7f9b7f9f49
Continuation/Part 2 of https://gerrit.fd.io/r/#/c/17092/ Change-Id: Id0122d84eaf2c05d29e5be63a594d5e528ee7c9a Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
606 lines
20 KiB
Python
606 lines
20 KiB
Python
#!/usr/bin/env python
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import socket
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import unittest
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from scapy.packet import Raw
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from scapy.layers.l2 import Ether
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from scapy.layers.ppp import PPPoE, PPPoED, PPP
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from scapy.layers.inet import IP
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from framework import VppTestCase, VppTestRunner
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from vpp_ip_route import VppIpRoute, VppRoutePath
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from vpp_pppoe_interface import VppPppoeInterface
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from util import ppp, ppc
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class TestPPPoE(VppTestCase):
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""" PPPoE Test Case """
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@classmethod
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def setUpClass(cls):
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super(TestPPPoE, cls).setUpClass()
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cls.session_id = 1
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cls.dst_ip = "100.1.1.100"
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cls.dst_ipn = socket.inet_pton(socket.AF_INET, cls.dst_ip)
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@classmethod
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def tearDownClass(cls):
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super(TestPPPoE, cls).tearDownClass()
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def setUp(self):
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super(TestPPPoE, self).setUp()
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# create 2 pg interfaces
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self.create_pg_interfaces(range(3))
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for i in self.pg_interfaces:
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i.admin_up()
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i.config_ip4()
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i.resolve_arp()
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def tearDown(self):
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super(TestPPPoE, self).tearDown()
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self.logger.info(self.vapi.cli("show int"))
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self.logger.info(self.vapi.cli("show pppoe fib"))
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self.logger.info(self.vapi.cli("show pppoe session"))
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self.logger.info(self.vapi.cli("show ip fib"))
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self.logger.info(self.vapi.cli("show trace"))
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for i in self.pg_interfaces:
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i.unconfig_ip4()
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i.admin_down()
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def create_stream_pppoe_discovery(self, src_if, dst_if,
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client_mac, count=1):
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packets = []
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for i in range(count):
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# create packet info stored in the test case instance
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info = self.create_packet_info(src_if, dst_if)
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# convert the info into packet payload
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payload = self.info_to_payload(info)
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# create the packet itself
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p = (Ether(dst=src_if.local_mac, src=client_mac) /
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PPPoED(sessionid=0) /
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Raw(payload))
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# store a copy of the packet in the packet info
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info.data = p.copy()
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# append the packet to the list
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packets.append(p)
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# return the created packet list
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return packets
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def create_stream_pppoe_lcp(self, src_if, dst_if,
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client_mac, session_id, count=1):
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packets = []
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for i in range(count):
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# create packet info stored in the test case instance
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info = self.create_packet_info(src_if, dst_if)
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# convert the info into packet payload
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payload = self.info_to_payload(info)
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# create the packet itself
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p = (Ether(dst=src_if.local_mac, src=client_mac) /
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PPPoE(sessionid=session_id) /
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PPP(proto=0xc021) /
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Raw(payload))
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# store a copy of the packet in the packet info
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info.data = p.copy()
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# append the packet to the list
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packets.append(p)
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# return the created packet list
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return packets
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def create_stream_pppoe_ip4(self, src_if, dst_if,
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client_mac, session_id, client_ip, count=1):
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packets = []
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for i in range(count):
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# create packet info stored in the test case instance
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info = self.create_packet_info(src_if, dst_if)
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# convert the info into packet payload
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payload = self.info_to_payload(info)
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# create the packet itself
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p = (Ether(dst=src_if.local_mac, src=client_mac) /
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PPPoE(sessionid=session_id) /
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PPP(proto=0x0021) /
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IP(src=client_ip, dst=self.dst_ip) /
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Raw(payload))
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# store a copy of the packet in the packet info
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info.data = p.copy()
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# append the packet to the list
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packets.append(p)
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# return the created packet list
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return packets
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def create_stream_ip4(self, src_if, dst_if, client_ip, dst_ip, count=1):
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pkts = []
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for i in range(count):
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# create packet info stored in the test case instance
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info = self.create_packet_info(src_if, dst_if)
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# convert the info into packet payload
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payload = self.info_to_payload(info)
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# create the packet itself
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p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
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IP(src=dst_ip, dst=client_ip) /
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Raw(payload))
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# store a copy of the packet in the packet info
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info.data = p.copy()
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# append the packet to the list
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pkts.append(p)
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# return the created packet list
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return pkts
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def verify_decapped_pppoe(self, src_if, capture, sent):
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self.assertEqual(len(capture), len(sent))
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for i in range(len(capture)):
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try:
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tx = sent[i]
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rx = capture[i]
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tx_ip = tx[IP]
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rx_ip = rx[IP]
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self.assertEqual(rx_ip.src, tx_ip.src)
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self.assertEqual(rx_ip.dst, tx_ip.dst)
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except:
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self.logger.error(ppp("Rx:", rx))
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self.logger.error(ppp("Tx:", tx))
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raise
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def verify_encaped_pppoe(self, src_if, capture, sent, session_id):
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self.assertEqual(len(capture), len(sent))
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for i in range(len(capture)):
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try:
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tx = sent[i]
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rx = capture[i]
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tx_ip = tx[IP]
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rx_ip = rx[IP]
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self.assertEqual(rx_ip.src, tx_ip.src)
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self.assertEqual(rx_ip.dst, tx_ip.dst)
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rx_pppoe = rx[PPPoE]
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self.assertEqual(rx_pppoe.sessionid, session_id)
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except:
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self.logger.error(ppp("Rx:", rx))
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self.logger.error(ppp("Tx:", tx))
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raise
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def test_PPPoE_Decap(self):
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""" PPPoE Decap Test """
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self.vapi.cli("clear trace")
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#
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# Add a route that resolves the server's destination
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#
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route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
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[VppRoutePath(self.pg1.remote_ip4,
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self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
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# Send PPPoE Discovery
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tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
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self.pg0.remote_mac)
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self.pg0.add_stream(tx0)
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self.pg_start()
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# Send PPPoE PPP LCP
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tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id)
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self.pg0.add_stream(tx1)
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self.pg_start()
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# Create PPPoE session
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pppoe_if = VppPppoeInterface(self,
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self.pg0.remote_ip4,
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self.pg0.remote_mac,
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self.session_id)
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pppoe_if.add_vpp_config()
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#
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# Send tunneled packets that match the created tunnel and
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# are decapped and forwarded
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#
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tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id,
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self.pg0.remote_ip4)
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self.pg0.add_stream(tx2)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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rx2 = self.pg1.get_capture(len(tx2))
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self.verify_decapped_pppoe(self.pg0, rx2, tx2)
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self.logger.info(self.vapi.cli("show pppoe fib"))
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self.logger.info(self.vapi.cli("show pppoe session"))
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self.logger.info(self.vapi.cli("show ip fib"))
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#
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# test case cleanup
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#
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# Delete PPPoE session
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pppoe_if.remove_vpp_config()
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# Delete a route that resolves the server's destination
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route_sever_dst.remove_vpp_config()
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def test_PPPoE_Encap(self):
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""" PPPoE Encap Test """
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self.vapi.cli("clear trace")
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#
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# Add a route that resolves the server's destination
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#
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route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
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[VppRoutePath(self.pg1.remote_ip4,
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self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
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# Send PPPoE Discovery
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tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
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self.pg0.remote_mac)
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self.pg0.add_stream(tx0)
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self.pg_start()
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# Send PPPoE PPP LCP
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tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id)
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self.pg0.add_stream(tx1)
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self.pg_start()
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# Create PPPoE session
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pppoe_if = VppPppoeInterface(self,
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self.pg0.remote_ip4,
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self.pg0.remote_mac,
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self.session_id)
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pppoe_if.add_vpp_config()
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#
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# Send a packet stream that is routed into the session
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# - packets are PPPoE encapped
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#
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self.vapi.cli("clear trace")
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tx2 = self.create_stream_ip4(self.pg1, self.pg0,
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self.pg0.remote_ip4, self.dst_ip, 65)
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self.pg1.add_stream(tx2)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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rx2 = self.pg0.get_capture(len(tx2))
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self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
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self.logger.info(self.vapi.cli("show pppoe fib"))
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self.logger.info(self.vapi.cli("show pppoe session"))
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self.logger.info(self.vapi.cli("show ip fib"))
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self.logger.info(self.vapi.cli("show adj"))
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#
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# test case cleanup
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#
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# Delete PPPoE session
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pppoe_if.remove_vpp_config()
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# Delete a route that resolves the server's destination
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route_sever_dst.remove_vpp_config()
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def test_PPPoE_Add_Twice(self):
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""" PPPoE Add Same Session Twice Test """
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self.vapi.cli("clear trace")
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#
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# Add a route that resolves the server's destination
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#
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route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
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[VppRoutePath(self.pg1.remote_ip4,
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self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
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# Send PPPoE Discovery
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tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
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self.pg0.remote_mac)
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self.pg0.add_stream(tx0)
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self.pg_start()
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# Send PPPoE PPP LCP
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tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id)
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self.pg0.add_stream(tx1)
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self.pg_start()
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# Create PPPoE session
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pppoe_if = VppPppoeInterface(self,
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self.pg0.remote_ip4,
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self.pg0.remote_mac,
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self.session_id)
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pppoe_if.add_vpp_config()
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#
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# The double create (create the same session twice) should fail,
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# and we should still be able to use the original
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#
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try:
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pppoe_if.add_vpp_config()
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except Exception:
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pass
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else:
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self.fail("Double GRE tunnel add does not fail")
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#
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# test case cleanup
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#
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# Delete PPPoE session
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pppoe_if.remove_vpp_config()
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# Delete a route that resolves the server's destination
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route_sever_dst.remove_vpp_config()
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def test_PPPoE_Del_Twice(self):
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""" PPPoE Delete Same Session Twice Test """
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self.vapi.cli("clear trace")
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#
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# Add a route that resolves the server's destination
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#
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route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
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[VppRoutePath(self.pg1.remote_ip4,
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self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
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# Send PPPoE Discovery
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tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
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self.pg0.remote_mac)
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self.pg0.add_stream(tx0)
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self.pg_start()
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# Send PPPoE PPP LCP
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tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id)
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self.pg0.add_stream(tx1)
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self.pg_start()
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# Create PPPoE session
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pppoe_if = VppPppoeInterface(self,
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self.pg0.remote_ip4,
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self.pg0.remote_mac,
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self.session_id)
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pppoe_if.add_vpp_config()
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# Delete PPPoE session
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pppoe_if.remove_vpp_config()
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#
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# The double del (del the same session twice) should fail,
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# and we should still be able to use the original
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#
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try:
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pppoe_if.remove_vpp_config()
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except Exception:
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pass
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else:
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self.fail("Double GRE tunnel del does not fail")
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#
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# test case cleanup
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#
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# Delete a route that resolves the server's destination
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route_sever_dst.remove_vpp_config()
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def test_PPPoE_Decap_Multiple(self):
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""" PPPoE Decap Multiple Sessions Test """
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self.vapi.cli("clear trace")
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#
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# Add a route that resolves the server's destination
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#
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route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
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[VppRoutePath(self.pg1.remote_ip4,
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self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
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# Send PPPoE Discovery 1
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tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
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self.pg0.remote_mac)
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self.pg0.add_stream(tx0)
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self.pg_start()
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# Send PPPoE PPP LCP 1
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tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id)
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self.pg0.add_stream(tx1)
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self.pg_start()
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# Create PPPoE session 1
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pppoe_if1 = VppPppoeInterface(self,
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self.pg0.remote_ip4,
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self.pg0.remote_mac,
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self.session_id)
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pppoe_if1.add_vpp_config()
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# Send PPPoE Discovery 2
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tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
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self.pg2.remote_mac)
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self.pg2.add_stream(tx3)
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self.pg_start()
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# Send PPPoE PPP LCP 2
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tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
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self.pg2.remote_mac,
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self.session_id + 1)
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self.pg2.add_stream(tx4)
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self.pg_start()
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# Create PPPoE session 2
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pppoe_if2 = VppPppoeInterface(self,
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self.pg2.remote_ip4,
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self.pg2.remote_mac,
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self.session_id + 1)
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pppoe_if2.add_vpp_config()
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#
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# Send tunneled packets that match the created tunnel and
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# are decapped and forwarded
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#
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tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
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self.pg0.remote_mac,
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self.session_id,
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self.pg0.remote_ip4)
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self.pg0.add_stream(tx2)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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rx2 = self.pg1.get_capture(len(tx2))
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self.verify_decapped_pppoe(self.pg0, rx2, tx2)
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tx5 = self.create_stream_pppoe_ip4(self.pg2, self.pg1,
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self.pg2.remote_mac,
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self.session_id + 1,
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self.pg2.remote_ip4)
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self.pg2.add_stream(tx5)
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self.pg_enable_capture(self.pg_interfaces)
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self.pg_start()
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rx5 = self.pg1.get_capture(len(tx5))
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self.verify_decapped_pppoe(self.pg2, rx5, tx5)
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self.logger.info(self.vapi.cli("show pppoe fib"))
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self.logger.info(self.vapi.cli("show pppoe session"))
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self.logger.info(self.vapi.cli("show ip fib"))
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#
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# test case cleanup
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#
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# Delete PPPoE session
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pppoe_if1.remove_vpp_config()
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pppoe_if2.remove_vpp_config()
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|
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# Delete a route that resolves the server's destination
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route_sever_dst.remove_vpp_config()
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|
|
|
def test_PPPoE_Encap_Multiple(self):
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""" PPPoE Encap Multiple Sessions Test """
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|
|
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self.vapi.cli("clear trace")
|
|
|
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#
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# Add a route that resolves the server's destination
|
|
#
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|
route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
|
|
[VppRoutePath(self.pg1.remote_ip4,
|
|
self.pg1.sw_if_index)])
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route_sever_dst.add_vpp_config()
|
|
|
|
# Send PPPoE Discovery 1
|
|
tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
|
|
self.pg0.remote_mac)
|
|
self.pg0.add_stream(tx0)
|
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self.pg_start()
|
|
|
|
# Send PPPoE PPP LCP 1
|
|
tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
|
|
self.pg0.remote_mac,
|
|
self.session_id)
|
|
self.pg0.add_stream(tx1)
|
|
self.pg_start()
|
|
|
|
# Create PPPoE session 1
|
|
pppoe_if1 = VppPppoeInterface(self,
|
|
self.pg0.remote_ip4,
|
|
self.pg0.remote_mac,
|
|
self.session_id)
|
|
pppoe_if1.add_vpp_config()
|
|
|
|
# Send PPPoE Discovery 2
|
|
tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
|
|
self.pg2.remote_mac)
|
|
self.pg2.add_stream(tx3)
|
|
self.pg_start()
|
|
|
|
# Send PPPoE PPP LCP 2
|
|
tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
|
|
self.pg2.remote_mac,
|
|
self.session_id + 1)
|
|
self.pg2.add_stream(tx4)
|
|
self.pg_start()
|
|
|
|
# Create PPPoE session 2
|
|
pppoe_if2 = VppPppoeInterface(self,
|
|
self.pg2.remote_ip4,
|
|
self.pg2.remote_mac,
|
|
self.session_id + 1)
|
|
pppoe_if2.add_vpp_config()
|
|
|
|
#
|
|
# Send a packet stream that is routed into the session
|
|
# - packets are PPPoE encapped
|
|
#
|
|
self.vapi.cli("clear trace")
|
|
tx2 = self.create_stream_ip4(self.pg1, self.pg0,
|
|
self.pg0.remote_ip4, self.dst_ip)
|
|
self.pg1.add_stream(tx2)
|
|
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
rx2 = self.pg0.get_capture(len(tx2))
|
|
self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
|
|
|
|
tx5 = self.create_stream_ip4(self.pg1, self.pg2,
|
|
self.pg2.remote_ip4, self.dst_ip)
|
|
self.pg1.add_stream(tx5)
|
|
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
rx5 = self.pg2.get_capture(len(tx5))
|
|
self.verify_encaped_pppoe(self.pg1, rx5, tx5, self.session_id + 1)
|
|
|
|
self.logger.info(self.vapi.cli("show pppoe fib"))
|
|
self.logger.info(self.vapi.cli("show pppoe session"))
|
|
self.logger.info(self.vapi.cli("show ip fib"))
|
|
|
|
#
|
|
# test case cleanup
|
|
#
|
|
|
|
# Delete PPPoE session
|
|
pppoe_if1.remove_vpp_config()
|
|
pppoe_if2.remove_vpp_config()
|
|
|
|
# Delete a route that resolves the server's destination
|
|
route_sever_dst.remove_vpp_config()
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(testRunner=VppTestRunner)
|