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from framework import VppTestCase, VppTestRunner
import unittest
from config import config
from scapy.layers.l2 import Ether
from scapy.contrib.lldp import (
LLDPDUChassisID,
LLDPDUPortID,
LLDPDUTimeToLive,
LLDPDUEndOfLLDPDU,
LLDPDU,
)
@unittest.skipIf("lldp" in config.excluded_plugins, "Exclude lldp plugin tests")
class TestLldpCli(VppTestCase):
"""LLDP plugin tests [CLI]"""
@classmethod
def setUpClass(cls):
super(TestLldpCli, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
for i in cls.pg_interfaces:
i.config_ip4()
i.config_ip6()
i.resolve_arp()
i.admin_up()
except Exception:
cls.tearDownClass()
raise
@classmethod
def tearDownClass(cls):
for i in cls.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
i.admin_down()
super(TestLldpCli, cls).tearDownClass()
def create_frame(self, src_if):
if src_if == self.pg0:
chassis_id = "01:02:03:04:05:06"
port_id = "07:08:09:0a:0b:0c"
else:
chassis_id = "11:12:13:14:15:16"
port_id = "17:18:19:1a:1b:1c"
lldp_frame = (
Ether(src=src_if.remote_mac, dst="01:80:C2:00:00:03")
/ LLDPDU()
/ LLDPDUChassisID(subtype=4, id=chassis_id)
/ LLDPDUPortID(subtype=3, id=port_id)
/ LLDPDUTimeToLive(ttl=120)
/ LLDPDUEndOfLLDPDU()
)
return lldp_frame
def test_lldp_cli(self):
"""Enable, send frames, show, disable, verify"""
packets = self.create_frame(self.pg0)
self.pg0.add_stream(packets)
packets = self.create_frame(self.pg1)
self.pg1.add_stream(packets)
self.vapi.cli("set lldp system-name VPP tx-hold 4 tx-interval 10")
# configure everything to increase coverage
self.vapi.cli(
f"set interface lldp pg0 port-desc vtf:pg0 mgmt-ip4"
f" {self.pg0.local_ip4} mgmt-ip6 {self.pg0.local_ip6} mgmt-oid '1234'"
)
self.vapi.cli("set interface lldp pg1 port-desc vtf:pg1")
self.pg_start()
reply = self.vapi.cli("show lldp")
expected = [
"01:02:03:04:05:06",
"07:08:09:0a:0b:0c",
"11:12:13:14:15:16",
"17:18:19:1a:1b:1c",
]
for entry in expected:
self.assertIn(entry, reply)
# only checking for an output
reply = self.vapi.cli("show lldp detail")
self.assertIn("Local Interface name: pg0", reply)
self.assertIn("Local Interface name: pg1", reply)
# disable LLDP on an interface and verify
self.vapi.cli("set interface lldp pg0 disable")
reply = self.vapi.cli("show lldp")
self.assertNotIn("pg0", reply)
class TestLldpVapi(VppTestCase):
"""LLDP plugin test [VAPI]"""
@classmethod
def setUpClass(cls):
super(TestLldpVapi, cls).setUpClass()
try:
cls.create_pg_interfaces(range(2))
for i in cls.pg_interfaces:
i.config_ip4()
i.config_ip6()
i.resolve_arp()
i.admin_up()
except Exception:
cls.tearDownClass()
raise
@classmethod
def tearDownClass(cls):
for i in cls.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
i.admin_down()
super(TestLldpVapi, cls).tearDownClass()
def test_lldp_vapi(self):
"""Enable, show, disable, verify"""
self.vapi.lldp_config(tx_hold=4, tx_interval=1, system_name="VAPI")
self.vapi.sw_interface_set_lldp(
sw_if_index=1,
mgmt_ip4=self.pg0.local_ip4,
port_desc="vtf:pg0",
)
self.vapi.sw_interface_set_lldp(
sw_if_index=2,
mgmt_ip4=self.pg1.local_ip4,
port_desc="vtf:pg1",
mgmt_ip6=self.pg1.local_ip6,
mgmt_oid=b"1",
)
# only check if LLDP gets enabled, functionality is tested in CLI class
reply = self.vapi.cli("show lldp")
self.assertIn("pg1", reply)
self.vapi.sw_interface_set_lldp(sw_if_index=2, enable=False)
reply = self.vapi.cli("show lldp")
self.assertNotIn("pg1", reply)
if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
|
