+ self.pg2.unconfig_ip4()
+ self.pg3.unconfig_ip4()
+
+ def test_gbp_learn_l3(self):
+ """ GBP L3 Endpoint Learning """
+
+ self.vapi.cli("set logging class gbp level debug")
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ learnt = [{'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.1.2',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:03',
+ 'ip': '10.0.1.3',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ tun_ip4_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ self.pg4.remote_ip4, 114)
+ tun_ip6_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ self.pg4.remote_ip4, 116)
+ tun_ip4_uu.add_vpp_config()
+ tun_ip6_uu.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 401, t4, t6, tun_ip4_uu, tun_ip6_uu)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg2 hosts the vxlan tunnel
+ # hosts on pg2 to act as TEPs
+ # pg3 is BD uu-fwd
+ # pg4 is RD uu-fwd
+ #
+ self.pg2.config_ip4()
+ self.pg2.resolve_arp()
+ self.pg2.generate_remote_hosts(4)
+ self.pg2.configure_ipv4_neighbors()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
+
+ #
+ # a GBP bridge domain with a BVI and a UU-flood interface
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, self.pg3)
+ gbd1.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+ self.logger.info(self.vapi.cli("sh gbp route"))
+
+ # ... and has a /32 and /128 applied
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 128)
+ ip6_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 441, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ #
+ # The VXLAN GBP tunnel is in L3 mode with learning enabled
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 101, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ #
+ # A static endpoint that the learnt endpoints are trying to
+ # talk to
+ #
+ ep = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ #
+ # learn some remote IPv4 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # Static IPv4 EP replies to learnt
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=l['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IP].src, ep.ip4.address)
+ self.assertEqual(inner[IP].dst, l['ip'])
+
+ for l in learnt:
+ self.assertFalse(find_gbp_endpoint(self,
+ tep1_sw_if_index,
+ ip=l['ip']))
+
+ #
+ # learn some remote IPv6 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IPv6(src=l['ip6'], dst=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ self.logger.info(self.vapi.cli("show gbp bridge"))
+ self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+ self.logger.info(self.vapi.cli("show gbp vxlan"))
+ self.logger.info(self.vapi.cli("show int addr"))
+
+ # endpoint learnt via the TEP
+ self.assertTrue(find_gbp_endpoint(self, ip=l['ip6']))
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+ self.logger.info(self.vapi.cli("show ip fib index 1 %s" % l['ip']))
+
+ #
+ # Static EP replies to learnt
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IPv6(dst=l['ip6'], src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IPv6].src, ep.ip6.address)
+ self.assertEqual(inner[IPv6].dst, l['ip6'])
+
+ self.logger.info(self.vapi.cli("sh gbp endpoint"))
+ for l in learnt:
+ self.wait_for_ep_timeout(ip=l['ip'])
+
+ #
+ # Static sends to unknown EP with no route
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.0.99", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, [p])
+
+ #
+ # Add a route to static EP's v4 and v6 subnet
+ #
+ se_10_24 = VppGbpSubnet(
+ self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT)
+ se_10_24.add_vpp_config()
+
+ #
+ # static pings router
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=epg_220.bvi_ip4.address, src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IPv6(dst=epg_220.bvi_ip6.address, src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ #
+ # packets to address in the subnet are sent on the uu-fwd
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.0.99", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, [p], self.pg4)
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg4.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg4.remote_ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 114)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # policy is not applied to packets sent to the uu-fwd interfaces
+ self.assertFalse(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ #
+ # learn some remote IPv4 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # Add a remote endpoint from the API
+ #
+ rep_88 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.0.88", "11.0.0.88",
+ "2001:10::88", "3001::88",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4,
+ mac=None)
+ rep_88.add_vpp_config()
+
+ #
+ # Add a remote endpoint from the API that matches an existing one
+ # this is a lower priority, hence the packet is sent to the DP leanrt
+ # TEP
+ #
+ rep_2 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ learnt[0]['ip'], "11.0.0.101",
+ learnt[0]['ip6'], "3001::101",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ mac=None)
+ rep_2.add_vpp_config()
+
+ #
+ # Add a route to the learned EP's v4 subnet
+ # packets should be send on the v4/v6 uu=fwd interface resp.
+ #
+ se_10_1_24 = VppGbpSubnet(
+ self, rd1, "10.0.1.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT)
+ se_10_1_24.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+
+ ips = ["10.0.0.88", learnt[0]['ip']]
+ for ip in ips:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=ip, src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IP].src, ep.ip4.address)
+ self.assertEqual(inner[IP].dst, ip)
+
+ #
+ # remove the API remote EPs, only API sourced is gone, the DP
+ # learnt one remains
+ #
+ rep_88.remove_vpp_config()
+ rep_2.remove_vpp_config()
+
+ self.assertTrue(find_gbp_endpoint(self, ip=rep_2.ip4.address))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(src=ep.ip4.address, dst=rep_2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, [p], self.pg2)
+
+ self.assertFalse(find_gbp_endpoint(self, ip=rep_88.ip4.address))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(src=ep.ip4.address, dst=rep_88.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, [p], self.pg4)
+
+ #
+ # to appease the testcase we cannot have the registered EP still
+ # present (because it's DP learnt) when the TC ends so wait until
+ # it is removed
+ #
+ self.wait_for_ep_timeout(ip=rep_88.ip4.address)
+ self.wait_for_ep_timeout(ip=rep_2.ip4.address)
+
+ #
+ # Same as above, learn a remote EP via CP and DP
+ # this time remove the DP one first. expect the CP data to remain
+ #
+ rep_3 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.1.4", "11.0.0.103",
+ "2001::10:3", "3001::103",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ mac=None)
+ rep_3.add_vpp_config()
+
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src="10.0.1.4", dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4]))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.1.4", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 2 is the DP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+
+ self.wait_for_ep_timeout(ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4])
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 1 is the CP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+
+ #
+ # shutdown with learnt endpoint present
+ #
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=learnt[1]['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # TODO
+ # remote endpoint becomes local
+ #
+ self.pg2.unconfig_ip4()
+ self.pg3.unconfig_ip4()
+ self.pg4.unconfig_ip4()
+
+ def test_gbp_redirect(self):
+ """ GBP Endpoint Redirect """
+
+ self.vapi.cli("set logging class gbp level debug")
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ learnt = [{'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.1.2',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:03',
+ 'ip': '10.0.1.3',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 402, t4, t6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's UU-fwd
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a GBP bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0)
+ gbd1.add_vpp_config()
+
+ bd2 = VppBridgeDomain(self, 2)
+ bd2.add_vpp_config()
+ gbd2 = VppGbpBridgeDomain(self, bd2, rd1, self.loop1)
+ gbd2.add_vpp_config()
+
+ # ... and has a /32 and /128 applied
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 128)
+ ip6_addr.add_vpp_config()
+ ip4_addr = VppIpInterfaceAddress(self, gbd2.bvi, "10.0.1.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd2.bvi, "2001:11::128", 128)
+ ip6_addr.add_vpp_config()
+
+ #
+ # The Endpoint-groups in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 440, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+ epg_221 = VppGbpEndpointGroup(self, 221, 441, rd1, gbd2,
+ None, gbd2.bvi,
+ "10.0.1.128",
+ "2001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_221.add_vpp_config()
+ epg_222 = VppGbpEndpointGroup(self, 222, 442, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.2.128",
+ "2001:12::128",
+ VppGbpEndpointRetention(2))
+ epg_222.add_vpp_config()
+
+ #
+ # a GBP bridge domains for the SEPs
+ #
+ bd_uu1 = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 116)
+ bd_uu1.add_vpp_config()
+ bd_uu2 = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 117)
+ bd_uu2.add_vpp_config()
+
+ bd3 = VppBridgeDomain(self, 3)
+ bd3.add_vpp_config()
+ gbd3 = VppGbpBridgeDomain(self, bd3, rd1, self.loop2,
+ bd_uu1, learn=False)
+ gbd3.add_vpp_config()
+ bd4 = VppBridgeDomain(self, 4)
+ bd4.add_vpp_config()
+ gbd4 = VppGbpBridgeDomain(self, bd4, rd1, self.loop3,
+ bd_uu2, learn=False)
+ gbd4.add_vpp_config()
+
+ #
+ # EPGs in which the service endpoints exist
+ #
+ epg_320 = VppGbpEndpointGroup(self, 320, 550, rd1, gbd3,
+ None, gbd1.bvi,
+ "12.0.0.128",
+ "4001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_320.add_vpp_config()
+ epg_321 = VppGbpEndpointGroup(self, 321, 551, rd1, gbd4,
+ None, gbd2.bvi,
+ "12.0.1.128",
+ "4001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_321.add_vpp_config()
+
+ #
+ # three local endpoints
+ #
+ ep1 = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001:10::1")
+ ep1.add_vpp_config()
+ ep2 = VppGbpEndpoint(self, self.pg1,
+ epg_221, None,
+ "10.0.1.1", "11.0.1.1",
+ "2001:11::1", "3001:11::1")
+ ep2.add_vpp_config()
+ ep3 = VppGbpEndpoint(self, self.pg2,
+ epg_222, None,
+ "10.0.2.2", "11.0.2.2",
+ "2001:12::1", "3001:12::1")
+ ep3.add_vpp_config()
+
+ #
+ # service endpoints
+ #
+ sep1 = VppGbpEndpoint(self, self.pg3,
+ epg_320, None,
+ "12.0.0.1", "13.0.0.1",
+ "4001:10::1", "5001:10::1")
+ sep1.add_vpp_config()
+ sep2 = VppGbpEndpoint(self, self.pg4,
+ epg_320, None,
+ "12.0.0.2", "13.0.0.2",
+ "4001:10::2", "5001:10::2")
+ sep2.add_vpp_config()
+ sep3 = VppGbpEndpoint(self, self.pg5,
+ epg_321, None,
+ "12.0.1.1", "13.0.1.1",
+ "4001:11::1", "5001:11::1")
+ sep3.add_vpp_config()
+ # this EP is not installed immediately
+ sep4 = VppGbpEndpoint(self, self.pg6,
+ epg_321, None,
+ "12.0.1.2", "13.0.1.2",
+ "4001:11::2", "5001:11::2")
+
+ #
+ # an L2 switch packet between local EPs in different EPGs
+ # different dest ports on each so the are LB hashed differently
+ #
+ p4 = [(Ether(src=ep1.mac, dst=ep3.mac) /
+ IP(src=ep1.ip4.address, dst=ep3.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep3.mac, dst=ep1.mac) /
+ IP(src=ep3.ip4.address, dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=ep3.mac) /
+ IPv6(src=ep1.ip6.address, dst=ep3.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep3.mac, dst=ep1.mac) /
+ IPv6(src=ep3.ip6.address, dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1230) /
+ Raw('\xa5' * 100))]
+
+ # should be dropped since no contract yet
+ self.send_and_assert_no_replies(self.pg0, [p4[0]])
+ self.send_and_assert_no_replies(self.pg0, [p6[0]])
+
+ #
+ # Add a contract with a rule to load-balance redirect via SEP1 and SEP2
+ # one of the next-hops is via an EP that is not known
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ #
+ # test the src-ip hash mode
+ #
+ c1 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_222.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ c2 = VppGbpContract(
+ self, 402, epg_222.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ #
+ # send again with the contract preset, now packets arrive
+ # at SEP1 or SEP2 depending on the hashing
+ #
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep3.ip4.address)
+
+ rxs = self.send_and_expect(self.pg2, p4[1] * 17, sep2.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep2.mac)
+ self.assertEqual(rx[IP].src, ep3.ip4.address)
+ self.assertEqual(rx[IP].dst, ep1.ip4.address)
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 117)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep4.mac)
+ self.assertEqual(inner[IPv6].src, ep1.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep3.ip6.address)
+
+ rxs = self.send_and_expect(self.pg2, p6[1] * 17, sep3.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep3.mac)
+ self.assertEqual(rx[IPv6].src, ep3.ip6.address)
+ self.assertEqual(rx[IPv6].dst, ep1.ip6.address)
+
+ #
+ # programme the unknown EP
+ #
+ sep4.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, sep4.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep4.mac)
+ self.assertEqual(rx[IPv6].src, ep1.ip6.address)
+ self.assertEqual(rx[IPv6].dst, ep3.ip6.address)
+
+ #
+ # and revert back to unprogrammed
+ #
+ sep4.remove_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 117)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep4.mac)
+ self.assertEqual(inner[IPv6].src, ep1.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep3.ip6.address)
+
+ c1.remove_vpp_config()
+ c2.remove_vpp_config()
+
+ #
+ # test the symmetric hash mode
+ #
+ c1 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_222.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ c2 = VppGbpContract(
+ self, 402, epg_222.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ #
+ # send again with the contract preset, now packets arrive
+ # at SEP1 for both directions
+ #
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep3.ip4.address)
+
+ rxs = self.send_and_expect(self.pg2, p4[1] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep3.ip4.address)
+ self.assertEqual(rx[IP].dst, ep1.ip4.address)
+
+ #
+ # programme the unknown EP for the L3 tests
+ #
+ sep4.add_vpp_config()
+
+ #
+ # an L3 switch packet between local EPs in different EPGs
+ # different dest ports on each so the are LB hashed differently
+ #
+ p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IP(src=ep2.ip4.address, dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep1.ip6.address, dst=ep2.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep2.ip6.address, dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ c3 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_221.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep2.ip4.address)
+
+ #
+ # learn a remote EP in EPG 221
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 444, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ c4 = VppGbpContract(
+ self, 402, epg_221.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=441, flags=0x88) /
+ Ether(src="00:22:22:22:22:33", dst=str(self.router_mac)) /
+ IP(src="10.0.0.88", dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg7, [p], self.pg0)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="10.0.0.88"))
+
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=441, flags=0x88) /
+ Ether(src="00:22:22:22:22:33", dst=str(self.router_mac)) /
+ IPv6(src="2001:10::88", dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg7, [p], self.pg0)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="2001:10::88"))
+
+ #
+ # L3 switch from local to remote EP
+ #
+ p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IP(src=ep1.ip4.address, dst="10.0.0.88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep1.ip6.address, dst="2001:10::88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, "10.0.0.88")