ICMPv6ND_NA
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 scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
from scapy.utils import inet_pton, inet_ntop
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
+ 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
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="")
+ timeout = 0.1
+
+ 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 """
ba.add_vpp_config()
# floating IPs route via EPG recirc
- r = VppIpRoute(self, fip.address, fip.length,
- [VppRoutePath(fip.address,
- ep.recirc.recirc.sw_if_index,
- is_dvr=1,
- proto=fip.dpo_proto)],
- table_id=20,
- is_ip6=fip.is_ip6)
+ r = VppIpRoute(
+ self, fip.address, fip.length,
+ [VppRoutePath(fip.address,
+ ep.recirc.recirc.sw_if_index,
+ type=FibPathType.FIB_PATH_TYPE_DVR,
+ proto=fip.dpo_proto)],
+ table_id=20)
r.add_vpp_config()
# L2 FIB entries in the NAT EPG BD to bridge the packets from
self.logger.info(self.vapi.cli("sh int"))
self.logger.info(self.vapi.cli("sh gbp vxlan"))
+ def test_gbp_contract(self):
+ """ GBP CONTRACTS """
+
+ #
+ # 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, self.loop0)
+ gbd2 = VppGbpBridgeDomain(self, bd2, self.loop1)
+
+ gbd1.add_vpp_config()
+ gbd2.add_vpp_config()
+
+ #
+ # 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, gt4, gt6, None, None)
+
+ rd0.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]:
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t4).add_vpp_config()
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t6).add_vpp_config()
+ self.vapi.sw_interface_set_mac_address(
+ epg.bvi.sw_if_index,
+ self.router_mac.packed)
+
+ if_ip4 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip4, 32)
+ if_ip6 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip6, 128)
+ if_ip4.add_vpp_config()
+ if_ip6.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.address,
+ dst=eps[1].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(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.address,
+ dst=eps[2].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221)
+
+ #
+ # A uni-directional contract from EPG 220 -> 221
+ #
+ acl = VppGbpAcl(self)
+ rule = acl.create_rule(permit_deny=1, proto=17)
+ rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule, rule2])
+ c1 = VppGbpContract(
+ self, epgs[0].sclass, epgs[1].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ 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.address,
+ dst=eps[3].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_222 * 65)
+
+ #
+ # contract for the return direction
+ #
+ c2 = VppGbpContract(
+ self, epgs[1].sclass, epgs[0].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ 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.address,
+ dst=eps[0].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect_bridged(eps[2].itf,
+ pkt_inter_epg_221_to_220 * 65,
+ eps[0].itf)
+
+ #
+ # contract between 220 and 222 uni-direction
+ #
+ c3 = VppGbpContract(
+ self, epgs[0].sclass, epgs[2].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ self.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_flags(self):
""" GBP BD FLAGS """
def test_gbp_learn_l3(self):
""" GBP L3 Endpoint Learning """
- self.vapi.cli("set logging class gbp debug")
+ 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"
def test_gbp_redirect(self):
""" GBP Endpoint Redirect """
- self.vapi.cli("set logging class gbp debug")
+ 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"
""" GBP L3 Out """
ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
- self.vapi.cli("set logging class gbp debug")
+ 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"
vlan_101 = VppDot1QSubint(self, self.pg0, 101)
vlan_101.admin_up()
VppL2Vtr(self, vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ # vlan_102 is not poped
+ vlan_102 = VppDot1QSubint(self, self.pg0, 102)
+ vlan_102.admin_up()
ext_itf = VppGbpExtItf(self, self.loop0, bd1, rd1)
ext_itf.add_vpp_config()
"2001:10::2", "3001::2",
ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
eep2.add_vpp_config()
+ eep3 = VppGbpEndpoint(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
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=vlan_102.remote_mac, dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=102) /
+ ARP(op="who-has",
+ psrc="10.0.0.17", pdst="10.0.0.128",
+ hwsrc=vlan_102.remote_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
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.address, dst="10.0.0.128") /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, vlan_102.remote_mac)
+
#
# A subnet reachable through the external EP1
#