Add public functions for retrieving the MAC and MTU (paired with

r28344).

This commit was SVN r28345.

The following SVN revision numbers were found above:
  r28344 --> open-mpi/ompi@e88881c25f

opal/util/if.c

@@ -10,7 +10,7 @@
  * Copyright (c) 2004-2005 The Regents of the University of California.
  *                         All rights reserved.
  * Copyright (c) 2008      Sun Microsystems, Inc.  All rights reserved.
- * Copyright (c) 2010      Cisco Systems, Inc.  All rights reserved.
+ * Copyright (c) 2010-2013 Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -390,6 +390,46 @@ int opal_ifindextomask(int if_index, uint32_t* if_mask, int length)
     return OPAL_ERROR;
 }
 
+/* 
+ *  Lookup the interface by opal_list index and return the 
+ *  MAC assigned to the interface.
+ */
+
+int btl_usnic_opal_ifindextomac(int if_index, uint8_t mac[6])
+{
+    opal_if_t* intf;
+
+    for (intf = (opal_if_t*)opal_list_get_first(&opal_if_list);
+        intf != (opal_if_t*)opal_list_get_end(&opal_if_list);
+        intf = (opal_if_t*)opal_list_get_next(intf)) {
+        if (intf->if_index == if_index) {
+            memcpy(mac, &intf->if_mac, 6);
+            return OPAL_SUCCESS;
+        }
+    }
+    return OPAL_ERROR;
+}
+
+/* 
+ *  Lookup the interface by opal_list index and return the 
+ *  MTU assigned to the interface.
+ */
+
+int btl_usnic_opal_ifindextomtu(int if_index, int *if_mtu)
+{
+    opal_if_t* intf;
+
+    for (intf = (opal_if_t*)opal_list_get_first(&opal_if_list);
+        intf != (opal_if_t*)opal_list_get_end(&opal_if_list);
+        intf = (opal_if_t*)opal_list_get_next(intf)) {
+        if (intf->if_index == if_index) {
+            *if_mtu = intf->if_mtu;
+            return OPAL_SUCCESS;
+        }
+    }
+    return OPAL_ERROR;
+}
+
 /* 
  *  Lookup the interface by opal_list index and return the 
  *  flags assigned to the interface.

opal/util/if.h

@@ -12,6 +12,7 @@
  * Copyright (c) 2007      Los Alamos National Security, LLC.  All rights
  *                         reserved. 
  * Copyright (c) 2008      Sun Microsystems, Inc.  All rights reserved.
+ * Copyright (c) 2013 Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -154,6 +155,22 @@ OPAL_DECLSPEC int opal_ifindextoaddr(int if_index, struct sockaddr*,
  */
 OPAL_DECLSPEC int opal_ifindextomask(int if_index, uint32_t*, int);
 
+/**
+ *  Lookup an interface by index and return its MAC address.
+ *
+ *  @param if_index (IN)  Interface index
+ *  @param if_mac (OUT)   Interface's MAC address
+ */
+OPAL_DECLSPEC int btl_usnic_opal_ifindextomac(int if_index, uint8_t if_mac[6]);
+
+/**
+ *  Lookup an interface by index and return its MTU.
+ *
+ *  @param if_index (IN)  Interface index
+ *  @param if_mtu (OUT)   Interface's MTU
+ */
+OPAL_DECLSPEC int btl_usnic_opal_ifindextomtu(int if_index, int *if_mtu);
+
 /**
  *  Lookup an interface by index and return its flags.
  *