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authorMatus Fabian <matfabia@cisco.com>2017-07-03 01:21:38 -0700
committerNeale Ranns <nranns@cisco.com>2017-07-03 17:24:19 +0000
commit7c0aecc9e36f7565cdac6a725843081cd5b5f608 (patch)
treeafe84f10221adb367f484de9c2f9439f4b0d08f0 /test
parent58eb866b15a45514dc356170f28640d6c9db8034 (diff)
SNAT: fix failing test_session_limit_per_user (VPP-896)
Change-Id: Idf46a03803125babd9bb880363686359fbcca27d Signed-off-by: Matus Fabian <matfabia@cisco.com> (cherry picked from commit 860af5ad2b023f9c57d622a7a9d3bd0099e480b1)
Diffstat (limited to 'test')
-rw-r--r--test/test_snat.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/test_snat.py b/test/test_snat.py
index d8268770f02..f876c5f0ab7 100644
--- a/test/test_snat.py
+++ b/test/test_snat.py
@@ -2542,6 +2542,7 @@ class TestDeterministicNAT(MethodHolder):
dms = self.vapi.snat_det_map_dump()
self.assertEqual(0, dms[0].ses_num)
+ @unittest.skipUnless(running_extended_tests(), "part of extended tests")
def test_session_limit_per_user(self):
""" CGNAT maximum 1000 sessions per user should be created """
self.vapi.snat_add_det_map(self.pg0.remote_ip4n,
@@ -2595,6 +2596,7 @@ class TestDeterministicNAT(MethodHolder):
# verify IPFIX logging
self.vapi.cli("ipfix flush") # FIXME this should be an API call
+ sleep(1)
capture = self.pg2.get_capture(2)
ipfix = IPFIXDecoder()
# first load template
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#!/usr/bin/env python3
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(b"\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")

        self.pg0.config_ip6()
        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(b"\xa5" * 100)
            )
        ]
        self.send_packets(self.pg1, self.pg0)

        self.pg0.unconfig_ip6()
        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")

        self.pg0.config_ip6()

        route_8000 = VppIpRoute(
            self,
            "8000::",
            64,
            [VppRoutePath(self.pg0.remote_hosts[0].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.pg0.unconfig_ip6()
        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(b"\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)