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#!/usr/bin/env python

import os
import subprocess

from framework import VppTestCase

# Api files path
API_FILES_PATH = "vpp/vpp-api/java"

# Registry jar file name prefix
REGISTRY_JAR_PREFIX = "jvpp-registry"


class TestJVpp(VppTestCase):
    """ JVPP Core Test Case """

    def invoke_for_jvpp_core(self, api_jar_name, test_class_name):
        self.jvpp_connection_test(api_jar_name=api_jar_name,
                                  test_class_name=test_class_name,
                                  timeout=10)

    def test_vpp_core_callback_api(self):
        """ JVPP Core Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-core",
                                  test_class_name="io.fd.vpp.jvpp.core.test."
                                                  "CallbackApiTest")

    def test_vpp_core_future_api(self):
        """JVPP Core Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-core",
                                  test_class_name="io.fd.vpp.jvpp.core.test."
                                                  "FutureApiTest")

    def test_vpp_acl_callback_api(self):
        """ JVPP Acl Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-acl",
                                  test_class_name="io.fd.vpp.jvpp.acl.test."
                                                  "CallbackApiTest")

    def test_vpp_acl_future_api(self):
        """JVPP Acl Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-acl",
                                  test_class_name="io.fd.vpp.jvpp.acl.test."
                                                  "FutureApiTest")

    def test_vpp_ioamexport_callback_api(self):
        """ JVPP Ioamexport Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioamexport",
                                  test_class_name="io.fd.vpp.jvpp.ioamexport."
                                                  "test.CallbackApiTest")

    def test_vpp_ioamexport_future_api(self):
        """JVPP Ioamexport Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioamexport",
                                  test_class_name="io.fd.vpp.jvpp.ioamexport."
                                                  "test.FutureApiTest")

    def test_vpp_ioampot_callback_api(self):
        """ JVPP Ioampot Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioampot",
                                  test_class_name="io.fd.vpp.jvpp.ioampot."
                                                  "test.CallbackApiTest")

    def test_vpp_ioampot_future_api(self):
        """JVPP Ioampot Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioampot",
                                  test_class_name="io.fd.vpp.jvpp.ioampot."
                                                  "test.FutureApiTest")

    def test_vpp_ioamtrace_callback_api(self):
        """ JVPP Ioamtrace Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioamtrace",
                                  test_class_name="io.fd.vpp.jvpp.ioamtrace."
                                                  "test.CallbackApiTest")

    def test_vpp_ioamtrace_future_api(self):
        """JVPP Ioamtrace Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-ioamtrace",
                                  test_class_name="io.fd.vpp.jvpp.ioamtrace."
                                                  "test.FutureApiTest")

    def test_vpp_snat_callback_api(self):
        """ JVPP Snat Callback Api Test Case """
        self.invoke_for_jvpp_core(api_jar_name="jvpp-nat",
                                  test_class_name="io.fd.vpp.jvpp.nat.test."
                                                  "CallbackApiTest")

    def test_vpp_snat_future_api(self):
        """JVPP Snat Future Api Test Case"""
        self.invoke_for_jvpp_core(api_jar_name="jvpp-nat",
                                  test_class_name="io.fd.vpp.jvpp.nat.test."
                                                  "FutureApiTest")

    def full_jar_name(self, install_dir, jar_name, version):
        return os.path.join(install_dir, API_FILES_PATH,
                            "{0}-{1}.jar".format(jar_name, version))

    def jvpp_connection_test(self, api_jar_name, test_class_name, timeout):
        install_dir = os.getenv('VPP_TEST_BUILD_DIR')
        self.logger.info("Install directory : {0}".format(install_dir))

        version_reply = self.vapi.show_version()
        version = version_reply.version.split("-")[0]
        registry_jar_path = self.full_jar_name(install_dir,
                                               REGISTRY_JAR_PREFIX, version)
        self.logger.info("JVpp Registry jar path : {0}"
                         .format(registry_jar_path))

        api_jar_path = self.full_jar_name(install_dir, api_jar_name, version)
        self.logger.info("Api jar path : {0}".format(api_jar_path))

        # passes shm prefix as parameter to create connection with same value
        command = ["java", "-cp",
                   "{0}:{1}".format(registry_jar_path, api_jar_path),
                   test_class_name, "/{0}-vpe-api".format(self.shm_prefix)]
        self.logger.info("Test Command : {0}, Timeout : {1}".
                         format(command, timeout))

        self.process = subprocess.Popen(command, shell=False,
                                        stdout=subprocess.PIPE,
                                        stderr=subprocess.PIPE, bufsize=1,
                                        universal_newlines=True)

        out, err = self.process.communicate()
        self.logger.info("Process output : {0}{1}".format(os.linesep, out))

        if self.process.returncode != 0:
            raise Exception(
                "Command {0} failed with return code: {1}.{2}"
                "Process error output: {2}{3}"
                .format(command, self.process.returncode, os.linesep, err))

    def tearDown(self):
        self.logger.info("Tearing down jvpp test")
        super(TestJVpp, self).tearDown()
        if hasattr(self, 'process') and self.process.poll() is None:
            self.process.kill()
zes cls.pg_if_packet_sizes = [64, 512, 1518] # , 9018] # setup all interfaces for i in cls.pg_interfaces: i.admin_up() i.config_ip4() i.resolve_arp() cls.vxlan = cls.vapi.vxlan_add_del_tunnel( src_addr=cls.pg2.local_ip4n, dst_addr=cls.pg2.remote_ip4n, vni=1111, is_add=1) def setUp(self): super(TestSpan, self).setUp() self.reset_packet_infos() def tearDown(self): super(TestSpan, self).tearDown() if not self.vpp_dead: self.logger.info(self.vapi.ppcli("show interface span")) def xconnect(self, a, b, is_add=1): self.vapi.sw_interface_set_l2_xconnect(a, b, enable=is_add) self.vapi.sw_interface_set_l2_xconnect(b, a, enable=is_add) def bridge(self, sw_if_index, is_add=1): self.vapi.sw_interface_set_l2_bridge( sw_if_index, bd_id=self.bd_id, enable=is_add) def _remove_tag(self, packet, vlan, tag_type): self.assertEqual(packet.type, tag_type) payload = packet.payload self.assertEqual(payload.vlan, vlan) inner_type = payload.type payload = payload.payload packet.remove_payload() packet.add_payload(payload) packet.type = inner_type def remove_tags(self, packet, tags): for t in tags: self._remove_tag(packet, t.vlan, t.dot1) return packet def decap_gre(self, pkt): """ Decapsulate the original payload frame by removing GRE header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[GRE].payload def decap_erspan(self, pkt, session): """ Decapsulate the original payload frame by removing ERSPAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) self.assertEqual(pkt[ERSPAN].ver, 1) self.assertEqual(pkt[ERSPAN].vlan, 0) self.assertEqual(pkt[ERSPAN].cos, 0) self.assertEqual(pkt[ERSPAN].en, 3) self.assertEqual(pkt[ERSPAN].t, 0) self.assertEqual(pkt[ERSPAN].session_id, session) self.assertEqual(pkt[ERSPAN].reserved, 0) self.assertEqual(pkt[ERSPAN].index, 0) return pkt[ERSPAN].payload def decap_vxlan(self, pkt): """ Decapsulate the original payload frame by removing VXLAN header """ self.assertEqual(pkt[Ether].src, self.pg2.local_mac) self.assertEqual(pkt[Ether].dst, self.pg2.remote_mac) self.assertEqual(pkt[IP].src, self.pg2.local_ip4) self.assertEqual(pkt[IP].dst, self.pg2.remote_ip4) return pkt[VXLAN].payload def create_stream(self, src_if, packet_sizes, do_dot1=False, bcast=False): pkts = [] dst_if = self.flows[src_if][0] dst_mac = src_if.remote_mac if bcast: dst_mac = "ff:ff:ff:ff:ff:ff" for i in range(0, self.pkts_per_burst): payload = "span test" size = packet_sizes[(i / 2) % len(packet_sizes)] p = (Ether(src=src_if.local_mac, dst=dst_mac) / IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / UDP(sport=10000 + src_if.sw_if_index * 1000 + i, dport=1234) / Raw(payload)) if do_dot1: p = self.sub_if.add_dot1_layer(p) self.extend_packet(p, size) pkts.append(p) return pkts def verify_capture(self, cap1, cap2): self.assertEqual(len(cap1), len(cap2), "Different number of sent and mirrored packets :" "%u != %u" % (len(cap1), len(cap2))) pkts1 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap1] pkts2 = [(pkt[Ether] / pkt[IP] / pkt[UDP]) for pkt in cap2] self.assertEqual(pkts1.sort(), pkts2.sort()) def test_device_span(self): """ SPAN device rx mirror """ # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg0.sw_if_index, self.pg2.sw_if_index, state=0) self.xconnect(self.pg0.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx(self): """ SPAN l2 rx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg2_expected = len(pkts) pg1_pkts = self.pg1.get_capture(pg2_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_vxlan(self): """ SPAN l2 rx mirror into vxlan """ self.sub_if.admin_up() self.vapi.sw_interface_set_flags(self.vxlan.sw_if_index, admin_up_down=1) self.bridge(self.vxlan.sw_if_index, is_add=1) # Create bi-directional cross-connects between pg0 subif and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, is_l2=1) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = [self.decap_vxlan(p) for p in self.pg2.get_capture(n_pkts)] self.bridge(self.vxlan.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vxlan.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_span_l2_rx_dst_gre_erspan(self): """ SPAN l2 rx mirror into gre-erspan """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, type=2, session=543) gre_if.add_vpp_config() gre_if.admin_up() self.bridge(gre_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre-erspan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.decap_erspan(p, session=543) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_gre_subif_vtr(self): """ SPAN l2 rx mirror into gre-subif+vtr """ self.sub_if.admin_up() gre_if = VppGreInterface(self, self.pg2.local_ip4, self.pg2.remote_ip4, type=1) gre_if.add_vpp_config() gre_if.admin_up() gre_sub_if = VppDot1QSubint(self, gre_if, 500) gre_sub_if.set_vtr(L2_VTR_OP.L2_POP_1, tag=500) gre_sub_if.admin_up() self.bridge(gre_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg0 sub if (mirrored to gre sub if) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) def decap(p): return self.remove_tags( self.decap_gre(p), [Tag(dot1=DOT1Q, vlan=500)]) pg2_decaped = [decap(p) for p in pg2_pkts] self.bridge(gre_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, gre_sub_if.sw_if_index, state=0, is_l2=1) gre_if.remove_vpp_config() self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_decaped) def test_span_l2_rx_dst_1q_vtr(self): """ SPAN l2 rx mirror into 1q subif+vtr """ self.sub_if.admin_up() self.vlan_sub_if.admin_up() self.bridge(self.vlan_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1Q, vlan=300)]) for p in pg2_pkts] self.bridge(self.vlan_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.vlan_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_span_l2_rx_dst_1ad_vtr(self): """ SPAN l2 rx mirror into 1ad subif+vtr """ self.sub_if.admin_up() self.qinq_sub_if.admin_up() self.bridge(self.qinq_sub_if.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=1) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, is_l2=1) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) pg2_untagged = [self.remove_tags(p, [Tag(dot1=DOT1AD, vlan=400), Tag(dot1=DOT1Q, vlan=500)]) for p in pg2_pkts] self.bridge(self.qinq_sub_if.sw_if_index, is_add=0) # Disable SPAN on pg0 sub if (mirrored to vxlan) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.qinq_sub_if.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_untagged) def test_l2_tx_span(self): """ SPAN l2 tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pkts) # Enable SPAN on pg1 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=2) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) n_pkts = len(pkts) pg1_pkts = self.pg1.get_capture(n_pkts) pg2_pkts = self.pg2.get_capture(n_pkts) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.pg1.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg1_pkts, pg2_pkts) def test_l2_rx_tx_span(self): """ SPAN l2 rx tx mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.xconnect(self.sub_if.sw_if_index, self.pg1.sw_if_index, is_add=0) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) def test_l2_bcast_mirror(self): """ SPAN l2 broadcast mirror """ self.sub_if.admin_up() self.bridge(self.pg2.sw_if_index) # Create bi-directional cross-connects between pg0 and pg1 self.vapi.sw_interface_set_l2_bridge( self.sub_if.sw_if_index, bd_id=99, enable=1) self.vapi.sw_interface_set_l2_bridge( self.pg1.sw_if_index, bd_id=99, enable=1) # Create incoming packet streams for packet-generator interfaces pg0_pkts = self.create_stream( self.pg0, self.pg_if_packet_sizes, do_dot1=True, bcast=True) self.pg0.add_stream(pg0_pkts) pg1_pkts = self.create_stream( self.pg1, self.pg_if_packet_sizes, do_dot1=False, bcast=True) self.pg1.add_stream(pg1_pkts) # Enable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, is_l2=1, state=3) self.logger.info(self.vapi.ppcli("show interface span")) # Enable packet capturing and start packet sending self.pg_enable_capture(self.pg_interfaces) self.pg_start() # Verify packets outgoing packet streams on mirrored interface (pg2) pg0_expected = len(pg1_pkts) pg1_expected = len(pg0_pkts) pg2_expected = pg0_expected + pg1_expected pg0_pkts = self.pg0.get_capture(pg0_expected) pg1_pkts = self.pg1.get_capture(pg1_expected) pg2_pkts = self.pg2.get_capture(pg2_expected) self.bridge(self.pg2.sw_if_index, is_add=0) self.vapi.sw_interface_set_l2_bridge( self.sub_if.sw_if_index, bd_id=99, enable=0) self.vapi.sw_interface_set_l2_bridge( self.pg1.sw_if_index, bd_id=99, enable=0) # Disable SPAN on pg0 (mirrored to pg2) self.vapi.sw_interface_span_enable_disable( self.sub_if.sw_if_index, self.pg2.sw_if_index, state=0, is_l2=1) self.verify_capture(pg0_pkts + pg1_pkts, pg2_pkts) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)