IGMP: proxy device

Create 'proxy device' per VRF and add one upstream
and one or many downstream interfaces.

Change-Id: I1cef05fb01e73a5b483c7a2f4debaaeffe2c8155
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 1f922a0..4e7809f 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -3637,6 +3637,18 @@
                          'mode': host,
                          'sw_if_index': sw_if_index})
 
+    def igmp_proxy_device_add_del(self, vrf_id, sw_if_index, add):
+        """ Add/del IGMP proxy device """
+        return self.api(self.papi.igmp_proxy_device_add_del,
+                        {'vrf_id': vrf_id, 'sw_if_index': sw_if_index,
+                         'add': add})
+
+    def igmp_proxy_device_add_del_interface(self, vrf_id, sw_if_index, add):
+        """ Add/del interface to/from IGMP proxy device """
+        return self.api(self.papi.igmp_proxy_device_add_del_interface,
+                        {'vrf_id': vrf_id, 'sw_if_index': sw_if_index,
+                         'add': add})
+
     def igmp_listen(self, filter, sw_if_index, saddrs, gaddr):
         """ Listen for new (S,G) on specified interface