X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=3a9e88c2bf34609687648908b59813369facd450;hb=8c8acc027;hp=21d8025d583f13c9f5e52c1e8daedd850dbc4eb2;hpb=744902e306c5a1f00bf13bbe344c6616cc816f0e;p=vpp.git diff --git a/test/test_ip6.py b/test/test_ip6.py index 21d8025d583..3a9e88c2bf3 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1,29 +1,30 @@ #!/usr/bin/env python -import unittest import socket +import unittest + +import scapy.layers.inet6 as inet6 +from scapy.contrib.mpls import MPLS +from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \ + ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \ + ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \ + ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply +from scapy.layers.l2 import Ether, Dot1Q +from scapy.packet import Raw +from scapy.utils import inet_pton, inet_ntop +from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \ + in6_mactoifaceid +from six import moves from framework import VppTestCase, VppTestRunner from util import ppp, ip6_normalize -from vpp_sub_interface import VppSubInterface, VppDot1QSubint -from vpp_pg_interface import is_ipv6_misc +from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ - VppMplsRoute, DpoProto, VppMplsTable + VppMplsRoute, VppMplsTable, VppIpTable, VppIpAddress from vpp_neighbor import find_nbr, VppNeighbor - -from scapy.packet import Raw -from scapy.layers.l2 import Ether, Dot1Q -from scapy.layers.inet6 import IPv6, UDP, TCP, ICMPv6ND_NS, ICMPv6ND_RS, \ - ICMPv6ND_RA, ICMPv6NDOptSrcLLAddr, getmacbyip6, ICMPv6MRD_Solicitation, \ - ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \ - ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \ - ICMPv6TimeExceeded -from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \ - in6_mactoifaceid, in6_ismaddr -from scapy.utils import inet_pton, inet_ntop -from scapy.contrib.mpls import MPLS - +from vpp_pg_interface import is_ipv6_misc +from vpp_sub_interface import VppSubInterface, VppDot1QSubint AF_INET6 = socket.AF_INET6 @@ -73,7 +74,8 @@ class TestIPv6ND(VppTestCase): in6_ptop(dst_ip)) # and come from the target address - self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip)) + self.assertEqual( + in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip)) # Dest link-layer options should have the router's MAC dll = rx[ICMPv6NDOptDstLLAddr] @@ -91,14 +93,16 @@ class TestIPv6ND(VppTestCase): # the rx'd NS should be addressed to an mcast address # derived from the target address - self.assertEqual(in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip)) + self.assertEqual( + in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip)) # expect the tgt IP in the NS header ns = rx[ICMPv6ND_NS] self.assertEqual(in6_ptop(ns.tgt), in6_ptop(tgt_ip)) # packet is from the router's local address - self.assertEqual(in6_ptop(rx[IPv6].src), intf.local_ip6) + self.assertEqual( + in6_ptop(rx[IPv6].src), intf.local_ip6) # Src link-layer options should have the router's MAC sll = rx[ICMPv6NDOptSrcLLAddr] @@ -172,7 +176,6 @@ class TestIPv6(TestIPv6ND): :ivar list interfaces: pg interfaces and subinterfaces. :ivar dict flows: IPv4 packet flows in test. - :ivar list pg_if_packet_sizes: packet sizes in test. *TODO:* Create AD sub interface """ @@ -195,8 +198,7 @@ class TestIPv6(TestIPv6ND): self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if] # packet sizes - self.pg_if_packet_sizes = [64, 512, 1518, 9018] - self.sub_if_packet_sizes = [64, 512, 1518 + 4, 9018 + 4] + self.pg_if_packet_sizes = [64, 1500, 9020] self.interfaces = list(self.pg_interfaces) self.interfaces.extend(self.sub_interfaces) @@ -250,27 +252,46 @@ class TestIPv6(TestIPv6ND): (count, percent)) percent += 1 - def create_stream(self, src_if, packet_sizes): + def modify_packet(self, src_if, packet_size, pkt): + """Add load, set destination IP and extend packet to required packet + size for defined interface. + + :param VppInterface src_if: Interface to create packet for. + :param int packet_size: Required packet size. + :param Scapy pkt: Packet to be modified. + """ + dst_if_idx = packet_size / 10 % 2 + dst_if = self.flows[src_if][dst_if_idx] + info = self.create_packet_info(src_if, dst_if) + payload = self.info_to_payload(info) + p = pkt / Raw(payload) + p[IPv6].dst = dst_if.remote_ip6 + info.data = p.copy() + if isinstance(src_if, VppSubInterface): + p = src_if.add_dot1_layer(p) + self.extend_packet(p, packet_size) + + return p + + def create_stream(self, src_if): """Create input packet stream for defined interface. :param VppInterface src_if: Interface to create packet stream for. - :param list packet_sizes: Required packet sizes. """ - pkts = [] - for i in range(0, 257): - dst_if = self.flows[src_if][i % 2] - info = self.create_packet_info(src_if, dst_if) - payload = self.info_to_payload(info) - p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) / - UDP(sport=1234, dport=1234) / - Raw(payload)) - info.data = p.copy() - if isinstance(src_if, VppSubInterface): - p = src_if.add_dot1_layer(p) - size = packet_sizes[(i // 2) % len(packet_sizes)] - self.extend_packet(p, size) - pkts.append(p) + hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0 + pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / + IPv6(src=src_if.remote_ip6) / + inet6.UDP(sport=1234, dport=1234)) + + pkts = [self.modify_packet(src_if, i, pkt_tmpl) + for i in moves.range(self.pg_if_packet_sizes[0], + self.pg_if_packet_sizes[1], 10)] + pkts_b = [self.modify_packet(src_if, i, pkt_tmpl) + for i in moves.range(self.pg_if_packet_sizes[1] + hdr_ext, + self.pg_if_packet_sizes[2] + hdr_ext, + 50)] + pkts.extend(pkts_b) + return pkts def verify_capture(self, dst_if, capture): @@ -295,7 +316,7 @@ class TestIPv6(TestIPv6ND): self.assertTrue(Dot1Q not in packet) try: ip = packet[IPv6] - udp = packet[UDP] + udp = packet[inet6.UDP] payload_info = self.payload_to_info(str(packet[Raw])) packet_index = payload_info.index self.assertEqual(payload_info.dst, dst_sw_if_index) @@ -310,10 +331,14 @@ class TestIPv6(TestIPv6ND): self.assertEqual(packet_index, next_info.index) saved_packet = next_info.data # Check standard fields - self.assertEqual(ip.src, saved_packet[IPv6].src) - self.assertEqual(ip.dst, saved_packet[IPv6].dst) - self.assertEqual(udp.sport, saved_packet[UDP].sport) - self.assertEqual(udp.dport, saved_packet[UDP].dport) + self.assertEqual( + ip.src, saved_packet[IPv6].src) + self.assertEqual( + ip.dst, saved_packet[IPv6].dst) + self.assertEqual( + udp.sport, saved_packet[inet6.UDP].sport) + self.assertEqual( + udp.dport, saved_packet[inet6.UDP].dport) except: self.logger.error(ppp("Unexpected or invalid packet:", packet)) raise @@ -333,11 +358,11 @@ class TestIPv6(TestIPv6ND): - Send and verify received packets on each interface. """ - pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes) + pkts = self.create_stream(self.pg0) self.pg0.add_stream(pkts) for i in self.sub_interfaces: - pkts = self.create_stream(i, self.sub_if_packet_sizes) + pkts = self.create_stream(i) i.parent.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) @@ -368,7 +393,8 @@ class TestIPv6(TestIPv6ND): p = (Ether(dst=in6_getnsmac(nsma)) / IPv6(dst=d, src="2002::2") / ICMPv6ND_NS(tgt=self.pg0.local_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) pkts = [p] self.send_and_assert_no_replies( @@ -386,7 +412,8 @@ class TestIPv6(TestIPv6ND): p = (Ether(dst=in6_getnsmac(nsma)) / IPv6(dst=d, src=self.pg0.remote_ip6) / ICMPv6ND_NS(tgt=self.pg0.local_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) pkts = [p] self.send_and_assert_no_replies( @@ -402,7 +429,8 @@ class TestIPv6(TestIPv6ND): p = (Ether(dst=in6_getnsmac(nsma)) / IPv6(dst=d, src=self.pg0.remote_ip6) / ICMPv6ND_NS(tgt="fd::ffff") / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) pkts = [p] self.send_and_assert_no_replies(self.pg0, pkts, @@ -437,9 +465,11 @@ class TestIPv6(TestIPv6ND): # address # p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / - IPv6(dst=d, src=self.pg0._remote_hosts[2].ip6_ll) / + IPv6( + dst=d, src=self.pg0._remote_hosts[2].ip6_ll) / ICMPv6ND_NS(tgt=self.pg0.local_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) self.send_and_expect_na(self.pg0, p, "NS from link-local", @@ -463,9 +493,11 @@ class TestIPv6(TestIPv6ND): # An NS to the router's own Link-local # p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / - IPv6(dst=d, src=self.pg0._remote_hosts[3].ip6_ll) / + IPv6( + dst=d, src=self.pg0._remote_hosts[3].ip6_ll) / ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) self.send_and_expect_na(self.pg0, p, "NS to/from link-local", @@ -516,7 +548,7 @@ class TestIPv6(TestIPv6ND): src=self.pg0.remote_mac) / IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_hosts[1].ip6) / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw()) self.pg0.add_stream(p) @@ -587,7 +619,8 @@ class TestIPv6(TestIPv6ND): if not pi_opt: # the RA should not contain prefix information - self.assertFalse(ra.haslayer(ICMPv6NDOptPrefixInfo)) + self.assertFalse(ra.haslayer( + ICMPv6NDOptPrefixInfo)) else: raos = rx.getlayer(ICMPv6NDOptPrefixInfo, 1) @@ -596,14 +629,16 @@ class TestIPv6(TestIPv6ND): # nested classes, so a direct obj1=obj2 comparison always fails. # however, the getlayer(.., 2) does give one instnace. # so we cheat here and construct a new opt instnace for comparison - rd = ICMPv6NDOptPrefixInfo(prefixlen=raos.prefixlen, - prefix=raos.prefix, - L=raos.L, - A=raos.A) + rd = ICMPv6NDOptPrefixInfo( + prefixlen=raos.prefixlen, + prefix=raos.prefix, + L=raos.L, + A=raos.A) if type(pi_opt) is list: for ii in range(len(pi_opt)): self.assertEqual(pi_opt[ii], rd) - rd = rx.getlayer(ICMPv6NDOptPrefixInfo, ii+2) + rd = rx.getlayer( + ICMPv6NDOptPrefixInfo, ii + 2) else: self.assertEqual(pi_opt, raos) @@ -640,7 +675,8 @@ class TestIPv6(TestIPv6ND): # - expect an RA in return # p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) / + IPv6( + dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) / ICMPv6ND_RS()) pkts = [p] self.send_and_expect_ra(self.pg0, pkts, "Genuine RS") @@ -663,7 +699,8 @@ class TestIPv6(TestIPv6ND): # self.pg0.ip6_ra_config(send_unicast=1) p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IPv6(dst=self.pg0.local_ip6, src="2002::ffff") / + IPv6(dst=self.pg0.local_ip6, + src="2002::ffff") / ICMPv6ND_RS()) pkts = [p] self.send_and_assert_no_replies(self.pg0, pkts, @@ -723,10 +760,11 @@ class TestIPv6(TestIPv6ND): # # RAs should now contain the prefix information option # - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=1, - A=1) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=1, + A=1) self.pg0.ip6_ra_config(send_unicast=1) ll = mk_ll_addr(self.pg0.remote_mac) @@ -746,10 +784,11 @@ class TestIPv6(TestIPv6ND): self.pg0.local_ip6_prefix_len, off_link=1) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=0, - A=1) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=0, + A=1) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -766,10 +805,11 @@ class TestIPv6(TestIPv6ND): off_link=1, no_autoconfig=1) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=0, - A=0) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=0, + A=0) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -784,10 +824,11 @@ class TestIPv6(TestIPv6ND): self.pg0.ip6_ra_prefix(self.pg0.local_ip6n, self.pg0.local_ip6_prefix_len) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=1, - A=1) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=1, + A=1) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -804,10 +845,11 @@ class TestIPv6(TestIPv6ND): off_link=1, no_autoconfig=1) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=0, - A=0) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=0, + A=0) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -823,10 +865,11 @@ class TestIPv6(TestIPv6ND): self.pg0.local_ip6_prefix_len, use_default=1) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=1, - A=1) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=1, + A=1) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -842,14 +885,16 @@ class TestIPv6(TestIPv6ND): off_link=1, no_autoconfig=1) - opt = [ICMPv6NDOptPrefixInfo(prefixlen=self.pg0.local_ip6_prefix_len, - prefix=self.pg0.local_ip6, - L=1, - A=1), - ICMPv6NDOptPrefixInfo(prefixlen=self.pg1.local_ip6_prefix_len, - prefix=self.pg1.local_ip6, - L=0, - A=0)] + opt = [ICMPv6NDOptPrefixInfo( + prefixlen=self.pg0.local_ip6_prefix_len, + prefix=self.pg0.local_ip6, + L=1, + A=1), + ICMPv6NDOptPrefixInfo( + prefixlen=self.pg1.local_ip6_prefix_len, + prefix=self.pg1.local_ip6, + L=0, + A=0)] self.pg0.ip6_ra_config(send_unicast=1) ll = mk_ll_addr(self.pg0.remote_mac) @@ -869,10 +914,11 @@ class TestIPv6(TestIPv6ND): self.pg0.local_ip6_prefix_len, is_no=1) - opt = ICMPv6NDOptPrefixInfo(prefixlen=self.pg1.local_ip6_prefix_len, - prefix=self.pg1.local_ip6, - L=0, - A=0) + opt = ICMPv6NDOptPrefixInfo( + prefixlen=self.pg1.local_ip6_prefix_len, + prefix=self.pg1.local_ip6, + L=0, + A=0) self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, @@ -898,6 +944,71 @@ class TestIPv6(TestIPv6ND): self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0) +class TestICMPv6Echo(VppTestCase): + """ ICMPv6 Echo Test Case """ + + def setUp(self): + super(TestICMPv6Echo, self).setUp() + + # create 1 pg interface + self.create_pg_interfaces(range(1)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip6() + i.resolve_ndp() + + def tearDown(self): + super(TestICMPv6Echo, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip6() + i.ip6_disable() + i.admin_down() + + def test_icmpv6_echo(self): + """ VPP replies to ICMPv6 Echo Request + + Test scenario: + + - Receive ICMPv6 Echo Request message on pg0 interface. + - Check outgoing ICMPv6 Echo Reply message on pg0 interface. + """ + + icmpv6_id = 0xb + icmpv6_seq = 5 + icmpv6_data = '\x0a' * 18 + p_echo_request = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src=self.pg0.remote_ip6, + dst=self.pg0.local_ip6) / + ICMPv6EchoRequest( + id=icmpv6_id, + seq=icmpv6_seq, + data=icmpv6_data)) + + self.pg0.add_stream(p_echo_request) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture(1) + rx = rx[0] + ether = rx[Ether] + ipv6 = rx[IPv6] + icmpv6 = rx[ICMPv6EchoReply] + + self.assertEqual(ether.src, self.pg0.local_mac) + self.assertEqual(ether.dst, self.pg0.remote_mac) + + self.assertEqual(ipv6.src, self.pg0.local_ip6) + self.assertEqual(ipv6.dst, self.pg0.remote_ip6) + + self.assertEqual( + icmp6types[icmpv6.type], "Echo Reply") + self.assertEqual(icmpv6.id, icmpv6_id) + self.assertEqual(icmpv6.seq, icmpv6_seq) + self.assertEqual(icmpv6.data, icmpv6_data) + + class TestIPv6RD(TestIPv6ND): """ IPv6 Router Discovery Test Case """ @@ -935,17 +1046,21 @@ class TestIPv6RD(TestIPv6ND): rx_list = self.pg1.get_capture(count, timeout=3) self.assertEqual(len(rx_list), count) for packet in rx_list: - self.assertTrue(packet.haslayer(IPv6)) - self.assertTrue(packet[IPv6].haslayer(ICMPv6ND_RS)) + self.assertEqual(packet.haslayer(IPv6), 1) + self.assertEqual(packet[IPv6].haslayer( + ICMPv6ND_RS), 1) dst = ip6_normalize(packet[IPv6].dst) dst2 = ip6_normalize("ff02::2") self.assert_equal(dst, dst2) src = ip6_normalize(packet[IPv6].src) src2 = ip6_normalize(self.pg1.local_ip6_ll) self.assert_equal(src, src2) - self.assertTrue(packet[ICMPv6ND_RS].haslayer(ICMPv6NDOptSrcLLAddr)) - self.assert_equal(packet[ICMPv6NDOptSrcLLAddr].lladdr, - self.pg1.local_mac) + self.assertTrue( + bool(packet[ICMPv6ND_RS].haslayer( + ICMPv6NDOptSrcLLAddr))) + self.assert_equal( + packet[ICMPv6NDOptSrcLLAddr].lladdr, + self.pg1.local_mac) def verify_prefix_info(self, reported_prefix, prefix_option): prefix = socket.inet_pton(socket.AF_INET6, @@ -1081,7 +1196,8 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(0.1) # send RA - packet = (self.create_ra_packet(self.pg0) / ICMPv6NDOptPrefixInfo( + packet = (self.create_ra_packet( + self.pg0) / ICMPv6NDOptPrefixInfo( prefix="1::", prefixlen=64, validlifetime=2, @@ -1221,9 +1337,11 @@ class IPv6NDProxyTest(TestIPv6ND): # on the link that has the prefix configured # ns_pg1 = (Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac) / - IPv6(dst=d, src=self.pg0._remote_hosts[2].ip6) / + IPv6(dst=d, + src=self.pg0._remote_hosts[2].ip6) / ICMPv6ND_NS(tgt=self.pg0.local_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0._remote_hosts[2].mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0._remote_hosts[2].mac)) self.send_and_assert_no_replies(self.pg1, ns_pg1, "Off link NS") @@ -1256,7 +1374,7 @@ class IPv6NDProxyTest(TestIPv6ND): t = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / IPv6(dst=self.pg0._remote_hosts[2].ip6, src=self.pg0.remote_ip6) / - UDP(sport=10000, dport=20000) / + inet6.UDP(sport=10000, dport=20000) / Raw('\xa5' * 100)) self.pg0.add_stream(t) @@ -1268,16 +1386,20 @@ class IPv6NDProxyTest(TestIPv6ND): self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac) self.assertEqual(rx[Ether].src, self.pg1.local_mac) - self.assertEqual(rx[IPv6].src, t[IPv6].src) - self.assertEqual(rx[IPv6].dst, t[IPv6].dst) + self.assertEqual(rx[IPv6].src, + t[IPv6].src) + self.assertEqual(rx[IPv6].dst, + t[IPv6].dst) # # Test we proxy for the host on the main interface # ns_pg0 = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / IPv6(dst=d, src=self.pg0.remote_ip6) / - ICMPv6ND_NS(tgt=self.pg0._remote_hosts[2].ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) + ICMPv6ND_NS( + tgt=self.pg0._remote_hosts[2].ip6) / + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0.remote_mac)) self.send_and_expect_na(self.pg0, ns_pg0, "NS to proxy entry on main", @@ -1288,9 +1410,11 @@ class IPv6NDProxyTest(TestIPv6ND): # Setup and resolve proxy for another host on another interface # ns_pg2 = (Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac) / - IPv6(dst=d, src=self.pg0._remote_hosts[3].ip6) / + IPv6(dst=d, + src=self.pg0._remote_hosts[3].ip6) / ICMPv6ND_NS(tgt=self.pg0.local_ip6) / - ICMPv6NDOptSrcLLAddr(lladdr=self.pg0._remote_hosts[2].mac)) + ICMPv6NDOptSrcLLAddr( + lladdr=self.pg0._remote_hosts[2].mac)) self.vapi.ip6_nd_proxy( inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), @@ -1313,7 +1437,7 @@ class IPv6NDProxyTest(TestIPv6ND): src=self.pg0.remote_hosts[3].mac) / IPv6(dst=self.pg0._remote_hosts[2].ip6, src=self.pg0._remote_hosts[3].ip6) / - UDP(sport=10000, dport=20000) / + inet6.UDP(sport=10000, dport=20000) / Raw('\xa5' * 100)) self.pg2.add_stream(t2) @@ -1325,8 +1449,10 @@ class IPv6NDProxyTest(TestIPv6ND): self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac) self.assertEqual(rx[Ether].src, self.pg1.local_mac) - self.assertEqual(rx[IPv6].src, t2[IPv6].src) - self.assertEqual(rx[IPv6].dst, t2[IPv6].dst) + self.assertEqual(rx[IPv6].src, + t2[IPv6].src) + self.assertEqual(rx[IPv6].dst, + t2[IPv6].dst) # # remove the proxy configs @@ -1395,7 +1521,7 @@ class TestIPNull(VppTestCase): p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IPv6(src=self.pg0.remote_ip6, dst="2001::1") / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) # @@ -1482,12 +1608,12 @@ class TestIPDisabled(VppTestCase): pu = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) / IPv6(src="2001::1", dst=self.pg0.remote_ip6) / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pm = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) / IPv6(src="2001::1", dst="ffef::1") / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) # @@ -1588,9 +1714,10 @@ class TestIP6LoadBalance(VppTestCase): src_mpls_pkts = [] for ii in range(65): - port_ip_hdr = (IPv6(dst="3000::1", src="3000:1::1") / - UDP(sport=1234, dport=1234 + ii) / - Raw('\xa5' * 100)) + port_ip_hdr = ( + IPv6(dst="3000::1", src="3000:1::1") / + inet6.UDP(sport=1234, dport=1234 + ii) / + Raw('\xa5' * 100)) port_ip_pkts.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / port_ip_hdr)) @@ -1609,9 +1736,10 @@ class TestIP6LoadBalance(VppTestCase): MPLS(label=14, ttl=2) / MPLS(label=999, ttl=2) / port_ip_hdr)) - src_ip_hdr = (IPv6(dst="3000::1", src="3000:1::%d" % ii) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + src_ip_hdr = ( + IPv6(dst="3000::1", src="3000:1::%d" % ii) / + inet6.UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) src_ip_pkts.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / src_ip_hdr)) @@ -1708,13 +1836,16 @@ class TestIP6LoadBalance(VppTestCase): for ii in range(257): port_pkts.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(dst="4000::1", src="4000:1::1") / - UDP(sport=1234, dport=1234 + ii) / + IPv6(dst="4000::1", + src="4000:1::1") / + inet6.UDP(sport=1234, + dport=1234 + ii) / Raw('\xa5' * 100))) src_pkts.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(dst="4000::1", src="4000:1::%d" % ii) / - UDP(sport=1234, dport=1234) / + IPv6(dst="4000::1", + src="4000:1::%d" % ii) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100))) route_3000_2 = VppIpRoute(self, "3000::2", 128, @@ -1757,8 +1888,10 @@ class TestIP6LoadBalance(VppTestCase): for ii in range(257): port_pkts.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(dst="6000::1", src="6000:1::1") / - UDP(sport=1234, dport=1234 + ii) / + IPv6(dst="6000::1", + src="6000:1::1") / + inet6.UDP(sport=1234, + dport=1234 + ii) / Raw('\xa5' * 100))) route_5000_2 = VppIpRoute(self, "5000::2", 128, @@ -1788,7 +1921,7 @@ class TestIP6Punt(VppTestCase): def setUp(self): super(TestIP6Punt, self).setUp() - self.create_pg_interfaces(range(2)) + self.create_pg_interfaces(range(4)) for i in self.pg_interfaces: i.admin_up() @@ -1806,8 +1939,9 @@ class TestIP6Punt(VppTestCase): p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) / - TCP(sport=1234, dport=1234) / + IPv6(src=self.pg0.remote_ip6, + dst=self.pg0.local_ip6) / + inet6.TCP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkts = p * 1025 @@ -1815,12 +1949,10 @@ class TestIP6Punt(VppTestCase): # # Configure a punt redirect via pg1. # - nh_addr = inet_pton(AF_INET6, - self.pg1.remote_ip6) + nh_addr = VppIpAddress(self.pg1.remote_ip6).encode() self.vapi.ip_punt_redirect(self.pg0.sw_if_index, self.pg1.sw_if_index, - nh_addr, - is_ip6=1) + nh_addr) self.send_and_expect(self.pg0, pkts, self.pg1) @@ -1841,8 +1973,8 @@ class TestIP6Punt(VppTestCase): # but not equal to the number sent, since some were policed # rx = self.pg1._get_capture(1) - self.assertTrue(len(rx) > 0) - self.assertTrue(len(rx) < len(pkts)) + self.assertGreater(len(rx), 0) + self.assertLess(len(rx), len(pkts)) # # remove the poilcer. back to full rx @@ -1858,8 +1990,7 @@ class TestIP6Punt(VppTestCase): self.vapi.ip_punt_redirect(self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr, - is_add=0, - is_ip6=1) + is_add=0) self.send_and_assert_no_replies(self.pg0, pkts, "IP no punt config") @@ -1868,15 +1999,167 @@ class TestIP6Punt(VppTestCase): # self.vapi.ip_punt_redirect(0xffffffff, self.pg1.sw_if_index, - nh_addr, - is_ip6=1) + nh_addr) self.send_and_expect(self.pg0, pkts, self.pg1) self.vapi.ip_punt_redirect(0xffffffff, self.pg1.sw_if_index, nh_addr, - is_add=0, - is_ip6=1) + is_add=0) + + def test_ip_punt_dump(self): + """ IP6 punt redirect dump""" + + # + # Configure a punt redirects + # + nh_addr = VppIpAddress(self.pg3.remote_ip6).encode() + self.vapi.ip_punt_redirect(self.pg0.sw_if_index, + self.pg3.sw_if_index, + nh_addr) + self.vapi.ip_punt_redirect(self.pg1.sw_if_index, + self.pg3.sw_if_index, + nh_addr) + self.vapi.ip_punt_redirect(self.pg2.sw_if_index, + self.pg3.sw_if_index, + VppIpAddress('0::0').encode()) + + # + # Dump pg0 punt redirects + # + punts = self.vapi.ip_punt_redirect_dump(self.pg0.sw_if_index, + is_ipv6=1) + for p in punts: + self.assertEqual(p.punt.rx_sw_if_index, self.pg0.sw_if_index) + + # + # Dump punt redirects for all interfaces + # + punts = self.vapi.ip_punt_redirect_dump(0xffffffff, is_ipv6=1) + self.assertEqual(len(punts), 3) + for p in punts: + self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index) + self.assertNotEqual(punts[1].punt.nh.un.ip6, self.pg3.remote_ip6) + self.assertEqual(punts[2].punt.nh.un.ip6, '\x00'*16) + + +class TestIPDeag(VppTestCase): + """ IPv6 Deaggregate Routes """ + + def setUp(self): + super(TestIPDeag, self).setUp() + + self.create_pg_interfaces(range(3)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip6() + i.resolve_ndp() + + def tearDown(self): + super(TestIPDeag, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip6() + i.admin_down() + + def test_ip_deag(self): + """ IP Deag Routes """ + + # + # Create a table to be used for: + # 1 - another destination address lookup + # 2 - a source address lookup + # + table_dst = VppIpTable(self, 1, is_ip6=1) + table_src = VppIpTable(self, 2, is_ip6=1) + table_dst.add_vpp_config() + table_src.add_vpp_config() + + # + # Add a route in the default table to point to a deag/ + # second lookup in each of these tables + # + route_to_dst = VppIpRoute(self, "1::1", 128, + [VppRoutePath("::", + 0xffffffff, + nh_table_id=1, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + route_to_src = VppIpRoute(self, "1::2", 128, + [VppRoutePath("::", + 0xffffffff, + nh_table_id=2, + is_source_lookup=1, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + route_to_dst.add_vpp_config() + route_to_src.add_vpp_config() + + # + # packets to these destination are dropped, since they'll + # hit the respective default routes in the second table + # + p_dst = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src="5::5", dst="1::1") / + inet6.TCP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + p_src = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src="2::2", dst="1::2") / + inet6.TCP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + pkts_dst = p_dst * 257 + pkts_src = p_src * 257 + + self.send_and_assert_no_replies(self.pg0, pkts_dst, + "IP in dst table") + self.send_and_assert_no_replies(self.pg0, pkts_src, + "IP in src table") + + # + # add a route in the dst table to forward via pg1 + # + route_in_dst = VppIpRoute(self, "1::1", 128, + [VppRoutePath(self.pg1.remote_ip6, + self.pg1.sw_if_index, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1, + table_id=1) + route_in_dst.add_vpp_config() + + self.send_and_expect(self.pg0, pkts_dst, self.pg1) + + # + # add a route in the src table to forward via pg2 + # + route_in_src = VppIpRoute(self, "2::2", 128, + [VppRoutePath(self.pg2.remote_ip6, + self.pg2.sw_if_index, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1, + table_id=2) + route_in_src.add_vpp_config() + self.send_and_expect(self.pg0, pkts_src, self.pg2) + + # + # loop in the lookup DP + # + route_loop = VppIpRoute(self, "3::3", 128, + [VppRoutePath("::", + 0xffffffff, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + route_loop.add_vpp_config() + + p_l = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src="3::4", dst="3::3") / + inet6.TCP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + self.send_and_assert_no_replies(self.pg0, p_l * 257, + "IP lookup loop") class TestIP6Input(VppTestCase): @@ -1909,7 +2192,7 @@ class TestIP6Input(VppTestCase): IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6, version=3) / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, p_version * 65, @@ -1923,7 +2206,7 @@ class TestIP6Input(VppTestCase): IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6, hlim=1) / - UDP(sport=1234, dport=1234) / + inet6.UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) rx = self.send_and_expect(self.pg0, p_version * 65, self.pg0)