diff options
Diffstat (limited to 'test/test_ip6.py')
| -rw-r--r-- | test/test_ip6.py | 116 |
1 files changed, 113 insertions, 3 deletions
diff --git a/test/test_ip6.py b/test/test_ip6.py index 68b077c1f8f..70ebc36dcc0 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1,9 +1,10 @@ #!/usr/bin/env python import unittest -from socket import AF_INET6 +import socket 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_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ @@ -18,14 +19,15 @@ from scapy.layers.inet6 import IPv6, UDP, TCP, ICMPv6ND_NS, ICMPv6ND_RS, \ ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \ ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \ ICMPv6TimeExceeded - -from util import ppp 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 +AF_INET6 = socket.AF_INET6 + + def mk_ll_addr(mac): euid = in6_mactoifaceid(mac) addr = "fe80::" + euid @@ -895,6 +897,114 @@ class TestIPv6(TestIPv6ND): self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0) +class TestIPv6RD(TestIPv6ND): + """ IPv6 Router Discovery Test Case """ + + @classmethod + def setUpClass(cls): + super(TestIPv6RD, cls).setUpClass() + + def setUp(self): + super(TestIPv6RD, self).setUp() + + # create 2 pg interfaces + self.create_pg_interfaces(range(2)) + + self.interfaces = list(self.pg_interfaces) + + # setup all interfaces + for i in self.interfaces: + i.admin_up() + i.config_ip6() + + def tearDown(self): + super(TestIPv6RD, self).tearDown() + + def test_rd_send_router_solicitation(self): + """ Verify router solicitation packets """ + + count = 2 + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index, + mrc=count) + 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)) + 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) + + def verify_prefix_info(self, reported_prefix, prefix_option): + prefix = socket.inet_pton(socket.AF_INET6, + prefix_option.getfieldval("prefix")) + self.assert_equal(reported_prefix.dst_address, prefix) + self.assert_equal(reported_prefix.dst_address_length, + prefix_option.getfieldval("prefixlen")) + L = prefix_option.getfieldval("L") + A = prefix_option.getfieldval("A") + option_flags = (L << 7) | (A << 6) + self.assert_equal(reported_prefix.flags, option_flags) + self.assert_equal(reported_prefix.valid_time, + prefix_option.getfieldval("validlifetime")) + self.assert_equal(reported_prefix.preferred_time, + prefix_option.getfieldval("preferredlifetime")) + + def test_rd_receive_router_advertisement(self): + """ Verify events triggered by received RA packets """ + + self.vapi.want_ip6_ra_events() + + prefix_info_1 = ICMPv6NDOptPrefixInfo( + prefix="1::2", + prefixlen=50, + validlifetime=200, + preferredlifetime=500, + L=1, + A=1, + ) + + prefix_info_2 = ICMPv6NDOptPrefixInfo( + prefix="7::4", + prefixlen=20, + validlifetime=70, + preferredlifetime=1000, + L=1, + A=0, + ) + + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IPv6(dst=self.pg1.local_ip6_ll, + src=mk_ll_addr(self.pg1.remote_mac)) / + ICMPv6ND_RA() / + prefix_info_1 / + prefix_info_2) + self.pg1.add_stream([p]) + self.pg_start() + + ev = self.vapi.wait_for_event(10, "ip6_ra_event") + + self.assert_equal(ev.current_hop_limit, 0) + self.assert_equal(ev.flags, 8) + self.assert_equal(ev.router_lifetime_in_sec, 1800) + self.assert_equal(ev.neighbor_reachable_time_in_msec, 0) + self.assert_equal( + ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0) + + self.assert_equal(ev.n_prefixes, 2) + + self.verify_prefix_info(ev.prefixes[0], prefix_info_1) + self.verify_prefix_info(ev.prefixes[1], prefix_info_2) + + class IPv6NDProxyTest(TestIPv6ND): """ IPv6 ND ProxyTest Case """ |