aboutsummaryrefslogtreecommitdiffstats
path: root/test/test_l3xc.py
blob: d94292e5be4c1c962e40eeab10e30dac4b2b21fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#!/usr/bin/env python3

import unittest

from framework import VppTestCase
from asfframework import VppTestRunner
from vpp_ip_route import VppRoutePath

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

from vpp_object import VppObject
from config import config

NUM_PKTS = 67


def find_l3xc(test, sw_if_index, dump_sw_if_index=None):
    if not dump_sw_if_index:
        dump_sw_if_index = sw_if_index
    xcs = test.vapi.l3xc_dump(dump_sw_if_index)
    for xc in xcs:
        if sw_if_index == xc.l3xc.sw_if_index:
            return True
    return False


class VppL3xc(VppObject):
    def __init__(self, test, intf, paths, is_ip6=False):
        self._test = test
        self.intf = intf
        self.is_ip6 = is_ip6
        self.paths = paths
        self.encoded_paths = []
        for path in self.paths:
            self.encoded_paths.append(path.encode())

    def add_vpp_config(self):
        self._test.vapi.l3xc_update(
            l3xc={
                "is_ip6": self.is_ip6,
                "sw_if_index": self.intf.sw_if_index,
                "n_paths": len(self.paths),
                "paths": self.encoded_paths,
            }
        )
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.l3xc_del(is_ip6=self.is_ip6, sw_if_index=self.intf.sw_if_index)

    def query_vpp_config(self):
        return find_l3xc(self._test, self.intf.sw_if_index)

    def object_id(self):
        return "l3xc-%d" % self.intf.sw_if_index


@unittest.skipIf("l3xc" in config.excluded_plugins, "Exclude L3XC plugin tests")
class TestL3xc(VppTestCase):
    """L3XC Test Case"""

    @classmethod
    def setUpClass(cls):
        super(TestL3xc, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestL3xc, cls).tearDownClass()

    def setUp(self):
        super(TestL3xc, self).setUp()

        self.create_pg_interfaces(range(6))

        for i in self.pg_interfaces:
            i.admin_up()
            i.config_ip4()
            i.resolve_arp()
            i.config_ip6()
            i.resolve_ndp()

    def tearDown(self):
        for i in self.pg_interfaces:
            i.unconfig_ip4()
            i.unconfig_ip6()
            i.admin_down()
        super(TestL3xc, self).tearDown()

    def test_l3xc4(self):
        """IPv4 X-Connect"""

        #
        # x-connect pg0 to pg1 and pg2 to pg3->5
        #
        l3xc_1 = VppL3xc(
            self, self.pg0, [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)]
        )
        l3xc_1.add_vpp_config()
        l3xc_2 = VppL3xc(
            self,
            self.pg2,
            [
                VppRoutePath(self.pg3.remote_ip4, self.pg3.sw_if_index),
                VppRoutePath(self.pg4.remote_ip4, self.pg4.sw_if_index),
                VppRoutePath(self.pg5.remote_ip4, self.pg5.sw_if_index),
            ],
        )
        l3xc_2.add_vpp_config()

        self.assertTrue(find_l3xc(self, self.pg2.sw_if_index, 0xFFFFFFFF))

        self.logger.info(self.vapi.cli("sh l3xc"))

        #
        # fire in packets. If it's forwarded then the L3XC was successful,
        # since default routing will drop it
        #
        p_1 = (
            Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
            / IP(src="1.1.1.1", dst="1.1.1.2")
            / UDP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 100)
        )
        # self.send_and_expect(self.pg0, p_1*NUM_PKTS, self.pg1)

        p_2 = []
        for ii in range(NUM_PKTS):
            p_2.append(
                Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
                / IP(src="1.1.1.1", dst="1.1.1.2")
                / UDP(sport=1000 + ii, dport=1234)
                / Raw(b"\xa5" * 100)
            )
        self.send_and_expect_load_balancing(
            self.pg2, p_2, [self.pg3, self.pg4, self.pg5]
        )

        l3xc_2.remove_vpp_config()
        self.send_and_assert_no_replies(self.pg2, p_2)


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