X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_gbp.py;h=1eedf54f433e41961f4952ca5631536093fe0281;hb=4dd4cf4f9;hp=a45b2f845b8bce7b12dc4aad8e48aba3e7a75e9e;hpb=93cc3ee3b3a9c9224a1446625882205f3282a949;p=vpp.git diff --git a/test/test_gbp.py b/test/test_gbp.py index a45b2f845b8..1eedf54f433 100644 --- a/test/test_gbp.py +++ b/test/test_gbp.py @@ -1,39 +1,39 @@ #!/usr/bin/env python +from socket import AF_INET, AF_INET6 import unittest -from framework import VppTestCase, VppTestRunner -from vpp_object import VppObject -from vpp_neighbor import VppNeighbor -from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, \ - VppIpInterfaceAddress, VppIpInterfaceBind, find_route -from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort, \ - VppBridgeDomainArpEntry, VppL2FibEntry, find_bridge_domain_port -from vpp_vxlan_gbp_tunnel import * - -from vpp_ip import * -from vpp_mac import * -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.inet import IP, UDP +from scapy.layers.l2 import Ether, ARP, Dot1Q +from scapy.layers.inet import IP, UDP, ICMP from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr, \ ICMPv6ND_NA from scapy.utils6 import in6_getnsma, in6_getnsmac from scapy.layers.vxlan import VXLAN - -from socket import AF_INET, AF_INET6 +from scapy.data import ETH_P_IP, ETH_P_IPV6 from scapy.utils import inet_pton, inet_ntop -from util import mactobinary + +from framework import VppTestCase, VppTestRunner +from vpp_object import VppObject +from vpp_interface import VppInterface +from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, \ + VppIpInterfaceAddress, VppIpInterfaceBind, find_route +from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort, \ + VppBridgeDomainArpEntry, VppL2FibEntry, find_bridge_domain_port, VppL2Vtr +from vpp_sub_interface import VppDot1QSubint +from vpp_ip import VppIpAddress, VppIpPrefix +from vpp_papi import VppEnum, MACAddress +from vpp_papi_provider import L2_VTR_OP +from vpp_vxlan_gbp_tunnel import find_vxlan_gbp_tunnel, INDEX_INVALID, \ + VppVxlanGbpTunnel +from vpp_neighbor import VppNeighbor def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None): if ip: vip = VppIpAddress(ip) if mac: - vmac = VppMacAddress(mac) + vmac = MACAddress(mac) eps = test.vapi.gbp_endpoint_dump() @@ -46,7 +46,7 @@ def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None): if vip == eip: return True if mac: - if vmac == ep.endpoint.mac: + if vmac.packed == ep.endpoint.mac: return True return False @@ -64,17 +64,9 @@ class VppGbpEndpoint(VppObject): GBP Endpoint """ - @property - def bin_mac(self): - return self.vmac.bytes - @property def mac(self): - return self.vmac.address - - @property - def mac(self): - return self.itf.remote_mac + return str(self.vmac) @property def ip4(self): @@ -116,9 +108,9 @@ class VppGbpEndpoint(VppObject): self._fip6 = VppIpAddress(fip6) if mac: - self.vmac = VppMacAddress(self.itf.remote_mac) + self.vmac = MACAddress(self.itf.remote_mac) else: - self.vmac = VppMacAddress("00:00:00:00:00:00") + self.vmac = MACAddress("00:00:00:00:00:00") self.flags = flags self.tun_src = VppIpAddress(tun_src) @@ -128,8 +120,8 @@ class VppGbpEndpoint(VppObject): res = self._test.vapi.gbp_endpoint_add( self.itf.sw_if_index, [self.ip4.encode(), self.ip6.encode()], - self.vmac.encode(), - self.epg.epg, + self.vmac.packed, + self.epg.sclass, self.flags, self.tun_src.encode(), self.tun_dst.encode()) @@ -146,7 +138,7 @@ class VppGbpEndpoint(VppObject): return "gbp-endpoint:[%d==%d:%s:%d]" % (self.handle, self.itf.sw_if_index, self.ip4.address, - self.epg.epg) + self.epg.sclass) def query_vpp_config(self): return find_gbp_endpoint(self._test, @@ -169,7 +161,7 @@ class VppGbpRecirc(VppObject): self._test.vapi.gbp_recirc_add_del( 1, self.recirc.sw_if_index, - self.epg.epg, + self.epg.sclass, self.is_ext) self._test.registry.register(self, self._test.logger) @@ -177,7 +169,7 @@ class VppGbpRecirc(VppObject): self._test.vapi.gbp_recirc_add_del( 0, self.recirc.sw_if_index, - self.epg.epg, + self.epg.sclass, self.is_ext) def __str__(self): @@ -194,18 +186,58 @@ class VppGbpRecirc(VppObject): return False +class VppGbpExtItf(VppObject): + """ + GBP ExtItfulation Interface + """ + + def __init__(self, test, itf, bd, rd): + self._test = test + self.itf = itf + self.bd = bd + self.rd = rd + + def add_vpp_config(self): + self._test.vapi.gbp_ext_itf_add_del( + 1, + self.itf.sw_if_index, + self.bd.bd_id, + self.rd.rd_id) + self._test.registry.register(self, self._test.logger) + + def remove_vpp_config(self): + self._test.vapi.gbp_ext_itf_add_del( + 0, + self.itf.sw_if_index, + self.bd.bd_id, + self.rd.rd_id) + + def __str__(self): + return self.object_id() + + def object_id(self): + return "gbp-ext-itf:[%d]" % (self.itf.sw_if_index) + + def query_vpp_config(self): + rs = self._test.vapi.gbp_ext_itf_dump() + for r in rs: + if r.ext_itf.sw_if_index == self.itf.sw_if_index: + return True + return False + + class VppGbpSubnet(VppObject): """ GBP Subnet """ def __init__(self, test, rd, address, address_len, - type, sw_if_index=None, epg=None): + type, sw_if_index=None, sclass=None): self._test = test self.rd_id = rd.rd_id self.prefix = VppIpPrefix(address, address_len) self.type = type self.sw_if_index = sw_if_index - self.epg = epg + self.sclass = sclass def add_vpp_config(self): self._test.vapi.gbp_subnet_add_del( @@ -214,7 +246,7 @@ class VppGbpSubnet(VppObject): self.prefix.encode(), self.type, sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff, - epg_id=self.epg if self.epg else 0xffff) + sclass=self.sclass if self.sclass else 0xffff) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): @@ -240,44 +272,58 @@ class VppGbpSubnet(VppObject): return False +class VppGbpEndpointRetention(object): + def __init__(self, remote_ep_timeout=0xffffffff): + self.remote_ep_timeout = remote_ep_timeout + + def encode(self): + return {'remote_ep_timeout': self.remote_ep_timeout} + + class VppGbpEndpointGroup(VppObject): """ GBP Endpoint Group """ - def __init__(self, test, epg, rd, bd, uplink, - bvi, bvi_ip4, bvi_ip6=None): + def __init__(self, test, vnid, sclass, rd, bd, uplink, + bvi, bvi_ip4, bvi_ip6=None, + retention=VppGbpEndpointRetention()): self._test = test self.uplink = uplink self.bvi = bvi self.bvi_ip4 = VppIpAddress(bvi_ip4) self.bvi_ip6 = VppIpAddress(bvi_ip6) - self.epg = epg + self.vnid = vnid self.bd = bd self.rd = rd + self.sclass = sclass + if 0 == self.sclass: + self.sclass = 0xffff + self.retention = retention def add_vpp_config(self): self._test.vapi.gbp_endpoint_group_add( - self.epg, + self.vnid, + self.sclass, self.bd.bd.bd_id, self.rd.rd_id, - self.uplink.sw_if_index if self.uplink else INDEX_INVALID) + self.uplink.sw_if_index if self.uplink else INDEX_INVALID, + self.retention.encode()) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): - self._test.vapi.gbp_endpoint_group_del( - self.epg) + self._test.vapi.gbp_endpoint_group_del(self.sclass) def __str__(self): return self.object_id() def object_id(self): - return "gbp-endpoint-group:[%d]" % (self.epg) + return "gbp-endpoint-group:[%d]" % (self.vnid) def query_vpp_config(self): epgs = self._test.vapi.gbp_endpoint_group_dump() for epg in epgs: - if epg.epg.epg_id == self.epg: + if epg.epg.vnid == self.vnid: return True return False @@ -287,17 +333,27 @@ class VppGbpBridgeDomain(VppObject): GBP Bridge Domain """ - def __init__(self, test, bd, bvi, uu_flood=None): + def __init__(self, test, bd, bvi, uu_fwd=None, + bm_flood=None, learn=True): self._test = test self.bvi = bvi - self.uu_flood = uu_flood + self.uu_fwd = uu_fwd + self.bm_flood = bm_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.uu_fwd.sw_if_index if self.uu_fwd else INDEX_INVALID, + self.bm_flood.sw_if_index if self.bm_flood else INDEX_INVALID) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): @@ -356,45 +412,90 @@ class VppGbpRouteDomain(VppObject): return False +class VppGbpContractNextHop(): + def __init__(self, mac, bd, ip, rd): + self.mac = mac + self.ip = ip + self.bd = bd + self.rd = rd + + def encode(self): + return {'ip': self.ip.encode(), + 'mac': self.mac.packed, + 'bd_id': self.bd.bd.bd_id, + 'rd_id': self.rd.rd_id} + + +class VppGbpContractRule(): + def __init__(self, action, hash_mode, nhs=[]): + self.action = action + self.hash_mode = hash_mode + self.nhs = nhs + + def encode(self): + nhs = [] + for nh in self.nhs: + nhs.append(nh.encode()) + while len(nhs) < 8: + nhs.append({}) + return {'action': self.action, + 'nh_set': { + 'hash_mode': self.hash_mode, + 'n_nhs': len(self.nhs), + 'nhs': nhs}} + + class VppGbpContract(VppObject): """ GBP Contract """ - def __init__(self, test, src_epg, dst_epg, acl_index): + def __init__(self, test, sclass, dclass, acl_index, + rules, allowed_ethertypes): self._test = test self.acl_index = acl_index - self.src_epg = src_epg - self.dst_epg = dst_epg + self.sclass = sclass + self.dclass = dclass + self.rules = rules + self.allowed_ethertypes = allowed_ethertypes + while (len(self.allowed_ethertypes) < 16): + self.allowed_ethertypes.append(0) def add_vpp_config(self): + rules = [] + for r in self.rules: + rules.append(r.encode()) self._test.vapi.gbp_contract_add_del( 1, - self.src_epg, - self.dst_epg, - self.acl_index) + self.sclass, + self.dclass, + self.acl_index, + rules, + self.allowed_ethertypes) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_contract_add_del( 0, - self.src_epg, - self.dst_epg, - self.acl_index) + self.sclass, + self.dclass, + self.acl_index, + [], + self.allowed_ethertypes) def __str__(self): return self.object_id() def object_id(self): - return "gbp-contract:[%d:%s:%d]" % (self.src_epg, - self.dst_epg, + return "gbp-contract:[%d:%s:%d]" % (self.sclass, + self.dclass, self.acl_index) def query_vpp_config(self): cs = self._test.vapi.gbp_contract_dump() for c in cs: - if c.contract.src_epg == self.src_epg \ - and c.contract.dst_epg == self.dst_epg: + if c.contract.sclass == self.sclass \ + and c.contract.dclass == self.dclass: return True return False @@ -404,18 +505,20 @@ class VppGbpVxlanTunnel(VppInterface): GBP VXLAN tunnel """ - def __init__(self, test, vni, bd_rd_id, mode): + def __init__(self, test, vni, bd_rd_id, mode, src): super(VppGbpVxlanTunnel, self).__init__(test) self._test = test self.vni = vni self.bd_rd_id = bd_rd_id self.mode = mode + self.src = src def add_vpp_config(self): r = self._test.vapi.gbp_vxlan_tunnel_add( self.vni, self.bd_rd_id, - self.mode) + self.mode, + self.src) self.set_sw_if_index(r.sw_if_index) self._test.registry.register(self, self._test.logger) @@ -426,7 +529,7 @@ class VppGbpVxlanTunnel(VppInterface): return self.object_id() def object_id(self): - return "gbp-vxlan:%d" % (self.vni) + return "gbp-vxlan:%d" % (self.sw_if_index) def query_vpp_config(self): return find_gbp_vxlan(self._test, self.vni) @@ -442,8 +545,8 @@ class VppGbpAcl(VppObject): self.acl_index = 4294967295 def create_rule(self, is_ipv6=0, permit_deny=0, proto=-1, - s_prefix=0, s_ip='\x00\x00\x00\x00', sport_from=0, - sport_to=65535, d_prefix=0, d_ip='\x00\x00\x00\x00', + s_prefix=0, s_ip=b'\x00\x00\x00\x00', sport_from=0, + sport_to=65535, d_prefix=0, d_ip=b'\x00\x00\x00\x00', dport_from=0, dport_to=65535): if proto == -1 or proto == 0: sport_to = 0 @@ -466,7 +569,7 @@ class VppGbpAcl(VppObject): reply = self._test.vapi.acl_add_replace(self.acl_index, r=rules, - tag='GBPTest') + tag=b'GBPTest') self.acl_index = reply.acl_index return self.acl_index @@ -496,7 +599,7 @@ class TestGBP(VppTestCase): self.create_pg_interfaces(range(9)) self.create_loopback_interfaces(8) - self.router_mac = VppMacAddress("00:11:22:33:44:55") + self.router_mac = MACAddress("00:11:22:33:44:55") for i in self.pg_interfaces: i.admin_up() @@ -583,7 +686,7 @@ class TestGBP(VppTestCase): rx = self.send_and_expect(src, tx, dst) for r in rx: - self.assertEqual(r[Ether].src, self.router_mac.address) + self.assertEqual(r[Ether].src, str(self.router_mac)) self.assertEqual(r[Ether].dst, dst.remote_mac) self.assertEqual(r[IP].dst, dst_ip) self.assertEqual(r[IP].src, src_ip) @@ -593,7 +696,7 @@ class TestGBP(VppTestCase): rx = self.send_and_expect(src, tx, dst) for r in rx: - self.assertEqual(r[Ether].src, self.router_mac.address) + self.assertEqual(r[Ether].src, str(self.router_mac)) self.assertEqual(r[Ether].dst, dst.remote_mac) self.assertEqual(r[IPv6].dst, dst_ip) self.assertEqual(r[IPv6].src, src_ip) @@ -602,6 +705,8 @@ class TestGBP(VppTestCase): def test_gbp(self): """ Group Based Policy """ + ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t + # # Bridge Domains # @@ -643,36 +748,26 @@ class TestGBP(VppTestCase): # 3 EPGs, 2 of which share a BD. # 2 NAT EPGs, one for floating-IP subnets, the other for internet # - epgs = [VppGbpEndpointGroup(self, 220, rd0, gbd1, self.pg4, - self.loop0, - "10.0.0.128", - "2001:10::128"), - VppGbpEndpointGroup(self, 221, rd0, gbd1, self.pg5, - self.loop0, - "10.0.1.128", - "2001:10:1::128"), - VppGbpEndpointGroup(self, 222, rd0, gbd2, self.pg6, - self.loop1, - "10.0.2.128", - "2001:10:2::128"), - VppGbpEndpointGroup(self, 333, rd20, gbd20, self.pg7, - self.loop2, - "11.0.0.128", - "3001::128"), - VppGbpEndpointGroup(self, 444, rd20, gbd20, self.pg8, - self.loop2, - "11.0.0.129", - "3001::129")] - recircs = [VppGbpRecirc(self, epgs[0], - self.loop3), - VppGbpRecirc(self, epgs[1], - self.loop4), - VppGbpRecirc(self, epgs[2], - self.loop5), - VppGbpRecirc(self, epgs[3], - self.loop6, is_ext=True), - VppGbpRecirc(self, epgs[4], - self.loop7, is_ext=True)] + epgs = [VppGbpEndpointGroup(self, 220, 1220, rd0, gbd1, + self.pg4, self.loop0, + "10.0.0.128", "2001:10::128"), + VppGbpEndpointGroup(self, 221, 1221, rd0, gbd1, + self.pg5, self.loop0, + "10.0.1.128", "2001:10:1::128"), + VppGbpEndpointGroup(self, 222, 1222, rd0, gbd2, + self.pg6, self.loop1, + "10.0.2.128", "2001:10:2::128"), + VppGbpEndpointGroup(self, 333, 1333, rd20, gbd20, + self.pg7, self.loop2, + "11.0.0.128", "3001::128"), + VppGbpEndpointGroup(self, 444, 1444, rd20, gbd20, + self.pg8, self.loop2, + "11.0.0.129", "3001::129")] + recircs = [VppGbpRecirc(self, epgs[0], self.loop3), + VppGbpRecirc(self, epgs[1], self.loop4), + VppGbpRecirc(self, epgs[2], self.loop5), + VppGbpRecirc(self, epgs[3], self.loop6, is_ext=True), + VppGbpRecirc(self, epgs[4], self.loop7, is_ext=True)] epg_nat = epgs[3] recirc_nat = recircs[3] @@ -707,7 +802,7 @@ class TestGBP(VppTestCase): VppIpInterfaceBind(self, epg.bvi, epg.rd.t6).add_vpp_config() self.vapi.sw_interface_set_mac_address( epg.bvi.sw_if_index, - self.router_mac.bytes) + self.router_mac.packed) # The BVIs are NAT inside interfaces self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index, @@ -728,10 +823,10 @@ class TestGBP(VppTestCase): # add the BD ARP termination entry for BVI IP epg.bd_arp_ip4 = VppBridgeDomainArpEntry(self, epg.bd.bd, - self.router_mac.address, + str(self.router_mac), epg.bvi_ip4) epg.bd_arp_ip6 = VppBridgeDomainArpEntry(self, epg.bd.bd, - self.router_mac.address, + str(self.router_mac), epg.bvi_ip6) epg.bd_arp_ip4.add_vpp_config() epg.bd_arp_ip6.add_vpp_config() @@ -746,8 +841,6 @@ class TestGBP(VppTestCase): VppIpInterfaceBind(self, recirc.recirc, recirc.epg.rd.t6).add_vpp_config() - self.vapi.sw_interface_set_l2_emulation( - recirc.recirc.sw_if_index) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, @@ -889,13 +982,13 @@ class TestGBP(VppTestCase): # packets to non-local L3 destinations dropped # pkt_intra_epg_220_ip4 = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IP(src=eps[0].ip4.address, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IP(src=eps[0].ip4.address, dst="10.0.1.99") / UDP(sport=1234, dport=1234) / @@ -904,7 +997,7 @@ class TestGBP(VppTestCase): self.send_and_assert_no_replies(self.pg0, pkt_intra_epg_220_ip4 * 65) pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IPv6(src=eps[0].ip6.address, dst="2001:10::99") / UDP(sport=1234, dport=1234) / @@ -1032,7 +1125,7 @@ class TestGBP(VppTestCase): UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IP(src=eps[0].ip4.address, dst=eps[3].ip4.address) / UDP(sport=1234, dport=1234) / @@ -1050,7 +1143,15 @@ class TestGBP(VppTestCase): rule = acl.create_rule(permit_deny=1, proto=17) rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17) acl_index = acl.add_vpp_config([rule, rule2]) - c1 = VppGbpContract(self, 220, 221, acl_index) + c1 = VppGbpContract( + self, epgs[0].sclass, epgs[1].sclass, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c1.add_vpp_config() self.send_and_expect_bridged(eps[0].itf, @@ -1062,7 +1163,15 @@ class TestGBP(VppTestCase): # # contract for the return direction # - c2 = VppGbpContract(self, 221, 220, acl_index) + c2 = VppGbpContract( + self, epgs[1].sclass, epgs[0].sclass, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c2.add_vpp_config() self.send_and_expect_bridged(eps[0].itf, @@ -1072,6 +1181,15 @@ class TestGBP(VppTestCase): pkt_inter_epg_221_to_220 * 65, eps[0].itf) + # + # the contract does not allow non-IP + # + pkt_non_ip_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac, + dst=self.pg2.remote_mac) / + ARP()) + self.send_and_assert_no_replies(eps[0].itf, + pkt_non_ip_inter_epg_220_to_221 * 17) + # # check that inter group is still disabled for the groups # not in the contract. @@ -1082,7 +1200,15 @@ class TestGBP(VppTestCase): # # A uni-directional contract from EPG 220 -> 222 'L3 routed' # - c3 = VppGbpContract(self, 220, 222, acl_index) + c3 = VppGbpContract( + self, epgs[0].sclass, epgs[2].sclass, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c3.add_vpp_config() self.logger.info(self.vapi.cli("sh gbp contract")) @@ -1090,7 +1216,7 @@ class TestGBP(VppTestCase): self.send_and_expect_routed(eps[0].itf, pkt_inter_epg_220_to_222 * 65, eps[3].itf, - self.router_mac.address) + str(self.router_mac)) # # remove both contracts, traffic stops in both directions @@ -1117,33 +1243,33 @@ class TestGBP(VppTestCase): self, rd0, "0.0.0.0", 0, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=recirc_nat.recirc.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) se2 = VppGbpSubnet( self, rd0, "11.0.0.0", 8, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=recirc_nat.recirc.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) se16 = VppGbpSubnet( self, rd0, "::", 0, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=recirc_nat.recirc.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) # in the NAT RD an external subnet via the NAT EPG's uplink se3 = VppGbpSubnet( self, rd20, "0.0.0.0", 0, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=epg_nat.uplink.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) se36 = VppGbpSubnet( self, rd20, "::", 0, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=epg_nat.uplink.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) se4 = VppGbpSubnet( self, rd20, "11.0.0.0", 8, VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL, sw_if_index=epg_nat.uplink.sw_if_index, - epg=epg_nat.epg) + sclass=epg_nat.sclass) se1.add_vpp_config() se2.add_vpp_config() se16.add_vpp_config() @@ -1161,7 +1287,7 @@ class TestGBP(VppTestCase): # From an EP to an outside addess: IN2OUT # pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IP(src=eps[0].ip4.address, dst="1.1.1.1") / UDP(sport=1234, dport=1234) / @@ -1179,7 +1305,15 @@ class TestGBP(VppTestCase): dport_from=1234, dport_to=1234) acl_index2 = acl2.add_vpp_config([rule, rule2]) - c4 = VppGbpContract(self, 220, 333, acl_index2) + c4 = VppGbpContract( + self, epgs[0].sclass, epgs[3].sclass, acl_index2, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c4.add_vpp_config() self.send_and_expect_natted(eps[0].itf, @@ -1188,7 +1322,7 @@ class TestGBP(VppTestCase): eps[0].fip4.address) pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IPv6(src=eps[0].ip6.address, dst="6001::1") / UDP(sport=1234, dport=1234) / @@ -1202,7 +1336,7 @@ class TestGBP(VppTestCase): # # From a global address to an EP: OUT2IN # - pkt_inter_epg_220_from_global = (Ether(src=self.router_mac.address, + pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac), dst=self.pg0.remote_mac) / IP(dst=eps[0].fip4.address, src="1.1.1.1") / @@ -1212,7 +1346,15 @@ class TestGBP(VppTestCase): self.send_and_assert_no_replies(self.pg7, pkt_inter_epg_220_from_global * 65) - c5 = VppGbpContract(self, 333, 220, acl_index2) + c5 = VppGbpContract( + self, epgs[3].sclass, epgs[0].sclass, acl_index2, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c5.add_vpp_config() self.send_and_expect_unnatted(self.pg7, @@ -1220,7 +1362,7 @@ class TestGBP(VppTestCase): eps[0].itf, eps[0].ip4.address) - pkt_inter_epg_220_from_global = (Ether(src=self.router_mac.address, + pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac), dst=self.pg0.remote_mac) / IPv6(dst=eps[0].fip6.address, src="6001::1") / @@ -1237,7 +1379,7 @@ class TestGBP(VppTestCase): # IN2OUT2IN # pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IP(src=eps[0].ip4.address, dst=eps[1].fip4.address) / UDP(sport=1234, dport=1234) / @@ -1250,7 +1392,7 @@ class TestGBP(VppTestCase): eps[1].ip4.address) pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, - dst=self.router_mac.address) / + dst=str(self.router_mac)) / IPv6(src=eps[0].ip6.address, dst=eps[1].fip6.address) / UDP(sport=1234, dport=1234) / @@ -1288,8 +1430,6 @@ class TestGBP(VppTestCase): is_add=0) for recirc in recircs: - self.vapi.sw_interface_set_l2_emulation( - recirc.recirc.sw_if_index, enable=0) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, @@ -1299,9 +1439,20 @@ class TestGBP(VppTestCase): is_inside=0, is_add=0) + def wait_for_ep_timeout(self, sw_if_index=None, ip=None, mac=None, + n_tries=100, s_time=1): + while (n_tries): + if not find_gbp_endpoint(self, sw_if_index, ip, mac): + return True + n_tries = n_tries - 1 + self.sleep(s_time) + self.assertFalse(find_gbp_endpoint(self, sw_if_index, ip, mac)) + return False + def test_gbp_learn_l2(self): """ GBP L2 Endpoint Learning """ + ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t learnt = [{'mac': '00:00:11:11:11:01', 'ip': '10.0.0.1', 'ip6': '2001:10::2'}, @@ -1309,12 +1460,6 @@ class TestGBP(VppTestCase): '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 # @@ -1340,12 +1485,20 @@ class TestGBP(VppTestCase): self.pg4.config_ip4() self.pg4.resolve_arp() + # + # Add a mcast destination VXLAN-GBP tunnel for B&M traffic + # + tun_bm = VppVxlanGbpTunnel(self, self.pg4.local_ip4, + "239.1.1.1", 88, + mcast_itf=self.pg4) + tun_bm.add_vpp_config() + # # a GBP bridge domain with a BVI and a UU-flood interface # bd1 = VppBridgeDomain(self, 1) bd1.add_vpp_config() - gbd1 = VppGbpBridgeDomain(self, bd1, self.loop0, self.pg3) + gbd1 = VppGbpBridgeDomain(self, bd1, self.loop0, self.pg3, tun_bm) gbd1.add_vpp_config() self.logger.info(self.vapi.cli("sh bridge 1 detail")) @@ -1358,15 +1511,17 @@ class TestGBP(VppTestCase): # # The Endpoint-group in which we are learning endpoints # - epg_220 = VppGbpEndpointGroup(self, 220, rd1, gbd1, + epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1, None, self.loop0, "10.0.0.128", - "2001:10::128") + "2001:10::128", + VppGbpEndpointRetention(2)) epg_220.add_vpp_config() - epg_330 = VppGbpEndpointGroup(self, 330, rd1, gbd1, + epg_330 = VppGbpEndpointGroup(self, 330, 113, rd1, gbd1, None, self.loop1, "10.0.1.128", - "2001:11::128") + "2001:11::128", + VppGbpEndpointRetention(2)) epg_330.add_vpp_config() # @@ -1375,7 +1530,8 @@ class TestGBP(VppTestCase): # vx_tun_l2_1 = VppGbpVxlanTunnel( self, 99, bd1.bd_id, - VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L2) + VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L2, + self.pg2.local_ip4) vx_tun_l2_1.add_vpp_config() # @@ -1417,6 +1573,9 @@ class TestGBP(VppTestCase): # epg is not learnt, becasue the EPG is unknwon self.assertEqual(len(self.vapi.gbp_endpoint_dump()), 1) + # + # Learn new EPs from IP packets + # for ii, l in enumerate(learnt): # a packet with an sclass from a knwon EPG # arriving on an unknown TEP @@ -1425,7 +1584,7 @@ class TestGBP(VppTestCase): 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) / + VXLAN(vni=99, gpid=112, flags=0x88) / Ether(src=l['mac'], dst=ep.mac) / IP(src=l['ip'], dst=ep.ip4.address) / UDP(sport=1234, dport=1234) / @@ -1454,22 +1613,105 @@ class TestGBP(VppTestCase): self.logger.info(self.vapi.cli("show gbp endpoint")) self.logger.info(self.vapi.cli("show gbp vxlan")) - self.logger.info(self.vapi.cli("show vxlan-gbp tunnel")) + self.logger.info(self.vapi.cli("show ip mfib")) # # If we sleep for the threshold time, the learnt endpoints should # age out # - self.sleep(2) for l in learnt: - self.assertFalse(find_gbp_endpoint(self, - tep1_sw_if_index, - mac=l['mac'])) + self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, + mac=l['mac']) + + # + # Learn new EPs from GARP packets received on the BD's mcast tunnel + # + 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="239.1.1.1") / + UDP(sport=1234, dport=48879) / + VXLAN(vni=88, gpid=112, flags=0x88) / + Ether(src=l['mac'], dst="ff:ff:ff:ff:ff:ff") / + ARP(op="who-has", + psrc=l['ip'], pdst=l['ip'], + hwsrc=l['mac'], hwdst="ff:ff:ff:ff:ff:ff")) + + rx = self.send_and_expect(self.pg4, [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, + 99) + self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index) + + # + # the EP is learnt via the learnt TEP + # both from its MAC and its IP + # + self.assertTrue(find_gbp_endpoint(self, + vx_tun_l2_1.sw_if_index, + mac=l['mac'])) + self.assertTrue(find_gbp_endpoint(self, + vx_tun_l2_1.sw_if_index, + ip=l['ip'])) + + # + # wait for the learnt endpoints to age out + # + for l in learnt: + self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, + mac=l['mac']) + + # + # Learn new EPs from L2 packets + # + 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=112, flags=0x88) / + Ether(src=l['mac'], dst=ep.mac) / + 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, + 99) + self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index) + + # + # the EP is learnt via the learnt TEP + # both from its MAC and its IP + # + self.assertTrue(find_gbp_endpoint(self, + vx_tun_l2_1.sw_if_index, + mac=l['mac'])) self.logger.info(self.vapi.cli("show gbp endpoint")) self.logger.info(self.vapi.cli("show gbp vxlan")) self.logger.info(self.vapi.cli("show vxlan-gbp tunnel")) + # + # wait for the learnt endpoints to age out + # + for l in learnt: + self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, + mac=l['mac']) + # # repeat. the do not learn bit is set so the EPs are not learnt # @@ -1480,7 +1722,7 @@ class TestGBP(VppTestCase): 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, gpflags="D") / + VXLAN(vni=99, gpid=112, flags=0x88, gpflags="D") / Ether(src=l['mac'], dst=ep.mac) / IP(src=l['ip'], dst=ep.ip4.address) / UDP(sport=1234, dport=1234) / @@ -1503,7 +1745,7 @@ class TestGBP(VppTestCase): 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) / + VXLAN(vni=99, gpid=112, flags=0x88) / Ether(src=l['mac'], dst=ep.mac) / IP(src=l['ip'], dst=ep.ip4.address) / UDP(sport=1234, dport=1234) / @@ -1532,18 +1774,16 @@ class TestGBP(VppTestCase): 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, 220) + self.assertEqual(rx[VXLAN].gpid, 112) self.assertEqual(rx[VXLAN].vni, 99) self.assertTrue(rx[VXLAN].flags.G) self.assertTrue(rx[VXLAN].flags.Instance) self.assertTrue(rx[VXLAN].gpflags.A) self.assertFalse(rx[VXLAN].gpflags.D) - self.sleep(2) for l in learnt: - self.assertFalse(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) + self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, + mac=l['mac']) # # repeat in the other EPG @@ -1557,7 +1797,7 @@ class TestGBP(VppTestCase): IP(src=self.pg2.remote_hosts[1].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=99, gpid=330, flags=0x88, gpflags='A') / + VXLAN(vni=99, gpid=113, flags=0x88, gpflags='A') / Ether(src=l['mac'], dst=ep.mac) / IP(src=l['ip'], dst=ep.ip4.address) / UDP(sport=1234, dport=1234) / @@ -1571,16 +1811,14 @@ class TestGBP(VppTestCase): # # static EP cannot reach the learnt EPs since there is no contract + # only test 1 EP as the others could timeout # - self.logger.info(self.vapi.cli("show gbp endpoint")) - self.logger.info(self.vapi.cli("show l2fib all")) - for l in learnt: - p = (Ether(src=ep.mac, dst=l['mac']) / - IP(dst=l['ip'], src=ep.ip4.address) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p = (Ether(src=ep.mac, dst=l['mac']) / + IP(dst=learnt[0]['ip'], src=ep.ip4.address) / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) - self.send_and_assert_no_replies(self.pg0, [p], timeout=0.2) + self.send_and_assert_no_replies(self.pg0, [p]) # # refresh the entries after the check for no replies above @@ -1592,7 +1830,7 @@ class TestGBP(VppTestCase): IP(src=self.pg2.remote_hosts[1].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=99, gpid=330, flags=0x88, gpflags='A') / + VXLAN(vni=99, gpid=113, flags=0x88, gpflags='A') / Ether(src=l['mac'], dst=ep.mac) / IP(src=l['ip'], dst=ep.ip4.address) / UDP(sport=1234, dport=1234) / @@ -1611,7 +1849,15 @@ class TestGBP(VppTestCase): rule = acl.create_rule(permit_deny=1, proto=17) rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17) acl_index = acl.add_vpp_config([rule, rule2]) - c1 = VppGbpContract(self, 220, 330, acl_index) + c1 = VppGbpContract( + self, epg_220.sclass, epg_330.sclass, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) c1.add_vpp_config() for l in learnt: @@ -1631,18 +1877,7 @@ class TestGBP(VppTestCase): IP(dst="10.0.0.133", src=ep.ip4.address) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) - rxs = self.send_and_expect(ep.itf, [p_uu], gbd1.uu_flood) - - # - # Add a mcast destination VXLAN-GBP tunnel for B&M traffic - # - tun_bm = VppVxlanGbpTunnel(self, self.pg4.local_ip4, - "239.1.1.1", 88, - mcast_itf=self.pg4) - tun_bm.add_vpp_config() - bp_bm = VppBridgeDomainPort(self, bd1, tun_bm, - port_type=L2_PORT_TYPE.NORMAL) - bp_bm.add_vpp_config() + rxs = self.send_and_expect(ep.itf, [p_uu], gbd1.uu_fwd) self.logger.info(self.vapi.cli("sh bridge 1 detail")) @@ -1652,6 +1887,18 @@ class TestGBP(VppTestCase): Raw('\xa5' * 100)) rxs = self.send_and_expect_only(ep.itf, [p_bm], tun_bm.mcast_itf) + for rx in rxs: + self.assertEqual(rx[IP].src, self.pg4.local_ip4) + self.assertEqual(rx[IP].dst, "239.1.1.1") + self.assertEqual(rx[UDP].dport, 48879) + # the UDP source port is a random value for hashing + self.assertEqual(rx[VXLAN].gpid, 112) + self.assertEqual(rx[VXLAN].vni, 88) + self.assertTrue(rx[VXLAN].flags.G) + self.assertTrue(rx[VXLAN].flags.Instance) + self.assertFalse(rx[VXLAN].gpflags.A) + self.assertFalse(rx[VXLAN].gpflags.D) + # # Check v6 Endpoints # @@ -1662,7 +1909,7 @@ class TestGBP(VppTestCase): IP(src=self.pg2.remote_hosts[1].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=99, gpid=330, flags=0x88, gpflags='A') / + VXLAN(vni=99, gpid=113, flags=0x88, gpflags='A') / Ether(src=l['mac'], dst=ep.mac) / IPv6(src=l['ip6'], dst=ep.ip6.address) / UDP(sport=1234, dport=1234) / @@ -1682,11 +1929,9 @@ class TestGBP(VppTestCase): # # clean up # - self.sleep(2) for l in learnt: - self.assertFalse(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) + self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, + mac=l['mac']) self.pg2.unconfig_ip4() self.pg3.unconfig_ip4() @@ -1695,56 +1940,30 @@ class TestGBP(VppTestCase): self.logger.info(self.vapi.cli("sh int")) self.logger.info(self.vapi.cli("sh gbp vxlan")) - def test_gbp_learn_l3(self): - """ GBP L3 Endpoint Learning """ - - routed_dst_mac = "00:0c:0c:0c:0c:0c" - routed_src_mac = "00:22:bd:f8:19:ff" + def test_gbp_learn_vlan_l2(self): + """ GBP L2 Endpoint w/ VLANs""" - learnt = [{'mac': '00:00:11:11:11:02', - 'ip': '10.0.1.2', + ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t + learnt = [{'mac': '00:00:11:11:11:01', + 'ip': '10.0.0.1', 'ip6': '2001:10::2'}, - {'mac': '00:00:11:11:11:03', - 'ip': '10.0.1.3', + {'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 # - 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() + gt4 = VppIpTable(self, 1) + gt4.add_vpp_config() + gt6 = VppIpTable(self, 1, is_ip6=True) + gt6.add_vpp_config() - rd1 = VppGbpRouteDomain(self, 2, t4, t6, tun_ip4_uu, tun_ip6_uu) + rd1 = VppGbpRouteDomain(self, 1, gt4, gt6) rd1.add_vpp_config() - self.loop0.set_mac(self.router_mac.address) - - # - # 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 + # Pg2 hosts the vxlan tunnel, hosts on pg2 to act as TEPs # self.pg2.config_ip4() self.pg2.resolve_arp() @@ -1752,35 +1971,222 @@ class TestGBP(VppTestCase): self.pg2.configure_ipv4_neighbors() self.pg3.config_ip4() self.pg3.resolve_arp() - self.pg4.config_ip4() - self.pg4.resolve_arp() + + # + # The EP will be on a vlan sub-interface + # + vlan_11 = VppDot1QSubint(self, self.pg0, 11) + vlan_11.admin_up() + self.vapi.l2_interface_vlan_tag_rewrite( + sw_if_index=vlan_11.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1, + push_dot1q=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, self.pg3) + 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")) - self.logger.info(self.vapi.cli("sh gbp route")) - self.logger.info(self.vapi.cli("show l2fib all")) - # ... 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() + # ... 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, + epg_220 = VppGbpEndpointGroup(self, 220, 441, rd1, gbd1, None, self.loop0, "10.0.0.128", - "2001:10::128") + "2001:10::128", + VppGbpEndpointRetention(2)) + 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, + self.pg2.local_ip4) + 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=441, 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, 441) + 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 """ + + self.vapi.cli("set logging class gbp 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, 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, 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() # @@ -1789,7 +2195,8 @@ class TestGBP(VppTestCase): # vx_tun_l3 = VppGbpVxlanTunnel( self, 101, rd1.rd_id, - VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3) + VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3, + self.pg2.local_ip4) vx_tun_l3.add_vpp_config() # @@ -1813,7 +2220,7 @@ class TestGBP(VppTestCase): IP(src=self.pg2.remote_hosts[1].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=101, gpid=220, flags=0x88) / + 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) / @@ -1850,7 +2257,7 @@ class TestGBP(VppTestCase): 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, 220) + self.assertEqual(rx[VXLAN].gpid, 441) self.assertEqual(rx[VXLAN].vni, 101) self.assertTrue(rx[VXLAN].flags.G) self.assertTrue(rx[VXLAN].flags.Instance) @@ -1864,7 +2271,6 @@ class TestGBP(VppTestCase): self.assertEqual(inner[IP].src, ep.ip4.address) self.assertEqual(inner[IP].dst, l['ip']) - self.sleep(2) for l in learnt: self.assertFalse(find_gbp_endpoint(self, tep1_sw_if_index, @@ -1881,7 +2287,7 @@ class TestGBP(VppTestCase): IP(src=self.pg2.remote_hosts[1].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=101, gpid=220, flags=0x88) / + 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) / @@ -1924,7 +2330,7 @@ class TestGBP(VppTestCase): 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, 220) + self.assertEqual(rx[VXLAN].gpid, 441) self.assertEqual(rx[VXLAN].vni, 101) self.assertTrue(rx[VXLAN].flags.G) self.assertTrue(rx[VXLAN].flags.Instance) @@ -1939,11 +2345,8 @@ class TestGBP(VppTestCase): self.assertEqual(inner[IPv6].dst, l['ip6']) self.logger.info(self.vapi.cli("sh gbp endpoint")) - self.sleep(2) for l in learnt: - self.assertFalse(find_gbp_endpoint(self, - tep1_sw_if_index, - ip=l['ip'])) + self.wait_for_ep_timeout(ip=l['ip']) # # Static sends to unknown EP with no route @@ -1957,7 +2360,7 @@ class TestGBP(VppTestCase): # # Add a route to static EP's v4 and v6 subnet - # packets should be send on the v4/v6 uu=fwd interface resp. + # packets should be sent on the v4/v6 uu=fwd interface resp. # se_10_24 = VppGbpSubnet( self, rd1, "10.0.0.0", 24, @@ -1975,7 +2378,7 @@ class TestGBP(VppTestCase): 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, 220) + self.assertEqual(rx[VXLAN].gpid, 441) self.assertEqual(rx[VXLAN].vni, 114) self.assertTrue(rx[VXLAN].flags.G) self.assertTrue(rx[VXLAN].flags.Instance) @@ -1991,10 +2394,10 @@ class TestGBP(VppTestCase): # 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, + IP(src=self.pg2.remote_hosts[2].ip4, dst=self.pg2.local_ip4) / UDP(sport=1234, dport=48879) / - VXLAN(vni=101, gpid=220, flags=0x88) / + 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) / @@ -2006,7 +2409,7 @@ class TestGBP(VppTestCase): tep1_sw_if_index = find_vxlan_gbp_tunnel( self, self.pg2.local_ip4, - self.pg2.remote_hosts[1].ip4, + self.pg2.remote_hosts[2].ip4, vx_tun_l3.vni) self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index) @@ -2022,7 +2425,7 @@ class TestGBP(VppTestCase): epg_220, None, "10.0.0.88", "11.0.0.88", "2001:10::88", "3001::88", - VppEnum.vl_api_gbp_endpoint_flags_t.REMOTE, + ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE, self.pg2.local_ip4, self.pg2.remote_hosts[1].ip4, mac=None) @@ -2035,7 +2438,7 @@ class TestGBP(VppTestCase): epg_220, None, learnt[0]['ip'], "11.0.0.101", learnt[0]['ip6'], "3001::101", - VppEnum.vl_api_gbp_endpoint_flags_t.REMOTE, + ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE, self.pg2.local_ip4, self.pg2.remote_hosts[1].ip4, mac=None) @@ -2066,7 +2469,7 @@ class TestGBP(VppTestCase): 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, 220) + self.assertEqual(rx[VXLAN].gpid, 441) self.assertEqual(rx[VXLAN].vni, 101) self.assertTrue(rx[VXLAN].flags.G) self.assertTrue(rx[VXLAN].flags.Instance) @@ -2081,27 +2484,56 @@ class TestGBP(VppTestCase): self.assertEqual(inner[IP].dst, ip) # - # remove the API remote EPs, they are now UU-fwd + # 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.logger.info(self.vapi.cli("show gbp endpoint")) + self.assertTrue(find_gbp_endpoint(self, ip=rep_2.ip4.address)) - for ip in ips: - self.assertFalse(find_gbp_endpoint(self, ip=ip)) + 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) - 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)) + self.assertFalse(find_gbp_endpoint(self, ip=rep_88.ip4.address)) - rxs = self.send_and_expect(self.pg0, [p], self.pg4) + 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 stll + # 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) # # shutdown with learnt endpoint present # - self.logger.info(self.vapi.cli("show gbp endpoint-group")) + 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 @@ -2111,6 +2543,1061 @@ class TestGBP(VppTestCase): self.pg3.unconfig_ip4() self.pg4.unconfig_ip4() + def test_gbp_redirect(self): + """ GBP Endpoint Redirect """ + + self.vapi.cli("set logging class gbp 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, 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, self.loop0) + gbd1.add_vpp_config() + + bd2 = VppBridgeDomain(self, 2) + bd2.add_vpp_config() + gbd2 = VppGbpBridgeDomain(self, bd2, 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, self.loop2, bd_uu1, learn=False) + gbd3.add_vpp_config() + bd4 = VppBridgeDomain(self, 4) + bd4.add_vpp_config() + gbd4 = VppGbpBridgeDomain(self, bd4, 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, 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, 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, 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, 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, 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, epg_221.sclass, epg_220.sclass, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [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") + + 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, "2001:10::88") + + # + # test the dst-ip hash mode + # + c5 = VppGbpContract( + self, 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_DST_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_DST_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]) + c5.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, "10.0.0.88") + + rxs = self.send_and_expect(self.pg0, p6[0] * 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, ep1.ip6.address) + self.assertEqual(rx[IPv6].dst, "2001:10::88") + + # + # cleanup + # + self.pg7.unconfig_ip4() + + def test_gbp_l3_out(self): + """ GBP L3 Out """ + + ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t + self.vapi.cli("set logging class gbp debug") + + routed_dst_mac = "00:0c:0c:0c:0c:0c" + routed_src_mac = "00:22:bd:f8:19:ff" + + # + # IP tables + # + t4 = VppIpTable(self, 1) + t4.add_vpp_config() + t6 = VppIpTable(self, 1, True) + t6.add_vpp_config() + + rd1 = VppGbpRouteDomain(self, 2, 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 BUM + # Pg1 some other l3 interface + # + self.pg7.config_ip4() + self.pg7.resolve_arp() + + # + # a multicast vxlan-gbp tunnel for broadcast in the BD + # + tun_bm = VppVxlanGbpTunnel(self, self.pg7.local_ip4, + "239.1.1.1", 88, + mcast_itf=self.pg7) + tun_bm.add_vpp_config() + + # + # a GBP external bridge domains for the EPs + # + bd1 = VppBridgeDomain(self, 1) + bd1.add_vpp_config() + gbd1 = VppGbpBridgeDomain(self, bd1, self.loop0, None, tun_bm) + gbd1.add_vpp_config() + + # + # The Endpoint-groups in which the external endpoints exist + # + epg_220 = VppGbpEndpointGroup(self, 220, 113, rd1, gbd1, + None, gbd1.bvi, + "10.0.0.128", + "2001:10::128", + VppGbpEndpointRetention(2)) + epg_220.add_vpp_config() + + # the BVIs have the subnets applied ... + ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 24) + ip4_addr.add_vpp_config() + ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 64) + ip6_addr.add_vpp_config() + + # ... which are L3-out subnets + l3o_1 = VppGbpSubnet( + self, rd1, "10.0.0.0", 24, + VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, + sclass=113) + l3o_1.add_vpp_config() + + # + # an external interface attached to the outside world and the + # external BD + # + vlan_100 = VppDot1QSubint(self, self.pg0, 100) + vlan_100.admin_up() + VppL2Vtr(self, vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config() + vlan_101 = VppDot1QSubint(self, self.pg0, 101) + vlan_101.admin_up() + VppL2Vtr(self, vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config() + + ext_itf = VppGbpExtItf(self, self.loop0, bd1, rd1) + ext_itf.add_vpp_config() + + # + # an unicast vxlan-gbp for inter-RD traffic + # + 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() + + # + # External Endpoints + # + eep1 = VppGbpEndpoint(self, vlan_100, + epg_220, None, + "10.0.0.1", "11.0.0.1", + "2001:10::1", "3001::1", + ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL) + eep1.add_vpp_config() + eep2 = VppGbpEndpoint(self, vlan_101, + epg_220, None, + "10.0.0.2", "11.0.0.2", + "2001:10::2", "3001::2", + ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL) + eep2.add_vpp_config() + + # + # A remote external endpoint + # + rep = VppGbpEndpoint(self, vx_tun_l3, + epg_220, None, + "10.0.0.101", "11.0.0.101", + "2001:10::101", "3001::101", + ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE, + self.pg7.local_ip4, + self.pg7.remote_ip4, + mac=None) + rep.add_vpp_config() + + # + # ARP packet from External EPs are accpeted and replied to + # + p_arp = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") / + Dot1Q(vlan=100) / + ARP(op="who-has", + psrc=eep1.ip4.address, pdst="10.0.0.128", + hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff")) + rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0) + + # + # packets destined to unknown addresses in the BVI's subnet + # are ARP'd for + # + p4 = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.0.0.1", dst="10.0.0.88") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + p6 = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IPv6(src="2001:10::1", dst="2001:10::88") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg0, p4 * 1, 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, "239.1.1.1") + self.assertEqual(rx[VXLAN].vni, 88) + self.assertTrue(rx[VXLAN].flags.G) + self.assertTrue(rx[VXLAN].flags.Instance) + # policy was applied to the original IP packet + self.assertEqual(rx[VXLAN].gpid, 113) + self.assertTrue(rx[VXLAN].gpflags.A) + self.assertFalse(rx[VXLAN].gpflags.D) + + inner = rx[VXLAN].payload + + self.assertTrue(inner.haslayer(ARP)) + + # + # remote to external + # + 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=113, flags=0x88) / + Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) / + IP(src="10.0.0.101", dst="10.0.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg7, p * 1, self.pg0) + + # + # local EP pings router + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src=eep1.ip4.address, dst="10.0.0.128") / + ICMP(type='echo-request')) + + rxs = self.send_and_expect(self.pg0, p * 1, self.pg0) + + for rx in rxs: + self.assertEqual(rx[Ether].src, str(self.router_mac)) + self.assertEqual(rx[Ether].dst, eep1.mac) + self.assertEqual(rx[Dot1Q].vlan, 100) + + # + # local EP pings other local EP + # + p = (Ether(src=eep1.mac, dst=eep2.mac) / + Dot1Q(vlan=100) / + IP(src=eep1.ip4.address, dst=eep2.ip4.address) / + ICMP(type='echo-request')) + + rxs = self.send_and_expect(self.pg0, p * 1, self.pg0) + + for rx in rxs: + self.assertEqual(rx[Ether].src, eep1.mac) + self.assertEqual(rx[Ether].dst, eep2.mac) + self.assertEqual(rx[Dot1Q].vlan, 101) + + # + # A subnet reachable through the external EP1 + # + ip_220 = VppIpRoute(self, "10.220.0.0", 24, + [VppRoutePath(eep1.ip4.address, + eep1.epg.bvi.sw_if_index)], + table_id=t4.table_id) + ip_220.add_vpp_config() + + l3o_220 = VppGbpSubnet( + self, rd1, "10.220.0.0", 24, + VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, + sclass=4220) + l3o_220.add_vpp_config() + + # + # A subnet reachable through the external EP2 + # + ip_221 = VppIpRoute(self, "10.221.0.0", 24, + [VppRoutePath(eep2.ip4.address, + eep2.epg.bvi.sw_if_index)], + table_id=t4.table_id) + ip_221.add_vpp_config() + + l3o_221 = VppGbpSubnet( + self, rd1, "10.221.0.0", 24, + VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, + sclass=4221) + l3o_221.add_vpp_config() + + # + # ping between hosts in remote subnets + # dropped without a contract + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.220.0.1", dst="10.221.0.1") / + ICMP(type='echo-request')) + + rxs = self.send_and_assert_no_replies(self.pg0, p * 1) + + # + # contract for the external nets to communicate + # + 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]) + + c1 = VppGbpContract( + self, 4220, 4221, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) + c1.add_vpp_config() + + # + # Contracts allowing ext-net 200 to talk with external EPs + # + c2 = VppGbpContract( + self, 4220, 113, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) + c2.add_vpp_config() + c3 = VppGbpContract( + self, 113, 4220, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) + c3.add_vpp_config() + + # + # ping between hosts in remote subnets + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.220.0.1", dst="10.221.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg0, p * 1, self.pg0) + + for rx in rxs: + self.assertEqual(rx[Ether].src, str(self.router_mac)) + self.assertEqual(rx[Ether].dst, eep2.mac) + self.assertEqual(rx[Dot1Q].vlan, 101) + + # we did not learn these external hosts + self.assertFalse(find_gbp_endpoint(self, ip="10.220.0.1")) + self.assertFalse(find_gbp_endpoint(self, ip="10.221.0.1")) + + # + # from remote external EP to local external EP + # + 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=113, flags=0x88) / + Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) / + IP(src="10.0.0.101", dst="10.220.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg7, p * 1, self.pg0) + + # + # ping from an external host to the remote external EP + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.220.0.1", dst=rep.ip4.address) / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg0, p * 1, 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, 444) + self.assertTrue(rx[VXLAN].flags.G) + self.assertTrue(rx[VXLAN].flags.Instance) + # the sclass of the ext-net the packet came from + self.assertEqual(rx[VXLAN].gpid, 4220) + # policy was applied to the original IP packet + self.assertTrue(rx[VXLAN].gpflags.A) + # since it's an external host the reciever should not learn it + self.assertTrue(rx[VXLAN].gpflags.D) + inner = rx[VXLAN].payload + self.assertEqual(inner[IP].src, "10.220.0.1") + self.assertEqual(inner[IP].dst, rep.ip4.address) + + # + # An external subnet reachable via the remote external EP + # + + # + # first the VXLAN-GBP tunnel over which it is reached + # + vx_tun_r = VppVxlanGbpTunnel( + self, self.pg7.local_ip4, + self.pg7.remote_ip4, 445, + mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t. + VXLAN_GBP_API_TUNNEL_MODE_L3)) + vx_tun_r.add_vpp_config() + VppIpInterfaceBind(self, vx_tun_r, t4).add_vpp_config() + + self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel")) + + # + # then the special adj to resolve through on that tunnel + # + n1 = VppNeighbor(self, + vx_tun_r.sw_if_index, + "00:0c:0c:0c:0c:0c", + self.pg7.remote_ip4) + n1.add_vpp_config() + + # + # the route via the adj above + # + ip_222 = VppIpRoute(self, "10.222.0.0", 24, + [VppRoutePath(self.pg7.remote_ip4, + vx_tun_r.sw_if_index)], + table_id=t4.table_id) + ip_222.add_vpp_config() + + l3o_222 = VppGbpSubnet( + self, rd1, "10.222.0.0", 24, + VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, + sclass=4222) + l3o_222.add_vpp_config() + + # + # ping between hosts in local and remote external subnets + # dropped without a contract + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.220.0.1", dst="10.222.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_assert_no_replies(self.pg0, p * 1) + + # + # Add contracts ext-nets for 220 -> 222 + # + c4 = VppGbpContract( + self, 4220, 4222, acl_index, + [VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + []), + VppGbpContractRule( + VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, + [])], + [ETH_P_IP, ETH_P_IPV6]) + c4.add_vpp_config() + + # + # ping from host in local to remote external subnets + # + p = (Ether(src=eep1.mac, dst=str(self.router_mac)) / + Dot1Q(vlan=100) / + IP(src="10.220.0.1", dst="10.222.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg0, p * 3, 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, 445) + self.assertTrue(rx[VXLAN].flags.G) + self.assertTrue(rx[VXLAN].flags.Instance) + # the sclass of the ext-net the packet came from + self.assertEqual(rx[VXLAN].gpid, 4220) + # policy was applied to the original IP packet + self.assertTrue(rx[VXLAN].gpflags.A) + # since it's an external host the reciever should not learn it + self.assertTrue(rx[VXLAN].gpflags.D) + inner = rx[VXLAN].payload + self.assertEqual(inner[Ether].dst, "00:0c:0c:0c:0c:0c") + self.assertEqual(inner[IP].src, "10.220.0.1") + self.assertEqual(inner[IP].dst, "10.222.0.1") + + # + # ping from host in remote to local external subnets + # there's no contract for this, but the A bit is set. + # + 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=445, gpid=4222, flags=0x88, gpflags='A') / + Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) / + IP(src="10.222.0.1", dst="10.220.0.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + rxs = self.send_and_expect(self.pg7, p * 3, self.pg0) + self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1")) + + # + # cleanup + # + self.pg7.unconfig_ip4() + vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)