diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_ip6.py | 175 | ||||
| -rw-r--r-- | test/vpp_interface.py | 29 | ||||
| -rw-r--r-- | test/vpp_papi_provider.py | 7 |
3 files changed, 204 insertions, 7 deletions
diff --git a/test/test_ip6.py b/test/test_ip6.py index 70ebc36dcc0..c9efcbbc51c 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1005,6 +1005,181 @@ class TestIPv6RD(TestIPv6ND): self.verify_prefix_info(ev.prefixes[1], prefix_info_2) +class TestIPv6RDControlPlane(TestIPv6ND): + """ IPv6 Router Discovery Control Plane Test Case """ + + @classmethod + def setUpClass(cls): + super(TestIPv6RDControlPlane, cls).setUpClass() + + def setUp(self): + super(TestIPv6RDControlPlane, self).setUp() + + # create 1 pg interface + self.create_pg_interfaces(range(1)) + + self.interfaces = list(self.pg_interfaces) + + # setup all interfaces + for i in self.interfaces: + i.admin_up() + i.config_ip6() + + def tearDown(self): + super(TestIPv6RDControlPlane, self).tearDown() + + @staticmethod + def create_ra_packet(pg, routerlifetime=None): + src_ip = pg.remote_ip6_ll + dst_ip = pg.local_ip6 + if routerlifetime is not None: + ra = ICMPv6ND_RA(routerlifetime=routerlifetime) + else: + ra = ICMPv6ND_RA() + p = (Ether(dst=pg.local_mac, src=pg.remote_mac) / + IPv6(dst=dst_ip, src=src_ip) / ra) + return p + + @staticmethod + def get_default_routes(fib): + list = [] + for entry in fib: + if entry.address_length == 0: + for path in entry.path: + if path.sw_if_index != 0xFFFFFFFF: + defaut_route = {} + defaut_route['sw_if_index'] = path.sw_if_index + defaut_route['next_hop'] = path.next_hop + list.append(defaut_route) + return list + + @staticmethod + def get_interface_addresses(fib, pg): + list = [] + for entry in fib: + if entry.address_length == 128: + path = entry.path[0] + if path.sw_if_index == pg.sw_if_index: + list.append(entry.address) + return list + + def test_all(self): + """ Test handling of SLAAC addresses and default routes """ + + fib = self.vapi.ip6_fib_dump() + default_routes = self.get_default_routes(fib) + initial_addresses = set(self.get_interface_addresses(fib, self.pg0)) + self.assertEqual(default_routes, []) + router_address = self.pg0.remote_ip6n_ll + + self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1) + + self.sleep(0.1) + + # send RA + packet = (self.create_ra_packet(self.pg0) / ICMPv6NDOptPrefixInfo( + prefix="1::", + prefixlen=64, + validlifetime=2, + preferredlifetime=2, + L=1, + A=1, + ) / ICMPv6NDOptPrefixInfo( + prefix="7::", + prefixlen=20, + validlifetime=1500, + preferredlifetime=1000, + L=1, + A=0, + )) + self.pg0.add_stream([packet]) + self.pg_start() + + self.sleep(0.1) + + fib = self.vapi.ip6_fib_dump() + + # check FIB for new address + addresses = set(self.get_interface_addresses(fib, self.pg0)) + new_addresses = addresses.difference(initial_addresses) + self.assertEqual(len(new_addresses), 1) + prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0' + self.assertEqual(inet_ntop(AF_INET6, prefix), '1::') + + # check FIB for new default route + default_routes = self.get_default_routes(fib) + self.assertEqual(len(default_routes), 1) + dr = default_routes[0] + self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) + self.assertEqual(dr['next_hop'], router_address) + + # send RA to delete default route + packet = self.create_ra_packet(self.pg0, routerlifetime=0) + self.pg0.add_stream([packet]) + self.pg_start() + + self.sleep(0.1) + + # check that default route is deleted + fib = self.vapi.ip6_fib_dump() + default_routes = self.get_default_routes(fib) + self.assertEqual(len(default_routes), 0) + + self.sleep(0.1) + + # send RA + packet = self.create_ra_packet(self.pg0) + self.pg0.add_stream([packet]) + self.pg_start() + + self.sleep(0.1) + + # check FIB for new default route + fib = self.vapi.ip6_fib_dump() + default_routes = self.get_default_routes(fib) + self.assertEqual(len(default_routes), 1) + dr = default_routes[0] + self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) + self.assertEqual(dr['next_hop'], router_address) + + # send RA, updating router lifetime to 1s + packet = self.create_ra_packet(self.pg0, 1) + self.pg0.add_stream([packet]) + self.pg_start() + + self.sleep(0.1) + + # check that default route still exists + fib = self.vapi.ip6_fib_dump() + default_routes = self.get_default_routes(fib) + self.assertEqual(len(default_routes), 1) + dr = default_routes[0] + self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) + self.assertEqual(dr['next_hop'], router_address) + + self.sleep(1) + + # check that default route is deleted + fib = self.vapi.ip6_fib_dump() + default_routes = self.get_default_routes(fib) + self.assertEqual(len(default_routes), 0) + + # check FIB still contains the SLAAC address + addresses = set(self.get_interface_addresses(fib, self.pg0)) + new_addresses = addresses.difference(initial_addresses) + self.assertEqual(len(new_addresses), 1) + prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0' + self.assertEqual(inet_ntop(AF_INET6, prefix), '1::') + + self.sleep(1) + + # check that SLAAC address is deleted + fib = self.vapi.ip6_fib_dump() + addresses = set(self.get_interface_addresses(fib, self.pg0)) + new_addresses = addresses.difference(initial_addresses) + self.assertEqual(len(new_addresses), 0) + + class IPv6NDProxyTest(TestIPv6ND): """ IPv6 ND ProxyTest Case """ diff --git a/test/vpp_interface.py b/test/vpp_interface.py index 8891dde6afe..194a0c4fb32 100644 --- a/test/vpp_interface.py +++ b/test/vpp_interface.py @@ -55,6 +55,16 @@ class VppInterface(object): return socket.inet_pton(socket.AF_INET6, self.local_ip6) @property + def remote_ip6(self): + """IPv6 address of remote peer "connected" to this interface.""" + return self._remote_hosts[0].ip6 + + @property + def remote_ip6n(self): + """IPv6 address of remote peer - raw, suitable as API parameter""" + return socket.inet_pton(socket.AF_INET6, self.remote_ip6) + + @property def local_ip6_ll(self): """Local IPv6 linnk-local address on VPP interface (string).""" return self._local_ip6_ll @@ -62,17 +72,19 @@ class VppInterface(object): @property def local_ip6n_ll(self): """Local IPv6 link-local address - raw, suitable as API parameter.""" - return self.local_ip6n_ll + return self._local_ip6n_ll @property - def remote_ip6(self): - """IPv6 address of remote peer "connected" to this interface.""" - return self._remote_hosts[0].ip6 + def remote_ip6_ll(self): + """Link-local IPv6 address of remote peer + "connected" to this interface.""" + return self._remote_ip6_ll @property - def remote_ip6n(self): - """IPv6 address of remote peer - raw, suitable as API parameter""" - return socket.inet_pton(socket.AF_INET6, self.remote_ip6) + def remote_ip6n_ll(self): + """Link-local IPv6 address of remote peer + - raw, suitable as API parameter""" + return self._remote_ip6n_ll @property def name(self): @@ -196,6 +208,9 @@ class VppInterface(object): self._local_ip6_ll = mk_ll_addr(self.local_mac) self._local_ip6n_ll = socket.inet_pton(socket.AF_INET6, self.local_ip6_ll) + self._remote_ip6_ll = mk_ll_addr(self.remote_mac) + self._remote_ip6n_ll = socket.inet_pton(socket.AF_INET6, + self.remote_ip6_ll) def config_ip4(self): """Configure IPv4 address on the VPP interface.""" diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py index 8fc0bfdae85..bd770efdd36 100644 --- a/test/vpp_papi_provider.py +++ b/test/vpp_papi_provider.py @@ -480,6 +480,13 @@ class VppPapiProvider(object): 'mrd': mrd, 'sw_if_index': sw_if_index}) + def ip6_nd_address_autoconfig(self, sw_if_index, enable, + install_default_routes): + return self.api(self.papi.ip6_nd_address_autoconfig, + {'sw_if_index': sw_if_index, + 'enable': enable, + 'install_default_routes': install_default_routes}) + def want_macs_learn_events(self, enable_disable=1, scan_delay=0, max_macs_in_event=0, learn_limit=0): return self.api(self.papi.want_l2_macs_events, |