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 ipaddress import IPv6Network, IPv6Address
33 AF_INET6 = socket.AF_INET6
43 class TestIPv6ND(VppTestCase):
44 def validate_ra(self, intf, rx, dst_ip=None):
46 dst_ip = intf.remote_ip6
48 # unicasted packets must come to the unicast mac
49 self.assertEqual(rx[Ether].dst, intf.remote_mac)
51 # and from the router's MAC
52 self.assertEqual(rx[Ether].src, intf.local_mac)
54 # the rx'd RA should be addressed to the sender's source
55 self.assertTrue(rx.haslayer(ICMPv6ND_RA))
56 self.assertEqual(in6_ptop(rx[IPv6].dst),
59 # and come from the router's link local
60 self.assertTrue(in6_islladdr(rx[IPv6].src))
61 self.assertEqual(in6_ptop(rx[IPv6].src),
62 in6_ptop(mk_ll_addr(intf.local_mac)))
64 def validate_na(self, intf, rx, dst_ip=None, tgt_ip=None):
66 dst_ip = intf.remote_ip6
68 dst_ip = intf.local_ip6
70 # unicasted packets must come to the unicast mac
71 self.assertEqual(rx[Ether].dst, intf.remote_mac)
73 # and from the router's MAC
74 self.assertEqual(rx[Ether].src, intf.local_mac)
76 # the rx'd NA should be addressed to the sender's source
77 self.assertTrue(rx.haslayer(ICMPv6ND_NA))
78 self.assertEqual(in6_ptop(rx[IPv6].dst),
81 # and come from the target address
83 in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip))
85 # Dest link-layer options should have the router's MAC
86 dll = rx[ICMPv6NDOptDstLLAddr]
87 self.assertEqual(dll.lladdr, intf.local_mac)
89 def validate_ns(self, intf, rx, tgt_ip):
90 nsma = in6_getnsma(inet_pton(AF_INET6, tgt_ip))
91 dst_ip = inet_ntop(AF_INET6, nsma)
94 self.assertEqual(rx[Ether].dst, in6_getnsmac(nsma))
96 # and from the router's MAC
97 self.assertEqual(rx[Ether].src, intf.local_mac)
99 # the rx'd NS should be addressed to an mcast address
100 # derived from the target address
102 in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip))
104 # expect the tgt IP in the NS header
106 self.assertEqual(in6_ptop(ns.tgt), in6_ptop(tgt_ip))
108 # packet is from the router's local address
110 in6_ptop(rx[IPv6].src), intf.local_ip6)
112 # Src link-layer options should have the router's MAC
113 sll = rx[ICMPv6NDOptSrcLLAddr]
114 self.assertEqual(sll.lladdr, intf.local_mac)
116 def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
117 filter_out_fn=is_ipv6_misc):
118 intf.add_stream(pkts)
119 self.pg_enable_capture(self.pg_interfaces)
121 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
123 self.assertEqual(len(rx), 1)
125 self.validate_ra(intf, rx, dst_ip)
127 def send_and_expect_na(self, intf, pkts, remark, dst_ip=None,
129 filter_out_fn=is_ipv6_misc):
130 intf.add_stream(pkts)
131 self.pg_enable_capture(self.pg_interfaces)
133 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
135 self.assertEqual(len(rx), 1)
137 self.validate_na(intf, rx, dst_ip, tgt_ip)
139 def send_and_expect_ns(self, tx_intf, rx_intf, pkts, tgt_ip,
140 filter_out_fn=is_ipv6_misc):
141 self.vapi.cli("clear trace")
142 tx_intf.add_stream(pkts)
143 self.pg_enable_capture(self.pg_interfaces)
145 rx = rx_intf.get_capture(1, filter_out_fn=filter_out_fn)
147 self.assertEqual(len(rx), 1)
149 self.validate_ns(rx_intf, rx, tgt_ip)
151 def verify_ip(self, rx, smac, dmac, sip, dip):
153 self.assertEqual(ether.dst, dmac)
154 self.assertEqual(ether.src, smac)
157 self.assertEqual(ip.src, sip)
158 self.assertEqual(ip.dst, dip)
161 class TestIPv6(TestIPv6ND):
162 """ IPv6 Test Case """
166 super(TestIPv6, cls).setUpClass()
169 def tearDownClass(cls):
170 super(TestIPv6, cls).tearDownClass()
174 Perform test setup before test case.
177 - create 3 pg interfaces
178 - untagged pg0 interface
179 - Dot1Q subinterface on pg1
180 - Dot1AD subinterface on pg2
182 - put it into UP state
184 - resolve neighbor address using NDP
185 - configure 200 fib entries
187 :ivar list interfaces: pg interfaces and subinterfaces.
188 :ivar dict flows: IPv4 packet flows in test.
190 *TODO:* Create AD sub interface
192 super(TestIPv6, self).setUp()
194 # create 3 pg interfaces
195 self.create_pg_interfaces(range(3))
197 # create 2 subinterfaces for p1 and pg2
198 self.sub_interfaces = [
199 VppDot1QSubint(self, self.pg1, 100),
200 VppDot1QSubint(self, self.pg2, 200)
201 # TODO: VppDot1ADSubint(self, self.pg2, 200, 300, 400)
204 # packet flows mapping pg0 -> pg1.sub, pg2.sub, etc.
206 self.flows[self.pg0] = [self.pg1.sub_if, self.pg2.sub_if]
207 self.flows[self.pg1.sub_if] = [self.pg0, self.pg2.sub_if]
208 self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if]
211 self.pg_if_packet_sizes = [64, 1500, 9020]
213 self.interfaces = list(self.pg_interfaces)
214 self.interfaces.extend(self.sub_interfaces)
216 # setup all interfaces
217 for i in self.interfaces:
223 """Run standard test teardown and log ``show ip6 neighbors``."""
224 for i in self.interfaces:
227 for i in self.sub_interfaces:
228 i.remove_vpp_config()
230 super(TestIPv6, self).tearDown()
231 if not self.vpp_dead:
232 self.logger.info(self.vapi.cli("show ip6 neighbors"))
233 # info(self.vapi.cli("show ip6 fib")) # many entries
235 def modify_packet(self, src_if, packet_size, pkt):
236 """Add load, set destination IP and extend packet to required packet
237 size for defined interface.
239 :param VppInterface src_if: Interface to create packet for.
240 :param int packet_size: Required packet size.
241 :param Scapy pkt: Packet to be modified.
243 dst_if_idx = int(packet_size / 10 % 2)
244 dst_if = self.flows[src_if][dst_if_idx]
245 info = self.create_packet_info(src_if, dst_if)
246 payload = self.info_to_payload(info)
247 p = pkt / Raw(payload)
248 p[IPv6].dst = dst_if.remote_ip6
250 if isinstance(src_if, VppSubInterface):
251 p = src_if.add_dot1_layer(p)
252 self.extend_packet(p, packet_size)
256 def create_stream(self, src_if):
257 """Create input packet stream for defined interface.
259 :param VppInterface src_if: Interface to create packet stream for.
261 hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0
262 pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
263 IPv6(src=src_if.remote_ip6) /
264 inet6.UDP(sport=1234, dport=1234))
266 pkts = [self.modify_packet(src_if, i, pkt_tmpl)
267 for i in moves.range(self.pg_if_packet_sizes[0],
268 self.pg_if_packet_sizes[1], 10)]
269 pkts_b = [self.modify_packet(src_if, i, pkt_tmpl)
270 for i in moves.range(self.pg_if_packet_sizes[1] + hdr_ext,
271 self.pg_if_packet_sizes[2] + hdr_ext,
277 def verify_capture(self, dst_if, capture):
278 """Verify captured input packet stream for defined interface.
280 :param VppInterface dst_if: Interface to verify captured packet stream
282 :param list capture: Captured packet stream.
284 self.logger.info("Verifying capture on interface %s" % dst_if.name)
286 for i in self.interfaces:
287 last_info[i.sw_if_index] = None
289 dst_sw_if_index = dst_if.sw_if_index
290 if hasattr(dst_if, 'parent'):
292 for packet in capture:
294 # Check VLAN tags and Ethernet header
295 packet = dst_if.remove_dot1_layer(packet)
296 self.assertTrue(Dot1Q not in packet)
299 udp = packet[inet6.UDP]
300 payload_info = self.payload_to_info(packet[Raw])
301 packet_index = payload_info.index
302 self.assertEqual(payload_info.dst, dst_sw_if_index)
304 "Got packet on port %s: src=%u (id=%u)" %
305 (dst_if.name, payload_info.src, packet_index))
306 next_info = self.get_next_packet_info_for_interface2(
307 payload_info.src, dst_sw_if_index,
308 last_info[payload_info.src])
309 last_info[payload_info.src] = next_info
310 self.assertTrue(next_info is not None)
311 self.assertEqual(packet_index, next_info.index)
312 saved_packet = next_info.data
313 # Check standard fields
315 ip.src, saved_packet[IPv6].src)
317 ip.dst, saved_packet[IPv6].dst)
319 udp.sport, saved_packet[inet6.UDP].sport)
321 udp.dport, saved_packet[inet6.UDP].dport)
323 self.logger.error(ppp("Unexpected or invalid packet:", packet))
325 for i in self.interfaces:
326 remaining_packet = self.get_next_packet_info_for_interface2(
327 i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
328 self.assertTrue(remaining_packet is None,
329 "Interface %s: Packet expected from interface %s "
330 "didn't arrive" % (dst_if.name, i.name))
332 def test_next_header_anomaly(self):
333 """ IPv6 next header anomaly test
336 - ipv6 next header field = Fragment Header (44)
337 - next header is ICMPv6 Echo Request
338 - wait for reassembly
340 pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
341 IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=44) /
344 self.pg0.add_stream(pkt)
347 # wait for reassembly
354 - Create IPv6 stream for pg0 interface
355 - Create IPv6 tagged streams for pg1's and pg2's subinterface.
356 - Send and verify received packets on each interface.
359 pkts = self.create_stream(self.pg0)
360 self.pg0.add_stream(pkts)
362 for i in self.sub_interfaces:
363 pkts = self.create_stream(i)
364 i.parent.add_stream(pkts)
366 self.pg_enable_capture(self.pg_interfaces)
369 pkts = self.pg0.get_capture()
370 self.verify_capture(self.pg0, pkts)
372 for i in self.sub_interfaces:
373 pkts = i.parent.get_capture()
374 self.verify_capture(i, pkts)
377 """ IPv6 Neighbour Solicitation Exceptions
380 - Send an NS Sourced from an address not covered by the link sub-net
381 - Send an NS to an mcast address the router has not joined
382 - Send NS for a target address the router does not onn.
386 # An NS from a non link source address
388 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
389 d = inet_ntop(AF_INET6, nsma)
391 p = (Ether(dst=in6_getnsmac(nsma)) /
392 IPv6(dst=d, src="2002::2") /
393 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
394 ICMPv6NDOptSrcLLAddr(
395 lladdr=self.pg0.remote_mac))
398 self.send_and_assert_no_replies(
400 "No response to NS source by address not on sub-net")
403 # An NS for sent to a solicited mcast group the router is
404 # not a member of FAILS
407 nsma = in6_getnsma(inet_pton(AF_INET6, "fd::ffff"))
408 d = inet_ntop(AF_INET6, nsma)
410 p = (Ether(dst=in6_getnsmac(nsma)) /
411 IPv6(dst=d, src=self.pg0.remote_ip6) /
412 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
413 ICMPv6NDOptSrcLLAddr(
414 lladdr=self.pg0.remote_mac))
417 self.send_and_assert_no_replies(
419 "No response to NS sent to unjoined mcast address")
422 # An NS whose target address is one the router does not own
424 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
425 d = inet_ntop(AF_INET6, nsma)
427 p = (Ether(dst=in6_getnsmac(nsma)) /
428 IPv6(dst=d, src=self.pg0.remote_ip6) /
429 ICMPv6ND_NS(tgt="fd::ffff") /
430 ICMPv6NDOptSrcLLAddr(
431 lladdr=self.pg0.remote_mac))
434 self.send_and_assert_no_replies(self.pg0, pkts,
435 "No response to NS for unknown target")
438 # A neighbor entry that has no associated FIB-entry
440 self.pg0.generate_remote_hosts(4)
441 nd_entry = VppNeighbor(self,
442 self.pg0.sw_if_index,
443 self.pg0.remote_hosts[2].mac,
444 self.pg0.remote_hosts[2].ip6,
446 nd_entry.add_vpp_config()
449 # check we have the neighbor, but no route
451 self.assertTrue(find_nbr(self,
452 self.pg0.sw_if_index,
453 self.pg0._remote_hosts[2].ip6))
454 self.assertFalse(find_route(self,
455 self.pg0._remote_hosts[2].ip6,
459 # send an NS from a link local address to the interface's global
462 p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
464 dst=d, src=self.pg0._remote_hosts[2].ip6_ll) /
465 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
466 ICMPv6NDOptSrcLLAddr(
467 lladdr=self.pg0.remote_mac))
469 self.send_and_expect_na(self.pg0, p,
470 "NS from link-local",
471 dst_ip=self.pg0._remote_hosts[2].ip6_ll,
472 tgt_ip=self.pg0.local_ip6)
475 # we should have learned an ND entry for the peer's link-local
476 # but not inserted a route to it in the FIB
478 self.assertTrue(find_nbr(self,
479 self.pg0.sw_if_index,
480 self.pg0._remote_hosts[2].ip6_ll))
481 self.assertFalse(find_route(self,
482 self.pg0._remote_hosts[2].ip6_ll,
486 # An NS to the router's own Link-local
488 p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
490 dst=d, src=self.pg0._remote_hosts[3].ip6_ll) /
491 ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll) /
492 ICMPv6NDOptSrcLLAddr(
493 lladdr=self.pg0.remote_mac))
495 self.send_and_expect_na(self.pg0, p,
496 "NS to/from link-local",
497 dst_ip=self.pg0._remote_hosts[3].ip6_ll,
498 tgt_ip=self.pg0.local_ip6_ll)
501 # we should have learned an ND entry for the peer's link-local
502 # but not inserted a route to it in the FIB
504 self.assertTrue(find_nbr(self,
505 self.pg0.sw_if_index,
506 self.pg0._remote_hosts[3].ip6_ll))
507 self.assertFalse(find_route(self,
508 self.pg0._remote_hosts[3].ip6_ll,
511 def test_ns_duplicates(self):
515 # Generate some hosts on the LAN
517 self.pg1.generate_remote_hosts(3)
520 # Add host 1 on pg1 and pg2
522 ns_pg1 = VppNeighbor(self,
523 self.pg1.sw_if_index,
524 self.pg1.remote_hosts[1].mac,
525 self.pg1.remote_hosts[1].ip6)
526 ns_pg1.add_vpp_config()
527 ns_pg2 = VppNeighbor(self,
528 self.pg2.sw_if_index,
530 self.pg1.remote_hosts[1].ip6)
531 ns_pg2.add_vpp_config()
534 # IP packet destined for pg1 remote host arrives on pg1 again.
536 p = (Ether(dst=self.pg0.local_mac,
537 src=self.pg0.remote_mac) /
538 IPv6(src=self.pg0.remote_ip6,
539 dst=self.pg1.remote_hosts[1].ip6) /
540 inet6.UDP(sport=1234, dport=1234) /
543 self.pg0.add_stream(p)
544 self.pg_enable_capture(self.pg_interfaces)
547 rx1 = self.pg1.get_capture(1)
549 self.verify_ip(rx1[0],
551 self.pg1.remote_hosts[1].mac,
553 self.pg1.remote_hosts[1].ip6)
556 # remove the duplicate on pg1
557 # packet stream should generate NSs out of pg1
559 ns_pg1.remove_vpp_config()
561 self.send_and_expect_ns(self.pg0, self.pg1,
562 p, self.pg1.remote_hosts[1].ip6)
567 ns_pg1.add_vpp_config()
569 self.pg0.add_stream(p)
570 self.pg_enable_capture(self.pg_interfaces)
573 rx1 = self.pg1.get_capture(1)
575 self.verify_ip(rx1[0],
577 self.pg1.remote_hosts[1].mac,
579 self.pg1.remote_hosts[1].ip6)
581 def validate_ra(self, intf, rx, dst_ip=None, src_ip=None,
582 mtu=9000, pi_opt=None):
584 dst_ip = intf.remote_ip6
586 src_ip = mk_ll_addr(intf.local_mac)
588 # unicasted packets must come to the unicast mac
589 self.assertEqual(rx[Ether].dst, intf.remote_mac)
591 # and from the router's MAC
592 self.assertEqual(rx[Ether].src, intf.local_mac)
594 # the rx'd RA should be addressed to the sender's source
595 self.assertTrue(rx.haslayer(ICMPv6ND_RA))
596 self.assertEqual(in6_ptop(rx[IPv6].dst),
599 # and come from the router's link local
600 self.assertTrue(in6_islladdr(rx[IPv6].src))
601 self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(src_ip))
603 # it should contain the links MTU
605 self.assertEqual(ra[ICMPv6NDOptMTU].mtu, mtu)
607 # it should contain the source's link layer address option
608 sll = ra[ICMPv6NDOptSrcLLAddr]
609 self.assertEqual(sll.lladdr, intf.local_mac)
612 # the RA should not contain prefix information
613 self.assertFalse(ra.haslayer(
614 ICMPv6NDOptPrefixInfo))
616 raos = rx.getlayer(ICMPv6NDOptPrefixInfo, 1)
618 # the options are nested in the scapy packet in way that i cannot
619 # decipher how to decode. this 1st layer of option always returns
620 # nested classes, so a direct obj1=obj2 comparison always fails.
621 # however, the getlayer(.., 2) does give one instance.
622 # so we cheat here and construct a new opt instance for comparison
623 rd = ICMPv6NDOptPrefixInfo(
624 prefixlen=raos.prefixlen,
628 if type(pi_opt) is list:
629 for ii in range(len(pi_opt)):
630 self.assertEqual(pi_opt[ii], rd)
632 ICMPv6NDOptPrefixInfo, ii + 2)
634 self.assertEqual(pi_opt, raos, 'Expected: %s, received: %s'
635 % (pi_opt.show(dump=True),
636 raos.show(dump=True)))
638 def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None,
639 filter_out_fn=is_ipv6_misc,
642 self.vapi.cli("clear trace")
643 intf.add_stream(pkts)
644 self.pg_enable_capture(self.pg_interfaces)
646 rx = intf.get_capture(1, filter_out_fn=filter_out_fn)
648 self.assertEqual(len(rx), 1)
650 self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt)
653 """ IPv6 Router Solicitation Exceptions
659 # Before we begin change the IPv6 RA responses to use the unicast
660 # address - that way we will not confuse them with the periodic
661 # RAs which go to the mcast address
662 # Sit and wait for the first periodic RA.
666 self.pg0.ip6_ra_config(send_unicast=1)
669 # An RS from a link source address
670 # - expect an RA in return
672 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
673 IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) /
676 self.send_and_expect_ra(self.pg0, pkts, "Genuine RS")
679 # For the next RS sent the RA should be rate limited
681 self.send_and_assert_no_replies(self.pg0, pkts, "RA rate limited")
684 # When we reconfigure the IPv6 RA config,
685 # we reset the RA rate limiting,
686 # so we need to do this before each test below so as not to drop
687 # packets for rate limiting reasons. Test this works here.
689 self.pg0.ip6_ra_config(send_unicast=1)
690 self.send_and_expect_ra(self.pg0, pkts, "Rate limit reset RS")
693 # An RS sent from a non-link local source
695 self.pg0.ip6_ra_config(send_unicast=1)
696 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
697 IPv6(dst=self.pg0.local_ip6,
701 self.send_and_assert_no_replies(self.pg0, pkts,
702 "RS from non-link source")
705 # Source an RS from a link local address
707 self.pg0.ip6_ra_config(send_unicast=1)
708 ll = mk_ll_addr(self.pg0.remote_mac)
709 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
710 IPv6(dst=self.pg0.local_ip6, src=ll) /
713 self.send_and_expect_ra(self.pg0, pkts,
714 "RS sourced from link-local",
718 # Send the RS multicast
720 self.pg0.ip6_ra_config(send_unicast=1)
721 dmac = in6_getnsmac(inet_pton(AF_INET6, "ff02::2"))
722 ll = mk_ll_addr(self.pg0.remote_mac)
723 p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
724 IPv6(dst="ff02::2", src=ll) /
727 self.send_and_expect_ra(self.pg0, pkts,
728 "RS sourced from link-local",
732 # Source from the unspecified address ::. This happens when the RS
733 # is sent before the host has a configured address/sub-net,
734 # i.e. auto-config. Since the sender has no IP address, the reply
735 # comes back mcast - so the capture needs to not filter this.
736 # If we happen to pick up the periodic RA at this point then so be it,
739 self.pg0.ip6_ra_config(send_unicast=1, suppress=1)
740 p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
741 IPv6(dst="ff02::2", src="::") /
744 self.send_and_expect_ra(self.pg0, pkts,
745 "RS sourced from unspecified",
750 # Configure The RA to announce the links prefix
752 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
753 self.pg0.local_ip6_prefix_len))
756 # RAs should now contain the prefix information option
758 opt = ICMPv6NDOptPrefixInfo(
759 prefixlen=self.pg0.local_ip6_prefix_len,
760 prefix=self.pg0.local_ip6,
764 self.pg0.ip6_ra_config(send_unicast=1)
765 ll = mk_ll_addr(self.pg0.remote_mac)
766 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
767 IPv6(dst=self.pg0.local_ip6, src=ll) /
769 self.send_and_expect_ra(self.pg0, p,
770 "RA with prefix-info",
775 # Change the prefix info to not off-link
778 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
779 self.pg0.local_ip6_prefix_len),
782 opt = ICMPv6NDOptPrefixInfo(
783 prefixlen=self.pg0.local_ip6_prefix_len,
784 prefix=self.pg0.local_ip6,
788 self.pg0.ip6_ra_config(send_unicast=1)
789 self.send_and_expect_ra(self.pg0, p,
790 "RA with Prefix info with L-flag=0",
795 # Change the prefix info to not off-link, no-autoconfig
796 # L and A flag are clear in the advert
798 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
799 self.pg0.local_ip6_prefix_len),
803 opt = ICMPv6NDOptPrefixInfo(
804 prefixlen=self.pg0.local_ip6_prefix_len,
805 prefix=self.pg0.local_ip6,
809 self.pg0.ip6_ra_config(send_unicast=1)
810 self.send_and_expect_ra(self.pg0, p,
811 "RA with Prefix info with A & L-flag=0",
816 # Change the flag settings back to the defaults
817 # L and A flag are set in the advert
819 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
820 self.pg0.local_ip6_prefix_len))
822 opt = ICMPv6NDOptPrefixInfo(
823 prefixlen=self.pg0.local_ip6_prefix_len,
824 prefix=self.pg0.local_ip6,
828 self.pg0.ip6_ra_config(send_unicast=1)
829 self.send_and_expect_ra(self.pg0, p,
830 "RA with Prefix info",
835 # Change the prefix info to not off-link, no-autoconfig
836 # L and A flag are clear in the advert
838 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
839 self.pg0.local_ip6_prefix_len),
843 opt = ICMPv6NDOptPrefixInfo(
844 prefixlen=self.pg0.local_ip6_prefix_len,
845 prefix=self.pg0.local_ip6,
849 self.pg0.ip6_ra_config(send_unicast=1)
850 self.send_and_expect_ra(self.pg0, p,
851 "RA with Prefix info with A & L-flag=0",
856 # Use the reset to defaults option to revert to defaults
857 # L and A flag are clear in the advert
859 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
860 self.pg0.local_ip6_prefix_len),
863 opt = ICMPv6NDOptPrefixInfo(
864 prefixlen=self.pg0.local_ip6_prefix_len,
865 prefix=self.pg0.local_ip6,
869 self.pg0.ip6_ra_config(send_unicast=1)
870 self.send_and_expect_ra(self.pg0, p,
871 "RA with Prefix reverted to defaults",
876 # Advertise Another prefix. With no L-flag/A-flag
878 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6,
879 self.pg1.local_ip6_prefix_len),
883 opt = [ICMPv6NDOptPrefixInfo(
884 prefixlen=self.pg0.local_ip6_prefix_len,
885 prefix=self.pg0.local_ip6,
888 ICMPv6NDOptPrefixInfo(
889 prefixlen=self.pg1.local_ip6_prefix_len,
890 prefix=self.pg1.local_ip6,
894 self.pg0.ip6_ra_config(send_unicast=1)
895 ll = mk_ll_addr(self.pg0.remote_mac)
896 p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
897 IPv6(dst=self.pg0.local_ip6, src=ll) /
899 self.send_and_expect_ra(self.pg0, p,
900 "RA with multiple Prefix infos",
905 # Remove the first prefix-info - expect the second is still in the
908 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6,
909 self.pg0.local_ip6_prefix_len),
912 opt = ICMPv6NDOptPrefixInfo(
913 prefixlen=self.pg1.local_ip6_prefix_len,
914 prefix=self.pg1.local_ip6,
918 self.pg0.ip6_ra_config(send_unicast=1)
919 self.send_and_expect_ra(self.pg0, p,
920 "RA with Prefix reverted to defaults",
925 # Remove the second prefix-info - expect no prefix-info in the adverts
927 self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6,
928 self.pg1.local_ip6_prefix_len),
932 # change the link's link local, so we know that works too.
934 self.vapi.sw_interface_ip6_set_link_local_address(
935 sw_if_index=self.pg0.sw_if_index,
938 self.pg0.ip6_ra_config(send_unicast=1)
939 self.send_and_expect_ra(self.pg0, p,
940 "RA with Prefix reverted to defaults",
945 # Reset the periodic advertisements back to default values
947 self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
952 # test one MLD is sent after applying an IPv6 Address on an interface
954 self.pg_enable_capture(self.pg_interfaces)
957 subitf = VppDot1QSubint(self, self.pg1, 99)
962 rxs = self.pg1._get_capture(timeout=2, filter_out_fn=None)
965 # hunt for the MLD on vlan 99
968 # make sure ipv6 packets with hop by hop options have
970 self.assert_packet_checksums_valid(rx)
971 if rx.haslayer(IPv6ExtHdrHopByHop) and \
972 rx.haslayer(Dot1Q) and \
973 rx[Dot1Q].vlan == 99:
974 mld = rx[ICMPv6MLReport2]
976 self.assertEqual(mld.records_number, 4)
979 class TestIPv6IfAddrRoute(VppTestCase):
980 """ IPv6 Interface Addr Route Test Case """
984 super(TestIPv6IfAddrRoute, cls).setUpClass()
987 def tearDownClass(cls):
988 super(TestIPv6IfAddrRoute, cls).tearDownClass()
991 super(TestIPv6IfAddrRoute, self).setUp()
993 # create 1 pg interface
994 self.create_pg_interfaces(range(1))
996 for i in self.pg_interfaces:
1002 super(TestIPv6IfAddrRoute, self).tearDown()
1003 for i in self.pg_interfaces:
1007 def test_ipv6_ifaddrs_same_prefix(self):
1008 """ IPv6 Interface Addresses Same Prefix test
1012 - Verify no route in FIB for prefix 2001:10::/64
1013 - Configure IPv4 address 2001:10::10/64 on an interface
1014 - Verify route in FIB for prefix 2001:10::/64
1015 - Configure IPv4 address 2001:10::20/64 on an interface
1016 - Delete 2001:10::10/64 from interface
1017 - Verify route in FIB for prefix 2001:10::/64
1018 - Delete 2001:10::20/64 from interface
1019 - Verify no route in FIB for prefix 2001:10::/64
1022 addr1 = "2001:10::10"
1023 addr2 = "2001:10::20"
1025 if_addr1 = VppIpInterfaceAddress(self, self.pg0, addr1, 64)
1026 if_addr2 = VppIpInterfaceAddress(self, self.pg0, addr2, 64)
1027 self.assertFalse(if_addr1.query_vpp_config())
1028 self.assertFalse(find_route(self, addr1, 128))
1029 self.assertFalse(find_route(self, addr2, 128))
1031 # configure first address, verify route present
1032 if_addr1.add_vpp_config()
1033 self.assertTrue(if_addr1.query_vpp_config())
1034 self.assertTrue(find_route(self, addr1, 128))
1035 self.assertFalse(find_route(self, addr2, 128))
1037 # configure second address, delete first, verify route not removed
1038 if_addr2.add_vpp_config()
1039 if_addr1.remove_vpp_config()
1040 self.assertFalse(if_addr1.query_vpp_config())
1041 self.assertTrue(if_addr2.query_vpp_config())
1042 self.assertFalse(find_route(self, addr1, 128))
1043 self.assertTrue(find_route(self, addr2, 128))
1045 # delete second address, verify route removed
1046 if_addr2.remove_vpp_config()
1047 self.assertFalse(if_addr1.query_vpp_config())
1048 self.assertFalse(find_route(self, addr1, 128))
1049 self.assertFalse(find_route(self, addr2, 128))
1052 class TestICMPv6Echo(VppTestCase):
1053 """ ICMPv6 Echo Test Case """
1056 def setUpClass(cls):
1057 super(TestICMPv6Echo, cls).setUpClass()
1060 def tearDownClass(cls):
1061 super(TestICMPv6Echo, cls).tearDownClass()
1064 super(TestICMPv6Echo, self).setUp()
1066 # create 1 pg interface
1067 self.create_pg_interfaces(range(1))
1069 for i in self.pg_interfaces:
1075 super(TestICMPv6Echo, self).tearDown()
1076 for i in self.pg_interfaces:
1080 def test_icmpv6_echo(self):
1081 """ VPP replies to ICMPv6 Echo Request
1085 - Receive ICMPv6 Echo Request message on pg0 interface.
1086 - Check outgoing ICMPv6 Echo Reply message on pg0 interface.
1091 icmpv6_data = b'\x0a' * 18
1092 p_echo_request = (Ether(src=self.pg0.remote_mac,
1093 dst=self.pg0.local_mac) /
1094 IPv6(src=self.pg0.remote_ip6,
1095 dst=self.pg0.local_ip6) /
1101 self.pg0.add_stream(p_echo_request)
1102 self.pg_enable_capture(self.pg_interfaces)
1105 rx = self.pg0.get_capture(1)
1109 icmpv6 = rx[ICMPv6EchoReply]
1111 self.assertEqual(ether.src, self.pg0.local_mac)
1112 self.assertEqual(ether.dst, self.pg0.remote_mac)
1114 self.assertEqual(ipv6.src, self.pg0.local_ip6)
1115 self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
1118 icmp6types[icmpv6.type], "Echo Reply")
1119 self.assertEqual(icmpv6.id, icmpv6_id)
1120 self.assertEqual(icmpv6.seq, icmpv6_seq)
1121 self.assertEqual(icmpv6.data, icmpv6_data)
1124 class TestIPv6RD(TestIPv6ND):
1125 """ IPv6 Router Discovery Test Case """
1128 def setUpClass(cls):
1129 super(TestIPv6RD, cls).setUpClass()
1132 def tearDownClass(cls):
1133 super(TestIPv6RD, cls).tearDownClass()
1136 super(TestIPv6RD, self).setUp()
1138 # create 2 pg interfaces
1139 self.create_pg_interfaces(range(2))
1141 self.interfaces = list(self.pg_interfaces)
1143 # setup all interfaces
1144 for i in self.interfaces:
1149 for i in self.interfaces:
1152 super(TestIPv6RD, self).tearDown()
1154 def test_rd_send_router_solicitation(self):
1155 """ Verify router solicitation packets """
1158 self.pg_enable_capture(self.pg_interfaces)
1160 self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index,
1162 rx_list = self.pg1.get_capture(count, timeout=3)
1163 self.assertEqual(len(rx_list), count)
1164 for packet in rx_list:
1165 self.assertEqual(packet.haslayer(IPv6), 1)
1166 self.assertEqual(packet[IPv6].haslayer(
1168 dst = ip6_normalize(packet[IPv6].dst)
1169 dst2 = ip6_normalize("ff02::2")
1170 self.assert_equal(dst, dst2)
1171 src = ip6_normalize(packet[IPv6].src)
1172 src2 = ip6_normalize(self.pg1.local_ip6_ll)
1173 self.assert_equal(src, src2)
1175 bool(packet[ICMPv6ND_RS].haslayer(
1176 ICMPv6NDOptSrcLLAddr)))
1178 packet[ICMPv6NDOptSrcLLAddr].lladdr,
1181 def verify_prefix_info(self, reported_prefix, prefix_option):
1182 prefix = IPv6Network(
1183 text_type(prefix_option.getfieldval("prefix") +
1185 text_type(prefix_option.getfieldval("prefixlen"))),
1187 self.assert_equal(reported_prefix.prefix.network_address,
1188 prefix.network_address)
1189 L = prefix_option.getfieldval("L")
1190 A = prefix_option.getfieldval("A")
1191 option_flags = (L << 7) | (A << 6)
1192 self.assert_equal(reported_prefix.flags, option_flags)
1193 self.assert_equal(reported_prefix.valid_time,
1194 prefix_option.getfieldval("validlifetime"))
1195 self.assert_equal(reported_prefix.preferred_time,
1196 prefix_option.getfieldval("preferredlifetime"))
1198 def test_rd_receive_router_advertisement(self):
1199 """ Verify events triggered by received RA packets """
1201 self.vapi.want_ip6_ra_events(enable=1)
1203 prefix_info_1 = ICMPv6NDOptPrefixInfo(
1207 preferredlifetime=500,
1212 prefix_info_2 = ICMPv6NDOptPrefixInfo(
1216 preferredlifetime=1000,
1221 p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
1222 IPv6(dst=self.pg1.local_ip6_ll,
1223 src=mk_ll_addr(self.pg1.remote_mac)) /
1227 self.pg1.add_stream([p])
1230 ev = self.vapi.wait_for_event(10, "ip6_ra_event")
1232 self.assert_equal(ev.current_hop_limit, 0)
1233 self.assert_equal(ev.flags, 8)
1234 self.assert_equal(ev.router_lifetime_in_sec, 1800)
1235 self.assert_equal(ev.neighbor_reachable_time_in_msec, 0)
1237 ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0)
1239 self.assert_equal(ev.n_prefixes, 2)
1241 self.verify_prefix_info(ev.prefixes[0], prefix_info_1)
1242 self.verify_prefix_info(ev.prefixes[1], prefix_info_2)
1245 class TestIPv6RDControlPlane(TestIPv6ND):
1246 """ IPv6 Router Discovery Control Plane Test Case """
1249 def setUpClass(cls):
1250 super(TestIPv6RDControlPlane, cls).setUpClass()
1253 def tearDownClass(cls):
1254 super(TestIPv6RDControlPlane, cls).tearDownClass()
1257 super(TestIPv6RDControlPlane, self).setUp()
1259 # create 1 pg interface
1260 self.create_pg_interfaces(range(1))
1262 self.interfaces = list(self.pg_interfaces)
1264 # setup all interfaces
1265 for i in self.interfaces:
1270 super(TestIPv6RDControlPlane, self).tearDown()
1273 def create_ra_packet(pg, routerlifetime=None):
1274 src_ip = pg.remote_ip6_ll
1275 dst_ip = pg.local_ip6
1276 if routerlifetime is not None:
1277 ra = ICMPv6ND_RA(routerlifetime=routerlifetime)
1280 p = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
1281 IPv6(dst=dst_ip, src=src_ip) / ra)
1285 def get_default_routes(fib):
1288 if entry.route.prefix.prefixlen == 0:
1289 for path in entry.route.paths:
1290 if path.sw_if_index != 0xFFFFFFFF:
1292 defaut_route['sw_if_index'] = path.sw_if_index
1293 defaut_route['next_hop'] = path.nh.address.ip6
1294 list.append(defaut_route)
1298 def get_interface_addresses(fib, pg):
1301 if entry.route.prefix.prefixlen == 128:
1302 path = entry.route.paths[0]
1303 if path.sw_if_index == pg.sw_if_index:
1304 list.append(str(entry.route.prefix.network_address))
1307 def wait_for_no_default_route(self, n_tries=50, s_time=1):
1309 fib = self.vapi.ip_route_dump(0, True)
1310 default_routes = self.get_default_routes(fib)
1311 if 0 == len(default_routes):
1313 n_tries = n_tries - 1
1319 """ Test handling of SLAAC addresses and default routes """
1321 fib = self.vapi.ip_route_dump(0, True)
1322 default_routes = self.get_default_routes(fib)
1323 initial_addresses = set(self.get_interface_addresses(fib, self.pg0))
1324 self.assertEqual(default_routes, [])
1325 router_address = IPv6Address(text_type(self.pg0.remote_ip6_ll))
1327 self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1)
1332 packet = (self.create_ra_packet(
1333 self.pg0) / ICMPv6NDOptPrefixInfo(
1337 preferredlifetime=2,
1340 ) / ICMPv6NDOptPrefixInfo(
1344 preferredlifetime=1000,
1348 self.pg0.add_stream([packet])
1351 self.sleep_on_vpp_time(0.1)
1353 fib = self.vapi.ip_route_dump(0, True)
1355 # check FIB for new address
1356 addresses = set(self.get_interface_addresses(fib, self.pg0))
1357 new_addresses = addresses.difference(initial_addresses)
1358 self.assertEqual(len(new_addresses), 1)
1359 prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
1361 self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
1363 # check FIB for new default route
1364 default_routes = self.get_default_routes(fib)
1365 self.assertEqual(len(default_routes), 1)
1366 dr = default_routes[0]
1367 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1368 self.assertEqual(dr['next_hop'], router_address)
1370 # send RA to delete default route
1371 packet = self.create_ra_packet(self.pg0, routerlifetime=0)
1372 self.pg0.add_stream([packet])
1375 self.sleep_on_vpp_time(0.1)
1377 # check that default route is deleted
1378 fib = self.vapi.ip_route_dump(0, True)
1379 default_routes = self.get_default_routes(fib)
1380 self.assertEqual(len(default_routes), 0)
1382 self.sleep_on_vpp_time(0.1)
1385 packet = self.create_ra_packet(self.pg0)
1386 self.pg0.add_stream([packet])
1389 self.sleep_on_vpp_time(0.1)
1391 # check FIB for new default route
1392 fib = self.vapi.ip_route_dump(0, True)
1393 default_routes = self.get_default_routes(fib)
1394 self.assertEqual(len(default_routes), 1)
1395 dr = default_routes[0]
1396 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1397 self.assertEqual(dr['next_hop'], router_address)
1399 # send RA, updating router lifetime to 1s
1400 packet = self.create_ra_packet(self.pg0, 1)
1401 self.pg0.add_stream([packet])
1404 self.sleep_on_vpp_time(0.1)
1406 # check that default route still exists
1407 fib = self.vapi.ip_route_dump(0, True)
1408 default_routes = self.get_default_routes(fib)
1409 self.assertEqual(len(default_routes), 1)
1410 dr = default_routes[0]
1411 self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index)
1412 self.assertEqual(dr['next_hop'], router_address)
1414 self.sleep_on_vpp_time(1)
1416 # check that default route is deleted
1417 self.assertTrue(self.wait_for_no_default_route())
1419 # check FIB still contains the SLAAC address
1420 addresses = set(self.get_interface_addresses(fib, self.pg0))
1421 new_addresses = addresses.difference(initial_addresses)
1423 self.assertEqual(len(new_addresses), 1)
1424 prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)),
1426 self.assertEqual(prefix, IPv6Network(text_type('1::/20')))
1428 self.sleep_on_vpp_time(1)
1430 # check that SLAAC address is deleted
1431 fib = self.vapi.ip_route_dump(0, True)
1432 addresses = set(self.get_interface_addresses(fib, self.pg0))
1433 new_addresses = addresses.difference(initial_addresses)
1434 self.assertEqual(len(new_addresses), 0)
1437 class IPv6NDProxyTest(TestIPv6ND):
1438 """ IPv6 ND ProxyTest Case """
1441 def setUpClass(cls):
1442 super(IPv6NDProxyTest, cls).setUpClass()
1445 def tearDownClass(cls):
1446 super(IPv6NDProxyTest, cls).tearDownClass()
1449 super(IPv6NDProxyTest, self).setUp()
1451 # create 3 pg interfaces
1452 self.create_pg_interfaces(range(3))
1454 # pg0 is the master interface, with the configured subnet
1456 self.pg0.config_ip6()
1457 self.pg0.resolve_ndp()
1459 self.pg1.ip6_enable()
1460 self.pg2.ip6_enable()
1463 super(IPv6NDProxyTest, self).tearDown()
1465 def test_nd_proxy(self):
1466 """ IPv6 Proxy ND """
1469 # Generate some hosts in the subnet that we are proxying
1471 self.pg0.generate_remote_hosts(8)
1473 nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6))
1474 d = inet_ntop(AF_INET6, nsma)
1477 # Send an NS for one of those remote hosts on one of the proxy links
1478 # expect no response since it's from an address that is not
1479 # on the link that has the prefix configured
1481 ns_pg1 = (Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac) /
1483 src=self.pg0._remote_hosts[2].ip6) /
1484 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
1485 ICMPv6NDOptSrcLLAddr(
1486 lladdr=self.pg0._remote_hosts[2].mac))
1488 self.send_and_assert_no_replies(self.pg1, ns_pg1, "Off link NS")
1491 # Add proxy support for the host
1493 self.vapi.ip6nd_proxy_add_del(
1494 is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
1495 sw_if_index=self.pg1.sw_if_index)
1498 # try that NS again. this time we expect an NA back
1500 self.send_and_expect_na(self.pg1, ns_pg1,
1501 "NS to proxy entry",
1502 dst_ip=self.pg0._remote_hosts[2].ip6,
1503 tgt_ip=self.pg0.local_ip6)
1506 # ... and that we have an entry in the ND cache
1508 self.assertTrue(find_nbr(self,
1509 self.pg1.sw_if_index,
1510 self.pg0._remote_hosts[2].ip6))
1513 # ... and we can route traffic to it
1515 t = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
1516 IPv6(dst=self.pg0._remote_hosts[2].ip6,
1517 src=self.pg0.remote_ip6) /
1518 inet6.UDP(sport=10000, dport=20000) /
1521 self.pg0.add_stream(t)
1522 self.pg_enable_capture(self.pg_interfaces)
1524 rx = self.pg1.get_capture(1)
1527 self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
1528 self.assertEqual(rx[Ether].src, self.pg1.local_mac)
1530 self.assertEqual(rx[IPv6].src,
1532 self.assertEqual(rx[IPv6].dst,
1536 # Test we proxy for the host on the main interface
1538 ns_pg0 = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) /
1539 IPv6(dst=d, src=self.pg0.remote_ip6) /
1541 tgt=self.pg0._remote_hosts[2].ip6) /
1542 ICMPv6NDOptSrcLLAddr(
1543 lladdr=self.pg0.remote_mac))
1545 self.send_and_expect_na(self.pg0, ns_pg0,
1546 "NS to proxy entry on main",
1547 tgt_ip=self.pg0._remote_hosts[2].ip6,
1548 dst_ip=self.pg0.remote_ip6)
1551 # Setup and resolve proxy for another host on another interface
1553 ns_pg2 = (Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac) /
1555 src=self.pg0._remote_hosts[3].ip6) /
1556 ICMPv6ND_NS(tgt=self.pg0.local_ip6) /
1557 ICMPv6NDOptSrcLLAddr(
1558 lladdr=self.pg0._remote_hosts[2].mac))
1560 self.vapi.ip6nd_proxy_add_del(
1561 is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
1562 sw_if_index=self.pg2.sw_if_index)
1564 self.send_and_expect_na(self.pg2, ns_pg2,
1565 "NS to proxy entry other interface",
1566 dst_ip=self.pg0._remote_hosts[3].ip6,
1567 tgt_ip=self.pg0.local_ip6)
1569 self.assertTrue(find_nbr(self,
1570 self.pg2.sw_if_index,
1571 self.pg0._remote_hosts[3].ip6))
1574 # hosts can communicate. pg2->pg1
1576 t2 = (Ether(dst=self.pg2.local_mac,
1577 src=self.pg0.remote_hosts[3].mac) /
1578 IPv6(dst=self.pg0._remote_hosts[2].ip6,
1579 src=self.pg0._remote_hosts[3].ip6) /
1580 inet6.UDP(sport=10000, dport=20000) /
1583 self.pg2.add_stream(t2)
1584 self.pg_enable_capture(self.pg_interfaces)
1586 rx = self.pg1.get_capture(1)
1589 self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac)
1590 self.assertEqual(rx[Ether].src, self.pg1.local_mac)
1592 self.assertEqual(rx[IPv6].src,
1594 self.assertEqual(rx[IPv6].dst,
1598 # remove the proxy configs
1600 self.vapi.ip6nd_proxy_add_del(
1601 ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6),
1602 sw_if_index=self.pg1.sw_if_index, is_add=0)
1603 self.vapi.ip6nd_proxy_add_del(
1604 ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6),
1605 sw_if_index=self.pg2.sw_if_index, is_add=0)
1607 self.assertFalse(find_nbr(self,
1608 self.pg2.sw_if_index,
1609 self.pg0._remote_hosts[3].ip6))
1610 self.assertFalse(find_nbr(self,
1611 self.pg1.sw_if_index,
1612 self.pg0._remote_hosts[2].ip6))
1615 # no longer proxy-ing...
1617 self.send_and_assert_no_replies(self.pg0, ns_pg0, "Proxy unconfigured")
1618 self.send_and_assert_no_replies(self.pg1, ns_pg1, "Proxy unconfigured")
1619 self.send_and_assert_no_replies(self.pg2, ns_pg2, "Proxy unconfigured")
1622 # no longer forwarding. traffic generates NS out of the glean/main
1625 self.pg2.add_stream(t2)
1626 self.pg_enable_capture(self.pg_interfaces)
1629 rx = self.pg0.get_capture(1)
1631 self.assertTrue(rx[0].haslayer(ICMPv6ND_NS))
1634 class TestIPNull(VppTestCase):
1635 """ IPv6 routes via NULL """
1638 def setUpClass(cls):
1639 super(TestIPNull, cls).setUpClass()
1642 def tearDownClass(cls):
1643 super(TestIPNull, cls).tearDownClass()
1646 super(TestIPNull, self).setUp()
1648 # create 2 pg interfaces
1649 self.create_pg_interfaces(range(1))
1651 for i in self.pg_interfaces:
1657 super(TestIPNull, self).tearDown()
1658 for i in self.pg_interfaces:
1662 def test_ip_null(self):
1663 """ IP NULL route """
1665 p = (Ether(src=self.pg0.remote_mac,
1666 dst=self.pg0.local_mac) /
1667 IPv6(src=self.pg0.remote_ip6, dst="2001::1") /
1668 inet6.UDP(sport=1234, dport=1234) /
1672 # A route via IP NULL that will reply with ICMP unreachables
1674 ip_unreach = VppIpRoute(
1676 [VppRoutePath("::", 0xffffffff,
1677 type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH)])
1678 ip_unreach.add_vpp_config()
1680 self.pg0.add_stream(p)
1681 self.pg_enable_capture(self.pg_interfaces)
1684 rx = self.pg0.get_capture(1)
1686 icmp = rx[ICMPv6DestUnreach]
1688 # 0 = "No route to destination"
1689 self.assertEqual(icmp.code, 0)
1691 # ICMP is rate limited. pause a bit
1695 # A route via IP NULL that will reply with ICMP prohibited
1697 ip_prohibit = VppIpRoute(
1698 self, "2001::1", 128,
1699 [VppRoutePath("::", 0xffffffff,
1700 type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT)])
1701 ip_prohibit.add_vpp_config()
1703 self.pg0.add_stream(p)
1704 self.pg_enable_capture(self.pg_interfaces)
1707 rx = self.pg0.get_capture(1)
1709 icmp = rx[ICMPv6DestUnreach]
1711 # 1 = "Communication with destination administratively prohibited"
1712 self.assertEqual(icmp.code, 1)
1715 class TestIPDisabled(VppTestCase):
1716 """ IPv6 disabled """
1719 def setUpClass(cls):
1720 super(TestIPDisabled, cls).setUpClass()
1723 def tearDownClass(cls):
1724 super(TestIPDisabled, cls).tearDownClass()
1727 super(TestIPDisabled, self).setUp()
1729 # create 2 pg interfaces
1730 self.create_pg_interfaces(range(2))
1734 self.pg0.config_ip6()
1735 self.pg0.resolve_ndp()
1737 # PG 1 is not IP enabled
1741 super(TestIPDisabled, self).tearDown()
1742 for i in self.pg_interfaces:
1746 def test_ip_disabled(self):
1751 # one accepting interface, pg0, 2 forwarding interfaces
1753 route_ff_01 = VppIpMRoute(
1757 MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
1758 [VppMRoutePath(self.pg1.sw_if_index,
1759 MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
1760 VppMRoutePath(self.pg0.sw_if_index,
1761 MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
1762 route_ff_01.add_vpp_config()
1764 pu = (Ether(src=self.pg1.remote_mac,
1765 dst=self.pg1.local_mac) /
1766 IPv6(src="2001::1", dst=self.pg0.remote_ip6) /
1767 inet6.UDP(sport=1234, dport=1234) /
1769 pm = (Ether(src=self.pg1.remote_mac,
1770 dst=self.pg1.local_mac) /
1771 IPv6(src="2001::1", dst="ffef::1") /
1772 inet6.UDP(sport=1234, dport=1234) /
1776 # PG1 does not forward IP traffic
1778 self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled")
1779 self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled")
1784 self.pg1.config_ip6()
1787 # Now we get packets through
1789 self.pg1.add_stream(pu)
1790 self.pg_enable_capture(self.pg_interfaces)
1792 rx = self.pg0.get_capture(1)
1794 self.pg1.add_stream(pm)
1795 self.pg_enable_capture(self.pg_interfaces)
1797 rx = self.pg0.get_capture(1)
1802 self.pg1.unconfig_ip6()
1805 # PG1 does not forward IP traffic
1807 self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled")
1808 self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled")
1811 class TestIP6LoadBalance(VppTestCase):
1812 """ IPv6 Load-Balancing """
1815 def setUpClass(cls):
1816 super(TestIP6LoadBalance, cls).setUpClass()
1819 def tearDownClass(cls):
1820 super(TestIP6LoadBalance, cls).tearDownClass()
1823 super(TestIP6LoadBalance, self).setUp()
1825 self.create_pg_interfaces(range(5))
1827 mpls_tbl = VppMplsTable(self, 0)
1828 mpls_tbl.add_vpp_config()
1830 for i in self.pg_interfaces:
1837 for i in self.pg_interfaces:
1841 super(TestIP6LoadBalance, self).tearDown()
1843 def pg_send(self, input, pkts):
1844 self.vapi.cli("clear trace")
1845 input.add_stream(pkts)
1846 self.pg_enable_capture(self.pg_interfaces)
1849 def send_and_expect_load_balancing(self, input, pkts, outputs):
1850 self.pg_send(input, pkts)
1852 rx = oo._get_capture(1)
1853 self.assertNotEqual(0, len(rx))
1855 def send_and_expect_one_itf(self, input, pkts, itf):
1856 self.pg_send(input, pkts)
1857 rx = itf.get_capture(len(pkts))
1859 def test_ip6_load_balance(self):
1860 """ IPv6 Load-Balancing """
1863 # An array of packets that differ only in the destination port
1867 # - MPLS non-EOS with an entropy label
1871 port_mpls_neos_pkts = []
1875 # An array of packets that differ only in the source address
1880 for ii in range(NUM_PKTS):
1882 IPv6(dst="3000::1", src="3000:1::1") /
1883 inet6.UDP(sport=1234, dport=1234 + ii) /
1885 port_ip_pkts.append((Ether(src=self.pg0.remote_mac,
1886 dst=self.pg0.local_mac) /
1888 port_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
1889 dst=self.pg0.local_mac) /
1890 MPLS(label=66, ttl=2) /
1892 port_mpls_neos_pkts.append((Ether(src=self.pg0.remote_mac,
1893 dst=self.pg0.local_mac) /
1894 MPLS(label=67, ttl=2) /
1895 MPLS(label=77, ttl=2) /
1897 port_ent_pkts.append((Ether(src=self.pg0.remote_mac,
1898 dst=self.pg0.local_mac) /
1899 MPLS(label=67, ttl=2) /
1900 MPLS(label=14, ttl=2) /
1901 MPLS(label=999, ttl=2) /
1904 IPv6(dst="3000::1", src="3000:1::%d" % ii) /
1905 inet6.UDP(sport=1234, dport=1234) /
1907 src_ip_pkts.append((Ether(src=self.pg0.remote_mac,
1908 dst=self.pg0.local_mac) /
1910 src_mpls_pkts.append((Ether(src=self.pg0.remote_mac,
1911 dst=self.pg0.local_mac) /
1912 MPLS(label=66, ttl=2) /
1916 # A route for the IP packets
1918 route_3000_1 = VppIpRoute(self, "3000::1", 128,
1919 [VppRoutePath(self.pg1.remote_ip6,
1920 self.pg1.sw_if_index),
1921 VppRoutePath(self.pg2.remote_ip6,
1922 self.pg2.sw_if_index)])
1923 route_3000_1.add_vpp_config()
1926 # a local-label for the EOS packets
1928 binding = VppMplsIpBind(self, 66, "3000::1", 128, is_ip6=1)
1929 binding.add_vpp_config()
1932 # An MPLS route for the non-EOS packets
1934 route_67 = VppMplsRoute(self, 67, 0,
1935 [VppRoutePath(self.pg1.remote_ip6,
1936 self.pg1.sw_if_index,
1938 VppRoutePath(self.pg2.remote_ip6,
1939 self.pg2.sw_if_index,
1941 route_67.add_vpp_config()
1944 # inject the packet on pg0 - expect load-balancing across the 2 paths
1945 # - since the default hash config is to use IP src,dst and port
1947 # We are not going to ensure equal amounts of packets across each link,
1948 # since the hash algorithm is statistical and therefore this can never
1949 # be guaranteed. But with 64 different packets we do expect some
1950 # balancing. So instead just ensure there is traffic on each link.
1952 self.send_and_expect_load_balancing(self.pg0, port_ip_pkts,
1953 [self.pg1, self.pg2])
1954 self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
1955 [self.pg1, self.pg2])
1956 self.send_and_expect_load_balancing(self.pg0, port_mpls_pkts,
1957 [self.pg1, self.pg2])
1958 self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
1959 [self.pg1, self.pg2])
1960 self.send_and_expect_load_balancing(self.pg0, port_mpls_neos_pkts,
1961 [self.pg1, self.pg2])
1964 # The packets with Entropy label in should not load-balance,
1965 # since the Entropy value is fixed.
1967 self.send_and_expect_one_itf(self.pg0, port_ent_pkts, self.pg1)
1970 # change the flow hash config so it's only IP src,dst
1971 # - now only the stream with differing source address will
1974 self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, sport=0, dport=0,
1977 self.send_and_expect_load_balancing(self.pg0, src_ip_pkts,
1978 [self.pg1, self.pg2])
1979 self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
1980 [self.pg1, self.pg2])
1981 self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2)
1984 # change the flow hash config back to defaults
1986 self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, sport=1, dport=1,
1990 # Recursive prefixes
1991 # - testing that 2 stages of load-balancing occurs and there is no
1992 # polarisation (i.e. only 2 of 4 paths are used)
1997 for ii in range(257):
1998 port_pkts.append((Ether(src=self.pg0.remote_mac,
1999 dst=self.pg0.local_mac) /
2002 inet6.UDP(sport=1234,
2004 Raw(b'\xa5' * 100)))
2005 src_pkts.append((Ether(src=self.pg0.remote_mac,
2006 dst=self.pg0.local_mac) /
2008 src="4000:1::%d" % ii) /
2009 inet6.UDP(sport=1234, dport=1234) /
2010 Raw(b'\xa5' * 100)))
2012 route_3000_2 = VppIpRoute(self, "3000::2", 128,
2013 [VppRoutePath(self.pg3.remote_ip6,
2014 self.pg3.sw_if_index),
2015 VppRoutePath(self.pg4.remote_ip6,
2016 self.pg4.sw_if_index)])
2017 route_3000_2.add_vpp_config()
2019 route_4000_1 = VppIpRoute(self, "4000::1", 128,
2020 [VppRoutePath("3000::1",
2022 VppRoutePath("3000::2",
2024 route_4000_1.add_vpp_config()
2027 # inject the packet on pg0 - expect load-balancing across all 4 paths
2029 self.vapi.cli("clear trace")
2030 self.send_and_expect_load_balancing(self.pg0, port_pkts,
2031 [self.pg1, self.pg2,
2032 self.pg3, self.pg4])
2033 self.send_and_expect_load_balancing(self.pg0, src_pkts,
2034 [self.pg1, self.pg2,
2035 self.pg3, self.pg4])
2038 # Recursive prefixes
2039 # - testing that 2 stages of load-balancing no choices
2043 for ii in range(257):
2044 port_pkts.append((Ether(src=self.pg0.remote_mac,
2045 dst=self.pg0.local_mac) /
2048 inet6.UDP(sport=1234,
2050 Raw(b'\xa5' * 100)))
2052 route_5000_2 = VppIpRoute(self, "5000::2", 128,
2053 [VppRoutePath(self.pg3.remote_ip6,
2054 self.pg3.sw_if_index)])
2055 route_5000_2.add_vpp_config()
2057 route_6000_1 = VppIpRoute(self, "6000::1", 128,
2058 [VppRoutePath("5000::2",
2060 route_6000_1.add_vpp_config()
2063 # inject the packet on pg0 - expect load-balancing across all 4 paths
2065 self.vapi.cli("clear trace")
2066 self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3)
2069 class TestIP6Punt(VppTestCase):
2070 """ IPv6 Punt Police/Redirect """
2073 def setUpClass(cls):
2074 super(TestIP6Punt, cls).setUpClass()
2077 def tearDownClass(cls):
2078 super(TestIP6Punt, cls).tearDownClass()
2081 super(TestIP6Punt, self).setUp()
2083 self.create_pg_interfaces(range(4))
2085 for i in self.pg_interfaces:
2091 super(TestIP6Punt, self).tearDown()
2092 for i in self.pg_interfaces:
2096 def test_ip_punt(self):
2097 """ IP6 punt police and redirect """
2099 p = (Ether(src=self.pg0.remote_mac,
2100 dst=self.pg0.local_mac) /
2101 IPv6(src=self.pg0.remote_ip6,
2102 dst=self.pg0.local_ip6) /
2103 inet6.TCP(sport=1234, dport=1234) /
2109 # Configure a punt redirect via pg1.
2111 nh_addr = self.pg1.remote_ip6
2112 self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
2113 self.pg1.sw_if_index,
2116 self.send_and_expect(self.pg0, pkts, self.pg1)
2121 policer = self.vapi.policer_add_del(b"ip6-punt", 400, 0, 10, 0,
2123 self.vapi.ip_punt_police(policer.policer_index, is_ip6=1)
2125 self.vapi.cli("clear trace")
2126 self.pg0.add_stream(pkts)
2127 self.pg_enable_capture(self.pg_interfaces)
2131 # the number of packet received should be greater than 0,
2132 # but not equal to the number sent, since some were policed
2134 rx = self.pg1._get_capture(1)
2135 self.assertGreater(len(rx), 0)
2136 self.assertLess(len(rx), len(pkts))
2139 # remove the policer. back to full rx
2141 self.vapi.ip_punt_police(policer.policer_index, is_add=0, is_ip6=1)
2142 self.vapi.policer_add_del(b"ip6-punt", 400, 0, 10, 0,
2143 rate_type=1, is_add=0)
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)