6064 ixgbe needs X550 support

@@ -24,10 +24,11 @@
  */
 
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2016 OmniTI Computer Consulting, Inc. All rights reserved.
  */
 
 #include "ixgbe_sw.h"
 
 /*

@@ -709,16 +710,18 @@
                         err = EINVAL;
                 else {
                         ixgbe->intr_throttling[0] = (uint32_t)result;
 
                         /*
-                         * 82599 and X540 require the interrupt throttling
-                         * rate is a multiple of 8. This is enforced by the
-                         * register definiton.
+                         * 82599, X540 and X550 require the interrupt
+                         * throttling rate is a multiple of 8. This is
+                         * enforced by the register definiton.
                          */
                         if (hw->mac.type == ixgbe_mac_82599EB ||
-                            hw->mac.type == ixgbe_mac_X540) {
+                            hw->mac.type == ixgbe_mac_X540 ||
+                            hw->mac.type == ixgbe_mac_X550 ||
+                            hw->mac.type == ixgbe_mac_X550EM_x) {
                                 ixgbe->intr_throttling[0] =
                                     ixgbe->intr_throttling[0] & 0xFF8;
                         }
 
                         for (i = 0; i < MAX_INTR_VECTOR; i++)