diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_gbp.py | 180 | ||||
| -rw-r--r-- | test/vpp_papi_provider.py | 3 |
2 files changed, 180 insertions, 3 deletions
diff --git a/test/test_gbp.py b/test/test_gbp.py index a45b2f845b8..92480cebba3 100644 --- a/test/test_gbp.py +++ b/test/test_gbp.py @@ -10,6 +10,7 @@ from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, \ from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort, \ VppBridgeDomainArpEntry, VppL2FibEntry, find_bridge_domain_port from vpp_vxlan_gbp_tunnel import * +from vpp_sub_interface import VppDot1QSubint from vpp_ip import * from vpp_mac import * @@ -17,7 +18,7 @@ from vpp_papi_provider import L2_PORT_TYPE from vpp_papi import VppEnum from scapy.packet import Raw -from scapy.layers.l2 import Ether, ARP +from scapy.layers.l2 import Ether, ARP, Dot1Q from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr, \ ICMPv6ND_NA @@ -27,6 +28,7 @@ from scapy.layers.vxlan import VXLAN from socket import AF_INET, AF_INET6 from scapy.utils import inet_pton, inet_ntop from util import mactobinary +from vpp_papi_provider import L2_VTR_OP def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None): @@ -287,15 +289,22 @@ class VppGbpBridgeDomain(VppObject): GBP Bridge Domain """ - def __init__(self, test, bd, bvi, uu_flood=None): + def __init__(self, test, bd, bvi, uu_flood=None, learn=True): self._test = test self.bvi = bvi self.uu_flood = uu_flood self.bd = bd + e = VppEnum.vl_api_gbp_bridge_domain_flags_t + if (learn): + self.learn = e.GBP_BD_API_FLAG_NONE + else: + self.learn = e.GBP_BD_API_FLAG_DO_NOT_LEARN + def add_vpp_config(self): self._test.vapi.gbp_bridge_domain_add( self.bd.bd_id, + self.learn, self.bvi.sw_if_index, self.uu_flood.sw_if_index if self.uu_flood else INDEX_INVALID) self._test.registry.register(self, self._test.logger) @@ -1695,6 +1704,173 @@ class TestGBP(VppTestCase): self.logger.info(self.vapi.cli("sh int")) self.logger.info(self.vapi.cli("sh gbp vxlan")) + def test_gbp_learn_vlan_l2(self): + """ GBP L2 Endpoint w/ VLANs""" + + learnt = [{'mac': '00:00:11:11:11:01', + 'ip': '10.0.0.1', + 'ip6': '2001:10::2'}, + {'mac': '00:00:11:11:11:02', + 'ip': '10.0.0.2', + 'ip6': '2001:10::3'}] + + # + # lower the inactive threshold so these tests pass in a + # reasonable amount of time + # + self.vapi.gbp_endpoint_learn_set_inactive_threshold(1) + + # + # IP tables + # + gt4 = VppIpTable(self, 1) + gt4.add_vpp_config() + gt6 = VppIpTable(self, 1, is_ip6=True) + gt6.add_vpp_config() + + rd1 = VppGbpRouteDomain(self, 1, gt4, gt6) + rd1.add_vpp_config() + + # + # Pg2 hosts the vxlan tunnel, hosts on pg2 to act as TEPs + # + 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() + + # + # The EP will be on a vlan sub-interface + # + vlan_11 = VppDot1QSubint(self, self.pg0, 11) + vlan_11.admin_up() + self.vapi.sw_interface_set_l2_tag_rewrite(vlan_11.sw_if_index, + L2_VTR_OP.L2_POP_1, + 11) + + bd_uu_fwd = VppVxlanGbpTunnel(self, self.pg3.local_ip4, + self.pg3.remote_ip4, 116) + bd_uu_fwd.add_vpp_config() + + # + # a GBP bridge domain with a BVI and a UU-flood interface + # The BD is marked as do not learn, so no endpoints are ever + # learnt in this BD. + # + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + gbd1 = VppGbpBridgeDomain(self, bd1, self.loop0, bd_uu_fwd, + learn=False) + gbd1.add_vpp_config() + + self.logger.info(self.vapi.cli("sh bridge 1 detail")) + self.logger.info(self.vapi.cli("sh gbp bridge")) + + # ... and has a /32 applied + ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32) + ip_addr.add_vpp_config() + + # + # The Endpoint-group in which we are learning endpoints + # + epg_220 = VppGbpEndpointGroup(self, 220, rd1, gbd1, + None, self.loop0, + "10.0.0.128", + "2001:10::128") + epg_220.add_vpp_config() + + # + # The VXLAN GBP tunnel is a bridge-port and has L2 endpoint + # leanring enabled + # + vx_tun_l2_1 = VppGbpVxlanTunnel( + self, 99, bd1.bd_id, + VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L2) + vx_tun_l2_1.add_vpp_config() + + # + # A static endpoint that the learnt endpoints are trying to + # talk to + # + ep = VppGbpEndpoint(self, vlan_11, + epg_220, None, + "10.0.0.127", "11.0.0.127", + "2001:10::1", "3001::1") + ep.add_vpp_config() + + self.assertTrue(find_route(self, ep.ip4.address, 32, table_id=1)) + + # + # Send to the static EP + # + for ii, l in enumerate(learnt): + # a packet with an sclass from a knwon 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=99, gpid=220, flags=0x88) / + Ether(src=l['mac'], dst=ep.mac) / + IP(src=l['ip'], dst=ep.ip4.address) / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg2, [p], self.pg0) + + # + # packet to EP has the EP's vlan tag + # + for rx in rxs: + self.assertEqual(rx[Dot1Q].vlan, 11) + + # + # the EP is not learnt since the BD setting prevents it + # also no TEP too + # + self.assertFalse(find_gbp_endpoint(self, + vx_tun_l2_1.sw_if_index, + mac=l['mac'])) + self.assertEqual(INDEX_INVALID, + find_vxlan_gbp_tunnel( + self, + self.pg2.local_ip4, + self.pg2.remote_hosts[1].ip4, + 99)) + + self.assertEqual(len(self.vapi.gbp_endpoint_dump()), 1) + + # + # static to remotes + # we didn't learn the remotes so they are sent to the UU-fwd + # + for l in learnt: + p = (Ether(src=ep.mac, dst=l['mac']) / + Dot1Q(vlan=11) / + IP(dst=l['ip'], src=ep.ip4.address) / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg0, p * 17, self.pg3) + + for rx in rxs: + self.assertEqual(rx[IP].src, self.pg3.local_ip4) + self.assertEqual(rx[IP].dst, self.pg3.remote_ip4) + self.assertEqual(rx[UDP].dport, 48879) + # the UDP source port is a random value for hashing + self.assertEqual(rx[VXLAN].gpid, 220) + self.assertEqual(rx[VXLAN].vni, 116) + self.assertTrue(rx[VXLAN].flags.G) + self.assertTrue(rx[VXLAN].flags.Instance) + self.assertFalse(rx[VXLAN].gpflags.A) + self.assertFalse(rx[VXLAN].gpflags.D) + + self.pg2.unconfig_ip4() + self.pg3.unconfig_ip4() + def test_gbp_learn_l3(self): """ GBP L3 Endpoint Learning """ diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py index 1adcc1ba24b..9f7968bbbb7 100644 --- a/test/vpp_papi_provider.py +++ b/test/vpp_papi_provider.py @@ -3537,13 +3537,14 @@ class VppPapiProvider(object): """ GBP endpoint group Dump """ return self.api(self.papi.gbp_endpoint_group_dump, {}) - def gbp_bridge_domain_add(self, bd_id, + def gbp_bridge_domain_add(self, bd_id, flags, bvi_sw_if_index, uu_fwd_sw_if_index): """ GBP bridge-domain Add """ return self.api(self.papi.gbp_bridge_domain_add, {'bd': { + 'flags': flags, 'bvi_sw_if_index': bvi_sw_if_index, 'uu_fwd_sw_if_index': uu_fwd_sw_if_index, 'bd_id': bd_id |