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gerrit.nordix.org / fdio / vpp / 4a72406360270a4ff0197c9c8cca43366f515aa8 / . / test / test_pppoe.py
blob: 54378673eb47bb84f338f93843bbb85b66b77bef [file] [log] [blame]
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]1#!/usr/bin/env python
2
Paul Vinciguerraa279d9c2019-02-28 09:00:09 -0800[diff] [blame]3import socket
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]4import unittest
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]5
6from scapy.packet import Raw
7from scapy.layers.l2 import Ether
8from scapy.layers.ppp import PPPoE, PPPoED, PPP
Paul Vinciguerraa279d9c2019-02-28 09:00:09 -0800[diff] [blame]9from scapy.layers.inet import IP
10
11from framework import VppTestCase, VppTestRunner
12from vpp_ip_route import VppIpRoute, VppRoutePath
13from vpp_pppoe_interface import VppPppoeInterface
Ole Troan7f991832018-12-06 17:35:12 +0100[diff] [blame]14from util import ppp, ppc
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]15
16
17class TestPPPoE(VppTestCase):
18 """ PPPoE Test Case """
19
20 @classmethod
21 def setUpClass(cls):
22 super(TestPPPoE, cls).setUpClass()
23
24 cls.session_id = 1
25 cls.dst_ip = "100.1.1.100"
26 cls.dst_ipn = socket.inet_pton(socket.AF_INET, cls.dst_ip)
27
Paul Vinciguerra7f9b7f92019-03-12 19:23:27 -0700[diff] [blame]28 @classmethod
29 def tearDownClass(cls):
30 super(TestPPPoE, cls).tearDownClass()
31
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]32 def setUp(self):
33 super(TestPPPoE, self).setUp()
34
35 # create 2 pg interfaces
36 self.create_pg_interfaces(range(3))
37
38 for i in self.pg_interfaces:
39 i.admin_up()
40 i.config_ip4()
41 i.resolve_arp()
42
43 def tearDown(self):
44 super(TestPPPoE, self).tearDown()
45
Paul Vinciguerra90cf21b2019-03-13 09:23:05 -0700[diff] [blame]46 for i in self.pg_interfaces:
47 i.unconfig_ip4()
48 i.admin_down()
49
50 def show_commands_at_teardown(self):
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]51 self.logger.info(self.vapi.cli("show int"))
52 self.logger.info(self.vapi.cli("show pppoe fib"))
53 self.logger.info(self.vapi.cli("show pppoe session"))
54 self.logger.info(self.vapi.cli("show ip fib"))
55 self.logger.info(self.vapi.cli("show trace"))
56
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]57 def create_stream_pppoe_discovery(self, src_if, dst_if,
58 client_mac, count=1):
59 packets = []
60 for i in range(count):
61 # create packet info stored in the test case instance
62 info = self.create_packet_info(src_if, dst_if)
63 # convert the info into packet payload
64 payload = self.info_to_payload(info)
65 # create the packet itself
66 p = (Ether(dst=src_if.local_mac, src=client_mac) /
67 PPPoED(sessionid=0) /
68 Raw(payload))
69 # store a copy of the packet in the packet info
70 info.data = p.copy()
71 # append the packet to the list
72 packets.append(p)
73
74 # return the created packet list
75 return packets
76
77 def create_stream_pppoe_lcp(self, src_if, dst_if,
78 client_mac, session_id, count=1):
79 packets = []
80 for i in range(count):
81 # create packet info stored in the test case instance
82 info = self.create_packet_info(src_if, dst_if)
83 # convert the info into packet payload
84 payload = self.info_to_payload(info)
85 # create the packet itself
86 p = (Ether(dst=src_if.local_mac, src=client_mac) /
87 PPPoE(sessionid=session_id) /
88 PPP(proto=0xc021) /
89 Raw(payload))
90 # store a copy of the packet in the packet info
91 info.data = p.copy()
92 # append the packet to the list
93 packets.append(p)
94
95 # return the created packet list
96 return packets
97
98 def create_stream_pppoe_ip4(self, src_if, dst_if,
99 client_mac, session_id, client_ip, count=1):
100 packets = []
101 for i in range(count):
102 # create packet info stored in the test case instance
103 info = self.create_packet_info(src_if, dst_if)
104 # convert the info into packet payload
105 payload = self.info_to_payload(info)
106 # create the packet itself
107 p = (Ether(dst=src_if.local_mac, src=client_mac) /
108 PPPoE(sessionid=session_id) /
109 PPP(proto=0x0021) /
110 IP(src=client_ip, dst=self.dst_ip) /
111 Raw(payload))
112 # store a copy of the packet in the packet info
113 info.data = p.copy()
114 # append the packet to the list
115 packets.append(p)
116
117 # return the created packet list
118 return packets
119
120 def create_stream_ip4(self, src_if, dst_if, client_ip, dst_ip, count=1):
121 pkts = []
122 for i in range(count):
123 # create packet info stored in the test case instance
124 info = self.create_packet_info(src_if, dst_if)
125 # convert the info into packet payload
126 payload = self.info_to_payload(info)
127 # create the packet itself
128 p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
129 IP(src=dst_ip, dst=client_ip) /
130 Raw(payload))
131 # store a copy of the packet in the packet info
132 info.data = p.copy()
133 # append the packet to the list
134 pkts.append(p)
135
136 # return the created packet list
137 return pkts
138
139 def verify_decapped_pppoe(self, src_if, capture, sent):
140 self.assertEqual(len(capture), len(sent))
141
142 for i in range(len(capture)):
143 try:
144 tx = sent[i]
145 rx = capture[i]
146
147 tx_ip = tx[IP]
148 rx_ip = rx[IP]
149
150 self.assertEqual(rx_ip.src, tx_ip.src)
151 self.assertEqual(rx_ip.dst, tx_ip.dst)
152
153 except:
154 self.logger.error(ppp("Rx:", rx))
155 self.logger.error(ppp("Tx:", tx))
156 raise
157
158 def verify_encaped_pppoe(self, src_if, capture, sent, session_id):
159
160 self.assertEqual(len(capture), len(sent))
161
162 for i in range(len(capture)):
163 try:
164 tx = sent[i]
165 rx = capture[i]
166
167 tx_ip = tx[IP]
168 rx_ip = rx[IP]
169
170 self.assertEqual(rx_ip.src, tx_ip.src)
171 self.assertEqual(rx_ip.dst, tx_ip.dst)
172
173 rx_pppoe = rx[PPPoE]
174
175 self.assertEqual(rx_pppoe.sessionid, session_id)
176
177 except:
178 self.logger.error(ppp("Rx:", rx))
179 self.logger.error(ppp("Tx:", tx))
180 raise
181
182 def test_PPPoE_Decap(self):
183 """ PPPoE Decap Test """
184
185 self.vapi.cli("clear trace")
186
187 #
188 # Add a route that resolves the server's destination
189 #
190 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
191 [VppRoutePath(self.pg1.remote_ip4,
192 self.pg1.sw_if_index)])
193 route_sever_dst.add_vpp_config()
194
195 # Send PPPoE Discovery
196 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
197 self.pg0.remote_mac)
198 self.pg0.add_stream(tx0)
199 self.pg_start()
200
201 # Send PPPoE PPP LCP
202 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
203 self.pg0.remote_mac,
204 self.session_id)
205 self.pg0.add_stream(tx1)
206 self.pg_start()
207
208 # Create PPPoE session
209 pppoe_if = VppPppoeInterface(self,
210 self.pg0.remote_ip4,
211 self.pg0.remote_mac,
212 self.session_id)
213 pppoe_if.add_vpp_config()
214
215 #
216 # Send tunneled packets that match the created tunnel and
217 # are decapped and forwarded
218 #
219 tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
220 self.pg0.remote_mac,
221 self.session_id,
222 self.pg0.remote_ip4)
223 self.pg0.add_stream(tx2)
224
225 self.pg_enable_capture(self.pg_interfaces)
226 self.pg_start()
227
228 rx2 = self.pg1.get_capture(len(tx2))
229 self.verify_decapped_pppoe(self.pg0, rx2, tx2)
230
231 self.logger.info(self.vapi.cli("show pppoe fib"))
232 self.logger.info(self.vapi.cli("show pppoe session"))
233 self.logger.info(self.vapi.cli("show ip fib"))
234
235 #
236 # test case cleanup
237 #
238
239 # Delete PPPoE session
240 pppoe_if.remove_vpp_config()
241
242 # Delete a route that resolves the server's destination
243 route_sever_dst.remove_vpp_config()
244
245 def test_PPPoE_Encap(self):
246 """ PPPoE Encap Test """
247
248 self.vapi.cli("clear trace")
249
250 #
251 # Add a route that resolves the server's destination
252 #
253 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
254 [VppRoutePath(self.pg1.remote_ip4,
255 self.pg1.sw_if_index)])
256 route_sever_dst.add_vpp_config()
257
258 # Send PPPoE Discovery
259 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
260 self.pg0.remote_mac)
261 self.pg0.add_stream(tx0)
262 self.pg_start()
263
264 # Send PPPoE PPP LCP
265 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
266 self.pg0.remote_mac,
267 self.session_id)
268 self.pg0.add_stream(tx1)
269 self.pg_start()
270
271 # Create PPPoE session
272 pppoe_if = VppPppoeInterface(self,
273 self.pg0.remote_ip4,
274 self.pg0.remote_mac,
275 self.session_id)
276 pppoe_if.add_vpp_config()
277
278 #
279 # Send a packet stream that is routed into the session
280 # - packets are PPPoE encapped
281 #
282 self.vapi.cli("clear trace")
283 tx2 = self.create_stream_ip4(self.pg1, self.pg0,
Neale Ranns43161a82017-08-12 02:12:00 -0700[diff] [blame]284 self.pg0.remote_ip4, self.dst_ip, 65)
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]285 self.pg1.add_stream(tx2)
286
287 self.pg_enable_capture(self.pg_interfaces)
288 self.pg_start()
289
290 rx2 = self.pg0.get_capture(len(tx2))
291 self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
292
293 self.logger.info(self.vapi.cli("show pppoe fib"))
294 self.logger.info(self.vapi.cli("show pppoe session"))
295 self.logger.info(self.vapi.cli("show ip fib"))
Neale Ranns43161a82017-08-12 02:12:00 -0700[diff] [blame]296 self.logger.info(self.vapi.cli("show adj"))
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]297
298 #
299 # test case cleanup
300 #
301
302 # Delete PPPoE session
303 pppoe_if.remove_vpp_config()
304
305 # Delete a route that resolves the server's destination
306 route_sever_dst.remove_vpp_config()
307
308 def test_PPPoE_Add_Twice(self):
309 """ PPPoE Add Same Session Twice Test """
310
311 self.vapi.cli("clear trace")
312
313 #
314 # Add a route that resolves the server's destination
315 #
316 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
317 [VppRoutePath(self.pg1.remote_ip4,
318 self.pg1.sw_if_index)])
319 route_sever_dst.add_vpp_config()
320
321 # Send PPPoE Discovery
322 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
323 self.pg0.remote_mac)
324 self.pg0.add_stream(tx0)
325 self.pg_start()
326
327 # Send PPPoE PPP LCP
328 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
329 self.pg0.remote_mac,
330 self.session_id)
331 self.pg0.add_stream(tx1)
332 self.pg_start()
333
334 # Create PPPoE session
335 pppoe_if = VppPppoeInterface(self,
336 self.pg0.remote_ip4,
337 self.pg0.remote_mac,
338 self.session_id)
339 pppoe_if.add_vpp_config()
340
341 #
342 # The double create (create the same session twice) should fail,
343 # and we should still be able to use the original
344 #
345 try:
Hongjun Niad2ddb12017-11-17 23:43:11 +0800[diff] [blame]346 pppoe_if.add_vpp_config()
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]347 except Exception:
348 pass
349 else:
350 self.fail("Double GRE tunnel add does not fail")
351
352 #
353 # test case cleanup
354 #
355
356 # Delete PPPoE session
357 pppoe_if.remove_vpp_config()
358
359 # Delete a route that resolves the server's destination
360 route_sever_dst.remove_vpp_config()
361
362 def test_PPPoE_Del_Twice(self):
363 """ PPPoE Delete Same Session Twice Test """
364
365 self.vapi.cli("clear trace")
366
367 #
368 # Add a route that resolves the server's destination
369 #
370 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
371 [VppRoutePath(self.pg1.remote_ip4,
372 self.pg1.sw_if_index)])
373 route_sever_dst.add_vpp_config()
374
375 # Send PPPoE Discovery
376 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
377 self.pg0.remote_mac)
378 self.pg0.add_stream(tx0)
379 self.pg_start()
380
381 # Send PPPoE PPP LCP
382 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
383 self.pg0.remote_mac,
384 self.session_id)
385 self.pg0.add_stream(tx1)
386 self.pg_start()
387
388 # Create PPPoE session
389 pppoe_if = VppPppoeInterface(self,
390 self.pg0.remote_ip4,
391 self.pg0.remote_mac,
392 self.session_id)
393 pppoe_if.add_vpp_config()
394
395 # Delete PPPoE session
396 pppoe_if.remove_vpp_config()
397
398 #
399 # The double del (del the same session twice) should fail,
400 # and we should still be able to use the original
401 #
402 try:
Hongjun Niad2ddb12017-11-17 23:43:11 +0800[diff] [blame]403 pppoe_if.remove_vpp_config()
Hongjun Ni62f9cdd2017-07-04 20:11:57 +0800[diff] [blame]404 except Exception:
405 pass
406 else:
407 self.fail("Double GRE tunnel del does not fail")
408
409 #
410 # test case cleanup
411 #
412
413 # Delete a route that resolves the server's destination
414 route_sever_dst.remove_vpp_config()
415
416 def test_PPPoE_Decap_Multiple(self):
417 """ PPPoE Decap Multiple Sessions Test """
418
419 self.vapi.cli("clear trace")
420
421 #
422 # Add a route that resolves the server's destination
423 #
424 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
425 [VppRoutePath(self.pg1.remote_ip4,
426 self.pg1.sw_if_index)])
427 route_sever_dst.add_vpp_config()
428
429 # Send PPPoE Discovery 1
430 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
431 self.pg0.remote_mac)
432 self.pg0.add_stream(tx0)
433 self.pg_start()
434
435 # Send PPPoE PPP LCP 1
436 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
437 self.pg0.remote_mac,
438 self.session_id)
439 self.pg0.add_stream(tx1)
440 self.pg_start()
441
442 # Create PPPoE session 1
443 pppoe_if1 = VppPppoeInterface(self,
444 self.pg0.remote_ip4,
445 self.pg0.remote_mac,
446 self.session_id)
447 pppoe_if1.add_vpp_config()
448
449 # Send PPPoE Discovery 2
450 tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
451 self.pg2.remote_mac)
452 self.pg2.add_stream(tx3)
453 self.pg_start()
454
455 # Send PPPoE PPP LCP 2
456 tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
457 self.pg2.remote_mac,
458 self.session_id + 1)
459 self.pg2.add_stream(tx4)
460 self.pg_start()
461
462 # Create PPPoE session 2
463 pppoe_if2 = VppPppoeInterface(self,
464 self.pg2.remote_ip4,
465 self.pg2.remote_mac,
466 self.session_id + 1)
467 pppoe_if2.add_vpp_config()
468
469 #
470 # Send tunneled packets that match the created tunnel and
471 # are decapped and forwarded
472 #
473 tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
474 self.pg0.remote_mac,
475 self.session_id,
476 self.pg0.remote_ip4)
477 self.pg0.add_stream(tx2)
478
479 self.pg_enable_capture(self.pg_interfaces)
480 self.pg_start()
481
482 rx2 = self.pg1.get_capture(len(tx2))
483 self.verify_decapped_pppoe(self.pg0, rx2, tx2)
484
485 tx5 = self.create_stream_pppoe_ip4(self.pg2, self.pg1,
486 self.pg2.remote_mac,
487 self.session_id + 1,
488 self.pg2.remote_ip4)
489 self.pg2.add_stream(tx5)
490
491 self.pg_enable_capture(self.pg_interfaces)
492 self.pg_start()
493
494 rx5 = self.pg1.get_capture(len(tx5))
495 self.verify_decapped_pppoe(self.pg2, rx5, tx5)
496
497 self.logger.info(self.vapi.cli("show pppoe fib"))
498 self.logger.info(self.vapi.cli("show pppoe session"))
499 self.logger.info(self.vapi.cli("show ip fib"))
500
501 #
502 # test case cleanup
503 #
504
505 # Delete PPPoE session
506 pppoe_if1.remove_vpp_config()
507 pppoe_if2.remove_vpp_config()
508
509 # Delete a route that resolves the server's destination
510 route_sever_dst.remove_vpp_config()
511
512 def test_PPPoE_Encap_Multiple(self):
513 """ PPPoE Encap Multiple Sessions Test """
514
515 self.vapi.cli("clear trace")
516
517 #
518 # Add a route that resolves the server's destination
519 #
520 route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
521 [VppRoutePath(self.pg1.remote_ip4,
522 self.pg1.sw_if_index)])
523 route_sever_dst.add_vpp_config()
524
525 # Send PPPoE Discovery 1
526 tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
527 self.pg0.remote_mac)
528 self.pg0.add_stream(tx0)
529 self.pg_start()
530
531 # Send PPPoE PPP LCP 1
532 tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
533 self.pg0.remote_mac,
534 self.session_id)
535 self.pg0.add_stream(tx1)
536 self.pg_start()
537
538 # Create PPPoE session 1
539 pppoe_if1 = VppPppoeInterface(self,
540 self.pg0.remote_ip4,
541 self.pg0.remote_mac,
542 self.session_id)
543 pppoe_if1.add_vpp_config()
544
545 # Send PPPoE Discovery 2
546 tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
547 self.pg2.remote_mac)
548 self.pg2.add_stream(tx3)
549 self.pg_start()
550
551 # Send PPPoE PPP LCP 2
552 tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
553 self.pg2.remote_mac,
554 self.session_id + 1)
555 self.pg2.add_stream(tx4)
556 self.pg_start()
557
558 # Create PPPoE session 2
559 pppoe_if2 = VppPppoeInterface(self,
560 self.pg2.remote_ip4,
561 self.pg2.remote_mac,
562 self.session_id + 1)
563 pppoe_if2.add_vpp_config()
564
565 #
566 # Send a packet stream that is routed into the session
567 # - packets are PPPoE encapped
568 #
569 self.vapi.cli("clear trace")
570 tx2 = self.create_stream_ip4(self.pg1, self.pg0,
571 self.pg0.remote_ip4, self.dst_ip)
572 self.pg1.add_stream(tx2)
573
574 self.pg_enable_capture(self.pg_interfaces)
575 self.pg_start()
576
577 rx2 = self.pg0.get_capture(len(tx2))
578 self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
579
580 tx5 = self.create_stream_ip4(self.pg1, self.pg2,
581 self.pg2.remote_ip4, self.dst_ip)
582 self.pg1.add_stream(tx5)
583
584 self.pg_enable_capture(self.pg_interfaces)
585 self.pg_start()
586
587 rx5 = self.pg2.get_capture(len(tx5))
588 self.verify_encaped_pppoe(self.pg1, rx5, tx5, self.session_id + 1)
589
590 self.logger.info(self.vapi.cli("show pppoe fib"))
591 self.logger.info(self.vapi.cli("show pppoe session"))
592 self.logger.info(self.vapi.cli("show ip fib"))
593
594 #
595 # test case cleanup
596 #
597
598 # Delete PPPoE session
599 pppoe_if1.remove_vpp_config()
600 pppoe_if2.remove_vpp_config()
601
602 # Delete a route that resolves the server's destination
603 route_sever_dst.remove_vpp_config()
604
605if __name__ == '__main__':
606 unittest.main(testRunner=VppTestRunner)