vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2020-11-23	crypto-ipsecmb: bump to intel-ipsec-mb version 0.55	Dariusz Kazimierski	2	-3/+18
2020-11-19	build: bump libbpf to v0.2	Benoît Ganne	1	-1/+2
2020-11-19	build: bump rdma-core to 31.1	Benoît Ganne	1	-2/+2
2020-11-04	build: better detection of libbpf dependencies	Benoît Ganne	1	-4/+6
2020-10-26	dpdk: allow offline build by caching build-deps	Mohammed Hawari	1	-4/+6
2020-10-23	build: fix typo in dpdk-20.08 patch #0003	Dave Wallace	1	-2/+2
2020-10-17	build: backport dpdk usertools support python3 only patch	Dave Wallace	2	-1/+213
2020-10-16	misc: bump debian compatibility level to 10	Damjan Marion	1	-1/+1
2020-10-14	crypto: fixed ipsec_mb lib dependencies	PiotrX Kleski	4	-4/+24
2020-09-29	dpdk: fix compile	Fan Zhang	1	-1/+3
2020-09-18	dpdk: prevent linking dpdk against libbsd	Mohammed Hawari	1	-1/+16
2020-09-18	dpdk: call the meson-based build instead of Makefiles	Mohammed Hawari	2	-271/+220
2020-09-09	crypto: change cryptodev with new cryptodev API	Fan Zhang	1	-0/+1606
2020-08-31	af_xdp: AF_XDP input plugin	Benoît Ganne	2	-1/+57
2020-08-26	dpdk: bump to DPDK 20.08	Damjan Marion	1	-2/+3
2020-08-25	rdma: bump rdma-core version to v31.0	Benoît Ganne	1	-3/+2
2020-05-27	dpdk: bump to DPDK v20.05	Damjan Marion	1	-2/+6
2020-05-13	dpdk: DPDK 20.05 iavf fdir bug-fix patch cherry pick	Chenmin Sun	1	-0/+70
2020-05-08	dpdk: fix compiling issue with clang	Lijian.Zhang	1	-1/+2
2020-04-22	dpdk: DPDK 20.05 iavf flow director backporting to DPDK 20.02	Chenmin Sun	17	-0/+6436
2020-03-27	quic: Check quicly version tag at compile time	MathiasRaoul	13	-534/+23
2020-03-22	dpdk: false link down issue with ixgbe NIC	Lijian.Zhang	1	-0/+66
2020-03-12	rdma: cleanup rdma-core build	Benoît Ganne	1	-12/+9
2020-02-26	rdma: bunp rdma-core version to v28.0	Damjan Marion	1	-1/+2
2020-02-26	dpdk: bump dpdk version to 20.02	Damjan Marion	1	-2/+2
2020-02-04	dpdk: patch ixgbe driver to solve race condition	Matthew Smith	1	-0/+49
2020-01-31	quic: update quicly to v0.0.10-vpp	MathiasRaoul	2	-2/+62
2020-01-06	quic: update quicly to v0.0.9-vpp	MathiasRaoul	2	-2/+62
2019-12-17	quic: update quicly to v0.0.8-vpp	MathiasRaoul	2	-2/+62
2019-12-06	quic: update quicly to v0.0.7-vpp	MathiasRaoul	2	-2/+62
2019-11-25	quic: update quicly to v0.0.6-vpp	MathiasRaoul	3	-2/+95
2019-11-22	crypto-ipsecmb: bump to intel-ipsec-mb version 0.53	Fan Zhang	1	-2/+3
2019-11-16	quic: replace quicly patch with upstreamed fix	Dave Wallace	1	-10/+11
2019-11-14	dpdk: Enable bnxt PMD	Andy Gospodarek	1	-0/+1
2019-11-04	quic: fix quicly rtt time skew	Dave Wallace	1	-0/+15
2019-11-01	build: bump rdma-core version to 26.0	Damjan Marion	1	-3/+2
2019-10-31	build: bump nasm version to 2.14.02	Damjan Marion	2	-28/+2
2019-10-31	build: remove obsolete dpdk patches	Damjan Marion	2	-132/+0
2019-10-04	quic: update quicly to v0.0.5	MathiasRaoul	3	-4/+97
2019-09-30	build: build-root/Makefile rm of install tree	Burt Silverman	1	-0/+1
2019-08-21	dpdk: bump DPDK version to 19.08	Damjan Marion	1	-3/+2
2019-08-07	rdma: add missing symbols	Benoît Ganne	1	-1/+4
2019-08-05	rdma: bump rdma-core to 25.0	Benoît Ganne	1	-2/+3
2019-07-22	quic: move patch for quicly 0.0.3	Aloys Augustin	1	-0/+0
2019-07-22	quic: update quicly library	Aloys Augustin	3	-14/+2
2019-07-15	quic: integrate vpp crypto api for quic packets encryption	Mathias Raoul	1	-0/+33
2019-07-09	quic: fix passive disconnect handling & refactor	Nathan Skrzypczak	1	-0/+12
2019-07-01	build: vpp-ext-deps .rpm may not be installed	Dave Barach	1	-1/+1
2019-05-30	dpdk: remove bonding code	Damjan Marion	1	-1/+1
2019-05-30	dpdk: bump to 19.05	Damjan Marion	2	-1/+4

#!/usr/bin/env python import unittest from framework import VppTestCase, VppTestRunner from vpp_object import VppObject from vpp_neighbor import VppNeighbor from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable from vpp_ip import * from vpp_mac import * from vpp_papi_provider import L2_PORT_TYPE from scapy.packet import Raw from scapy.layers.l2 import Ether, ARP from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr, \ ICMPv6ND_NA from scapy.utils6 import in6_getnsma, in6_getnsmac from socket import AF_INET, AF_INET6 from scapy.utils import inet_pton, inet_ntop from util import mactobinary def find_gbp_endpoint(test, sw_if_index, ip=None, mac=None): vip = VppIpAddress(ip) eps = test.vapi.gbp_endpoint_dump() for ep in eps: if ep.endpoint.sw_if_index != sw_if_index: continue for eip in ep.endpoint.ips: if vip == eip: return True return False class VppGbpEndpoint(VppObject): """ GBP Endpoint """ @property def bin_mac(self): return mactobinary(self.itf.remote_mac) @property def mac(self): return self.itf.remote_mac @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): self._test = test self.itf = itf self.epg = epg self.recirc = recirc self._ip4 = VppIpAddress(ip4) self._fip4 = VppIpAddress(fip4) self._ip6 = VppIpAddress(ip6) self._fip6 = VppIpAddress(fip6) self.vmac = VppMacAddress(self.itf.remote_mac) def add_vpp_config(self): res = self._test.vapi.gbp_endpoint_add( self.itf.sw_if_index, [self.ip4.encode(), self.ip6.encode()], self.vmac.encode(), self.epg.epg) self.handle = res.handle self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_endpoint_del(self.handle) def __str__(self): return self.object_id() def object_id(self): return "gbp-endpoint;[%d:%s:%d]" % (self.itf.sw_if_index, self.ip4.address, self.epg.epg) def query_vpp_config(self): return find_gbp_endpoint(self._test, self.itf.sw_if_index, self.ip4.address) 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 add_vpp_config(self): self._test.vapi.gbp_recirc_add_del( 1, self.recirc.sw_if_index, self.epg.epg, self.is_ext) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_recirc_add_del( 0, self.recirc.sw_if_index, self.epg.epg, self.is_ext) def __str__(self): return self.object_id() 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 VppGbpSubnet(VppObject): """ GBP Subnet """ def __init__(self, test, table_id, address, address_len, is_internal=True, sw_if_index=None, epg=None): self._test = test self.table_id = table_id self.prefix = VppIpPrefix(address, address_len) self.is_internal = is_internal self.sw_if_index = sw_if_index self.epg = epg def add_vpp_config(self): self._test.vapi.gbp_subnet_add_del( 1, self.table_id, self.is_internal, self.prefix.encode(), sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff, epg_id=self.epg if self.epg else 0xffff) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_subnet_add_del( 0, self.table_id, self.is_internal, self.prefix.encode()) def __str__(self): return self.object_id() def object_id(self): return "gbp-subnet;[%d-%s]" % (self.table_id, self.prefix) def query_vpp_config(self): ss = self._test.vapi.gbp_subnet_dump() for s in ss: if s.subnet.table_id == self.table_id and \ s.subnet.prefix == self.prefix: return True return False class VppGbpEndpointGroup(VppObject): """ GBP Endpoint Group """ def __init__(self, test, epg, rd, bd, uplink, bvi, bvi_ip4, bvi_ip6=None): self._test = test self.uplink = uplink self.bvi = bvi self.bvi_ip4 = bvi_ip4 self.bvi_ip4_n = inet_pton(AF_INET, bvi_ip4) self.bvi_ip6 = bvi_ip6 self.bvi_ip6_n = inet_pton(AF_INET6, bvi_ip6) self.epg = epg self.bd = bd self.rd = rd def add_vpp_config(self): self._test.vapi.gbp_endpoint_group_add_del( 1, self.epg, self.bd, self.rd, self.rd, self.uplink.sw_if_index) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_endpoint_group_add_del( 0, self.epg, self.bd, self.rd, self.rd, self.uplink.sw_if_index) def __str__(self): return self.object_id() def object_id(self): return "gbp-endpoint-group;[%d]" % (self.epg) def query_vpp_config(self): epgs = self._test.vapi.gbp_endpoint_group_dump() for epg in epgs: if epg.epg.epg_id == self.epg: return True return False class VppGbpContract(VppObject): """ GBP Contract """ def __init__(self, test, src_epg, dst_epg, acl_index): self._test = test self.acl_index = acl_index self.src_epg = src_epg self.dst_epg = dst_epg def add_vpp_config(self): self._test.vapi.gbp_contract_add_del( 1, self.src_epg, self.dst_epg, self.acl_index) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_contract_add_del( 0, self.src_epg, self.dst_epg, self.acl_index) def __str__(self): return self.object_id() def object_id(self): return "gbp-contract;[%d:%s:%d]" % (self.src_epg, self.dst_epg, self.acl_index) def query_vpp_config(self): cs = self._test.vapi.gbp_contract_dump() for c in cs: if c.contract.src_epg == self.src_epg \ and c.contract.dst_epg == self.dst_epg: return True return False class VppGbpAcl(VppObject): """ GBP Acl """ def __init__(self, test): self._test = test self.acl_index = 4294967295 def create_rule(self, is_ipv6=0, permit_deny=0, proto=-1, s_prefix=0, s_ip='\x00\x00\x00\x00', sport_from=0, sport_to=65535, d_prefix=0, d_ip='\x00\x00\x00\x00', dport_from=0, dport_to=65535): if proto == -1 or proto == 0: sport_to = 0 dport_to = sport_to elif proto == 1 or proto == 58: sport_to = 255 dport_to = sport_to rule = ({'is_permit': permit_deny, 'is_ipv6': is_ipv6, 'proto': proto, 'srcport_or_icmptype_first': sport_from, 'srcport_or_icmptype_last': sport_to, 'src_ip_prefix_len': s_prefix, 'src_ip_addr': s_ip, 'dstport_or_icmpcode_first': dport_from, 'dstport_or_icmpcode_last': dport_to, 'dst_ip_prefix_len': d_prefix, 'dst_ip_addr': d_ip}) return rule def add_vpp_config(self, rules): reply = self._test.vapi.acl_add_replace(self.acl_index, r=rules, tag='GBPTest') self.acl_index = reply.acl_index return self.acl_index def remove_vpp_config(self): self._test.vapi.acl_del(self.acl_index) def __str__(self): return self.object_id() def object_id(self): return "gbp-acl;[%d]" % (self.acl_index) def query_vpp_config(self): cs = self._test.vapi.acl_dump() for c in cs: if c.acl_index == self.acl_index: return True return False class TestGBP(VppTestCase): """ GBP Test Case """ def setUp(self): super(TestGBP, self).setUp() self.create_pg_interfaces(range(9)) self.create_loopback_interfaces(9) self.router_mac = "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.vapi.sw_interface_set_mac_address( i.sw_if_index, mactobinary(self.router_mac)) def tearDown(self): for i in self.pg_interfaces: i.admin_down() super(TestGBP, self).tearDown() 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_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, 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, 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 test_gbp(self): """ Group Based Policy """ nat_table = VppIpTable(self, 20) nat_table.add_vpp_config() nat_table = VppIpTable(self, 20, is_ip6=True) nat_table.add_vpp_config() # # Bridge Domains # self.vapi.bridge_domain_add_del(1, flood=1, uu_flood=1, forward=1, learn=0, arp_term=1, is_add=1) self.vapi.bridge_domain_add_del(2, flood=1, uu_flood=1, forward=1, learn=0, arp_term=1, is_add=1) self.vapi.bridge_domain_add_del(20, flood=1, uu_flood=1, forward=1, learn=0, arp_term=1, is_add=1) # # 3 EPGs, 2 of which share a BD. # 2 NAT EPGs, one for floating-IP subnets, the other for internet # epgs = [VppGbpEndpointGroup(self, 220, 0, 1, self.pg4, self.loop0, "10.0.0.128", "2001:10::128"), VppGbpEndpointGroup(self, 221, 0, 1, self.pg5, self.loop0, "10.0.1.128", "2001:10:1::128"), VppGbpEndpointGroup(self, 222, 0, 2, self.pg6, self.loop1, "10.0.2.128", "2001:10:2::128"), VppGbpEndpointGroup(self, 333, 20, 20, self.pg7, self.loop2, "11.0.0.128", "3001::128"), VppGbpEndpointGroup(self, 444, 20, 20, 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.loop8, 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")] # # 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]: epg.bvi.set_table_ip4(epg.rd) epg.bvi.set_table_ip6(epg.rd) # The BVIs are NAT inside interfaces self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index, is_inside=1, is_add=1) self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index, is_inside=1, is_add=1) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip4_n, 32) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip6_n, 128, is_ipv6=True) # EPG uplink interfaces in the BD epg.uplink.set_table_ip4(epg.rd) epg.uplink.set_table_ip6(epg.rd) self.vapi.sw_interface_set_l2_bridge(epg.uplink.sw_if_index, epg.bd) # add the BD ARP termination entry for BVI IP self.vapi.bd_ip_mac_add_del(bd_id=epg.bd, mac=mactobinary(self.router_mac), ip=epg.bvi_ip4_n, is_ipv6=0, is_add=1) self.vapi.bd_ip_mac_add_del(bd_id=epg.bd, mac=mactobinary(self.router_mac), ip=epg.bvi_ip6_n, is_ipv6=1, is_add=1) # epg[1] shares the same BVI to epg[0] if epg != epgs[1] and epg != epgs[4]: # BVI in BD self.vapi.sw_interface_set_l2_bridge( epg.bvi.sw_if_index, epg.bd, port_type=L2_PORT_TYPE.BVI) # BVI L2 FIB entry self.vapi.l2fib_add_del(self.router_mac, epg.bd, epg.bvi.sw_if_index, is_add=1, bvi_mac=1) # EPG in VPP epg.add_vpp_config() for recirc in recircs: # EPG's ingress recirculation interface maps to its RD recirc.recirc.set_table_ip4(recirc.epg.rd) recirc.recirc.set_table_ip6(recirc.epg.rd) # in the bridge to allow DVR. L2 emulation to punt to L3 self.vapi.sw_interface_set_l2_bridge(recirc.recirc.sw_if_index, recirc.epg.bd) self.vapi.sw_interface_set_l2_emulation( recirc.recirc.sw_if_index) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, is_add=1) self.vapi.nat66_add_del_interface( recirc.recirc.sw_if_index, is_inside=0, is_add=1) recirc.add_vpp_config() ep_routes = [] ep_arps = [] 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): r = VppIpRoute(self, ip.address, ip.length, [VppRoutePath(ip.address, ep.epg.bvi.sw_if_index, proto=ip.dpo_proto)], is_ip6=ip.is_ip6) r.add_vpp_config() ep_routes.append(r) # # ARP entries for the endpoints # a = VppNeighbor(self, ep.epg.bvi.sw_if_index, ep.itf.remote_mac, ip.address, af=ip.af) a.add_vpp_config() ep_arps.append(a) # add the BD ARP termination entry self.vapi.bd_ip_mac_add_del(bd_id=ep.epg.bd, mac=ep.bin_mac, ip=ip.bytes, is_ipv6=ip.is_ip6, is_add=1) # Add static mappings for each EP from the 10/8 to 11/8 network if ip.af == AF_INET: self.vapi.nat44_add_del_static_mapping(ip.bytes, fip.bytes, vrf_id=0, addr_only=1) else: self.vapi.nat66_add_del_static_mapping(ip.bytes, fip.bytes, vrf_id=0) # add each EP itf to the its BD self.vapi.sw_interface_set_l2_bridge(ep.itf.sw_if_index, ep.epg.bd) # L2 FIB entry self.vapi.l2fib_add_del(ep.mac, ep.epg.bd, ep.itf.sw_if_index, 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.is_ip6: self.assertTrue(p.haslayer(ICMPv6ND_NA)) self.assertEqual(p[ICMPv6ND_NA].tgt, ip.address) else: self.assertTrue(p.haslayer(ARP)) self.assertEqual(p[ARP].psrc, ip.address) self.assertEqual(p[ARP].pdst, ip.address) # add the BD ARP termination entry for floating IP for fip in ep.fips: self.vapi.bd_ip_mac_add_del(bd_id=epg_nat.bd, mac=ep.bin_mac, ip=fip.bytes, is_ipv6=fip.is_ip6, is_add=1) # 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.add_vpp_config() ep_routes.append(r) # L2 FIB entries in the NAT EPG BD to bridge the packets from # the outside direct to the internal EPG self.vapi.l2fib_add_del(ep.mac, epg_nat.bd, ep.recirc.recirc.sw_if_index, is_add=1) # # ARP packets for unknown IP are flooded # 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="10.0.0.88")) self.send_and_expect(self.pg0, [pkt_arp], self.pg0) # # 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.address)) self.send_and_expect(self.pg0, [pkt_arp], self.pg0) nsma = in6_getnsma(inet_pton(AF_INET6, eps[0].ip6.address)) d = inet_ntop(AF_INET6, nsma) pkt_nd = (Ether(dst=in6_getnsmac(nsma)) / IPv6(dst=d, src=eps[0].ip6.address) / 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.address, dst="232.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\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=self.router_mac) / IP(src=eps[0].ip4.address, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip4.address, dst="10.0.1.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, pkt_intra_epg_220_ip4 * 65) pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IPv6(src=eps[0].ip6.address, dst="2001:10::99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_222_ip6 * 65) # # Add the subnet routes # s41 = VppGbpSubnet(self, 0, "10.0.0.0", 24) s42 = VppGbpSubnet(self, 0, "10.0.1.0", 24) s43 = VppGbpSubnet(self, 0, "10.0.2.0", 24) s41.add_vpp_config() s42.add_vpp_config() s43.add_vpp_config() s61 = VppGbpSubnet(self, 0, "2001:10::1", 64) s62 = VppGbpSubnet(self, 0, "2001:10:1::1", 64) s63 = VppGbpSubnet(self, 0, "2001:10:2::1", 64) s61.add_vpp_config() s62.add_vpp_config() s63.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_intra_epg_220_ip4 * 65, self.pg4) self.send_and_expect_bridged(self.pg3, pkt_inter_epg_222_ip4 * 65, self.pg6) self.send_and_expect_bridged6(self.pg3, pkt_inter_epg_222_ip6 * 65, self.pg6) 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")) # # 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.address, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg0, pkt_intra_epg_220_to_uplink * 65, self.pg4) # ... 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.address, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg2, pkt_intra_epg_221_to_uplink * 65, self.pg5) # # 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.address, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg4, pkt_intra_epg_220_from_uplink * 65, 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.address, dst=eps[1].ip4.address) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1) # # in the abscense 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.address, dst=eps[2].ip4.address) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) 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)) pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac, dst=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(self.pg0, pkt_inter_epg_220_to_221 * 65) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # 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, 220, 221, acl_index) c1.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_inter_epg_220_to_221 * 65, self.pg2) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # contract for the return direction # c2 = VppGbpContract(self, 221, 220, acl_index) c2.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_inter_epg_220_to_221 * 65, self.pg2) self.send_and_expect_bridged(self.pg2, pkt_inter_epg_221_to_220 * 65, self.pg0) # # check that inter group is still disabled for the groups # not in the contract. # self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # A uni-directional contract from EPG 220 -> 222 'L3 routed' # c3 = VppGbpContract(self, 220, 222, acl_index) c3.add_vpp_config() self.logger.info(self.vapi.cli("sh gbp contract")) self.send_and_expect_routed(self.pg0, pkt_inter_epg_220_to_222 * 65, self.pg3, 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(self.pg2, pkt_inter_epg_221_to_220 * 65) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221 * 65) self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1) # # EPs to the outside world # # in the EP's RD an external subnet via the NAT EPG's recirc se1 = VppGbpSubnet(self, 0, "0.0.0.0", 0, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg) se1.add_vpp_config() se2 = VppGbpSubnet(self, 0, "11.0.0.0", 8, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg) se2.add_vpp_config() se16 = VppGbpSubnet(self, 0, "::", 0, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg) se16.add_vpp_config() # in the NAT RD an external subnet via the NAT EPG's uplink se3 = VppGbpSubnet(self, 20, "0.0.0.0", 0, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg) se36 = VppGbpSubnet(self, 20, "::", 0, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg) se4 = VppGbpSubnet(self, 20, "11.0.0.0", 8, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg) 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 addess: IN2OUT # pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip4.address, dst="1.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) # no policy yet self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_global * 65) acl2 = VppGbpAcl(self) rule = acl2.create_rule(permit_deny=1, proto=17, sport_from=1234, sport_to=1234, dport_from=1234, dport_to=1234) rule2 = acl2.create_rule(is_ipv6=1, permit_deny=1, proto=17, sport_from=1234, sport_to=1234, dport_from=1234, dport_to=1234) acl_index2 = acl2.add_vpp_config([rule, rule2]) c4 = VppGbpContract(self, 220, 333, acl_index2) c4.add_vpp_config() self.send_and_expect_natted(self.pg0, pkt_inter_epg_220_to_global * 65, self.pg7, eps[0].fip4.address) pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IPv6(src=eps[0].ip6.address, dst="6001::1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_natted6(self.pg0, pkt_inter_epg_220_to_global * 65, self.pg7, eps[0].fip6.address) # # From a global address to an EP: OUT2IN # pkt_inter_epg_220_from_global = (Ether(src=self.router_mac, dst=self.pg0.remote_mac) / IP(dst=eps[0].fip4.address, src="1.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg7, pkt_inter_epg_220_from_global * 65) c5 = VppGbpContract(self, 333, 220, acl_index2) c5.add_vpp_config() self.send_and_expect_unnatted(self.pg7, pkt_inter_epg_220_from_global * 65, eps[0].itf, eps[0].ip4.address) pkt_inter_epg_220_from_global = (Ether(src=self.router_mac, dst=self.pg0.remote_mac) / IPv6(dst=eps[0].fip6.address, src="6001::1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_unnatted6(self.pg7, pkt_inter_epg_220_from_global * 65, eps[0].itf, eps[0].ip6.address) # # 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=self.router_mac) / IP(src=eps[0].ip4.address, dst=eps[1].fip4.address) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_double_natted(eps[0].itf, pkt_intra_epg_220_global * 65, eps[1].itf, eps[0].fip4.address, eps[1].ip4.address) pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IPv6(src=eps[0].ip6.address, dst=eps[1].fip6.address) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_double_natted6(eps[0].itf, pkt_intra_epg_220_global * 65, eps[1].itf, eps[0].fip6.address, eps[1].ip6.address) # # cleanup # for ep in eps: # del static mappings for each EP from the 10/8 to 11/8 network self.vapi.nat44_add_del_static_mapping(ep.ip4.bytes, ep.fip4.bytes, vrf_id=0, addr_only=1, is_add=0) self.vapi.nat66_add_del_static_mapping(ep.ip6.bytes, ep.fip6.bytes, vrf_id=0, is_add=0) for epg in epgs: # IP config on the BVI interfaces self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip4_n, 32, is_add=0) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip6_n, 128, is_add=0, is_ipv6=True) self.logger.info(self.vapi.cli("sh int addr")) epg.uplink.set_table_ip4(0) epg.uplink.set_table_ip6(0) if epg != epgs[0] and epg != epgs[3]: epg.bvi.set_table_ip4(0) epg.bvi.set_table_ip6(0) self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index, is_inside=1, is_add=0) self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index, is_inside=1, is_add=0) for recirc in recircs: recirc.recirc.set_table_ip4(0) recirc.recirc.set_table_ip6(0) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, is_add=0) self.vapi.nat66_add_del_interface( recirc.recirc.sw_if_index, is_inside=0, is_add=0) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)