diff options
Diffstat (limited to 'src/plugins/gbp')
| -rw-r--r-- | src/plugins/gbp/test/test_gbp.py | 5926 |
1 files changed, 0 insertions, 5926 deletions
diff --git a/src/plugins/gbp/test/test_gbp.py b/src/plugins/gbp/test/test_gbp.py deleted file mode 100644 index 21d0770cf66..00000000000 --- a/src/plugins/gbp/test/test_gbp.py +++ /dev/null @@ -1,5926 +0,0 @@ -#!/usr/bin/env python3 -import typing -from socket import AF_INET6, inet_pton, inet_ntop -import unittest -from ipaddress import ip_address, IPv4Network, IPv6Network - -from scapy.packet import Raw -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, - ICMPv6EchoRequest, -) -from scapy.utils6 import in6_getnsma, in6_getnsmac -from scapy.layers.vxlan import VXLAN -from scapy.data import ETH_P_IP, ETH_P_IPV6 - -from framework import tag_fixme_vpp_workers -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, - FibPathProto, - FibPathType, -) -from vpp_l2 import ( - VppBridgeDomain, - VppBridgeDomainPort, - VppBridgeDomainArpEntry, - VppL2FibEntry, - find_bridge_domain_port, - VppL2Vtr, -) -from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint -from vpp_ip import DpoProto, get_dpo_proto -from vpp_papi import VppEnum, MACAddress -from vpp_vxlan_gbp_tunnel import find_vxlan_gbp_tunnel, INDEX_INVALID, \ - VppVxlanGbpTunnel -from vpp_neighbor import VppNeighbor -from vpp_acl import AclRule, VppAcl - -NUM_PKTS = 67 - - -def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None, - tep=None, sclass=None, flags=None): - if ip: - vip = ip - if mac: - vmac = MACAddress(mac) - - eps = test.vapi.gbp_endpoint_dump() - - for ep in eps: - if tep: - src = tep[0] - dst = tep[1] - if src != str(ep.endpoint.tun.src) or \ - dst != str(ep.endpoint.tun.dst): - continue - if sw_if_index: - if ep.endpoint.sw_if_index != sw_if_index: - continue - if sclass: - if ep.endpoint.sclass != sclass: - continue - if flags: - if flags != (flags & ep.endpoint.flags): - continue - if ip: - for eip in ep.endpoint.ips: - if vip == str(eip): - return True - if mac: - if vmac == ep.endpoint.mac: - return True - - return False - - -def find_gbp_vxlan(test: VppTestCase, vni): - ts = test.vapi.gbp_vxlan_tunnel_dump() - for t in ts: - if t.tunnel.vni == vni: - return True - return False - - -class VppGbpEndpoint(VppObject): - """ - GBP Endpoint - """ - - @property - def mac(self): - return str(self.vmac) - - @property - def ip4(self): - return self._ip4 - - @property - def fip4(self): - return self._fip4 - - @property - def ip6(self): - return self._ip6 - - @property - def fip6(self): - return self._fip6 - - @property - def ips(self): - return [self.ip4, self.ip6] - - @property - def fips(self): - return [self.fip4, self.fip6] - - def __init__(self, test, itf, epg, recirc, ip4, fip4, ip6, fip6, - flags=0, - tun_src="0.0.0.0", - tun_dst="0.0.0.0", - mac=True): - self._test = test - self.itf = itf - self.handle = None - self.epg = epg - self.recirc = recirc - - self._ip4 = ip4 - self._fip4 = fip4 - self._ip6 = ip6 - self._fip6 = fip6 - - if mac: - self.vmac = MACAddress(self.itf.remote_mac) - else: - self.vmac = MACAddress("00:00:00:00:00:00") - - self.flags = flags - self.tun_src = tun_src - self.tun_dst = tun_dst - - def encode(self): - ips = [self.ip4, self.ip6] - return { - "sw_if_index": self.itf.sw_if_index, - "ips": ips, - "n_ips": len(ips), - "mac": self.vmac.packed, - "sclass": self.epg.sclass, - "flags": self.flags, - "tun": { - "src": self.tun_src, - "dst": self.tun_dst, - }, - } - - def add_vpp_config(self): - res = self._test.vapi.gbp_endpoint_add( - endpoint=self.encode(), - ) - self.handle = res.handle - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_endpoint_del(handle=self.handle) - - def object_id(self): - return "gbp-endpoint:[%d==%d:%s:%d]" % (self.handle, - self.itf.sw_if_index, - self.ip4, - self.epg.sclass) - - def query_vpp_config(self): - return find_gbp_endpoint(self._test, - self.itf.sw_if_index, - self.ip4) - - -class VppGbpRecirc(VppObject): - """ - GBP Recirculation Interface - """ - - def __init__(self, test, epg, recirc, is_ext=False): - self._test = test - self.recirc = recirc - self.epg = epg - self.is_ext = is_ext - - def encode(self): - return { - "is_ext": self.is_ext, - "sw_if_index": self.recirc.sw_if_index, - "sclass": self.epg.sclass, - } - - def add_vpp_config(self): - self._test.vapi.gbp_recirc_add_del( - 1, - recirc=self.encode(), - ) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_recirc_add_del( - 0, - recirc=self.encode(), - ) - - def object_id(self): - return "gbp-recirc:[%d]" % (self.recirc.sw_if_index) - - def query_vpp_config(self): - rs = self._test.vapi.gbp_recirc_dump() - for r in rs: - if r.recirc.sw_if_index == self.recirc.sw_if_index: - return True - return False - - -class VppGbpExtItf(VppObject): - """ - GBP ExtItfulation Interface - """ - - def __init__(self, test, itf, bd, rd, anon=False): - self._test = test - self.itf = itf - self.bd = bd - self.rd = rd - self.flags = 1 if anon else 0 - - def encode(self): - return { - "sw_if_index": self.itf.sw_if_index, - "bd_id": self.bd.bd_id, - "rd_id": self.rd.rd_id, - "flags": self.flags, - } - - def add_vpp_config(self): - self._test.vapi.gbp_ext_itf_add_del( - 1, - ext_itf=self.encode(), - ) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_ext_itf_add_del( - 0, - ext_itf=self.encode(), - ) - - def object_id(self): - return "gbp-ext-itf:[%d]%s" % (self.itf.sw_if_index, - " [anon]" if self.flags else "") - - 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=0xffffffff, sclass=0xffff): - # TODO: replace hardcoded defaults when vpp_papi supports - # defaults in typedefs - self._test = test - self.rd_id = rd.rd_id - a = ip_address(address) - if 4 == a.version: - self.prefix = IPv4Network("%s/%d" % (address, address_len), - strict=False) - else: - self.prefix = IPv6Network("%s/%d" % (address, address_len), - strict=False) - self.type = type - self.sw_if_index = sw_if_index - self.sclass = sclass - - def encode(self): - return { - "type": self.type, - "sw_if_index": self.sw_if_index, - "sclass": self.sclass, - "prefix": self.prefix, - "rd_id": self.rd_id, - } - - def add_vpp_config(self): - self._test.vapi.gbp_subnet_add_del( - is_add=1, - subnet=self.encode(), - ) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_subnet_add_del( - is_add=0, - subnet=self.encode() - ) - - def object_id(self): - return "gbp-subnet:[%d-%s]" % (self.rd_id, self.prefix) - - def query_vpp_config(self): - ss = self._test.vapi.gbp_subnet_dump() - for s in ss: - if s.subnet.rd_id == self.rd_id and \ - s.subnet.type == self.type and \ - s.subnet.prefix == self.prefix: - return True - 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, 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 = bvi_ip4 - self.bvi_ip6 = bvi_ip6 - self.vnid = vnid - self.bd = bd # VppGbpBridgeDomain - self.rd = rd - self.sclass = sclass - if 0 == self.sclass: - self.sclass = 0xffff - self.retention = retention - - def encode(self) -> dict: - return { - "uplink_sw_if_index": self.uplink.sw_if_index - if self.uplink else INDEX_INVALID, - "bd_id": self.bd.bd.bd_id, - "rd_id": self.rd.rd_id, - "vnid": self.vnid, - "sclass": self.sclass, - "retention": self.retention.encode(), - } - - def add_vpp_config(self): - self._test.vapi.gbp_endpoint_group_add(epg=self.encode()) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_endpoint_group_del(sclass=self.sclass) - - def object_id(self) -> str: - return "gbp-endpoint-group:[%d]" % (self.vnid) - - def query_vpp_config(self) -> bool: - epgs = self._test.vapi.gbp_endpoint_group_dump() - for epg in epgs: - if epg.epg.vnid == self.vnid: - return True - return False - - -class VppGbpBridgeDomain(VppObject): - """ - GBP Bridge Domain - """ - - def __init__(self, test, bd, rd, bvi, - uu_fwd: typing.Optional[VppVxlanGbpTunnel] = None, - bm_flood=None, learn=True, - uu_drop=False, bm_drop=False, - ucast_arp=False): - self._test = test - self.bvi = bvi - self.uu_fwd = uu_fwd - self.bm_flood = bm_flood - self.bd = bd - self.rd = rd - - e = VppEnum.vl_api_gbp_bridge_domain_flags_t - - self.flags = e.GBP_BD_API_FLAG_NONE - if not learn: - self.flags |= e.GBP_BD_API_FLAG_DO_NOT_LEARN - if uu_drop: - self.flags |= e.GBP_BD_API_FLAG_UU_FWD_DROP - if bm_drop: - self.flags |= e.GBP_BD_API_FLAG_MCAST_DROP - if ucast_arp: - self.flags |= e.GBP_BD_API_FLAG_UCAST_ARP - - def encode(self) -> dict: - return { - "flags": self.flags, - "bvi_sw_if_index": self.bvi.sw_if_index, - "uu_fwd_sw_if_index": self.uu_fwd.sw_if_index - if self.uu_fwd else INDEX_INVALID, - "bm_flood_sw_if_index": self.bm_flood.sw_if_index - if self.bm_flood else INDEX_INVALID, - "bd_id": self.bd.bd_id, - "rd_id": self.rd.rd_id, - } - - def add_vpp_config(self): - self._test.vapi.gbp_bridge_domain_add( - bd=self.encode(), - ) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_bridge_domain_del(bd_id=self.bd.bd_id) - - def object_id(self) -> str: - return "gbp-bridge-domain:[%d]" % (self.bd.bd_id) - - def query_vpp_config(self) -> bool: - bds = self._test.vapi.gbp_bridge_domain_dump() - for bd in bds: - if bd.bd.bd_id == self.bd.bd_id: - return True - return False - - -class VppGbpRouteDomain(VppObject): - """ - GBP Route Domain - """ - - def __init__(self, test, rd_id, scope, t4, t6, ip4_uu=None, ip6_uu=None): - self._test = test - self.rd_id = rd_id - self.scope = scope - self.t4 = t4 - self.t6 = t6 - self.ip4_uu = ip4_uu - self.ip6_uu = ip6_uu - - def encode(self) -> dict: - return { - "rd_id": self.rd_id, - "scope": self.scope, - "ip4_table_id": self.t4.table_id, - "ip6_table_id": self.t6.table_id, - "ip4_uu_sw_if_index": self.ip4_uu.sw_if_index - if self.ip4_uu else INDEX_INVALID, - "ip6_uu_sw_if_index": self.ip6_uu.sw_if_index - if self.ip6_uu else INDEX_INVALID, - - } - - def add_vpp_config(self): - self._test.vapi.gbp_route_domain_add( - rd=self.encode(), - ) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_route_domain_del(rd_id=self.rd_id) - - def object_id(self): - return "gbp-route-domain:[%d]" % (self.rd_id) - - def query_vpp_config(self): - rds = self._test.vapi.gbp_route_domain_dump() - for rd in rds: - if rd.rd.rd_id == self.rd_id: - return True - 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) -> dict: - return { - "ip": self.ip, - "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=None): - self.action = action - self.hash_mode = hash_mode - self.nhs = [] if nhs is None else nhs - - def encode(self) -> dict: - 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}} - - def __repr__(self): - return '<VppGbpContractRule action=%s, hash_mode=%s>' % ( - self.action, self.hash_mode) - - -class VppGbpContract(VppObject): - """ - GBP Contract - """ - - def __init__(self, test, scope, sclass, dclass, acl_index, - rules: list, allowed_ethertypes: list): - self._test = test - self.scope = scope - self.acl_index = acl_index - 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 encode(self) -> dict: - rules = [] - for r in self.rules: - rules.append(r.encode()) - return { - 'acl_index': self.acl_index, - 'scope': self.scope, - 'sclass': self.sclass, - 'dclass': self.dclass, - 'n_rules': len(rules), - 'rules': rules, - 'n_ether_types': len(self.allowed_ethertypes), - 'allowed_ethertypes': self.allowed_ethertypes, - } - - def add_vpp_config(self): - r = self._test.vapi.gbp_contract_add_del( - is_add=1, - contract=self.encode() - ) - - self.stats_index = r.stats_index - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_contract_add_del( - is_add=0, - contract=self.encode(), - ) - - def object_id(self): - return "gbp-contract:[%d:%d:%d:%d]" % (self.scope, - 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.scope == self.scope \ - and c.contract.sclass == self.sclass \ - and c.contract.dclass == self.dclass: - return True - return False - - def get_drop_stats(self): - c = self._test.statistics.get_counter("/net/gbp/contract/drop") - return c[0][self.stats_index] - - def get_permit_stats(self): - c = self._test.statistics.get_counter("/net/gbp/contract/permit") - return c[0][self.stats_index] - - -class VppGbpVxlanTunnel(VppInterface): - """ - GBP VXLAN tunnel - """ - - 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 encode(self) -> dict: - return { - "vni": self.vni, - "mode": self.mode, - "bd_rd_id": self.bd_rd_id, - "src": self.src, - } - - def add_vpp_config(self): - r = self._test.vapi.gbp_vxlan_tunnel_add( - tunnel=self.encode(), - ) - self.set_sw_if_index(r.sw_if_index) - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.gbp_vxlan_tunnel_del(vni=self.vni) - - def object_id(self): - return "gbp-vxlan:%d" % (self.sw_if_index) - - def query_vpp_config(self): - return find_gbp_vxlan(self._test, self.vni) - - -@tag_fixme_vpp_workers -class TestGBP(VppTestCase): - """ GBP Test Case """ - - @property - def nat_config_flags(self): - return VppEnum.vl_api_nat_config_flags_t - - @property - def nat44_config_flags(self): - return VppEnum.vl_api_nat44_config_flags_t - - @classmethod - def setUpClass(cls): - super(TestGBP, cls).setUpClass() - - @classmethod - def tearDownClass(cls): - super(TestGBP, cls).tearDownClass() - - def setUp(self): - super(TestGBP, self).setUp() - - self.create_pg_interfaces(range(9)) - self.create_loopback_interfaces(8) - - self.router_mac = MACAddress("00:11:22:33:44:55") - - for i in self.pg_interfaces: - i.admin_up() - for i in self.lo_interfaces: - i.admin_up() - - self.vlan_100 = VppDot1QSubint(self, self.pg0, 100) - self.vlan_100.admin_up() - self.vlan_101 = VppDot1QSubint(self, self.pg0, 101) - self.vlan_101.admin_up() - self.vlan_102 = VppDot1QSubint(self, self.pg0, 102) - self.vlan_102.admin_up() - - def tearDown(self): - for i in self.pg_interfaces: - i.admin_down() - super(TestGBP, self).tearDown() - for i in self.lo_interfaces: - i.remove_vpp_config() - self.lo_interfaces = [] - self.vlan_102.remove_vpp_config() - self.vlan_101.remove_vpp_config() - self.vlan_100.remove_vpp_config() - - def send_and_expect_bridged(self, src, tx, dst): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IP].src, tx[0][IP].src) - self.assertEqual(r[IP].dst, tx[0][IP].dst) - return rx - - def send_and_expect_bridged6(self, src, tx, dst): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IPv6].src, tx[0][IPv6].src) - self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst) - return rx - - def send_and_expect_routed(self, src, tx, dst, src_mac): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, src_mac) - self.assertEqual(r[Ether].dst, dst.remote_mac) - self.assertEqual(r[IP].src, tx[0][IP].src) - self.assertEqual(r[IP].dst, tx[0][IP].dst) - return rx - - def send_and_expect_routed6(self, src, tx, dst, src_mac): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, src_mac) - self.assertEqual(r[Ether].dst, dst.remote_mac) - self.assertEqual(r[IPv6].src, tx[0][IPv6].src) - self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst) - return rx - - def send_and_expect_natted(self, src, tx, dst, src_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IP].src, src_ip) - self.assertEqual(r[IP].dst, tx[0][IP].dst) - return rx - - def send_and_expect_natted6(self, src, tx, dst, src_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IPv6].src, src_ip) - self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst) - return rx - - def send_and_expect_unnatted(self, src, tx, dst, dst_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IP].dst, dst_ip) - self.assertEqual(r[IP].src, tx[0][IP].src) - return rx - - def send_and_expect_unnatted6(self, src, tx, dst, dst_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[IPv6].dst, dst_ip) - self.assertEqual(r[IPv6].src, tx[0][IPv6].src) - return rx - - def send_and_expect_double_natted(self, src, tx, dst, src_ip, dst_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - 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) - return rx - - def send_and_expect_double_natted6(self, src, tx, dst, src_ip, dst_ip): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - 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) - return rx - - def send_and_expect_no_arp(self, src, tx, dst): - self.pg_send(src, tx) - dst.get_capture(0, timeout=1) - dst.assert_nothing_captured(remark="") - - def send_and_expect_arp(self, src, tx, dst): - rx = self.send_and_expect(src, tx, dst) - - for r in rx: - self.assertEqual(r[Ether].src, tx[0][Ether].src) - self.assertEqual(r[Ether].dst, tx[0][Ether].dst) - self.assertEqual(r[ARP].psrc, tx[0][ARP].psrc) - self.assertEqual(r[ARP].pdst, tx[0][ARP].pdst) - self.assertEqual(r[ARP].hwsrc, tx[0][ARP].hwsrc) - self.assertEqual(r[ARP].hwdst, tx[0][ARP].hwdst) - return rx - - def test_gbp(self): - """ Group Based Policy """ - - ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t - - # - # Route Domains - # - gt4 = VppIpTable(self, 0) - gt4.add_vpp_config() - gt6 = VppIpTable(self, 0, is_ip6=True) - gt6.add_vpp_config() - nt4 = VppIpTable(self, 20) - nt4.add_vpp_config() - nt6 = VppIpTable(self, 20, is_ip6=True) - nt6.add_vpp_config() - - rd0 = VppGbpRouteDomain(self, 0, 400, gt4, gt6, None, None) - rd20 = VppGbpRouteDomain(self, 20, 420, nt4, nt6, None, None) - - rd0.add_vpp_config() - rd20.add_vpp_config() - - # - # Bridge Domains - # - bd1 = VppBridgeDomain(self, 1) - bd2 = VppBridgeDomain(self, 2) - bd20 = VppBridgeDomain(self, 20) - - bd1.add_vpp_config() - bd2.add_vpp_config() - bd20.add_vpp_config() - - gbd1 = VppGbpBridgeDomain(self, bd1, rd0, self.loop0) - gbd2 = VppGbpBridgeDomain(self, bd2, rd0, self.loop1) - gbd20 = VppGbpBridgeDomain(self, bd20, rd20, self.loop2) - - gbd1.add_vpp_config() - gbd2.add_vpp_config() - gbd20.add_vpp_config() - - # - # 3 EPGs, 2 of which share a BD. - # 2 NAT EPGs, one for floating-IP subnets, the other for internet - # - 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] - - # - # 4 end-points, 2 in the same subnet, 3 in the same BD - # - eps = [VppGbpEndpoint(self, self.pg0, - epgs[0], recircs[0], - "10.0.0.1", "11.0.0.1", - "2001:10::1", "3001::1"), - VppGbpEndpoint(self, self.pg1, - epgs[0], recircs[0], - "10.0.0.2", "11.0.0.2", - "2001:10::2", "3001::2"), - VppGbpEndpoint(self, self.pg2, - epgs[1], recircs[1], - "10.0.1.1", "11.0.0.3", - "2001:10:1::1", "3001::3"), - VppGbpEndpoint(self, self.pg3, - epgs[2], recircs[2], - "10.0.2.1", "11.0.0.4", - "2001:10:2::1", "3001::4")] - - self.vapi.nat44_ed_plugin_enable_disable(enable=1) - self.vapi.nat66_plugin_enable_disable(enable=1) - - # - # Config related to each of the EPGs - # - for epg in epgs: - # IP config on the BVI interfaces - if epg != epgs[1] and epg != epgs[4]: - b4 = VppIpInterfaceBind(self, epg.bvi, - epg.rd.t4).add_vpp_config() - b6 = VppIpInterfaceBind(self, epg.bvi, - epg.rd.t6).add_vpp_config() - epg.bvi.set_mac(self.router_mac) - - # The BVIs are NAT inside interfaces - flags = self.nat_config_flags.NAT_IS_INSIDE - self.vapi.nat44_interface_add_del_feature( - sw_if_index=epg.bvi.sw_if_index, - flags=flags, is_add=1) - self.vapi.nat66_add_del_interface( - sw_if_index=epg.bvi.sw_if_index, - flags=flags, is_add=1) - - if_ip4 = VppIpInterfaceAddress(self, epg.bvi, - epg.bvi_ip4, 32, - bind=b4).add_vpp_config() - if_ip6 = VppIpInterfaceAddress(self, epg.bvi, - epg.bvi_ip6, 128, - bind=b6).add_vpp_config() - - # EPG uplink interfaces in the RD - VppIpInterfaceBind(self, epg.uplink, epg.rd.t4).add_vpp_config() - VppIpInterfaceBind(self, epg.uplink, epg.rd.t6).add_vpp_config() - - # add the BD ARP termination entry for BVI IP - epg.bd_arp_ip4 = VppBridgeDomainArpEntry(self, epg.bd.bd, - str(self.router_mac), - epg.bvi_ip4) - epg.bd_arp_ip6 = VppBridgeDomainArpEntry(self, epg.bd.bd, - str(self.router_mac), - epg.bvi_ip6) - epg.bd_arp_ip4.add_vpp_config() - epg.bd_arp_ip6.add_vpp_config() - - # EPG in VPP - epg.add_vpp_config() - - for recirc in recircs: - # EPG's ingress recirculation interface maps to its RD - VppIpInterfaceBind(self, recirc.recirc, - recirc.epg.rd.t4).add_vpp_config() - VppIpInterfaceBind(self, recirc.recirc, - recirc.epg.rd.t6).add_vpp_config() - - self.vapi.nat44_interface_add_del_feature( - sw_if_index=recirc.recirc.sw_if_index, is_add=1) - self.vapi.nat66_add_del_interface( - sw_if_index=recirc.recirc.sw_if_index, is_add=1) - - recirc.add_vpp_config() - - for recirc in recircs: - self.assertTrue(find_bridge_domain_port(self, - recirc.epg.bd.bd.bd_id, - recirc.recirc.sw_if_index)) - - for ep in eps: - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - # - # routes to the endpoints. We need these since there are no - # adj-fibs due to the fact the the BVI address has /32 and - # the subnet is not attached. - # - for (ip, fip) in zip(ep.ips, ep.fips): - # Add static mappings for each EP from the 10/8 to 11/8 network - if ip_address(ip).version == 4: - flags = self.nat_config_flags.NAT_IS_ADDR_ONLY - self.vapi.nat44_add_del_static_mapping( - is_add=1, - local_ip_address=ip, - external_ip_address=fip, - external_sw_if_index=0xFFFFFFFF, - vrf_id=0, - flags=flags) - else: - self.vapi.nat66_add_del_static_mapping( - local_ip_address=ip, - external_ip_address=fip, - vrf_id=0, is_add=1) - - # VPP EP create ... - ep.add_vpp_config() - - self.logger.info(self.vapi.cli("sh gbp endpoint")) - - # ... results in a Gratuitous ARP/ND on the EPG's uplink - rx = ep.epg.uplink.get_capture(len(ep.ips), timeout=0.2) - - for ii, ip in enumerate(ep.ips): - p = rx[ii] - - if ip_address(ip).version == 6: - self.assertTrue(p.haslayer(ICMPv6ND_NA)) - self.assertEqual(p[ICMPv6ND_NA].tgt, ip) - else: - self.assertTrue(p.haslayer(ARP)) - self.assertEqual(p[ARP].psrc, ip) - self.assertEqual(p[ARP].pdst, ip) - - # add the BD ARP termination entry for floating IP - for fip in ep.fips: - ba = VppBridgeDomainArpEntry(self, epg_nat.bd.bd, ep.mac, - fip) - ba.add_vpp_config() - - # floating IPs route via EPG recirc - r = VppIpRoute( - self, fip, ip_address(fip).max_prefixlen, - [VppRoutePath(fip, - ep.recirc.recirc.sw_if_index, - type=FibPathType.FIB_PATH_TYPE_DVR, - proto=get_dpo_proto(fip))], - table_id=20) - r.add_vpp_config() - - # L2 FIB entries in the NAT EPG BD to bridge the packets from - # the outside direct to the internal EPG - lf = VppL2FibEntry(self, epg_nat.bd.bd, ep.mac, - ep.recirc.recirc, bvi_mac=0) - lf.add_vpp_config() - - # - # ARP packets for unknown IP are sent to the EPG uplink - # - pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff", - src=self.pg0.remote_mac) / - ARP(op="who-has", - hwdst="ff:ff:ff:ff:ff:ff", - hwsrc=self.pg0.remote_mac, - pdst="10.0.0.88", - psrc="10.0.0.99")) - - self.vapi.cli("clear trace") - self.pg0.add_stream(pkt_arp) - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - rxd = epgs[0].uplink.get_capture(1) - - # - # ARP/ND packets get a response - # - pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff", - src=self.pg0.remote_mac) / - ARP(op="who-has", - hwdst="ff:ff:ff:ff:ff:ff", - hwsrc=self.pg0.remote_mac, - pdst=epgs[0].bvi_ip4, - psrc=eps[0].ip4)) - - self.send_and_expect(self.pg0, [pkt_arp], self.pg0) - - nsma = in6_getnsma(inet_pton(AF_INET6, eps[0].ip6)) - d = inet_ntop(AF_INET6, nsma) - pkt_nd = (Ether(dst=in6_getnsmac(nsma), - src=self.pg0.remote_mac) / - IPv6(dst=d, src=eps[0].ip6) / - ICMPv6ND_NS(tgt=epgs[0].bvi_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) - self.send_and_expect(self.pg0, [pkt_nd], self.pg0) - - # - # broadcast packets are flooded - # - pkt_bcast = (Ether(dst="ff:ff:ff:ff:ff:ff", - src=self.pg0.remote_mac) / - IP(src=eps[0].ip4, dst="232.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.vapi.cli("clear trace") - self.pg0.add_stream(pkt_bcast) - - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - rxd = eps[1].itf.get_capture(1) - self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst) - rxd = epgs[0].uplink.get_capture(1) - self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst) - - # - # packets to non-local L3 destinations dropped - # - pkt_intra_epg_220_ip4 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst="10.0.0.99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst="10.0.1.99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies(self.pg0, - pkt_intra_epg_220_ip4 * NUM_PKTS) - - pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IPv6(src=eps[0].ip6, - dst="2001:10::99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_assert_no_replies(self.pg0, - pkt_inter_epg_222_ip6 * NUM_PKTS) - - # - # Add the subnet routes - # - s41 = VppGbpSubnet( - self, rd0, "10.0.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s42 = VppGbpSubnet( - self, rd0, "10.0.1.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s43 = VppGbpSubnet( - self, rd0, "10.0.2.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s61 = VppGbpSubnet( - self, rd0, "2001:10::1", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s62 = VppGbpSubnet( - self, rd0, "2001:10:1::1", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s63 = VppGbpSubnet( - self, rd0, "2001:10:2::1", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL) - s41.add_vpp_config() - s42.add_vpp_config() - s43.add_vpp_config() - s61.add_vpp_config() - s62.add_vpp_config() - s63.add_vpp_config() - - self.send_and_expect_bridged(eps[0].itf, - pkt_intra_epg_220_ip4 * NUM_PKTS, - eps[0].epg.uplink) - self.send_and_expect_bridged(eps[0].itf, - pkt_inter_epg_222_ip4 * NUM_PKTS, - eps[0].epg.uplink) - self.send_and_expect_bridged6(eps[0].itf, - pkt_inter_epg_222_ip6 * NUM_PKTS, - eps[0].epg.uplink) - - self.logger.info(self.vapi.cli("sh ip fib 11.0.0.2")) - self.logger.info(self.vapi.cli("sh gbp endpoint-group")) - self.logger.info(self.vapi.cli("sh gbp endpoint")) - self.logger.info(self.vapi.cli("sh gbp recirc")) - self.logger.info(self.vapi.cli("sh int")) - self.logger.info(self.vapi.cli("sh int addr")) - self.logger.info(self.vapi.cli("sh int feat loop6")) - self.logger.info(self.vapi.cli("sh vlib graph ip4-gbp-src-classify")) - self.logger.info(self.vapi.cli("sh int feat loop3")) - self.logger.info(self.vapi.cli("sh int feat pg0")) - - # - # Packet destined to unknown unicast is sent on the epg uplink ... - # - pkt_intra_epg_220_to_uplink = (Ether(src=self.pg0.remote_mac, - dst="00:00:00:33:44:55") / - IP(src=eps[0].ip4, - dst="10.0.0.99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged(eps[0].itf, - pkt_intra_epg_220_to_uplink * NUM_PKTS, - eps[0].epg.uplink) - # ... and nowhere else - self.pg1.get_capture(0, timeout=0.1) - self.pg1.assert_nothing_captured(remark="Flood onto other VMS") - - pkt_intra_epg_221_to_uplink = (Ether(src=self.pg2.remote_mac, - dst="00:00:00:33:44:66") / - IP(src=eps[0].ip4, - dst="10.0.0.99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged(eps[2].itf, - pkt_intra_epg_221_to_uplink * NUM_PKTS, - eps[2].epg.uplink) - - # - # Packets from the uplink are forwarded in the absence of a contract - # - pkt_intra_epg_220_from_uplink = (Ether(src="00:00:00:33:44:55", - dst=self.pg0.remote_mac) / - IP(src=eps[0].ip4, - dst="10.0.0.99") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged(self.pg4, - pkt_intra_epg_220_from_uplink * NUM_PKTS, - self.pg0) - - # - # in the absence of policy, endpoints in the same EPG - # can communicate - # - pkt_intra_epg = (Ether(src=self.pg0.remote_mac, - dst=self.pg1.remote_mac) / - IP(src=eps[0].ip4, - dst=eps[1].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged(self.pg0, - pkt_intra_epg * NUM_PKTS, - self.pg1) - - # - # in the absence of policy, endpoints in the different EPG - # cannot communicate - # - pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac, - dst=self.pg2.remote_mac) / - IP(src=eps[0].ip4, - dst=eps[2].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac, - dst=self.pg0.remote_mac) / - IP(src=eps[2].ip4, - dst=eps[0].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst=eps[3].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_221 * NUM_PKTS) - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_222 * NUM_PKTS) - - # - # A uni-directional contract from EPG 220 -> 221 - # - rule = AclRule(is_permit=1, proto=17) - rule2 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule, rule2]) - acl.add_vpp_config() - - c1 = VppGbpContract( - self, 400, epgs[0].sclass, epgs[1].sclass, acl.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]) - c1.add_vpp_config() - - self.send_and_expect_bridged(eps[0].itf, - pkt_inter_epg_220_to_221 * NUM_PKTS, - eps[2].itf) - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_222 * NUM_PKTS) - - # - # contract for the return direction - # - c2 = VppGbpContract( - self, 400, epgs[1].sclass, epgs[0].sclass, acl.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]) - c2.add_vpp_config() - - self.send_and_expect_bridged(eps[0].itf, - pkt_inter_epg_220_to_221 * NUM_PKTS, - eps[2].itf) - self.send_and_expect_bridged(eps[2].itf, - pkt_inter_epg_221_to_220 * NUM_PKTS, - eps[0].itf) - - ds = c2.get_drop_stats() - self.assertEqual(ds['packets'], 0) - ps = c2.get_permit_stats() - self.assertEqual(ps['packets'], NUM_PKTS) - - # - # 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. - # - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_222 * NUM_PKTS) - - # - # A uni-directional contract from EPG 220 -> 222 'L3 routed' - # - c3 = VppGbpContract( - self, 400, epgs[0].sclass, epgs[2].sclass, acl.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]) - c3.add_vpp_config() - - self.logger.info(self.vapi.cli("sh gbp contract")) - - self.send_and_expect_routed(eps[0].itf, - pkt_inter_epg_220_to_222 * NUM_PKTS, - eps[3].itf, - str(self.router_mac)) - # - # remove both contracts, traffic stops in both directions - # - c2.remove_vpp_config() - c1.remove_vpp_config() - c3.remove_vpp_config() - acl.remove_vpp_config() - - self.send_and_assert_no_replies(eps[2].itf, - pkt_inter_epg_221_to_220 * NUM_PKTS) - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_221 * NUM_PKTS) - self.send_and_expect_bridged(eps[0].itf, - pkt_intra_epg * NUM_PKTS, - eps[1].itf) - - # - # EPs to the outside world - # - - # in the EP's RD an external subnet via the NAT EPG's recirc - se1 = VppGbpSubnet( - 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, - 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, - 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, - 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, - 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, - 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, - sclass=epg_nat.sclass) - se1.add_vpp_config() - se2.add_vpp_config() - se16.add_vpp_config() - se3.add_vpp_config() - se36.add_vpp_config() - se4.add_vpp_config() - - self.logger.info(self.vapi.cli("sh ip fib 0.0.0.0/0")) - self.logger.info(self.vapi.cli("sh ip fib 11.0.0.1")) - self.logger.info(self.vapi.cli("sh ip6 fib ::/0")) - self.logger.info(self.vapi.cli("sh ip6 fib %s" % - eps[0].fip6)) - - # - # From an EP to an outside address: IN2OUT - # - pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst="1.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - # no policy yet - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_global * NUM_PKTS) - rule = AclRule(is_permit=1, proto=17, ports=1234) - rule2 = AclRule(is_permit=1, proto=17, ports=1234, - src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0))) - acl2 = VppAcl(self, rules=[rule, rule2]) - acl2.add_vpp_config() - - c4 = VppGbpContract( - self, 400, epgs[0].sclass, epgs[3].sclass, acl2.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() - - self.send_and_expect_natted(eps[0].itf, - pkt_inter_epg_220_to_global * NUM_PKTS, - self.pg7, - eps[0].fip4) - - pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IPv6(src=eps[0].ip6, - dst="6001::1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_natted6(self.pg0, - pkt_inter_epg_220_to_global * NUM_PKTS, - self.pg7, - eps[0].fip6) - # - # From a global address to an EP: OUT2IN - # - pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac), - dst=self.pg0.remote_mac) / - IP(dst=eps[0].fip4, - src="1.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies( - self.pg7, pkt_inter_epg_220_from_global * NUM_PKTS) - - c5 = VppGbpContract( - self, 400, epgs[3].sclass, epgs[0].sclass, acl2.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]) - c5.add_vpp_config() - - self.send_and_expect_unnatted(self.pg7, - pkt_inter_epg_220_from_global * NUM_PKTS, - eps[0].itf, - eps[0].ip4) - - pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac), - dst=self.pg0.remote_mac) / - IPv6(dst=eps[0].fip6, - src="6001::1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_unnatted6( - self.pg7, - pkt_inter_epg_220_from_global * NUM_PKTS, - eps[0].itf, - eps[0].ip6) - - # - # From a local VM to another local VM using resp. public addresses: - # IN2OUT2IN - # - pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst=eps[1].fip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_double_natted(eps[0].itf, - pkt_intra_epg_220_global * NUM_PKTS, - eps[1].itf, - eps[0].fip4, - eps[1].ip4) - - pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IPv6(src=eps[0].ip6, - dst=eps[1].fip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_double_natted6( - eps[0].itf, - pkt_intra_epg_220_global * NUM_PKTS, - eps[1].itf, - eps[0].fip6, - eps[1].ip6) - - # - # cleanup - # - self.vapi.nat44_ed_plugin_enable_disable(enable=0) - self.vapi.nat66_plugin_enable_disable(enable=0) - - def wait_for_ep_timeout(self, sw_if_index=None, ip=None, mac=None, - tep=None, n_tries=100, s_time=1): - # only learnt EP can timeout - ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t - flags = ep_flags.GBP_API_ENDPOINT_FLAG_LEARNT - while (n_tries): - if not find_gbp_endpoint(self, sw_if_index, ip, mac, tep=tep, - flags=flags): - return True - n_tries = n_tries - 1 - self.sleep(s_time) - self.assertFalse(find_gbp_endpoint(self, sw_if_index, ip, mac, tep=tep, - flags=flags)) - return False - - def test_gbp_learn_l2(self): - """ GBP L2 Endpoint Learning """ - - drop_no_contract = self.statistics.get_err_counter( - '/err/gbp-policy-port/drop-no-contract') - allow_intra_class = self.statistics.get_err_counter( - '/err/gbp-policy-port/allow-intra-sclass') - - 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': '00:00:11:11:11:02', - 'ip': '10.0.0.2', - 'ip6': '2001:10::3'}] - - # - # 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, 401, gt4, gt6) - rd1.add_vpp_config() - - # - # Pg2 hosts the vxlan tunnel, hosts on pg2 to act as TEPs - # Pg3 hosts the IP4 UU-flood VXLAN tunnel - # Pg4 hosts the IP6 UU-flood VXLAN tunnel - # - 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() - - # - # 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, rd1, self.loop0, - self.pg3, tun_bm) - 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, 112, rd1, gbd1, - None, self.loop0, - "10.0.0.128", - "2001:10::128", - VppGbpEndpointRetention(4)) - epg_220.add_vpp_config() - epg_330 = VppGbpEndpointGroup(self, 330, 113, rd1, gbd1, - None, self.loop1, - "10.0.1.128", - "2001:11::128", - VppGbpEndpointRetention(4)) - epg_330.add_vpp_config() - - # - # The VXLAN GBP tunnel is a bridge-port and has L2 endpoint - # learning 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, self.pg0, - 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, 32, table_id=1)) - - # a packet with an sclass from an unknown EPG - p = (Ether(src=self.pg2.remote_mac, - dst=self.pg2.local_mac) / - IP(src=self.pg2.remote_hosts[0].ip4, - dst=self.pg2.local_ip4) / - UDP(sport=1234, dport=48879) / - VXLAN(vni=99, gpid=88, flags=0x88) / - Ether(src=learnt[0]["mac"], dst=ep.mac) / - IP(src=learnt[0]["ip"], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies(self.pg2, p) - - self.logger.info(self.vapi.cli("sh error")) - self.assert_error_counter_equal( - '/err/gbp-policy-port/drop-no-contract', - drop_no_contract + 1) - - # - # we should not have learnt a new tunnel endpoint, since - # the EPG was not learnt. - # - self.assertEqual(INDEX_INVALID, - find_vxlan_gbp_tunnel(self, - self.pg2.local_ip4, - self.pg2.remote_hosts[0].ip4, - 99)) - - # ep is not learnt, because the EPG is unknown - 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 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=99, gpid=112, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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.assertTrue(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - ip=l['ip'])) - - self.assert_error_counter_equal( - '/err/gbp-policy-port/allow-intra-sclass', - allow_intra_class + 2) - - 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 ip mfib")) - - # - # If we sleep for the threshold time, the learnt endpoints should - # 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 GARP packets received on the BD's mcast tunnel - # - for ii, l in enumerate(learnt): - # add some junk in the reserved field of the vxlan-header - # next to the VNI. we should accept since reserved bits are - # ignored on rx. - 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, reserved2=0x80, 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 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=99, gpid=112, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - Raw(b'\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 - # - for l in learnt: - # a packet with an sclass from a known EPG - 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, gpflags="D") / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - for l in learnt: - self.assertFalse(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) - - # - # repeat - # - for l in learnt: - # a packet with an sclass from a known EPG - # set a reserved bit in addition to the G and I - # reserved bits should not be checked on rx. - 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=0xc8) / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) - - # - # Static EP replies to dynamics - # - self.logger.info(self.vapi.cli("sh l2fib bd_id 1")) - for l in learnt: - p = (Ether(src=ep.mac, dst=l['mac']) / - IP(dst=l['ip'], src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg0, p * 17, 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, 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) - - for l in learnt: - self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, - mac=l['mac']) - - # - # repeat in the other EPG - # there's no contract between 220 and 330, but the A-bit is set - # so the packet is cleared for delivery - # - for l in learnt: - # a packet with an sclass from a known EPG - 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=113, flags=0x88, gpflags='A') / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) - - # - # static EP cannot reach the learnt EPs since there is no contract - # only test 1 EP as the others could timeout - # - p = (Ether(src=ep.mac, dst=l['mac']) / - IP(dst=learnt[0]['ip'], src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies(self.pg0, [p]) - - # - # refresh the entries after the check for no replies above - # - for l in learnt: - # a packet with an sclass from a known EPG - 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=113, flags=0x88, gpflags='A') / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint(self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'])) - - # - # Add the contract so they can talk - # - rule = AclRule(is_permit=1, proto=17) - rule2 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule, rule2]) - acl.add_vpp_config() - - c1 = VppGbpContract( - self, 401, epg_220.sclass, epg_330.sclass, acl.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]) - c1.add_vpp_config() - - for l in learnt: - p = (Ether(src=ep.mac, dst=l['mac']) / - IP(dst=l['ip'], src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect(self.pg0, [p], self.pg2) - - # - # send UU packets from the local EP - # - self.logger.info(self.vapi.cli("sh gbp bridge")) - self.logger.info(self.vapi.cli("sh bridge-domain 1 detail")) - p_uu = (Ether(src=ep.mac, dst="00:11:11:11:11:11") / - IP(dst="10.0.0.133", src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - rxs = self.send_and_expect(ep.itf, [p_uu], gbd1.uu_fwd) - - self.logger.info(self.vapi.cli("sh bridge 1 detail")) - - p_bm = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") / - IP(dst="10.0.0.133", src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - - rule = AclRule(is_permit=1, proto=17) - rule2 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule, rule2]) - acl.add_vpp_config() - - c2 = VppGbpContract( - self, 401, epg_330.sclass, epg_220.sclass, acl.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]) - c2.add_vpp_config() - - for l in learnt: - self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, - mac=l['mac']) - # - # Check v6 Endpoints learning - # - for l in learnt: - # a packet with an sclass from a known EPG - 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=113, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - IPv6(src=l['ip6'], dst=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint( - self, - vx_tun_l2_1.sw_if_index, - ip=l['ip6'], - tep=[self.pg2.local_ip4, - self.pg2.remote_hosts[1].ip4])) - - self.logger.info(self.vapi.cli("sh int")) - self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel")) - self.logger.info(self.vapi.cli("sh gbp vxlan")) - self.logger.info(self.vapi.cli("sh gbp endpoint")) - self.logger.info(self.vapi.cli("sh gbp interface")) - - # - # EP moves to a different TEP - # - for l in learnt: - # a packet with an sclass from a known EPG - 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=99, gpid=113, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - IPv6(src=l['ip6'], dst=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * 1, self.pg0) - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint( - self, - vx_tun_l2_1.sw_if_index, - sclass=113, - mac=l['mac'], - tep=[self.pg2.local_ip4, - self.pg2.remote_hosts[2].ip4])) - - # - # v6 remote EP reachability - # - for l in learnt: - p = (Ether(src=ep.mac, dst=l['mac']) / - IPv6(dst=l['ip6'], src=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\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, 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.assertEqual(rx[IPv6].dst, l['ip6']) - - # - # EP changes sclass - # - for l in learnt: - # a packet with an sclass from a known EPG - 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=99, gpid=112, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - IPv6(src=l['ip6'], dst=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rx = self.send_and_expect(self.pg2, p * 1, self.pg0) - rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0) - - self.assertTrue(find_gbp_endpoint( - self, - vx_tun_l2_1.sw_if_index, - mac=l['mac'], - sclass=112, - tep=[self.pg2.local_ip4, - self.pg2.remote_hosts[2].ip4])) - - # - # check reachability and contract intra-epg - # - allow_intra_class = self.statistics.get_err_counter( - '/err/gbp-policy-mac/allow-intra-sclass') - - for l in learnt: - p = (Ether(src=ep.mac, dst=l['mac']) / - IPv6(dst=l['ip6'], src=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - 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.assertEqual(rx[IPv6].dst, l['ip6']) - - allow_intra_class += NUM_PKTS - - self.assert_error_counter_equal( - '/err/gbp-policy-mac/allow-intra-sclass', - allow_intra_class) - - # - # clean up - # - for l in learnt: - self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index, - mac=l['mac']) - self.pg2.unconfig_ip4() - self.pg3.unconfig_ip4() - self.pg4.unconfig_ip4() - - def test_gbp_contract(self): - """ GBP Contracts """ - - # - # Route Domains - # - gt4 = VppIpTable(self, 0) - gt4.add_vpp_config() - gt6 = VppIpTable(self, 0, is_ip6=True) - gt6.add_vpp_config() - - rd0 = VppGbpRouteDomain(self, 0, 400, gt4, gt6, None, None) - - rd0.add_vpp_config() - - # - # Bridge Domains - # - bd1 = VppBridgeDomain(self, 1, arp_term=0) - bd2 = VppBridgeDomain(self, 2, arp_term=0) - - bd1.add_vpp_config() - bd2.add_vpp_config() - - gbd1 = VppGbpBridgeDomain(self, bd1, rd0, self.loop0) - gbd2 = VppGbpBridgeDomain(self, bd2, rd0, self.loop1) - - gbd1.add_vpp_config() - gbd2.add_vpp_config() - - # - # 3 EPGs, 2 of which share a BD. - # - epgs = [VppGbpEndpointGroup(self, 220, 1220, rd0, gbd1, - None, self.loop0, - "10.0.0.128", "2001:10::128"), - VppGbpEndpointGroup(self, 221, 1221, rd0, gbd1, - None, self.loop0, - "10.0.1.128", "2001:10:1::128"), - VppGbpEndpointGroup(self, 222, 1222, rd0, gbd2, - None, self.loop1, - "10.0.2.128", "2001:10:2::128")] - # - # 4 end-points, 2 in the same subnet, 3 in the same BD - # - eps = [VppGbpEndpoint(self, self.pg0, - epgs[0], None, - "10.0.0.1", "11.0.0.1", - "2001:10::1", "3001::1"), - VppGbpEndpoint(self, self.pg1, - epgs[0], None, - "10.0.0.2", "11.0.0.2", - "2001:10::2", "3001::2"), - VppGbpEndpoint(self, self.pg2, - epgs[1], None, - "10.0.1.1", "11.0.0.3", - "2001:10:1::1", "3001::3"), - VppGbpEndpoint(self, self.pg3, - epgs[2], None, - "10.0.2.1", "11.0.0.4", - "2001:10:2::1", "3001::4")] - - # - # Config related to each of the EPGs - # - for epg in epgs: - # IP config on the BVI interfaces - if epg != epgs[1]: - b4 = VppIpInterfaceBind(self, epg.bvi, - epg.rd.t4).add_vpp_config() - b6 = VppIpInterfaceBind(self, epg.bvi, - epg.rd.t6).add_vpp_config() - epg.bvi.set_mac(self.router_mac) - - if_ip4 = VppIpInterfaceAddress(self, epg.bvi, - epg.bvi_ip4, 32, - bind=b4).add_vpp_config() - if_ip6 = VppIpInterfaceAddress(self, epg.bvi, - epg.bvi_ip6, 128, - bind=b6).add_vpp_config() - - # add the BD ARP termination entry for BVI IP - epg.bd_arp_ip4 = VppBridgeDomainArpEntry(self, epg.bd.bd, - str(self.router_mac), - epg.bvi_ip4) - epg.bd_arp_ip4.add_vpp_config() - - # EPG in VPP - epg.add_vpp_config() - - # - # config ep - # - for ep in eps: - ep.add_vpp_config() - - self.logger.info(self.vapi.cli("show gbp endpoint")) - self.logger.info(self.vapi.cli("show interface")) - self.logger.info(self.vapi.cli("show br")) - - # - # Intra epg allowed without contract - # - pkt_intra_epg_220_to_220 = (Ether(src=self.pg0.remote_mac, - dst=self.pg1.remote_mac) / - IP(src=eps[0].ip4, - dst=eps[1].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged(self.pg0, - pkt_intra_epg_220_to_220 * 65, - self.pg1) - - pkt_intra_epg_220_to_220 = (Ether(src=self.pg0.remote_mac, - dst=self.pg1.remote_mac) / - IPv6(src=eps[0].ip6, - dst=eps[1].ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_expect_bridged6(self.pg0, - pkt_intra_epg_220_to_220 * 65, - self.pg1) - - # - # Inter epg denied without contract - # - pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac, - dst=self.pg2.remote_mac) / - IP(src=eps[0].ip4, - dst=eps[2].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221) - - # - # A uni-directional contract from EPG 220 -> 221 - # - rule = AclRule(is_permit=1, proto=17) - rule2 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - rule3 = AclRule(is_permit=1, proto=1) - acl = VppAcl(self, rules=[rule, rule2, rule3]) - acl.add_vpp_config() - - c1 = VppGbpContract( - self, 400, epgs[0].sclass, epgs[1].sclass, acl.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, - []), - 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]) - c1.add_vpp_config() - - self.send_and_expect_bridged(eps[0].itf, - pkt_inter_epg_220_to_221 * 65, - eps[2].itf) - - pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst=eps[3].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_assert_no_replies(eps[0].itf, - pkt_inter_epg_220_to_222 * 65) - - # - # ping router IP in different BD - # - pkt_router_ping_220_to_221 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[0].ip4, - dst=epgs[1].bvi_ip4) / - ICMP(type='echo-request')) - - self.send_and_expect(self.pg0, [pkt_router_ping_220_to_221], self.pg0) - - pkt_router_ping_220_to_221 = (Ether(src=self.pg0.remote_mac, - dst=str(self.router_mac)) / - IPv6(src=eps[0].ip6, - dst=epgs[1].bvi_ip6) / - ICMPv6EchoRequest()) - - self.send_and_expect(self.pg0, [pkt_router_ping_220_to_221], self.pg0) - - # - # contract for the return direction - # - c2 = VppGbpContract( - self, 400, epgs[1].sclass, epgs[0].sclass, acl.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]) - c2.add_vpp_config() - - self.send_and_expect_bridged(eps[0].itf, - pkt_inter_epg_220_to_221 * 65, - eps[2].itf) - pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac, - dst=self.pg0.remote_mac) / - IP(src=eps[2].ip4, - dst=eps[0].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_expect_bridged(eps[2].itf, - pkt_inter_epg_221_to_220 * 65, - eps[0].itf) - pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac, - dst=str(self.router_mac)) / - IP(src=eps[2].ip4, - dst=eps[0].ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_expect_routed(eps[2].itf, - pkt_inter_epg_221_to_220 * 65, - eps[0].itf, - str(self.router_mac)) - pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac, - dst=str(self.router_mac)) / - IPv6(src=eps[2].ip6, - dst=eps[0].ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_expect_routed6(eps[2].itf, - pkt_inter_epg_221_to_220 * 65, - eps[0].itf, - str(self.router_mac)) - - # - # contract between 220 and 222 uni-direction - # - c3 = VppGbpContract( - self, 400, epgs[0].sclass, epgs[2].sclass, acl.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]) - c3.add_vpp_config() - - self.send_and_expect(eps[0].itf, - pkt_inter_epg_220_to_222 * 65, - eps[3].itf) - - c3.remove_vpp_config() - c1.remove_vpp_config() - c2.remove_vpp_config() - acl.remove_vpp_config() - - def test_gbp_bd_drop_flags(self): - """ GBP BD drop flags """ - - # - # 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, 401, gt4, gt6) - rd1.add_vpp_config() - - # - # a GBP bridge domain with a BVI only - # - bd1 = VppBridgeDomain(self, 1) - bd1.add_vpp_config() - - gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, - None, None, - uu_drop=True, bm_drop=True) - 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).add_vpp_config() - - # - # The Endpoint-group - # - epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1, - None, self.loop0, - "10.0.0.128", - "2001:10::128", - VppGbpEndpointRetention(3)) - epg_220.add_vpp_config() - - 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() - - # - # send UU/BM packet from the local EP with UU drop and BM drop enabled - # in bd - # - self.logger.info(self.vapi.cli("sh bridge 1 detail")) - self.logger.info(self.vapi.cli("sh gbp bridge")) - p_uu = (Ether(src=ep.mac, dst="00:11:11:11:11:11") / - IP(dst="10.0.0.133", src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_assert_no_replies(ep.itf, [p_uu]) - - p_bm = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") / - IP(dst="10.0.0.133", src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - self.send_and_assert_no_replies(ep.itf, [p_bm]) - - self.pg3.unconfig_ip4() - - self.logger.info(self.vapi.cli("sh int")) - - def test_gbp_bd_arp_flags(self): - """ GBP BD arp flags """ - - # - # 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, 401, gt4, gt6) - rd1.add_vpp_config() - - # - # Pg4 hosts the IP6 UU-flood VXLAN tunnel - # - self.pg4.config_ip4() - self.pg4.resolve_arp() - - # - # Add a mcast destination VXLAN-GBP tunnel for B&M traffic - # - tun_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4, - "239.1.1.1", 88, - mcast_itf=self.pg4) - tun_uu.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, rd1, self.loop0, - tun_uu, None, - ucast_arp=True) - gbd1.add_vpp_config() - - # ... and has a /32 applied - ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, - "10.0.0.128", 32).add_vpp_config() - - # - # The Endpoint-group - # - epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1, - None, self.loop0, - "10.0.0.128", - "2001:10::128", - VppGbpEndpointRetention(2)) - epg_220.add_vpp_config() - - 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() - - # - # send ARP packet from the local EP expect it on the uu interface - # - self.logger.info(self.vapi.cli("sh bridge 1 detail")) - self.logger.info(self.vapi.cli("sh gbp bridge")) - p_arp = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") / - ARP(op="who-has", - psrc=ep.ip4, pdst="10.0.0.99", - hwsrc=ep.mac, - hwdst="ff:ff:ff:ff:ff:ff")) - self.send_and_expect(ep.itf, [p_arp], self.pg4) - - self.pg4.unconfig_ip4() - - def test_gbp_learn_vlan_l2(self): - """ GBP L2 Endpoint w/ VLANs""" - - 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': '00:00:11:11:11:02', - 'ip': '10.0.0.2', - 'ip6': '2001:10::3'}] - - # - # 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, 401, 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.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, rd1, 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).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(4)) - epg_220.add_vpp_config() - - # - # The VXLAN GBP tunnel is a bridge-port and has L2 endpoint - # learning 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, 32, table_id=1)) - - # - # Send to the static EP - # - 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=99, gpid=441, flags=0x88) / - Ether(src=l['mac'], dst=ep.mac) / - IP(src=l['ip'], dst=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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 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 - # - b4 = VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config() - b6 = 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, - bind=b4).add_vpp_config() - ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, - "2001:10::128", 128, - bind=b6).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(4)) - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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, src=ep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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, src=ep.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - 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)) - - p = (Ether(src=ep.mac, dst=self.loop0.local_mac) / - IP(src=ep.ip4, dst=rep_2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - rxs = self.send_and_expect(self.pg0, [p], self.pg2) - - self.assertFalse(find_gbp_endpoint(self, ip=rep_88.ip4)) - - p = (Ether(src=ep.mac, dst=self.loop0.local_mac) / - IP(src=ep.ip4, dst=rep_88.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - self.wait_for_ep_timeout(ip=rep_2.ip4) - - # - # 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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, - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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, - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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 - # - b_ip4 = VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config() - b_ip6 = 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, - bind=b_ip4).add_vpp_config() - ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, - "2001:10::128", 128, - bind=b_ip6).add_vpp_config() - ip4_addr = VppIpInterfaceAddress(self, gbd2.bvi, - "10.0.1.128", 32).add_vpp_config() - ip6_addr = VppIpInterfaceAddress(self, gbd2.bvi, - "2001:11::128", 128).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(60)) - epg_220.add_vpp_config() - epg_221 = VppGbpEndpointGroup(self, 221, 441, rd1, gbd2, - None, gbd2.bvi, - "10.0.1.128", - "2001:11::128", - VppGbpEndpointRetention(60)) - epg_221.add_vpp_config() - epg_222 = VppGbpEndpointGroup(self, 222, 442, rd1, gbd1, - None, gbd1.bvi, - "10.0.2.128", - "2001:12::128", - VppGbpEndpointRetention(60)) - 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(60)) - epg_320.add_vpp_config() - epg_321 = VppGbpEndpointGroup(self, 321, 551, rd1, gbd4, - None, gbd2.bvi, - "12.0.1.128", - "4001:11::128", - VppGbpEndpointRetention(60)) - 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, dst=ep3.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep3.mac, dst=ep1.mac) / - IP(src=ep3.ip4, dst=ep1.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - p6 = [(Ether(src=ep1.mac, dst=ep3.mac) / - IPv6(src=ep1.ip6, dst=ep3.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep3.mac, dst=ep1.mac) / - IPv6(src=ep3.ip6, dst=ep1.ip6) / - UDP(sport=1234, dport=1230) / - Raw(b'\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 - # - rule4 = AclRule(is_permit=1, proto=17) - rule6 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule4, rule6]) - acl.add_vpp_config() - - # - # test the src-ip hash mode - # - c1 = VppGbpContract( - self, 402, epg_220.sclass, epg_222.sclass, acl.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.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) - self.assertEqual(rx[IP].dst, ep3.ip4) - - 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) - self.assertEqual(rx[IP].dst, ep1.ip4) - - 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) - self.assertEqual(inner[IPv6].dst, ep3.ip6) - - 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) - self.assertEqual(rx[IPv6].dst, ep1.ip6) - - # - # 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) - self.assertEqual(rx[IPv6].dst, ep3.ip6) - - # - # 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) - self.assertEqual(inner[IPv6].dst, ep3.ip6) - - c1.remove_vpp_config() - c2.remove_vpp_config() - - # - # test the symmetric hash mode - # - c1 = VppGbpContract( - self, 402, epg_220.sclass, epg_222.sclass, acl.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.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) - self.assertEqual(rx[IP].dst, ep3.ip4) - - 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) - self.assertEqual(rx[IP].dst, ep1.ip4) - - # - # 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, dst=ep2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep2.mac, dst=str(self.router_mac)) / - IP(src=ep2.ip4, dst=ep1.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) / - IPv6(src=ep1.ip6, dst=ep2.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep2.mac, dst=str(self.router_mac)) / - IPv6(src=ep2.ip6, dst=ep1.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - - c3 = VppGbpContract( - self, 402, epg_220.sclass, epg_221.sclass, acl.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) - self.assertEqual(rx[IP].dst, ep2.ip4) - - # - # learn a remote EP in EPG 221 - # packets coming from unknown remote EPs will be leant & redirected - # - 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.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]) - 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - # unknown remote EP to local EP redirected - rxs = self.send_and_expect(self.pg7, [p], 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, "10.0.0.88") - self.assertEqual(rx[IP].dst, ep1.ip4) - - # 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) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - # unknown remote EP to local EP redirected (ipv6) - rxs = self.send_and_expect(self.pg7, [p], 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, "2001:10::88") - self.assertEqual(rx[IPv6].dst, ep1.ip6) - - # 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, dst="10.0.0.88") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) / - IPv6(src=ep1.ip6, dst="2001:10::88") / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - 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) - self.assertEqual(rx[IPv6].dst, "2001:10::88") - - # - # test the dst-ip hash mode - # - c5 = VppGbpContract( - self, 402, epg_220.sclass, epg_221.sclass, acl.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) - 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) - self.assertEqual(rx[IPv6].dst, "2001:10::88") - - # - # a programmed remote SEP in EPG 320 - # - - # gbp vxlan tunnel for the remote SEP - vx_tun_l3_sep = VppGbpVxlanTunnel( - self, 555, rd1.rd_id, - VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3, - self.pg2.local_ip4) - vx_tun_l3_sep.add_vpp_config() - - # remote SEP - sep5 = VppGbpEndpoint(self, vx_tun_l3_sep, - epg_320, None, - "12.0.0.10", "13.0.0.10", - "4001:10::10", "5001:10::10", - ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE, - self.pg7.local_ip4, - self.pg7.remote_ip4, - mac=None) - sep5.add_vpp_config() - - # - # local l3out redirect tests - # - - # add local l3out - # the external bd - self.loop4.set_mac(self.router_mac) - b_lo4_ip4 = VppIpInterfaceBind(self, self.loop4, t4).add_vpp_config() - b_lo4_ip6 = VppIpInterfaceBind(self, self.loop4, t6).add_vpp_config() - ebd = VppBridgeDomain(self, 100) - ebd.add_vpp_config() - gebd = VppGbpBridgeDomain(self, ebd, rd1, self.loop4, None, None) - gebd.add_vpp_config() - # the external epg - eepg = VppGbpEndpointGroup(self, 888, 765, rd1, gebd, - None, gebd.bvi, - "10.1.0.128", - "2001:10:1::128", - VppGbpEndpointRetention(60)) - eepg.add_vpp_config() - # add subnets to BVI - VppIpInterfaceAddress( - self, - gebd.bvi, - "10.1.0.128", - 24, bind=b_lo4_ip4).add_vpp_config() - VppIpInterfaceAddress( - self, - gebd.bvi, - "2001:10:1::128", - 64, bind=b_lo4_ip6).add_vpp_config() - # ... which are L3-out subnets - VppGbpSubnet(self, rd1, "10.1.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=765).add_vpp_config() - VppGbpSubnet(self, rd1, "2001:10:1::128", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=765).add_vpp_config() - # external endpoints - VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config() - eep1 = VppGbpEndpoint(self, self.vlan_100, eepg, None, "10.1.0.1", - "11.1.0.1", "2001:10:1::1", "3001:10:1::1", - ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL) - eep1.add_vpp_config() - VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config() - eep2 = VppGbpEndpoint(self, self.vlan_101, eepg, None, "10.1.0.2", - "11.1.0.2", "2001:10:1::2", "3001:10:1::2", - ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL) - eep2.add_vpp_config() - - # external subnets reachable though eep1 and eep2 respectively - VppIpRoute(self, "10.220.0.0", 24, - [VppRoutePath(eep1.ip4, eep1.epg.bvi.sw_if_index)], - table_id=t4.table_id).add_vpp_config() - VppGbpSubnet(self, rd1, "10.220.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220).add_vpp_config() - VppIpRoute(self, "10:220::", 64, - [VppRoutePath(eep1.ip6, eep1.epg.bvi.sw_if_index)], - table_id=t6.table_id).add_vpp_config() - VppGbpSubnet(self, rd1, "10:220::", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220).add_vpp_config() - VppIpRoute(self, "10.221.0.0", 24, - [VppRoutePath(eep2.ip4, eep2.epg.bvi.sw_if_index)], - table_id=t4.table_id).add_vpp_config() - VppGbpSubnet(self, rd1, "10.221.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4221).add_vpp_config() - VppIpRoute(self, "10:221::", 64, - [VppRoutePath(eep2.ip6, eep2.epg.bvi.sw_if_index)], - table_id=t6.table_id).add_vpp_config() - VppGbpSubnet(self, rd1, "10:221::", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4221).add_vpp_config() - - # - # l3out redirect to remote (known, then unknown) SEP - # - - # packets from 1 external subnet to the other - p = [(Ether(src=eep1.mac, dst=self.router_mac) / - Dot1Q(vlan=100) / - IP(src="10.220.0.17", dst="10.221.0.65") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=eep1.mac, dst=self.router_mac) / - Dot1Q(vlan=100) / - IPv6(src="10:220::17", dst="10:221::65") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - - # packets should be dropped in absence of contract - self.send_and_assert_no_replies(self.pg0, p) - - # contract redirecting to sep5 - VppGbpContract( - self, 402, 4220, 4221, acl.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(sep5.vmac, sep5.epg.bd, - sep5.ip4, sep5.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(sep5.vmac, sep5.epg.bd, - sep5.ip6, sep5.epg.rd)])], - [ETH_P_IP, ETH_P_IPV6]).add_vpp_config() - - rxs = self.send_and_expect(self.pg0, p, self.pg7) - - for rx, tx in zip(rxs, p): - 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) - # this should use the programmed remote leaf TEP - self.assertEqual(rx[VXLAN].vni, 555) - self.assertEqual(rx[VXLAN].gpid, 4220) - self.assertTrue(rx[VXLAN].flags.G) - self.assertTrue(rx[VXLAN].flags.Instance) - # redirect policy has been applied - self.assertTrue(rx[VXLAN].gpflags.A) - self.assertTrue(rx[VXLAN].gpflags.D) - rxip = rx[VXLAN][Ether].payload - txip = tx[Dot1Q].payload - self.assertEqual(rxip.src, txip.src) - self.assertEqual(rxip.dst, txip.dst) - - # remote SEP: it is now an unknown remote SEP and should go - # to spine proxy - sep5.remove_vpp_config() - - rxs = self.send_and_expect(self.pg0, p, self.pg7) - - for rx, tx in zip(rxs, p): - 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) - # this should use the spine proxy TEP - self.assertEqual(rx[VXLAN].vni, epg_320.bd.uu_fwd.vni) - self.assertEqual(rx[VXLAN].gpid, 4220) - self.assertTrue(rx[VXLAN].flags.G) - self.assertTrue(rx[VXLAN].flags.Instance) - # redirect policy has been applied - self.assertTrue(rx[VXLAN].gpflags.A) - self.assertTrue(rx[VXLAN].gpflags.D) - rxip = rx[VXLAN][Ether].payload - txip = tx[Dot1Q].payload - self.assertEqual(rxip.src, txip.src) - self.assertEqual(rxip.dst, txip.dst) - - # - # l3out redirect to local SEP - # - - # change the contract between l3out to redirect to local SEPs - # instead of remote SEP - VppGbpContract( - self, 402, 4220, 4221, acl.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)]), - 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.ip6, sep1.epg.rd)])], - [ETH_P_IP, ETH_P_IPV6]).add_vpp_config() - - rxs = self.send_and_expect(self.pg0, p, sep1.itf) - for rx, tx in zip(rxs, p): - self.assertEqual(rx[Ether].src, routed_src_mac) - self.assertEqual(rx[Ether].dst, sep1.mac) - rxip = rx[Ether].payload - txip = tx[Ether].payload - self.assertEqual(rxip.src, txip.src) - self.assertEqual(rxip.dst, txip.dst) - - # - # redirect remote EP to remote (known then unknown) SEP - # - - # remote SEP known again - sep5.add_vpp_config() - - # contract to redirect to learnt SEP - VppGbpContract( - self, 402, epg_221.sclass, epg_222.sclass, acl.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(sep5.vmac, sep5.epg.bd, - sep5.ip4, sep5.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(sep5.vmac, sep5.epg.bd, - sep5.ip6, sep5.epg.rd)])], - [ETH_P_IP, ETH_P_IPV6]).add_vpp_config() - - # packets from unknown EP 221 to known EP in EPG 222 - # should be redirected to known remote SEP - base = (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="00:22:22:22:22:44", dst=str(self.router_mac))) - p = [(base / - IP(src="10.0.1.100", dst=ep3.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (base / - IPv6(src="2001:10::100", dst=ep3.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - - # unknown remote EP to local EP redirected to known remote SEP - rxs = self.send_and_expect(self.pg7, p, self.pg7) - - for rx, tx in zip(rxs, p): - 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) - # this should use the programmed remote leaf TEP - self.assertEqual(rx[VXLAN].vni, 555) - self.assertEqual(rx[VXLAN].gpid, epg_221.sclass) - 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) - rxip = rx[VXLAN][Ether].payload - txip = tx[VXLAN][Ether].payload - self.assertEqual(rxip.src, txip.src) - self.assertEqual(rxip.dst, txip.dst) - - # endpoint learnt via the parent GBP-vxlan interface - self.assertTrue(find_gbp_endpoint(self, - vx_tun_l3._sw_if_index, - ip="10.0.1.100")) - self.assertTrue(find_gbp_endpoint(self, - vx_tun_l3._sw_if_index, - ip="2001:10::100")) - - # remote SEP: it is now an unknown remote SEP and should go - # to spine proxy - sep5.remove_vpp_config() - - # remote EP (coming from spine proxy) to local EP redirected to - # known remote SEP - rxs = self.send_and_expect(self.pg7, p, self.pg7) - - for rx, tx in zip(rxs, p): - 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) - # this should use the spine proxy TEP - self.assertEqual(rx[VXLAN].vni, epg_320.bd.uu_fwd.vni) - self.assertEqual(rx[VXLAN].gpid, epg_221.sclass) - 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) - rxip = rx[VXLAN][Ether].payload - txip = tx[VXLAN][Ether].payload - self.assertEqual(rxip.src, txip.src) - self.assertEqual(rxip.dst, txip.dst) - - # - # cleanup - # - self.pg7.unconfig_ip4() - - def test_gbp_redirect_extended(self): - """ GBP Endpoint Redirect Extended """ - - 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() - - # create IPv4 and IPv6 RD UU VxLAN-GBP TEP and bind them to the right - # VRF - rd_uu4 = VppVxlanGbpTunnel( - self, - self.pg7.local_ip4, - self.pg7.remote_ip4, - 114, - mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t. - VXLAN_GBP_API_TUNNEL_MODE_L3)) - rd_uu4.add_vpp_config() - VppIpInterfaceBind(self, rd_uu4, t4).add_vpp_config() - - rd_uu6 = VppVxlanGbpTunnel( - self, - self.pg7.local_ip4, - self.pg7.remote_ip4, - 115, - mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t. - VXLAN_GBP_API_TUNNEL_MODE_L3)) - rd_uu6.add_vpp_config() - VppIpInterfaceBind(self, rd_uu6, t4).add_vpp_config() - - rd1 = VppGbpRouteDomain(self, 2, 402, t4, t6, rd_uu4, rd_uu6) - rd1.add_vpp_config() - - self.loop0.set_mac(self.router_mac) - self.loop1.set_mac(self.router_mac) - self.loop2.set_mac(self.router_mac) - - # - # Bind the BVI to the RD - # - b_lo0_ip4 = VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config() - b_lo0_ip6 = VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config() - b_lo1_ip4 = VppIpInterfaceBind(self, self.loop1, t4).add_vpp_config() - b_lo1_ip6 = VppIpInterfaceBind(self, self.loop1, t6).add_vpp_config() - b_lo2_ip4 = VppIpInterfaceBind(self, self.loop2, t4).add_vpp_config() - b_lo2_ip6 = VppIpInterfaceBind(self, self.loop2, 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_addr1 = VppIpInterfaceAddress(self, gbd1.bvi, - "10.0.0.128", 32, - bind=b_lo0_ip4).add_vpp_config() - ip6_addr1 = VppIpInterfaceAddress(self, gbd1.bvi, - "2001:10::128", 128, - bind=b_lo0_ip6).add_vpp_config() - ip4_addr2 = VppIpInterfaceAddress(self, gbd2.bvi, - "10.0.1.128", 32, - bind=b_lo1_ip4).add_vpp_config() - ip6_addr2 = VppIpInterfaceAddress(self, gbd2.bvi, - "2001:11::128", 128, - bind=b_lo1_ip6).add_vpp_config() - - # - # The Endpoint-groups - # - epg_220 = VppGbpEndpointGroup(self, 220, 440, rd1, gbd1, - None, gbd1.bvi, - "10.0.0.128", - "2001:10::128", - VppGbpEndpointRetention(60)) - epg_220.add_vpp_config() - epg_221 = VppGbpEndpointGroup(self, 221, 441, rd1, gbd2, - None, gbd2.bvi, - "10.0.1.128", - "2001:11::128", - VppGbpEndpointRetention(60)) - epg_221.add_vpp_config() - - # - # a GBP bridge domains for the SEPs - # - bd_uu3 = VppVxlanGbpTunnel(self, self.pg7.local_ip4, - self.pg7.remote_ip4, 116) - bd_uu3.add_vpp_config() - - bd3 = VppBridgeDomain(self, 3) - bd3.add_vpp_config() - gbd3 = VppGbpBridgeDomain(self, bd3, rd1, self.loop2, - bd_uu3, learn=False) - gbd3.add_vpp_config() - - ip4_addr3 = VppIpInterfaceAddress(self, gbd3.bvi, - "12.0.0.128", 32, - bind=b_lo2_ip4).add_vpp_config() - ip6_addr3 = VppIpInterfaceAddress(self, gbd3.bvi, - "4001:10::128", 128, - bind=b_lo2_ip6).add_vpp_config() - - # - # 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")) - # - - # - # EPGs in which the service endpoints exist - # - epg_320 = VppGbpEndpointGroup(self, 320, 550, rd1, gbd3, - None, gbd3.bvi, - "12.0.0.128", - "4001:10::128", - VppGbpEndpointRetention(60)) - epg_320.add_vpp_config() - - # - # 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() - - # - # service endpoints - # - sep1 = VppGbpEndpoint(self, self.pg3, - epg_320, None, - "12.0.0.1", "13.0.0.1", - "4001:10::1", "5001:10::1") - sep2 = VppGbpEndpoint(self, self.pg4, - epg_320, None, - "12.0.0.2", "13.0.0.2", - "4001:10::2", "5001:10::2") - - # sep1 and sep2 are not added to config yet - # they are unknown for now - - # - # add routes to EPG subnets - # - VppGbpSubnet(self, rd1, "10.0.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT - ).add_vpp_config() - VppGbpSubnet(self, rd1, "10.0.1.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT - ).add_vpp_config() - - # - # Local host to known local host in different BD - # with SFC contract (source and destination are in - # one node and service endpoint in another node) - # - p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) / - IP(src=ep1.ip4, dst=ep2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep2.mac, dst=str(self.router_mac)) / - IP(src=ep2.ip4, dst=ep1.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100))] - p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) / - IPv6(src=ep1.ip6, dst=ep2.ip6) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=ep2.mac, dst=str(self.router_mac)) / - IPv6(src=ep2.ip6, dst=ep1.ip6) / - UDP(sport=1234, dport=1230) / - Raw(b'\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 - # - rule4 = AclRule(is_permit=1, proto=17) - rule6 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule4, rule6]) - acl.add_vpp_config() - - # - # test the src-ip hash mode - # - c1 = VppGbpContract( - self, 402, epg_220.sclass, epg_221.sclass, acl.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)]), - 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.ip6, sep1.epg.rd)])], - [ETH_P_IP, ETH_P_IPV6]) - c1.add_vpp_config() - - c2 = VppGbpContract( - self, 402, epg_221.sclass, epg_220.sclass, acl.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)]), - 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.ip6, sep1.epg.rd)])], - [ETH_P_IP, ETH_P_IPV6]) - c2.add_vpp_config() - - # ep1 <--> ep2 redirected through sep1 - # sep1 is unknown - # packet is redirected to sep bd and then go through sep bd UU - - rxs = self.send_and_expect(self.pg0, p4[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, 116) - 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, sep1.mac) - self.assertEqual(inner[IP].src, ep1.ip4) - self.assertEqual(inner[IP].dst, ep2.ip4) - - rxs = self.send_and_expect(self.pg1, p4[1] * 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, 116) - 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, sep1.mac) - self.assertEqual(inner[IP].src, ep2.ip4) - self.assertEqual(inner[IP].dst, ep1.ip4) - - 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, 116) - self.assertTrue(rx[VXLAN].flags.G) - self.assertTrue(rx[VXLAN].flags.Instance) - # redirect policy has been applied - inner = rx[VXLAN].payload - - self.assertEqual(inner[Ether].src, routed_src_mac) - self.assertEqual(inner[Ether].dst, sep1.mac) - self.assertEqual(inner[IPv6].src, ep1.ip6) - self.assertEqual(inner[IPv6].dst, ep2.ip6) - - rxs = self.send_and_expect(self.pg1, p6[1] * 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, 116) - 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, sep1.mac) - self.assertEqual(inner[IPv6].src, ep2.ip6) - self.assertEqual(inner[IPv6].dst, ep1.ip6) - - # configure sep1: it is now local - # packets between ep1 and ep2 are redirected locally - sep1.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) - self.assertEqual(rx[IP].dst, ep2.ip4) - - rxs = self.send_and_expect(self.pg1, p6[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[IPv6].src, ep2.ip6) - self.assertEqual(rx[IPv6].dst, ep1.ip6) - - # packet coming from the l2 spine-proxy to sep1 - 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=116, gpid=440, gpflags=0x08, flags=0x88) / - Ether(src=str(self.router_mac), dst=sep1.mac) / - IP(src=ep1.ip4, dst=ep2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg7, [p] * 17, sep1.itf) - - for rx in rxs: - self.assertEqual(rx[Ether].src, str(self.router_mac)) - self.assertEqual(rx[Ether].dst, sep1.mac) - self.assertEqual(rx[IP].src, ep1.ip4) - self.assertEqual(rx[IP].dst, ep2.ip4) - - # contract for SEP to communicate with dst EP - c3 = VppGbpContract( - self, 402, epg_320.sclass, epg_221.sclass, acl.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_SYMMETRIC), - VppGbpContractRule( - VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT, - VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC)], - [ETH_P_IP, ETH_P_IPV6]) - c3.add_vpp_config() - - # temporarily remove ep2, so that ep2 is remote & unknown - ep2.remove_vpp_config() - - # packet going back from sep1 to its original dest (ep2) - # as ep2 is now unknown (see above), it must go through - # the rd UU (packet is routed) - - p1 = (Ether(src=sep1.mac, dst=self.router_mac) / - IP(src=ep1.ip4, dst=ep2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg3, [p1] * 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, 114) - self.assertTrue(rx[VXLAN].flags.G) - self.assertTrue(rx[VXLAN].flags.Instance) - # redirect policy has been applied - 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, ep1.ip4) - self.assertEqual(inner[IP].dst, ep2.ip4) - - self.logger.info(self.vapi.cli("show bridge 3 detail")) - sep1.remove_vpp_config() - - self.logger.info(self.vapi.cli("show bridge 1 detail")) - self.logger.info(self.vapi.cli("show bridge 2 detail")) - - # re-add ep2: it is local again :) - ep2.add_vpp_config() - - # packet coming back from the remote sep through rd UU - p2 = (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=114, gpid=441, gpflags=0x09, flags=0x88) / - Ether(src=str(self.router_mac), dst=self.router_mac) / - IP(src=ep1.ip4, dst=ep2.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg7, [p2], self.pg1) - - for rx in rxs: - self.assertEqual(rx[Ether].src, str(self.router_mac)) - self.assertEqual(rx[Ether].dst, self.pg1.remote_mac) - self.assertEqual(rx[IP].src, ep1.ip4) - self.assertEqual(rx[IP].dst, ep2.ip4) - - # - # bd_uu2.add_vpp_config() - # - - # - # cleanup - # - c1.remove_vpp_config() - c2.remove_vpp_config() - c3.remove_vpp_config() - 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 level 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, 55, t4, t6) - rd1.add_vpp_config() - - self.loop0.set_mac(self.router_mac) - - # - # Bind the BVI to the RD - # - b_ip4 = VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config() - b_ip6 = 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, rd1, 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(4)) - epg_220.add_vpp_config() - - # the BVIs have the subnets applied ... - ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", - 24, bind=b_ip4).add_vpp_config() - ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", - 64, bind=b_ip6).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 - # - VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config() - VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config() - vlan_144 = VppDot1QSubint(self, self.pg0, 144) - vlan_144.admin_up() - # vlan_102 is not poped - - # - # 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, 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, 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() - eep3 = VppGbpEndpoint(self, self.vlan_102, - epg_220, None, - "10.0.0.3", "11.0.0.3", - "2001:10::3", "3001::3", - ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL) - eep3.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() - - # - # EP1 impersonating EP3 is dropped - # - p = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") / - Dot1Q(vlan=100) / - ARP(op="who-has", - psrc="10.0.0.3", pdst="10.0.0.128", - hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff")) - self.send_and_assert_no_replies(self.pg0, p) - - # - # ARP packet from External EPs are accepted 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, 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) - - # - # ARP packet from host in remote subnet are accepted and replied to - # - p_arp = (Ether(src=eep3.mac, dst="ff:ff:ff:ff:ff:ff") / - Dot1Q(vlan=102) / - ARP(op="who-has", - psrc=eep3.ip4, pdst="10.0.0.128", - hwsrc=eep3.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(b'\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(b'\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(b'\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, 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, dst=eep2.ip4) / - 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) - - # - # local EP pings router w/o vlan tag poped - # - p = (Ether(src=eep3.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=102) / - IP(src=eep3.ip4, 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, self.vlan_102.remote_mac) - - # - # A ip4 subnet reachable through the external EP1 - # - ip_220 = VppIpRoute(self, "10.220.0.0", 24, - [VppRoutePath(eep1.ip4, - 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() - - # - # An ip6 subnet reachable through the external EP1 - # - ip6_220 = VppIpRoute(self, "10:220::", 64, - [VppRoutePath(eep1.ip6, - eep1.epg.bvi.sw_if_index)], - table_id=t6.table_id) - ip6_220.add_vpp_config() - - l3o6_220 = VppGbpSubnet( - self, rd1, "10:220::", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220) - l3o6_220.add_vpp_config() - - # - # A subnet reachable through the external EP2 - # - ip_221 = VppIpRoute(self, "10.221.0.0", 24, - [VppRoutePath(eep2.ip4, - 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')) - - self.send_and_assert_no_replies(self.pg0, p * 1) - - # - # contract for the external nets to communicate - # - rule4 = AclRule(is_permit=1, proto=17) - rule6 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule4, rule6]) - acl.add_vpp_config() - - # - # A contract with the wrong scope is not matched - # - c_44 = VppGbpContract( - self, 44, 4220, 4221, acl.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]) - c_44.add_vpp_config() - self.send_and_assert_no_replies(self.pg0, p * 1) - - c1 = VppGbpContract( - self, 55, 4220, 4221, acl.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]) - c1.add_vpp_config() - - # - # Contracts allowing ext-net 200 to talk with external EPs - # - c2 = VppGbpContract( - self, 55, 4220, 113, acl.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]) - c2.add_vpp_config() - c3 = VppGbpContract( - self, 55, 113, 4220, acl.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]) - 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(b'\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(b'\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) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - - # - # An external subnet reachable via the remote external EP - # - - # - # first the VXLAN-GBP tunnel over which it is reached - # - vx_tun_r1 = 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_r1.add_vpp_config() - VppIpInterfaceBind(self, vx_tun_r1, 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_r1.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_r1.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(b'\xa5' * 100)) - - rxs = self.send_and_assert_no_replies(self.pg0, p * 1) - - # - # Add contracts ext-nets for 220 -> 222 - # - c4 = VppGbpContract( - self, 55, 4220, 4222, acl.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() - - # - # 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(b'\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") - - # - # make the external subnet ECMP - # - vx_tun_r2 = VppVxlanGbpTunnel( - self, self.pg7.local_ip4, - self.pg7.remote_ip4, 446, - mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t. - VXLAN_GBP_API_TUNNEL_MODE_L3)) - vx_tun_r2.add_vpp_config() - VppIpInterfaceBind(self, vx_tun_r2, t4).add_vpp_config() - - self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel")) - - n2 = VppNeighbor(self, - vx_tun_r2.sw_if_index, - "00:0c:0c:0c:0c:0c", - self.pg7.remote_ip4) - n2.add_vpp_config() - - ip_222.modify([VppRoutePath(self.pg7.remote_ip4, - vx_tun_r1.sw_if_index), - VppRoutePath(self.pg7.remote_ip4, - vx_tun_r2.sw_if_index)]) - - # - # now expect load-balance - # - 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(b'\xa5' * 100)), - (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=1222, dport=1235) / - Raw(b'\xa5' * 100))] - - rxs = self.send_and_expect(self.pg0, p, self.pg7) - - self.assertEqual(rxs[0][VXLAN].vni, 445) - self.assertEqual(rxs[1][VXLAN].vni, 446) - - # - # Same LB test for v6 - # - n3 = VppNeighbor(self, - vx_tun_r1.sw_if_index, - "00:0c:0c:0c:0c:0c", - self.pg7.remote_ip6) - n3.add_vpp_config() - n4 = VppNeighbor(self, - vx_tun_r2.sw_if_index, - "00:0c:0c:0c:0c:0c", - self.pg7.remote_ip6) - n4.add_vpp_config() - - ip_222_6 = VppIpRoute(self, "10:222::", 64, - [VppRoutePath(self.pg7.remote_ip6, - vx_tun_r1.sw_if_index), - VppRoutePath(self.pg7.remote_ip6, - vx_tun_r2.sw_if_index)], - table_id=t6.table_id) - ip_222_6.add_vpp_config() - - l3o_222_6 = VppGbpSubnet( - self, rd1, "10:222::", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4222) - l3o_222_6.add_vpp_config() - - p = [(Ether(src=eep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=100) / - IPv6(src="10:220::1", dst="10:222::1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=eep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=100) / - IPv6(src="10:220::1", dst="10:222::1") / - UDP(sport=7777, dport=8881) / - Raw(b'\xa5' * 100))] - - self.logger.info(self.vapi.cli("sh ip6 fib 10:222::1")) - rxs = self.send_and_expect(self.pg0, p, self.pg7) - - self.assertEqual(rxs[0][VXLAN].vni, 445) - self.assertEqual(rxs[1][VXLAN].vni, 446) - - # - # 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(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg7, p * 3, self.pg0) - self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1")) - - # - # ping from host in remote to remote external subnets - # this is dropped by reflection check. - # - 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="10.222.0.2") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_assert_no_replies(self.pg7, p * 3) - - 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)) / - IPv6(src="10:222::1", dst="10:222::2") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_assert_no_replies(self.pg7, p * 3) - - # - # local EP - # - lep1 = VppGbpEndpoint(self, vlan_144, - epg_220, None, - "10.0.0.44", "11.0.0.44", - "2001:10::44", "3001::44") - lep1.add_vpp_config() - - # - # local EP to local ip4 external subnet - # - p = (Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IP(src=lep1.ip4, dst="10.220.0.1") / - UDP(sport=1234, dport=1234) / - Raw(b'\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, eep1.mac) - self.assertEqual(rx[Dot1Q].vlan, 100) - - # - # local EP to local ip6 external subnet - # - p = (Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IPv6(src=lep1.ip6, dst="10:220::1") / - UDP(sport=1234, dport=1234) / - Raw(b'\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, eep1.mac) - self.assertEqual(rx[Dot1Q].vlan, 100) - - # - # ip4 and ip6 subnets that load-balance - # - ip_20 = VppIpRoute(self, "10.20.0.0", 24, - [VppRoutePath(eep1.ip4, - eep1.epg.bvi.sw_if_index), - VppRoutePath(eep2.ip4, - eep2.epg.bvi.sw_if_index)], - table_id=t4.table_id) - ip_20.add_vpp_config() - - l3o_20 = VppGbpSubnet( - self, rd1, "10.20.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220) - l3o_20.add_vpp_config() - - ip6_20 = VppIpRoute(self, "10:20::", 64, - [VppRoutePath(eep1.ip6, - eep1.epg.bvi.sw_if_index), - VppRoutePath(eep2.ip6, - eep2.epg.bvi.sw_if_index)], - table_id=t6.table_id) - ip6_20.add_vpp_config() - - l3o6_20 = VppGbpSubnet( - self, rd1, "10:20::", 64, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220) - l3o6_20.add_vpp_config() - - self.logger.info(self.vapi.cli("sh ip fib 10.20.0.1")) - self.logger.info(self.vapi.cli("sh ip6 fib 10:20::1")) - - # two ip6 packets whose port are chosen so they load-balance - p = [(Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IPv6(src=lep1.ip6, dst="10:20::1") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)), - (Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IPv6(src=lep1.ip6, dst="10:20::1") / - UDP(sport=124, dport=1230) / - Raw(b'\xa5' * 100))] - - rxs = self.send_and_expect(self.pg0, p, self.pg0, 2) - - self.assertEqual(rxs[0][Dot1Q].vlan, 101) - self.assertEqual(rxs[1][Dot1Q].vlan, 100) - - # two ip4 packets whose port are chosen so they load-balance - p = [(Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IP(src=lep1.ip4, dst="10.20.0.1") / - UDP(sport=1235, dport=1235) / - Raw(b'\xa5' * 100)), - (Ether(src=lep1.mac, dst=str(self.router_mac)) / - Dot1Q(vlan=144) / - IP(src=lep1.ip4, dst="10.20.0.1") / - UDP(sport=124, dport=1230) / - Raw(b'\xa5' * 100))] - - rxs = self.send_and_expect(self.pg0, p, self.pg0, 2) - - self.assertEqual(rxs[0][Dot1Q].vlan, 101) - self.assertEqual(rxs[1][Dot1Q].vlan, 100) - - # - # cleanup - # - ip_222.remove_vpp_config() - self.pg7.unconfig_ip4() - self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED) - self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED) - - def test_gbp_anon_l3_out(self): - """ GBP Anonymous L3 Out """ - - ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t - self.vapi.cli("set logging class gbp level 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, 55, t4, t6) - rd1.add_vpp_config() - - self.loop0.set_mac(self.router_mac) - - # - # Bind the BVI to the RD - # - bind_l0_ip4 = VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config() - bind_l0_ip6 = 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 GBP external bridge domains for the EPs - # - bd1 = VppBridgeDomain(self, 1) - bd1.add_vpp_config() - gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, None, None) - 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(4)) - epg_220.add_vpp_config() - - # the BVIs have the subnet applied ... - ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, - "10.0.0.128", 24, - bind=bind_l0_ip4).add_vpp_config() - - # ... which is an Anonymous L3-out subnets - l3o_1 = VppGbpSubnet( - self, rd1, "10.0.0.0", 24, - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_ANON_L3_OUT, - sclass=113) - l3o_1.add_vpp_config() - - # - # an external interface attached to the outside world and the - # external BD - # - VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config() - VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config() - - # - # vlan_100 and vlan_101 are anonymous l3-out interfaces - # - ext_itf = VppGbpExtItf(self, self.vlan_100, bd1, rd1, anon=True) - ext_itf.add_vpp_config() - ext_itf = VppGbpExtItf(self, self.vlan_101, bd1, rd1, anon=True) - 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() - - # - # A remote external endpoint - # - rep = VppGbpEndpoint(self, vx_tun_l3, - epg_220, None, - "10.0.0.201", "11.0.0.201", - "2001:10::201", "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 host in external subnet are accepted, flooded and - # replied to. We expect 2 packets: - # - APR request flooded over the other vlan subif - # - ARP reply from BVI - # - p_arp = (Ether(src=self.vlan_100.remote_mac, - dst="ff:ff:ff:ff:ff:ff") / - Dot1Q(vlan=100) / - ARP(op="who-has", - psrc="10.0.0.100", - pdst="10.0.0.128", - hwsrc=self.vlan_100.remote_mac, - hwdst="ff:ff:ff:ff:ff:ff")) - rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2) - - p_arp = (Ether(src=self.vlan_101.remote_mac, - dst="ff:ff:ff:ff:ff:ff") / - Dot1Q(vlan=101) / - ARP(op="who-has", - psrc='10.0.0.101', - pdst="10.0.0.128", - hwsrc=self.vlan_101.remote_mac, - hwdst="ff:ff:ff:ff:ff:ff")) - rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2) - - # - # 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=vx_tun_l3.vni, gpid=epg_220.sclass, flags=0x88) / - Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) / - IP(src=str(rep.ip4), dst="10.0.0.100") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - rxs = self.send_and_expect(self.pg7, p * 1, self.pg0) - - # - # local EP pings router - # - p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) / - Dot1Q(vlan=100) / - IP(src="10.0.0.100", 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, self.vlan_100.remote_mac) - self.assertEqual(rx[Dot1Q].vlan, 100) - - # - # local EP pings other local EP - # - p = (Ether(src=self.vlan_100.remote_mac, - dst=self.vlan_101.remote_mac) / - Dot1Q(vlan=100) / - IP(src="10.0.0.100", dst="10.0.0.101") / - ICMP(type='echo-request')) - rxs = self.send_and_expect(self.pg0, p * 1, self.pg0) - - for rx in rxs: - self.assertEqual(rx[Ether].src, self.vlan_100.remote_mac) - self.assertEqual(rx[Ether].dst, self.vlan_101.remote_mac) - self.assertEqual(rx[Dot1Q].vlan, 101) - - # - # A subnet reachable through an external router on vlan 100 - # - ip_220 = VppIpRoute(self, "10.220.0.0", 24, - [VppRoutePath("10.0.0.100", - epg_220.bvi.sw_if_index)], - table_id=t4.table_id) - ip_220.add_vpp_config() - - l3o_220 = VppGbpSubnet( - self, rd1, "10.220.0.0", 24, - # note: this a "regular" L3 out subnet (not connected) - VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT, - sclass=4220) - l3o_220.add_vpp_config() - - # - # A subnet reachable through an external router on vlan 101 - # - ip_221 = VppIpRoute(self, "10.221.0.0", 24, - [VppRoutePath("10.0.0.101", - epg_220.bvi.sw_if_index)], - table_id=t4.table_id) - ip_221.add_vpp_config() - - l3o_221 = VppGbpSubnet( - self, rd1, "10.221.0.0", 24, - # note: this a "regular" L3 out subnet (not connected) - 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=self.vlan_100.remote_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 - # - rule4 = AclRule(is_permit=1, proto=17) - rule6 = AclRule(src_prefix=IPv6Network((0, 0)), - dst_prefix=IPv6Network((0, 0)), is_permit=1, proto=17) - acl = VppAcl(self, rules=[rule4, rule6]) - acl.add_vpp_config() - - c1 = VppGbpContract( - self, 55, 4220, 4221, acl.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]) - c1.add_vpp_config() - - # - # Contracts allowing ext-net 200 to talk with external EPs - # - c2 = VppGbpContract( - self, 55, 4220, 113, acl.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]) - c2.add_vpp_config() - c3 = VppGbpContract( - self, 55, 113, 4220, acl.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]) - c3.add_vpp_config() - - # - # ping between hosts in remote subnets - # - p = (Ether(src=self.vlan_100.remote_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(b'\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, self.vlan_101.remote_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=rep.ip4, dst="10.220.0.1") / - UDP(sport=1234, dport=1234) / - Raw(b'\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=self.vlan_100.remote_mac, dst=str(self.router_mac)) / - Dot1Q(vlan=100) / - IP(src="10.220.0.1", dst=rep.ip4) / - UDP(sport=1234, dport=1234) / - Raw(b'\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) - - # - # 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, - # note: this a "regular" l3out subnet (not connected) - 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=self.vlan_100.remote_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(b'\xa5' * 100)) - - rxs = self.send_and_assert_no_replies(self.pg0, p * 1) - - # - # Add contracts ext-nets for 220 -> 222 - # - c4 = VppGbpContract( - self, 55, 4220, 4222, acl.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() - - # - # ping from host in local to remote external subnets - # - p = (Ether(src=self.vlan_100.remote_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(b'\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(b'\xa5' * 100)) - - rxs = self.send_and_expect(self.pg7, p * 3, self.pg0) - self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1")) - - # - # ping from host in remote to remote external subnets - # this is dropped by reflection check. - # - 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="10.222.0.2") / - UDP(sport=1234, dport=1234) / - Raw(b'\xa5' * 100)) - - rxs = self.send_and_assert_no_replies(self.pg7, p * 3) - - # - # cleanup - # - self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED) - self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED) - self.pg7.unconfig_ip4() - # make sure the programmed EP is no longer learnt from DP - self.wait_for_ep_timeout(sw_if_index=rep.itf.sw_if_index, ip=rep.ip4) - - -if __name__ == '__main__': - unittest.main(testRunner=VppTestRunner) |