3 from socket import inet_pton, inet_ntop
6 from parameterized import parameterized
8 import scapy.layers.inet6 as inet6
9 from scapy.contrib.mpls import MPLS
10 from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \
11 ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \
12 ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \
13 ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply, \
14 IPv6ExtHdrHopByHop, ICMPv6MLReport2, ICMPv6MLDMultAddrRec
15 from scapy.layers.l2 import Ether, Dot1Q
16 from scapy.packet import Raw
17 from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \
21 from framework import VppTestCase, VppTestRunner
22 from util import ppp, ip6_normalize, mk_ll_addr
23 from vpp_ip import DpoProto
24 from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \
25 VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
26 VppMplsRoute, VppMplsTable, VppIpTable, FibPathType, FibPathProto, \
27 VppIpInterfaceAddress, find_route_in_dump, find_mroute_in_dump
28 from vpp_neighbor import find_nbr, VppNeighbor
29 from vpp_pg_interface import is_ipv6_misc
30 from vpp_sub_interface import VppSubInterface, VppDot1QSubint
31 from vpp_policer import VppPolicer
32 from ipaddress import IPv6Network, IPv6Address
34 AF_INET6 = socket.AF_INET6
44 class TestIPv6ND(VppTestCase):
45 def validate_ra(self, intf, rx, dst_ip=None):
47 dst_ip = intf.remote_ip6
49 # unicasted packets must come to the unicast mac
50 self.assertEqual(rx[Ether].dst, intf.remote_mac)
52 # and from the router's MAC
53 self.assertEqual(rx[Ether].src, intf.local_mac)
55 # the rx'd RA should be addressed to the sender's source
56 self.assertTrue(rx.haslayer(ICMPv6ND_RA))
57 self.assertEqual(in6_ptop(rx[IPv6].dst),
60 # and come from the router's link local
61 self.assertTrue(in6_islladdr(rx[IPv6].src))
62 self.assertEqual(in6_ptop(rx[IPv6].src),
63 in6_ptop(mk_ll_addr(intf.local_mac)))
65 def validate_na(self, intf, rx, dst_ip=None, tgt_ip=None):
67 dst_ip = intf.remote_ip6
69 dst_ip = intf.local_ip6
71 # unicasted packets must come to the unicast mac
72 self.assertEqual(rx[Ether].dst, intf.remote_mac)
74 # and from the router's MAC
75 self.assertEqual(rx[Ether].src, intf.local_mac)
77 # the rx'd NA should be addressed to the sender's source
78 self.assertTrue(rx.haslayer(ICMPv6ND_NA))
79 self.assertEqual(in6_ptop(rx[IPv6].dst),
82 # and come from the target address
84 in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip))
86 # Dest link-layer options should have the router's MAC
87 dll = rx[ICMPv6NDOptDstLLAddr]
88 self.assertEqual(dll.lladdr, intf.local_mac)
90 def validate_ns(self, intf, rx, tgt_ip):
91 nsma = in6_getnsma(inet_pton(AF_INET6, tgt_ip))
92 dst_ip = inet_ntop(AF_INET6, nsma)
95 self.assertEqual(rx[Ether].dst, in6_getnsmac(nsma))
97 # and from the router's MAC
98 self.assertEqual(rx[Ether].src, intf.local_mac)
100 # the rx'd NS should be addressed to an mcast address
101 # derived from the target address
103 in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
105 # expect the tgt IP in the NS header
107 self.assertEqual(in6_ptop(ns.tgt), in6_ptop(tgt_ip))
109 # packet is from the router's local address
111 in6_ptop(rx[IPv6].src), intf.local_ip6)
113 # Src link-layer options should have the router's MAC
114 sll = rx[ICMPv6NDOptSrcLLAddr]
115 self.assertEqual(sll.lladdr, intf.local_mac)
117 def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
118 filter_out_fn=is_ipv6_misc):
119 intf.add_stream(pkts)
120 self.pg_enable_capture(self.pg_interfaces)
122 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
124 self.assertEqual(len(rx), 1)
126 self.validate_ra(intf, rx, dst_ip)
128 def send_and_expect_na(self, intf, pkts, remark, dst_ip=None,
130 filter_out_fn=is_ipv6_misc):
131 intf.add_stream(pkts)
132 self.pg_enable_capture(self.pg_interfaces)
134 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
136 self.assertEqual(len(rx), 1)
138 self.validate_na(intf, rx, dst_ip, tgt_ip)
140 def send_and_expect_ns(self, tx_intf, rx_intf, pkts, tgt_ip,
141 filter_out_fn=is_ipv6_misc):
142 self.vapi.cli("clear trace")
143 tx_intf.add_stream(pkts)
144 self.pg_enable_capture(self.pg_interfaces)
146 rx = rx_intf.get_capture(1, filter_out_fn=filter_out_fn)
148 self.assertEqual(len(rx), 1)
150 self.validate_ns(rx_intf, rx, tgt_ip)
152 def verify_ip(self, rx, smac, dmac, sip, dip):
154 self.assertEqual(ether.dst, dmac)
155 self.assertEqual(ether.src, smac)
158 self.assertEqual(ip.src, sip)
159 self.assertEqual(ip.dst, dip)
162 class TestIPv6(TestIPv6ND):
163 """ IPv6 Test Case """
167 super(TestIPv6, cls).setUpClass()
170 def tearDownClass(cls):
171 super(TestIPv6, cls).tearDownClass()
175 Perform test setup before test case.
178 - create 3 pg interfaces
179 - untagged pg0 interface
180 - Dot1Q subinterface on pg1
181 - Dot1AD subinterface on pg2
183 - put it into UP state
185 - resolve neighbor address using NDP
186 - configure 200 fib entries
188 :ivar list interfaces: pg interfaces and subinterfaces.
189 :ivar dict flows: IPv4 packet flows in test.
191 *TODO:* Create AD sub interface
193 super(TestIPv6, self).setUp()
195 # create 3 pg interfaces
196 self.create_pg_interfaces(range(3))
198 # create 2 subinterfaces for p1 and pg2
199 self.sub_interfaces = [
200 VppDot1QSubint(self, self.pg1, 100),
201 VppDot1QSubint(self, self.pg2, 200)
202 # TODO: VppDot1ADSubint(self, self.pg2, 200, 300, 400)
205 # packet flows mapping pg0 -> pg1.sub, pg2.sub, etc.
207 self.flows[self.pg0] = [self.pg1.sub_if, self.pg2.sub_if]
208 self.flows[self.pg1.sub_if] = [self.pg0, self.pg2.sub_if]
209 self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if]
212 self.pg_if_packet_sizes = [64, 1500, 9020]
214 self.interfaces = list(self.pg_interfaces)
215 self.interfaces.extend(self.sub_interfaces)
217 # setup all interfaces
218 for i in self.interfaces:
224 """Run standard test teardown and log ``show ip6 neighbors``."""
225 for i in self.interfaces:
228 for i in self.sub_interfaces:
229 i.remove_vpp_config()
231 super(TestIPv6, self).tearDown()
232 if not self.vpp_dead:
233 self.logger.info(self.vapi.cli("show ip6 neighbors"))
234 # info(self.vapi.cli("show ip6 fib")) # many entries
236 def modify_packet(self, src_if, packet_size, pkt):
237 """Add load, set destination IP and extend packet to required packet
238 size for defined interface.
240 :param VppInterface src_if: Interface to create packet for.
241 :param int packet_size: Required packet size.
242 :param Scapy pkt: Packet to be modified.
244 dst_if_idx = int(packet_size / 10 % 2)
245 dst_if = self.flows[src_if][dst_if_idx]
246 info = self.create_packet_info(src_if, dst_if)
247 payload = self.info_to_payload(info)
248 p = pkt / Raw(payload)
249 p[IPv6].dst = dst_if.remote_ip6
251 if isinstance(src_if, VppSubInterface):
252 p = src_if.add_dot1_layer(p)
253 self.extend_packet(p, packet_size)
257 def create_stream(self, src_if):
258 """Create input packet stream for defined interface.
260 :param VppInterface src_if: Interface to create packet stream for.
262 hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0
263 pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
264 IPv6(src=src_if.remote_ip6) /
265 inet6.UDP(sport=1234, dport=1234))
267 pkts = [self.modify_packet(src_if, i, pkt_tmpl)
268 for i in moves.range(self.pg_if_packet_sizes[0],
269 self.pg_if_packet_sizes[1], 10)]
270 pkts_b = [self.modify_packet(src_if, i, pkt_tmpl)
271 for i in moves.range(self.pg_if_packet_sizes[1] + hdr_ext,
272 self.pg_if_packet_sizes[2] + hdr_ext,
278 def verify_capture(self, dst_if, capture):
279 """Verify captured input packet stream for defined interface.
281 :param VppInterface dst_if: Interface to verify captured packet stream
283 :param list capture: Captured packet stream.
285 self.logger.info("Verifying capture on interface %s" % dst_if.name)
287 for i in self.interfaces:
288 last_info[i.sw_if_index] = None
290 dst_sw_if_index = dst_if.sw_if_index
291 if hasattr(dst_if, 'parent'):
293 for packet in capture:
295 # Check VLAN tags and Ethernet header
296 packet = dst_if.remove_dot1_layer(packet)
297 self.assertTrue(Dot1Q not in packet)
300 udp = packet[inet6.UDP]
301 payload_info = self.payload_to_info(packet[Raw])
302 packet_index = payload_info.index
303 self.assertEqual(payload_info.dst, dst_sw_if_index)
305 "Got packet on port %s: src=%u (id=%u)" %
306 (dst_if.name, payload_info.src, packet_index))
307 next_info = self.get_next_packet_info_for_interface2(
308 payload_info.src, dst_sw_if_index,
309 last_info[payload_info.src])
310 last_info[payload_info.src] = next_info
311 self.assertTrue(next_info is not None)
312 self.assertEqual(packet_index, next_info.index)
313 saved_packet = next_info.data
314 # Check standard fields
316 ip.src, saved_packet[IPv6].src)
318 ip.dst, saved_packet[IPv6].dst)
320 udp.sport, saved_packet[inet6.UDP].sport)
322 udp.dport, saved_packet[inet6.UDP].dport)
324 self.logger.error(ppp("Unexpected or invalid packet:", packet))
326 for i in self.interfaces:
327 remaining_packet = self.get_next_packet_info_for_interface2(
328 i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
329 self.assertTrue(remaining_packet is None,
330 "Interface %s: Packet expected from interface %s "
331 "didn't arrive" % (dst_if.name, i.name))
333 def test_next_header_anomaly(self):
334 """ IPv6 next header anomaly test
337 - ipv6 next header field = Fragment Header (44)
338 - next header is ICMPv6 Echo Request
339 - wait for reassembly
341 pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
342 IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=44) /
345 self.pg0.add_stream(pkt)
348 # wait for reassembly
355 - Create IPv6 stream for pg0 interface
356 - Create IPv6 tagged streams for pg1's and pg2's subinterface.
357 - Send and verify received packets on each interface.
360 pkts = self.create_stream(self.pg0)
361 self.pg0.add_stream(pkts)
363 for i in self.sub_interfaces:
364 pkts = self.create_stream(i)
365 i.parent.add_stream(pkts)
367 self.pg_enable_capture(self.pg_interfaces)
370 pkts = self.pg0.get_capture()
371 self.verify_capture(self.pg0, pkts)
373 for i in self.sub_interfaces:
374 pkts = i.parent.get_capture()
375 self.verify_capture(i, pkts)
378 """ IPv6 Neighbour Solicitation Exceptions
381 - Send an NS Sourced from an address not covered by the link sub-net
382 - Send an NS to an mcast address the router has not joined
383 - Send NS for a target address the router does not onn.
387 # An NS from a non link source address
389 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
390 d = inet_ntop(AF_INET6, nsma)
392 p = (Ether(dst=in6_getnsmac(nsma)) /
393 IPv6(dst=d, src="2002::2") /
394 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
395 ICMPv6NDOptSrcLLAddr(
396 lladdr=self.pg0.remote_mac))
399 self.send_and_assert_no_replies(
401 "No response to NS source by address not on sub-net")
404 # An NS for sent to a solicited mcast group the router is
405 # not a member of FAILS
408 nsma = in6_getnsma(inet_pton(AF_INET6, "fd::ffff"))
409 d = inet_ntop(AF_INET6, nsma)
411 p = (Ether(dst=in6_getnsmac(nsma)) /
412 IPv6(dst=d, src=self.pg0.remote_ip6) /
413 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
414 ICMPv6NDOptSrcLLAddr(
415 lladdr=self.pg0.remote_mac))
418 self.send_and_assert_no_replies(
420 "No response to NS sent to unjoined mcast address")
423 # An NS whose target address is one the router does not own
425 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
426 d = inet_ntop(AF_INET6, nsma)
428 p = (Ether(dst=in6_getnsmac(nsma)) /
429 IPv6(dst=d, src=self.pg0.remote_ip6) /
430 ICMPv6ND_NS(tgt="fd::ffff") /
431 ICMPv6NDOptSrcLLAddr(
432 lladdr=self.pg0.remote_mac))
435 self.send_and_assert_no_replies(self.pg0, pkts,
436 "No response to NS for unknown target")
439 # A neighbor entry that has no associated FIB-entry
441 self.pg0.generate_remote_hosts(4)
442 nd_entry = VppNeighbor(self,
443 self.pg0.sw_if_index,
444 self.pg0.remote_hosts[2].mac,
445 self.pg0.remote_hosts[2].ip6,
447 nd_entry.add_vpp_config()
450 # check we have the neighbor, but no route
452 self.assertTrue(find_nbr(self,
453 self.pg0.sw_if_index,
454 self.pg0._remote_hosts[2].ip6))
455 self.assertFalse(find_route(self,
456 self.pg0._remote_hosts[2].ip6,
460 # send an NS from a link local address to the interface's global
463 p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
465 dst=d, src=self.pg0._remote_hosts[2].ip6_ll) /
466 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
467 ICMPv6NDOptSrcLLAddr(
468 lladdr=self.pg0.remote_mac))
470 self.send_and_expect_na(self.pg0, p,
471 "NS from link-local",
472 dst_ip=self.pg0._remote_hosts[2].ip6_ll,
473 tgt_ip=self.pg0.local_ip6)
476 # we should have learned an ND entry for the peer's link-local
477 # but not inserted a route to it in the FIB
479 self.assertTrue(find_nbr(self,
480 self.pg0.sw_if_index,
481 self.pg0._remote_hosts[2].ip6_ll))
482 self.assertFalse(find_route(self,
483 self.pg0._remote_hosts[2].ip6_ll,
487 # An NS to the router's own Link-local
489 p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
491 dst=d, src=self.pg0._remote_hosts[3].ip6_ll) /
492 ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll) /
493 ICMPv6NDOptSrcLLAddr(
494 lladdr=self.pg0.remote_mac))
496 self.send_and_expect_na(self.pg0, p,
497 "NS to/from link-local",
498 dst_ip=self.pg0._remote_hosts[3].ip6_ll,
499 tgt_ip=self.pg0.local_ip6_ll)
502 # we should have learned an ND entry for the peer's link-local
503 # but not inserted a route to it in the FIB
505 self.assertTrue(find_nbr(self,
506 self.pg0.sw_if_index,
507 self.pg0._remote_hosts[3].ip6_ll))
508 self.assertFalse(find_route(self,
509 self.pg0._remote_hosts[3].ip6_ll,
512 def test_ns_duplicates(self):
516 # Generate some hosts on the LAN
518 self.pg1.generate_remote_hosts(3)
521 # Add host 1 on pg1 and pg2
523 ns_pg1 = VppNeighbor(self,
524 self.pg1.sw_if_index,
525 self.pg1.remote_hosts[1].mac,
526 self.pg1.remote_hosts[1].ip6)
527 ns_pg1.add_vpp_config()
528 ns_pg2 = VppNeighbor(self,
529 self.pg2.sw_if_index,
531 self.pg1.remote_hosts[1].ip6)
532 ns_pg2.add_vpp_config()
535 # IP packet destined for pg1 remote host arrives on pg1 again.
537 p = (Ether(dst=self.pg0.local_mac,
538 src=self.pg0.remote_mac) /
539 IPv6(src=self.pg0.remote_ip6,
540 dst=self.pg1.remote_hosts[1].ip6) /
541 inet6.UDP(sport=1234, dport=1234) /
544 self.pg0.add_stream(p)
545 self.pg_enable_capture(self.pg_interfaces)
548 rx1 = self.pg1.get_capture(1)
550 self.verify_ip(rx1[0],
552 self.pg1.remote_hosts[1].mac,
554 self.pg1.remote_hosts[1].ip6)
557 # remove the duplicate on pg1
558 # packet stream should generate NSs out of pg1
560 ns_pg1.remove_vpp_config()
562 self.send_and_expect_ns(self.pg0, self.pg1,
563 p, self.pg1.remote_hosts[1].ip6)
568 ns_pg1.add_vpp_config()
570 self.pg0.add_stream(p)
571 self.pg_enable_capture(self.pg_interfaces)
574 rx1 = self.pg1.get_capture(1)
576 self.verify_ip(rx1[0],
578 self.pg1.remote_hosts[1].mac,
580 self.pg1.remote_hosts[1].ip6)
582 def validate_ra(self, intf, rx, dst_ip=None, src_ip=None,
583 mtu=9000, pi_opt=None):
585 dst_ip = intf.remote_ip6
587 src_ip = mk_ll_addr(intf.local_mac)
589 # unicasted packets must come to the unicast mac
590 self.assertEqual(rx[Ether].dst, intf.remote_mac)
592 # and from the router's MAC
593 self.assertEqual(rx[Ether].src, intf.local_mac)
595 # the rx'd RA should be addressed to the sender's source
596 self.assertTrue(rx.haslayer(ICMPv6ND_RA))
597 self.assertEqual(in6_ptop(rx[IPv6].dst),
600 # and come from the router's link local
601 self.assertTrue(in6_islladdr(rx[IPv6].src))
602 self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(src_ip))
604 # it should contain the links MTU
606 self.assertEqual(ra[ICMPv6NDOptMTU].mtu, mtu)
608 # it should contain the source's link layer address option
609 sll = ra[ICMPv6NDOptSrcLLAddr]
610 self.assertEqual(sll.lladdr, intf.local_mac)
613 # the RA should not contain prefix information
614 self.assertFalse(ra.haslayer(
615 ICMPv6NDOptPrefixInfo))
617 raos = rx.getlayer(ICMPv6NDOptPrefixInfo, 1)
619 # the options are nested in the scapy packet in way that i cannot
620 # decipher how to decode. this 1st layer of option always returns
621 # nested classes, so a direct obj1=obj2 comparison always fails.
622 # however, the getlayer(.., 2) does give one instance.
623 # so we cheat here and construct a new opt instance for comparison
624 rd = ICMPv6NDOptPrefixInfo(
625 prefixlen=raos.prefixlen,
629 if type(pi_opt) is list:
630 for ii in range(len(pi_opt)):
631 self.assertEqual(pi_opt[ii], rd)
633 ICMPv6NDOptPrefixInfo, ii + 2)
635 self.assertEqual(pi_opt, raos, 'Expected: %s, received: %s'
636 % (pi_opt.show(dump=True),
637 raos.show(dump=True)))
639 def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
640 filter_out_fn=is_ipv6_misc,
643 self.vapi.cli("clear trace")
644 intf.add_stream(pkts)
645 self.pg_enable_capture(self.pg_interfaces)
647 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
649 self.assertEqual(len(rx), 1)
651 self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt)
654 """ IPv6 Router Solicitation Exceptions
660 # Before we begin change the IPv6 RA responses to use the unicast
661 # address - that way we will not confuse them with the periodic
662 # RAs which go to the mcast address
663 # Sit and wait for the first periodic RA.
667 self.pg0.ip6_ra_config(send_unicast=1)
670 # An RS from a link source address
671 # - expect an RA in return
673 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
674 IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) /
677 self.send_and_expect_ra(self.pg0, pkts, "Genuine RS")
680 # For the next RS sent the RA should be rate limited
682 self.send_and_assert_no_replies(self.pg0, pkts, "RA rate limited")
685 # When we reconfigure the IPv6 RA config,
686 # we reset the RA rate limiting,
687 # so we need to do this before each test below so as not to drop
688 # packets for rate limiting reasons. Test this works here.
690 self.pg0.ip6_ra_config(send_unicast=1)
691 self.send_and_expect_ra(self.pg0, pkts, "Rate limit reset RS")
694 # An RS sent from a non-link local source
696 self.pg0.ip6_ra_config(send_unicast=1)
697 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
698 IPv6(dst=self.pg0.local_ip6,
702 self.send_and_assert_no_replies(self.pg0, pkts,
703 "RS from non-link source")
706 # Source an RS from a link local address
708 self.pg0.ip6_ra_config(send_unicast=1)
709 ll = mk_ll_addr(self.pg0.remote_mac)
710 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
711 IPv6(dst=self.pg0.local_ip6, src=ll) /
714 self.send_and_expect_ra(self.pg0, pkts,
715 "RS sourced from link-local",
719 # Send the RS multicast
721 self.pg0.ip6_ra_config(send_unicast=1)
722 dmac = in6_getnsmac(inet_pton(AF_INET6, "ff02::2"))
723 ll = mk_ll_addr(self.pg0.remote_mac)
724 p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
725 IPv6(dst="ff02::2", src=ll) /
728 self.send_and_expect_ra(self.pg0, pkts,
729 "RS sourced from link-local",
733 # Source from the unspecified address ::. This happens when the RS
734 # is sent before the host has a configured address/sub-net,
735 # i.e. auto-config. Since the sender has no IP address, the reply
736 # comes back mcast - so the capture needs to not filter this.
737 # If we happen to pick up the periodic RA at this point then so be it,
740 self.pg0.ip6_ra_config(send_unicast=1, suppress=1)
741 p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
742 IPv6(dst="ff02::2", src="::") /
745 self.send_and_expect_ra(self.pg0, pkts,
746 "RS sourced from unspecified",
751 # Configure The RA to announce the links prefix
753 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
754 self.pg0.local_ip6_prefix_len))
757 # RAs should now contain the prefix information option
759 opt = ICMPv6NDOptPrefixInfo(
760 prefixlen=self.pg0.local_ip6_prefix_len,
761 prefix=self.pg0.local_ip6,
765 self.pg0.ip6_ra_config(send_unicast=1)
766 ll = mk_ll_addr(self.pg0.remote_mac)
767 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
768 IPv6(dst=self.pg0.local_ip6, src=ll) /
770 self.send_and_expect_ra(self.pg0, p,
771 "RA with prefix-info",
776 # Change the prefix info to not off-link
779 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
780 self.pg0.local_ip6_prefix_len),
783 opt = ICMPv6NDOptPrefixInfo(
784 prefixlen=self.pg0.local_ip6_prefix_len,
785 prefix=self.pg0.local_ip6,
789 self.pg0.ip6_ra_config(send_unicast=1)
790 self.send_and_expect_ra(self.pg0, p,
791 "RA with Prefix info with L-flag=0",
796 # Change the prefix info to not off-link, no-autoconfig
797 # L and A flag are clear in the advert
799 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
800 self.pg0.local_ip6_prefix_len),
804 opt = ICMPv6NDOptPrefixInfo(
805 prefixlen=self.pg0.local_ip6_prefix_len,
806 prefix=self.pg0.local_ip6,
810 self.pg0.ip6_ra_config(send_unicast=1)
811 self.send_and_expect_ra(self.pg0, p,
812 "RA with Prefix info with A & L-flag=0",
817 # Change the flag settings back to the defaults
818 # L and A flag are set in the advert
820 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
821 self.pg0.local_ip6_prefix_len))
823 opt = ICMPv6NDOptPrefixInfo(
824 prefixlen=self.pg0.local_ip6_prefix_len,
825 prefix=self.pg0.local_ip6,
829 self.pg0.ip6_ra_config(send_unicast=1)
830 self.send_and_expect_ra(self.pg0, p,
831 "RA with Prefix info",
836 # Change the prefix info to not off-link, no-autoconfig
837 # L and A flag are clear in the advert
839 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
840 self.pg0.local_ip6_prefix_len),
844 opt = ICMPv6NDOptPrefixInfo(
845 prefixlen=self.pg0.local_ip6_prefix_len,
846 prefix=self.pg0.local_ip6,
850 self.pg0.ip6_ra_config(send_unicast=1)
851 self.send_and_expect_ra(self.pg0, p,
852 "RA with Prefix info with A & L-flag=0",
857 # Use the reset to defaults option to revert to defaults
858 # L and A flag are clear in the advert
860 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
861 self.pg0.local_ip6_prefix_len),
864 opt = ICMPv6NDOptPrefixInfo(
865 prefixlen=self.pg0.local_ip6_prefix_len,
866 prefix=self.pg0.local_ip6,
870 self.pg0.ip6_ra_config(send_unicast=1)
871 self.send_and_expect_ra(self.pg0, p,
872 "RA with Prefix reverted to defaults",
877 # Advertise Another prefix. With no L-flag/A-flag
879 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6,
880 self.pg1.local_ip6_prefix_len),
884 opt = [ICMPv6NDOptPrefixInfo(
885 prefixlen=self.pg0.local_ip6_prefix_len,
886 prefix=self.pg0.local_ip6,
889 ICMPv6NDOptPrefixInfo(
890 prefixlen=self.pg1.local_ip6_prefix_len,
891 prefix=self.pg1.local_ip6,
895 self.pg0.ip6_ra_config(send_unicast=1)
896 ll = mk_ll_addr(self.pg0.remote_mac)
897 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
898 IPv6(dst=self.pg0.local_ip6, src=ll) /
900 self.send_and_expect_ra(self.pg0, p,
901 "RA with multiple Prefix infos",
906 # Remove the first prefix-info - expect the second is still in the
909 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
910 self.pg0.local_ip6_prefix_len),
913 opt = ICMPv6NDOptPrefixInfo(
914 prefixlen=self.pg1.local_ip6_prefix_len,
915 prefix=self.pg1.local_ip6,
919 self.pg0.ip6_ra_config(send_unicast=1)
920 self.send_and_expect_ra(self.pg0, p,
921 "RA with Prefix reverted to defaults",
926 # Remove the second prefix-info - expect no prefix-info in the adverts
928 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6,
929 self.pg1.local_ip6_prefix_len),
933 # change the link's link local, so we know that works too.
935 self.vapi.sw_interface_ip6_set_link_local_address(
936 sw_if_index=self.pg0.sw_if_index,
939 self.pg0.ip6_ra_config(send_unicast=1)
940 self.send_and_expect_ra(self.pg0, p,
941 "RA with Prefix reverted to defaults",
946 # Reset the periodic advertisements back to default values
948 self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
953 # test one MLD is sent after applying an IPv6 Address on an interface
955 self.pg_enable_capture(self.pg_interfaces)
958 subitf = VppDot1QSubint(self, self.pg1, 99)
963 rxs = self.pg1._get_capture(timeout=2, filter_out_fn=None)
966 # hunt for the MLD on vlan 99
969 # make sure ipv6 packets with hop by hop options have
971 self.assert_packet_checksums_valid(rx)
972 if rx.haslayer(IPv6ExtHdrHopByHop) and \
973 rx.haslayer(Dot1Q) and \
974 rx[Dot1Q].vlan == 99:
975 mld = rx[ICMPv6MLReport2]
977 self.assertEqual(mld.records_number, 4)
980 class TestIPv6IfAddrRoute(VppTestCase):
981 """ IPv6 Interface Addr Route Test Case """
985 super(TestIPv6IfAddrRoute, cls).setUpClass()
988 def tearDownClass(cls):
989 super(TestIPv6IfAddrRoute, cls).tearDownClass()
992 super(TestIPv6IfAddrRoute, self).setUp()
994 # create 1 pg interface
995 self.create_pg_interfaces(range(1))
997 for i in self.pg_interfaces:
1003 super(TestIPv6IfAddrRoute, self).tearDown()
1004 for i in self.pg_interfaces:
1008 def test_ipv6_ifaddrs_same_prefix(self):
1009 """ IPv6 Interface Addresses Same Prefix test
1013 - Verify no route in FIB for prefix 2001:10::/64
1014 - Configure IPv4 address 2001:10::10/64 on an interface
1015 - Verify route in FIB for prefix 2001:10::/64
1016 - Configure IPv4 address 2001:10::20/64 on an interface
1017 - Delete 2001:10::10/64 from interface
1018 - Verify route in FIB for prefix 2001:10::/64
1019 - Delete 2001:10::20/64 from interface
1020 - Verify no route in FIB for prefix 2001:10::/64
1023 addr1 = "2001:10::10"
1024 addr2 = "2001:10::20"
1026 if_addr1 = VppIpInterfaceAddress(self, self.pg0, addr1, 64)
1027 if_addr2 = VppIpInterfaceAddress(self, self.pg0, addr2, 64)
1028 self.assertFalse(if_addr1.query_vpp_config())
1029 self.assertFalse(find_route(self, addr1, 128))
1030 self.assertFalse(find_route(self, addr2, 128))
1032 # configure first address, verify route present
1033 if_addr1.add_vpp_config()
1034 self.assertTrue(if_addr1.query_vpp_config())
1035 self.assertTrue(find_route(self, addr1, 128))
1036 self.assertFalse(find_route(self, addr2, 128))
1038 # configure second address, delete first, verify route not removed
1039 if_addr2.add_vpp_config()
1040 if_addr1.remove_vpp_config()
1041 self.assertFalse(if_addr1.query_vpp_config())
1042 self.assertTrue(if_addr2.query_vpp_config())
1043 self.assertFalse(find_route(self, addr1, 128))
1044 self.assertTrue(find_route(self, addr2, 128))
1046 # delete second address, verify route removed
1047 if_addr2.remove_vpp_config()
1048 self.assertFalse(if_addr1.query_vpp_config())
1049 self.assertFalse(find_route(self, addr1, 128))
1050 self.assertFalse(find_route(self, addr2, 128))
1053 class TestICMPv6Echo(VppTestCase):
1054 """ ICMPv6 Echo Test Case """
1057 def setUpClass(cls):
1058 super(TestICMPv6Echo, cls).setUpClass()
1061 def tearDownClass(cls):
1062 super(TestICMPv6Echo, cls).tearDownClass()
1065 super(TestICMPv6Echo, self).setUp()
1067 # create 1 pg interface
1068 self.create_pg_interfaces(range(1))
1070 for i in self.pg_interfaces:
1076 super(TestICMPv6Echo, self).tearDown()
1077 for i in self.pg_interfaces:
1081 def test_icmpv6_echo(self):
1082 """ VPP replies to ICMPv6 Echo Request
1086 - Receive ICMPv6 Echo Request message on pg0 interface.
1087 - Check outgoing ICMPv6 Echo Reply message on pg0 interface.
1092 icmpv6_data = b'\x0a' * 18
1093 p_echo_request = (Ether(src=self.pg0.remote_mac,
1094 dst=self.pg0.local_mac) /
1095 IPv6(src=self.pg0.remote_ip6,
1096 dst=self.pg0.local_ip6) /
1102 self.pg0.add_stream(p_echo_request)
1103 self.pg_enable_capture(self.pg_interfaces)
1106 rx = self.pg0.get_capture(1)
1110 icmpv6 = rx[ICMPv6EchoReply]
1112 self.assertEqual(ether.src, self.pg0.local_mac)
1113 self.assertEqual(ether.dst, self.pg0.remote_mac)
1115 self.assertEqual(ipv6.src, self.pg0.local_ip6)
1116 self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
1119 icmp6types[icmpv6.type], "Echo Reply")
1120 self.assertEqual(icmpv6.id, icmpv6_id)
1121 self.assertEqual(icmpv6.seq, icmpv6_seq)
1122 self.assertEqual(icmpv6.data, icmpv6_data)
1125 class TestIPv6RD(TestIPv6ND):
1126 """ IPv6 Router Discovery Test Case """
1129 def setUpClass(cls):
1130 super(TestIPv6RD, cls).setUpClass()
1133 def tearDownClass(cls):
1134 super(TestIPv6RD, cls).tearDownClass()
1137 super(TestIPv6RD, self).setUp()
1139 # create 2 pg interfaces
1140 self.create_pg_interfaces(range(2))
1142 self.interfaces = list(self.pg_interfaces)
1144 # setup all interfaces
1145 for i in self.interfaces:
1150 for i in self.interfaces:
1153 super(TestIPv6RD, self).tearDown()
1155 def test_rd_send_router_solicitation(self):
1156 """ Verify router solicitation packets """
1159 self.pg_enable_capture(self.pg_interfaces)
1161 self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index,
1163 rx_list = self.pg1.get_capture(count, timeout=3)
1164 self.assertEqual(len(rx_list), count)
1165 for packet in rx_list:
1166 self.assertEqual(packet.haslayer(IPv6), 1)
1167 self.assertEqual(packet[IPv6].haslayer(
1169 dst = ip6_normalize(packet[IPv6].dst)
1170 dst2 = ip6_normalize("ff02::2")
1171 self.assert_equal(dst, dst2)
1172 src = ip6_normalize(packet[IPv6].src)
1173 src2 = ip6_normalize(self.pg1.local_ip6_ll)
1174 self.assert_equal(src, src2)
1176 bool(packet[ICMPv6ND_RS].haslayer(
1177 ICMPv6NDOptSrcLLAddr)))
1179 packet[ICMPv6NDOptSrcLLAddr].lladdr,
1182 def verify_prefix_info(self, reported_prefix, prefix_option):
1183 prefix = IPv6Network(
1184 text_type(prefix_option.getfieldval("prefix") +
1186 text_type(prefix_option.getfieldval("prefixlen"))),
1188 self.assert_equal(reported_prefix.prefix.network_address,
1189 prefix.network_address)
1190 L = prefix_option.getfieldval("L")
1191 A = prefix_option.getfieldval("A")
1192 option_flags = (L << 7) | (A << 6)
1193 self.assert_equal(reported_prefix.flags, option_flags)
1194 self.assert_equal(reported_prefix.valid_time,
1195 prefix_option.getfieldval("validlifetime"))
1196 self.assert_equal(reported_prefix.preferred_time,
1197 prefix_option.getfieldval("preferredlifetime"))
1199 def test_rd_receive_router_advertisement(self):
1200 """ Verify events triggered by received RA packets """
1202 self.vapi.want_ip6_ra_events(enable=1)
1204 prefix_info_1 = ICMPv6NDOptPrefixInfo(
1208 preferredlifetime=500,
1213 prefix_info_2 = ICMPv6NDOptPrefixInfo(
1217 preferredlifetime=1000,
1222 p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
1223 IPv6(dst=self.pg1.local_ip6_ll,
1224 src=mk_ll_addr(self.pg1.remote_mac)) /
1228 self.pg1.add_stream([p])
1231 ev = self.vapi.wait_for_event(10, "ip6_ra_event")
1233 self.assert_equal(ev.current_hop_limit, 0)
1234 self.assert_equal(ev.flags, 8)
1235 self.assert_equal(ev.router_lifetime_in_sec, 1800)
1236 self.assert_equal(ev.neighbor_reachable_time_in_msec, 0)
1238 ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0)
1240 self.assert_equal(ev.n_prefixes, 2)
1242 self.verify_prefix_info(ev.prefixes[0], prefix_info_1)
1243 self.verify_prefix_info(ev.prefixes[1], prefix_info_2)
1246 class TestIPv6RDControlPlane(TestIPv6ND):
1247 """ IPv6 Router Discovery Control Plane Test Case """
1250 def setUpClass(cls):
1251 super(TestIPv6RDControlPlane, cls).setUpClass()
1254 def tearDownClass(cls):
1255 super(TestIPv6RDControlPlane, cls).tearDownClass()
1258 super(TestIPv6RDControlPlane, self).setUp()
1260 # create 1 pg interface
1261 self.create_pg_interfaces(range(1))
1263 self.interfaces = list(self.pg_interfaces)
1265 # setup all interfaces
1266 for i in self.interfaces:
1271 super(TestIPv6RDControlPlane, self).tearDown()
1274 def create_ra_packet(pg, routerlifetime=None):
1275 src_ip = pg.remote_ip6_ll
1276 dst_ip = pg.local_ip6
1277 if routerlifetime is not None:
1278 ra = ICMPv6ND_RA(routerlifetime=routerlifetime)
1281 p = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
1282 IPv6(dst=dst_ip, src=src_ip) / ra)
1286 def get_default_routes(fib):
1289 if entry.route.prefix.prefixlen == 0:
1290 for path in entry.route.paths:
1291 if path.sw_if_index != 0xFFFFFFFF:
1293 defaut_route['sw_if_index'] = path.sw_if_index
1294 defaut_route['next_hop'] = path.nh.address.ip6
1295 list.append(defaut_route)
1299 def get_interface_addresses(fib, pg):
1302 if entry.route.prefix.prefixlen == 128:
1303 path = entry.route.paths[0]
1304 if path.sw_if_index == pg.sw_if_index:
1305 list.append(str(entry.route.prefix.network_address))
1308 def wait_for_no_default_route(self, n_tries=50, s_time=1):
1310 fib = self.vapi.ip_route_dump(0, True)
1311 default_routes = self.get_default_routes(fib)
1312 if 0 == len(default_routes):
1314 n_tries = n_tries - 1
1320 """ Test handling of SLAAC addresses and default routes """
1322 fib = self.vapi.ip_route_dump(0, True)
1323 default_routes = self.get_default_routes(fib)
1324 initial_addresses = set(self.get_interface_addresses(fib, self.pg0))
1325 self.assertEqual(default_routes, [])
1326 router_address = IPv6Address(text_type(self.pg0.remote_ip6_ll))
1328 self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1)
1333 packet = (self.create_ra_packet(
1334 self.pg0) / ICMPv6NDOptPrefixInfo(
1338 preferredlifetime=2,
1341 ) / ICMPv6NDOptPrefixInfo(
1345 preferredlifetime=1000,
1349 self.pg0.add_stream([packet])
1352 self.sleep_on_vpp_time(0.1)
1354 fib = self.vapi.ip_route_dump(0, True)
1356 # check FIB for new address
1357 addresses = set(self.get_interface_addresses(fib, self.pg0))
1358 new_addresses = addresses.difference(initial_addresses)
1359 self.assertEqual(len(new_addresses), 1)
1360 prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
1362 self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
1364 # check FIB for new default route
1365 default_routes = self.get_default_routes(fib)
1366 self.assertEqual(len(default_routes), 1)
1367 dr = default_routes[0]
1368 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1369 self.assertEqual(dr['next_hop'], router_address)
1371 # send RA to delete default route
1372 packet = self.create_ra_packet(self.pg0, routerlifetime=0)
1373 self.pg0.add_stream([packet])
1376 self.sleep_on_vpp_time(0.1)
1378 # check that default route is deleted
1379 fib = self.vapi.ip_route_dump(0, True)
1380 default_routes = self.get_default_routes(fib)
1381 self.assertEqual(len(default_routes), 0)
1383 self.sleep_on_vpp_time(0.1)
1386 packet = self.create_ra_packet(self.pg0)
1387 self.pg0.add_stream([packet])
1390 self.sleep_on_vpp_time(0.1)
1392 # check FIB for new default route
1393 fib = self.vapi.ip_route_dump(0, True)
1394 default_routes = self.get_default_routes(fib)
1395 self.assertEqual(len(default_routes), 1)
1396 dr = default_routes[0]
1397 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1398 self.assertEqual(dr['next_hop'], router_address)
1400 # send RA, updating router lifetime to 1s
1401 packet = self.create_ra_packet(self.pg0, 1)
1402 self.pg0.add_stream([packet])
1405 self.sleep_on_vpp_time(0.1)
1407 # check that default route still exists
1408 fib = self.vapi.ip_route_dump(0, True)
1409 default_routes = self.get_default_routes(fib)
1410 self.assertEqual(len(default_routes), 1)
1411 dr = default_routes[0]
1412 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1413 self.assertEqual(dr['next_hop'], router_address)
1415 self.sleep_on_vpp_time(1)
1417 # check that default route is deleted
1418 self.assertTrue(self.wait_for_no_default_route())
1420 # check FIB still contains the SLAAC address
1421 addresses = set(self.get_interface_addresses(fib, self.pg0))
1422 new_addresses = addresses.difference(initial_addresses)
1424 self.assertEqual(len(new_addresses), 1)
1425 prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
1427 self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
1429 self.sleep_on_vpp_time(1)
1431 # check that SLAAC address is deleted
1432 fib = self.vapi.ip_route_dump(0, True)
1433 addresses = set(self.get_interface_addresses(fib, self.pg0))
1434 new_addresses = addresses.difference(initial_addresses)
1435 self.assertEqual(len(new_addresses), 0)
1438 class IPv6NDProxyTest(TestIPv6ND):
1439 """ IPv6 ND ProxyTest Case """
1442 def setUpClass(cls):
1443 super(IPv6NDProxyTest, cls).setUpClass()
1446 def tearDownClass(cls):
1447 super(IPv6NDProxyTest, cls).tearDownClass()
1450 super(IPv6NDProxyTest, self).setUp()
1452 # create 3 pg interfaces
1453 self.create_pg_interfaces(range(3))
1455 # pg0 is the master interface, with the configured subnet
1457 self.pg0.config_ip6()
1458 self.pg0.resolve_ndp()
1460 self.pg1.ip6_enable()
1461 self.pg2.ip6_enable()
1464 super(IPv6NDProxyTest, self).tearDown()
1466 def test_nd_proxy(self):
1467 """ IPv6 Proxy ND """
1470 # Generate some hosts in the subnet that we are proxying
1472 self.pg0.generate_remote_hosts(8)
1474 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
1475 d = inet_ntop(AF_INET6, nsma)
1478 # Send an NS for one of those remote hosts on one of the proxy links
1479 # expect no response since it's from an address that is not
1480 # on the link that has the prefix configured
1482 ns_pg1 = (Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac) /
1484 src=self.pg0._remote_hosts[2].ip6) /
1485 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
1486 ICMPv6NDOptSrcLLAddr(
1487 lladdr=self.pg0._remote_hosts[2].mac))
1489 self.send_and_assert_no_replies(self.pg1, ns_pg1, "Off link NS")
1492 # Add proxy support for the host
1494 self.vapi.ip6nd_proxy_add_del(
1495 is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
1496 sw_if_index=self.pg1.sw_if_index)
1499 # try that NS again. this time we expect an NA back
1501 self.send_and_expect_na(self.pg1, ns_pg1,
1502 "NS to proxy entry",
1503 dst_ip=self.pg0._remote_hosts[2].ip6,
1504 tgt_ip=self.pg0.local_ip6)
1507 # ... and that we have an entry in the ND cache
1509 self.assertTrue(find_nbr(self,
1510 self.pg1.sw_if_index,
1511 self.pg0._remote_hosts[2].ip6))
1514 # ... and we can route traffic to it
1516 t = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
1517 IPv6(dst=self.pg0._remote_hosts[2].ip6,
1518 src=self.pg0.remote_ip6) /
1519 inet6.UDP(sport=10000, dport=20000) /
1522 self.pg0.add_stream(t)
1523 self.pg_enable_capture(self.pg_interfaces)
1525 rx = self.pg1.get_capture(1)
1528 self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
1529 self.assertEqual(rx[Ether].src, self.pg1.local_mac)
1531 self.assertEqual(rx[IPv6].src,
1533 self.assertEqual(rx[IPv6].dst,
1537 # Test we proxy for the host on the main interface
1539 ns_pg0 = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
1540 IPv6(dst=d, src=self.pg0.remote_ip6) /
1542 tgt=self.pg0._remote_hosts[2].ip6) /
1543 ICMPv6NDOptSrcLLAddr(
1544 lladdr=self.pg0.remote_mac))
1546 self.send_and_expect_na(self.pg0, ns_pg0,
1547 "NS to proxy entry on main",
1548 tgt_ip=self.pg0._remote_hosts[2].ip6,
1549 dst_ip=self.pg0.remote_ip6)
1552 # Setup and resolve proxy for another host on another interface
1554 ns_pg2 = (Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac) /
1556 src=self.pg0._remote_hosts[3].ip6) /
1557 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
1558 ICMPv6NDOptSrcLLAddr(
1559 lladdr=self.pg0._remote_hosts[2].mac))
1561 self.vapi.ip6nd_proxy_add_del(
1562 is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
1563 sw_if_index=self.pg2.sw_if_index)
1565 self.send_and_expect_na(self.pg2, ns_pg2,
1566 "NS to proxy entry other interface",
1567 dst_ip=self.pg0._remote_hosts[3].ip6,
1568 tgt_ip=self.pg0.local_ip6)
1570 self.assertTrue(find_nbr(self,
1571 self.pg2.sw_if_index,
1572 self.pg0._remote_hosts[3].ip6))
1575 # hosts can communicate. pg2->pg1
1577 t2 = (Ether(dst=self.pg2.local_mac,
1578 src=self.pg0.remote_hosts[3].mac) /
1579 IPv6(dst=self.pg0._remote_hosts[2].ip6,
1580 src=self.pg0._remote_hosts[3].ip6) /
1581 inet6.UDP(sport=10000, dport=20000) /
1584 self.pg2.add_stream(t2)
1585 self.pg_enable_capture(self.pg_interfaces)
1587 rx = self.pg1.get_capture(1)
1590 self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
1591 self.assertEqual(rx[Ether].src, self.pg1.local_mac)
1593 self.assertEqual(rx[IPv6].src,
1595 self.assertEqual(rx[IPv6].dst,
1599 # remove the proxy configs
1601 self.vapi.ip6nd_proxy_add_del(
1602 ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
1603 sw_if_index=self.pg1.sw_if_index, is_add=0)
1604 self.vapi.ip6nd_proxy_add_del(
1605 ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
1606 sw_if_index=self.pg2.sw_if_index, is_add=0)
1608 self.assertFalse(find_nbr(self,
1609 self.pg2.sw_if_index,
1610 self.pg0._remote_hosts[3].ip6))
1611 self.assertFalse(find_nbr(self,
1612 self.pg1.sw_if_index,
1613 self.pg0._remote_hosts[2].ip6))
1616 # no longer proxy-ing...
1618 self.send_and_assert_no_replies(self.pg0, ns_pg0, "Proxy unconfigured")
1619 self.send_and_assert_no_replies(self.pg1, ns_pg1, "Proxy unconfigured")
1620 self.send_and_assert_no_replies(self.pg2, ns_pg2, "Proxy unconfigured")
1623 # no longer forwarding. traffic generates NS out of the glean/main
1626 self.pg2.add_stream(t2)
1627 self.pg_enable_capture(self.pg_interfaces)
1630 rx = self.pg0.get_capture(1)
1632 self.assertTrue(rx[0].haslayer(ICMPv6ND_NS))
1635 class TestIPNull(VppTestCase):
1636 """ IPv6 routes via NULL """
1639 def setUpClass(cls):
1640 super(TestIPNull, cls).setUpClass()
1643 def tearDownClass(cls):
1644 super(TestIPNull, cls).tearDownClass()
1647 super(TestIPNull, self).setUp()
1649 # create 2 pg interfaces
1650 self.create_pg_interfaces(range(1))
1652 for i in self.pg_interfaces:
1658 super(TestIPNull, self).tearDown()
1659 for i in self.pg_interfaces:
1663 def test_ip_null(self):
1664 """ IP NULL route """
1666 p = (Ether(src=self.pg0.remote_mac,
1667 dst=self.pg0.local_mac) /
1668 IPv6(src=self.pg0.remote_ip6, dst="2001::1") /
1669 inet6.UDP(sport=1234, dport=1234) /
1673 # A route via IP NULL that will reply with ICMP unreachables
1675 ip_unreach = VppIpRoute(
1677 [VppRoutePath("::", 0xffffffff,
1678 type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH)])
1679 ip_unreach.add_vpp_config()
1681 self.pg0.add_stream(p)
1682 self.pg_enable_capture(self.pg_interfaces)
1685 rx = self.pg0.get_capture(1)
1687 icmp = rx[ICMPv6DestUnreach]
1689 # 0 = "No route to destination"
1690 self.assertEqual(icmp.code, 0)
1692 # ICMP is rate limited. pause a bit
1696 # A route via IP NULL that will reply with ICMP prohibited
1698 ip_prohibit = VppIpRoute(
1699 self, "2001::1", 128,
1700 [VppRoutePath("::", 0xffffffff,
1701 type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT)])
1702 ip_prohibit.add_vpp_config()
1704 self.pg0.add_stream(p)
1705 self.pg_enable_capture(self.pg_interfaces)
1708 rx = self.pg0.get_capture(1)
1710 icmp = rx[ICMPv6DestUnreach]
1712 # 1 = "Communication with destination administratively prohibited"
1713 self.assertEqual(icmp.code, 1)
1716 class TestIPDisabled(VppTestCase):
1717 """ IPv6 disabled """
1720 def setUpClass(cls):
1721 super(TestIPDisabled, cls).setUpClass()
1724 def tearDownClass(cls):
1725 super(TestIPDisabled, cls).tearDownClass()
1728 super(TestIPDisabled, self).setUp()
1730 # create 2 pg interfaces
1731 self.create_pg_interfaces(range(2))
1735 self.pg0.config_ip6()
1736 self.pg0.resolve_ndp()
1738 # PG 1 is not IP enabled
1742 super(TestIPDisabled, self).tearDown()
1743 for i in self.pg_interfaces:
1747 def test_ip_disabled(self):
1752 # one accepting interface, pg0, 2 forwarding interfaces
1754 route_ff_01 = VppIpMRoute(
1758 MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
1759 [VppMRoutePath(self.pg1.sw_if_index,
1760 MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
1761 VppMRoutePath(self.pg0.sw_if_index,
1762 MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
1763 route_ff_01.add_vpp_config()
1765 pu = (Ether(src=self.pg1.remote_mac,
1766 dst=self.pg1.local_mac) /
1767 IPv6(src="2001::1", dst=self.pg0.remote_ip6) /
1768 inet6.UDP(sport=1234, dport=1234) /
1770 pm = (Ether(src=self.pg1.remote_mac,
1771 dst=self.pg1.local_mac) /
1772 IPv6(src="2001::1", dst="ffef::1") /
1773 inet6.UDP(sport=1234, dport=1234) /
1777 # PG1 does not forward IP traffic
1779 self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled")
1780 self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled")
1785 self.pg1.config_ip6()
1788 # Now we get packets through
1790 self.pg1.add_stream(pu)
1791 self.pg_enable_capture(self.pg_interfaces)
1793 rx = self.pg0.get_capture(1)
1795 self.pg1.add_stream(pm)
1796 self.pg_enable_capture(self.pg_interfaces)
1798 rx = self.pg0.get_capture(1)
1803 self.pg1.unconfig_ip6()
1806 # PG1 does not forward IP traffic
1808 self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled")
1809 self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled")
1812 class TestIP6LoadBalance(VppTestCase):
1813 """ IPv6 Load-Balancing """
1816 def setUpClass(cls):
1817 super(TestIP6LoadBalance, cls).setUpClass()
1820 def tearDownClass(cls):
1821 super(TestIP6LoadBalance, cls).tearDownClass()
1824 super(TestIP6LoadBalance, self).setUp()
1826 self.create_pg_interfaces(range(5))
1828 mpls_tbl = VppMplsTable(self, 0)
1829 mpls_tbl.add_vpp_config()
1831 for i in self.pg_interfaces:
1838 for i in self.pg_interfaces:
1842 super(TestIP6LoadBalance, self).tearDown()
1844 def pg_send(self, input, pkts):
1845 self.vapi.cli("clear trace")
1846 input.add_stream(pkts)
1847 self.pg_enable_capture(self.pg_interfaces)
1850 def send_and_expect_load_balancing(self, input, pkts, outputs):
1851 self.pg_send(input, pkts)
1853 rx = oo._get_capture(1)
1854 self.assertNotEqual(0, len(rx))
1856 def send_and_expect_one_itf(self, input, pkts, itf):
1857 self.pg_send(input, pkts)
1858 rx = itf.get_capture(len(pkts))
1860 def test_ip6_load_balance(self):
1861 """ IPv6 Load-Balancing """
1864 # An array of packets that differ only in the destination port
1868 # - MPLS non-EOS with an entropy label
1872 port_mpls_neos_pkts = []
1876 # An array of packets that differ only in the source address
1881 for ii in range(NUM_PKTS):
1883 IPv6(dst="3000::1", src="3000:1::1") /
1884 inet6.UDP(sport=1234, dport=1234 + ii) /
1886 port_ip_pkts.append((Ether(src=self.pg0.remote_mac,
1887 dst=self.pg0.local_mac) /
1889 port_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
1890 dst=self.pg0.local_mac) /
1891 MPLS(label=66, ttl=2) /
1893 port_mpls_neos_pkts.append((Ether(src=self.pg0.remote_mac,
1894 dst=self.pg0.local_mac) /
1895 MPLS(label=67, ttl=2) /
1896 MPLS(label=77, ttl=2) /
1898 port_ent_pkts.append((Ether(src=self.pg0.remote_mac,
1899 dst=self.pg0.local_mac) /
1900 MPLS(label=67, ttl=2) /
1901 MPLS(label=14, ttl=2) /
1902 MPLS(label=999, ttl=2) /
1905 IPv6(dst="3000::1", src="3000:1::%d" % ii) /
1906 inet6.UDP(sport=1234, dport=1234) /
1908 src_ip_pkts.append((Ether(src=self.pg0.remote_mac,
1909 dst=self.pg0.local_mac) /
1911 src_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
1912 dst=self.pg0.local_mac) /
1913 MPLS(label=66, ttl=2) /
1917 # A route for the IP packets
1919 route_3000_1 = VppIpRoute(self, "3000::1", 128,
1920 [VppRoutePath(self.pg1.remote_ip6,
1921 self.pg1.sw_if_index),
1922 VppRoutePath(self.pg2.remote_ip6,
1923 self.pg2.sw_if_index)])
1924 route_3000_1.add_vpp_config()
1927 # a local-label for the EOS packets
1929 binding = VppMplsIpBind(self, 66, "3000::1", 128, is_ip6=1)
1930 binding.add_vpp_config()
1933 # An MPLS route for the non-EOS packets
1935 route_67 = VppMplsRoute(self, 67, 0,
1936 [VppRoutePath(self.pg1.remote_ip6,
1937 self.pg1.sw_if_index,
1939 VppRoutePath(self.pg2.remote_ip6,
1940 self.pg2.sw_if_index,
1942 route_67.add_vpp_config()
1945 # inject the packet on pg0 - expect load-balancing across the 2 paths
1946 # - since the default hash config is to use IP src,dst and port
1948 # We are not going to ensure equal amounts of packets across each link,
1949 # since the hash algorithm is statistical and therefore this can never
1950 # be guaranteed. But with 64 different packets we do expect some
1951 # balancing. So instead just ensure there is traffic on each link.
1953 self.send_and_expect_load_balancing(self.pg0, port_ip_pkts,
1954 [self.pg1, self.pg2])
1955 self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
1956 [self.pg1, self.pg2])
1957 self.send_and_expect_load_balancing(self.pg0, port_mpls_pkts,
1958 [self.pg1, self.pg2])
1959 self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
1960 [self.pg1, self.pg2])
1961 self.send_and_expect_load_balancing(self.pg0, port_mpls_neos_pkts,
1962 [self.pg1, self.pg2])
1965 # The packets with Entropy label in should not load-balance,
1966 # since the Entropy value is fixed.
1968 self.send_and_expect_one_itf(self.pg0, port_ent_pkts, self.pg1)
1971 # change the flow hash config so it's only IP src,dst
1972 # - now only the stream with differing source address will
1975 self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, sport=0, dport=0,
1978 self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
1979 [self.pg1, self.pg2])
1980 self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
1981 [self.pg1, self.pg2])
1982 self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2)
1985 # change the flow hash config back to defaults
1987 self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, sport=1, dport=1,
1991 # Recursive prefixes
1992 # - testing that 2 stages of load-balancing occurs and there is no
1993 # polarisation (i.e. only 2 of 4 paths are used)
1998 for ii in range(257):
1999 port_pkts.append((Ether(src=self.pg0.remote_mac,
2000 dst=self.pg0.local_mac) /
2003 inet6.UDP(sport=1234,
2005 Raw(b'\xa5' * 100)))
2006 src_pkts.append((Ether(src=self.pg0.remote_mac,
2007 dst=self.pg0.local_mac) /
2009 src="4000:1::%d" % ii) /
2010 inet6.UDP(sport=1234, dport=1234) /
2011 Raw(b'\xa5' * 100)))
2013 route_3000_2 = VppIpRoute(self, "3000::2", 128,
2014 [VppRoutePath(self.pg3.remote_ip6,
2015 self.pg3.sw_if_index),
2016 VppRoutePath(self.pg4.remote_ip6,
2017 self.pg4.sw_if_index)])
2018 route_3000_2.add_vpp_config()
2020 route_4000_1 = VppIpRoute(self, "4000::1", 128,
2021 [VppRoutePath("3000::1",
2023 VppRoutePath("3000::2",
2025 route_4000_1.add_vpp_config()
2028 # inject the packet on pg0 - expect load-balancing across all 4 paths
2030 self.vapi.cli("clear trace")
2031 self.send_and_expect_load_balancing(self.pg0, port_pkts,
2032 [self.pg1, self.pg2,
2033 self.pg3, self.pg4])
2034 self.send_and_expect_load_balancing(self.pg0, src_pkts,
2035 [self.pg1, self.pg2,
2036 self.pg3, self.pg4])
2039 # Recursive prefixes
2040 # - testing that 2 stages of load-balancing no choices
2044 for ii in range(257):
2045 port_pkts.append((Ether(src=self.pg0.remote_mac,
2046 dst=self.pg0.local_mac) /
2049 inet6.UDP(sport=1234,
2051 Raw(b'\xa5' * 100)))
2053 route_5000_2 = VppIpRoute(self, "5000::2", 128,
2054 [VppRoutePath(self.pg3.remote_ip6,
2055 self.pg3.sw_if_index)])
2056 route_5000_2.add_vpp_config()
2058 route_6000_1 = VppIpRoute(self, "6000::1", 128,
2059 [VppRoutePath("5000::2",
2061 route_6000_1.add_vpp_config()
2064 # inject the packet on pg0 - expect load-balancing across all 4 paths
2066 self.vapi.cli("clear trace")
2067 self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3)
2070 class TestIP6Punt(VppTestCase):
2071 """ IPv6 Punt Police/Redirect """
2074 def setUpClass(cls):
2075 super(TestIP6Punt, cls).setUpClass()
2078 def tearDownClass(cls):
2079 super(TestIP6Punt, cls).tearDownClass()
2082 super(TestIP6Punt, self).setUp()
2084 self.create_pg_interfaces(range(4))
2086 for i in self.pg_interfaces:
2092 super(TestIP6Punt, self).tearDown()
2093 for i in self.pg_interfaces:
2097 def test_ip_punt(self):
2098 """ IP6 punt police and redirect """
2100 p = (Ether(src=self.pg0.remote_mac,
2101 dst=self.pg0.local_mac) /
2102 IPv6(src=self.pg0.remote_ip6,
2103 dst=self.pg0.local_ip6) /
2104 inet6.TCP(sport=1234, dport=1234) /
2110 # Configure a punt redirect via pg1.
2112 nh_addr = self.pg1.remote_ip6
2113 self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
2114 self.pg1.sw_if_index,
2117 self.send_and_expect(self.pg0, pkts, self.pg1)
2122 policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1)
2123 policer.add_vpp_config()
2124 self.vapi.ip_punt_police(policer.policer_index, is_ip6=1)
2126 self.vapi.cli("clear trace")
2127 self.pg0.add_stream(pkts)
2128 self.pg_enable_capture(self.pg_interfaces)
2132 # the number of packet received should be greater than 0,
2133 # but not equal to the number sent, since some were policed
2135 rx = self.pg1._get_capture(1)
2136 self.assertGreater(len(rx), 0)
2137 self.assertLess(len(rx), len(pkts))
2140 # remove the policer. back to full rx
2142 self.vapi.ip_punt_police(policer.policer_index, is_add=0, is_ip6=1)
2143 policer.remove_vpp_config()
2144 self.send_and_expect(self.pg0, pkts, self.pg1)
2147 # remove the redirect. expect full drop.
2149 self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
2150 self.pg1.sw_if_index,
2153 self.send_and_assert_no_replies(self.pg0, pkts,
2154 "IP no punt config")
2157 # Add a redirect that is not input port selective
2159 self.vapi.ip_punt_redirect(0xffffffff,
2160 self.pg1.sw_if_index,
2162 self.send_and_expect(self.pg0, pkts, self.pg1)
2164 self.vapi.ip_punt_redirect(0xffffffff,
2165 self.pg1.sw_if_index,
2169 def test_ip_punt_dump(self):
2170 """ IP6 punt redirect dump"""
2173 # Configure a punt redirects
2175 nh_addr = self.pg3.remote_ip6
2176 self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
2177 self.pg3.sw_if_index,
2179 self.vapi.ip_punt_redirect(self.pg1.sw_if_index,
2180 self.pg3.sw_if_index,
2182 self.vapi.ip_punt_redirect(self.pg2.sw_if_index,
2183 self.pg3.sw_if_index,
2187 # Dump pg0 punt redirects
2189 punts = self.vapi.ip_punt_redirect_dump(self.pg0.sw_if_index,
2192 self.assertEqual(p.punt.rx_sw_if_index, self.pg0.sw_if_index)
2195 # Dump punt redirects for all interfaces
2197 punts = self.vapi.ip_punt_redirect_dump(0xffffffff, is_ipv6=1)
2198 self.assertEqual(len(punts), 3)
2200 self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index)
2201 self.assertNotEqual(punts[1].punt.nh, self.pg3.remote_ip6)
2202 self.assertEqual(str(punts[2].punt.nh), '::')
2205 class TestIPDeag(VppTestCase):
2206 """ IPv6 Deaggregate Routes """
2209 def setUpClass(cls):
2210 super(TestIPDeag, cls).setUpClass()
2213 def tearDownClass(cls):
2214 super(TestIPDeag, cls).tearDownClass()
2217 super(TestIPDeag, self).setUp()
2219 self.create_pg_interfaces(range(3))
2221 for i in self.pg_interfaces:
2227 super(TestIPDeag, self).tearDown()
2228 for i in self.pg_interfaces:
2232 def test_ip_deag(self):
2233 """ IP Deag Routes """
2236 # Create a table to be used for:
2237 # 1 - another destination address lookup
2238 # 2 - a source address lookup
2240 table_dst = VppIpTable(self, 1, is_ip6=1)
2241 table_src = VppIpTable(self, 2, is_ip6=1)
2242 table_dst.add_vpp_config()
2243 table_src.add_vpp_config()
2246 # Add a route in the default table to point to a deag/
2247 # second lookup in each of these tables
2249 route_to_dst = VppIpRoute(self, "1::1", 128,
2253 route_to_src = VppIpRoute(
2258 type=FibPathType.FIB_PATH_TYPE_SOURCE_LOOKUP)])
2260 route_to_dst.add_vpp_config()
2261 route_to_src.add_vpp_config()
2264 # packets to these destination are dropped, since they'll
2265 # hit the respective default routes in the second table
2267 p_dst = (Ether(src=self.pg0.remote_mac,
2268 dst=self.pg0.local_mac) /
2269 IPv6(src="5::5", dst="1::1") /
2270 inet6.TCP(sport=1234, dport=1234) /
2272 p_src = (Ether(src=self.pg0.remote_mac,
2273 dst=self.pg0.local_mac) /
2274 IPv6(src="2::2", dst="1::2") /
2275 inet6.TCP(sport=1234, dport=1234) /
2277 pkts_dst = p_dst * 257
2278 pkts_src = p_src * 257
2280 self.send_and_assert_no_replies(self.pg0, pkts_dst,
2282 self.send_and_assert_no_replies(self.pg0, pkts_src,
2286 # add a route in the dst table to forward via pg1
2288 route_in_dst = VppIpRoute(self, "1::1", 128,
2289 [VppRoutePath(self.pg1.remote_ip6,
2290 self.pg1.sw_if_index)],
2292 route_in_dst.add_vpp_config()
2294 self.send_and_expect(self.pg0, pkts_dst, self.pg1)
2297 # add a route in the src table to forward via pg2
2299 route_in_src = VppIpRoute(self, "2::2", 128,
2300 [VppRoutePath(self.pg2.remote_ip6,
2301 self.pg2.sw_if_index)],
2303 route_in_src.add_vpp_config()
2304 self.send_and_expect(self.pg0, pkts_src, self.pg2)
2307 # loop in the lookup DP
2309 route_loop = VppIpRoute(self, "3::3", 128,
2312 route_loop.add_vpp_config()
2314 p_l = (Ether(src=self.pg0.remote_mac,
2315 dst=self.pg0.local_mac) /
2316 IPv6(src="3::4", dst="3::3") /
2317 inet6.TCP(sport=1234, dport=1234) /
2320 self.send_and_assert_no_replies(self.pg0, p_l * 257,
2324 class TestIP6Input(VppTestCase):
2325 """ IPv6 Input Exception Test Cases """
2328 def setUpClass(cls):
2329 super(TestIP6Input, cls).setUpClass()
2332 def tearDownClass(cls):
2333 super(TestIP6Input, cls).tearDownClass()
2336 super(TestIP6Input, self).setUp()
2338 self.create_pg_interfaces(range(2))
2340 for i in self.pg_interfaces:
2346 super(TestIP6Input, self).tearDown()
2347 for i in self.pg_interfaces:
2351 def test_ip_input_icmp_reply(self):
2352 """ IP6 Input Exception - Return ICMP (3,0) """
2354 # hop limit - ICMP replies
2356 p_version = (Ether(src=self.pg0.remote_mac,
2357 dst=self.pg0.local_mac) /
2358 IPv6(src=self.pg0.remote_ip6,
2359 dst=self.pg1.remote_ip6,
2361 inet6.UDP(sport=1234, dport=1234) /
2364 rx = self.send_and_expect(self.pg0, p_version * NUM_PKTS, self.pg0)
2366 icmp = rx[ICMPv6TimeExceeded]
2368 # 0: "hop limit exceeded in transit",
2369 self.assertEqual((icmp.type, icmp.code), (3, 0))
2371 icmpv6_data = '\x0a' * 18
2373 all_1s = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF"
2375 @parameterized.expand([
2376 # Name, src, dst, l4proto, msg, timeout
2377 ("src='iface', dst='iface'", None, None,
2378 inet6.UDP(sport=1234, dport=1234), "funky version", None),
2379 ("src='All 0's', dst='iface'", all_0s, None,
2380 ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1),
2381 ("src='iface', dst='All 0's'", None, all_0s,
2382 ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1),
2383 ("src='All 1's', dst='iface'", all_1s, None,
2384 ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1),
2385 ("src='iface', dst='All 1's'", None, all_1s,
2386 ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1),
2387 ("src='All 1's', dst='All 1's'", all_1s, all_1s,
2388 ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1),
2391 def test_ip_input_no_replies(self, name, src, dst, l4, msg, timeout):
2393 self._testMethodDoc = 'IPv6 Input Exception - %s' % name
2395 p_version = (Ether(src=self.pg0.remote_mac,
2396 dst=self.pg0.local_mac) /
2397 IPv6(src=src or self.pg0.remote_ip6,
2398 dst=dst or self.pg1.remote_ip6,
2403 self.send_and_assert_no_replies(self.pg0, p_version * NUM_PKTS,
2407 def test_hop_by_hop(self):
2408 """ Hop-by-hop header test """
2410 p = (Ether(src=self.pg0.remote_mac,
2411 dst=self.pg0.local_mac) /
2412 IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
2413 IPv6ExtHdrHopByHop() /
2414 inet6.UDP(sport=1234, dport=1234) /
2417 self.pg0.add_stream(p)
2418 self.pg_enable_capture(self.pg_interfaces)
2422 class TestIPReplace(VppTestCase):
2423 """ IPv6 Table Replace """
2426 def setUpClass(cls):
2427 super(TestIPReplace, cls).setUpClass()
2430 def tearDownClass(cls):
2431 super(TestIPReplace, cls).tearDownClass()
2434 super(TestIPReplace, self).setUp()
2436 self.create_pg_interfaces(range(4))
2441 for i in self.pg_interfaces:
2445 i.generate_remote_hosts(2)
2446 self.tables.append(VppIpTable(self, table_id,
2447 True).add_vpp_config())
2451 super(TestIPReplace, self).tearDown()
2452 for i in self.pg_interfaces:
2456 def test_replace(self):
2457 """ IP Table Replace """
2460 links = [self.pg0, self.pg1, self.pg2, self.pg3]
2461 routes = [[], [], [], []]
2463 # the sizes of 'empty' tables
2464 for t in self.tables:
2465 self.assertEqual(len(t.dump()), 2)
2466 self.assertEqual(len(t.mdump()), 5)
2468 # load up the tables with some routes
2469 for ii, t in enumerate(self.tables):
2470 for jj in range(1, N_ROUTES):
2472 self, "2001::%d" % jj if jj != 0 else "2001::", 128,
2473 [VppRoutePath(links[ii].remote_hosts[0].ip6,
2474 links[ii].sw_if_index),
2475 VppRoutePath(links[ii].remote_hosts[1].ip6,
2476 links[ii].sw_if_index)],
2477 table_id=t.table_id).add_vpp_config()
2478 multi = VppIpMRoute(
2480 "ff:2001::%d" % jj, 128,
2481 MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
2482 [VppMRoutePath(self.pg0.sw_if_index,
2483 MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT,
2484 proto=FibPathProto.FIB_PATH_NH_PROTO_IP6),
2485 VppMRoutePath(self.pg1.sw_if_index,
2486 MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
2487 proto=FibPathProto.FIB_PATH_NH_PROTO_IP6),
2488 VppMRoutePath(self.pg2.sw_if_index,
2489 MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
2490 proto=FibPathProto.FIB_PATH_NH_PROTO_IP6),
2491 VppMRoutePath(self.pg3.sw_if_index,
2492 MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
2493 proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)],
2494 table_id=t.table_id).add_vpp_config()
2495 routes[ii].append({'uni': uni,
2499 # replace the tables a few times
2502 # replace each table
2503 for t in self.tables:
2506 # all the routes are still there
2507 for ii, t in enumerate(self.tables):
2510 for r in routes[ii]:
2511 self.assertTrue(find_route_in_dump(dump, r['uni'], t))
2512 self.assertTrue(find_mroute_in_dump(mdump, r['multi'], t))
2514 # redownload the even numbered routes
2515 for ii, t in enumerate(self.tables):
2516 for jj in range(0, N_ROUTES, 2):
2517 routes[ii][jj]['uni'].add_vpp_config()
2518 routes[ii][jj]['multi'].add_vpp_config()
2520 # signal each table converged
2521 for t in self.tables:
2524 # we should find the even routes, but not the odd
2525 for ii, t in enumerate(self.tables):
2528 for jj in range(0, N_ROUTES, 2):
2529 self.assertTrue(find_route_in_dump(
2530 dump, routes[ii][jj]['uni'], t))
2531 self.assertTrue(find_mroute_in_dump(
2532 mdump, routes[ii][jj]['multi'], t))
2533 for jj in range(1, N_ROUTES - 1, 2):
2534 self.assertFalse(find_route_in_dump(
2535 dump, routes[ii][jj]['uni'], t))
2536 self.assertFalse(find_mroute_in_dump(
2537 mdump, routes[ii][jj]['multi'], t))
2539 # reload all the routes
2540 for ii, t in enumerate(self.tables):
2541 for r in routes[ii]:
2542 r['uni'].add_vpp_config()
2543 r['multi'].add_vpp_config()
2545 # all the routes are still there
2546 for ii, t in enumerate(self.tables):
2549 for r in routes[ii]:
2550 self.assertTrue(find_route_in_dump(dump, r['uni'], t))
2551 self.assertTrue(find_mroute_in_dump(mdump, r['multi'], t))
2554 # finally flush the tables for good measure
2556 for t in self.tables:
2558 self.assertEqual(len(t.dump()), 2)
2559 self.assertEqual(len(t.mdump()), 5)
2562 if __name__ == '__main__':
2563 unittest.main(testRunner=VppTestRunner)