X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=63d3e41f915d1783c2a530599ecbd8963687101c;hb=61717cc38;hp=205bea65863b6b009faad1ef2bd417a4cdf33027;hpb=5d4b8912d2fe186b4fb920a72b3a2f7b556f4e7d;p=vpp.git diff --git a/test/test_ip6.py b/test/test_ip6.py index 205bea65863..63d3e41f915 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1,5 +1,6 @@ #!/usr/bin/env python3 +import socket from socket import inet_pton, inet_ntop import unittest @@ -10,7 +11,8 @@ 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, IPv6ExtHdrHopByHop + ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply, \ + IPv6ExtHdrHopByHop, ICMPv6MLReport2, ICMPv6MLDMultAddrRec from scapy.layers.l2 import Ether, Dot1Q from scapy.packet import Raw from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \ @@ -27,6 +29,7 @@ from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ from vpp_neighbor import find_nbr, VppNeighbor from vpp_pg_interface import is_ipv6_misc from vpp_sub_interface import VppSubInterface, VppDot1QSubint +from vpp_policer import VppPolicer from ipaddress import IPv6Network, IPv6Address AF_INET6 = socket.AF_INET6 @@ -137,6 +140,7 @@ class TestIPv6ND(VppTestCase): def send_and_expect_ns(self, tx_intf, rx_intf, pkts, tgt_ip, filter_out_fn=is_ipv6_misc): + self.vapi.cli("clear trace") tx_intf.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -221,7 +225,6 @@ class TestIPv6(TestIPv6ND): """Run standard test teardown and log ``show ip6 neighbors``.""" for i in self.interfaces: i.unconfig_ip6() - i.ip6_disable() i.admin_down() for i in self.sub_interfaces: i.remove_vpp_config() @@ -577,9 +580,12 @@ class TestIPv6(TestIPv6ND): self.pg0.remote_ip6, self.pg1.remote_hosts[1].ip6) - def validate_ra(self, intf, rx, dst_ip=None, mtu=9000, pi_opt=None): + def validate_ra(self, intf, rx, dst_ip=None, src_ip=None, + mtu=9000, pi_opt=None): if not dst_ip: dst_ip = intf.remote_ip6 + if not src_ip: + src_ip = mk_ll_addr(intf.local_mac) # unicasted packets must come to the unicast mac self.assertEqual(rx[Ether].dst, intf.remote_mac) @@ -594,8 +600,7 @@ class TestIPv6(TestIPv6ND): # and come from the router's link local self.assertTrue(in6_islladdr(rx[IPv6].src)) - self.assertEqual(in6_ptop(rx[IPv6].src), - in6_ptop(mk_ll_addr(intf.local_mac))) + self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(src_ip)) # it should contain the links MTU ra = rx[ICMPv6ND_RA] @@ -634,7 +639,9 @@ class TestIPv6(TestIPv6ND): def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None, filter_out_fn=is_ipv6_misc, - opt=None): + opt=None, + src_ip=None): + self.vapi.cli("clear trace") intf.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -642,7 +649,7 @@ class TestIPv6(TestIPv6ND): self.assertEqual(len(rx), 1) rx = rx[0] - self.validate_ra(intf, rx, dst_ip, pi_opt=opt) + self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt) def test_rs(self): """ IPv6 Router Solicitation Exceptions @@ -665,8 +672,7 @@ 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") @@ -924,16 +930,53 @@ class TestIPv6(TestIPv6ND): self.pg1.local_ip6_prefix_len), is_no=1) + # + # change the link's link local, so we know that works too. + # + self.vapi.sw_interface_ip6_set_link_local_address( + sw_if_index=self.pg0.sw_if_index, + ip="fe80::88") + self.pg0.ip6_ra_config(send_unicast=1) self.send_and_expect_ra(self.pg0, p, "RA with Prefix reverted to defaults", - dst_ip=ll) + dst_ip=ll, + src_ip="fe80::88") # # Reset the periodic advertisements back to default values # self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0) + def test_mld(self): + """ MLD Report """ + # + # test one MLD is sent after applying an IPv6 Address on an interface + # + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + subitf = VppDot1QSubint(self, self.pg1, 99) + + subitf.admin_up() + subitf.config_ip6() + + rxs = self.pg1._get_capture(timeout=4, filter_out_fn=None) + + # + # hunt for the MLD on vlan 99 + # + for rx in rxs: + # make sure ipv6 packets with hop by hop options have + # correct checksums + self.assert_packet_checksums_valid(rx) + if rx.haslayer(IPv6ExtHdrHopByHop) and \ + rx.haslayer(Dot1Q) and \ + rx[Dot1Q].vlan == 99: + mld = rx[ICMPv6MLReport2] + + self.assertEqual(mld.records_number, 4) + class TestIPv6IfAddrRoute(VppTestCase): """ IPv6 Interface Addr Route Test Case """ @@ -1034,7 +1077,6 @@ class TestICMPv6Echo(VppTestCase): super(TestICMPv6Echo, self).tearDown() for i in self.pg_interfaces: i.unconfig_ip6() - i.ip6_disable() i.admin_down() def test_icmpv6_echo(self): @@ -1158,7 +1200,7 @@ class TestIPv6RD(TestIPv6ND): def test_rd_receive_router_advertisement(self): """ Verify events triggered by received RA packets """ - self.vapi.want_ip6_ra_events() + self.vapi.want_ip6_ra_events(enable=1) prefix_info_1 = ICMPv6NDOptPrefixInfo( prefix="1::2", @@ -1264,6 +1306,17 @@ class TestIPv6RDControlPlane(TestIPv6ND): list.append(str(entry.route.prefix.network_address)) return list + def wait_for_no_default_route(self, n_tries=50, s_time=1): + while (n_tries): + fib = self.vapi.ip_route_dump(0, True) + default_routes = self.get_default_routes(fib) + if 0 == len(default_routes): + return True + n_tries = n_tries - 1 + self.sleep(s_time) + + return False + def test_all(self): """ Test handling of SLAAC addresses and default routes """ @@ -1363,9 +1416,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep_on_vpp_time(1) # check that default route is deleted - fib = self.vapi.ip_route_dump(0, True) - default_routes = self.get_default_routes(fib) - self.assertEqual(len(default_routes), 0) + self.assertTrue(self.wait_for_no_default_route()) # check FIB still contains the SLAAC address addresses = set(self.get_interface_addresses(fib, self.pg0)) @@ -1442,7 +1493,7 @@ class IPv6NDProxyTest(TestIPv6ND): # Add proxy support for the host # self.vapi.ip6nd_proxy_add_del( - ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6), + is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6), sw_if_index=self.pg1.sw_if_index) # @@ -1509,7 +1560,7 @@ class IPv6NDProxyTest(TestIPv6ND): lladdr=self.pg0._remote_hosts[2].mac)) self.vapi.ip6nd_proxy_add_del( - ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), + is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), sw_if_index=self.pg2.sw_if_index) self.send_and_expect_na(self.pg2, ns_pg2, @@ -1550,10 +1601,10 @@ class IPv6NDProxyTest(TestIPv6ND): # self.vapi.ip6nd_proxy_add_del( ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6), - sw_if_index=self.pg1.sw_if_index, is_del=1) + sw_if_index=self.pg1.sw_if_index, is_add=0) self.vapi.ip6nd_proxy_add_del( ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), - sw_if_index=self.pg2.sw_if_index, is_del=1) + sw_if_index=self.pg2.sw_if_index, is_add=0) self.assertFalse(find_nbr(self, self.pg2.sw_if_index, @@ -2069,8 +2120,8 @@ class TestIP6Punt(VppTestCase): # # add a policer # - policer = self.vapi.policer_add_del(b"ip6-punt", 400, 0, 10, 0, - rate_type=1) + policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1) + policer.add_vpp_config() self.vapi.ip_punt_police(policer.policer_index, is_ip6=1) self.vapi.cli("clear trace") @@ -2090,8 +2141,7 @@ class TestIP6Punt(VppTestCase): # remove the policer. back to full rx # self.vapi.ip_punt_police(policer.policer_index, is_add=0, is_ip6=1) - self.vapi.policer_add_del(b"ip6-punt", 400, 0, 10, 0, - rate_type=1, is_add=0) + policer.remove_vpp_config() self.send_and_expect(self.pg0, pkts, self.pg1) #