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path: root/src/vnet/gre
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2019-12-19gre: multipoint ingress lookup fixNeale Ranns3-59/+176
2019-12-10api: multiple connections per processDave Barach1-1/+1
2019-12-04gre: Multi-point interfacesNeale Ranns5-119/+239
2019-12-03fib: constify the adjacency in the rewrite nodesNeale Ranns1-2/+2
2019-06-18ipsec: ipsec-tun protectNeale Ranns1-0/+24
2019-06-07gre: update gre.api with explicit typesOle Troan1-6/+5
2019-05-28gre: don't register gre input nodes unless a gre tunnel is createdJakub Grajciar2-3/+4
2019-04-22GRE: set gre_tunnel_type init value to zero in APIAlexander Chernavin1-1/+1
2019-04-18GRE: API updateNeale Ranns4-88/+136
2019-04-08fixing typosJim Thompson1-1/+1
2019-03-26ADJ: midchain delegate to performing stackingNeale Ranns2-94/+7
2019-03-26Convert GRE nodes to new buffer APIs and multiarchBenoît Ganne2-618/+470
2019-03-13VPP-1576: fix a set of coverity warningsDave Barach1-2/+2
2019-03-05gre: migrate old MULTIARCH macros to VLIB_NODE_FNFilip Tehlar2-19/+20
2018-12-07FIB recusrion loop checks traverse midchain adjacenciesNeale Ranns2-39/+12
2018-10-23c11 safe string handling supportDave Barach4-9/+9
2018-10-19vppinfra: add atomic macros for __sync builtinsSirshak Das1-3/+3
2018-09-25L2 BD: introduce a BD interface on which to send UU packetsNeale Ranns1-1/+2
2018-09-19GRE: fix 4o6 and 6o4 adj stackingNeale Ranns1-3/+3
2018-09-08L2 BVI/FIB: Update L2 FIB table when BVI's MAC changesNeale Ranns1-0/+1
2018-07-23fix vector index range checksEyal Bari1-1/+1
2018-07-11avoid using thread local storage for thread indexDamjan Marion1-1/+1
2018-06-11MTU: Software interface / Per-protocol MTU supportOle Troan1-4/+1
2018-05-23VPP-1283: IPv6 PMTU missing MTU value in ICMP6 message.Ole Troan1-2/+2
2018-05-04Harmonize vec/pool_get_aligned object sizes and alignment requestsDave Barach1-0/+5
2018-04-13Revert "MTU: Setting of MTU on software interface (instead of hardware interf...Damjan Marion1-1/+5
2018-04-13MTU: Setting of MTU on software interface (instead of hardware interface)Ole Troan1-5/+1
2018-04-12Fixes for 'make UNATTENDED=yes CC=clang CXX=clang verify'Neale Ranns1-21/+1
2018-03-01Fix ERSPAN encap to set EN bits in the header and add test caseJohn Lo2-9/+12
2018-02-16Minor VXLAN/GRE Tunnel Encap Optimization and CleanupJohn Lo2-15/+20
2018-02-15Optimize GRE Tunnel and add support for ERSPAN encapJohn Lo7-338/+677
2018-01-30Allow the provider of a midchain adjacency to pass context data that is retur...Neale Ranns1-4/+7
2018-01-23VPPAPIGEN: vppapigen replacement in Python PLY.Ole Troan1-1/+1
2018-01-13Improve "show xxx tunnel" and "show int addr" outputJohn Lo1-23/+7
2018-01-11api: remove transport specific code from handlersFlorin Coras1-10/+8
2018-01-09api: refactor vlibmemoryFlorin Coras1-2/+2
2018-01-09GRE tunnel key should use fib_index instead of fib_id (VPP-1118)John Lo1-12/+1
2018-01-06GRE tunnel key should use fib_index instead of fib_id (VPP-1118)John Lo1-2/+11
2017-12-16GRE tunnel key includes the FIB tableNeale Ranns4-137/+219
2017-12-13GRE: fix single loop decap and add testNeale Ranns1-1/+1
2017-11-27VPP-253 Coding standards cleanup - vnet/vnet/greSwarup Nayak6-878/+968
2017-11-26FIB: store the node type not the function pointer.Neale Ranns1-2/+0
2017-10-24Add extern to *_main global variable declarations in header files.Dave Wallace1-1/+1
2017-10-09vppapigen: support per-file (major,minor,patch) version stampsDave Barach1-0/+2
2017-10-04[aarch64] Fixes CLI crashes on dpaa2 platform.Christophe Fontaine1-1/+1
2017-04-13Remove unsed parameter from fib_table_entry_special_add() (only used in FIB t...Neale Ranns1-2/+1
2017-04-06Use thread local storage for thread indexDamjan Marion1-4/+4
2017-04-05GRE over IPv6Ciara Loftus5-165/+533
2017-04-04Fix issue with gre protocol registration when running multithreadedDamjan Marion2-39/+15
2017-04-03Adjacency layout change and move to vnet/adjNeale Ranns1-2/+2
ate pg interfaces cls.create_pg_interfaces( range(cls.nr_of_vrfs * cls.pg_ifs_per_vrf)) # Packet flows mapping pg0 -> pg1, pg2 etc. cls.flows = dict() for i in range(len(cls.pg_interfaces)): multiplicand = i // cls.pg_ifs_per_vrf pg_list = [ cls.pg_interfaces[multiplicand * cls.pg_ifs_per_vrf + j] for j in range(cls.pg_ifs_per_vrf) if (multiplicand * cls.pg_ifs_per_vrf + j) != i] cls.flows[cls.pg_interfaces[i]] = pg_list # Packet sizes - jumbo packet (9018 bytes) skipped cls.pg_if_packet_sizes = [64, 512, 1518] # Set up all interfaces for pg_if in cls.pg_interfaces: pg_if.admin_up() pg_if.generate_remote_hosts(cls.hosts_per_pg) # Create list of VRFs cls.vrf_list = list() # Create list of reset VRFs cls.vrf_reset_list = list() # Create list of pg_interfaces in VRFs cls.pg_in_vrf = list() # Create list of pg_interfaces not in VRFs cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces] # Create mapping of pg_interfaces to VRF IDs cls.pg_if_by_vrf_id = dict() for i in range(cls.nr_of_vrfs): vrf_id = i + 1 pg_list = [ cls.pg_interfaces[i * cls.pg_ifs_per_vrf + j] for j in range(cls.pg_ifs_per_vrf)] cls.pg_if_by_vrf_id[vrf_id] = pg_list except Exception: super(TestIp4VrfMultiInst, cls).tearDownClass() raise @classmethod def tearDownClass(cls): super(TestIp4VrfMultiInst, cls).tearDownClass() def setUp(self): """ Clear trace and packet infos before running each test. """ super(TestIp4VrfMultiInst, self).setUp() self.reset_packet_infos() def tearDown(self): """ Show various debug prints after each test. """ super(TestIp4VrfMultiInst, self).tearDown() def show_commands_at_teardown(self): self.logger.info(self.vapi.ppcli("show ip fib")) self.logger.info(self.vapi.ppcli("show ip4 neighbors")) def create_vrf_and_assign_interfaces(self, count, start=1): """ Create required number of FIB tables / VRFs, put 3 pg-ip4 interfaces to every FIB table / VRF. :param int count: Number of FIB tables / VRFs to be created. :param int start: Starting number of the FIB table / VRF ID. \ (Default value = 1) """ for i in range(count): vrf_id = i + start pg_if = self.pg_if_by_vrf_id[vrf_id][0] self.vapi.ip_table_add_del(is_add=1, table={'table_id': vrf_id}) self.logger.info("IPv4 VRF ID %d created" % vrf_id) if vrf_id not in self.vrf_list: self.vrf_list.append(vrf_id) if vrf_id in self.vrf_reset_list: self.vrf_reset_list.remove(vrf_id) for j in range(self.pg_ifs_per_vrf): pg_if = self.pg_if_by_vrf_id[vrf_id][j] pg_if.set_table_ip4(vrf_id) self.logger.info("pg-interface %s added to IPv4 VRF ID %d" % (pg_if.name, vrf_id)) if pg_if not in self.pg_in_vrf: self.pg_in_vrf.append(pg_if) if pg_if in self.pg_not_in_vrf: self.pg_not_in_vrf.remove(pg_if) pg_if.config_ip4() pg_if.configure_ipv4_neighbors() self.logger.debug(self.vapi.ppcli("show ip fib")) self.logger.debug(self.vapi.ppcli("show ip4 neighbors")) def reset_vrf_and_remove_from_vrf_list(self, vrf_id): """ Reset required FIB table / VRF and remove it from VRF list. :param int vrf_id: The FIB table / VRF ID to be reset. """ self.vapi.ip_table_flush(table={'table_id': vrf_id}) if vrf_id in self.vrf_list: self.vrf_list.remove(vrf_id) if vrf_id not in self.vrf_reset_list: self.vrf_reset_list.append(vrf_id) for j in range(self.pg_ifs_per_vrf): pg_if = self.pg_if_by_vrf_id[vrf_id][j] pg_if.unconfig_ip4() if pg_if in self.pg_in_vrf: self.pg_in_vrf.remove(pg_if) if pg_if not in self.pg_not_in_vrf: self.pg_not_in_vrf.append(pg_if) self.logger.info("IPv4 VRF ID %d reset finished" % vrf_id) self.logger.debug(self.vapi.ppcli("show ip fib")) self.logger.debug(self.vapi.ppcli("show ip neighbors")) self.vapi.ip_table_add_del(is_add=0, table={'table_id': vrf_id}) def create_stream(self, src_if, packet_sizes): """ Create input packet stream for defined interface using hosts list. :param object src_if: Interface to create packet stream for. :param list packet_sizes: List of required packet sizes. :return: Stream of packets. """ pkts = [] src_hosts = src_if.remote_hosts for dst_if in self.flows[src_if]: for dst_host in dst_if.remote_hosts: src_host = random.choice(src_hosts) pkt_info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(pkt_info) p = (Ether(dst=src_if.local_mac, src=src_host.mac) / IP(src=src_host.ip4, dst=dst_host.ip4) / UDP(sport=1234, dport=1234) / Raw(payload)) pkt_info.data = p.copy() size = random.choice(packet_sizes) self.extend_packet(p, size) pkts.append(p) self.logger.debug("Input stream created for port %s. Length: %u pkt(s)" % (src_if.name, len(pkts))) return pkts def create_stream_crosswise_vrf(self, src_if, vrf_id, packet_sizes): """ Create input packet stream for negative test for leaking across different VRFs for defined interface using hosts list. :param object src_if: Interface to create packet stream for. :param int vrf_id: The FIB table / VRF ID where src_if is assigned. :param list packet_sizes: List of required packet sizes. :return: Stream of packets. """ pkts = [] src_hosts = src_if.remote_hosts vrf_lst = list(self.vrf_list) vrf_lst.remove(vrf_id) for vrf in vrf_lst: for dst_if in self.pg_if_by_vrf_id[vrf]: for dst_host in dst_if.remote_hosts: src_host = random.choice(src_hosts) pkt_info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(pkt_info) p = (Ether(dst=src_if.local_mac, src=src_host.mac) / IP(src=src_host.ip4, dst=dst_host.ip4) / UDP(sport=1234, dport=1234) / Raw(payload)) pkt_info.data = p.copy() size = random.choice(packet_sizes) self.extend_packet(p, size) pkts.append(p) self.logger.debug("Input stream created for port %s. Length: %u pkt(s)" % (src_if.name, len(pkts))) return pkts def verify_capture(self, pg_if, capture): """ Verify captured input packet stream for defined interface. :param object pg_if: Interface to verify captured packet stream for. :param list capture: Captured packet stream. """ last_info = dict() for i in self.pg_interfaces: last_info[i.sw_if_index] = None dst_sw_if_index = pg_if.sw_if_index for packet in capture: try: ip = packet[IP] udp = packet[UDP] payload_info = self.payload_to_info(packet[Raw]) packet_index = payload_info.index self.assertEqual(payload_info.dst, dst_sw_if_index) self.logger.debug("Got packet on port %s: src=%u (id=%u)" % (pg_if.name, payload_info.src, packet_index)) next_info = self.get_next_packet_info_for_interface2( payload_info.src, dst_sw_if_index, last_info[payload_info.src]) last_info[payload_info.src] = next_info self.assertIsNotNone(next_info) self.assertEqual(packet_index, next_info.index) saved_packet = next_info.data # Check standard fields self.assertEqual(ip.src, saved_packet[IP].src) self.assertEqual(ip.dst, saved_packet[IP].dst) self.assertEqual(udp.sport, saved_packet[UDP].sport) self.assertEqual(udp.dport, saved_packet[UDP].dport) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise for i in self.pg_interfaces: remaining_packet = self.get_next_packet_info_for_interface2( i, dst_sw_if_index, last_info[i.sw_if_index]) self.assertIsNone( remaining_packet, "Port %u: Packet expected from source %u didn't arrive" % (dst_sw_if_index, i.sw_if_index)) def verify_vrf(self, vrf_id): """ Check if the FIB table / VRF ID is configured. :param int vrf_id: The FIB table / VRF ID to be verified. :return: 1 if the FIB table / VRF ID is configured, otherwise return 0. """ ip_fib_dump = self.vapi.ip_route_dump(vrf_id) vrf_exist = len(ip_fib_dump) vrf_count = 0 for ip_fib_details in ip_fib_dump: addr = ip_fib_details.route.prefix.network_address found = False for pg_if in self.pg_if_by_vrf_id[vrf_id]: if found: break for host in pg_if.remote_hosts: if str(addr) == host.ip4: vrf_count += 1 found = True break if not vrf_exist and vrf_count == 0: self.logger.info("IPv4 VRF ID %d is not configured" % vrf_id) return VRFState.not_configured elif vrf_exist and vrf_count == 0: self.logger.info("IPv4 VRF ID %d has been reset" % vrf_id) return VRFState.reset else: self.logger.info("IPv4 VRF ID %d is configured" % vrf_id) return VRFState.configured def run_verify_test(self): """ Create packet streams for all configured pg interfaces, send all \ prepared packet streams and verify that: - all packets received correctly on all pg-ip4 interfaces assigned to VRFs - no packet received on all pg-ip4 interfaces not assigned to VRFs :raise RuntimeError: If no packet captured on pg-ip4 interface assigned to VRF or if any packet is captured on pg-ip4 interface not assigned to VRF. """ # Test # Create incoming packet streams for packet-generator interfaces for pg_if in self.pg_interfaces: pkts = self.create_stream(pg_if, self.pg_if_packet_sizes) pg_if.add_stream(pkts) # Enable packet capture and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify # Verify outgoing packet streams per packet-generator interface for pg_if in self.pg_interfaces: if pg_if in self.pg_in_vrf: capture = pg_if.get_capture(remark="interface is in VRF") self.verify_capture(pg_if, capture) elif pg_if in self.pg_not_in_vrf: pg_if.assert_nothing_captured(remark="interface is not in VRF", filter_out_fn=is_ipv4_misc) self.logger.debug("No capture for interface %s" % pg_if.name) else: raise Exception("Unknown interface: %s" % pg_if.name) def run_crosswise_vrf_test(self): """ Create packet streams for every pg-ip4 interface in VRF towards all pg-ip4 interfaces in other VRFs, send all prepared packet streams and \ verify that: - no packet received on all configured pg-ip4 interfaces :raise RuntimeError: If any packet is captured on any pg-ip4 interface. """ # Test # Create incoming packet streams for packet-generator interfaces for vrf_id in self.vrf_list: for pg_if in self.pg_if_by_vrf_id[vrf_id]: pkts = self.create_stream_crosswise_vrf( pg_if, vrf_id, self.pg_if_packet_sizes) pg_if.add_stream(pkts) # Enable packet capture and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify # Verify outgoing packet streams per packet-generator interface for pg_if in self.pg_interfaces: pg_if.assert_nothing_captured(remark="interface is in other VRF", filter_out_fn=is_ipv4_misc) self.logger.debug("No capture for interface %s" % pg_if.name) def test_ip4_vrf_01(self): """ IP4 VRF Multi-instance test 1 - create 4 VRFs """ # Config 1 # Create 4 VRFs self.create_vrf_and_assign_interfaces(4) # Verify 1 for vrf_id in self.vrf_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.configured, VRFState) # Test 1 self.run_verify_test() self.run_crosswise_vrf_test() def test_ip4_vrf_02(self): """ IP4 VRF Multi-instance test 2 - reset 2 VRFs """ # Config 2 # Reset 2 VRFs self.reset_vrf_and_remove_from_vrf_list(1) self.reset_vrf_and_remove_from_vrf_list(2) # Verify 2 for vrf_id in self.vrf_reset_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.reset, VRFState) for vrf_id in self.vrf_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.configured, VRFState) # Test 2 self.run_verify_test() self.run_crosswise_vrf_test() def test_ip4_vrf_03(self): """ IP4 VRF Multi-instance 3 - add 2 VRFs """ # Config 3 # Add 1 of reset VRFs and 1 new VRF self.create_vrf_and_assign_interfaces(1) self.create_vrf_and_assign_interfaces(1, start=5) # Verify 3 for vrf_id in self.vrf_reset_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.reset, VRFState) for vrf_id in self.vrf_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.configured, VRFState) # Test 3 self.run_verify_test() self.run_crosswise_vrf_test() def test_ip4_vrf_04(self): """ IP4 VRF Multi-instance test 4 - reset 4 VRFs """ # Config 4 # Reset all VRFs (i.e. no VRF except VRF=0 configured) for i in range(len(self.vrf_list)): self.reset_vrf_and_remove_from_vrf_list(self.vrf_list[0]) # Verify 4 for vrf_id in self.vrf_reset_list: self.assert_equal(self.verify_vrf(vrf_id), VRFState.reset, VRFState) vrf_list_length = len(self.vrf_list) self.assertEqual( vrf_list_length, 0, "List of configured VRFs is not empty: %s != 0" % vrf_list_length) # Test 4 self.run_verify_test() self.run_crosswise_vrf_test() if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)