Schema changes for bgp as service.

For details, please refer:
https://bugs.launchpad.net/juniperopenstack/+bug/1649707/comments/17

Change-Id: I05b5936a264bb0f619e03a84e5532b2d46a356f6
Closes-bug: #1649707

src/schema/vnc_cfg.xsd

@@ -1100,6 +1100,43 @@ targetNamespace="http://www.contrailsystems.com/2012/VNC-CONFIG/0">
      Property('enable-security-logging', 'global-vrouter-config', 'optional', 'CRUD',
               'Enable or disable security-logging in the system') -->
 
+<xsd:complexType name="BgpAsServiceGlobalConfig">
+    <xsd:element name="extended-port-start" type="xsd:integer"/>
+    <xsd:annotation>
+        <xsd:documentation>
+            When BGP as service object is shared across multiple VMI, more ports are
+            needed to identify the session. However bgp router config object has
+            only one port. To handle this there is an extended port range created.
+            Other than original port present in bgp config object, new ports
+            for same config are derived(using original port) from the extended
+            range.
+            extended-port-start is the start of that range.
+        </xsd:documentation>
+    </xsd:annotation>
+    <xsd:element name="extended-port-end" type="xsd:integer"/>
+    <xsd:annotation>
+        <xsd:documentation>
+            When BGP as service object is shared across multiple VMI, more ports are
+            needed to identify the session. However bgp router config object has
+            only one port. To handle this there is an extended port range created.
+            Other than original port present in bgp config object, new ports
+            for same config are derived(using original port) from the extended
+            range.
+            extended-port-end is the end of that range.
+        </xsd:documentation>
+    </xsd:annotation>
+    <xsd:element name="max-shared" type="xsd:integer"/>
+    <xsd:annotation>
+        <xsd:documentation>
+            Maximum number of shared VMI supported on single bgp-as-service object.
+        </xsd:documentation>
+    </xsd:annotation>
+</xsd:complexType>
+<xsd:element name="bgp-as-service-global-config" type="BgpAsServiceGlobalConfig"/>
+<!--#IFMAP-SEMANTICS-IDL
+     Property('bgp-as-service-global-config', 'global-vrouter-config', 'optional', 'CRUD',
+              'Bgp as service global configuration parameters') -->
+
 <xsd:element name="global-qos-config" type="ifmap:IdentityType"/>
 <!--Identifier "global-qos-config" is used to hang global QoS properties
     for vhost interface and fabric traffic
@@ -2170,6 +2207,15 @@ targetNamespace="http://www.contrailsystems.com/2012/VNC-CONFIG/0">
 <!--#IFMAP-SEMANTICS-IDL
      Property('bgpaas-suppress-route-advertisement', 'bgp-as-a-service', 'optional', 'CRUD',
               'True when server should not advertise any routes to the client i.e. the client has static routes (typically a default) configured.') -->
+<xsd:element name='bgpaas-shared' type='xsd:boolean'/>
+    <xsd:annotation>
+        <xsd:documentation>
+            Used to indicate if bgpaas object can be shared across multiple VMI.
+        </xsd:documentation>
+    </xsd:annotation>
+<!--#IFMAP-SEMANTICS-IDL
+     Property('bgpaas-shared', 'bgp-as-a-service', 'required', 'CRUD',
+              'Determines if bgpaas object can be shred across VMI') -->
 
 <xsd:element name="virtual-router" type="ifmap:IdentityType"/>
 <xsd:element name="global-system-config-virtual-router"/>