tests: Use errno value rather than a specific int
[vpp.git] / test / test_flowprobe.py
index 560b44c..ac0433a 100644 (file)
@@ -1,4 +1,6 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
+from __future__ import print_function
+import binascii
 import random
 import socket
 import unittest
@@ -6,39 +8,99 @@ import time
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
+from scapy.layers.inet import IP, TCP, UDP
 from scapy.layers.inet6 import IPv6
-
-from framework import VppTestCase, VppTestRunner
+from scapy.contrib.lacp import SlowProtocol, LACP
+
+from config import config
+from framework import VppTestCase
+from asfframework import (
+    tag_fixme_vpp_workers,
+    tag_fixme_ubuntu2204,
+    tag_fixme_debian11,
+    tag_run_solo,
+    is_distro_ubuntu2204,
+    is_distro_debian11,
+    VppTestRunner,
+)
 from vpp_object import VppObject
-from vpp_pg_interface import CaptureTimeoutError
 from util import ppp
 from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_papi.macaddress import mac_ntop
+from socket import inet_ntop
+from vpp_papi import VppEnum
+from vpp_sub_interface import VppDot1ADSubint
+
+
+TMPL_COMMON_FIELD_COUNT = 6
+TMPL_L2_FIELD_COUNT = 3
+TMPL_L3_FIELD_COUNT = 4
+TMPL_L4_FIELD_COUNT = 3
+
+IPFIX_TCP_FLAGS_ID = 6
+IPFIX_SRC_TRANS_PORT_ID = 7
+IPFIX_DST_TRANS_PORT_ID = 11
+IPFIX_SRC_IP4_ADDR_ID = 8
+IPFIX_DST_IP4_ADDR_ID = 12
+IPFIX_FLOW_DIRECTION_ID = 61
+
+TCP_F_FIN = 0x01
+TCP_F_SYN = 0x02
+TCP_F_RST = 0x04
+TCP_F_PSH = 0x08
+TCP_F_ACK = 0x10
+TCP_F_URG = 0x20
+TCP_F_ECE = 0x40
+TCP_F_CWR = 0x80
 
 
 class VppCFLOW(VppObject):
     """CFLOW object for IPFIX exporter and Flowprobe feature"""
 
-    def __init__(self, test, intf='pg2', active=0, passive=0, timeout=300,
-                 mtu=512, datapath='l2', layer='l2 l3 l4'):
+    def __init__(
+        self,
+        test,
+        intf="pg2",
+        active=0,
+        passive=0,
+        timeout=100,
+        mtu=1024,
+        datapath="l2",
+        layer="l2 l3 l4",
+        direction="tx",
+    ):
         self._test = test
         self._intf = intf
+        self._intf_obj = getattr(self._test, intf)
         self._active = active
         if passive == 0 or passive < active:
-            self._passive = active+5
+            self._passive = active + 1
         else:
             self._passive = passive
-        self._datapath = datapath           # l2 ip4 ip6
-        self._collect = layer               # l2 l3 l4
+        self._datapath = datapath  # l2 ip4 ip6
+        self._collect = layer  # l2 l3 l4
+        self._direction = direction  # rx tx both
         self._timeout = timeout
         self._mtu = mtu
         self._configured = False
 
     def add_vpp_config(self):
         self.enable_exporter()
-        self._test.vapi.ppcli("flowprobe params record %s active %s "
-                              "passive %s" % (self._collect, self._active,
-                                              self._passive))
+        l2_flag = 0
+        l3_flag = 0
+        l4_flag = 0
+        if "l2" in self._collect.lower():
+            l2_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L2
+        if "l3" in self._collect.lower():
+            l3_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L3
+        if "l4" in self._collect.lower():
+            l4_flag = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L4
+        self._test.vapi.flowprobe_set_params(
+            record_flags=(l2_flag | l3_flag | l4_flag),
+            active_timer=self._active,
+            passive_timer=self._passive,
+        )
         self.enable_flowprobe_feature()
         self._test.vapi.cli("ipfix flush")
         self._configured = True
@@ -51,56 +113,66 @@ class VppCFLOW(VppObject):
 
     def enable_exporter(self):
         self._test.vapi.set_ipfix_exporter(
-            collector_address=self._test.pg0.remote_ip4n,
-            src_address=self._test.pg0.local_ip4n,
+            collector_address=self._test.pg0.remote_ip4,
+            src_address=self._test.pg0.local_ip4,
             path_mtu=self._mtu,
-            template_interval=self._timeout)
+            template_interval=self._timeout,
+        )
+
+    def _enable_disable_flowprobe_feature(self, is_add):
+        which_map = {
+            "l2": VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_L2,
+            "ip4": VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_IP4,
+            "ip6": VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_IP6,
+        }
+        direction_map = {
+            "rx": VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_RX,
+            "tx": VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_TX,
+            "both": VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_BOTH,
+        }
+        self._test.vapi.flowprobe_interface_add_del(
+            is_add=is_add,
+            which=which_map[self._datapath],
+            direction=direction_map[self._direction],
+            sw_if_index=self._intf_obj.sw_if_index,
+        )
 
     def enable_flowprobe_feature(self):
-        self._test.vapi.ppcli("flowprobe feature add-del %s %s" %
-                              (self._intf, self._datapath))
+        self._enable_disable_flowprobe_feature(is_add=True)
 
     def disable_exporter(self):
         self._test.vapi.cli("set ipfix exporter collector 0.0.0.0")
 
     def disable_flowprobe_feature(self):
-        self._test.vapi.cli("flowprobe feature add-del %s %s disable" %
-                            (self._intf, self._datapath))
+        self._enable_disable_flowprobe_feature(is_add=False)
 
     def object_id(self):
-        return "ipfix-collector-%s" % (self._src, self.dst)
+        return "ipfix-collector-%s-%s" % (self._src, self.dst)
 
     def query_vpp_config(self):
         return self._configured
 
-    def verify_templates(self, decoder=None, timeout=1, count=3):
+    def verify_templates(self, decoder=None, timeout=1, count=3, field_count_in=None):
         templates = []
-        p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout)
-        self._test.assertTrue(p.haslayer(IPFIX))
-        if decoder is not None and p.haslayer(Template):
-            templates.append(p[Template].templateID)
-            decoder.add_template(p.getlayer(Template))
-        if count > 1:
-            p = self._test.wait_for_cflow_packet(self._test.collector, 2)
-            self._test.assertTrue(p.haslayer(IPFIX))
-            if decoder is not None and p.haslayer(Template):
-                templates.append(p[Template].templateID)
-                decoder.add_template(p.getlayer(Template))
-        if count > 2:
-            p = self._test.wait_for_cflow_packet(self._test.collector, 2)
+        self._test.assertIn(count, (1, 2, 3))
+        for _ in range(count):
+            p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout)
             self._test.assertTrue(p.haslayer(IPFIX))
-            if decoder is not None and p.haslayer(Template):
+            self._test.assertTrue(p.haslayer(Template))
+            if decoder is not None:
                 templates.append(p[Template].templateID)
                 decoder.add_template(p.getlayer(Template))
+            if field_count_in is not None:
+                self._test.assertIn(p[Template].fieldCount, field_count_in)
         return templates
 
 
 class MethodHolder(VppTestCase):
-    """ Flow-per-packet plugin: test L2, IP4, IP6 reporting """
+    """Flow-per-packet plugin: test L2, IP4, IP6 reporting"""
 
     # Test variables
     debug_print = False
-    max_number_of_packets = 16
+    max_number_of_packets = 10
     pkts = []
 
     @classmethod
@@ -111,18 +183,28 @@ class MethodHolder(VppTestCase):
         variables and configure VPP.
         """
         super(MethodHolder, cls).setUpClass()
+        if (is_distro_ubuntu2204 == True or is_distro_debian11 == True) and not hasattr(
+            cls, "vpp"
+        ):
+            return
         try:
             # Create pg interfaces
-            cls.create_pg_interfaces(range(7))
+            cls.create_pg_interfaces(range(9))
 
             # Packet sizes
             cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 
             # Create BD with MAC learning and unknown unicast flooding disabled
             # and put interfaces to this BD
-            cls.vapi.bridge_domain_add_del(bd_id=1, uu_flood=1, learn=1)
-            cls.vapi.sw_interface_set_l2_bridge(cls.pg1._sw_if_index, bd_id=1)
-            cls.vapi.sw_interface_set_l2_bridge(cls.pg2._sw_if_index, bd_id=1)
+            cls.vapi.bridge_domain_add_del_v2(
+                bd_id=1, uu_flood=1, learn=1, flood=1, forward=1, is_add=1
+            )
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=cls.pg1._sw_if_index, bd_id=1
+            )
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=cls.pg2._sw_if_index, bd_id=1
+            )
 
             # Set up all interfaces
             for i in cls.pg_interfaces:
@@ -140,6 +222,9 @@ class MethodHolder(VppTestCase):
             cls.pg3.resolve_arp()
             cls.pg4.config_ip4()
             cls.pg4.resolve_arp()
+            cls.pg7.config_ip4()
+            cls.pg8.config_ip4()
+            cls.pg8.configure_ipv4_neighbors()
 
             cls.pg5.config_ip6()
             cls.pg5.resolve_ndp()
@@ -151,8 +236,13 @@ class MethodHolder(VppTestCase):
             super(MethodHolder, cls).tearDownClass()
             raise
 
-    def create_stream(self, src_if=None, dst_if=None, packets=None,
-                      size=None, ip_ver='v4'):
+    @classmethod
+    def tearDownClass(cls):
+        super(MethodHolder, cls).tearDownClass()
+
+    def create_stream(
+        self, src_if=None, dst_if=None, packets=None, size=None, ip_ver="v4"
+    ):
         """Create a packet stream to tickle the plugin
 
         :param VppInterface src_if: Source interface for packet stream
@@ -172,11 +262,12 @@ class MethodHolder(VppTestCase):
             info = self.create_packet_info(src_if, dst_if)
             payload = self.info_to_payload(info)
             p = Ether(src=src_if.remote_mac, dst=src_if.local_mac)
-            if ip_ver == 'v4':
+            if ip_ver == "v4":
                 p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4)
             else:
                 p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
-            p /= (UDP(sport=1234, dport=4321) / Raw(payload))
+            p /= UDP(sport=1234, dport=4321)
+            p /= Raw(payload)
             info.data = p.copy()
             self.extend_packet(p, pkt_size)
             self.pkts.append(p)
@@ -190,62 +281,76 @@ class MethodHolder(VppTestCase):
         if cflow.haslayer(Data):
             data = decoder.decode_data_set(cflow.getlayer(Set))
             for record in data:
-                self.assertEqual(int(record[1].encode('hex'), 16), octets)
-                self.assertEqual(int(record[2].encode('hex'), 16), packets)
+                self.assertEqual(int(binascii.hexlify(record[1]), 16), octets)
+                self.assertEqual(int(binascii.hexlify(record[2]), 16), packets)
 
-    def verify_cflow_data_detail(self, decoder, capture, cflow,
-                                 data_set={1: 'octets', 2: 'packets'},
-                                 ip_ver='v4'):
+    def send_packets(self, src_if=None, dst_if=None):
+        if src_if is None:
+            src_if = self.pg1
+        if dst_if is None:
+            dst_if = self.pg2
+        self.pg_enable_capture([dst_if])
+        src_if.add_stream(self.pkts)
+        self.pg_start()
+        return dst_if.get_capture(len(self.pkts))
+
+    def verify_cflow_data_detail(
+        self,
+        decoder,
+        capture,
+        cflow,
+        data_set={1: "octets", 2: "packets"},
+        ip_ver="v4",
+        field_count=None,
+    ):
         if self.debug_print:
-            print capture[0].show()
+            print(capture[0].show())
         if cflow.haslayer(Data):
             data = decoder.decode_data_set(cflow.getlayer(Set))
             if self.debug_print:
-                print data
-            if ip_ver == 'v4':
-                ip_layer = capture[0][IP]
+                print(data)
+            if ip_ver == "v4":
+                ip_layer = capture[0][IP] if capture[0].haslayer(IP) else None
             else:
-                ip_layer = capture[0][IPv6]
+                ip_layer = capture[0][IPv6] if capture[0].haslayer(IPv6) else None
             if data_set is not None:
                 for record in data:
-                    # skip flow if in/out gress interface is 0
-                    if int(record[10].encode('hex'), 16) == 0:
+                    # skip flow if ingress/egress interface is 0
+                    if int(binascii.hexlify(record[10]), 16) == 0:
                         continue
-                    if int(record[14].encode('hex'), 16) == 0:
+                    if int(binascii.hexlify(record[14]), 16) == 0:
                         continue
 
                     for field in data_set:
-                        if field not in record.keys():
-                            continue
                         value = data_set[field]
-                        if value == 'octets':
+                        if value == "octets":
                             value = ip_layer.len
-                            if ip_ver == 'v6':
-                                value += 40        # ??? is this correct
-                        elif value == 'packets':
+                            if ip_ver == "v6":
+                                value += 40  # ??? is this correct
+                        elif value == "packets":
                             value = 1
-                        elif value == 'src_ip':
-                            if ip_ver == 'v4':
-                                ip = socket.inet_pton(socket.AF_INET,
-                                                      ip_layer.src)
+                        elif value == "src_ip":
+                            if ip_ver == "v4":
+                                ip = socket.inet_pton(socket.AF_INET, ip_layer.src)
                             else:
-                                ip = socket.inet_pton(socket.AF_INET6,
-                                                      ip_layer.src)
-                            value = int(ip.encode('hex'), 16)
-                        elif value == 'dst_ip':
-                            if ip_ver == 'v4':
-                                ip = socket.inet_pton(socket.AF_INET,
-                                                      ip_layer.dst)
+                                ip = socket.inet_pton(socket.AF_INET6, ip_layer.src)
+                            value = int(binascii.hexlify(ip), 16)
+                        elif value == "dst_ip":
+                            if ip_ver == "v4":
+                                ip = socket.inet_pton(socket.AF_INET, ip_layer.dst)
                             else:
-                                ip = socket.inet_pton(socket.AF_INET6,
-                                                      ip_layer.dst)
-                            value = int(ip.encode('hex'), 16)
-                        elif value == 'sport':
+                                ip = socket.inet_pton(socket.AF_INET6, ip_layer.dst)
+                            value = int(binascii.hexlify(ip), 16)
+                        elif value == "sport":
                             value = int(capture[0][UDP].sport)
-                        elif value == 'dport':
+                        elif value == "dport":
                             value = int(capture[0][UDP].dport)
-                        self.assertEqual(int(record[field].encode('hex'), 16),
-                                         value)
+                        self.assertEqual(
+                            int(binascii.hexlify(record[field]), 16), value
+                        )
+            if field_count is not None:
+                for record in data:
+                    self.assertEqual(len(record), field_count)
 
     def verify_cflow_data_notimer(self, decoder, capture, cflows):
         idx = 0
@@ -258,272 +363,555 @@ class MethodHolder(VppTestCase):
             for rec in data:
                 p = capture[idx]
                 idx += 1
-                self.assertEqual(p[IP].len, int(rec[1].encode('hex'), 16))
-                self.assertEqual(1, int(rec[2].encode('hex'), 16))
+                self.assertEqual(p[IP].len, int(binascii.hexlify(rec[1]), 16))
+                self.assertEqual(1, int(binascii.hexlify(rec[2]), 16))
         self.assertEqual(len(capture), idx)
 
-    def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1,
-                              expected=True):
-        """ wait for CFLOW packet and verify its correctness
+    def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1):
+        """wait for CFLOW packet and verify its correctness
 
         :param timeout: how long to wait
 
-        :returns: tuple (packet, time spent waiting for packet)
         """
         self.logger.info("IPFIX: Waiting for CFLOW packet")
-        deadline = time.time() + timeout
-        counter = 0
         # self.logger.debug(self.vapi.ppcli("show flow table"))
-        while True:
-            counter += 1
-            # sanity check
-            self.assert_in_range(counter, 0, 100, "number of packets ignored")
-            time_left = deadline - time.time()
-            try:
-                if time_left < 0 and expected:
-                    # self.logger.debug(self.vapi.ppcli("show flow table"))
-                    raise CaptureTimeoutError(
-                          "Packet did not arrive within timeout")
-                p = collector_intf.wait_for_packet(timeout=time_left)
-            except CaptureTimeoutError:
-                if expected:
-                    # self.logger.debug(self.vapi.ppcli("show flow table"))
-                    raise CaptureTimeoutError(
-                          "Packet did not arrive within timeout")
-                else:
-                    return
-            if not expected:
-                raise CaptureTimeoutError("Packet arrived even not expected")
-            self.assertEqual(p[Set].setID, set_id)
-            # self.logger.debug(self.vapi.ppcli("show flow table"))
-            self.logger.debug(ppp("IPFIX: Got packet:", p))
-            break
+        p = collector_intf.wait_for_packet(timeout=timeout)
+        self.assertEqual(p[Set].setID, set_id)
+        # self.logger.debug(self.vapi.ppcli("show flow table"))
+        self.logger.debug(ppp("IPFIX: Got packet:", p))
         return p
 
-    def send_packets(self, src_if=None, dst_if=None):
-        self.sleep(3)
-        if src_if is None:
-            src_if = self.pg1
-        if dst_if is None:
-            dst_if = self.pg2
-        self.pg_enable_capture([dst_if])
-        src_if.add_stream(self.pkts)
-        self.pg_start()
-        return dst_if.get_capture(len(self.pkts))
-
 
-class TestFFP_Timers(MethodHolder):
+@tag_run_solo
+@tag_fixme_vpp_workers
+@tag_fixme_ubuntu2204
+@tag_fixme_debian11
+class Flowprobe(MethodHolder):
     """Template verification, timer tests"""
 
+    @classmethod
+    def setUpClass(cls):
+        super(Flowprobe, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(Flowprobe, cls).tearDownClass()
+
     def test_0001(self):
-        """ receive template data packets"""
+        """timer less than template timeout"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
+        self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(test=self, active=2)
         ipfix.add_vpp_config()
 
+        ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        ipfix.verify_templates(timeout=3)
+        templates = ipfix.verify_templates(ipfix_decoder)
+
+        self.create_stream(packets=1)
+        self.send_packets()
+        capture = self.pg2.get_capture(1)
+
+        # make sure the one packet we expect actually showed up
+        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
+        self.verify_cflow_data(ipfix_decoder, capture, cflow)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
+    @unittest.skipUnless(
+        config.extended, "Test is unstable (assertion error, needs to be fixed"
+    )
     def test_0002(self):
-        """ timer=10s, less than template timeout"""
+        """timer greater than template timeout [UNSTABLE, FIX ME]"""
         self.logger.info("FFP_TEST_START_0002")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=20)
+        ipfix = VppCFLOW(test=self, timeout=3, active=4)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        ipfix.verify_templates()
 
-        self.create_stream()
-        capture = self.send_packets()
+        self.create_stream(packets=2)
+        self.send_packets()
+        capture = self.pg2.get_capture(2)
+
+        # next set of template packet should arrive after 20 seconds
+        # template packet should arrive within 20 s
+        templates = ipfix.verify_templates(ipfix_decoder, timeout=5)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 39)
+        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
         self.verify_cflow_data(ipfix_decoder, capture, cflow)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0002")
 
-    def test_0003(self):
-        """ timer=30s, greater than template timeout"""
-        self.logger.info("FFP_TEST_START_0003")
+    def test_cflow_packet(self):
+        """verify cflow packet fields"""
+        self.logger.info("FFP_TEST_START_0000")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, timeout=20, active=25)
+        ipfix = VppCFLOW(
+            test=self, intf="pg8", datapath="ip4", layer="l2 l3 l4", active=2
+        )
         ipfix.add_vpp_config()
 
-        ipfix_decoder = IPFIXDecoder()
-        # template packet should arrive immediately
-        ipfix.verify_templates(timeout=3)
+        route_9001 = VppIpRoute(
+            self,
+            "9.0.0.0",
+            24,
+            [VppRoutePath(self.pg8._remote_hosts[0].ip4, self.pg8.sw_if_index)],
+        )
+        route_9001.add_vpp_config()
 
-        self.create_stream()
-        capture = self.send_packets()
-
-        # next set of template packet should arrive after 20 seconds
-        # template packet should arrive within 20 s
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=25)
+        ipfix_decoder = IPFIXDecoder()
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+        self.pkts = [
+            (
+                Ether(dst=self.pg7.local_mac, src=self.pg7.remote_mac)
+                / IP(src=self.pg7.remote_ip4, dst="9.0.0.100")
+                / TCP(sport=1234, dport=4321, flags=80)
+                / Raw(b"\xa5" * 100)
+            )
+        ]
+
+        nowUTC = int(time.time())
+        nowUNIX = nowUTC + 2208988800
+        self.send_packets(src_if=self.pg7, dst_if=self.pg8)
+
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 10)
+        self.collector.get_capture(2)
 
-        # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 55)
-        self.verify_cflow_data(ipfix_decoder, capture, cflow)
+        if cflow[0].haslayer(IPFIX):
+            self.assertEqual(cflow[IPFIX].version, 10)
+            self.assertEqual(cflow[IPFIX].observationDomainID, 1)
+            self.assertEqual(cflow[IPFIX].sequenceNumber, 0)
+            self.assertAlmostEqual(cflow[IPFIX].exportTime, nowUTC, delta=5)
+        if cflow.haslayer(Data):
+            record = ipfix_decoder.decode_data_set(cflow[0].getlayer(Set))[0]
+            # ingress interface
+            self.assertEqual(int(binascii.hexlify(record[10]), 16), 8)
+            # egress interface
+            self.assertEqual(int(binascii.hexlify(record[14]), 16), 9)
+            # direction
+            self.assertEqual(int(binascii.hexlify(record[61]), 16), 1)
+            # packets
+            self.assertEqual(int(binascii.hexlify(record[2]), 16), 1)
+            # src mac
+            self.assertEqual(mac_ntop(record[56]), self.pg8.local_mac)
+            # dst mac
+            self.assertEqual(mac_ntop(record[80]), self.pg8.remote_mac)
+            flowTimestamp = int(binascii.hexlify(record[156]), 16) >> 32
+            # flow start timestamp
+            self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+            flowTimestamp = int(binascii.hexlify(record[157]), 16) >> 32
+            # flow end timestamp
+            self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+            # ethernet type
+            self.assertEqual(int(binascii.hexlify(record[256]), 16), 8)
+            # src ip
+            self.assertEqual(inet_ntop(socket.AF_INET, record[8]), self.pg7.remote_ip4)
+            # dst ip
+            self.assertEqual(inet_ntop(socket.AF_INET, record[12]), "9.0.0.100")
+            # protocol (TCP)
+            self.assertEqual(int(binascii.hexlify(record[4]), 16), 6)
+            # src port
+            self.assertEqual(int(binascii.hexlify(record[7]), 16), 1234)
+            # dst port
+            self.assertEqual(int(binascii.hexlify(record[11]), 16), 4321)
+            # tcp flags
+            self.assertEqual(int(binascii.hexlify(record[6]), 16), 80)
 
         ipfix.remove_vpp_config()
-        self.logger.info("FFP_TEST_FINISH_0003")
+        self.logger.info("FFP_TEST_FINISH_0000")
 
-    def test_0004(self):
-        """ sent packet after first cflow packet arrived"""
-        self.logger.info("FFP_TEST_START_0004")
+    def test_flow_entry_reuse(self):
+        """Verify flow entry reuse doesn't accumulate meta info"""
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=20)
+        # enable ip4 datapath for an interface
+        # set active and passive timers
+        ipfix = VppCFLOW(
+            test=self,
+            active=2,
+            passive=3,
+            intf="pg3",
+            layer="l3 l4",
+            datapath="ip4",
+            direction="rx",
+            mtu=100,
+        )
         ipfix.add_vpp_config()
 
-        ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        ipfix_decoder = IPFIXDecoder()
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+        # make a tcp packet
+        self.pkts = [
+            (
+                Ether(src=self.pg3.remote_mac, dst=self.pg4.local_mac)
+                / IP(src=self.pg3.remote_ip4, dst=self.pg4.remote_ip4)
+                / TCP(sport=1234, dport=4321)
+                / Raw(b"\xa5" * 50)
+            )
+        ]
+
+        # send the tcp packet two times, each time with new set of flags
+        tcp_flags = (
+            TCP_F_SYN | TCP_F_ACK,
+            TCP_F_RST | TCP_F_PSH,
+        )
+        for f in tcp_flags:
+            self.pkts[0][TCP].flags = f
+            capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+            # verify meta info - packet/octet delta and tcp flags
+            cflow = self.wait_for_cflow_packet(self.collector, templates[0], timeout=6)
+            self.verify_cflow_data(ipfix_decoder, capture, cflow)
+            self.verify_cflow_data_detail(
+                ipfix_decoder,
+                capture,
+                cflow,
+                {
+                    IPFIX_TCP_FLAGS_ID: f,
+                    IPFIX_SRC_TRANS_PORT_ID: 1234,
+                    IPFIX_DST_TRANS_PORT_ID: 4321,
+                },
+            )
 
-        self.create_stream()
-        self.send_packets()
+        self.collector.get_capture(3)
 
-        # make sure the one packet we expect actually showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 39)
+        # cleanup
+        ipfix.remove_vpp_config()
 
-        self.pg_enable_capture([self.pg2])
+    def test_interface_dump(self):
+        """Dump interfaces with IPFIX flow record generation enabled"""
+        self.logger.info("FFP_TEST_START_0003")
 
-        capture = self.send_packets()
+        # Enable feature for 3 interfaces
+        ipfix1 = VppCFLOW(test=self, intf="pg1", datapath="l2", direction="rx")
+        ipfix1.add_vpp_config()
+
+        ipfix2 = VppCFLOW(test=self, intf="pg2", datapath="ip4", direction="tx")
+        ipfix2.enable_flowprobe_feature()
+
+        ipfix3 = VppCFLOW(test=self, intf="pg3", datapath="ip6", direction="both")
+        ipfix3.enable_flowprobe_feature()
+
+        # When request "all", dump should contain all enabled interfaces
+        dump = self.vapi.flowprobe_interface_dump()
+        self.assertEqual(len(dump), 3)
+
+        # Verify 1st interface
+        self.assertEqual(dump[0].sw_if_index, self.pg1.sw_if_index)
+        self.assertEqual(
+            dump[0].which, VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_L2
+        )
+        self.assertEqual(
+            dump[0].direction,
+            VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_RX,
+        )
+
+        # Verify 2nd interface
+        self.assertEqual(dump[1].sw_if_index, self.pg2.sw_if_index)
+        self.assertEqual(
+            dump[1].which, VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_IP4
+        )
+        self.assertEqual(
+            dump[1].direction,
+            VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_TX,
+        )
+
+        # Verify 3rd interface
+        self.assertEqual(dump[2].sw_if_index, self.pg3.sw_if_index)
+        self.assertEqual(
+            dump[2].which, VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_IP6
+        )
+        self.assertEqual(
+            dump[2].direction,
+            VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_BOTH,
+        )
+
+        # When request 2nd interface, dump should contain only the specified interface
+        dump = self.vapi.flowprobe_interface_dump(sw_if_index=self.pg2.sw_if_index)
+        self.assertEqual(len(dump), 1)
+
+        # Verify 2nd interface
+        self.assertEqual(dump[0].sw_if_index, self.pg2.sw_if_index)
+        self.assertEqual(
+            dump[0].which, VppEnum.vl_api_flowprobe_which_t.FLOWPROBE_WHICH_IP4
+        )
+        self.assertEqual(
+            dump[0].direction,
+            VppEnum.vl_api_flowprobe_direction_t.FLOWPROBE_DIRECTION_TX,
+        )
+
+        # When request 99th interface, dump should be empty
+        dump = self.vapi.flowprobe_interface_dump(sw_if_index=99)
+        self.assertEqual(len(dump), 0)
+
+        ipfix1.remove_vpp_config()
+        ipfix2.remove_vpp_config()
+        ipfix3.remove_vpp_config()
+        self.logger.info("FFP_TEST_FINISH_0003")
 
-        # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 30)
-        self.verify_cflow_data(ipfix_decoder, capture, cflow)
+    def test_get_params(self):
+        """Get IPFIX flow record generation parameters"""
+        self.logger.info("FFP_TEST_START_0004")
+
+        # Enable feature for an interface with custom parameters
+        ipfix = VppCFLOW(test=self, active=20, passive=40, layer="l2 l3 l4")
+        ipfix.add_vpp_config()
+
+        # Get and verify parameters
+        params = self.vapi.flowprobe_get_params()
+        self.assertEqual(params.active_timer, 20)
+        self.assertEqual(params.passive_timer, 40)
+        record_flags = VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L2
+        record_flags |= VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L3
+        record_flags |= VppEnum.vl_api_flowprobe_record_flags_t.FLOWPROBE_RECORD_FLAG_L4
+        self.assertEqual(params.record_flags, record_flags)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0004")
 
 
-class TestFFP_DatapathL2(MethodHolder):
-    """collect information on Ethernet datapath"""
+class DatapathTestsHolder(object):
+    """collect information on Ethernet, IP4 and IP6 datapath (no timers)"""
 
-    def test_0000(self):
-        """ verify template on L2 datapath"""
+    @classmethod
+    def setUpClass(cls):
+        super(DatapathTestsHolder, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(DatapathTestsHolder, cls).tearDownClass()
+
+    def test_templatesL2(self):
+        """verify template on L2 datapath"""
         self.logger.info("FFP_TEST_START_0000")
         self.pg_enable_capture(self.pg_interfaces)
 
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, layer="l2", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         # template packet should arrive immediately
-        ipfix.verify_templates(timeout=3, count=3)
-        self.collector.get_capture(3)
+        self.vapi.ipfix_flush()
+        ipfix.verify_templates(timeout=3, count=1)
+        self.collector.get_capture(1)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0000")
 
-    def test_0001(self):
-        """ L2 data on L2 datapath"""
+    def test_L2onL2(self):
+        """L2 data on L2 datapath"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10, layer='l2')
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, layer="l2", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
         self.create_stream(packets=1)
         capture = self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 256: 8})
-
-        # expected two templates and one cflow packet
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 256: 8, 61: (self.direction == "tx")},
+        )
         self.collector.get_capture(2)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
-    def test_0002(self):
-        """ L3 data on L2 datapath"""
+    def test_L3onL2(self):
+        """L3 data on L2 datapath"""
         self.logger.info("FFP_TEST_START_0002")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10, layer='l3')
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, layer="l3", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2)
+        templates = ipfix.verify_templates(ipfix_decoder, count=2)
 
         self.create_stream(packets=1)
         capture = self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 4: 17,
-                                       8: 'src_ip', 12: 'dst_ip'})
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {
+                2: "packets",
+                4: 17,
+                8: "src_ip",
+                12: "dst_ip",
+                61: (self.direction == "tx"),
+            },
+        )
 
-        # expected one template and one cflow packet
         self.collector.get_capture(3)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0002")
 
-    def test_0003(self):
-        """ L4 data on L2 datapath"""
+    def test_L234onL2(self):
+        """L2/3/4 data on L2 datapath"""
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pkts = []
+
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, layer="l2 l3 l4", direction=self.direction
+        )
+        ipfix.add_vpp_config()
+
+        ipfix_decoder = IPFIXDecoder()
+        # template packet should arrive immediately
+        tmpl_l2_field_count = TMPL_COMMON_FIELD_COUNT + TMPL_L2_FIELD_COUNT
+        tmpl_ip_field_count = (
+            TMPL_COMMON_FIELD_COUNT
+            + TMPL_L2_FIELD_COUNT
+            + TMPL_L3_FIELD_COUNT
+            + TMPL_L4_FIELD_COUNT
+        )
+        templates = ipfix.verify_templates(
+            ipfix_decoder,
+            count=3,
+            field_count_in=(tmpl_l2_field_count, tmpl_ip_field_count),
+        )
+
+        # verify IPv4 and IPv6 flows
+        for ip_ver in ("v4", "v6"):
+            self.create_stream(packets=1, ip_ver=ip_ver)
+            capture = self.send_packets()
+
+            # make sure the one packet we expect actually showed up
+            self.vapi.ipfix_flush()
+            cflow = self.wait_for_cflow_packet(
+                self.collector, templates[1 if ip_ver == "v4" else 2]
+            )
+            src_ip_id = 8 if ip_ver == "v4" else 27
+            dst_ip_id = 12 if ip_ver == "v4" else 28
+            self.verify_cflow_data_detail(
+                ipfix_decoder,
+                capture,
+                cflow,
+                {
+                    2: "packets",
+                    256: 8 if ip_ver == "v4" else 56710,
+                    4: 17,
+                    7: "sport",
+                    11: "dport",
+                    src_ip_id: "src_ip",
+                    dst_ip_id: "dst_ip",
+                    61: (self.direction == "tx"),
+                },
+                ip_ver=ip_ver,
+                field_count=tmpl_ip_field_count,
+            )
+
+        # verify non-IP flow
+        self.pkts = [
+            (
+                Ether(dst=self.pg2.local_mac, src=self.pg1.remote_mac)
+                / SlowProtocol()
+                / LACP()
+            )
+        ]
+        capture = self.send_packets()
+
+        # make sure the one packet we expect actually showed up
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 256: 2440, 61: (self.direction == "tx")},
+            field_count=tmpl_l2_field_count,
+        )
+
+        self.collector.get_capture(6)
+
+        ipfix.remove_vpp_config()
+
+    def test_L4onL2(self):
+        """L4 data on L2 datapath"""
         self.logger.info("FFP_TEST_START_0003")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10, layer='l4')
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, layer="l4", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2)
+        templates = ipfix.verify_templates(ipfix_decoder, count=2)
 
         self.create_stream(packets=1)
         capture = self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 7: 'sport', 11: 'dport'})
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 7: "sport", 11: "dport", 61: (self.direction == "tx")},
+        )
 
-        # expected one template and one cflow packet
         self.collector.get_capture(3)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0003")
 
-
-class TestFFP_DatapathIP4(MethodHolder):
-    """collect information on IP4 datapath"""
-
-    def test_0000(self):
-        """ verify templates on IP4 datapath"""
+    def test_templatesIp4(self):
+        """verify templates on IP4 datapath"""
         self.logger.info("FFP_TEST_START_0000")
 
         self.pg_enable_capture(self.pg_interfaces)
 
-        ipfix = VppCFLOW(test=self, active=10, datapath='ip4')
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, datapath="ip4", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         # template packet should arrive immediately
+        self.vapi.ipfix_flush()
         ipfix.verify_templates(timeout=3, count=1)
         self.collector.get_capture(1)
 
@@ -531,27 +919,37 @@ class TestFFP_DatapathIP4(MethodHolder):
 
         self.logger.info("FFP_TEST_FINISH_0000")
 
-    def test_0001(self):
-        """ L2 data on IP4 datapath"""
+    def test_L2onIP4(self):
+        """L2 data on IP4 datapath"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg4', active=10,
-                         layer='l2', datapath='ip4')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf2,
+            layer="l2",
+            datapath="ip4",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
         self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
         capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 256: 8})
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 256: 8, 61: (self.direction == "tx")},
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -559,28 +957,43 @@ class TestFFP_DatapathIP4(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
-    def test_0002(self):
-        """ L3 data on IP4 datapath"""
+    def test_L3onIP4(self):
+        """L3 data on IP4 datapath"""
         self.logger.info("FFP_TEST_START_0002")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg4', active=10,
-                         layer='l3', datapath='ip4')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf2,
+            layer="l3",
+            datapath="ip4",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
         self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
         capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {1: 'octets', 2: 'packets',
-                                       8: 'src_ip', 12: 'dst_ip'})
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {
+                1: "octets",
+                2: "packets",
+                8: "src_ip",
+                12: "dst_ip",
+                61: (self.direction == "tx"),
+            },
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -588,27 +1001,37 @@ class TestFFP_DatapathIP4(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0002")
 
-    def test_0003(self):
-        """ L4 data on IP4 datapath"""
+    def test_L4onIP4(self):
+        """L4 data on IP4 datapath"""
         self.logger.info("FFP_TEST_START_0003")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg4', active=10,
-                         layer='l4', datapath='ip4')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf2,
+            layer="l4",
+            datapath="ip4",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
         self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
         capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 7: 'sport', 11: 'dport'})
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 7: "sport", 11: "dport", 61: (self.direction == "tx")},
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -616,49 +1039,56 @@ class TestFFP_DatapathIP4(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0003")
 
-
-class TestFFP_DatapathIP6(MethodHolder):
-    """collect information on IP6 datapath"""
-
-    def test_0000(self):
-        """ verify templates on IP6 datapath"""
+    def test_templatesIP6(self):
+        """verify templates on IP6 datapath"""
         self.logger.info("FFP_TEST_START_0000")
         self.pg_enable_capture(self.pg_interfaces)
 
-        ipfix = VppCFLOW(test=self, active=10, datapath='ip6')
+        ipfix = VppCFLOW(
+            test=self, intf=self.intf1, datapath="ip6", direction=self.direction
+        )
         ipfix.add_vpp_config()
 
         # template packet should arrive immediately
-        ipfix.verify_templates(timeout=3, count=1)
+        ipfix.verify_templates(count=1)
         self.collector.get_capture(1)
 
         ipfix.remove_vpp_config()
 
         self.logger.info("FFP_TEST_FINISH_0000")
 
-    def test_0001(self):
-        """ L2 data on IP6 datapath"""
+    def test_L2onIP6(self):
+        """L2 data on IP6 datapath"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg6', active=20,
-                         layer='l2', datapath='ip6')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf3,
+            layer="l2",
+            datapath="ip6",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
-        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
-                           ip_ver='IPv6')
+        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
         capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 256: 56710},
-                                      ip_ver='v6')
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 256: 56710, 61: (self.direction == "tx")},
+            ip_ver="v6",
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -666,30 +1096,38 @@ class TestFFP_DatapathIP6(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
-    def test_0002(self):
-        """ L3 data on IP6 datapath"""
+    def test_L3onIP6(self):
+        """L3 data on IP6 datapath"""
         self.logger.info("FFP_TEST_START_0002")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg6', active=10,
-                         layer='l3', datapath='ip6')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf3,
+            layer="l3",
+            datapath="ip6",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
-        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
-                           ip_ver='IPv6')
+        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
         capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets',
-                                       27: 'src_ip', 28: 'dst_ip'},
-                                      ip_ver='v6')
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 27: "src_ip", 28: "dst_ip", 61: (self.direction == "tx")},
+            ip_ver="v6",
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -697,29 +1135,38 @@ class TestFFP_DatapathIP6(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0002")
 
-    def test_0003(self):
-        """ L4 data on IP6 datapath"""
+    def test_L4onIP6(self):
+        """L4 data on IP6 datapath"""
         self.logger.info("FFP_TEST_START_0003")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, intf='pg6', active=10,
-                         layer='l4', datapath='ip6')
+        ipfix = VppCFLOW(
+            test=self,
+            intf=self.intf3,
+            layer="l4",
+            datapath="ip6",
+            direction=self.direction,
+        )
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
 
-        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
-                           ip_ver='IPv6')
+        self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1, ip_ver="IPv6")
         capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
-        self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
-                                      {2: 'packets', 7: 'sport', 11: 'dport'},
-                                      ip_ver='v6')
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {2: "packets", 7: "sport", 11: "dport", 61: (self.direction == "tx")},
+            ip_ver="v6",
+        )
 
         # expected two templates and one cflow packet
         self.collector.get_capture(2)
@@ -727,58 +1174,53 @@ class TestFFP_DatapathIP6(MethodHolder):
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0003")
 
-
-class TestFFP_NoTimers(MethodHolder):
-    """No timers"""
-
     def test_0001(self):
-        """ no timers, one CFLOW packet, 9 Flows inside"""
+        """no timers, one CFLOW packet, 9 Flows inside"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=0)
+        ipfix = VppCFLOW(test=self, intf=self.intf1, direction=self.direction)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        templates = ipfix.verify_templates(ipfix_decoder)
 
         self.create_stream(packets=9)
         capture = self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        cflow = self.wait_for_cflow_packet(self.collector, templates[1], 10)
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[1])
         self.verify_cflow_data_notimer(ipfix_decoder, capture, [cflow])
-        self.wait_for_cflow_packet(self.collector, templates[1], 10,
-                                   expected=False)
         self.collector.get_capture(4)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
     def test_0002(self):
-        """ no timers, two CFLOW packets (mtu=256), 3 Flows in each"""
+        """no timers, two CFLOW packets (mtu=260), 3 Flows in each"""
         self.logger.info("FFP_TEST_START_0002")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=0, mtu=256)
+        ipfix = VppCFLOW(test=self, intf=self.intf1, direction=self.direction, mtu=260)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        self.vapi.ipfix_flush()
+        templates = ipfix.verify_templates(ipfix_decoder)
 
         self.create_stream(packets=6)
         capture = self.send_packets()
 
         # make sure the one packet we expect actually showed up
         cflows = []
-        cflows.append(self.wait_for_cflow_packet(self.collector,
-                                                 templates[1], 10))
-        cflows.append(self.wait_for_cflow_packet(self.collector,
-                                                 templates[1], 10))
+        self.vapi.ipfix_flush()
+        cflows.append(self.wait_for_cflow_packet(self.collector, templates[1]))
+        cflows.append(self.wait_for_cflow_packet(self.collector, templates[1]))
         self.verify_cflow_data_notimer(ipfix_decoder, capture, cflows)
         self.collector.get_capture(5)
 
@@ -786,182 +1228,380 @@ class TestFFP_NoTimers(MethodHolder):
         self.logger.info("FFP_TEST_FINISH_0002")
 
 
-class TestFFP_DisableIPFIX(MethodHolder):
+class DatapathTx(MethodHolder, DatapathTestsHolder):
+    """Collect info on Ethernet, IP4 and IP6 datapath (TX) (no timers)"""
+
+    intf1 = "pg2"
+    intf2 = "pg4"
+    intf3 = "pg6"
+    direction = "tx"
+
+    def test_rewritten_traffic(self):
+        """Rewritten traffic (from subif to ipfix if)"""
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pkts = []
+
+        # prepare a sub-interface
+        subif = VppDot1ADSubint(self, self.pg7, 0, 300, 400)
+        subif.admin_up()
+        subif.config_ip4()
+
+        # enable ip4 datapath for an interface
+        ipfix = VppCFLOW(
+            test=self,
+            intf="pg8",
+            datapath="ip4",
+            layer="l2 l3 l4",
+            direction=self.direction,
+        )
+        ipfix.add_vpp_config()
+
+        # template packet should arrive immediately
+        ipfix_decoder = IPFIXDecoder()
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+        # forward some traffic through the ipfix interface
+        route = VppIpRoute(
+            self,
+            "9.0.0.0",
+            24,
+            [VppRoutePath(self.pg8.remote_ip4, self.pg8.sw_if_index)],
+        )
+        route.add_vpp_config()
+
+        # prepare an IPv4 packet (subif => ipfix interface)
+        pkt = (
+            Ether(src=subif.remote_mac, dst=self.pg7.local_mac)
+            / IP(src=subif.remote_ip4, dst="9.0.0.1")
+            / UDP(sport=1234, dport=4321)
+            / Raw(b"\xa5" * 123)
+        )
+        self.pkts = [
+            subif.add_dot1ad_layer(pkt, 300, 400),
+        ]
+
+        # send the packet
+        capture = self.send_packets(self.pg7, self.pg8)
+
+        # wait for a flow and verify it
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+        self.verify_cflow_data(ipfix_decoder, capture, cflow)
+        self.verify_cflow_data_detail(
+            ipfix_decoder,
+            capture,
+            cflow,
+            {
+                IPFIX_SRC_IP4_ADDR_ID: "src_ip",
+                IPFIX_DST_IP4_ADDR_ID: "dst_ip",
+                IPFIX_SRC_TRANS_PORT_ID: "sport",
+                IPFIX_DST_TRANS_PORT_ID: "dport",
+                IPFIX_FLOW_DIRECTION_ID: (self.direction == "tx"),
+            },
+        )
+
+        self.collector.get_capture(2)
+
+        # cleanup
+        route.remove_vpp_config()
+        subif.remove_vpp_config()
+        ipfix.remove_vpp_config()
+
+
+class DatapathRx(MethodHolder, DatapathTestsHolder):
+    """Collect info on Ethernet, IP4 and IP6 datapath (RX) (no timers)"""
+
+    intf1 = "pg1"
+    intf2 = "pg3"
+    intf3 = "pg5"
+    direction = "rx"
+
+
+@unittest.skipUnless(config.extended, "part of extended tests")
+class DisableIPFIX(MethodHolder):
     """Disable IPFIX"""
 
+    @classmethod
+    def setUpClass(cls):
+        super(DisableIPFIX, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(DisableIPFIX, cls).tearDownClass()
+
     def test_0001(self):
-        """ disable IPFIX after first packets"""
+        """disable IPFIX after first packets"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(test=self)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=30)
+        templates = ipfix.verify_templates(ipfix_decoder)
 
         self.create_stream()
         self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
+        self.vapi.ipfix_flush()
+        self.wait_for_cflow_packet(self.collector, templates[1])
         self.collector.get_capture(4)
 
-        # disble IPFIX
+        # disable IPFIX
         ipfix.disable_exporter()
         self.pg_enable_capture([self.collector])
 
         self.send_packets()
 
         # make sure no one packet arrived in 1 minute
-        self.wait_for_cflow_packet(self.collector, templates[1], 30,
-                                   expected=False)
-        self.collector.get_capture(0)
+        self.vapi.ipfix_flush()
+        self.sleep(1, "wait before verifying no packets sent")
+        self.collector.assert_nothing_captured()
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
 
-class TestFFP_ReenableIPFIX(MethodHolder):
+@unittest.skipUnless(config.extended, "part of extended tests")
+class ReenableIPFIX(MethodHolder):
     """Re-enable IPFIX"""
 
-    def test_0001(self):
-        """ disable IPFIX after first packets and re-enable after few packets
-        """
+    @classmethod
+    def setUpClass(cls):
+        super(ReenableIPFIX, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(ReenableIPFIX, cls).tearDownClass()
+
+    def test_0011(self):
+        """disable IPFIX after first packets and re-enable after few packets"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(test=self)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        templates = ipfix.verify_templates(ipfix_decoder)
 
-        self.create_stream()
+        self.create_stream(packets=5)
         self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
+        self.vapi.ipfix_flush()
+        self.wait_for_cflow_packet(self.collector, templates[1])
         self.collector.get_capture(4)
 
-        # disble IPFIX
+        # disable IPFIX
         ipfix.disable_exporter()
+        self.vapi.ipfix_flush()
         self.pg_enable_capture([self.collector])
 
         self.send_packets()
 
         # make sure no one packet arrived in active timer span
-        self.wait_for_cflow_packet(self.collector, templates[1], 30,
-                                   expected=False)
-        self.collector.get_capture(0)
+        self.vapi.ipfix_flush()
+        self.sleep(1, "wait before verifying no packets sent")
+        self.collector.assert_nothing_captured()
+        self.pg2.get_capture(5)
 
         # enable IPFIX
         ipfix.enable_exporter()
-        self.vapi.cli("ipfix flush")
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
 
-        self.send_packets()
-
-        # make sure the next packets (templates and data) we expect actually
-        # showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
-        self.collector.get_capture(4)
+        capture = self.collector.get_capture(4)
+        nr_templates = 0
+        nr_data = 0
+        for p in capture:
+            self.assertTrue(p.haslayer(IPFIX))
+            if p.haslayer(Template):
+                nr_templates += 1
+        self.assertTrue(nr_templates, 3)
+        for p in capture:
+            self.assertTrue(p.haslayer(IPFIX))
+            if p.haslayer(Data):
+                nr_data += 1
+        self.assertTrue(nr_templates, 1)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
 
-class TestFFP_DisableFFP(MethodHolder):
+@unittest.skipUnless(config.extended, "part of extended tests")
+class DisableFP(MethodHolder):
     """Disable Flowprobe feature"""
 
+    @classmethod
+    def setUpClass(cls):
+        super(DisableFP, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(DisableFP, cls).tearDownClass()
+
     def test_0001(self):
-        """ disable flowprobe feature after first packets"""
+        """disable flowprobe feature after first packets"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(test=self)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
-        templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+        templates = ipfix.verify_templates(ipfix_decoder)
 
         self.create_stream()
         self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
+        self.vapi.ipfix_flush()
+        self.wait_for_cflow_packet(self.collector, templates[1])
         self.collector.get_capture(4)
 
-        # disble IPFIX
+        # disable IPFIX
         ipfix.disable_flowprobe_feature()
         self.pg_enable_capture([self.collector])
 
         self.send_packets()
 
         # make sure no one packet arrived in active timer span
-        self.wait_for_cflow_packet(self.collector, templates[1], 30,
-                                   expected=False)
-        self.collector.get_capture(0)
+        self.vapi.ipfix_flush()
+        self.sleep(1, "wait before verifying no packets sent")
+        self.collector.assert_nothing_captured()
+
+        # enable FPP feature so the remove_vpp_config() doesn't fail
+        # due to missing feature on interface.
+        ipfix.enable_flowprobe_feature()
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
+    def test_no_leftover_flows_after_disabling(self):
+        """disable flowprobe feature and expect no leftover flows"""
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pkts = []
+
+        # enable ip4 datapath for an interface
+        # set active and passive timers
+        ipfix = VppCFLOW(
+            test=self,
+            active=3,
+            passive=4,
+            intf="pg3",
+            layer="l3",
+            datapath="ip4",
+            direction="rx",
+            mtu=100,
+        )
+        ipfix.add_vpp_config()
+
+        # template packet should arrive immediately
+        ipfix.verify_templates(count=1)
 
-class TestFFP_ReenableFFP(MethodHolder):
+        # send some ip4 packets
+        self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=5)
+        self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+        # disable feature for the interface
+        # currently stored ip4 flows should be removed
+        ipfix.disable_flowprobe_feature()
+
+        # no leftover ip4 flows are expected
+        self.pg_enable_capture([self.collector])
+        self.sleep(12, "wait for leftover ip4 flows during three passive intervals")
+        self.collector.assert_nothing_captured()
+
+        # re-enable feature for the interface
+        ipfix.enable_flowprobe_feature()
+
+        # template packet should arrive immediately
+        ipfix_decoder = IPFIXDecoder()
+        self.vapi.ipfix_flush()
+        templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+        # send some ip4 packets
+        self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=5)
+        capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+        # verify meta info - packet/octet delta
+        self.vapi.ipfix_flush()
+        cflow = self.wait_for_cflow_packet(self.collector, templates[0], timeout=8)
+        self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+        self.collector.get_capture(2)
+
+        # cleanup
+        ipfix.remove_vpp_config()
+
+
+@unittest.skipUnless(config.extended, "part of extended tests")
+class ReenableFP(MethodHolder):
     """Re-enable Flowprobe feature"""
 
+    @classmethod
+    def setUpClass(cls):
+        super(ReenableFP, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(ReenableFP, cls).tearDownClass()
+
     def test_0001(self):
-        """ disable flowprobe feature after first packets and re-enable
-        after few packets """
+        """disable flowprobe feature after first packets and re-enable
+        after few packets"""
         self.logger.info("FFP_TEST_START_0001")
         self.pg_enable_capture(self.pg_interfaces)
         self.pkts = []
 
-        ipfix = VppCFLOW(test=self, active=10)
+        ipfix = VppCFLOW(test=self)
         ipfix.add_vpp_config()
 
         ipfix_decoder = IPFIXDecoder()
         # template packet should arrive immediately
+        self.vapi.ipfix_flush()
         templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
 
         self.create_stream()
         self.send_packets()
 
         # make sure the one packet we expect actually showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
+        self.vapi.ipfix_flush()
+        self.wait_for_cflow_packet(self.collector, templates[1], 5)
         self.collector.get_capture(4)
 
-        # disble FPP feature
+        # disable FPP feature
         ipfix.disable_flowprobe_feature()
         self.pg_enable_capture([self.collector])
 
         self.send_packets()
 
         # make sure no one packet arrived in active timer span
-        self.wait_for_cflow_packet(self.collector, templates[1], 30,
-                                   expected=False)
-        self.collector.get_capture(0)
+        self.vapi.ipfix_flush()
+        self.sleep(5, "wait before verifying no packets sent")
+        self.collector.assert_nothing_captured()
 
         # enable FPP feature
         ipfix.enable_flowprobe_feature()
-        self.vapi.cli("ipfix flush")
+        self.vapi.ipfix_flush()
         templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
 
         self.send_packets()
 
         # make sure the next packets (templates and data) we expect actually
         # showed up
-        self.wait_for_cflow_packet(self.collector, templates[1], 30)
+        self.vapi.ipfix_flush()
+        self.wait_for_cflow_packet(self.collector, templates[1], 5)
         self.collector.get_capture(4)
 
         ipfix.remove_vpp_config()
         self.logger.info("FFP_TEST_FINISH_0001")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main(testRunner=VppTestRunner)