vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2019-11-05	misc: Fix python scripts shebang line	Renato Botelho do Couto	1	-1/+1
2019-04-11	Tests: Refactor tearDown show command logging, add lifecycle markers.	Paul Vinciguerra	1	-1/+3
2019-04-10	Tests Cleanup: Fix missing calls to setUpClass/tearDownClass.	Paul Vinciguerra	1	-0/+4
2019-03-11	vpp_papi_provider: Remove more wrapper functions.	Ole Troan	1	-7/+7
2019-03-07	Tests: Refactor payload_to_info()	Paul Vinciguerra	1	-1/+1
2019-03-04	test framework: Fix wrapper functions to match API message names.	Ole Troan	1	-4/+4
2018-12-18	PAPI: Add MACAddress object wrapper for vl_api_mac_address_t	Ole Troan	1	-2/+3
2018-11-23	VPP-1476: L2fib failures in master	Pavel Kotucek	1	-7/+8
2018-03-14	Improve l2_macs_events API to provide MAC move information	John Lo	1	-2/+7
2017-10-09	TEST,L2-FIB:refactor test-removing shared state	Eyal Bari	1	-179/+135
2017-10-03	L2FIB,TEST:add max macs in event test	eyal bari	1	-0/+22
2017-10-02	L2-FIB:add mac learn events test	Eyal Bari	1	-0/+18
2017-06-19	L2FWD:fix seq_num overwritten + validate l2fib entries when forwarding	Eyal Bari	1	-3/+0
2017-06-12	L2FIB:fix crash in show with deleted subif entries	Eyal Bari	1	-0/+3
2017-05-24	TEST/L2BD:fix flush tests	Eyal Bari	1	-66/+107
2017-05-22	Skip L2 FIB flush tests	Neale Ranns	1	-0/+9
2017-05-16	L2FIB: add flush test	Eyal Bari	1	-103/+198
2017-01-11	make test: improve documentation and PEP8 compliance	Klement Sekera	1	-5/+6
2016-12-23	make test: improve handling of packet captures	Klement Sekera	1	-7/+3
2016-12-16	make test: improve robustness and performance	Klement Sekera	1	-11/+3
2016-11-23	CSIT-473: L2 FIB tests	Jan	1	-0/+390

#!/usr/bin/env python import binascii import socket import unittest from framework import VppTestCase, VppTestRunner from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP, TCP from util import ppp class TestClassifier(VppTestCase): """ Classifier Test Case """ @classmethod def setUpClass(cls): """ Perform standard class setup (defined by class method setUpClass in class VppTestCase) before running the test case, set test case related variables and configure VPP. """ super(TestClassifier, cls).setUpClass() cls.acl_active_table = '' @classmethod def tearDownClass(cls): super(TestClassifier, cls).tearDownClass() def setUp(self): """ Perform test setup before test case. **Config:** - create 4 pg interfaces - untagged pg0/pg1/pg2 interface pg0 -------> pg1 (IP ACL) \ ---> pg2 (MAC ACL)) \ -> pg3 (PBR) - setup interfaces: - put it into UP state - set IPv4 addresses - resolve neighbor address using ARP :ivar list interfaces: pg interfaces. :ivar list pg_if_packet_sizes: packet sizes in test. :ivar dict acl_tbl_idx: ACL table index. :ivar int pbr_vrfid: VRF id for PBR test. """ self.reset_packet_infos() super(TestClassifier, self).setUp() # create 4 pg interfaces self.create_pg_interfaces(range(4)) # packet sizes to test self.pg_if_packet_sizes = [64, 9018] self.interfaces = list(self.pg_interfaces) # ACL & PBR vars self.acl_tbl_idx = {} self.pbr_vrfid = 200 # setup all interfaces for intf in self.interfaces: intf.admin_up() intf.config_ip4() intf.resolve_arp() def tearDown(self): """Run standard test teardown and acl related log.""" if not self.vpp_dead: if self.acl_active_table == 'ip_out': self.output_acl_set_interface( self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0) self.acl_active_table = '' elif self.acl_active_table != '': self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0) self.acl_active_table = '' for intf in self.interfaces: intf.unconfig_ip4() intf.admin_down() super(TestClassifier, self).tearDown() def show_commands_at_teardown(self): self.logger.info(self.vapi.ppcli("show inacl type ip4")) self.logger.info(self.vapi.ppcli("show outacl type ip4")) self.logger.info(self.vapi.cli("show classify table verbose")) self.logger.info(self.vapi.cli("show ip fib")) def config_pbr_fib_entry(self, intf, is_add=1): """Configure fib entry to route traffic toward PBR VRF table :param VppInterface intf: destination interface to be routed for PBR. """ addr_len = 24 self.vapi.ip_add_del_route(dst_address=intf.local_ip4n, dst_address_length=addr_len, next_hop_address=intf.remote_ip4n, table_id=self.pbr_vrfid, is_add=is_add) def create_stream(self, src_if, dst_if, packet_sizes, proto_l=UDP(sport=1234, dport=5678)): """Create input packet stream for defined interfaces. :param VppInterface src_if: Source Interface for packet stream. :param VppInterface dst_if: Destination Interface for packet stream. :param list packet_sizes: packet size to test. :param Scapy proto_l: Required IP protocol. Default protocol is UDP. """ pkts = [] for size in packet_sizes: info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(info) p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / proto_l / Raw(payload)) info.data = p.copy() self.extend_packet(p, size) pkts.append(p) return pkts def verify_capture(self, dst_if, capture, proto_l=UDP): """Verify captured input packet stream for defined interface. :param VppInterface dst_if: Interface to verify captured packet stream. :param list capture: Captured packet stream. :param Scapy proto_l: Required IP protocol. Default protocol is UDP. """ self.logger.info("Verifying capture on interface %s" % dst_if.name) last_info = dict() for i in self.interfaces: last_info[i.sw_if_index] = None dst_sw_if_index = dst_if.sw_if_index for packet in capture: try: ip_received = packet[IP] proto_received = packet[proto_l] 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)" % (dst_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.assertTrue(next_info is not None) self.assertEqual(packet_index, next_info.index) saved_packet = next_info.data ip_saved = saved_packet[IP] proto_saved = saved_packet[proto_l] # Check standard fields self.assertEqual(ip_received.src, ip_saved.src) self.assertEqual(ip_received.dst, ip_saved.dst) self.assertEqual(proto_received.sport, proto_saved.sport) self.assertEqual(proto_received.dport, proto_saved.dport) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise for i in self.interfaces: remaining_packet = self.get_next_packet_info_for_interface2( i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index]) self.assertTrue(remaining_packet is None, "Interface %s: Packet expected from interface %s " "didn't arrive" % (dst_if.name, i.name)) 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_fib_dump() vrf_count = 0 for ip_fib_details in ip_fib_dump: if ip_fib_details[2] == vrf_id: vrf_count += 1 if vrf_count == 0: self.logger.info("IPv4 VRF ID %d is not configured" % vrf_id) return 0 else: self.logger.info("IPv4 VRF ID %d is configured" % vrf_id) return 1 @staticmethod def build_ip_mask(proto='', src_ip='', dst_ip='', src_port='', dst_port=''): """Build IP ACL mask data with hexstring format. :param str proto: protocol number <0-ff> :param str src_ip: source ip address <0-ffffffff> :param str dst_ip: destination ip address <0-ffffffff> :param str src_port: source port number <0-ffff> :param str dst_port: destination port number <0-ffff> """ return ('{!s:0>20}{!s:0>12}{!s:0>8}{!s:0>4}{!s:0>4}'.format( proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0') @staticmethod def build_ip_match(proto=0, src_ip='', dst_ip='', src_port=0, dst_port=0): """Build IP ACL match data with hexstring format. :param int proto: protocol number with valid option "x" :param str src_ip: source ip address with format of "x.x.x.x" :param str dst_ip: destination ip address with format of "x.x.x.x" :param int src_port: source port number "x" :param int dst_port: destination port number "x" """ if src_ip: src_ip = binascii.hexlify(socket.inet_aton(src_ip)) if dst_ip: dst_ip = binascii.hexlify(socket.inet_aton(dst_ip)) return ('{!s:0>20}{!s:0>12}{!s:0>8}{!s:0>4}{!s:0>4}'.format( hex(proto)[2:], src_ip, dst_ip, hex(src_port)[2:], hex(dst_port)[2:])).rstrip('0') @staticmethod def build_mac_mask(dst_mac='', src_mac='', ether_type=''): """Build MAC ACL mask data with hexstring format. :param str dst_mac: source MAC address <0-ffffffffffff> :param str src_mac: destination MAC address <0-ffffffffffff> :param str ether_type: ethernet type <0-ffff> """ return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format( dst_mac, src_mac, ether_type)).rstrip('0') @staticmethod def build_mac_match(dst_mac='', src_mac='', ether_type=''): """Build MAC ACL match data with hexstring format. :param str dst_mac: source MAC address <x:x:x:x:x:x> :param str src_mac: destination MAC address <x:x:x:x:x:x> :param str ether_type: ethernet type <0-ffff> """ if dst_mac: dst_mac = dst_mac.replace(':', '') if src_mac: src_mac = src_mac.replace(':', '') return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format( dst_mac, src_mac, ether_type)).rstrip('0') def create_classify_table(self, key, mask, data_offset=0): """Create Classify Table :param str key: key for classify table (ex, ACL name). :param str mask: mask value for interested traffic. :param int data_offset: """ r = self.vapi.classify_add_del_table( is_add=1, mask=binascii.unhexlify(mask), match_n_vectors=(len(mask) - 1) // 32 + 1, miss_next_index=0, current_data_flag=1, current_data_offset=data_offset) self.assertIsNotNone(r, 'No response msg for add_del_table') self.acl_tbl_idx[key] = r.new_table_index def create_classify_session(self, table_index, match, pbr_option=0, vrfid=0, is_add=1): """Create Classify Session :param int table_index: table index to identify classify table. :param str match: matched value for interested traffic. :param int pbr_option: enable/disable PBR feature. :param int vrfid: VRF id. :param int is_add: option to configure classify session. - create(1) or delete(0) """ r = self.vapi.classify_add_del_session( is_add, table_index, binascii.unhexlify(match), opaque_index=0, action=pbr_option, metadata=vrfid) self.assertIsNotNone(r, 'No response msg for add_del_session') def input_acl_set_interface(self, intf, table_index, is_add=1): """Configure Input ACL interface :param VppInterface intf: Interface to apply Input ACL feature. :param int table_index: table index to identify classify table. :param int is_add: option to configure classify session. - enable(1) or disable(0) """ r = self.vapi.input_acl_set_interface( is_add, intf.sw_if_index, ip4_table_index=table_index) self.assertIsNotNone(r, 'No response msg for acl_set_interface') def output_acl_set_interface(self, intf, table_index, is_add=1): """Configure Output ACL interface :param VppInterface intf: Interface to apply Output ACL feature. :param int table_index: table index to identify classify table. :param int is_add: option to configure classify session. - enable(1) or disable(0) """ r = self.vapi.output_acl_set_interface( is_add, intf.sw_if_index, ip4_table_index=table_index) self.assertIsNotNone(r, 'No response msg for acl_set_interface') # Tests split to different test case classes because of issue reported in # ticket VPP-1336 class TestClassifierIP(TestClassifier): """ Classifier IP Test Case """ @classmethod def setUpClass(cls): super(TestClassifierIP, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierIP, cls).tearDownClass() def test_iacl_src_ip(self): """ Source IP iACL test Test scenario for basic IP ACL with source IP - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with source IP address. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with source IP pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'ip_src' self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(src_ip=self.pg0.remote_ip4)) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_dst_ip(self): """ Destination IP iACL test Test scenario for basic IP ACL with destination IP - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with destination IP address. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with destination IP pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'ip_dst' self.create_classify_table(key, self.build_ip_mask(dst_ip='ffffffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(dst_ip=self.pg1.remote_ip4)) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_src_dst_ip(self): """ Source and destination IP iACL test Test scenario for basic IP ACL with source and destination IP - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with source and destination IP addresses. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with source and destination IP pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'ip' self.create_classify_table( key, self.build_ip_mask(src_ip='ffffffff', dst_ip='ffffffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(src_ip=self.pg0.remote_ip4, dst_ip=self.pg1.remote_ip4)) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") class TestClassifierUDP(TestClassifier): """ Classifier UDP proto Test Case """ @classmethod def setUpClass(cls): super(TestClassifierUDP, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierUDP, cls).tearDownClass() def test_iacl_proto_udp(self): """ UDP protocol iACL test Test scenario for basic protocol ACL with UDP protocol - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with UDP IP protocol. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with UDP protocol pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'proto_udp' self.create_classify_table(key, self.build_ip_mask(proto='ff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_UDP)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_udp_sport(self): """ UDP source port iACL test Test scenario for basic protocol ACL with UDP and sport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with UDP IP protocol and defined sport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with UDP and sport sport = 38 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, UDP(sport=sport, dport=5678)) self.pg0.add_stream(pkts) key = 'proto_udp_sport' self.create_classify_table( key, self.build_ip_mask(proto='ff', src_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_udp_dport(self): """ UDP destination port iACL test Test scenario for basic protocol ACL with UDP and dport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with UDP IP protocol and defined dport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with UDP and dport dport = 427 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, UDP(sport=1234, dport=dport)) self.pg0.add_stream(pkts) key = 'proto_udp_dport' self.create_classify_table( key, self.build_ip_mask(proto='ff', dst_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_UDP, dst_port=dport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_udp_sport_dport(self): """ UDP source and destination ports iACL test Test scenario for basic protocol ACL with UDP and sport and dport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with UDP IP protocol and defined sport and dport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with UDP and sport and dport sport = 13720 dport = 9080 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, UDP(sport=sport, dport=dport)) self.pg0.add_stream(pkts) key = 'proto_udp_ports' self.create_classify_table( key, self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport, dst_port=dport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") class TestClassifierTCP(TestClassifier): """ Classifier TCP proto Test Case """ @classmethod def setUpClass(cls): super(TestClassifierTCP, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierTCP, cls).tearDownClass() def test_iacl_proto_tcp(self): """ TCP protocol iACL test Test scenario for basic protocol ACL with TCP protocol - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with TCP IP protocol. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with TCP protocol pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, TCP(sport=1234, dport=5678)) self.pg0.add_stream(pkts) key = 'proto_tcp' self.create_classify_table(key, self.build_ip_mask(proto='ff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_TCP)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts, TCP) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_tcp_sport(self): """ TCP source port iACL test Test scenario for basic protocol ACL with TCP and sport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with TCP IP protocol and defined sport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with TCP and sport sport = 38 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, TCP(sport=sport, dport=5678)) self.pg0.add_stream(pkts) key = 'proto_tcp_sport' self.create_classify_table( key, self.build_ip_mask(proto='ff', src_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts, TCP) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_tcp_dport(self): """ TCP destination port iACL test Test scenario for basic protocol ACL with TCP and dport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with TCP IP protocol and defined dport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with TCP and dport dport = 427 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, TCP(sport=1234, dport=dport)) self.pg0.add_stream(pkts) key = 'proto_tcp_sport' self.create_classify_table( key, self.build_ip_mask(proto='ff', dst_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_TCP, dst_port=dport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts, TCP) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") def test_iacl_proto_tcp_sport_dport(self): """ TCP source and destination ports iACL test Test scenario for basic protocol ACL with TCP and sport and dport - Create IPv4 stream for pg0 -> pg1 interface. - Create iACL with TCP IP protocol and defined sport and dport. - Send and verify received packets on pg1 interface. """ # Basic iACL testing with TCP and sport and dport sport = 13720 dport = 9080 pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes, TCP(sport=sport, dport=dport)) self.pg0.add_stream(pkts) key = 'proto_tcp_ports' self.create_classify_table( key, self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff')) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport, dst_port=dport)) self.input_acl_set_interface( self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg1.get_capture(len(pkts)) self.verify_capture(self.pg1, pkts, TCP) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") class TestClassifierIPOut(TestClassifier): """ Classifier output IP Test Case """ @classmethod def setUpClass(cls): super(TestClassifierIPOut, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierIPOut, cls).tearDownClass() def test_acl_ip_out(self): """ Output IP ACL test Test scenario for basic IP ACL with source IP - Create IPv4 stream for pg1 -> pg0 interface. - Create ACL with source IP address. - Send and verify received packets on pg0 interface. """ # Basic oACL testing with source IP pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes) self.pg1.add_stream(pkts) key = 'ip_out' self.create_classify_table( key, self.build_ip_mask(src_ip='ffffffff'), data_offset=0) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(src_ip=self.pg1.remote_ip4)) self.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg0.get_capture(len(pkts)) self.verify_capture(self.pg0, pkts) self.pg1.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") class TestClassifierMAC(TestClassifier): """ Classifier MAC Test Case """ @classmethod def setUpClass(cls): super(TestClassifierMAC, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierMAC, cls).tearDownClass() def test_acl_mac(self): """ MAC ACL test Test scenario for basic MAC ACL with source MAC - Create IPv4 stream for pg0 -> pg2 interface. - Create ACL with source MAC address. - Send and verify received packets on pg2 interface. """ # Basic iACL testing with source MAC pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'mac' self.create_classify_table( key, self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_mac_match(src_mac=self.pg0.remote_mac)) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.acl_active_table = key self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg2.get_capture(len(pkts)) self.verify_capture(self.pg2, pkts) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg1.assert_nothing_captured(remark="packets forwarded") self.pg3.assert_nothing_captured(remark="packets forwarded") class TestClassifierPBR(TestClassifier): """ Classifier PBR Test Case """ @classmethod def setUpClass(cls): super(TestClassifierPBR, cls).setUpClass() @classmethod def tearDownClass(cls): super(TestClassifierPBR, cls).tearDownClass() def test_acl_pbr(self): """ IP PBR test Test scenario for PBR with source IP - Create IPv4 stream for pg0 -> pg3 interface. - Configure PBR fib entry for packet forwarding. - Send and verify received packets on pg3 interface. """ # PBR testing with source IP pkts = self.create_stream(self.pg0, self.pg3, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) key = 'pbr' self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff')) pbr_option = 1 # this will create the VRF/table in which we will insert the route self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(src_ip=self.pg0.remote_ip4), pbr_option, self.pbr_vrfid) self.assertTrue(self.verify_vrf(self.pbr_vrfid)) self.config_pbr_fib_entry(self.pg3) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() pkts = self.pg3.get_capture(len(pkts)) self.verify_capture(self.pg3, pkts) self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key), 0) self.pg0.assert_nothing_captured(remark="packets forwarded") self.pg1.assert_nothing_captured(remark="packets forwarded") self.pg2.assert_nothing_captured(remark="packets forwarded") # remove the classify session and the route self.config_pbr_fib_entry(self.pg3, is_add=0) self.create_classify_session( self.acl_tbl_idx.get(key), self.build_ip_match(src_ip=self.pg0.remote_ip4), pbr_option, self.pbr_vrfid, is_add=0) # and the table should be gone. self.assertFalse(self.verify_vrf(self.pbr_vrfid)) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)