+ self.assertFalse(
+ find_nbr(self, i.sw_if_index, i.remote_hosts[h].ip4)
+ )
+ self.assertFalse(
+ find_nbr(self, i.sw_if_index, i.remote_hosts[h].ip6)
+ )
+
+
+class NeighborFlush(VppTestCase):
+ """Neighbor Flush"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(NeighborFlush, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(NeighborFlush, cls).tearDownClass()
+
+ def setUp(self):
+ super(NeighborFlush, self).setUp()
+
+ self.create_pg_interfaces(range(2))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(NeighborFlush, self).tearDown()
+
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_flush(self):
+ """Neighbour Flush"""
+
+ e = VppEnum
+ nf = e.vl_api_ip_neighbor_flags_t
+ af = e.vl_api_address_family_t
+ N_HOSTS = 16
+ static = [False, True]
+ self.pg0.generate_remote_hosts(N_HOSTS)
+ self.pg1.generate_remote_hosts(N_HOSTS)
+
+ for s in static:
+ # a few v4 and v6 dynamic neoghbors
+ for n in range(N_HOSTS):
+ VppNeighbor(
+ self,
+ self.pg0.sw_if_index,
+ self.pg0.remote_hosts[n].mac,
+ self.pg0.remote_hosts[n].ip4,
+ is_static=s,
+ ).add_vpp_config()
+ VppNeighbor(
+ self,
+ self.pg1.sw_if_index,
+ self.pg1.remote_hosts[n].mac,
+ self.pg1.remote_hosts[n].ip6,
+ is_static=s,
+ ).add_vpp_config()
+
+ # flush the interfaces individually
+ self.vapi.ip_neighbor_flush(af.ADDRESS_IP4, self.pg0.sw_if_index)
+
+ # check we haven't flushed that which we shouldn't
+ for n in range(N_HOSTS):
+ self.assertTrue(
+ find_nbr(
+ self,
+ self.pg1.sw_if_index,
+ self.pg1.remote_hosts[n].ip6,
+ is_static=s,
+ )
+ )
+
+ self.vapi.ip_neighbor_flush(af.ADDRESS_IP6, self.pg1.sw_if_index)
+
+ for n in range(N_HOSTS):
+ self.assertFalse(
+ find_nbr(self, self.pg0.sw_if_index, self.pg0.remote_hosts[n].ip4)
+ )
+ self.assertFalse(
+ find_nbr(self, self.pg1.sw_if_index, self.pg1.remote_hosts[n].ip6)
+ )
+
+ # add the nieghbours back
+ for n in range(N_HOSTS):
+ VppNeighbor(
+ self,
+ self.pg0.sw_if_index,
+ self.pg0.remote_hosts[n].mac,
+ self.pg0.remote_hosts[n].ip4,
+ is_static=s,
+ ).add_vpp_config()
+ VppNeighbor(
+ self,
+ self.pg1.sw_if_index,
+ self.pg1.remote_hosts[n].mac,
+ self.pg1.remote_hosts[n].ip6,
+ is_static=s,
+ ).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh ip neighbor"))
+
+ # flush both interfaces at the same time
+ self.vapi.ip_neighbor_flush(af.ADDRESS_IP6, 0xFFFFFFFF)
+
+ # check we haven't flushed that which we shouldn't
+ for n in range(N_HOSTS):
+ self.assertTrue(
+ find_nbr(
+ self,
+ self.pg0.sw_if_index,
+ self.pg0.remote_hosts[n].ip4,
+ is_static=s,
+ )
+ )
+
+ self.vapi.ip_neighbor_flush(af.ADDRESS_IP4, 0xFFFFFFFF)
+
+ for n in range(N_HOSTS):
+ self.assertFalse(
+ find_nbr(self, self.pg0.sw_if_index, self.pg0.remote_hosts[n].ip4)
+ )
+ self.assertFalse(
+ find_nbr(self, self.pg1.sw_if_index, self.pg1.remote_hosts[n].ip6)
+ )