--- /dev/null
+#!/usr/bin/env python
+
+import unittest
+from logging import *
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_pppoe_interface import VppPppoeInterface, VppPppoe6Interface
+from vpp_papi_provider import L2_VTR_OP
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.ppp import PPPoE, PPPoED, PPP
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+from scapy.volatile import RandMAC, RandIP
+
+from util import ppp, ppc, mactobinary
+import socket
+
+
+class TestPPPoE(VppTestCase):
+ """ PPPoE Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestPPPoE, cls).setUpClass()
+
+ cls.session_id = 1
+ cls.dst_ip = "100.1.1.100"
+ cls.dst_ipn = socket.inet_pton(socket.AF_INET, cls.dst_ip)
+
+ def setUp(self):
+ super(TestPPPoE, self).setUp()
+
+ # create 2 pg interfaces
+ self.create_pg_interfaces(range(3))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TestPPPoE, self).tearDown()
+
+ self.logger.info(self.vapi.cli("show int"))
+ 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"))
+ self.logger.info(self.vapi.cli("show trace"))
+
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.admin_down()
+
+ def create_stream_pppoe_discovery(self, src_if, dst_if,
+ client_mac, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoED(sessionid=0) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_pppoe_lcp(self, src_if, dst_if,
+ client_mac, session_id, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoE(sessionid=session_id) /
+ PPP(proto=0xc021) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_pppoe_ip4(self, src_if, dst_if,
+ client_mac, session_id, client_ip, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoE(sessionid=session_id) /
+ PPP(proto=0x0021) /
+ IP(src=client_ip, dst=self.dst_ip) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_ip4(self, src_if, dst_if, client_ip, dst_ip, count=1):
+ pkts = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=dst_ip, dst=client_ip) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ pkts.append(p)
+
+ # return the created packet list
+ return pkts
+
+ def verify_decapped_pppoe(self, src_if, capture, sent):
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
+ def verify_encaped_pppoe(self, src_if, capture, sent, session_id):
+
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ rx_pppoe = rx[PPPoE]
+
+ self.assertEqual(rx_pppoe.sessionid, session_id)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
+ def test_PPPoE_Decap(self):
+ """ PPPoE Decap Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ 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
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ #
+ # Send tunneled packets that match the created tunnel and
+ # are decapped and forwarded
+ #
+ tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg1.get_capture(len(tx2))
+ self.verify_decapped_pppoe(self.pg0, rx2, tx2)
+
+ 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_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Encap(self):
+ """ PPPoE Encap Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ 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
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.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)
+
+ 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_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Add_Twice(self):
+ """ PPPoE Add Same Session Twice Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ 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
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ #
+ # The double create (create the same session twice) should fail,
+ # and we should still be able to use the original
+ #
+ try:
+ gre_if.add_vpp_config()
+ except Exception:
+ pass
+ else:
+ self.fail("Double GRE tunnel add does not fail")
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Del_Twice(self):
+ """ PPPoE Delete Same Session Twice Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ 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
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ #
+ # The double del (del the same session twice) should fail,
+ # and we should still be able to use the original
+ #
+ try:
+ gre_if.remove_vpp_config()
+ except Exception:
+ pass
+ else:
+ self.fail("Double GRE tunnel del does not fail")
+
+ #
+ # test case cleanup
+ #
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Decap_Multiple(self):
+ """ PPPoE Decap Multiple Sessions Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ 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)
+ 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 tunneled packets that match the created tunnel and
+ # are decapped and forwarded
+ #
+ tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg1.get_capture(len(tx2))
+ self.verify_decapped_pppoe(self.pg0, rx2, tx2)
+
+ tx5 = self.create_stream_pppoe_ip4(self.pg2, self.pg1,
+ self.pg2.remote_mac,
+ self.session_id + 1,
+ self.pg2.remote_ip4)
+ self.pg2.add_stream(tx5)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx5 = self.pg1.get_capture(len(tx5))
+ self.verify_decapped_pppoe(self.pg2, rx5, tx5)
+
+ 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()
+
+ def test_PPPoE_Encap_Multiple(self):
+ """ PPPoE Encap Multiple Sessions Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ 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)
+ 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)
Code Review / vpp.git / blobdiff