fib: fib api updates
[vpp.git] / test / test_bier.py
index 48d0a29..793c8ca 100644 (file)
@@ -1,21 +1,26 @@
 #!/usr/bin/env python
 
 import unittest
-import socket
 
-from framework import VppTestCase, VppTestRunner
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, \
     VppMplsTable, VppIpMRoute, VppMRoutePath, VppIpTable, \
-    MRouteEntryFlags, MRouteItfFlags, MPLS_LABEL_INVALID, DpoProto
-from vpp_bier import *
-from vpp_udp_encap import *
+    MRouteEntryFlags, MRouteItfFlags, 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
 
+import scapy.compat
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP, ICMP
+from scapy.layers.inet import IP, UDP
 from scapy.layers.inet6 import IPv6
 from scapy.contrib.mpls import MPLS
-from scapy.contrib.bier import *
+from scapy.contrib.bier import BIER, BIERLength, BIFT
+
+NUM_PKTS = 67
 
 
 class TestBFIB(VppTestCase):
@@ -27,7 +32,7 @@ class TestBFIB(VppTestCase):
 
         if error:
             self.logger.critical(error)
-        self.assertEqual(error.find("Failed"), -1)
+        self.assertNotIn("Failed", error)
 
 
 class TestBier(VppTestCase):
@@ -66,28 +71,13 @@ class TestBier(VppTestCase):
             i.admin_down()
         super(TestBier, self).tearDown()
 
-    def send_and_assert_no_replies(self, intf, pkts, remark):
-        intf.add_stream(pkts)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-        for i in self.pg_interfaces:
-            i.assert_nothing_captured(remark=remark)
-
-    def send_and_expect(self, input, pkts, output):
-        self.vapi.cli("trace add bier-mpls-lookup 10")
-        input.add_stream(pkts)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-        rx = output.get_capture(len(pkts))
-        return rx
-
-    def test_bier_midpoint(self):
+    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, BIERLength.BIER_LEN_256)
+        bti = VppBierTableID(0, 0, hdr_len_id)
         bt = VppBierTable(self, bti, 77)
         bt.add_vpp_config()
 
@@ -96,8 +86,7 @@ class TestBier(VppTestCase):
         #
         p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
              MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256,
-                  BitString=chr(0)*64) /
+             BIER(length=hdr_len_id) /
              IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
              UDP(sport=1234, dport=1234) /
              Raw())
@@ -113,74 +102,204 @@ class TestBier(VppTestCase):
         #
         nh_routes = []
         bier_routes = []
-        for i in range(1, 256):
+        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=[2000+i])]))
+            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=[100+i])]))
+            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 spat out to BP:1
+        # A packet with all bits set gets replicated once for each bit
         #
-        p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
-             MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256) /
-             IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
-             UDP(sport=1234, dport=1234) /
-             Raw())
-        pkts = [p]
+        pkt_sizes = [64, 1400]
 
-        self.pg0.add_stream(pkts)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
+        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 = ''.join([scapy.compat.chb(x) for x in 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)
 
-        rx = self.pg1.get_capture(255)
-
-        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, BIERLength.BIER_LEN_256)
-            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.
-            i = 0
-            bitstring = ""
-            bpi = bp - 1
-            while (i < bpi/8):
-                bitstring = chr(0) + bitstring
-                i += 1
-            bitstring = chr(1 << bpi % 8) + bitstring
-
-            while len(bitstring) < 32:
-                bitstring = chr(0) + bitstring
-
-            self.assertEqual(len(bitstring), len(bier_hdr.BitString))
-            self.assertEqual(bitstring, bier_hdr.BitString)
+    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"""
@@ -200,27 +319,27 @@ class TestBier(VppTestCase):
         ip_route_1 = VppIpRoute(self, nh1, 32,
                                 [VppRoutePath(self.pg1.remote_ip4,
                                               self.pg1.sw_if_index,
-                                              labels=[2001])])
+                                              labels=[VppMplsLabel(2001)])])
         ip_route_2 = VppIpRoute(self, nh2, 32,
                                 [VppRoutePath(self.pg1.remote_ip4,
                                               self.pg1.sw_if_index,
-                                              labels=[2002])])
+                                              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=[101])])
+                                                  labels=[VppMplsLabel(101)])])
         bier_route_2 = VppBierRoute(self, bti, 2,
                                     [VppRoutePath(nh2, 0xffffffff,
-                                                  labels=[102])])
+                                                  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, chr(0x3) * 32)
+        bi = VppBierImp(self, bti, 333, scapy.compat.chb(0x3) * 32)
         bi.add_vpp_config()
 
         #
@@ -235,7 +354,8 @@ class TestBier(VppTestCase):
                                  MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
                    VppMRoutePath(0xffffffff,
                                  MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
-                                 proto=DpoProto.DPO_PROTO_BIER,
+                                 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()
 
@@ -296,10 +416,12 @@ class TestBier(VppTestCase):
         #
         # BIER route in table that's for-us
         #
-        bier_route_1 = VppBierRoute(self, bti, 1,
-                                    [VppRoutePath("0.0.0.0",
-                                                  0xffffffff,
-                                                  nh_table_id=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()
 
         #
@@ -307,6 +429,7 @@ class TestBier(VppTestCase):
         #
         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()
 
@@ -328,29 +451,97 @@ class TestBier(VppTestCase):
         #
         p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
              MPLS(label=77, ttl=255) /
-             BIER(length=BIERLength.BIER_LEN_256, BFRID=99) /
+             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)
 
-    def test_bier_e2e(self):
-        """ BIER end-to-end """
+        #
+        # 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_ENTRY_FLAG_NONE,
+            paths=[VppMRoutePath(0xffffffff,
+                                 MRouteItfFlags.MFIB_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_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"""
 
         #
         # Add a BIER table for sub-domain 0, set 0, and BSL 256
         #
-        bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_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 string 101010101....
-        #  sender 333
+        # Impostion Sets bit strings
         #
-        bi = VppBierImp(self, bti, 333, chr(0x5) * 32)
-        bi.add_vpp_config()
+        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
@@ -364,9 +555,23 @@ class TestBier(VppTestCase):
                                  MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
                    VppMRoutePath(0xffffffff,
                                  MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
-                                 proto=DpoProto.DPO_PROTO_BIER,
-                                 bier_imp=bi.bi_index)])
+                                 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_ENTRY_FLAG_NONE,
+            paths=[VppMRoutePath(self.pg0.sw_if_index,
+                                 MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+                   VppMRoutePath(0xffffffff,
+                                 MRouteItfFlags.MFIB_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
@@ -375,14 +580,23 @@ class TestBier(VppTestCase):
         bdt.add_vpp_config()
 
         #
-        # BIER route in table that's for-us, resolving through
+        # 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,
-                                                  nh_table_id=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
@@ -390,11 +604,17 @@ class TestBier(VppTestCase):
         #
         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 route that will forward the traffic
+        # Add a multicast routes that will forward the traffic
         # post-disposition
         #
         route_eg_232_1_1_1 = VppIpMRoute(
@@ -407,6 +627,16 @@ class TestBier(VppTestCase):
                                  MRouteItfFlags.MFIB_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_ENTRY_FLAG_NONE,
+            table_id=10,
+            paths=[VppMRoutePath(self.pg1.sw_if_index,
+                                 MRouteItfFlags.MFIB_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,
@@ -416,16 +646,48 @@ class TestBier(VppTestCase):
         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))
+             UDP(sport=1234, dport=1234) /
+             Raw(scapy.compat.chb(5) * 32))
 
-        rx = self.send_and_expect(self.pg0, p*65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p*NUM_PKTS, self.pg1)
 
-        #
-        # should be IP
-        #
         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"""
 
@@ -443,27 +705,32 @@ class TestBier(VppTestCase):
         ip_route = VppIpRoute(self, nh1, 32,
                               [VppRoutePath(self.pg1.remote_ip4,
                                             self.pg1.sw_if_index,
-                                            labels=[2001])])
+                                            labels=[VppMplsLabel(2001)])])
         ip_route.add_vpp_config()
 
-        udp_encap = VppUdpEncap(self, 4,
+        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,
-                                                is_udp_encap=1,
-                                                next_hop_id=4)])
+        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 imposition object with all bit-positions set
+        # 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, chr(0xff) * 32)
+        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
@@ -477,8 +744,9 @@ class TestBier(VppTestCase):
                                  MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
                    VppMRoutePath(0xffffffff,
                                  MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
-                                 proto=DpoProto.DPO_PROTO_BIER,
-                                 bier_imp=bi.bi_index)])
+                                 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()
 
         #
@@ -502,7 +770,7 @@ class TestBier(VppTestCase):
         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, 2)
+        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)
@@ -527,10 +795,12 @@ class TestBier(VppTestCase):
         #
         # BIER route in table that's for-us
         #
-        bier_route_1 = VppBierRoute(self, bti, 1,
-                                    [VppRoutePath("0.0.0.0",
-                                                  0xffffffff,
-                                                  nh_table_id=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()
 
         #
@@ -538,6 +808,7 @@ class TestBier(VppTestCase):
         #
         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()
 
@@ -561,7 +832,9 @@ class TestBier(VppTestCase):
              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, BFRID=99) /
+             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())