Adding minor fix

Support for multiple ranges

Added logic to have default values at global level incase multiple ports have same defaults

Author: dgsudharsan

sonic-xcvrd/scripts/xcvrd

@@ -276,6 +276,7 @@ def get_media_settings_value(physical_port, key):
     range_separator = '-'
     comma_separator = ','
     media_dict = {}
+    default_dict = {}
 
     # Keys under global media settings can be a list or range or list of ranges
     # of physical port numbers. Below are some examples
@@ -300,31 +301,42 @@ def get_media_settings_value(physical_port, key):
                 if check_port_in_range(keys, physical_port):
                     media_dict = g_dict["GLOBAL_MEDIA_SETTINGS"][keys]
 
-        # If there is a match in the global profile for a media type,
-        # fetch those values
-        if key[0] in media_dict:
-            return media_dict[key[0]]
-        elif key[1] in media_dict:
-            return media_dict[key[1]]
+            # If there is a match in the global profile for a media type,
+            # fetch those values
+            if key[0] in media_dict:
+                return media_dict[key[0]]
+            elif key[1] in media_dict:
+                return media_dict[key[1]]
+            elif "Default" in media_dict:
+                default_dict = media_dict['Default']
+
+    media_dict = {}
 
     if "PORT_MEDIA_SETTINGS" in g_dict:
         for keys in g_dict["PORT_MEDIA_SETTINGS"]:
             if int(keys) == physical_port:
                 media_dict = g_dict["PORT_MEDIA_SETTINGS"][keys]
                 break
         if len(media_dict) == 0:
-            logger.log_error("Error: No values for physica port '%d'"
-                                   % physical_port)
+            if default_dict != 0:
+                return default_dict
+            else:
+                logger.log_error("Error: No values for physical port '%d'"
+                                  % physical_port)
             return {}
         if key[0] in media_dict:
             return media_dict[key[0]]
         elif key[1] in media_dict:
             return media_dict[key[1]]
         elif "Default" in media_dict:
             return media_dict['Default']
+        elif len(default_dict) != 0:
+            return default_dict
         else:
             return {}
-
+    else:
+       if default_dict != 0:
+            return default_dict
 
 def get_media_settings_key(physical_port, transceiver_dict):
     sup_compliance_str = '10/40G Ethernet Compliance Code'