diff options
Diffstat (limited to 'test/test_bfd.py')
| -rw-r--r-- | test/test_bfd.py | 1232 |
1 files changed, 1065 insertions, 167 deletions
diff --git a/test/test_bfd.py b/test/test_bfd.py index 0842fd77429..ebc815cb701 100644 --- a/test/test_bfd.py +++ b/test/test_bfd.py @@ -12,6 +12,7 @@ import time import unittest from random import randint, shuffle, getrandbits from socket import AF_INET, AF_INET6 +from parameterized import parameterized, parameterized_class import scapy.compat from scapy.layers.inet import UDP, IP @@ -28,6 +29,8 @@ from bfd import ( BFDDiagCode, BFDState, BFD_vpp_echo, + BFD_UDP_SH_PORT, + BFD_UDP_MH_PORT, ) from framework import VppTestCase from asfframework import ( @@ -45,6 +48,64 @@ from vpp_pg_interface import CaptureTimeoutError, is_ipv6_misc from vpp_gre_interface import VppGreInterface USEC_IN_SEC = 1000000 +BFD_STATS_V4_SH_PATH = "/bfd/udp4/sessions" +BFD_STATS_V6_SH_PATH = "/bfd/udp6/sessions" +BFD_STATS_V4_MH_PATH = "/bfd/udp4/sessions_mh" +BFD_STATS_V6_MH_PATH = "/bfd/udp6/sessions_mh" +BFD_IPV4_REMOTE_ADDR = "2.2.2.2" +BFD_IPV6_REMOTE_ADDR = "2::2" +BFD_IPV4_REMOTE_ADDR2 = "3.3.3.3" +BFD_IPV6_REMOTE_ADDR2 = "3::3" + + +def set_ipv4_pfx_route_info(cls, pg_if, dst_ip, set_src): + try: + if cls.multihop: + paths = [] + # Get list of all the next hops + for nh_host in pg_if.remote_hosts: + nh_host_ip = nh_host.ip4 + paths.append(VppRoutePath(nh_host_ip, pg_if.sw_if_index)) + cls.dst_ip_net = dst_ip + # Create a route pointing to list of next hops + if paths: + rip = VppIpRoute(cls, cls.dst_ip_net, 32, paths) + rip.add_vpp_config() + cls.logger.info("Route via %s on %s created" % (paths, pg_if.name)) + if set_src: + cls.src_ip_net = cls.loopback0.local_ip4 + else: + cls.dst_ip_net = pg_if.remote_ip4 + if set_src: + cls.src_ip_net = pg_if.local_ip4 + except BaseException: + cls.vapi.want_bfd_events(enable_disable=0) + raise + + +def set_ipv6_pfx_route_info(cls, pg_if, dst_ip, set_src): + try: + if cls.multihop: + paths = [] + # Get list of all the next hops + for nh_host in pg_if.remote_hosts: + nh_host_ip = nh_host.ip6 + paths.append(VppRoutePath(nh_host_ip, pg_if.sw_if_index)) + cls.dst_ip6_net = dst_ip + # Create a route pointing to list of next hops + if paths: + rip = VppIpRoute(cls, cls.dst_ip6_net, 128, paths) + rip.add_vpp_config() + cls.logger.info("Route via %s on %s created" % (paths, pg_if.name)) + if set_src: + cls.src_ip6_net = cls.loopback0.local_ip6 + else: + cls.dst_ip6_net = cls.pg0.remote_ip6 + if set_src: + cls.src_ip6_net = cls.pg0.local_ip6 + except BaseException: + cls.vapi.want_bfd_events(enable_disable=0) + raise class AuthKeyFactory(object): @@ -67,18 +128,44 @@ class AuthKeyFactory(object): ) +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) class BFDAPITestCase(VppTestCase): - """Bidirectional Forwarding Detection (BFD) - API""" pg0 = None pg1 = None + interface0 = None + interface1 = None + src_ip_net = "" + dst_ip_net = "" + src_ip_net2 = "" + dst_ip_net2 = "" + src_ip6_net = "" + dst_ip6_net = "" + src_ip6_net2 = "" + dst_ip6_net2 = "" @classmethod def setUpClass(cls): super(BFDAPITestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = ( + f"""""Bidirectional Forwarding Detection (BFD) - API, {hoptype_str}""" + ) cls.vapi.cli("set log class bfd level debug") try: cls.create_pg_interfaces(range(2)) + cls.create_loopback_interfaces(2) + cls.loopback0 = cls.lo_interfaces[0] + cls.loopback0.config_ip4() + cls.loopback0.admin_up() + cls.loopback1 = cls.lo_interfaces[1] + cls.loopback1.config_ip4() + cls.loopback1.admin_up() for i in cls.pg_interfaces: i.config_ip4() i.config_ip6() @@ -96,9 +183,38 @@ class BFDAPITestCase(VppTestCase): super(BFDAPITestCase, self).setUp() self.factory = AuthKeyFactory() + if self.multihop: + self.interface0 = None + self.interface1 = None + self.src_ip_net = self.loopback0.local_ip4 + self.src_ip6_net = self.loopback0.local_ip6 + self.dst_ip_net = BFD_IPV4_REMOTE_ADDR + self.dst_ip6_net = BFD_IPV6_REMOTE_ADDR + self.src_ip_net2 = self.loopback1.local_ip4 + self.src_ip6_net2 = self.loopback1.local_ip6 + self.dst_ip_net2 = BFD_IPV4_REMOTE_ADDR2 + self.dst_ip6_net2 = BFD_IPV6_REMOTE_ADDR2 + else: + self.interface0 = self.pg0 + self.interface1 = self.pg1 + self.src_ip_net = self.pg0.local_ip4 + self.src_ip6_net = self.pg0.local_ip6 + self.dst_ip_net = self.pg0.remote_ip4 + self.dst_ip6_net = self.pg0.remote_ip6 + self.src_ip_net2 = self.pg1.local_ip4 + self.src_ip6_net2 = self.pg1.local_ip6 + self.dst_ip_net2 = BFD_IPV4_REMOTE_ADDR2 + self.dst_ip6_net2 = BFD_IPV6_REMOTE_ADDR2 + def test_add_bfd(self): """create a BFD session""" - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) session.add_vpp_config() self.logger.debug("Session state is %s", session.state) session.remove_vpp_config() @@ -108,7 +224,13 @@ class BFDAPITestCase(VppTestCase): def test_double_add(self): """create the same BFD session twice (negative case)""" - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) session.add_vpp_config() with self.vapi.assert_negative_api_retval(): @@ -118,7 +240,14 @@ class BFDAPITestCase(VppTestCase): def test_add_bfd6(self): """create IPv6 BFD session""" - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip6, af=AF_INET6) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + ) session.add_vpp_config() self.logger.debug("Session state is %s", session.state) session.remove_vpp_config() @@ -130,8 +259,10 @@ class BFDAPITestCase(VppTestCase): """modify BFD session parameters""" session = VppBFDUDPSession( self, - self.pg0, - self.pg0.remote_ip4, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, desired_min_tx=50000, required_min_rx=10000, detect_mult=1, @@ -163,8 +294,10 @@ class BFDAPITestCase(VppTestCase): """Create/Modify w/ Update BFD session parameters""" session = VppBFDUDPSession( self, - self.pg0, - self.pg0.remote_ip4, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, desired_min_tx=50000, required_min_rx=10000, detect_mult=1, @@ -234,7 +367,14 @@ class BFDAPITestCase(VppTestCase): """create a BFD session (SHA1)""" key = self.factory.create_random_key(self) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, + ) session.add_vpp_config() self.logger.debug("Session state is %s", session.state) session.remove_vpp_config() @@ -246,7 +386,14 @@ class BFDAPITestCase(VppTestCase): """create the same BFD session twice (negative case) (SHA1)""" key = self.factory.create_random_key(self) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, + ) session.add_vpp_config() with self.assertRaises(Exception): session.add_vpp_config() @@ -255,10 +402,19 @@ class BFDAPITestCase(VppTestCase): """create BFD session using non-existent SHA1 (negative case)""" session = VppBFDUDPSession( self, - self.pg0, - self.pg0.remote_ip4, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, sha1_key=self.factory.create_random_key(self), ) + self.session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) with self.assertRaises(Exception): session.add_vpp_config() @@ -267,13 +423,39 @@ class BFDAPITestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() sessions = [ - VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key), VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, sha1_key=key, af=AF_INET6 + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ), - VppBFDUDPSession(self, self.pg1, self.pg1.remote_ip4, sha1_key=key), VppBFDUDPSession( - self, self.pg1, self.pg1.remote_ip6, sha1_key=key, af=AF_INET6 + self, + self.interface0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + sha1_key=key, + ), + VppBFDUDPSession( + self, + self.interface1, + self.dst_ip_net2, + local_addr=self.src_ip_net2, + multihop=self.multihop, + sha1_key=key, + ), + VppBFDUDPSession( + self, + self.interface1, + self.dst_ip6_net2, + local_addr=self.src_ip6_net2, + af=AF_INET6, + multihop=self.multihop, + sha1_key=key, ), ] for s in sessions: @@ -295,7 +477,13 @@ class BFDAPITestCase(VppTestCase): """activate SHA1 authentication""" key = self.factory.create_random_key(self) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) session.add_vpp_config() session.activate_auth(key) @@ -303,7 +491,13 @@ class BFDAPITestCase(VppTestCase): """deactivate SHA1 authentication""" key = self.factory.create_random_key(self) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) session.add_vpp_config() session.activate_auth(key) session.deactivate_auth() @@ -316,12 +510,25 @@ class BFDAPITestCase(VppTestCase): key2 = self.factory.create_random_key(self) key1.add_vpp_config() key2.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4, sha1_key=key1) + session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key1, + ) session.add_vpp_config() session.activate_auth(key2) def test_set_del_udp_echo_source(self): """set/del udp echo source""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + self.create_loopback_interfaces(1) self.loopback0 = self.lo_interfaces[0] self.loopback0.admin_up() @@ -382,6 +589,9 @@ class BFDTestSession(object): our_seq_number=None, tunnel_header=None, phy_interface=None, + multihop=False, + local_addr=None, + peer_addr=None, ): self.test = test self.af = af @@ -413,6 +623,29 @@ class BFDTestSession(object): self.tx_packets_echo = 0 self.rx_packets_echo = 0 + if multihop: + self.sw_if_index = 0 + BFD.udp_dport = BFD_UDP_MH_PORT + else: + BFD.udp_dport = BFD_UDP_SH_PORT + self.sw_if_index = self.interface.sw_if_index + + if local_addr: + self.local_addr = local_addr + else: + if self.af == AF_INET: + self.local_addr = self.interface.local_ip4 + else: + self.local_addr = self.interface.local_ip6 + + if peer_addr: + self.peer_addr = peer_addr + else: + if self.af == AF_INET: + self.peer_addr = self.interface.remote_ip4 + else: + self.peer_addr = self.interface.remote_ip6 + def inc_seq_num(self): """increment sequence number, wrapping if needed""" if self.our_seq_number == 0xFFFFFFFF: @@ -516,8 +749,8 @@ class BFDTestSession(object): packet = ( packet / IPv6( - src=self.interface.remote_ip6, - dst=self.interface.local_ip6, + src=self.peer_addr, + dst=self.local_addr, hlim=255, ) / UDP(sport=self.udp_sport, dport=BFD.udp_dport) @@ -526,9 +759,7 @@ class BFDTestSession(object): else: packet = ( packet - / IP( - src=self.interface.remote_ip4, dst=self.interface.local_ip4, ttl=255 - ) + / IP(src=self.peer_addr, dst=self.local_addr, ttl=255) / UDP(sport=self.udp_sport, dport=BFD.udp_dport) / bfd ) @@ -709,13 +940,13 @@ def verify_ip(test, packet): """Verify correctness of IP layer.""" if test.vpp_session.af == AF_INET6: ip = packet[IPv6] - local_ip = test.vpp_session.interface.local_ip6 - remote_ip = test.vpp_session.interface.remote_ip6 + local_ip = test.vpp_session.local_addr + remote_ip = test.vpp_session.peer_addr test.assert_equal(ip.hlim, 255, "IPv6 hop limit") else: ip = packet[IP] - local_ip = test.vpp_session.interface.local_ip4 - remote_ip = test.vpp_session.interface.remote_ip4 + local_ip = test.vpp_session.local_addr + remote_ip = test.vpp_session.peer_addr test.assert_equal(ip.ttl, 255, "IPv4 TTL") test.assert_equal(ip.src, local_ip, "IP source address") test.assert_equal(ip.dst, remote_ip, "IP destination address") @@ -735,7 +966,7 @@ def verify_event(test, event, expected_state): e = event test.logger.debug("BFD: Event: %s" % reprlib.repr(e)) test.assert_equal( - e.sw_if_index, test.vpp_session.interface.sw_if_index, "BFD interface index" + e.sw_if_index, test.vpp_session._sw_if_index, "BFD interface index" ) test.assert_equal( @@ -819,19 +1050,30 @@ def bfd_stats_diff(stats_before, stats_after): return BFDStats(rx, rx_echo, tx, tx_echo) +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo @tag_fixme_debian11 class BFD4TestCase(VppTestCase): - """Bidirectional Forwarding Detection (BFD)""" - pg0 = None + interface0 = None vpp_clock_offset = None vpp_session = None test_session = None + src_ip_net = "" + dst_ip_net = "" @classmethod def setUpClass(cls): super(BFD4TestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = ( + f"""""Bidirectional Forwarding Detection (BFD) - IPv4, {hoptype_str}""" + ) cls.vapi.cli("set log class bfd level debug") try: cls.create_pg_interfaces([0]) @@ -857,14 +1099,36 @@ class BFD4TestCase(VppTestCase): self.factory = AuthKeyFactory() self.vapi.want_bfd_events() self.pg0.enable_capture() + set_ipv4_pfx_route_info(self, self.pg0, BFD_IPV4_REMOTE_ADDR, True) + try: - self.bfd_udp4_sessions = self.statistics["/bfd/udp4/sessions"] - self.bfd_udp6_sessions = self.statistics["/bfd/udp6/sessions"] + if self.multihop: + self.interface0 = None + self.bfd_udp4_sessions = self.statistics[BFD_STATS_V4_MH_PATH] + self.bfd_udp6_sessions = self.statistics[BFD_STATS_V6_MH_PATH] + else: + self.interface0 = self.pg0 + self.bfd_udp4_sessions = self.statistics[BFD_STATS_V4_SH_PATH] + self.bfd_udp6_sessions = self.statistics[BFD_STATS_V6_SH_PATH] + self.vapi.cli("trace add bfd-process 500") - self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + self.vpp_session = VppBFDUDPSession( + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() - self.test_session = BFDTestSession(self, self.pg0, AF_INET) + self.test_session = BFDTestSession( + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + ) except BaseException: self.vapi.want_bfd_events(enable_disable=0) raise @@ -878,8 +1142,13 @@ class BFD4TestCase(VppTestCase): def test_session_up(self): """bring BFD session up""" bfd_session_up(self) - bfd_udp4_sessions = self.statistics["/bfd/udp4/sessions"] - bfd_udp6_sessions = self.statistics["/bfd/udp6/sessions"] + if self.multihop: + bfd_udp4_sessions = self.statistics[BFD_STATS_V4_MH_PATH] + bfd_udp6_sessions = self.statistics[BFD_STATS_V6_MH_PATH] + else: + bfd_udp4_sessions = self.statistics[BFD_STATS_V4_SH_PATH] + bfd_udp6_sessions = self.statistics[BFD_STATS_V6_SH_PATH] + self.assert_equal(bfd_udp4_sessions - self.bfd_udp4_sessions, 1) self.assert_equal(bfd_udp6_sessions, self.bfd_udp6_sessions) @@ -1020,7 +1289,12 @@ class BFD4TestCase(VppTestCase): """immediately honor remote required min rx reduction""" self.vpp_session.remove_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, desired_min_tx=10000 + self, + self.interface0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + desired_min_tx=10000, ) self.pg0.enable_capture() self.vpp_session.add_vpp_config() @@ -1265,6 +1539,12 @@ class BFD4TestCase(VppTestCase): def test_echo_looped_back(self): """echo packets looped back""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) stats_before = bfd_grab_stats_snapshot(self) self.pg0.enable_capture() @@ -1329,6 +1609,12 @@ class BFD4TestCase(VppTestCase): def test_echo(self): """echo function""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + stats_before = bfd_grab_stats_snapshot(self) bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) @@ -1420,6 +1706,12 @@ class BFD4TestCase(VppTestCase): def test_echo_fail(self): """session goes down if echo function fails""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) self.test_session.send_packet() @@ -1462,6 +1754,12 @@ class BFD4TestCase(VppTestCase): def test_echo_stop(self): """echo function stops if peer sets required min echo rx zero""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) self.test_session.send_packet() @@ -1492,6 +1790,12 @@ class BFD4TestCase(VppTestCase): def test_echo_source_removed(self): """echo function stops if echo source is removed""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) self.test_session.send_packet() @@ -1522,6 +1826,12 @@ class BFD4TestCase(VppTestCase): def test_stale_echo(self): """stale echo packets don't keep a session up""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) self.vapi.bfd_udp_set_echo_source(sw_if_index=self.loopback0.sw_if_index) @@ -1581,6 +1891,12 @@ class BFD4TestCase(VppTestCase): def test_invalid_echo_checksum(self): """echo packets with invalid checksum don't keep a session up""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) self.vapi.bfd_udp_set_echo_source(sw_if_index=self.loopback0.sw_if_index) @@ -1713,28 +2029,55 @@ class BFD4TestCase(VppTestCase): intf.config_ip4() intf.admin_up() sw_if_index = intf.sw_if_index - vpp_session = VppBFDUDPSession(self, intf, intf.remote_ip4) + + # Setup routing info for multihop + set_ipv4_pfx_route_info(self, intf, BFD_IPV4_REMOTE_ADDR2, False) + + vpp_session = VppBFDUDPSession( + self, + intf, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) + vpp_session.add_vpp_config() vpp_session.admin_up() intf.remove_vpp_config() - e = self.vapi.wait_for_event(1, "bfd_udp_session_event") - self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") - self.assertFalse(vpp_session.query_vpp_config()) + + # BFD session is removed only for single-hop session + if self.multihop: + self.assertTrue(vpp_session.query_vpp_config()) + else: + e = self.vapi.wait_for_event(1, "bfd_udp_session_event") + self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") + self.assertFalse(vpp_session.query_vpp_config()) +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo @tag_fixme_vpp_workers class BFD6TestCase(VppTestCase): - """Bidirectional Forwarding Detection (BFD) (IPv6)""" - pg0 = None + interface0 = None vpp_clock_offset = None vpp_session = None test_session = None + src_ip6_net = "" + dst_ip6_net = "" @classmethod def setUpClass(cls): super(BFD6TestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = ( + f"""""Bidirectional Forwarding Detection (BFD) - IPv6, {hoptype_str}""" + ) cls.vapi.cli("set log class bfd level debug") try: cls.create_pg_interfaces([0]) @@ -1760,21 +2103,43 @@ class BFD6TestCase(VppTestCase): self.factory = AuthKeyFactory() self.vapi.want_bfd_events() self.pg0.enable_capture() + set_ipv6_pfx_route_info(self, self.pg0, BFD_IPV6_REMOTE_ADDR, True) + try: - self.bfd_udp4_sessions = self.statistics["/bfd/udp4/sessions"] - self.bfd_udp6_sessions = self.statistics["/bfd/udp6/sessions"] + if self.multihop: + self.interface0 = None + self.bfd_udp4_sessions = self.statistics[BFD_STATS_V4_MH_PATH] + self.bfd_udp6_sessions = self.statistics[BFD_STATS_V6_MH_PATH] + else: + self.interface0 = self.pg0 + self.bfd_udp4_sessions = self.statistics[BFD_STATS_V4_SH_PATH] + self.bfd_udp6_sessions = self.statistics[BFD_STATS_V6_SH_PATH] + self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, af=AF_INET6 + self, + self.interface0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() - self.test_session = BFDTestSession(self, self.pg0, AF_INET6) + self.test_session = BFDTestSession( + self, + self.pg0, + AF_INET6, + local_addr=self.src_ip6_net, + peer_addr=self.dst_ip6_net, + multihop=self.multihop, + ) self.logger.debug(self.vapi.cli("show adj nbr")) except BaseException: self.vapi.want_bfd_events(enable_disable=0) raise def tearDown(self): + self.vpp_session.remove_vpp_config() if not self.vpp_dead: self.vapi.want_bfd_events(enable_disable=0) self.vapi.collect_events() # clear the event queue @@ -1783,8 +2148,13 @@ class BFD6TestCase(VppTestCase): def test_session_up(self): """bring BFD session up""" bfd_session_up(self) - bfd_udp4_sessions = self.statistics["/bfd/udp4/sessions"] - bfd_udp6_sessions = self.statistics["/bfd/udp6/sessions"] + if self.multihop: + bfd_udp4_sessions = self.statistics[BFD_STATS_V4_MH_PATH] + bfd_udp6_sessions = self.statistics[BFD_STATS_V6_MH_PATH] + else: + bfd_udp4_sessions = self.statistics[BFD_STATS_V4_SH_PATH] + bfd_udp6_sessions = self.statistics[BFD_STATS_V6_SH_PATH] + self.assert_equal(bfd_udp4_sessions, self.bfd_udp4_sessions) self.assert_equal(bfd_udp6_sessions - self.bfd_udp6_sessions, 1) @@ -1828,6 +2198,12 @@ class BFD6TestCase(VppTestCase): def test_echo_looped_back(self): """echo packets looped back""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + bfd_session_up(self) stats_before = bfd_grab_stats_snapshot(self) self.pg0.enable_capture() @@ -1891,6 +2267,12 @@ class BFD6TestCase(VppTestCase): def test_echo(self): """echo function""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + stats_before = bfd_grab_stats_snapshot(self) bfd_session_up(self) self.test_session.update(required_min_echo_rx=150000) @@ -1988,25 +2370,53 @@ class BFD6TestCase(VppTestCase): intf.config_ip6() intf.admin_up() sw_if_index = intf.sw_if_index - vpp_session = VppBFDUDPSession(self, intf, intf.remote_ip6, af=AF_INET6) + + # Setup routing info for multihop + set_ipv6_pfx_route_info(self, intf, BFD_IPV6_REMOTE_ADDR2, False) + + vpp_session = VppBFDUDPSession( + self, + intf, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + ) + vpp_session.add_vpp_config() vpp_session.admin_up() intf.remove_vpp_config() - e = self.vapi.wait_for_event(1, "bfd_udp_session_event") - self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") - self.assertFalse(vpp_session.query_vpp_config()) + # BFD session is removed only for single-hop session + if self.multihop: + self.assertTrue(vpp_session.query_vpp_config()) + else: + e = self.vapi.wait_for_event(1, "bfd_udp_session_event") + self.assert_equal(e.sw_if_index, sw_if_index, "sw_if_index") + self.assertFalse(vpp_session.query_vpp_config()) + +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo class BFDFIBTestCase(VppTestCase): """BFD-FIB interactions (IPv6)""" vpp_session = None test_session = None + src_ip6_net = "" + dst_ip6_net = "" @classmethod def setUpClass(cls): super(BFDFIBTestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = f"""""BFD-FIB interactions (IPv6) - {hoptype_str}""" + cls.vapi.cli("set log class bfd level debug") @classmethod def tearDownClass(cls): @@ -2015,6 +2425,10 @@ class BFDFIBTestCase(VppTestCase): def setUp(self): super(BFDFIBTestCase, self).setUp() self.create_pg_interfaces(range(1)) + self.create_loopback_interfaces(1) + self.loopback0 = self.lo_interfaces[0] + self.loopback0.config_ip6() + self.loopback0.admin_up() self.vapi.want_bfd_events() self.pg0.enable_capture() @@ -2024,6 +2438,8 @@ class BFDFIBTestCase(VppTestCase): i.config_ip6() i.configure_ipv6_neighbors() + set_ipv6_pfx_route_info(self, self.pg0, BFD_IPV6_REMOTE_ADDR, True) + def tearDown(self): if not self.vpp_dead: self.vapi.want_bfd_events(enable_disable=False) @@ -2056,27 +2472,44 @@ class BFDFIBTestCase(VppTestCase): ), ] - # A recursive and a non-recursive route via a next-hop that - # will have a BFD session + # Two different routes via a next-hop that will have a BFD session. + # One of the routes is non-recursive route only for single-hop. + if self.multihop: + intf_index = 0xFFFFFFFF + else: + intf_index = self.pg0.sw_if_index + ip_2001_s_64 = VppIpRoute( self, "2001::", 64, - [VppRoutePath(self.pg0.remote_ip6, self.pg0.sw_if_index)], + [VppRoutePath(self.dst_ip6_net, intf_index)], ) ip_2002_s_64 = VppIpRoute( - self, "2002::", 64, [VppRoutePath(self.pg0.remote_ip6, 0xFFFFFFFF)] + self, "2002::", 64, [VppRoutePath(self.dst_ip6_net, 0xFFFFFFFF)] ) ip_2001_s_64.add_vpp_config() ip_2002_s_64.add_vpp_config() # bring the session up now the routes are present self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, af=AF_INET6 + self, + self.pg0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() - self.test_session = BFDTestSession(self, self.pg0, AF_INET6) + self.test_session = BFDTestSession( + self, + self.pg0, + AF_INET6, + local_addr=self.src_ip6_net, + peer_addr=self.dst_ip6_net, + multihop=self.multihop, + ) # session is up - traffic passes bfd_session_up(self) @@ -2089,7 +2522,7 @@ class BFDFIBTestCase(VppTestCase): ) self.assertEqual(captured[IPv6].dst, packet[IPv6].dst) - # session is up - traffic is dropped + # session is down - traffic is dropped bfd_session_down(self) self.pg0.add_stream(p) @@ -2192,22 +2625,35 @@ class BFDTunTestCase(VppTestCase): bfd_session_down(self) +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo class BFDSHA1TestCase(VppTestCase): - """Bidirectional Forwarding Detection (BFD) (SHA1 auth)""" - pg0 = None vpp_clock_offset = None vpp_session = None test_session = None + src_ip_net = "" + dst_ip_net = "" @classmethod def setUpClass(cls): super(BFDSHA1TestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = f"""""Bidirectional Forwarding Detection (BFD) - SHA1 auth - {hoptype_str}""" cls.vapi.cli("set log class bfd level debug") try: cls.create_pg_interfaces([0]) + cls.create_loopback_interfaces(1) + cls.loopback0 = cls.lo_interfaces[0] + cls.loopback0.config_ip4() + cls.loopback0.admin_up() cls.pg0.config_ip4() + cls.pg0.configure_ipv4_neighbors() cls.pg0.admin_up() cls.pg0.resolve_arp() @@ -2224,6 +2670,7 @@ class BFDSHA1TestCase(VppTestCase): self.factory = AuthKeyFactory() self.vapi.want_bfd_events() self.pg0.enable_capture() + set_ipv4_pfx_route_info(self, self.pg0, BFD_IPV4_REMOTE_ADDR, True) def tearDown(self): if not self.vpp_dead: @@ -2236,7 +2683,12 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() @@ -2244,6 +2696,9 @@ class BFDSHA1TestCase(VppTestCase): self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2254,7 +2709,12 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() @@ -2262,6 +2722,9 @@ class BFDSHA1TestCase(VppTestCase): self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2276,7 +2739,12 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self, BFDAuthType.meticulous_keyed_sha1) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() @@ -2285,6 +2753,9 @@ class BFDSHA1TestCase(VppTestCase): self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, our_seq_number=0xFFFFFFFF - 4, @@ -2301,13 +2772,21 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self, BFDAuthType.meticulous_keyed_sha1) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2376,12 +2855,31 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) legitimate_test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, + ) + rogue_test_session = BFDTestSession( + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, ) - rogue_test_session = BFDTestSession(self, self.pg0, AF_INET) self.execute_rogue_session_scenario( vpp_session, legitimate_test_session, rogue_test_session ) @@ -2391,17 +2889,36 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) # pick a different random bfd key id x = randint(0, 255) while x == vpp_session.bfd_key_id: x = randint(0, 255) legitimate_test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, ) rogue_test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=x + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=key, + bfd_key_id=x, ) self.execute_rogue_session_scenario( vpp_session, legitimate_test_session, rogue_test_session @@ -2412,13 +2929,32 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) legitimate_test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, ) rogue_test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=key, + bfd_key_id=vpp_session.bfd_key_id, ) self.execute_rogue_session_scenario( vpp_session, @@ -2432,13 +2968,21 @@ class BFDSHA1TestCase(VppTestCase): key = self.factory.create_random_key(self, BFDAuthType.meticulous_keyed_sha1) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, our_seq_number=0, @@ -2464,10 +3008,14 @@ class BFDSHA1TestCase(VppTestCase): bfd_session_up(self) +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo class BFDAuthOnOffTestCase(VppTestCase): - """Bidirectional Forwarding Detection (BFD) (changing auth)""" - pg0 = None vpp_session = None test_session = None @@ -2475,10 +3023,17 @@ class BFDAuthOnOffTestCase(VppTestCase): @classmethod def setUpClass(cls): super(BFDAuthOnOffTestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = f"""""Bidirectional Forwarding Detection (BFD) - changing auth - {hoptype_str}""" cls.vapi.cli("set log class bfd level debug") try: cls.create_pg_interfaces([0]) + cls.create_loopback_interfaces(1) + cls.loopback0 = cls.lo_interfaces[0] + cls.loopback0.config_ip4() + cls.loopback0.admin_up() cls.pg0.config_ip4() + cls.pg0.configure_ipv4_neighbors() cls.pg0.admin_up() cls.pg0.resolve_arp() @@ -2495,6 +3050,7 @@ class BFDAuthOnOffTestCase(VppTestCase): self.factory = AuthKeyFactory() self.vapi.want_bfd_events() self.pg0.enable_capture() + set_ipv4_pfx_route_info(self, self.pg0, BFD_IPV4_REMOTE_ADDR, True) def tearDown(self): if not self.vpp_dead: @@ -2506,9 +3062,22 @@ class BFDAuthOnOffTestCase(VppTestCase): """turn auth on without disturbing session state (immediate)""" key = self.factory.create_random_key(self) key.add_vpp_config() - self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + self.vpp_session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) self.vpp_session.add_vpp_config() - self.test_session = BFDTestSession(self, self.pg0, AF_INET) + self.test_session = BFDTestSession( + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + ) bfd_session_up(self) for dummy in range(self.test_session.detect_mult * 2): p = wait_for_bfd_packet(self) @@ -2529,13 +3098,21 @@ class BFDAuthOnOffTestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2564,13 +3141,21 @@ class BFDAuthOnOffTestCase(VppTestCase): key2 = self.factory.create_random_key(self) key2.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key1 + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key1, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key1, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2593,9 +3178,22 @@ class BFDAuthOnOffTestCase(VppTestCase): """turn auth on without disturbing session state (delayed)""" key = self.factory.create_random_key(self) key.add_vpp_config() - self.vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + self.vpp_session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) self.vpp_session.add_vpp_config() - self.test_session = BFDTestSession(self, self.pg0, AF_INET) + self.test_session = BFDTestSession( + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + ) bfd_session_up(self) for dummy in range(self.test_session.detect_mult * 2): wait_for_bfd_packet(self) @@ -2620,13 +3218,21 @@ class BFDAuthOnOffTestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2657,7 +3263,12 @@ class BFDAuthOnOffTestCase(VppTestCase): key2 = self.factory.create_random_key(self) key2.add_vpp_config() self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key1 + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key1, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() @@ -2665,6 +3276,9 @@ class BFDAuthOnOffTestCase(VppTestCase): self, self.pg0, AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, sha1_key=key1, bfd_key_id=self.vpp_session.bfd_key_id, ) @@ -2689,6 +3303,12 @@ class BFDAuthOnOffTestCase(VppTestCase): self.assert_equal(len(self.vapi.collect_events()), 0, "number of bfd events") +@parameterized_class( + [ + {"multihop": False}, + {"multihop": True}, + ] +) @tag_run_solo class BFDCLITestCase(VppTestCase): """Bidirectional Forwarding Detection (BFD) (CLI)""" @@ -2698,11 +3318,22 @@ class BFDCLITestCase(VppTestCase): @classmethod def setUpClass(cls): super(BFDCLITestCase, cls).setUpClass() + hoptype_str = "MultiHop" if cls.multihop else "SingleHop" + cls.__doc__ = ( + f"""""Bidirectional Forwarding Detection (BFD) - CLI - {hoptype_str}""" + ) cls.vapi.cli("set log class bfd level debug") try: - cls.create_pg_interfaces((0,)) + cls.create_pg_interfaces([0]) + cls.create_loopback_interfaces(1) + cls.loopback0 = cls.lo_interfaces[0] + cls.loopback0.config_ip4() + cls.loopback0.config_ip6() + cls.loopback0.admin_up() cls.pg0.config_ip4() cls.pg0.config_ip6() + cls.pg0.configure_ipv4_neighbors() + cls.pg0.admin_up() cls.pg0.resolve_arp() cls.pg0.resolve_ndp() @@ -2718,6 +3349,13 @@ class BFDCLITestCase(VppTestCase): super(BFDCLITestCase, self).setUp() self.factory = AuthKeyFactory() self.pg0.enable_capture() + set_ipv4_pfx_route_info(self, self.pg0, BFD_IPV4_REMOTE_ADDR, True) + set_ipv6_pfx_route_info(self, self.pg0, BFD_IPV6_REMOTE_ADDR, True) + + if self.multihop: + self.cli_str = "multihop" + else: + self.cli_str = "interface %s" % self.pg0.name def tearDown(self): try: @@ -2748,10 +3386,22 @@ class BFDCLITestCase(VppTestCase): self, auth_type=BFDAuthType.meticulous_keyed_sha1 ) k2.add_vpp_config() - s1 = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + s1 = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) s1.add_vpp_config() s2 = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=k2 + self, + self.pg0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + sha1_key=k2, ) s2.add_vpp_config() self.logger.info(self.vapi.ppcli("show bfd keys")) @@ -2771,11 +3421,23 @@ class BFDCLITestCase(VppTestCase): ) self.assertTrue(k.query_vpp_config()) self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=k + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=k, ) self.vpp_session.add_vpp_config() self.test_session = BFDTestSession( - self, self.pg0, AF_INET, sha1_key=k, bfd_key_id=self.vpp_session.bfd_key_id + self, + self.pg0, + AF_INET, + local_addr=self.src_ip_net, + peer_addr=self.dst_ip_net, + multihop=self.multihop, + sha1_key=k, + bfd_key_id=self.vpp_session.bfd_key_id, ) self.vapi.want_bfd_events() bfd_session_up(self) @@ -2814,12 +3476,25 @@ class BFDCLITestCase(VppTestCase): ) self.assertTrue(k.query_vpp_config()) self.vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=k + self, + self.pg0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + sha1_key=k, ) self.vpp_session.add_vpp_config() self.vpp_session.admin_up() self.test_session = BFDTestSession( - self, self.pg0, AF_INET6, sha1_key=k, bfd_key_id=self.vpp_session.bfd_key_id + self, + self.pg0, + AF_INET6, + local_addr=self.src_ip6_net, + peer_addr=self.dst_ip6_net, + multihop=self.multihop, + sha1_key=k, + bfd_key_id=self.vpp_session.bfd_key_id, ) self.vapi.want_bfd_events() bfd_session_up(self) @@ -2845,16 +3520,22 @@ class BFDCLITestCase(VppTestCase): def test_add_mod_del_bfd_udp(self): """create/modify/delete IPv4 BFD UDP session""" - vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + vpp_session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) self.registry.register(vpp_session, self.logger) cli_add_cmd = ( - "bfd udp session add interface %s local-addr %s " + "bfd udp session add %s local-addr %s " "peer-addr %s desired-min-tx %s required-min-rx %s " "detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, vpp_session.desired_min_tx, vpp_session.required_min_rx, vpp_session.detect_mult, @@ -2868,30 +3549,34 @@ class BFDCLITestCase(VppTestCase): " failed, rv=-101:Duplicate BFD object", ) verify_bfd_session_config(self, vpp_session) + mod_session = VppBFDUDPSession( self, self.pg0, - self.pg0.remote_ip4, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, required_min_rx=2 * vpp_session.required_min_rx, desired_min_tx=3 * vpp_session.desired_min_tx, detect_mult=4 * vpp_session.detect_mult, ) self.cli_verify_no_response( - "bfd udp session mod interface %s local-addr %s peer-addr %s " + "bfd udp session mod %s local-addr %s peer-addr %s " "desired-min-tx %s required-min-rx %s detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, mod_session.desired_min_tx, mod_session.required_min_rx, mod_session.detect_mult, ) ) verify_bfd_session_config(self, mod_session) - cli_del_cmd = ( - "bfd udp session del interface %s local-addr %s " - "peer-addr %s" % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + cli_del_cmd = "bfd udp session del %s local-addr %s peer-addr %s" % ( + self.cli_str, + self.src_ip_net, + self.dst_ip_net, ) self.cli_verify_no_response(cli_del_cmd) # 2nd del is expected to fail @@ -2902,18 +3587,83 @@ class BFDCLITestCase(VppTestCase): ) self.assertFalse(vpp_session.query_vpp_config()) + if self.multihop: + # specifying multihop and interface should fail + cli_add_cmd = ( + "bfd udp session add multihop interface %s local-addr 1.1.1.1 " + "peer-addr 2.2.2.2 desired-min-tx 50000 required-min-rx 1000 " + "detect-mult 3" % (self.pg0.name) + ) + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: Incompatible parameter combination, " + "interface cannot be specified when multihop is enabled", + ) + cli_mod_cmd = ( + "bfd udp session mod multihop interface %s local-addr 1.1.1.1 " + "peer-addr 2.2.2.2 desired-min-tx 50000 required-min-rx 1000 " + "detect-mult 3" % (self.pg0.name) + ) + self.cli_verify_response( + cli_mod_cmd, + "bfd udp session mod: Incompatible parameter combination, " + "interface cannot be specified when multihop is enabled", + ) + cli_del_cmd = ( + "bfd udp session del multihop interface %s local-addr 1.1.1.1 " + "peer-addr 2.2.2.2" % (self.pg0.name) + ) + self.cli_verify_response( + cli_del_cmd, + "bfd udp session del: Incompatible parameter combination, " + "interface cannot be specified when multihop is enabled", + ) + + # Not specifying multihop or interface should fail + cli_add_cmd = ( + "bfd udp session add local-addr 1.1.1.1 peer-addr 2.2.2.2 " + "desired-min-tx 50000 required-min-rx 1000 detect-mult 3" + ) + self.cli_verify_response( + cli_add_cmd, + "bfd udp session add: Incompatible parameter combination, " + "interface must be set if not multihop", + ) + cli_mod_cmd = ( + "bfd udp session mod local-addr 1.1.1.1 peer-addr 2.2.2.2 " + "desired-min-tx 50000 required-min-rx 1000 detect-mult 3" + ) + self.cli_verify_response( + cli_mod_cmd, + "bfd udp session mod: Incompatible parameter combination, " + "interface must be set if not multihop", + ) + cli_del_cmd = "bfd udp session del local-addr 1.1.1.1 peer-addr 2.2.2.2 " + self.cli_verify_response( + cli_del_cmd, + "bfd udp session del: Incompatible parameter combination, " + "interface must be set if not multihop", + ) + def test_add_mod_del_bfd_udp6(self): """create/modify/delete IPv6 BFD UDP session""" - vpp_session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip6, af=AF_INET6) + vpp_session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + ) self.registry.register(vpp_session, self.logger) cli_add_cmd = ( - "bfd udp session add interface %s local-addr %s " + "bfd udp session add %s local-addr %s " "peer-addr %s desired-min-tx %s required-min-rx %s " "detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip6, - self.pg0.remote_ip6, + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, vpp_session.desired_min_tx, vpp_session.required_min_rx, vpp_session.detect_mult, @@ -2930,28 +3680,31 @@ class BFDCLITestCase(VppTestCase): mod_session = VppBFDUDPSession( self, self.pg0, - self.pg0.remote_ip6, + self.dst_ip6_net, + local_addr=self.src_ip6_net, af=AF_INET6, + multihop=self.multihop, required_min_rx=2 * vpp_session.required_min_rx, desired_min_tx=3 * vpp_session.desired_min_tx, detect_mult=4 * vpp_session.detect_mult, ) self.cli_verify_no_response( - "bfd udp session mod interface %s local-addr %s peer-addr %s " + "bfd udp session mod %s local-addr %s peer-addr %s " "desired-min-tx %s required-min-rx %s detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip6, - self.pg0.remote_ip6, + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, mod_session.desired_min_tx, mod_session.required_min_rx, mod_session.detect_mult, ) ) verify_bfd_session_config(self, mod_session) - cli_del_cmd = ( - "bfd udp session del interface %s local-addr %s " - "peer-addr %s" % (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6) + cli_del_cmd = "bfd udp session del %s local-addr %s peer-addr %s" % ( + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, ) self.cli_verify_no_response(cli_del_cmd) # 2nd del is expected to fail @@ -2967,17 +3720,22 @@ class BFDCLITestCase(VppTestCase): key = self.factory.create_random_key(self) key.add_vpp_config() vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) self.registry.register(vpp_session, self.logger) cli_add_cmd = ( - "bfd udp session add interface %s local-addr %s " + "bfd udp session add %s local-addr %s " "peer-addr %s desired-min-tx %s required-min-rx %s " "detect-mult %s conf-key-id %s bfd-key-id %s" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, vpp_session.desired_min_tx, vpp_session.required_min_rx, vpp_session.detect_mult, @@ -2996,7 +3754,9 @@ class BFDCLITestCase(VppTestCase): mod_session = VppBFDUDPSession( self, self.pg0, - self.pg0.remote_ip4, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id, required_min_rx=2 * vpp_session.required_min_rx, @@ -3004,21 +3764,22 @@ class BFDCLITestCase(VppTestCase): detect_mult=4 * vpp_session.detect_mult, ) self.cli_verify_no_response( - "bfd udp session mod interface %s local-addr %s peer-addr %s " + "bfd udp session mod %s local-addr %s peer-addr %s " "desired-min-tx %s required-min-rx %s detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, mod_session.desired_min_tx, mod_session.required_min_rx, mod_session.detect_mult, ) ) verify_bfd_session_config(self, mod_session) - cli_del_cmd = ( - "bfd udp session del interface %s local-addr %s " - "peer-addr %s" % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + cli_del_cmd = "bfd udp session del %s local-addr %s peer-addr %s" % ( + self.cli_str, + self.src_ip_net, + self.dst_ip_net, ) self.cli_verify_no_response(cli_del_cmd) # 2nd del is expected to fail @@ -3036,17 +3797,23 @@ class BFDCLITestCase(VppTestCase): ) key.add_vpp_config() vpp_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip6, af=AF_INET6, sha1_key=key + self, + self.pg0, + self.dst_ip6_net, + local_addr=self.src_ip6_net, + af=AF_INET6, + multihop=self.multihop, + sha1_key=key, ) self.registry.register(vpp_session, self.logger) cli_add_cmd = ( - "bfd udp session add interface %s local-addr %s " + "bfd udp session add %s local-addr %s " "peer-addr %s desired-min-tx %s required-min-rx %s " "detect-mult %s conf-key-id %s bfd-key-id %s" % ( - self.pg0.name, - self.pg0.local_ip6, - self.pg0.remote_ip6, + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, vpp_session.desired_min_tx, vpp_session.required_min_rx, vpp_session.detect_mult, @@ -3065,8 +3832,10 @@ class BFDCLITestCase(VppTestCase): mod_session = VppBFDUDPSession( self, self.pg0, - self.pg0.remote_ip6, + self.dst_ip6_net, + local_addr=self.src_ip6_net, af=AF_INET6, + multihop=self.multihop, sha1_key=key, bfd_key_id=vpp_session.bfd_key_id, required_min_rx=2 * vpp_session.required_min_rx, @@ -3074,21 +3843,22 @@ class BFDCLITestCase(VppTestCase): detect_mult=4 * vpp_session.detect_mult, ) self.cli_verify_no_response( - "bfd udp session mod interface %s local-addr %s peer-addr %s " + "bfd udp session mod %s local-addr %s peer-addr %s " "desired-min-tx %s required-min-rx %s detect-mult %s" % ( - self.pg0.name, - self.pg0.local_ip6, - self.pg0.remote_ip6, + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, mod_session.desired_min_tx, mod_session.required_min_rx, mod_session.detect_mult, ) ) verify_bfd_session_config(self, mod_session) - cli_del_cmd = ( - "bfd udp session del interface %s local-addr %s " - "peer-addr %s" % (self.pg0.name, self.pg0.local_ip6, self.pg0.remote_ip6) + cli_del_cmd = "bfd udp session del %s local-addr %s peer-addr %s" % ( + self.cli_str, + self.src_ip6_net, + self.dst_ip6_net, ) self.cli_verify_no_response(cli_del_cmd) # 2nd del is expected to fail @@ -3105,18 +3875,29 @@ class BFDCLITestCase(VppTestCase): self, auth_type=BFDAuthType.meticulous_keyed_sha1 ) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) auth_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) session.add_vpp_config() cli_activate = ( - "bfd udp session auth activate interface %s local-addr %s " + "bfd udp session auth activate %s local-addr %s " "peer-addr %s conf-key-id %s bfd-key-id %s" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, key.conf_key_id, auth_session.bfd_key_id, ) @@ -3126,32 +3907,106 @@ class BFDCLITestCase(VppTestCase): self.cli_verify_no_response(cli_activate) verify_bfd_session_config(self, auth_session) cli_deactivate = ( - "bfd udp session auth deactivate interface %s local-addr %s " - "peer-addr %s " % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + "bfd udp session auth deactivate %s local-addr %s " + "peer-addr %s" % (self.cli_str, self.src_ip_net, self.dst_ip_net) ) self.cli_verify_no_response(cli_deactivate) verify_bfd_session_config(self, session) self.cli_verify_no_response(cli_deactivate) verify_bfd_session_config(self, session) + if self.multihop: + # specifying multihop and interface should fail + cli_activate = ( + "bfd udp session auth activate multihop interface %s " + "local-addr %s peer-addr %s conf-key-id %s bfd-key-id %s" + % ( + self.pg0.name, + self.src_ip_net, + self.dst_ip_net, + key.conf_key_id, + auth_session.bfd_key_id, + ) + ) + self.cli_verify_response( + cli_activate, + "bfd udp session auth activate: Incompatible parameter " + "combination, interface cannot be specified when multihop " + "is enabled", + ) + cli_deactivate = ( + "bfd udp session auth deactivate multihop interface %s " + "local-addr %s peer-addr %s" + % ( + self.pg0.name, + self.src_ip_net, + self.dst_ip_net, + ) + ) + self.cli_verify_response( + cli_deactivate, + "bfd udp session auth deactivate: Incompatible parameter " + "combination, interface cannot be specified when multihop " + "is enabled", + ) + # Not specifying multihop or interface should fail + cli_activate = ( + "bfd udp session auth activate local-addr %s peer-addr %s " + "conf-key-id %s bfd-key-id %s" + % ( + self.src_ip_net, + self.dst_ip_net, + key.conf_key_id, + auth_session.bfd_key_id, + ) + ) + self.cli_verify_response( + cli_activate, + "bfd udp session auth activate: Incompatible parameter " + "combination, interface must be set if not multihop", + ) + cli_deactivate = ( + "bfd udp session auth deactivate local-addr %s peer-addr %s " + % ( + self.src_ip_net, + self.dst_ip_net, + ) + ) + self.cli_verify_response( + cli_deactivate, + "bfd udp session auth deactivate: Incompatible parameter " + "combination, interface must be set if not multihop", + ) + def test_auth_on_off_delayed(self): """turn authentication on and off (delayed)""" key = self.factory.create_random_key( self, auth_type=BFDAuthType.meticulous_keyed_sha1 ) key.add_vpp_config() - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) auth_session = VppBFDUDPSession( - self, self.pg0, self.pg0.remote_ip4, sha1_key=key + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + sha1_key=key, ) session.add_vpp_config() cli_activate = ( - "bfd udp session auth activate interface %s local-addr %s " + "bfd udp session auth activate %s local-addr %s " "peer-addr %s conf-key-id %s bfd-key-id %s delayed yes" % ( - self.pg0.name, - self.pg0.local_ip4, - self.pg0.remote_ip4, + self.cli_str, + self.src_ip_net, + self.dst_ip_net, key.conf_key_id, auth_session.bfd_key_id, ) @@ -3161,9 +4016,9 @@ class BFDCLITestCase(VppTestCase): self.cli_verify_no_response(cli_activate) verify_bfd_session_config(self, auth_session) cli_deactivate = ( - "bfd udp session auth deactivate interface %s local-addr %s " + "bfd udp session auth deactivate %s local-addr %s " "peer-addr %s delayed yes" - % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + % (self.cli_str, self.src_ip_net, self.dst_ip_net) ) self.cli_verify_no_response(cli_deactivate) verify_bfd_session_config(self, session) @@ -3172,23 +4027,66 @@ class BFDCLITestCase(VppTestCase): def test_admin_up_down(self): """put session admin-up and admin-down""" - session = VppBFDUDPSession(self, self.pg0, self.pg0.remote_ip4) + session = VppBFDUDPSession( + self, + self.pg0, + self.dst_ip_net, + local_addr=self.src_ip_net, + multihop=self.multihop, + ) session.add_vpp_config() cli_down = ( - "bfd udp session set-flags admin down interface %s local-addr %s " - "peer-addr %s " % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + "bfd udp session set-flags admin down %s local-addr %s " + "peer-addr %s " % (self.cli_str, self.src_ip_net, self.dst_ip_net) ) cli_up = ( - "bfd udp session set-flags admin up interface %s local-addr %s " - "peer-addr %s " % (self.pg0.name, self.pg0.local_ip4, self.pg0.remote_ip4) + "bfd udp session set-flags admin up %s local-addr %s " + "peer-addr %s " % (self.cli_str, self.src_ip_net, self.dst_ip_net) ) self.cli_verify_no_response(cli_down) verify_bfd_session_config(self, session, state=BFDState.admin_down) self.cli_verify_no_response(cli_up) verify_bfd_session_config(self, session, state=BFDState.down) + if self.multihop: + # specifying multihop and interface should fail + cli_up = ( + "bfd udp session set-flags admin up multihop interface %s " + "local-addr %s peer-addr %s" + % ( + self.pg0.name, + self.src_ip_net, + self.dst_ip_net, + ) + ) + self.cli_verify_response( + cli_up, + "bfd udp session set-flags: Incompatible parameter " + "combination, interface cannot be specified when multihop " + "is enabled", + ) + # Not specifying multihop or interface should fail + cli_up = ( + "bfd udp session set-flags admin up local-addr %s peer-addr %s " + % ( + self.src_ip_net, + self.dst_ip_net, + ) + ) + self.cli_verify_response( + cli_up, + "bfd udp session set-flags: Incompatible parameter " + "combination, interface must be set if not multihop", + ) + def test_set_del_udp_echo_source(self): """set/del udp echo source""" + + if self.multihop: + self.skipTest( + f"Skipping because echo functionality is not supported with multihop" + ) + self.create_loopback_interfaces(1) self.loopback0 = self.lo_interfaces[0] self.loopback0.admin_up() |