-
-
-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))
- \
- -> 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(intf.local_ip4n,
- addr_len,
- 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(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[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 ('{: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=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 ('{: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.
-
- :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, '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')
Code Review / vpp.git / blobdiff