		break;
+	case IXGBE_DEV_ID_82599_CX4:
+		media_type = ixgbe_media_type_fiber;
+		break;
 	default:
 		media_type = ixgbe_media_type_unknown;
 		break;