fib: Allow the creation of new source on the API

Type: feature

an client can dump the existing sources, examine their
priorities, then define thier own source.
Usefull if a client wants to distingusih between say, static,
ospf, bgp, etc routes it has added over the API.

Signed-off-by: Neale Ranns <nranns@cisco.com>
Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
Change-Id: I5158b4fa1ebe87381ff8707bb173217f56ea274a

test/vpp_papi_provider.py

@@ -48,7 +48,6 @@ defaultmapping = {
                          'classify_table_index': 4294967295, 'is_add': 1, },
     'ip_mroute_add_del': {'is_add': 1, },
     'ip_neighbor_add_del': {'is_add': 1, },
-    'ip_route_add_del': {'is_add': 1, },
     'ipsec_interface_add_del_spd': {'is_add': 1, },
     'ipsec_spd_add_del': {'is_add': 1, },
     'ipsec_spd_dump': {'sa_id': 4294967295, },
@@ -410,6 +409,16 @@ class VppPapiProvider(object):
                             'is_ip6': is_ip6
                         }})
 
+    def ip_route_v2_dump(self, table_id, is_ip6=False, src=0):
+        return self.api(self.papi.ip_route_v2_dump,
+                        {
+                            'src': src,
+                            'table': {
+                                'table_id': table_id,
+                                'is_ip6': is_ip6
+                            }
+                        })
+
     def ip_neighbor_add_del(self,
                             sw_if_index,
                             mac_address,