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path: root/test/test_p2p_ethernet.py
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/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __FIB_INTERNAL_H__
#define __FIB_INTERNAL_H__

#include <vnet/ip/ip.h>
#include <vnet/dpo/dpo.h>

extern void fib_prefix_from_mpls_label(mpls_label_t label,
                                       mpls_eos_bit_t eos,
				       fib_prefix_t *prf);

extern int fib_route_path_cmp(const fib_route_path_t *rpath1,
			      const fib_route_path_t *rpath2);

/**
 * @brief
 *  Add or update an entry in the FIB's forwarding table.
 * This is called from the fib_entry code. It is not meant to be used
 * by the client/source.
 *
 * @param fib_index
 *  The index of the FIB
 *
 * @param prefix
 *  The prefix for the entry to add/update
 *
 * @param dpo
 *  The data-path object to use for forwarding
 */
extern void fib_table_fwding_dpo_update(u32 fib_index,
					const fib_prefix_t *prefix,
					const dpo_id_t *dpo);
/**
 * @brief
 *  remove an entry in the FIB's forwarding table
 *
 * @param fib_index
 *  The index of the FIB
 *
 * @param prefix
 *  The prefix for the entry to add/update
 *
 * @param dpo
 *  The data-path object to use for forwarding
 */
extern void fib_table_fwding_dpo_remove(u32 fib_index,
					const fib_prefix_t *prefix,
					const dpo_id_t *dpo);


#endif
'#n492'>492 493 494 495 496 497 498 499
#!/usr/bin/env python
import random
import unittest
import datetime
import re

from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6

from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import VppP2PSubint
from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_papi import mac_pton


class P2PEthernetAPI(VppTestCase):
    """P2P Ethernet tests"""

    p2p_sub_ifs = []

    @classmethod
    def setUpClass(cls):
        super(P2PEthernetAPI, cls).setUpClass()

        # Create pg interfaces
        cls.create_pg_interfaces(range(4))

        # Set up all interfaces
        for i in cls.pg_interfaces:
            i.admin_up()

    @classmethod
    def tearDownClass(cls):
        super(P2PEthernetAPI, cls).tearDownClass()

    def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
        p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
        self.p2p_sub_ifs.append(p2p)

    def delete_p2p_ethernet(self, parent_if, remote_mac):
        self.vapi.p2p_ethernet_del(parent_if.sw_if_index,
                                   mac_pton(remote_mac))

    def test_api(self):
        """delete/create p2p subif"""
        self.logger.info("FFP_TEST_START_0000")

        self.create_p2p_ethernet(self.pg0, 1, "de:ad:00:00:00:01")
        self.create_p2p_ethernet(self.pg0, 2, "de:ad:00:00:00:02")
        intfs = self.vapi.cli("show interface")

        self.assertIn('pg0.1', intfs)
        self.assertIn('pg0.2', intfs)
        self.assertNotIn('pg0.5', intfs)

        # create pg2.5 subif
        self.create_p2p_ethernet(self.pg0, 5, "de:ad:00:00:00:ff")
        intfs = self.vapi.cli("show interface")
        self.assertIn('pg0.5', intfs)
        # delete pg2.5 subif
        self.delete_p2p_ethernet(self.pg0, "de:ad:00:00:00:ff")

        intfs = self.vapi.cli("show interface")

        self.assertIn('pg0.1', intfs)
        self.assertIn('pg0.2', intfs)
        self.assertNotIn('pg0.5', intfs)

        self.logger.info("FFP_TEST_FINISH_0000")

    def test_p2p_subif_creation_1k(self):
        """create 1k of p2p subifs"""
        self.logger.info("FFP_TEST_START_0001")

        macs = []
        clients = 1000
        mac = int("dead00000000", 16)

        for i in range(1, clients+1):
            try:
                macs.append(':'.join(re.findall('..', '{:02x}'.format(
                    mac+i))))
                self.vapi.p2p_ethernet_add(self.pg2.sw_if_index,
                                           mac_pton(macs[i-1]),
                                           i)
            except Exception:
                self.logger.info("Failed to create subif %d %s" % (
                    i, macs[i-1]))
                raise

        intfs = self.vapi.cli("show interface").split("\n")
        count = 0
        for intf in intfs:
            if intf.startswith('pg2.'):
                count += 1
        self.assertEqual(count, clients)

        self.logger.info("FFP_TEST_FINISH_0001")


class P2PEthernetIPV6(VppTestCase):
    """P2P Ethernet IPv6 tests"""

    p2p_sub_ifs = []
    packets = []

    @classmethod
    def setUpClass(cls):
        super(P2PEthernetIPV6, cls).setUpClass()

        # Create pg interfaces
        cls.create_pg_interfaces(range(3))

        # Packet sizes
        cls.pg_if_packet_sizes = [64, 512, 1518, 9018]

        # Set up all interfaces
        for i in cls.pg_interfaces:
            i.admin_up()

        cls.pg0.generate_remote_hosts(3)
        cls.pg0.configure_ipv6_neighbors()

        cls.pg1.config_ip6()
        cls.pg1.generate_remote_hosts(3)
        cls.pg1.configure_ipv6_neighbors()
        cls.pg1.disable_ipv6_ra()

    @classmethod
    def tearDownClass(cls):
        super(P2PEthernetIPV6, cls).tearDownClass()

    def setUp(self):
        super(P2PEthernetIPV6, self).setUp()
        for p in self.packets:
            self.packets.remove(p)
        self.p2p_sub_ifs.append(
            self.create_p2p_ethernet(self.pg0, 1,
                                     self.pg0._remote_hosts[0].mac))
        self.p2p_sub_ifs.append(
            self.create_p2p_ethernet(self.pg0, 2,
                                     self.pg0._remote_hosts[1].mac))
        self.vapi.cli("trace add p2p-ethernet-input 50")

    def tearDown(self):
        while len(self.p2p_sub_ifs):
            p2p = self.p2p_sub_ifs.pop()
            self.delete_p2p_ethernet(p2p)

        super(P2PEthernetIPV6, self).tearDown()

    def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
        p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
        p2p.admin_up()
        p2p.config_ip6()
        p2p.disable_ipv6_ra()
        return p2p

    def delete_p2p_ethernet(self, p2p):
        p2p.unconfig_ip6()
        p2p.admin_down()
        self.vapi.p2p_ethernet_del(p2p.parent.sw_if_index,
                                   p2p.p2p_remote_mac)

    def create_stream(self, src_mac=None, dst_mac=None,
                      src_ip=None, dst_ip=None, size=None):
        pkt_size = size
        if size is None:
            pkt_size = random.choice(self.pg_if_packet_sizes)
        p = Ether(src=src_mac, dst=dst_mac)
        p /= IPv6(src=src_ip, dst=dst_ip)
        p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
        self.extend_packet(p, pkt_size)
        return p

    def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
        self.pg_enable_capture([dst_if])
        if packets is None:
            packets = self.packets
        src_if.add_stream(packets)
        self.pg_start()
        if count is None:
            count = len(packets)
        return dst_if.get_capture(count)

    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)])
        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(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)])
        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 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)])
        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_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)])
        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_ip6_tx_p2p_subif(self):
        """send packet via p2p subinterface"""
        self.logger.info("FFP_TEST_START_0005")

        route_8000 = VppIpRoute(self, "8000::", 64,
                                [VppRoutePath(self.pg0.remote_ip6,
                                              self.pg0.sw_if_index)])
        route_8000.add_vpp_config()
        route_8001 = VppIpRoute(self, "8001::", 64,
                                [VppRoutePath(
                                    self.p2p_sub_ifs[0].remote_ip6,
                                    self.p2p_sub_ifs[0].sw_if_index)])
        route_8001.add_vpp_config()
        route_8002 = VppIpRoute(self, "8002::", 64,
                                [VppRoutePath(
                                    self.p2p_sub_ifs[1].remote_ip6,
                                    self.p2p_sub_ifs[1].sw_if_index)])
        route_8002.add_vpp_config()

        for i in range(0, 3):
            self.packets.append(
                self.create_stream(src_mac=self.pg1.remote_mac,
                                   dst_mac=self.pg1.local_mac,
                                   src_ip=self.pg1.remote_ip6,
                                   dst_ip="800%d::100" % i))

        self.send_packets(self.pg1, self.pg0, count=3)

        route_8000.remove_vpp_config()
        route_8001.remove_vpp_config()
        route_8002.remove_vpp_config()

        self.logger.info("FFP_TEST_FINISH_0005")

    def test_ip6_tx_p2p_subif_drop(self):
        """drop tx ip6 packet not matching p2p subinterface"""
        self.logger.info("FFP_TEST_START_0006")

        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_0006")


class P2PEthernetIPV4(VppTestCase):
    """P2P Ethernet IPv4 tests"""

    p2p_sub_ifs = []
    packets = []

    @classmethod
    def setUpClass(cls):
        super(P2PEthernetIPV4, cls).setUpClass()

        # Create pg interfaces
        cls.create_pg_interfaces(range(3))

        # Packet sizes
        cls.pg_if_packet_sizes = [64, 512, 1518, 9018]

        # Set up all interfaces
        for i in cls.pg_interfaces:
            i.admin_up()

        cls.pg0.config_ip4()
        cls.pg0.generate_remote_hosts(5)
        cls.pg0.configure_ipv4_neighbors()

        cls.pg1.config_ip4()
        cls.pg1.generate_remote_hosts(5)
        cls.pg1.configure_ipv4_neighbors()

    @classmethod
    def tearDownClass(cls):
        super(P2PEthernetIPV4, cls).tearDownClass()

    def setUp(self):
        super(P2PEthernetIPV4, self).setUp()
        for p in self.packets:
            self.packets.remove(p)
        self.p2p_sub_ifs.append(
            self.create_p2p_ethernet(self.pg0, 1,
                                     self.pg0._remote_hosts[0].mac))
        self.p2p_sub_ifs.append(
            self.create_p2p_ethernet(self.pg0, 2,
                                     self.pg0._remote_hosts[1].mac))
        self.vapi.cli("trace add p2p-ethernet-input 50")

    def tearDown(self):
        while len(self.p2p_sub_ifs):
            p2p = self.p2p_sub_ifs.pop()
            self.delete_p2p_ethernet(p2p)
        super(P2PEthernetIPV4, self).tearDown()

    def create_stream(self, src_mac=None, dst_mac=None,
                      src_ip=None, dst_ip=None, size=None):
        pkt_size = size
        if size is None:
            pkt_size = random.choice(self.pg_if_packet_sizes)
        p = Ether(src=src_mac, dst=dst_mac)
        p /= IP(src=src_ip, dst=dst_ip)
        p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
        self.extend_packet(p, pkt_size)
        return p

    def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
        self.pg_enable_capture([dst_if])
        if packets is None:
            packets = self.packets
        src_if.add_stream(packets)
        self.pg_start()
        if count is None:
            count = len(packets)
        return dst_if.get_capture(count)

    def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
        p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
        p2p.admin_up()
        p2p.config_ip4()
        return p2p

    def delete_p2p_ethernet(self, p2p):
        p2p.unconfig_ip4()
        p2p.admin_down()
        self.vapi.p2p_ethernet_del(p2p.parent.sw_if_index,
                                   p2p.p2p_remote_mac)

    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 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_tx_p2p_subif(self):
        """send ip4 packet via p2p subinterface"""
        self.logger.info("FFP_TEST_START_0005")

        route_9100 = VppIpRoute(self, "9.1.0.100", 24,
                                [VppRoutePath(self.pg0.remote_ip4,
                                              self.pg0.sw_if_index,
                                              )])
        route_9100.add_vpp_config()
        route_9200 = VppIpRoute(self, "9.2.0.100", 24,
                                [VppRoutePath(self.p2p_sub_ifs[0].remote_ip4,
                                              self.p2p_sub_ifs[0].sw_if_index,
                                              )])
        route_9200.add_vpp_config()
        route_9300 = VppIpRoute(self, "9.3.0.100", 24,
                                [VppRoutePath(self.p2p_sub_ifs[1].remote_ip4,
                                              self.p2p_sub_ifs[1].sw_if_index
                                              )])
        route_9300.add_vpp_config()

        for i in range(0, 3):
            self.packets.append(
                self.create_stream(src_mac=self.pg1.remote_mac,
                                   dst_mac=self.pg1.local_mac,
                                   src_ip=self.pg1.remote_ip4,
                                   dst_ip="9.%d.0.100" % (i+1)))

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

        # route_7000.remove_vpp_config()
        route_9100.remove_vpp_config()
        route_9200.remove_vpp_config()
        route_9300.remove_vpp_config()

        self.logger.info("FFP_TEST_FINISH_0005")

    def test_ip4_tx_p2p_subif_drop(self):
        """drop tx ip4 packet not matching p2p subinterface"""
        self.logger.info("FFP_TEST_START_0006")

        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"))

        # no packet received
        self.send_packets(self.pg0, self.pg1, count=0)
        self.logger.info("FFP_TEST_FINISH_0006")


if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)