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authorNeale Ranns <nranns@cisco.com>2020-12-24 09:16:09 +0000
committerOle Tr�an <otroan@employees.org>2021-02-04 14:16:34 +0000
commit44db1caefbf5067b0cf0073299c9f21265331412 (patch)
tree4981dc028db66398cf6dc2ca9d309aa5a7bf7a1d /src/plugins/linux-cp/test/test_linux_cp.py
parent1a52d37fc50acd479274c29c2e92b05cf32c3a6d (diff)
linux-cp: Linux Interface Mirroring for Control Plane Integration
Type: feature please see FEATURE.yaml for details. Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Matthew Smith <mgsmith@netgate.com> Signed-off-by: Jon Loeliger <jdl@netgate.com> Signed-off-by: Pim van Pelt <pim@ipng.nl> Change-Id: I04a45c15c0838906aa787e06660fa29f39f755fa
Diffstat (limited to 'src/plugins/linux-cp/test/test_linux_cp.py')
-rw-r--r--src/plugins/linux-cp/test/test_linux_cp.py174
1 files changed, 174 insertions, 0 deletions
diff --git a/src/plugins/linux-cp/test/test_linux_cp.py b/src/plugins/linux-cp/test/test_linux_cp.py
new file mode 100644
index 00000000000..df38681b16e
--- /dev/null
+++ b/src/plugins/linux-cp/test/test_linux_cp.py
@@ -0,0 +1,174 @@
+#!/usr/bin/env python3
+
+import unittest
+
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6, Raw
+from scapy.layers.l2 import Ether, ARP, Dot1Q
+
+from vpp_object import VppObject
+from framework import VppTestCase, VppTestRunner
+
+
+class VppLcpPair(VppObject):
+ def __init__(self, test, phy, host):
+ self._test = test
+ self.phy = phy
+ self.host = host
+
+ def add_vpp_config(self):
+ self._test.vapi.cli("test lcp add phy %s host %s" %
+ (self.phy, self.host))
+ self._test.registry.register(self, self._test.logger)
+ return self
+
+ def remove_vpp_config(self):
+ self._test.vapi.cli("test lcp del phy %s host %s" %
+ (self.phy, self.host))
+
+ def object_id(self):
+ return "lcp:%d:%d" % (self.phy.sw_if_index,
+ self.host.sw_if_index)
+
+ def query_vpp_config(self):
+ pairs = list(self._test.vapi.vpp.details_iter(
+ self._test.vapi.lcp_itf_pair_get))
+
+ for p in pairs:
+ if p.phy_sw_if_index == self.phy.sw_if_index and \
+ p.host_sw_if_index == self.host.sw_if_index:
+ return True
+ return False
+
+
+class TestLinuxCP(VppTestCase):
+ """ Linux Control Plane """
+
+ extra_vpp_plugin_config = ["plugin",
+ "linux_cp_plugin.so",
+ "{", "enable", "}",
+ "plugin",
+ "linux_cp_unittest_plugin.so",
+ "{", "enable", "}"]
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestLinuxCP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestLinuxCP, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestLinuxCP, self).setUp()
+
+ # create 4 pg interfaces so there are a few addresses
+ # in the FIB
+ 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(TestLinuxCP, self).tearDown()
+
+ def test_linux_cp_tap(self):
+ """ Linux CP TAP """
+
+ #
+ # Setup
+ #
+
+ arp_opts = {"who-has": 1, "is-at": 2}
+
+ # create two pairs, wihch a bunch of hots on the phys
+ hosts = [self.pg0, self.pg1]
+ phys = [self.pg2, self.pg3]
+ N_HOSTS = 4
+
+ for phy in phys:
+ phy.config_ip4()
+ phy.generate_remote_hosts(4)
+ phy.configure_ipv4_neighbors()
+
+ pair1 = VppLcpPair(self, phys[0], hosts[0]).add_vpp_config()
+ pair2 = VppLcpPair(self, phys[1], hosts[1]).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh lcp adj verbose"))
+ self.logger.info(self.vapi.cli("sh lcp"))
+
+ #
+ # Traffic Tests
+ #
+
+ # hosts to phys
+ for phy, host in zip(phys, hosts):
+ for j in range(N_HOSTS):
+ p = (Ether(src=phy.local_mac,
+ dst=phy.remote_hosts[j].mac) /
+ IP(src=phy.local_ip4,
+ dst=phy.remote_hosts[j].ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw())
+
+ rxs = self.send_and_expect(host, [p], phy)
+
+ # verify packet is unchanged
+ for rx in rxs:
+ self.assertEqual(p.show2(True), rx.show2(True))
+
+ # ARPs x-connect to phy
+ p = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ src=phy.remote_hosts[j].mac) /
+ ARP(op="who-has",
+ hwdst=phy.remote_hosts[j].mac,
+ hwsrc=phy.local_mac,
+ psrc=phy.local_ip4,
+ pdst=phy.remote_hosts[j].ip4))
+
+ rxs = self.send_and_expect(host, [p], phy)
+
+ # verify packet is unchanged
+ for rx in rxs:
+ self.assertEqual(p.show2(True), rx.show2(True))
+
+ # phy to host
+ for phy, host in zip(phys, hosts):
+ for j in range(N_HOSTS):
+ p = (Ether(dst=phy.local_mac,
+ src=phy.remote_hosts[j].mac) /
+ IP(dst=phy.local_ip4,
+ src=phy.remote_hosts[j].ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw())
+
+ rxs = self.send_and_expect(phy, [p], host)
+
+ # verify packet is unchanged
+ for rx in rxs:
+ self.assertEqual(p.show2(True), rx.show2(True))
+
+ # ARPs rx'd on the phy are sent to the host
+ p = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ src=phy.remote_hosts[j].mac) /
+ ARP(op="is-at",
+ hwsrc=phy.remote_hosts[j].mac,
+ hwdst=phy.local_mac,
+ pdst=phy.local_ip4,
+ psrc=phy.remote_hosts[j].ip4))
+
+ rxs = self.send_and_expect(phy, [p], host)
+
+ # verify packet is unchanged
+ for rx in rxs:
+ self.assertEqual(p.show2(True), rx.show2(True))
+
+ # cleanup
+ for phy in phys:
+ phy.unconfig_ip4()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)