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-rw-r--r--test/test_ip6.py54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/test_ip6.py b/test/test_ip6.py
index ca153dba0e6..01a6d94288c 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -193,6 +193,22 @@ class TestIPv6ND(VppTestCase):
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):
@@ -430,6 +446,9 @@ class TestIPv6(TestIPv6ND):
- 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
#
@@ -447,6 +466,7 @@ class TestIPv6(TestIPv6ND):
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
@@ -485,6 +505,7 @@ class TestIPv6(TestIPv6ND):
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
@@ -525,6 +546,8 @@ class TestIPv6(TestIPv6ND):
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
@@ -574,6 +597,37 @@ class TestIPv6(TestIPv6ND):
)
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"""