from scapy.packet import Raw
from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
+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 = ''
+
def setUp(self):
"""
Perform test setup before test case.
: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
def tearDown(self):
"""Run standard test teardown and acl related log."""
- for intf in self.interfaces:
- intf.unconfig_ip4()
- intf.admin_down()
-
- super(TestClassifier, self).tearDown()
if not self.vpp_dead:
+ 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"))
+ 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 config_pbr_fib_entry(self, intf, is_add=1):
"""Configure fib entry to route traffic toward PBR VRF table
table_id=self.pbr_vrfid,
is_add=is_add)
- def create_stream(self, src_if, dst_if, packet_sizes):
+ 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) /
- UDP(sport=1234, dport=5678) /
+ 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):
+ 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()
dst_sw_if_index = dst_if.sw_if_index
for packet in capture:
try:
- ip = packet[IP]
- udp = packet[UDP]
+ ip_received = packet[IP]
+ proto_received = packet[proto_l]
payload_info = self.payload_to_info(str(packet[Raw]))
packet_index = payload_info.index
self.assertEqual(payload_info.dst, dst_sw_if_index)
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.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)
+ 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
@staticmethod
def build_ip_mask(proto='', src_ip='', dst_ip='',
src_port='', dst_port=''):
- """Build IP ACL mask data with hexstring format
+ """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_port: destination port number <0-ffff>
"""
- return ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(
+ return ('{:0>20}{:0>12}{:0>8}{:0>4}{:0>4}'.format(
proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
@staticmethod
- def build_ip_match(proto='', src_ip='', dst_ip='',
- src_port='', dst_port=''):
- """Build IP ACL match data with hexstring format
+ 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 str proto: protocol number with valid option "<0-ff>"
+ :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 str src_port: source port number <0-ffff>
- :param str dst_port: destination port number <0-ffff>
+ :param int src_port: source port number "x"
+ :param int dst_port: destination port number "x"
"""
if src_ip:
src_ip = socket.inet_aton(src_ip).encode('hex')
if dst_ip:
dst_ip = socket.inet_aton(dst_ip).encode('hex')
- return ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(
- proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
+ return ('{:0>20}{:0>12}{:0>8}{:0>4}{: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
+ """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>
@staticmethod
def build_mac_match(dst_mac='', src_mac='', ether_type=''):
- """Build MAC ACL match data with hexstring format
+ """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>
return ('{:0>12}{:0>12}{:0>4}'.format(dst_mac, src_mac,
ether_type)).rstrip('0')
- def create_classify_table(self, key, mask, data_offset=0, is_add=1):
+ 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 match_n_vectors:
- :param int is_add: option to configure classify table.
- - create(1) or delete(0)
+ :param int data_offset:
"""
r = self.vapi.classify_add_del_table(
- is_add,
- binascii.unhexlify(mask),
+ is_add=1,
+ mask=binascii.unhexlify(mask),
match_n_vectors=(len(mask) - 1) // 32 + 1,
miss_next_index=0,
current_data_flag=1,
self.assertIsNotNone(r, msg='No response msg for add_del_table')
self.acl_tbl_idx[key] = r.new_table_index
- def create_classify_session(self, intf, table_index, match,
- pbr_option=0, vrfid=0, is_add=1):
+ def create_classify_session(self, table_index, match, pbr_option=0,
+ vrfid=0, is_add=1):
"""Create Classify Session
- :param VppInterface intf: Interface to apply classify session.
:param int table_index: table index to identify classify table.
:param str match: matched value for interested traffic.
- :param int pbr_action: enable/disable PBR feature.
+ :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)
ip4_table_index=table_index)
self.assertIsNotNone(r, msg='No response msg for acl_set_interface')
- def test_acl_ip(self):
- """ IP ACL test
+
+# Tests split to different test case classes because of issue reported in
+# ticket VPP-1336
+class TestClassifierIP(TestClassifier):
+ """ Classifier IP Test Case """
+
+ 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 ACL with source IP address.
+ - Create iACL with source IP address.
- Send and verify received packets on pg1 interface.
"""
- # Basic ACL testing with source IP
+ # Basic iACL testing with source IP
pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
self.pg0.add_stream(pkts)
- self.create_classify_table('ip', self.build_ip_mask(src_ip='ffffffff'))
+ key = 'ip_src'
+ self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff'))
self.create_classify_session(
- self.pg0, self.acl_tbl_idx.get('ip'),
+ 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('ip'))
+ 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 """
+
+ 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.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0)
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 """
+
+ 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 """
+
def test_acl_ip_out(self):
""" Output IP ACL test
- Send and verify received packets on pg0 interface.
"""
- # Basic ACL testing with source IP
+ # Basic oACL testing with source IP
pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes)
self.pg1.add_stream(pkts)
- self.create_classify_table('ip', self.build_ip_mask(src_ip='ffffffff'),
- data_offset=0)
+ key = 'ip_out'
+ self.create_classify_table(
+ key, self.build_ip_mask(src_ip='ffffffff'), data_offset=0)
self.create_classify_session(
- self.pg1, self.acl_tbl_idx.get('ip'),
+ 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('ip'))
+ 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.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0)
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 """
+
def test_acl_mac(self):
""" MAC ACL test
- Send and verify received packets on pg2 interface.
"""
- # Basic ACL testing with source MAC
+ # Basic iACL testing with source MAC
pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes)
self.pg0.add_stream(pkts)
- self.create_classify_table('mac',
- self.build_mac_mask(src_mac='ffffffffffff'),
- data_offset=-14)
+ key = 'mac'
+ self.create_classify_table(
+ key, self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14)
self.create_classify_session(
- self.pg0, self.acl_tbl_idx.get('mac'),
+ 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('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.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('mac'), 0)
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 """
+
def test_acl_pbr(self):
""" IP PBR test
pkts = self.create_stream(self.pg0, self.pg3, self.pg_if_packet_sizes)
self.pg0.add_stream(pkts)
- self.create_classify_table(
- 'pbr', self.build_ip_mask(
- src_ip='ffffffff'))
+ 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.pg0, self.acl_tbl_idx.get('pbr'),
+ 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('pbr'))
+ 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('pbr'), 0)
+ 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.pg0, self.acl_tbl_idx.get('pbr'),
+ self.acl_tbl_idx.get(key),
self.build_ip_match(src_ip=self.pg0.remote_ip4),
pbr_option, self.pbr_vrfid, is_add=0)
--- /dev/null
+#!/usr/bin/env python
+
+import unittest
+import socket
+import binascii
+import sys
+
+from framework import VppTestCase, VppTestRunner
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet6 import IPv6, 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 = ''
+
+ 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))
+ - setup interfaces:
+ - put it into UP state
+ - set IPv6 addresses
+ - resolve neighbor address using NDP
+
+ :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(3))
+
+ # packet sizes to test
+ self.pg_if_packet_sizes = [64, 9018]
+
+ self.interfaces = list(self.pg_interfaces)
+
+ # ACL vars
+ self.acl_tbl_idx = {}
+
+ # setup all interfaces
+ for intf in self.interfaces:
+ intf.admin_up()
+ intf.config_ip6()
+ intf.resolve_ndp()
+
+ def tearDown(self):
+ """Run standard test teardown and acl related log."""
+ if not self.vpp_dead:
+ self.logger.info(self.vapi.ppcli("show inacl type ip6"))
+ self.logger.info(self.vapi.ppcli("show outacl type ip6"))
+ self.logger.info(self.vapi.cli("show classify table verbose"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+ if self.acl_active_table == 'ip6_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_ip6()
+ intf.admin_down()
+
+ super(TestClassifier, self).tearDown()
+
+ 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) /
+ IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) /
+ 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:
+ ip6_received = packet[IPv6]
+ proto_received = packet[proto_l]
+ payload_info = self.payload_to_info(str(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[IPv6]
+ proto_saved = saved_packet[proto_l]
+ # Check standard fields
+ self.assertEqual(ip6_received.src, ip_saved.src)
+ self.assertEqual(ip6_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))
+
+ @staticmethod
+ def build_ip6_mask(nh='', src_ip='', dst_ip='',
+ src_port='', dst_port=''):
+ """Build IPv6 ACL mask data with hexstring format.
+
+ :param str nh: next header 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 ('{:0>14}{:0>34}{:0>32}{:0>4}{:0>4}'.format(
+ nh, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
+
+ @staticmethod
+ def build_ip6_match(nh=0, src_ip='', dst_ip='',
+ src_port=0, dst_port=0):
+ """Build IPv6 ACL match data with hexstring format.
+
+ :param int nh: next header number with valid option "x"
+ :param str src_ip: source ip6 address with format of "xxx:xxxx::xxxx"
+ :param str dst_ip: destination ip6 address with format of
+ "xxx:xxxx::xxxx"
+ :param int src_port: source port number "x"
+ :param int dst_port: destination port number "x"
+ """
+ if src_ip:
+ src_ip = socket.inet_pton(socket.AF_INET6, src_ip).encode('hex')
+ if dst_ip:
+ dst_ip = socket.inet_pton(socket.AF_INET6, dst_ip).encode('hex')
+
+ return ('{:0>14}{:0>34}{:0>32}{:0>4}{:0>4}'.format(
+ hex(nh)[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 ('{:0>12}{:0>12}{: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 ('{:0>12}{:0>12}{: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, msg='No response msg for add_del_table')
+ self.acl_tbl_idx[key] = r.new_table_index
+
+ def create_classify_session(self, table_index, match, 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 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,
+ metadata=vrfid)
+ self.assertIsNotNone(r, msg='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,
+ ip6_table_index=table_index)
+ self.assertIsNotNone(r, msg='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,
+ ip6_table_index=table_index)
+ self.assertIsNotNone(r, msg='No response msg for acl_set_interface')
+
+
+class TestClassifierIP6(TestClassifier):
+ """ Classifier IP6 Test Case """
+
+ def test_iacl_src_ip(self):
+ """ Source IP6 iACL test
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv6 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 = 'ip6_src'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(src_ip='ffffffffffffffffffffffffffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(src_ip=self.pg0.remote_ip6))
+ 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")
+
+ def test_iacl_dst_ip(self):
+ """ Destination IP6 iACL test
+
+ Test scenario for basic IP ACL with destination IP
+ - Create IPv6 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 = 'ip6_dst'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(dst_ip='ffffffffffffffffffffffffffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(dst_ip=self.pg1.remote_ip6))
+ 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")
+
+ def test_iacl_src_dst_ip(self):
+ """ Source and destination IP6 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 = 'ip6'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(src_ip='ffffffffffffffffffffffffffffffff',
+ dst_ip='ffffffffffffffffffffffffffffffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(src_ip=self.pg0.remote_ip6,
+ dst_ip=self.pg1.remote_ip6))
+ 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")
+
+
+# Tests split to different test case classes because of issue reported in
+# ticket VPP-1336
+class TestClassifierIP6UDP(TestClassifier):
+ """ Classifier IP6 UDP proto Test Case """
+
+ def test_iacl_proto_udp(self):
+ """ IP6 UDP protocol iACL test
+
+ Test scenario for basic protocol ACL with UDP protocol
+ - Create IPv6 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 = 'nh_udp'
+ self.create_classify_table(key, self.build_ip6_mask(nh='ff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_udp_sport(self):
+ """ IP6 UDP source port iACL test
+
+ Test scenario for basic protocol ACL with UDP and sport
+ - Create IPv6 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 = 'nh_udp_sport'
+ self.create_classify_table(
+ key, self.build_ip6_mask(nh='ff', src_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_udp_dport(self):
+ """ IP6 UDP destination port iACL test
+
+ Test scenario for basic protocol ACL with UDP and dport
+ - Create IPv6 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 = 'nh_udp_dport'
+ self.create_classify_table(
+ key, self.build_ip6_mask(nh='ff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_udp_sport_dport(self):
+ """ IP6 UDP source and destination ports iACL test
+
+ Test scenario for basic protocol ACL with UDP and sport and dport
+ - Create IPv6 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 = 'nh_udp_ports'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(nh='ff', src_port='ffff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+
+class TestClassifierIP6TCP(TestClassifier):
+ """ Classifier IP6 TCP proto Test Case """
+
+ def test_iacl_proto_tcp(self):
+ """ IP6 TCP protocol iACL test
+
+ Test scenario for basic protocol ACL with TCP protocol
+ - Create IPv6 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 = 'nh_tcp'
+ self.create_classify_table(key, self.build_ip6_mask(nh='ff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_tcp_sport(self):
+ """ IP6 TCP source port iACL test
+
+ Test scenario for basic protocol ACL with TCP and sport
+ - Create IPv6 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 = 'nh_tcp_sport'
+ self.create_classify_table(
+ key, self.build_ip6_mask(nh='ff', src_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_tcp_dport(self):
+ """ IP6 TCP destination port iACL test
+
+ Test scenario for basic protocol ACL with TCP and dport
+ - Create IPv6 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 = 'nh_tcp_dport'
+ self.create_classify_table(
+ key, self.build_ip6_mask(nh='ff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+ def test_iacl_proto_tcp_sport_dport(self):
+ """ IP6 TCP source and destination ports iACL test
+
+ Test scenario for basic protocol ACL with TCP and sport and dport
+ - Create IPv6 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 = 'nh_tcp_ports'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(nh='ff', src_port='ffff', dst_port='ffff'))
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(nh=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")
+
+
+class TestClassifierIP6Out(TestClassifier):
+ """ Classifier output IP6 Test Case """
+
+ def test_acl_ip_out(self):
+ """ Output IP6 ACL test
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv6 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 = 'ip6_out'
+ self.create_classify_table(
+ key,
+ self.build_ip6_mask(src_ip='ffffffffffffffffffffffffffffffff'),
+ data_offset=0)
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_ip6_match(src_ip=self.pg1.remote_ip6))
+ 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")
+
+
+class TestClassifierIP6MAC(TestClassifier):
+ """ Classifier IP6 MAC Test Case """
+
+ def test_acl_mac(self):
+ """ IP6 MAC iACL test
+
+ Test scenario for basic MAC ACL with source MAC
+ - Create IPv6 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")
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
from scapy.packet import Raw
+from scapy.data import ETH_P_IP
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, TCP, UDP, ICMP
from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest
# warm-up the mac address tables
# self.warmup_test()
+ # Holder of the active classify table key
+ cls.acl_active_table = ''
+
except Exception:
super(TestClassifyAcl, cls).tearDownClass()
raise
"""
Show various debug prints after each test.
"""
- super(TestClassifyAcl, self).tearDown()
if not self.vpp_dead:
self.logger.info(self.vapi.ppcli("show inacl type l2"))
self.logger.info(self.vapi.ppcli("show outacl type l2"))
self.logger.info(self.vapi.ppcli("show classify tables verbose"))
self.logger.info(self.vapi.ppcli("show bridge-domain %s detail"
% self.bd_id))
+ if self.acl_active_table == 'mac_inout':
+ self.output_acl_set_interface(
+ self.pg1, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
+ elif self.acl_active_table == 'mac_out':
+ self.output_acl_set_interface(
+ self.pg1, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
+ elif self.acl_active_table == 'mac_in':
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
- @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 ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(
- proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
-
- @staticmethod
- def build_ip_match(proto='', src_ip='', dst_ip='',
- src_port='', dst_port=''):
- """Build IP ACL match data with hexstring format
-
- :param str proto: protocol number with valid option "<0-ff>"
- :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 str src_port: source port number <0-ffff>
- :param str dst_port: destination port number <0-ffff>
- """
- if src_ip:
- src_ip = socket.inet_aton(src_ip).encode('hex')
- if dst_ip:
- dst_ip = socket.inet_aton(dst_ip).encode('hex')
-
- return ('{:0>20}{:0>12}{:0>8}{:0>12}{:0>4}'.format(
- proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0')
+ super(TestClassifyAcl, self).tearDown()
@staticmethod
def build_mac_mask(dst_mac='', src_mac='', ether_type=''):
capture = dst_if.get_capture(0)
self.assertEqual(len(capture), 0)
- def build_classify_table(self, hit_next_index=0xffffffff):
- # Basic ACL testing with source MAC
- a_mask = self.build_mac_mask(src_mac='ffffffffffff')
- self.create_classify_table('ip', a_mask)
+ def build_classify_table(self, src_mac='', dst_mac='', ether_type='',
+ etype='', key='mac', hit_next_index=0xffffffff):
+ # Basic ACL testing
+ a_mask = self.build_mac_mask(src_mac=src_mac, dst_mac=dst_mac,
+ ether_type=ether_type)
+ self.create_classify_table(key, a_mask)
for host in self.hosts_by_pg_idx[self.pg0.sw_if_index]:
- self.create_classify_session(
- self.pg0, self.acl_tbl_idx.get('ip'),
- self.build_mac_match(src_mac=host.mac),
- hit_next_index=hit_next_index)
+ s_mac = host.mac if src_mac else ''
+ if dst_mac:
+ for dst_if in self.flows[self.pg0]:
+ for dst_host in self.hosts_by_pg_idx[dst_if.sw_if_index]:
+ self.create_classify_session(
+ self.pg0, self.acl_tbl_idx.get(key),
+ self.build_mac_match(src_mac=s_mac,
+ dst_mac=dst_host.mac,
+ ether_type=etype),
+ hit_next_index=hit_next_index)
+ else:
+ self.create_classify_session(
+ self.pg0, self.acl_tbl_idx.get(key),
+ self.build_mac_match(src_mac=s_mac, dst_mac='',
+ ether_type=etype),
+ hit_next_index=hit_next_index)
def test_0000_warmup_test(self):
""" Learn the MAC addresses
self.create_hosts(2)
self.run_traffic_no_check()
- def test_0010_inacl_permit(self):
- """ Input L2 ACL test - permit
+ def test_0010_inacl_permit_src_mac(self):
+ """ Input L2 ACL test - permit source MAC
Test scenario for basic IP ACL with source IP
- Create IPv4 stream for pg0 -> pg1 interface.
- Create ACL with source MAC address.
- Send and verify received packets on pg1 interface.
"""
- self.build_classify_table()
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'))
+ key = 'mac_in'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0011_inacl_permit_dst_mac(self):
+ """ Input L2 ACL test - permit destination MAC
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with destination MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(dst_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0012_inacl_permit_src_dst_mac(self):
+ """ Input L2 ACL test - permit source and destination MAC
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with source and destination MAC addresses.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(
+ src_mac='ffffffffffff', dst_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0013_inacl_permit_ether_type(self):
+ """ Input L2 ACL test - permit ether_type
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with destination MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(
+ ether_type='ffff', etype=hex(ETH_P_IP)[2:], key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
self.run_verify_test(self.IP, self.IPV4, -1)
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0)
def test_0015_inacl_deny(self):
""" Input L2 ACL test - deny
Test scenario for basic IP ACL with source IP
- Create IPv4 stream for pg0 -> pg1 interface.
+
- Create ACL with source MAC address.
- Send and verify no received packets on pg1 interface.
"""
- self.build_classify_table(hit_next_index=0)
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'))
+ key = 'mac_in'
+ self.build_classify_table(
+ src_mac='ffffffffffff', hit_next_index=0, key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
self.run_verify_negat_test(self.IP, self.IPV4, -1)
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0)
def test_0020_outacl_permit(self):
""" Output L2 ACL test - permit
- Create ACL with source MAC address.
- Send and verify received packets on pg1 interface.
"""
- self.build_classify_table()
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'))
+ key = 'mac_out'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
self.run_verify_test(self.IP, self.IPV4, -1)
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'), 0)
def test_0025_outacl_deny(self):
""" Output L2 ACL test - deny
- Create ACL with source MAC address.
- Send and verify no received packets on pg1 interface.
"""
- self.build_classify_table(hit_next_index=0)
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'))
+ key = 'mac_out'
+ self.build_classify_table(
+ src_mac='ffffffffffff', hit_next_index=0, key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
self.run_verify_negat_test(self.IP, self.IPV4, -1)
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'), 0)
def test_0030_inoutacl_permit(self):
""" Input+Output L2 ACL test - permit
- Create ACLs with source MAC address.
- Send and verify received packets on pg1 interface.
"""
- self.build_classify_table()
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'))
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'))
+ key = 'mac_inout'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
self.run_verify_test(self.IP, self.IPV4, -1)
- self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get('ip'), 0)
- self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get('ip'), 0)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / commitdiff