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-rw-r--r--src/plugins/linux-cp/test/lcp_unittest.c101
-rw-r--r--src/plugins/linux-cp/test/test_linux_cp.py174
2 files changed, 275 insertions, 0 deletions
diff --git a/src/plugins/linux-cp/test/lcp_unittest.c b/src/plugins/linux-cp/test/lcp_unittest.c
new file mode 100644
index 00000000000..57858eb8df0
--- /dev/null
+++ b/src/plugins/linux-cp/test/lcp_unittest.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2021 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.
+ */
+#include <vlib/vlib.h>
+
+#include <plugins/linux-cp/lcp_interface.h>
+
+static u32 host_vif;
+const static char *host_template = "tap%d";
+
+static clib_error_t *
+lcp_add_pair_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ u32 phy_sw_if_index, host_sw_if_index;
+ u8 is_add, *host_name;
+ vnet_main_t *vnm = vnet_get_main ();
+
+ ++host_vif;
+ host_name = format (NULL, host_template, host_vif);
+ phy_sw_if_index = host_sw_if_index = ~0;
+ is_add = 1;
+ lcp_main.test_mode = 1;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "add"))
+ is_add = 1;
+ else if (unformat (input, "del"))
+ is_add = 0;
+ else if (unformat (input, "phy %U", unformat_vnet_sw_interface, vnm,
+ &phy_sw_if_index))
+ ;
+ else if (unformat (input, "host %U", unformat_vnet_sw_interface, vnm,
+ &host_sw_if_index))
+ ;
+ else
+ return clib_error_return (0, "unknown input:%U", format_unformat_error,
+ input);
+ }
+
+ if (phy_sw_if_index == ~0)
+ return clib_error_return (0, "ERROR; no phy:%U", format_unformat_error,
+ input);
+
+ lip_host_type_t host_type =
+ (vnet_sw_interface_is_p2p (vnm, phy_sw_if_index) ? LCP_ITF_HOST_TUN :
+ LCP_ITF_HOST_TAP);
+
+ int rv;
+
+ if (is_add)
+ {
+ if (host_sw_if_index == ~0)
+ return clib_error_return (0, "ERROR no-host:%U", format_unformat_error,
+ input);
+
+ rv = lcp_itf_pair_add (host_sw_if_index, phy_sw_if_index, host_name,
+ host_vif, host_type, NULL);
+ }
+ else
+ rv = lcp_itf_pair_del (phy_sw_if_index);
+
+ if (rv)
+ return clib_error_return (0, "ERROR rv:%d", rv);
+
+ return (NULL);
+}
+
+VLIB_CLI_COMMAND (test_time_range_command, static) = {
+ .path = "test lcp",
+ .short_help = "lcp [add|del] phy <SW_IF_INDEX> host <SW_IF_INDEX>",
+ .function = lcp_add_pair_command_fn,
+};
+
+#include <vnet/plugin/plugin.h>
+#include <vpp/app/version.h>
+VLIB_PLUGIN_REGISTER () = {
+ .version = VPP_BUILD_VER,
+ .description = "Linux Control Plane - Unit Test",
+ .default_disabled = 1,
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
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)