tests: move bier tests to src/vnet/bier/test

- Refactor make test code to be co-located with
  the vpp feature source code

Type: test

Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Change-Id: I17003925be06d1051f18f1c24ff081790a610c23

1 files changed, 0 insertions, 862 deletions

diff --git a/test/test_bier.py b/test/test_bier.py
deleted file mode 100644
index 2f649bbde53..00000000000
--- a/test/test_bier.py
+++ /dev/null
@@ -1,862 +0,0 @@
-#!/usr/bin/env python3
-
-import unittest
-
-from framework import VppTestCase, VppTestRunner, running_extended_tests
-from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, \
-    VppMplsTable, VppIpMRoute, VppMRoutePath, VppIpTable, \
-    MPLS_LABEL_INVALID, \
-    VppMplsLabel, FibPathProto, FibPathType
-from vpp_bier import BIER_HDR_PAYLOAD, VppBierImp, VppBierDispEntry, \
-    VppBierDispTable, VppBierTable, VppBierTableID, VppBierRoute
-from vpp_udp_encap import VppUdpEncap
-from vpp_papi import VppEnum
-
-import scapy.compat
-from scapy.packet import Raw
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
-from scapy.layers.inet6 import IPv6
-from scapy.contrib.mpls import MPLS
-from scapy.contrib.bier import BIER, BIERLength, BIFT
-
-NUM_PKTS = 67
-
-
-class TestBFIB(VppTestCase):
-    """ BIER FIB Test Case """
-
-    def test_bfib(self):
-        """ BFIB Unit Tests """
-        error = self.vapi.cli("test bier")
-
-        if error:
-            self.logger.critical(error)
-        self.assertNotIn("Failed", error)
-
-
-class TestBier(VppTestCase):
-    """ BIER Test Case """
-
-    def setUp(self):
-        super(TestBier, self).setUp()
-
-        # create 2 pg interfaces
-        self.create_pg_interfaces(range(3))
-
-        # create the default MPLS table
-        self.tables = []
-        tbl = VppMplsTable(self, 0)
-        tbl.add_vpp_config()
-        self.tables.append(tbl)
-
-        tbl = VppIpTable(self, 10)
-        tbl.add_vpp_config()
-        self.tables.append(tbl)
-
-        # setup both interfaces
-        for i in self.pg_interfaces:
-            if i == self.pg2:
-                i.set_table_ip4(10)
-            i.admin_up()
-            i.config_ip4()
-            i.resolve_arp()
-            i.enable_mpls()
-
-    def tearDown(self):
-        for i in self.pg_interfaces:
-            i.disable_mpls()
-            i.unconfig_ip4()
-            i.set_table_ip4(0)
-            i.admin_down()
-        super(TestBier, self).tearDown()
-
-    def bier_midpoint(self, hdr_len_id, n_bytes, max_bp):
-        """BIER midpoint"""
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(0, 0, hdr_len_id)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        #
-        # A packet with no bits set gets dropped
-        #
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             MPLS(label=77, ttl=255) /
-             BIER(length=hdr_len_id) /
-             IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-        pkts = [p]
-
-        self.send_and_assert_no_replies(self.pg0, pkts,
-                                        "Empty Bit-String")
-
-        #
-        # Add a BIER route for each bit-position in the table via a different
-        # next-hop. Testing whether the BIER walk and replicate forwarding
-        # function works for all bit posisitons.
-        #
-        nh_routes = []
-        bier_routes = []
-        for i in range(1, max_bp+1):
-            nh = "10.0.%d.%d" % (i / 255, i % 255)
-            nh_routes.append(
-                VppIpRoute(self, nh, 32,
-                           [VppRoutePath(self.pg1.remote_ip4,
-                                         self.pg1.sw_if_index,
-                                         labels=[VppMplsLabel(2000+i)])]))
-            nh_routes[-1].add_vpp_config()
-
-            bier_routes.append(
-                VppBierRoute(self, bti, i,
-                             [VppRoutePath(nh, 0xffffffff,
-                                           labels=[VppMplsLabel(100+i)])]))
-            bier_routes[-1].add_vpp_config()
-
-        #
-        # A packet with all bits set gets replicated once for each bit
-        #
-        pkt_sizes = [64, 1400]
-
-        for pkt_size in pkt_sizes:
-            p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-                 MPLS(label=77, ttl=255) /
-                 BIER(length=hdr_len_id,
-                      BitString=scapy.compat.chb(255)*n_bytes) /
-                 IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
-                 UDP(sport=1234, dport=1234) /
-                 Raw(scapy.compat.chb(5) * pkt_size))
-            pkts = p
-
-            self.pg0.add_stream(pkts)
-            self.pg_enable_capture(self.pg_interfaces)
-            self.pg_start()
-
-            rx = self.pg1.get_capture(max_bp)
-
-            for rxp in rx:
-                #
-                # The packets are not required to be sent in bit-position order
-                # when we setup the routes above we used the bit-position to
-                # construct the out-label. so use that here to determine the BP
-                #
-                olabel = rxp[MPLS]
-                bp = olabel.label - 2000
-
-                blabel = olabel[MPLS].payload
-                self.assertEqual(blabel.label, 100+bp)
-                self.assertEqual(blabel.ttl, 254)
-
-                bier_hdr = blabel[MPLS].payload
-
-                self.assertEqual(bier_hdr.id, 5)
-                self.assertEqual(bier_hdr.version, 0)
-                self.assertEqual(bier_hdr.length, hdr_len_id)
-                self.assertEqual(bier_hdr.entropy, 0)
-                self.assertEqual(bier_hdr.OAM, 0)
-                self.assertEqual(bier_hdr.RSV, 0)
-                self.assertEqual(bier_hdr.DSCP, 0)
-                self.assertEqual(bier_hdr.Proto, 5)
-
-                # The bit-string should consist only of the BP given by i.
-                byte_array = [b'\0'] * (n_bytes)
-                byte_val = scapy.compat.chb(1 << (bp - 1) % 8)
-                byte_pos = n_bytes - (((bp - 1) // 8) + 1)
-                byte_array[byte_pos] = byte_val
-                bitstring = b''.join(byte_array)
-
-                self.assertEqual(len(bitstring), len(bier_hdr.BitString))
-                self.assertEqual(bitstring, bier_hdr.BitString)
-
-        #
-        # cleanup. not strictly necessary, but it's much quicker this way
-        # because the bier_fib_dump and ip_fib_dump will be empty when the
-        # auto-cleanup kicks in
-        #
-        for br in bier_routes:
-            br.remove_vpp_config()
-        for nhr in nh_routes:
-            nhr.remove_vpp_config()
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_midpoint_1024(self):
-        """BIER midpoint BSL:1024"""
-        self.bier_midpoint(BIERLength.BIER_LEN_1024, 128, 1024)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_midpoint_512(self):
-        """BIER midpoint BSL:512"""
-        self.bier_midpoint(BIERLength.BIER_LEN_512, 64, 512)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_midpoint_256(self):
-        """BIER midpoint BSL:256"""
-        self.bier_midpoint(BIERLength.BIER_LEN_256, 32, 256)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_midpoint_128(self):
-        """BIER midpoint BSL:128"""
-        self.bier_midpoint(BIERLength.BIER_LEN_128, 16, 128)
-
-    def test_bier_midpoint_64(self):
-        """BIER midpoint BSL:64"""
-        self.bier_midpoint(BIERLength.BIER_LEN_64, 8, 64)
-
-    def test_bier_load_balance(self):
-        """BIER load-balance"""
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_64)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        #
-        # packets with varying entropy
-        #
-        pkts = []
-        for ii in range(257):
-            pkts.append((Ether(dst=self.pg0.local_mac,
-                               src=self.pg0.remote_mac) /
-                         MPLS(label=77, ttl=255) /
-                         BIER(length=BIERLength.BIER_LEN_64,
-                              entropy=ii,
-                              BitString=scapy.compat.chb(255)*16) /
-                         IPv6(src=self.pg0.remote_ip6,
-                              dst=self.pg0.remote_ip6) /
-                         UDP(sport=1234, dport=1234) /
-                         Raw()))
-
-        #
-        # 4 next hops
-        #
-        nhs = [{'ip': "10.0.0.1", 'label': 201},
-               {'ip': "10.0.0.2", 'label': 202},
-               {'ip': "10.0.0.3", 'label': 203},
-               {'ip': "10.0.0.4", 'label': 204}]
-
-        for nh in nhs:
-            ipr = VppIpRoute(
-                self, nh['ip'], 32,
-                [VppRoutePath(self.pg1.remote_ip4,
-                              self.pg1.sw_if_index,
-                              labels=[VppMplsLabel(nh['label'])])])
-            ipr.add_vpp_config()
-
-        bier_route = VppBierRoute(
-            self, bti, 1,
-            [VppRoutePath(nhs[0]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)]),
-             VppRoutePath(nhs[1]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)])])
-        bier_route.add_vpp_config()
-
-        rx = self.send_and_expect(self.pg0, pkts, self.pg1)
-
-        #
-        # we should have recieved a packet from each neighbor
-        #
-        for nh in nhs[:2]:
-            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
-
-        #
-        # add the other paths
-        #
-        bier_route.update_paths(
-            [VppRoutePath(nhs[0]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)]),
-             VppRoutePath(nhs[1]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)]),
-             VppRoutePath(nhs[2]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)]),
-             VppRoutePath(nhs[3]['ip'], 0xffffffff,
-                          labels=[VppMplsLabel(101)])])
-
-        rx = self.send_and_expect(self.pg0, pkts, self.pg1)
-
-        for nh in nhs:
-            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
-
-        #
-        # remove first two paths
-        #
-        bier_route.remove_path(VppRoutePath(nhs[0]['ip'], 0xffffffff,
-                                            labels=[VppMplsLabel(101)]))
-        bier_route.remove_path(VppRoutePath(nhs[1]['ip'], 0xffffffff,
-                                            labels=[VppMplsLabel(101)]))
-
-        rx = self.send_and_expect(self.pg0, pkts, self.pg1)
-        for nh in nhs[2:]:
-            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))
-
-        #
-        # remove the last of the paths, deleteing the entry
-        #
-        bier_route.remove_all_paths()
-
-        self.send_and_assert_no_replies(self.pg0, pkts)
-
-    def test_bier_head(self):
-        """BIER head"""
-
-        MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
-        MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_256)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        #
-        # 2 bit positions via two next hops
-        #
-        nh1 = "10.0.0.1"
-        nh2 = "10.0.0.2"
-        ip_route_1 = VppIpRoute(self, nh1, 32,
-                                [VppRoutePath(self.pg1.remote_ip4,
-                                              self.pg1.sw_if_index,
-                                              labels=[VppMplsLabel(2001)])])
-        ip_route_2 = VppIpRoute(self, nh2, 32,
-                                [VppRoutePath(self.pg1.remote_ip4,
-                                              self.pg1.sw_if_index,
-                                              labels=[VppMplsLabel(2002)])])
-        ip_route_1.add_vpp_config()
-        ip_route_2.add_vpp_config()
-
-        bier_route_1 = VppBierRoute(self, bti, 1,
-                                    [VppRoutePath(nh1, 0xffffffff,
-                                                  labels=[VppMplsLabel(101)])])
-        bier_route_2 = VppBierRoute(self, bti, 2,
-                                    [VppRoutePath(nh2, 0xffffffff,
-                                                  labels=[VppMplsLabel(102)])])
-        bier_route_1.add_vpp_config()
-        bier_route_2.add_vpp_config()
-
-        #
-        # An imposition object with both bit-positions set
-        #
-        bi = VppBierImp(self, bti, 333, scapy.compat.chb(0x3) * 32)
-        bi.add_vpp_config()
-
-        #
-        # Add a multicast route that will forward into the BIER doamin
-        #
-        route_ing_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg0.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
-                   VppMRoutePath(0xffffffff,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
-                                 proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                 type=FibPathType.FIB_PATH_TYPE_BIER_IMP,
-                                 bier_imp=bi.bi_index)])
-        route_ing_232_1_1_1.add_vpp_config()
-
-        #
-        # inject an IP packet. We expect it to be BIER encapped and
-        # replicated.
-        #
-        p = (Ether(dst=self.pg0.local_mac,
-                   src=self.pg0.remote_mac) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234))
-
-        self.pg0.add_stream([p])
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-
-        rx = self.pg1.get_capture(2)
-
-        #
-        # Encap Stack is; eth, MPLS, MPLS, BIER
-        #
-        igp_mpls = rx[0][MPLS]
-        self.assertEqual(igp_mpls.label, 2001)
-        self.assertEqual(igp_mpls.ttl, 64)
-        self.assertEqual(igp_mpls.s, 0)
-        bier_mpls = igp_mpls[MPLS].payload
-        self.assertEqual(bier_mpls.label, 101)
-        self.assertEqual(bier_mpls.ttl, 64)
-        self.assertEqual(bier_mpls.s, 1)
-        self.assertEqual(rx[0][BIER].length, 2)
-
-        igp_mpls = rx[1][MPLS]
-        self.assertEqual(igp_mpls.label, 2002)
-        self.assertEqual(igp_mpls.ttl, 64)
-        self.assertEqual(igp_mpls.s, 0)
-        bier_mpls = igp_mpls[MPLS].payload
-        self.assertEqual(bier_mpls.label, 102)
-        self.assertEqual(bier_mpls.ttl, 64)
-        self.assertEqual(bier_mpls.s, 1)
-        self.assertEqual(rx[0][BIER].length, 2)
-
-    def test_bier_tail(self):
-        """BIER Tail"""
-
-        MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
-        MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_256)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        #
-        # disposition table
-        #
-        bdt = VppBierDispTable(self, 8)
-        bdt.add_vpp_config()
-
-        #
-        # BIER route in table that's for-us
-        #
-        bier_route_1 = VppBierRoute(
-            self, bti, 1,
-            [VppRoutePath("0.0.0.0",
-                          0xffffffff,
-                          proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                          nh_table_id=8)])
-        bier_route_1.add_vpp_config()
-
-        #
-        # An entry in the disposition table
-        #
-        bier_de_1 = VppBierDispEntry(self, bdt.id, 99,
-                                     BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
-                                     FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                     "0.0.0.0", 0, rpf_id=8192)
-        bier_de_1.add_vpp_config()
-
-        #
-        # A multicast route to forward post BIER disposition
-        #
-        route_eg_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg1.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
-        route_eg_232_1_1_1.add_vpp_config()
-        route_eg_232_1_1_1.update_rpf_id(8192)
-
-        #
-        # A packet with all bits set gets spat out to BP:1
-        #
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256,
-                  BitString=scapy.compat.chb(255)*32,
-                  BFRID=99) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-
-        self.send_and_expect(self.pg0, [p], self.pg1)
-
-        #
-        # A packet that does not match the Disposition entry gets dropped
-        #
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256,
-                  BitString=scapy.compat.chb(255)*32,
-                  BFRID=77) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-        self.send_and_assert_no_replies(self.pg0, p*2,
-                                        "no matching disposition entry")
-
-        #
-        # Add the default route to the disposition table
-        #
-        bier_de_2 = VppBierDispEntry(self, bdt.id, 0,
-                                     BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
-                                     FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                     "0.0.0.0", 0, rpf_id=8192)
-        bier_de_2.add_vpp_config()
-
-        #
-        # now the previous packet is forwarded
-        #
-        self.send_and_expect(self.pg0, [p], self.pg1)
-
-        #
-        # A multicast route to forward post BIER disposition that needs
-        # a check against sending back into the BIER core
-        #
-        bi = VppBierImp(self, bti, 333, scapy.compat.chb(0x3) * 32)
-        bi.add_vpp_config()
-
-        route_eg_232_1_1_2 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.2", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(0xffffffff,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
-                                 proto=DpoProto.DPO_PROTO_BIER,
-                                 type=FibPathType.FIB_PATH_TYPE_BIER_IMP,
-                                 bier_imp=bi.bi_index),
-                   VppMRoutePath(self.pg1.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
-        route_eg_232_1_1_2.add_vpp_config()
-        route_eg_232_1_1_2.update_rpf_id(8192)
-
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256,
-                  BitString=scapy.compat.chb(255)*32,
-                  BFRID=77) /
-             IP(src="1.1.1.1", dst="232.1.1.2") /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-        self.send_and_expect(self.pg0, [p], self.pg1)
-
-    def bier_e2e(self, hdr_len_id, n_bytes, max_bp):
-        """ BIER end-to-end"""
-
-        MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
-        MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(0, 0, hdr_len_id)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        lowest = [b'\0'] * (n_bytes)
-        lowest[-1] = scapy.compat.chb(1)
-        highest = [b'\0'] * (n_bytes)
-        highest[0] = scapy.compat.chb(128)
-
-        #
-        # Impostion Sets bit strings
-        #
-        bi_low = VppBierImp(self, bti, 333, lowest)
-        bi_low.add_vpp_config()
-        bi_high = VppBierImp(self, bti, 334, highest)
-        bi_high.add_vpp_config()
-
-        #
-        # Add a multicast route that will forward into the BIER doamin
-        #
-        route_ing_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg0.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
-                   VppMRoutePath(0xffffffff,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
-                                 proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                 type=FibPathType.FIB_PATH_TYPE_BIER_IMP,
-                                 bier_imp=bi_low.bi_index)])
-        route_ing_232_1_1_1.add_vpp_config()
-        route_ing_232_1_1_2 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.2", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg0.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
-                   VppMRoutePath(0xffffffff,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
-                                 proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                 type=FibPathType.FIB_PATH_TYPE_BIER_IMP,
-                                 bier_imp=bi_high.bi_index)])
-        route_ing_232_1_1_2.add_vpp_config()
-
-        #
-        # disposition table 8
-        #
-        bdt = VppBierDispTable(self, 8)
-        bdt.add_vpp_config()
-
-        #
-        # BIER routes in table that are for-us, resolving through
-        # disp table 8.
-        #
-        bier_route_1 = VppBierRoute(
-            self, bti, 1,
-            [VppRoutePath("0.0.0.0",
-                          0xffffffff,
-                          proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                          nh_table_id=8)])
-        bier_route_1.add_vpp_config()
-        bier_route_max = VppBierRoute(
-            self, bti, max_bp,
-            [VppRoutePath("0.0.0.0",
-                          0xffffffff,
-                          proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                          nh_table_id=8)])
-        bier_route_max.add_vpp_config()
-
-        #
-        # An entry in the disposition table for sender 333
-        #  lookup in VRF 10
-        #
-        bier_de_1 = VppBierDispEntry(self, bdt.id, 333,
-                                     BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
-                                     FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                     "0.0.0.0", 10, rpf_id=8192)
-        bier_de_1.add_vpp_config()
-        bier_de_1 = VppBierDispEntry(self, bdt.id, 334,
-                                     BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
-                                     FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                     "0.0.0.0", 10, rpf_id=8193)
-        bier_de_1.add_vpp_config()
-
-        #
-        # Add a multicast routes that will forward the traffic
-        # post-disposition
-        #
-        route_eg_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            table_id=10,
-            paths=[VppMRoutePath(self.pg1.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
-        route_eg_232_1_1_1.add_vpp_config()
-        route_eg_232_1_1_1.update_rpf_id(8192)
-        route_eg_232_1_1_2 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.2", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            table_id=10,
-            paths=[VppMRoutePath(self.pg1.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
-        route_eg_232_1_1_2.add_vpp_config()
-        route_eg_232_1_1_2.update_rpf_id(8193)
-
-        #
-        # inject a packet in VRF-0. We expect it to be BIER encapped,
-        # replicated, then hit the disposition and be forwarded
-        # out of VRF 10, i.e. on pg1
-        #
-        p = (Ether(dst=self.pg0.local_mac,
-                   src=self.pg0.remote_mac) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234) /
-             Raw(scapy.compat.chb(5) * 32))
-
-        rx = self.send_and_expect(self.pg0, p*NUM_PKTS, self.pg1)
-
-        self.assertEqual(rx[0][IP].src, "1.1.1.1")
-        self.assertEqual(rx[0][IP].dst, "232.1.1.1")
-
-        p = (Ether(dst=self.pg0.local_mac,
-                   src=self.pg0.remote_mac) /
-             IP(src="1.1.1.1", dst="232.1.1.2") /
-             UDP(sport=1234, dport=1234) /
-             Raw(scapy.compat.chb(5) * 512))
-
-        rx = self.send_and_expect(self.pg0, p*NUM_PKTS, self.pg1)
-        self.assertEqual(rx[0][IP].src, "1.1.1.1")
-        self.assertEqual(rx[0][IP].dst, "232.1.1.2")
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_e2e_1024(self):
-        """ BIER end-to-end BSL:1024"""
-        self.bier_e2e(BIERLength.BIER_LEN_1024, 128, 1024)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_e2e_512(self):
-        """ BIER end-to-end BSL:512"""
-        self.bier_e2e(BIERLength.BIER_LEN_512, 64, 512)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_e2e_256(self):
-        """ BIER end-to-end BSL:256"""
-        self.bier_e2e(BIERLength.BIER_LEN_256, 32, 256)
-
-    @unittest.skipUnless(running_extended_tests, "part of extended tests")
-    def test_bier_e2e_128(self):
-        """ BIER end-to-end BSL:128"""
-        self.bier_e2e(BIERLength.BIER_LEN_128, 16, 128)
-
-    def test_bier_e2e_64(self):
-        """ BIER end-to-end BSL:64"""
-        self.bier_e2e(BIERLength.BIER_LEN_64, 8, 64)
-
-    def test_bier_head_o_udp(self):
-        """BIER head over UDP"""
-
-        MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
-        MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
-
-        #
-        # Add a BIER table for sub-domain 1, set 0, and BSL 256
-        #
-        bti = VppBierTableID(1, 0, BIERLength.BIER_LEN_256)
-        bt = VppBierTable(self, bti, 77)
-        bt.add_vpp_config()
-
-        #
-        # 1 bit positions via 1 next hops
-        #
-        nh1 = "10.0.0.1"
-        ip_route = VppIpRoute(self, nh1, 32,
-                              [VppRoutePath(self.pg1.remote_ip4,
-                                            self.pg1.sw_if_index,
-                                            labels=[VppMplsLabel(2001)])])
-        ip_route.add_vpp_config()
-
-        udp_encap = VppUdpEncap(self,
-                                self.pg0.local_ip4,
-                                nh1,
-                                330, 8138)
-        udp_encap.add_vpp_config()
-
-        bier_route = VppBierRoute(
-            self, bti, 1,
-            [VppRoutePath("0.0.0.0",
-                          0xFFFFFFFF,
-                          type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
-                          next_hop_id=udp_encap.id)])
-        bier_route.add_vpp_config()
-
-        #
-        # An 2 imposition objects with all bit-positions set
-        # only use the second, but creating 2 tests with a non-zero
-        # value index in the route add
-        #
-        bi = VppBierImp(self, bti, 333, scapy.compat.chb(0xff) * 32)
-        bi.add_vpp_config()
-        bi2 = VppBierImp(self, bti, 334, scapy.compat.chb(0xff) * 32)
-        bi2.add_vpp_config()
-
-        #
-        # Add a multicast route that will forward into the BIER doamin
-        #
-        route_ing_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg0.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
-                   VppMRoutePath(0xffffffff,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
-                                 proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                 type=FibPathType.FIB_PATH_TYPE_BIER_IMP,
-                                 bier_imp=bi2.bi_index)])
-        route_ing_232_1_1_1.add_vpp_config()
-
-        #
-        # inject a packet an IP. We expect it to be BIER and UDP encapped,
-        #
-        p = (Ether(dst=self.pg0.local_mac,
-                   src=self.pg0.remote_mac) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234))
-
-        self.pg0.add_stream([p])
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-
-        rx = self.pg1.get_capture(1)
-
-        #
-        # Encap Stack is, eth, IP, UDP, BIFT, BIER
-        #
-        self.assertEqual(rx[0][IP].src, self.pg0.local_ip4)
-        self.assertEqual(rx[0][IP].dst, nh1)
-        self.assertEqual(rx[0][UDP].sport, 330)
-        self.assertEqual(rx[0][UDP].dport, 8138)
-        self.assertEqual(rx[0][BIFT].bsl, BIERLength.BIER_LEN_256)
-        self.assertEqual(rx[0][BIFT].sd, 1)
-        self.assertEqual(rx[0][BIFT].set, 0)
-        self.assertEqual(rx[0][BIFT].ttl, 64)
-        self.assertEqual(rx[0][BIER].length, 2)
-
-    def test_bier_tail_o_udp(self):
-        """BIER Tail over UDP"""
-
-        MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
-        MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
-
-        #
-        # Add a BIER table for sub-domain 0, set 0, and BSL 256
-        #
-        bti = VppBierTableID(1, 0, BIERLength.BIER_LEN_256)
-        bt = VppBierTable(self, bti, MPLS_LABEL_INVALID)
-        bt.add_vpp_config()
-
-        #
-        # disposition table
-        #
-        bdt = VppBierDispTable(self, 8)
-        bdt.add_vpp_config()
-
-        #
-        # BIER route in table that's for-us
-        #
-        bier_route_1 = VppBierRoute(
-            self, bti, 1,
-            [VppRoutePath("0.0.0.0",
-                          0xffffffff,
-                          proto=FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                          nh_table_id=8)])
-        bier_route_1.add_vpp_config()
-
-        #
-        # An entry in the disposition table
-        #
-        bier_de_1 = VppBierDispEntry(self, bdt.id, 99,
-                                     BIER_HDR_PAYLOAD.BIER_HDR_PROTO_IPV4,
-                                     FibPathProto.FIB_PATH_NH_PROTO_BIER,
-                                     "0.0.0.0", 0, rpf_id=8192)
-        bier_de_1.add_vpp_config()
-
-        #
-        # A multicast route to forward post BIER disposition
-        #
-        route_eg_232_1_1_1 = VppIpMRoute(
-            self,
-            "0.0.0.0",
-            "232.1.1.1", 32,
-            MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
-            paths=[VppMRoutePath(self.pg1.sw_if_index,
-                                 MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
-        route_eg_232_1_1_1.add_vpp_config()
-        route_eg_232_1_1_1.update_rpf_id(8192)
-
-        #
-        # A packet with all bits set gets spat out to BP:1
-        #
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
-             UDP(sport=333, dport=8138) /
-             BIFT(sd=1, set=0, bsl=2, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256,
-                  BitString=scapy.compat.chb(255)*32,
-                  BFRID=99) /
-             IP(src="1.1.1.1", dst="232.1.1.1") /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-
-        rx = self.send_and_expect(self.pg0, [p], self.pg1)
-
-
-if __name__ == '__main__':
-    unittest.main(testRunner=VppTestRunner)