X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=c92ebb5852a900e1e16ef25ea9fe3fd4886d0bdc;hb=7784140f2bd2d5ae44f2be1507ac25f102006155;hp=f5904d9a3bdf012fbb97010627848652a476dfd1;hpb=cbe25aab3be72154f2c706c39eeba6a77f34450f;p=vpp.git diff --git a/test/test_ip6.py b/test/test_ip6.py index f5904d9a3bd..c92ebb5852a 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, \ @@ -23,10 +25,12 @@ from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ VppMplsRoute, VppMplsTable, VppIpTable, FibPathType, FibPathProto, \ - VppIpInterfaceAddress, find_route_in_dump, find_mroute_in_dump + VppIpInterfaceAddress, find_route_in_dump, find_mroute_in_dump, \ + VppIp6LinkLocalAddress 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 @@ -945,6 +949,35 @@ class TestIPv6(TestIPv6ND): # 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 """ @@ -1278,7 +1311,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): while (n_tries): fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) - if 0 is len(default_routes): + if 0 == len(default_routes): return True n_tries = n_tries - 1 self.sleep(s_time) @@ -2088,8 +2121,8 @@ 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") @@ -2109,8 +2142,7 @@ 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) # @@ -2411,7 +2443,6 @@ class TestIPReplace(VppTestCase): for i in self.pg_interfaces: i.admin_up() i.config_ip6() - i.resolve_arp() i.generate_remote_hosts(2) self.tables.append(VppIpTable(self, table_id, True).add_vpp_config()) @@ -2421,7 +2452,7 @@ class TestIPReplace(VppTestCase): super(TestIPReplace, self).tearDown() for i in self.pg_interfaces: i.admin_down() - i.unconfig_ip4() + i.unconfig_ip6() def test_replace(self): """ IP Table Replace """ @@ -2529,5 +2560,254 @@ class TestIPReplace(VppTestCase): self.assertEqual(len(t.mdump()), 5) +class TestIP6Replace(VppTestCase): + """ IPv4 Interface Address Replace """ + + @classmethod + def setUpClass(cls): + super(TestIP6Replace, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIP6Replace, cls).tearDownClass() + + def setUp(self): + super(TestIP6Replace, self).setUp() + + self.create_pg_interfaces(range(4)) + + for i in self.pg_interfaces: + i.admin_up() + + def tearDown(self): + super(TestIP6Replace, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + + def get_n_pfxs(self, intf): + return len(self.vapi.ip_address_dump(intf.sw_if_index, True)) + + def test_replace(self): + """ IP interface address replace """ + + intf_pfxs = [[], [], [], []] + + # add prefixes to each of the interfaces + for i in range(len(self.pg_interfaces)): + intf = self.pg_interfaces[i] + + # 2001:16:x::1/64 + addr = "2001:16:%d::1" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() + intf_pfxs[i].append(a) + + # 2001:16:x::2/64 - a different address in the same subnet as above + addr = "2001:16:%d::2" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() + intf_pfxs[i].append(a) + + # 2001:15:x::2/64 - a different address and subnet + addr = "2001:15:%d::2" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() + intf_pfxs[i].append(a) + + # a dump should n_address in it + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # remove all the address thru a replace + # + self.vapi.sw_interface_address_replace_begin() + self.vapi.sw_interface_address_replace_end() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add all the interface addresses back + # + for p in intf_pfxs: + for v in p: + v.add_vpp_config() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # replace again, but this time update/re-add the address on the first + # two interfaces + # + self.vapi.sw_interface_address_replace_begin() + + for p in intf_pfxs[:2]: + for v in p: + v.add_vpp_config() + + self.vapi.sw_interface_address_replace_end() + + # on the first two the address still exist, + # on the other two they do not + for intf in self.pg_interfaces[:2]: + self.assertEqual(self.get_n_pfxs(intf), 3) + for p in intf_pfxs[:2]: + for v in p: + self.assertTrue(v.query_vpp_config()) + for intf in self.pg_interfaces[2:]: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add all the interface addresses back on the last two + # + for p in intf_pfxs[2:]: + for v in p: + v.add_vpp_config() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # replace again, this time add different prefixes on all the interfaces + # + self.vapi.sw_interface_address_replace_begin() + + pfxs = [] + for intf in self.pg_interfaces: + # 2001:18:x::1/64 + addr = "2001:18:%d::1" % intf.sw_if_index + pfxs.append(VppIpInterfaceAddress(self, intf, addr, + 64).add_vpp_config()) + + self.vapi.sw_interface_address_replace_end() + + # only .18 should exist on each interface + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 1) + for pfx in pfxs: + self.assertTrue(pfx.query_vpp_config()) + + # + # remove everything + # + self.vapi.sw_interface_address_replace_begin() + self.vapi.sw_interface_address_replace_end() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add prefixes to each interface. post-begin add the prefix from + # interface X onto interface Y. this would normally be an error + # since it would generate a 'duplicate address' warning. but in + # this case, since what is newly downloaded is sane, it's ok + # + for intf in self.pg_interfaces: + # 2001:18:x::1/64 + addr = "2001:18:%d::1" % intf.sw_if_index + VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() + + self.vapi.sw_interface_address_replace_begin() + + pfxs = [] + for intf in self.pg_interfaces: + # 2001:18:x::1/64 + addr = "2001:18:%d::1" % (intf.sw_if_index + 1) + pfxs.append(VppIpInterfaceAddress(self, intf, + addr, 64).add_vpp_config()) + + self.vapi.sw_interface_address_replace_end() + + self.logger.info(self.vapi.cli("sh int addr")) + + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 1) + for pfx in pfxs: + self.assertTrue(pfx.query_vpp_config()) + + +class TestIP6LinkLocal(VppTestCase): + """ IPv6 Link Local """ + + @classmethod + def setUpClass(cls): + super(TestIP6LinkLocal, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIP6LinkLocal, cls).tearDownClass() + + def setUp(self): + super(TestIP6LinkLocal, self).setUp() + + self.create_pg_interfaces(range(2)) + + for i in self.pg_interfaces: + i.admin_up() + + def tearDown(self): + super(TestIP6LinkLocal, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + + def test_ip6_ll(self): + """ IPv6 Link Local """ + + # + # two APIs to add a link local address. + # 1 - just like any other prefix + # 2 - with the special set LL API + # + + # + # First with the API to set a 'normal' prefix + # + ll1 = "fe80:1::1" + ll2 = "fe80:2::2" + ll3 = "fe80:3::3" + + VppIpInterfaceAddress(self, self.pg0, ll1, 128).add_vpp_config() + + # + # should be able to ping the ll + # + p_echo_request_1 = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src=ll2, + dst=ll1) / + ICMPv6EchoRequest()) + + self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0) + + # + # change the link-local on pg0 + # + v_ll3 = VppIpInterfaceAddress(self, self.pg0, + ll3, 128).add_vpp_config() + + p_echo_request_3 = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src=ll2, + dst=ll3) / + ICMPv6EchoRequest()) + + self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0) + + # + # set a normal v6 prefix on the link + # + self.pg0.config_ip6() + + self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0) + + # the link-local cannot be removed + with self.vapi.assert_negative_api_retval(): + v_ll3.remove_vpp_config() + + # + # Use the specific link-local API on pg1 + # + VppIp6LinkLocalAddress(self, self.pg1, ll1).add_vpp_config() + self.send_and_expect(self.pg1, [p_echo_request_1], self.pg1) + + VppIp6LinkLocalAddress(self, self.pg1, ll3).add_vpp_config() + self.send_and_expect(self.pg1, [p_echo_request_3], self.pg1) + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)