Python vpp_ip_route.VppIpRoute类代码示例

    def test_tcp_transfer(self):
        """ TCP echo client/server transfer """

        # Add inter-table routes
        ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=1)])
        ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=0)], table_id=1)
        ip_t01.add_vpp_config()
        ip_t10.add_vpp_config()

        # Start builtin server and client
        uri = "tcp://" + self.loop0.local_ip4 + "/1234"
        error = self.vapi.cli("test echo server appns 0 fifo-size 4 uri " +
                              uri)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)

        error = self.vapi.cli("test echo client mbytes 10 appns 1 " +
                              "fifo-size 4 no-output test-bytes " +
                              "syn-timeout 2 uri " + uri)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)

        # Delete inter-table routes
        ip_t01.remove_vpp_config()
        ip_t10.remove_vpp_config()

    def test_ip6_rx_p2p_subif_route(self):
        """route rx ip6 packet not matching p2p subinterface"""
        self.logger.info("FFP_TEST_START_0003")

        self.pg0.config_ip6()

        route_3 = VppIpRoute(self, "9000::", 64,
                             [VppRoutePath(self.pg1._remote_hosts[0].ip6,
                                           self.pg1.sw_if_index,
                                           proto=DpoProto.DPO_PROTO_IP6)],
                             is_ip6=1)
        route_3.add_vpp_config()

        self.packets.append(
            self.create_stream(src_mac="02:03:00:00:ff:ff",
                               dst_mac=self.pg0.local_mac,
                               src_ip="a000::100",
                               dst_ip="9000::100"))

        self.send_packets(self.pg0, self.pg1)

        self.pg0.unconfig_ip6()

        route_3.remove_vpp_config()

        self.logger.info("FFP_TEST_FINISH_0003")

    def test_quic_transfer(self):
        """ QUIC echo client/server transfer """

        # Add inter-table routes
        ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=2)], table_id=1)
        ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=1)], table_id=2)
        ip_t01.add_vpp_config()
        ip_t10.add_vpp_config()
        self.logger.debug(self.vapi.cli("show ip fib"))

        # Start builtin server and client
        uri = "quic://%s/1234" % self.loop0.local_ip4
        error = self.vapi.cli("test echo server appns 1 fifo-size 4 uri %s" %
                              uri)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)
        error = self.vapi.cli("test echo client bytes 1024 appns 2 " +
                              "fifo-size 4 test-bytes no-output " +
                              "uri %s" % uri)
        self.logger.critical(error)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)

        # Delete inter-table routes
        ip_t01.remove_vpp_config()
        ip_t10.remove_vpp_config()

    def test_PPPoE_Del_Twice(self):
        """ PPPoE Delete Same Session Twice Test """

        self.vapi.cli("clear trace")

        #
        # Add a route that resolves the server's destination
        #
        route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
                                     [VppRoutePath(self.pg1.remote_ip4,
                                                   self.pg1.sw_if_index)])
        route_sever_dst.add_vpp_config()

        # Send PPPoE Discovery
        tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
                                                 self.pg0.remote_mac)
        self.pg0.add_stream(tx0)
        self.pg_start()

        # Send PPPoE PPP LCP
        tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
                                           self.pg0.remote_mac,
                                           self.session_id)
        self.pg0.add_stream(tx1)
        self.pg_start()

        # Create PPPoE session
        pppoe_if = VppPppoeInterface(self,
                                     self.pg0.remote_ip4,
                                     self.pg0.remote_mac,
                                     self.session_id)
        pppoe_if.add_vpp_config()

        # Delete PPPoE session
        pppoe_if.remove_vpp_config()

        #
        # The double del (del the same session twice) should fail,
        # and we should still be able to use the original
        #
        try:
            pppoe_if.remove_vpp_config()
        except Exception:
            pass
        else:
            self.fail("Double GRE tunnel del does not fail")

        #
        # test case cleanup
        #

        # Delete a route that resolves the server's destination
        route_sever_dst.remove_vpp_config()

    def test_6rd_bgp_tunnel(self):
        """ 6rd BGP tunnel """

        rv = self.vapi.ipip_6rd_add_tunnel(0, 0, inet_pton(AF_INET6, '2002::'),
                                           inet_pton(AF_INET, '0.0.0.0'),
                                           self.pg0.local_ip4n, 16, 0, False)
        self.tunnel_index = rv.sw_if_index

        default_route = VppIpRoute(
            self, "DEAD::", 16, [VppRoutePath("2002:0808:0808::",
                                              self.tunnel_index,
                                              proto=DpoProto.DPO_PROTO_IP6)],
            is_ip6=1)
        default_route.add_vpp_config()

        ip4_route = VppIpRoute(self, "8.0.0.0", 8,
                               [VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)])
        ip4_route.add_vpp_config()

        # Via recursive route 6 -> 4
        p = (Ether(src=self.pg0.remote_mac,
                   dst=self.pg0.local_mac) /
             IPv6(src="1::1", dst="DEAD:BEEF::1") /
             UDP(sport=1234, dport=1234))

        p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8",
                      proto='ipv6') /
                   IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP'))

        rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
        for p in rx:
            self.validate_6in4(p, p_reply)

        # Via recursive route 4 -> 6 (Security check must be disabled)
        p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) /
                 UDP(sport=1234, dport=1234))
        p = (Ether(src=self.pg0.remote_mac,
                   dst=self.pg0.local_mac) /
             IP(src="8.8.8.8", dst=self.pg0.local_ip4) /
             p_ip6)

        p_reply = p_ip6

        rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
        for p in rx:
            self.validate_4in6(p, p_reply)
        ip4_route.remove_vpp_config()
        default_route.remove_vpp_config()
        self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)

    def test_no_p2p_subif(self):
        """standard routing without p2p subinterfaces"""
        self.logger.info("FFP_TEST_START_0001")

        route_8000 = VppIpRoute(self, "8000::", 64,
                                [VppRoutePath(self.pg0.remote_ip6,
                                              self.pg0.sw_if_index,
                                              proto=DpoProto.DPO_PROTO_IP6)],
                                is_ip6=1)
        route_8000.add_vpp_config()

        self.packets = [(Ether(dst=self.pg1.local_mac,
                               src=self.pg1.remote_mac) /
                         IPv6(src="3001::1", dst="8000::100") /
                         UDP(sport=1234, dport=1234) /
                         Raw('\xa5' * 100))]
        self.send_packets(self.pg1, self.pg0)

        self.logger.info("FFP_TEST_FINISH_0001")

    def test_ip6_rx_p2p_subif_drop(self):
        """drop rx packet not matching p2p subinterface"""
        self.logger.info("FFP_TEST_START_0004")

        route_9001 = VppIpRoute(self, "9000::", 64,
                                [VppRoutePath(self.pg1._remote_hosts[0].ip6,
                                              self.pg1.sw_if_index,
                                              proto=DpoProto.DPO_PROTO_IP6)],
                                is_ip6=1)
        route_9001.add_vpp_config()

        self.packets.append(
            self.create_stream(src_mac="02:03:00:00:ff:ff",
                               dst_mac=self.pg0.local_mac,
                               src_ip="a000::100",
                               dst_ip="9000::100"))

        # no packet received
        self.send_packets(self.pg0, self.pg1, count=0)
        self.logger.info("FFP_TEST_FINISH_0004")

    def test_ip4_rx_p2p_subif_route(self):
        """route rx packet not matching p2p subinterface"""
        self.logger.info("FFP_TEST_START_0003")

        route_9001 = VppIpRoute(self, "9.0.0.0", 24,
                                [VppRoutePath(self.pg1.remote_ip4,
                                              self.pg1.sw_if_index)])
        route_9001.add_vpp_config()

        self.packets.append(
            self.create_stream(src_mac="02:01:00:00:ff:ff",
                               dst_mac=self.pg0.local_mac,
                               src_ip="8.0.0.100",
                               dst_ip="9.0.0.100"))

        self.send_packets(self.pg0, self.pg1)

        route_9001.remove_vpp_config()

        self.logger.info("FFP_TEST_FINISH_0003")

    def test_ip4_rx_p2p_subif(self):
        """receive ipv4 packet via p2p subinterface"""
        self.logger.info("FFP_TEST_START_0002")

        route_9000 = VppIpRoute(self, "9.0.0.0", 16,
                                [VppRoutePath(self.pg1.remote_ip4,
                                              self.pg1.sw_if_index)])
        route_9000.add_vpp_config()

        self.packets.append(
            self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
                               dst_mac=self.pg0.local_mac,
                               src_ip=self.p2p_sub_ifs[0].remote_ip4,
                               dst_ip="9.0.0.100"))

        self.send_packets(self.pg0, self.pg1, self.packets)

        self.assert_packet_counter_equal('p2p-ethernet-input', 1)

        route_9000.remove_vpp_config()
        self.logger.info("FFP_TEST_FINISH_0002")

    def setup_tunnel(self):
        # IPv6 transport
        rv = self.vapi.ipip_add_tunnel(
            src_address=self.pg0.local_ip6n,
            dst_address=self.pg1.remote_ip6n, tc_tos=255)

        sw_if_index = rv.sw_if_index
        self.tunnel_if_index = sw_if_index
        self.vapi.sw_interface_set_flags(sw_if_index, 1)
        self.vapi.sw_interface_set_unnumbered(
            sw_if_index=self.pg0.sw_if_index,
            unnumbered_sw_if_index=sw_if_index)

        # Add IPv4 and IPv6 routes via tunnel interface
        ip4_via_tunnel = VppIpRoute(
            self, "130.67.0.0", 16,
            [VppRoutePath("0.0.0.0",
                          sw_if_index,
                          proto=DpoProto.DPO_PROTO_IP4)], is_ip6=0)
        ip4_via_tunnel.add_vpp_config()

        ip6_via_tunnel = VppIpRoute(
            self, "dead::", 16,
            [VppRoutePath("::",
                          sw_if_index,
                          proto=DpoProto.DPO_PROTO_IP6)], is_ip6=1)
        ip6_via_tunnel.add_vpp_config()

        self.tunnel_ip6_via_tunnel = ip6_via_tunnel
        self.tunnel_ip4_via_tunnel = ip4_via_tunnel

    def test_ip6_rx_p2p_subif(self):
        """receive ipv6 packet via p2p subinterface"""
        self.logger.info("FFP_TEST_START_0002")

        route_9001 = VppIpRoute(self, "9001::", 64,
                                [VppRoutePath(self.pg1.remote_ip6,
                                              self.pg1.sw_if_index,
                                              proto=DpoProto.DPO_PROTO_IP6)],
                                is_ip6=1)
        route_9001.add_vpp_config()

        self.packets.append(
            self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
                               dst_mac=self.pg0.local_mac,
                               src_ip=self.p2p_sub_ifs[0].remote_ip6,
                               dst_ip="9001::100"))

        self.send_packets(self.pg0, self.pg1, self.packets)
        self.assert_packet_counter_equal('p2p-ethernet-input', 1)

        route_9001.remove_vpp_config()
        self.logger.info("FFP_TEST_FINISH_0002")

    def config_network(self, params):
        self.net_objs = []
        self.tun_if = self.pg0
        self.tra_if = self.pg2
        self.logger.info(self.vapi.ppcli("show int addr"))

        self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
        self.tra_spd.add_vpp_config()
        self.net_objs.append(self.tra_spd)
        self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
        self.tun_spd.add_vpp_config()
        self.net_objs.append(self.tun_spd)

        b = VppIpsecSpdItfBinding(self, self.tra_spd,
                                  self.tra_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        b = VppIpsecSpdItfBinding(self, self.tun_spd,
                                  self.tun_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        for p in params:
            self.config_ah_tra(p)
            config_tra_params(p, self.encryption_type)
        for p in params:
            self.config_ah_tun(p)
        for p in params:
            d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
            r = VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
                           [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
                                         0xffffffff,
                                         proto=d)],
                           is_ip6=p.is_ipv6)
            r.add_vpp_config()
            self.net_objs.append(r)
        self.logger.info(self.vapi.ppcli("show ipsec all"))

    def test_segment_manager_alloc(self):
        """ Session Segment Manager Multiple Segment Allocation """

        # Add inter-table routes
        ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=1)])
        ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
                            [VppRoutePath("0.0.0.0",
                                          0xffffffff,
                                          nh_table_id=0)], table_id=1)
        ip_t01.add_vpp_config()
        ip_t10.add_vpp_config()

        # Start builtin server and client with small private segments
        uri = "tcp://" + self.loop0.local_ip4 + "/1234"
        error = self.vapi.cli("test echo server appns 0 fifo-size 64 " +
                              "private-segment-size 1m uri " + uri)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)

        error = self.vapi.cli("test echo client nclients 100 appns 1 " +
                              "no-output fifo-size 64 syn-timeout 2 " +
                              "private-segment-size 1m uri " + uri)
        if error:
            self.logger.critical(error)
            self.assertNotIn("failed", error)

        if self.vpp_dead:
            self.assert_equal(0)

        # Delete inter-table routes
        ip_t01.remove_vpp_config()
        ip_t10.remove_vpp_config()

    def test_bier_load_balance(self):
        """BIER load-balance"""

        #
        # Add a BIER table for sub-domain 0, set 0, and BSL 256
        #
        bti = VppBierTableID(0, 0, BIERLength.BIER_LEN_64)
        bt = VppBierTable(self, bti, 77)
        bt.add_vpp_config()

        #
        # packets with varying entropy
        #
        pkts = []
        for ii in range(257):
            pkts.append((Ether(dst=self.pg0.local_mac,
                               src=self.pg0.remote_mac) /
                         MPLS(label=77, ttl=255) /
                         BIER(length=BIERLength.BIER_LEN_64,
                              entropy=ii,
                              BitString=scapy.compat.chb(255)*16) /
                         IPv6(src=self.pg0.remote_ip6,
                              dst=self.pg0.remote_ip6) /
                         UDP(sport=1234, dport=1234) /
                         Raw()))

        #
        # 4 next hops
        #
        nhs = [{'ip': "10.0.0.1", 'label': 201},
               {'ip': "10.0.0.2", 'label': 202},
               {'ip': "10.0.0.3", 'label': 203},
               {'ip': "10.0.0.4", 'label': 204}]

        for nh in nhs:
            ipr = VppIpRoute(
                self, nh['ip'], 32,
                [VppRoutePath(self.pg1.remote_ip4,
                              self.pg1.sw_if_index,
                              labels=[VppMplsLabel(nh['label'])])])
            ipr.add_vpp_config()

        bier_route = VppBierRoute(
            self, bti, 1,
            [VppRoutePath(nhs[0]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)]),
             VppRoutePath(nhs[1]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)])])
        bier_route.add_vpp_config()

        rx = self.send_and_expect(self.pg0, pkts, self.pg1)

        #
        # we should have recieved a packet from each neighbor
        #
        for nh in nhs[:2]:
            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))

        #
        # add the other paths
        #
        bier_route.update_paths(
            [VppRoutePath(nhs[0]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)]),
             VppRoutePath(nhs[1]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)]),
             VppRoutePath(nhs[2]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)]),
             VppRoutePath(nhs[3]['ip'], 0xffffffff,
                          labels=[VppMplsLabel(101)])])

        rx = self.send_and_expect(self.pg0, pkts, self.pg1)
        for nh in nhs:
            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))

        #
        # remove first two paths
        #
        bier_route.remove_path(VppRoutePath(nhs[0]['ip'], 0xffffffff,
                                            labels=[VppMplsLabel(101)]))
        bier_route.remove_path(VppRoutePath(nhs[1]['ip'], 0xffffffff,
                                            labels=[VppMplsLabel(101)]))

        rx = self.send_and_expect(self.pg0, pkts, self.pg1)
        for nh in nhs[2:]:
            self.assertTrue(sum(p[MPLS].label == nh['label'] for p in rx))

        #
        # remove the last of the paths, deleteing the entry
        #
        bier_route.remove_all_paths()

        self.send_and_assert_no_replies(self.pg0, pkts)

    def test_map_e(self):
        """ MAP-E """

        #
        # Add a route to the MAP-BR
        #
        map_br_pfx = "2001::"
        map_br_pfx_len = 64
        map_route = VppIpRoute(self,
                               map_br_pfx,
                               map_br_pfx_len,
                               [VppRoutePath(self.pg1.remote_ip6,
                                             self.pg1.sw_if_index,
                                             proto=DpoProto.DPO_PROTO_IP6)],
                               is_ip6=1)
        map_route.add_vpp_config()

        #
        # Add a domain that maps from pg0 to pg1
        #
        map_dst = '2001::/64'
        map_src = '3000::1/128'
        client_pfx = '192.168.0.0/16'
        self.vapi.map_add_domain(map_dst, client_pfx, map_src)

        # Enable MAP on interface.
        self.vapi.map_if_enable_disable(is_enable=1,
                                        sw_if_index=self.pg0.sw_if_index,
                                        is_translation=0)

        # Ensure MAP doesn't steal all packets!
        v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
              IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
              UDP(sport=20000, dport=10000) /
              Raw('\xa5' * 100))
        rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
        v4_reply = v4[1]
        v4_reply.ttl -= 1
        for p in rx:
            self.validate(p[1], v4_reply)

        #
        # Fire in a v4 packet that will be encapped to the BR
        #
        v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
              IP(src=self.pg0.remote_ip4, dst='192.168.1.1') /
              UDP(sport=20000, dport=10000) /
              Raw('\xa5' * 100))

        self.send_and_assert_encapped(v4, "3000::1", "2001::c0a8:0:0")

        # Enable MAP on interface.
        self.vapi.map_if_enable_disable(is_enable=1,
                                        sw_if_index=self.pg1.sw_if_index,
                                        is_translation=0)

        # Ensure MAP doesn't steal all packets
        v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
              IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
              UDP(sport=20000, dport=10000) /
              Raw('\xa5' * 100))
        rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
        v6_reply = v6[1]
        v6_reply.hlim -= 1
        for p in rx:
            self.validate(p[1], v6_reply)

        #
        # Fire in a V6 encapped packet.
        #  expect a decapped packet on the inside ip4 link
        #
        p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
             IPv6(dst='3000::1', src="2001::1") /
             IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
             UDP(sport=20000, dport=10000) /
             Raw('\xa5' * 100))

        self.pg1.add_stream(p)

        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()

        rx = self.pg0.get_capture(1)
        rx = rx[0]

        self.assertFalse(rx.haslayer(IPv6))
        self.assertEqual(rx[IP].src, p[IP].src)
        self.assertEqual(rx[IP].dst, p[IP].dst)

        #
        # Pre-resolve. No API for this!!
        #
        self.vapi.ppcli("map params pre-resolve ip6-nh 4001::1")

        self.send_and_assert_no_replies(self.pg0, v4,
                                        "resovled via default route")

        #
        # Add a route to 4001::1. Expect the encapped traffic to be
        # sent via that routes next-hop
#.........这里部分代码省略.........