aboutsummaryrefslogtreecommitdiffstats
path: root/test/vpp_mpls_tunnel_interface.py
diff options
context:
space:
mode:
authorMarco Varlese <marco.varlese@suse.com>2017-10-17 10:33:07 +0200
committerMarco Varlese <marco.varlese@suse.com>2017-10-17 10:33:49 +0200
commit556033a0695cd89dd82a92c1f2e3821d876b8749 (patch)
treea25d79629a5585dd155d665077f2fe006133cb28 /test/vpp_mpls_tunnel_interface.py
parentade70e459deeaf143e5321603176c3fd3ee1503b (diff)
Add API versioning to GENEVE tunnel implementation.
Change-Id: I5974e5545d74af53c27938c8cdbae12745c38a54 Signed-off-by: Marco Varlese <marco.varlese@suse.com>
Diffstat (limited to 'test/vpp_mpls_tunnel_interface.py')
0 files changed, 0 insertions, 0 deletions
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 
#!/usr/bin/env python
from socket import AF_INET, AF_INET6, inet_pton
import unittest

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

from framework import VppTestCase, VppTestRunner
from vpp_interface import VppInterface
from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath

NUM_PKTS = 67


class VppPipe(VppInterface):
    """
    VPP Pipe
    """

    @property
    def east(self):
        return self.result.pipe_sw_if_index[1]

    @property
    def west(self):
        return self.result.pipe_sw_if_index[0]

    def __init__(self, test, instance=0xffffffff):
        super(VppPipe, self).__init__(test)
        self._test = test
        self.instance = instance

    def add_vpp_config(self):
        self.result = self._test.vapi.pipe_create(
            0 if self.instance == 0xffffffff else 1,
            self.instance)
        self.set_sw_if_index(self.result.sw_if_index)

    def remove_vpp_config(self):
        self._test.vapi.pipe_delete(
            self.result.sw_if_index)

    def object_id(self):
        return "pipe-%d" % (self._sw_if_index)

    def query_vpp_config(self):
        pipes = self._test.vapi.pipe_dump()
        for p in pipes:
            if p.sw_if_index == self.result.sw_if_index:
                return True
        return False

    def set_unnumbered(self, ip_sw_if_index, is_add=True):
        res = self._test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
                                                          self.east, is_add)
        res = self._test.vapi.sw_interface_set_unnumbered(ip_sw_if_index,
                                                          self.west, is_add)


class TestPipe(VppTestCase):
    """ Pipes """

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

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

    def setUp(self):
        super(TestPipe, self).setUp()

        self.create_pg_interfaces(range(4))

        for i in self.pg_interfaces:
            i.admin_up()

    def tearDown(self):
        for i in self.pg_interfaces:
            i.admin_down()

        super(TestPipe, self).tearDown()

    def test_pipe(self):
        """ Pipes """

        pipes = [VppPipe(self), VppPipe(self, 10)]

        for p in pipes:
            p.add_vpp_config()
            p.admin_up()

        #
        # L2 cross-connect pipe0 east with pg0 and west with pg1
        #
        self.vapi.sw_interface_set_l2_xconnect(self.pg0.sw_if_index,
                                               pipes[0].east,
                                               enable=1)
        self.vapi.sw_interface_set_l2_xconnect(pipes[0].east,
                                               self.pg0.sw_if_index,
                                               enable=1)
        self.vapi.sw_interface_set_l2_xconnect(self.pg1.sw_if_index,
                                               pipes[0].west,
                                               enable=1)
        self.vapi.sw_interface_set_l2_xconnect(pipes[0].west,
                                               self.pg1.sw_if_index,
                                               enable=1)

        # test bi-directional L2 flow pg0<->pg1
        p = (Ether(src=self.pg0.remote_mac,
                   dst=self.pg1.remote_mac) /
             IP(src="1.1.1.1",
                dst="1.1.1.2") /
             UDP(sport=1234, dport=1234) /
             Raw('\xa5' * 100))

        self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg1)
        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg0)

        #
        # Attach ACL to ensure features are run on the pipe
        #
        rule_1 = ({'is_permit': 0,
                   'is_ipv6': 0,
                   'proto': 17,
                   'srcport_or_icmptype_first': 1234,
                   'srcport_or_icmptype_last': 1234,
                   'src_ip_prefix_len': 32,
                   'src_ip_addr': inet_pton(AF_INET, "1.1.1.1"),
                   'dstport_or_icmpcode_first': 1234,
                   'dstport_or_icmpcode_last': 1234,
                   'dst_ip_prefix_len': 32,
                   'dst_ip_addr': inet_pton(AF_INET, "1.1.1.2")})
        acl = self.vapi.acl_add_replace(acl_index=4294967295,
                                        r=[rule_1])

        # Apply the ACL on the pipe on output
        self.vapi.acl_interface_set_acl_list(pipes[0].east,
                                             0,
                                             [acl.acl_index])
        self.send_and_assert_no_replies(self.pg0, p * NUM_PKTS)
        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg0)

        # remove from output and apply on input
        self.vapi.acl_interface_set_acl_list(pipes[0].east,
                                             0,
                                             [])
        self.vapi.acl_interface_set_acl_list(pipes[0].west,
                                             1,
                                             [acl.acl_index])
        self.send_and_assert_no_replies(self.pg0, p * NUM_PKTS)
        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg0)
        self.vapi.acl_interface_set_acl_list(pipes[0].west,
                                             0,
                                             [])
        self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg1)
        self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg0)

        #
        # L3 routes in two separate tables so a pipe can be used to L3
        # x-connect
        #
        tables = []
        tables.append(VppIpTable(self, 1))
        tables.append(VppIpTable(self, 2))

        for t in tables:
            t.add_vpp_config()

        self.pg2.set_table_ip4(1)
        self.pg2.config_ip4()
        self.pg2.resolve_arp()
        self.pg3.set_table_ip4(2)
        self.pg3.config_ip4()
        self.pg3.resolve_arp()

        routes = []
        routes.append(VppIpRoute(self, "1.1.1.1", 32,
                                 [VppRoutePath(self.pg3.remote_ip4,
                                               self.pg3.sw_if_index)],
                                 table_id=2))
        routes.append(VppIpRoute(self, "1.1.1.1", 32,
                                 [VppRoutePath("0.0.0.0", pipes[1].east)],
                                 table_id=1))
        routes.append(VppIpRoute(self, "1.1.1.2", 32,
                                 [VppRoutePath("0.0.0.0", pipes[1].west)],
                                 table_id=2))
        routes.append(VppIpRoute(self, "1.1.1.2", 32,
                                 [VppRoutePath(self.pg2.remote_ip4,
                                               self.pg2.sw_if_index)],
                                 table_id=1))

        for r in routes:
            r.add_vpp_config()

        p_east = (Ether(src=self.pg2.remote_mac,
                        dst=self.pg2.local_mac) /
                  IP(src="1.1.1.2",
                     dst="1.1.1.1") /
                  UDP(sport=1234, dport=1234) /
                  Raw('\xa5' * 100))

        # bind the pipe ends to the correct tables
        self.vapi.sw_interface_set_table(pipes[1].west, 0, 2)
        self.vapi.sw_interface_set_table(pipes[1].east, 0, 1)

        # IP is not enabled on the pipes at this point
        self.send_and_assert_no_replies(self.pg2, p_east * NUM_PKTS)

        # IP enable the Pipes by making them unnumbered
        pipes[0].set_unnumbered(self.pg2.sw_if_index)
        pipes[1].set_unnumbered(self.pg3.sw_if_index)

        self.send_and_expect(self.pg2, p_east * NUM_PKTS, self.pg3)

        # and the return path
        p_west = (Ether(src=self.pg3.remote_mac,
                        dst=self.pg3.local_mac) /
                  IP(src="1.1.1.1",
                     dst="1.1.1.2") /
                  UDP(sport=1234, dport=1234) /
                  Raw('\xa5' * 100))
        self.send_and_expect(self.pg3, p_west * NUM_PKTS, self.pg2)

        #
        # Use ACLs to test features run on the Pipes
        #
        self.vapi.acl_interface_set_acl_list(pipes[1].east,
                                             0,
                                             [acl.acl_index])
        self.send_and_assert_no_replies(self.pg2, p_east * NUM_PKTS)
        self.send_and_expect(self.pg3, p_west * NUM_PKTS, self.pg2)

        # remove from output and apply on input
        self.vapi.acl_interface_set_acl_list(pipes[1].east,
                                             0,
                                             [])
        self.vapi.acl_interface_set_acl_list(pipes[1].west,
                                             1,
                                             [acl.acl_index])
        self.send_and_assert_no_replies(self.pg2, p_east * NUM_PKTS)
        self.send_and_expect(self.pg3, p_west * NUM_PKTS, self.pg2)
        self.vapi.acl_interface_set_acl_list(pipes[1].west,
                                             0,
                                             [])
        self.send_and_expect(self.pg2, p_east * NUM_PKTS, self.pg3)
        self.send_and_expect(self.pg3, p_west * NUM_PKTS, self.pg2)

        # cleanup (so the tables delete)
        self.pg2.unconfig_ip4()
        self.pg2.set_table_ip4(0)
        self.pg3.unconfig_ip4()
        self.pg3.set_table_ip4(0)
        self.vapi.sw_interface_set_table(pipes[1].west, 0, 0)
        self.vapi.sw_interface_set_table(pipes[1].east, 0, 0)


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