self.assertEqual(ip.src, sip)
self.assertEqual(ip.dst, dip)
+ def get_ip6_nd_rx_requests(self, itf):
+ """Get IP6 ND RX request stats for and interface"""
+ return self.statistics["/net/ip6-nd/rx/requests"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_tx_requests(self, itf):
+ """Get IP6 ND TX request stats for and interface"""
+ return self.statistics["/net/ip6-nd/tx/requests"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_rx_replies(self, itf):
+ """Get IP6 ND RX replies stats for and interface"""
+ return self.statistics["/net/ip6-nd/rx/replies"][:, itf.sw_if_index].sum()
+
+ def get_ip6_nd_tx_replies(self, itf):
+ """Get IP6 ND TX replies stats for and interface"""
+ return self.statistics["/net/ip6-nd/tx/replies"][:, itf.sw_if_index].sum()
+
@tag_run_solo
class TestIPv6(TestIPv6ND):
def tearDown(self):
"""Run standard test teardown and log ``show ip6 neighbors``."""
- for i in self.interfaces:
+ for i in reversed(self.interfaces):
i.unconfig_ip6()
i.admin_down()
for i in self.sub_interfaces:
- Send NS for a target address the router does not onn.
"""
+ n_rx_req_pg0 = self.get_ip6_nd_rx_requests(self.pg0)
+ n_tx_rep_pg0 = self.get_ip6_nd_tx_replies(self.pg0)
+
#
# An NS from a non link source address
#
self.send_and_assert_no_replies(
self.pg0, pkts, "No response to NS source by address not on sub-net"
)
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 1)
#
# An NS for sent to a solicited mcast group the router is
self.send_and_assert_no_replies(
self.pg0, pkts, "No response to NS for unknown target"
)
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 2)
#
# A neighbor entry that has no associated FIB-entry
dst_ip=self.pg0._remote_hosts[2].ip6_ll,
tgt_ip=self.pg0.local_ip6,
)
+ self.assert_equal(self.get_ip6_nd_rx_requests(self.pg0), n_rx_req_pg0 + 3)
+ self.assert_equal(self.get_ip6_nd_tx_replies(self.pg0), n_tx_rep_pg0 + 1)
#
# we should have learned an ND entry for the peer's link-local
)
self.assertFalse(find_route(self, self.pg0._remote_hosts[3].ip6_ll, 128))
+ def test_nd_incomplete(self):
+ """IP6-ND Incomplete"""
+ self.pg1.generate_remote_hosts(3)
+
+ p0 = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_hosts[1].ip6)
+ / UDP(sport=1234, dport=1234)
+ / Raw()
+ )
+
+ #
+ # a packet to an unresolved destination generates an ND request
+ #
+ n_tx_req_pg1 = self.get_ip6_nd_tx_requests(self.pg1)
+ self.send_and_expect_ns(self.pg0, self.pg1, p0, self.pg1.remote_hosts[1].ip6)
+ self.assert_equal(self.get_ip6_nd_tx_requests(self.pg1), n_tx_req_pg1 + 1)
+
+ #
+ # a reply to the request
+ #
+ self.assert_equal(self.get_ip6_nd_rx_replies(self.pg1), 0)
+ na = (
+ Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ / IPv6(dst=self.pg1.local_ip6, src=self.pg1.remote_hosts[1].ip6)
+ / ICMPv6ND_NA(tgt=self.pg1.remote_hosts[1].ip6)
+ / ICMPv6NDOptSrcLLAddr(lladdr=self.pg1.remote_hosts[1].mac)
+ )
+ self.send_and_assert_no_replies(self.pg1, [na])
+ self.assert_equal(self.get_ip6_nd_rx_replies(self.pg1), 1)
+
def test_ns_duplicates(self):
"""ND Duplicates"""
rx = rx[0]
self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt)
+ def test_ip6_ra_dump(self):
+ """IPv6 RA dump"""
+
+ # Dump IPv6 RA for all interfaces
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(sw_if_index=0xFFFFFFFF)
+ self.assertEqual(len(ip6_ra_dump), len(self.interfaces))
+
+ for ip6_ra in ip6_ra_dump:
+ self.assertFalse(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 0)
+ self.assertEqual(len(ip6_ra.prefixes), 0)
+ self.assertEqual(ip6_ra.last_radv_time, 0.0)
+ self.assertEqual(ip6_ra.last_multicast_time, 0.0)
+ self.assertEqual(ip6_ra.next_multicast_time, 0.0)
+ self.assertEqual(ip6_ra.n_advertisements_sent, 0)
+ self.assertEqual(ip6_ra.n_solicitations_rcvd, 0)
+ self.assertEqual(ip6_ra.n_solicitations_dropped, 0)
+
+ # Enable sending IPv6 RA for an interface
+ self.pg0.ip6_ra_config(no=1, suppress=1)
+
+ # Add IPv6 RA prefixes for the interface
+ pfx0 = IPv6Network(
+ "%s/%s" % (self.pg0.local_ip6, self.pg0.local_ip6_prefix_len), strict=False
+ )
+ pfx1 = IPv6Network("fafa::/96")
+ self.pg0.ip6_ra_prefix(pfx0, off_link=0, no_autoconfig=0)
+ self.pg0.ip6_ra_prefix(pfx1, off_link=1, no_autoconfig=1)
+
+ # Wait for multicast IPv6 RA
+ self.sleep(1)
+
+ # Dump IPv6 RA for the interface
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(
+ sw_if_index=self.pg0.sw_if_index
+ )
+ self.assertEqual(len(ip6_ra_dump), 1)
+ ip6_ra = ip6_ra_dump[0]
+
+ self.assertEqual(ip6_ra.sw_if_index, self.pg0.sw_if_index)
+ self.assertTrue(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 2)
+ self.assertEqual(len(ip6_ra.prefixes), 2)
+ self.assertEqual(ip6_ra.last_radv_time, 0.0)
+ self.assertGreater(ip6_ra.last_multicast_time, 0.0)
+ self.assertGreater(ip6_ra.next_multicast_time, 0.0)
+ self.assertGreater(ip6_ra.n_advertisements_sent, 0)
+ self.assertEqual(ip6_ra.n_solicitations_rcvd, 0)
+ self.assertEqual(ip6_ra.n_solicitations_dropped, 0)
+
+ self.assertEqual(ip6_ra.prefixes[0].prefix, pfx0)
+ self.assertTrue(ip6_ra.prefixes[0].onlink_flag)
+ self.assertTrue(ip6_ra.prefixes[0].autonomous_flag)
+ self.assertFalse(ip6_ra.prefixes[0].no_advertise)
+
+ self.assertEqual(ip6_ra.prefixes[1].prefix, pfx1)
+ self.assertFalse(ip6_ra.prefixes[1].onlink_flag)
+ self.assertFalse(ip6_ra.prefixes[1].autonomous_flag)
+ self.assertFalse(ip6_ra.prefixes[1].no_advertise)
+
+ # Reset sending IPv6 RA for the interface
+ self.pg0.ip6_ra_config(suppress=1)
+
+ # Remove IPv6 RA prefixes for the interface
+ self.pg0.ip6_ra_prefix(pfx0, is_no=1)
+ self.pg0.ip6_ra_prefix(pfx1, is_no=1)
+
+ # Dump IPv6 RA for the interface
+ ip6_ra_dump = self.vapi.sw_interface_ip6nd_ra_dump(
+ sw_if_index=self.pg0.sw_if_index
+ )
+ self.assertEqual(len(ip6_ra_dump), 1)
+ ip6_ra = ip6_ra_dump[0]
+
+ self.assertEqual(ip6_ra.sw_if_index, self.pg0.sw_if_index)
+ self.assertFalse(ip6_ra.send_radv)
+ self.assertEqual(ip6_ra.n_prefixes, 0)
+ self.assertEqual(len(ip6_ra.prefixes), 0)
+
def test_rs(self):
"""IPv6 Router Solicitation Exceptions
self.pg_start()
subitf = VppDot1QSubint(self, self.pg1, 99)
+ self.interfaces.append(subitf)
+ self.sub_interfaces.append(subitf)
subitf.admin_up()
subitf.config_ip6()
Code Review / vpp.git / blobdiff