-#!/usr/bin/env python
+#!/usr/bin/env python3
import binascii
import socket
import unittest
from framework import VppTestCase, VppTestRunner
+from scapy.packet import Raw, Packet
-from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP, TCP
from util import ppp
+from template_classifier import TestClassifier, VarMask, VarMatch
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+from vpp_papi import VppEnum
-class TestClassifier(VppTestCase):
- """ Classifier Test Case """
+# 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):
- """
- 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))
- \
- -> 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:
- 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
-
- :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')
-
+ super(TestClassifierIP, cls).setUpClass()
-# Tests split to different test case classes because of issue reported in
-# ticket VPP-1336
-class TestClassifierIP(TestClassifier):
- """ Classifier IP Test Case """
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierIP, cls).tearDownClass()
def test_iacl_src_ip(self):
- """ Source IP iACL test
+ """Source IP iACL test
Test scenario for basic IP ACL with source IP
- Create IPv4 stream for pg0 -> pg1 interface.
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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_dst_ip(self):
- """ Destination IP iACL test
+ """Destination IP iACL test
Test scenario for basic IP ACL with destination IP
- Create IPv4 stream for pg0 -> pg1 interface.
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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_src_dst_ip(self):
- """ Source and destination IP iACL test
+ """Source and destination IP iACL test
Test scenario for basic IP ACL with source and destination IP
- Create IPv4 stream for pg0 -> pg1 interface.
pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
self.pg0.add_stream(pkts)
- key = 'ip'
+ key = "ip"
self.create_classify_table(
- key, self.build_ip_mask(src_ip='ffffffff', dst_ip='ffffffff'))
+ 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.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
class TestClassifierUDP(TestClassifier):
- """ Classifier UDP proto Test Case """
+ """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
+ """UDP protocol iACL test
Test scenario for basic protocol ACL with UDP protocol
- Create IPv4 stream for pg0 -> pg1 interface.
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'))
+ 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_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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_udp_sport(self):
- """ UDP source port iACL test
+ """UDP source port iACL test
Test scenario for basic protocol ACL with UDP and sport
- Create IPv4 stream for pg0 -> 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))
+ 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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_udp_dport(self):
- """ UDP destination port iACL test
+ """UDP destination port iACL test
Test scenario for basic protocol ACL with UDP and dport
- Create IPv4 stream for pg0 -> 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))
+ 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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_udp_sport_dport(self):
- """ UDP source and destination ports iACL test
+ """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.
# 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))
+ 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'
+ key = "proto_udp_ports"
self.create_classify_table(
- key,
- self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
+ 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.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)
class TestClassifierTCP(TestClassifier):
- """ Classifier TCP proto Test Case """
+ """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
+ """TCP protocol iACL test
Test scenario for basic protocol ACL with TCP protocol
- Create IPv4 stream for pg0 -> 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))
+ 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'))
+ 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_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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_tcp_sport(self):
- """ TCP source port iACL test
+ """TCP source port iACL test
Test scenario for basic protocol ACL with TCP and sport
- Create IPv4 stream for pg0 -> 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))
+ 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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_tcp_dport(self):
- """ TCP destination port iACL test
+ """TCP destination port iACL test
Test scenario for basic protocol ACL with TCP and dport
- Create IPv4 stream for pg0 -> 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))
+ 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'))
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
def test_iacl_proto_tcp_sport_dport(self):
- """ TCP source and destination ports iACL test
+ """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.
# 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))
+ 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'
+ key = "proto_tcp_ports"
self.create_classify_table(
- key,
- self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
+ 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.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)
class TestClassifierIPOut(TestClassifier):
- """ Classifier output IP Test Case """
+ """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
+ """Output IP ACL test
Test scenario for basic IP ACL with source IP
- Create IPv4 stream for pg1 -> pg0 interface.
pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes)
self.pg1.add_stream(pkts)
- key = 'ip_out'
+ key = "ip_out"
self.create_classify_table(
- key, self.build_ip_mask(src_ip='ffffffff'), data_offset=0)
+ 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.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
class TestClassifierMAC(TestClassifier):
- """ Classifier MAC Test Case """
+ """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
+ """MAC ACL test
Test scenario for basic MAC ACL with source MAC
- Create IPv4 stream for pg0 -> pg2 interface.
pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes)
self.pg0.add_stream(pkts)
- key = 'mac'
+ key = "mac"
self.create_classify_table(
- key, self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14)
+ 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.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.pg3.assert_nothing_captured(remark="packets forwarded")
+class TestClassifierComplex(TestClassifier):
+ """Large & Nested Classifiers Test Cases"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierComplex, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierComplex, cls).tearDownClass()
+
+ def test_iacl_large(self):
+ """Large input ACL test
+
+ Test scenario for Large ACL matching on ethernet+ip+udp headers
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create large acl matching on ethernet+ip+udp header fields
+ - Send and verify received packets on pg1 interface.
+ """
+
+ # 40b offset = 80bytes - (sizeof(UDP/IP/ETH) + 4b)
+ # + 4b as build_ip_ma*() func, do not match against UDP Len & Chksum
+ msk = VarMask(offset=40, spec="ffff")
+ mth = VarMatch(offset=40, value=0x1234, length=2)
+
+ payload_msk = self.build_payload_mask([msk])
+ payload_match = self.build_payload_match([mth])
+
+ sport = 13720
+ dport = 9080
+
+ # 36b offset = 80bytes - (sizeof(UDP/IP/ETH))
+ packet_ex = bytes.fromhex(("0" * 36) + "1234")
+ pkts = self.create_stream(
+ self.pg0,
+ self.pg1,
+ self.pg_if_packet_sizes,
+ UDP(sport=sport, dport=dport),
+ packet_ex,
+ )
+ self.pg0.add_stream(pkts)
+
+ key = "large_in"
+ self.create_classify_table(
+ key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ )
+ + payload_msk,
+ data_offset=-14,
+ )
+
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_mac_match(
+ src_mac=self.pg0.remote_mac,
+ dst_mac=self.pg0.local_mac,
+ # ipv4 next header
+ ether_type="0800",
+ )
+ + self.build_ip_match(
+ proto=socket.IPPROTO_UDP,
+ src_ip=self.pg0.remote_ip4,
+ dst_ip=self.pg1.remote_ip4,
+ src_port=sport,
+ dst_port=dport,
+ )
+ + payload_match,
+ )
+
+ 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_oacl_large(self):
+ """Large output ACL test
+ Test scenario for Large ACL matching on ethernet+ip+udp headers
+ - Create IPv4 stream for pg1 -> pg0 interface.
+ - Create large acl matching on ethernet+ip+udp header fields
+ - Send and verify received packets on pg0 interface.
+ """
+
+ # 40b offset = 80bytes - (sizeof(UDP/IP/ETH) + 4b)
+ # + 4b as build_ip_ma*() func, do not match against UDP Len & Chksum
+ msk = VarMask(offset=40, spec="ffff")
+ mth = VarMatch(offset=40, value=0x1234, length=2)
+
+ payload_msk = self.build_payload_mask([msk])
+ payload_match = self.build_payload_match([mth])
+
+ sport = 13720
+ dport = 9080
+
+ # 36b offset = 80bytes - (sizeof(UDP/IP/ETH))
+ packet_ex = bytes.fromhex(("0" * 36) + "1234")
+ pkts = self.create_stream(
+ self.pg1,
+ self.pg0,
+ self.pg_if_packet_sizes,
+ UDP(sport=sport, dport=dport),
+ packet_ex,
+ )
+ self.pg1.add_stream(pkts)
+
+ key = "large_out"
+ self.create_classify_table(
+ key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ )
+ + payload_msk,
+ data_offset=-14,
+ )
+
+ self.create_classify_session(
+ self.acl_tbl_idx.get(key),
+ self.build_mac_match(
+ src_mac=self.pg0.local_mac,
+ dst_mac=self.pg0.remote_mac,
+ # ipv4 next header
+ ether_type="0800",
+ )
+ + self.build_ip_match(
+ proto=socket.IPPROTO_UDP,
+ src_ip=self.pg1.remote_ip4,
+ dst_ip=self.pg0.remote_ip4,
+ src_port=sport,
+ dst_port=dport,
+ )
+ + payload_match,
+ )
+
+ 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")
+
+ def test_iacl_nested(self):
+ """Nested input ACL test
+
+ Test scenario for Large ACL matching on ethernet+ip+udp headers
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create 1st classifier table, without any entries
+ - Create nested acl matching on ethernet+ip+udp header fields
+ - Send and verify received packets on pg1 interface.
+ """
+
+ 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)
+
+ subtable_key = "subtable_in"
+ self.create_classify_table(
+ subtable_key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ ),
+ data_offset=-14,
+ )
+
+ key = "nested_in"
+ self.create_classify_table(
+ key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ ),
+ next_table_index=self.acl_tbl_idx.get(subtable_key),
+ )
+
+ self.create_classify_session(
+ self.acl_tbl_idx.get(subtable_key),
+ self.build_mac_match(
+ src_mac=self.pg0.remote_mac,
+ dst_mac=self.pg0.local_mac,
+ # ipv4 next header
+ ether_type="0800",
+ )
+ + self.build_ip_match(
+ proto=socket.IPPROTO_UDP,
+ src_ip=self.pg0.remote_ip4,
+ dst_ip=self.pg1.remote_ip4,
+ 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")
+
+ def test_oacl_nested(self):
+ """Nested output ACL test
+
+ Test scenario for Large ACL matching on ethernet+ip+udp headers
+ - Create IPv4 stream for pg1 -> pg0 interface.
+ - Create 1st classifier table, without any entries
+ - Create nested acl matching on ethernet+ip+udp header fields
+ - Send and verify received packets on pg0 interface.
+ """
+
+ sport = 13720
+ dport = 9080
+ pkts = self.create_stream(
+ self.pg1, self.pg0, self.pg_if_packet_sizes, UDP(sport=sport, dport=dport)
+ )
+ self.pg1.add_stream(pkts)
+
+ subtable_key = "subtable_out"
+ self.create_classify_table(
+ subtable_key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ ),
+ data_offset=-14,
+ )
+
+ key = "nested_out"
+ self.create_classify_table(
+ key,
+ self.build_mac_mask(
+ src_mac="ffffffffffff", dst_mac="ffffffffffff", ether_type="ffff"
+ )
+ + self.build_ip_mask(
+ proto="ff",
+ src_ip="ffffffff",
+ dst_ip="ffffffff",
+ src_port="ffff",
+ dst_port="ffff",
+ ),
+ next_table_index=self.acl_tbl_idx.get(subtable_key),
+ data_offset=-14,
+ )
+
+ self.create_classify_session(
+ self.acl_tbl_idx.get(subtable_key),
+ self.build_mac_match(
+ src_mac=self.pg0.local_mac,
+ dst_mac=self.pg0.remote_mac,
+ # ipv4 next header
+ ether_type="0800",
+ )
+ + self.build_ip_match(
+ proto=socket.IPPROTO_UDP,
+ src_ip=self.pg1.remote_ip4,
+ dst_ip=self.pg0.remote_ip4,
+ src_port=sport,
+ dst_port=dport,
+ ),
+ )
+
+ 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 TestClassifierPBR(TestClassifier):
- """ Classifier PBR Test Case """
+ """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
+ """IP PBR test
Test scenario for PBR with source IP
- Create IPv4 stream for pg0 -> pg3 interface.
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'))
+ 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)
+ pbr_option,
+ self.pbr_vrfid,
+ )
self.assertTrue(self.verify_vrf(self.pbr_vrfid))
- self.config_pbr_fib_entry(self.pg3)
+ r = VppIpRoute(
+ self,
+ self.pg3.local_ip4,
+ 24,
+ [VppRoutePath(self.pg3.remote_ip4, INVALID_INDEX)],
+ table_id=self.pbr_vrfid,
+ )
+ r.add_vpp_config()
+
self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
self.pg_enable_capture(self.pg_interfaces)
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)
+ r.remove_vpp_config()
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)
+ 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__':
+
+class TestClassifierPunt(TestClassifier):
+ """Classifier punt Test Case"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestClassifierPunt, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifierPunt, cls).tearDownClass()
+
+ def test_punt_udp(self):
+ """IPv4/UDP protocol punt ACL test
+
+ Test scenario for basic punt ACL with UDP protocol
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create punt ACL with UDP IP protocol.
+ - Send and verify received packets on pg1 interface.
+ """
+
+ sport = 6754
+ dport = 17923
+
+ key = "ip4_udp_punt"
+ self.create_classify_table(
+ key, self.build_ip_mask(src_ip="ffffffff", proto="ff", src_port="ffff")
+ )
+ table_index = self.acl_tbl_idx.get(key)
+ self.vapi.punt_acl_add_del(ip4_table_index=table_index)
+ self.acl_active_table = key
+
+ # punt udp packets to dport received on pg0 through pg1
+ self.vapi.set_punt(
+ is_add=1,
+ punt={
+ "type": VppEnum.vl_api_punt_type_t.PUNT_API_TYPE_L4,
+ "punt": {
+ "l4": {
+ "af": VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+ "protocol": VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP,
+ "port": dport,
+ }
+ },
+ },
+ )
+ self.vapi.ip_punt_redirect(
+ punt={
+ "rx_sw_if_index": self.pg0.sw_if_index,
+ "tx_sw_if_index": self.pg1.sw_if_index,
+ "nh": self.pg1.remote_ip4,
+ }
+ )
+
+ pkts = [
+ (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+ / UDP(sport=sport, dport=dport)
+ / Raw("\x17" * 100)
+ )
+ ] * 2
+
+ # allow a session but not matching the stream: expect to drop
+ self.create_classify_session(
+ table_index,
+ self.build_ip_match(
+ src_ip=self.pg0.remote_ip4,
+ proto=socket.IPPROTO_UDP,
+ src_port=sport + 10,
+ ),
+ )
+ self.send_and_assert_no_replies(self.pg0, pkts)
+
+ # allow a session matching the stream: expect to pass
+ self.create_classify_session(
+ table_index,
+ self.build_ip_match(
+ src_ip=self.pg0.remote_ip4, proto=socket.IPPROTO_UDP, src_port=sport
+ ),
+ )
+ self.send_and_expect_only(self.pg0, pkts, self.pg1)
+
+ # test dump api: ip4 is set, ip6 is not
+ r = self.vapi.punt_acl_get()
+ self.assertEqual(r.ip4_table_index, table_index)
+ self.assertEqual(r.ip6_table_index, 0xFFFFFFFF)
+
+ # cleanup
+ self.acl_active_table = ""
+ self.vapi.punt_acl_add_del(ip4_table_index=table_index, is_add=0)
+
+ # test dump api: nothing set
+ r = self.vapi.punt_acl_get()
+ self.assertEqual(r.ip4_table_index, 0xFFFFFFFF)
+ self.assertEqual(r.ip6_table_index, 0xFFFFFFFF)
+
+
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff