X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_l2_fib.py;h=1cee58982e53168f6e9cce5ded21f28d1dc37fd6;hb=8006c6a;hp=c373b141c265456c952ee9239919da6cb3f8d72f;hpb=93b503e1a445f327122276582b68205204a5d62e;p=vpp.git diff --git a/test/test_l2_fib.py b/test/test_l2_fib.py index c373b141c26..1cee58982e5 100644 --- a/test/test_l2_fib.py +++ b/test/test_l2_fib.py @@ -69,6 +69,12 @@ from scapy.layers.inet import IP, UDP from framework import VppTestCase, VppTestRunner from util import Host, ppp +from vpp_papi import mac_pton + +# from src/vnet/l2/l2_fib.h +MAC_EVENT_ACTION_ADD = 0 +MAC_EVENT_ACTION_DELETE = 1 +MAC_EVENT_ACTION_MOVE = 2 class TestL2fib(VppTestCase): @@ -76,7 +82,8 @@ class TestL2fib(VppTestCase): @classmethod def bd_ifs(cls, bd_id): - return range((bd_id - 1) * cls.n_ifs_per_bd, bd_id * cls.n_ifs_per_bd) + return range((bd_id - 1) * cls.n_ifs_per_bd, + bd_id * cls.n_ifs_per_bd - 1) @classmethod def setUpClass(cls): @@ -93,7 +100,7 @@ class TestL2fib(VppTestCase): n_brs = cls.n_brs = range(1, 3) cls.n_ifs_per_bd = 4 n_ifs = range(cls.n_ifs_per_bd * len(cls.n_brs)) - # Create 4 pg interfaces + # Create pg interfaces cls.create_pg_interfaces(n_ifs) cls.flows = dict() @@ -120,16 +127,6 @@ class TestL2fib(VppTestCase): # Set up all interfaces for i in cls.pg_interfaces: i.admin_up() - - # Mapping between packet-generator index and lists of test hosts - cls.hosts = dict() - cls.fib_hosts = dict() - cls.deleted_hosts = dict() - for pg_if in cls.pg_interfaces: - cls.hosts[pg_if.sw_if_index] = [] - cls.fib_hosts[pg_if.sw_if_index] = [] - cls.deleted_hosts[pg_if.sw_if_index] = [] - except Exception: super(TestL2fib, cls).tearDownClass() raise @@ -158,6 +155,7 @@ class TestL2fib(VppTestCase): create MAC/IPv4 addresses for. """ + hosts = dict() for pg_if in self.pg_interfaces: swif = pg_if.sw_if_index @@ -166,9 +164,36 @@ class TestL2fib(VppTestCase): def ip(j): return "172.%02u.1%02x.%u" % (subnet, swif, j) def h(j): return Host(mac(j), ip(j)) - self.hosts[swif] = [h(j) for j in range(n_hosts_per_if)] + hosts[swif] = [h(j) for j in range(n_hosts_per_if)] + return hosts + + def split_hosts(self, hosts, n): + splits = dict() + for pg_if in self.pg_interfaces: + swif = pg_if.sw_if_index + splits[swif] = hosts[swif][:n] + hosts[swif] = hosts[swif][n:] + return splits + + def learn_hosts(self, bd_id, hosts): + """ + Create and send per interface L2 MAC broadcast packet stream to + let the bridge domain learn these MAC addresses. + + :param int bd_id: BD to teach + :param dict hosts: dict of hosts per interface + """ + self.vapi.bridge_flags(bd_id, 1, 1) + ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] + for pg_if in ifs: + swif = pg_if.sw_if_index + packets = [Ether(dst="ff:ff:ff:ff:ff:ff", src=host.mac) + for host in hosts[swif]] + pg_if.add_stream(packets) + self.logger.info("Sending broadcast eth frames for MAC learning") + self.pg_start() - def config_l2_fib_entries(self, bd_id, n_hosts_per_if): + def config_l2_fib_entries(self, bd_id, hosts): """ Config required number of L2 FIB entries. @@ -179,19 +204,11 @@ class TestL2fib(VppTestCase): ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] for pg_if in ifs: swif = pg_if.sw_if_index - hosts = self.hosts[swif] - fhosts = self.fib_hosts[swif] - for j in range(n_hosts_per_if): - host = hosts.pop() + for host in hosts[swif]: self.vapi.l2fib_add_del( - host.mac, bd_id, swif, static_mac=1) - fhosts.append(host) - # del hosts[0] - self.logger.info("Configure %d L2 FIB entries .." % - len(self.pg_interfaces) * n_hosts_per_if) - self.logger.info(self.vapi.ppcli("show l2fib")) + mac_pton(host.mac), bd_id, swif, static_mac=1) - def delete_l2_fib_entry(self, bd_id, n_hosts_per_if): + def delete_l2_fib_entry(self, bd_id, hosts): """ Delete required number of L2 FIB entries. @@ -200,55 +217,44 @@ class TestL2fib(VppTestCase): ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] for pg_if in ifs: swif = pg_if.sw_if_index - hosts = self.fib_hosts[swif] - dhosts = self.deleted_hosts[swif] - for j in range(n_hosts_per_if): - host = hosts.pop() + for host in hosts[swif]: self.vapi.l2fib_add_del( - host.mac, bd_id, swif, is_add=0) - dhosts.append(host) - self.logger.info(self.vapi.ppcli("show l2fib")) + mac_pton(host.mac), bd_id, swif, is_add=0) - def flush_int(self, swif): + def flush_int(self, swif, learned_hosts): """ Flush swif L2 FIB entries. :param int swif: sw if index. """ + flushed = dict() self.vapi.l2fib_flush_int(swif) - self.deleted_hosts[swif] = self.fib_hosts[swif] + \ - self.deleted_hosts[swif] - self.fib_hosts[swif] = [] - self.logger.info(self.vapi.ppcli("show l2fib")) + flushed[swif] = learned_hosts[swif] + learned_hosts[swif] = [] + return flushed - def flush_bd(self, bd_id): + def flush_bd(self, bd_id, learned_hosts): """ Flush bd_id L2 FIB entries. :param int bd_id: Bridge Domain id. """ self.vapi.l2fib_flush_bd(bd_id) + flushed = dict() ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] for pg_if in ifs: swif = pg_if.sw_if_index - self.deleted_hosts[swif] = self.fib_hosts[swif] + \ - self.deleted_hosts[swif] - self.fib_hosts[swif] = [] - self.logger.info(self.vapi.ppcli("show l2fib")) + flushed[swif] = learned_hosts[swif] + learned_hosts[swif] = [] + return flushed def flush_all(self): """ Flush All L2 FIB entries. """ self.vapi.l2fib_flush_all() - for pg_if in self.pg_interfaces: - swif = pg_if.sw_if_index - self.deleted_hosts[swif] = self.fib_hosts[swif] + \ - self.deleted_hosts[swif] - self.fib_hosts[swif] = [] - self.logger.info(self.vapi.ppcli("show l2fib")) - def create_stream(self, src_if, packet_sizes, deleted=False): + def create_stream(self, src_if, packet_sizes, if_src_hosts, if_dst_hosts): """ Create input packet stream for defined interface using hosts or deleted_hosts list. @@ -258,15 +264,16 @@ class TestL2fib(VppTestCase): :param boolean deleted: Set to True if deleted_hosts list required. :return: Stream of packets. """ - src_hosts = self.fib_hosts[src_if.sw_if_index] + src_hosts = if_src_hosts[src_if.sw_if_index] if not src_hosts: return [] pkts = [] for dst_if in self.flows[src_if]: - dst_hosts = self.deleted_hosts[dst_if.sw_if_index]\ - if deleted else self.fib_hosts[dst_if.sw_if_index] - for i in range(0, len(dst_hosts)): - dst_host = dst_hosts[i] + dst_swif = dst_if.sw_if_index + if dst_swif not in if_dst_hosts: + continue + dst_hosts = if_dst_hosts[dst_swif] + for dst_host in dst_hosts: src_host = random.choice(src_hosts) pkt_info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(pkt_info) @@ -323,15 +330,20 @@ class TestL2fib(VppTestCase): "Port %u: Packet expected from source %u didn't arrive" % (dst_sw_if_index, i.sw_if_index)) - def run_verify_test(self, bd_id): + def run_verify_test(self, bd_id, src_hosts, dst_hosts): # Test # Create incoming packet streams for packet-generator interfaces self.reset_packet_infos() ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] for i in ifs: - pkts = self.create_stream(i, self.pg_if_packet_sizes) - i.add_stream(pkts) + pkts = self.create_stream( + i, self.pg_if_packet_sizes, + if_src_hosts=src_hosts, + if_dst_hosts=dst_hosts) + if pkts: + i.add_stream(pkts) + self.vapi.bridge_flags(bd_id, 0, 1) # Enable packet capture and start packet sending self.pg_enable_capture(ifs) self.pg_start() @@ -339,135 +351,176 @@ class TestL2fib(VppTestCase): # Verify # Verify outgoing packet streams per packet-generator interface for i in ifs: + if not dst_hosts[i.sw_if_index]: + continue capture = i.get_capture() self.logger.info("Verifying capture on interface %s" % i.name) self.verify_capture(i, capture) - def run_verify_negat_test(self, bd_id): + def run_verify_negat_test(self, bd_id, src_hosts, dst_hosts): # Test # Create incoming packet streams for packet-generator interfaces for # deleted MAC addresses self.reset_packet_infos() ifs = [self.pg_interfaces[i] for i in self.bd_ifs(bd_id)] for i in ifs: - pkts = self.create_stream(i, self.pg_if_packet_sizes, deleted=True) + pkts = self.create_stream( + i, self.pg_if_packet_sizes, + if_src_hosts=src_hosts, + if_dst_hosts=dst_hosts) if pkts: i.add_stream(pkts) + self.vapi.bridge_flags(bd_id, 0, 1) # Enable packet capture and start packet sending self.pg_enable_capture(ifs) self.pg_start() # Verify # Verify outgoing packet streams per packet-generator interface + timeout = 1 for i in ifs: + i.get_capture(0, timeout=timeout) i.assert_nothing_captured(remark="outgoing interface") + timeout = 0.1 - def test_l2_fib_01(self): - """ L2 FIB test 1 - program 100 MAC addresses + def test_l2_fib_program100(self): + """ L2 FIB - program 100 MACs """ - # Config 1 - # Create test host entries - self.create_hosts(100, subnet=17) - - # Add first 100 MAC entries to L2 FIB - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=100) - - # Test 1 - self.run_verify_test(bd_id=1) + bd_id = 1 + hosts = self.create_hosts(100, subnet=17) + self.config_l2_fib_entries(bd_id, hosts) + self.run_verify_test(bd_id, hosts, hosts) - def test_l2_fib_02(self): - """ L2 FIB test 2 - delete 12 MAC entries + def test_l2_fib_program100_delete12(self): + """ L2 FIB - program 100, delete 12 MACs """ - # Config 2 - # Delete 12 MAC entries per interface from L2 FIB - self.delete_l2_fib_entry(bd_id=1, n_hosts_per_if=12) + bd_id = 1 + hosts = self.create_hosts(100, subnet=17) + self.config_l2_fib_entries(bd_id, hosts) + del_hosts = self.split_hosts(hosts, 12) + self.delete_l2_fib_entry(bd_id, del_hosts) - # Test 2a - self.run_verify_test(bd_id=1) + self.run_verify_test(bd_id, hosts, hosts) + self.run_verify_negat_test(bd_id, hosts, del_hosts) - # Verify 2a - self.run_verify_negat_test(bd_id=1) - - def test_l2_fib_03(self): - """ L2 FIB test 3 - program new 100 MAC addresses + def test_l2_fib_program100_add100(self): + """ L2 FIB - program 100, add 100 MACs """ - # Config 3 - # Create new test host entries - self.create_hosts(100, subnet=22) - - # Add new 100 MAC entries to L2 FIB - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=100) - - # Test 3 - self.run_verify_test(bd_id=1) - - def test_l2_fib_04(self): - """ L2 FIB test 4 - delete 160 MAC entries + bd_id = 1 + hosts = self.create_hosts(100, subnet=17) + self.config_l2_fib_entries(bd_id, hosts) + hosts2 = self.create_hosts(100, subnet=22) + self.config_l2_fib_entries(bd_id, hosts2) + self.run_verify_test(bd_id, hosts, hosts2) + + def test_l2_fib_program10_learn10(self): + """ L2 FIB - program 10 MACs, learn 10 """ - # Config 4 - # Delete 160 MAC entries per interface from L2 FIB - self.delete_l2_fib_entry(bd_id=1, n_hosts_per_if=160) - - # Test 4a - self.run_verify_negat_test(bd_id=1) - - def test_l2_fib_05(self): - """ L2 FIB test 5 - flush first interface + hosts = self.create_hosts(20, subnet=35) + lhosts = self.split_hosts(hosts, 10) + + bd1 = 1 + bd2 = 2 + self.learn_hosts(bd1, lhosts) + self.learn_hosts(bd2, lhosts) + self.config_l2_fib_entries(bd1, hosts) + self.config_l2_fib_entries(bd2, hosts) + self.run_verify_test(bd1, lhosts, hosts) + self.run_verify_test(bd2, lhosts, hosts) + + def test_l2_fib_flush_int(self): + """ L2 FIB - flush interface + """ + hosts = self.create_hosts(20, subnet=36) + lhosts = self.split_hosts(hosts, 10) + + bd1 = 1 + self.learn_hosts(bd1, lhosts) + self.config_l2_fib_entries(bd1, hosts) + self.run_verify_test(bd1, lhosts, hosts) + flushed = self.flush_int(self.pg_interfaces[0].sw_if_index, lhosts) + self.run_verify_test(bd1, hosts, lhosts) + self.run_verify_negat_test(bd1, hosts, flushed) + + def test_l2_fib_flush_bd(self): + """ L2 FIB - flush BD """ - self.flush_int(self.pg_interfaces[0].sw_if_index) - self.sleep(3) - self.create_hosts(1, subnet=31) - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=1) - self.run_verify_test(bd_id=1) - self.run_verify_negat_test(bd_id=1) - - def test_l2_fib_06(self): - """ L2 FIB test 6 - Program 20 new MAC entries + hosts = self.create_hosts(20, subnet=37) + lhosts = self.split_hosts(hosts, 10) + + bd1 = 1 + self.learn_hosts(bd1, lhosts) + self.config_l2_fib_entries(bd1, hosts) + self.run_verify_test(bd1, lhosts, hosts) + flushed = self.flush_bd(bd1, lhosts) + self.run_verify_negat_test(bd1, hosts, flushed) + + def test_l2_fib_flush_all(self): + """ L2 FIB - flush all """ - self.create_hosts(20, subnet=33) + hosts = self.create_hosts(20, subnet=38) + lhosts = self.split_hosts(hosts, 10) + + bd1 = 1 + bd2 = 2 + self.learn_hosts(bd1, lhosts) + self.learn_hosts(bd2, lhosts) + self.config_l2_fib_entries(bd1, hosts) + self.config_l2_fib_entries(bd2, hosts) + self.run_verify_test(bd1, hosts, lhosts) + self.run_verify_test(bd2, hosts, lhosts) - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=20) - self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=20) - self.run_verify_test(bd_id=1) - self.run_verify_test(bd_id=2) + self.flush_all() - def test_l2_fib_07(self): - """ L2 FIB test 7 - flush bd_id - """ - self.flush_bd(bd_id=1) - self.run_verify_negat_test(bd_id=1) - self.run_verify_test(bd_id=2) + self.run_verify_negat_test(bd1, hosts, lhosts) + self.run_verify_negat_test(bd2, hosts, lhosts) - def test_l2_fib_08(self): - """ L2 FIB test 8 - Program 20 new MAC entries + def test_l2_fib_mac_learn_evs(self): + """ L2 FIB - mac learning events """ - self.create_hosts(20, subnet=34) + bd1 = 1 + hosts = self.create_hosts(10, subnet=39) - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=20) - self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=20) - self.run_verify_test(bd_id=1) - self.run_verify_test(bd_id=2) + self.vapi.want_macs_learn_events() + self.learn_hosts(bd1, hosts) - def test_l2_fib_09(self): - """ L2 FIB test 9 - flush all + self.sleep(1) + self.logger.info(self.vapi.ppcli("show l2fib")) + evs = self.vapi.collect_events() + learned_macs = { + e.mac[i].mac_addr for e in evs for i in range(e.n_macs) + if e.mac[i].action == MAC_EVENT_ACTION_ADD} + macs = {h.bin_mac for swif in self.bd_ifs(bd1) + for h in hosts[self.pg_interfaces[swif].sw_if_index]} + self.vapi.want_macs_learn_events(enable_disable=0) + self.assertEqual(len(learned_macs ^ macs), 0) + + def test_l2_fib_macs_learn_max(self): + """ L2 FIB - mac learning max macs in event """ - self.flush_all() - self.sleep(3) - self.run_verify_negat_test(bd_id=1) - self.run_verify_negat_test(bd_id=2) + bd1 = 1 + hosts = self.create_hosts(10, subnet=40) - def test_l2_fib_10(self): - """ L2 FIB test 10 - Program 20 new MAC entries - """ - self.create_hosts(20, subnet=35) - - self.config_l2_fib_entries(bd_id=1, n_hosts_per_if=20) - self.config_l2_fib_entries(bd_id=2, n_hosts_per_if=20) - self.run_verify_test(bd_id=1) - self.run_verify_test(bd_id=2) - self.run_verify_negat_test(bd_id=1) - self.run_verify_negat_test(bd_id=2) + ev_macs = 1 + self.vapi.want_macs_learn_events(max_macs_in_event=ev_macs) + self.learn_hosts(bd1, hosts) + + self.sleep(1) + self.logger.info(self.vapi.ppcli("show l2fib")) + evs = self.vapi.collect_events() + self.vapi.want_macs_learn_events(enable_disable=0) + + self.assertGreater(len(evs), 0) + learned_macs = { + e.mac[i].mac_addr for e in evs for i in range(e.n_macs) + if e.mac[i].action == MAC_EVENT_ACTION_ADD} + macs = {h.bin_mac for swif in self.bd_ifs(bd1) + for h in hosts[self.pg_interfaces[swif].sw_if_index]} + + for e in evs: + self.assertLess(len(e), ev_macs * 10) + self.assertEqual(len(learned_macs ^ macs), 0) if __name__ == '__main__':