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authorNeale Ranns <nranns@cisco.com>2018-09-19 04:55:32 -0700
committerOle Trøan <otroan@employees.org>2018-09-19 15:53:46 +0000
commit2646c80db8d3d1a3cd7555328d5a0038798f861e (patch)
tree52269f0ab8207676f719cc670576a5e4b13f86fd /test/test_gre.py
parenta2e212919c9a287681182bb5171e31d94e90d02e (diff)
GRE: fix 4o6 and 6o4 adj stacking
Change-Id: I13dc5eab8835c4f3b95906816d42dccfeee8b092 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/test_gre.py')
-rw-r--r--test/test_gre.py87
1 files changed, 87 insertions, 0 deletions
diff --git a/test/test_gre.py b/test/test_gre.py
index 4d40b3b64a1..df3d2b4d296 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -230,6 +230,60 @@ class TestGRE(VppTestCase):
self.logger.error(ppp("Tx:", tx))
raise
+ def verify_tunneled_4o6(self, src_if, capture, sent,
+ tunnel_src, tunnel_dst):
+
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ rx_ip = rx[IPv6]
+
+ self.assertEqual(rx_ip.src, tunnel_src)
+ self.assertEqual(rx_ip.dst, tunnel_dst)
+
+ rx_gre = GRE(str(rx_ip[IPv6].payload))
+ tx_ip = tx[IP]
+ rx_ip = rx_gre[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
+ def verify_tunneled_6o4(self, src_if, capture, sent,
+ tunnel_src, tunnel_dst):
+
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tunnel_src)
+ self.assertEqual(rx_ip.dst, tunnel_dst)
+
+ rx_gre = GRE(str(rx_ip[IP].payload))
+ rx_ip = rx_gre[IPv6]
+ tx_ip = tx[IPv6]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
def verify_tunneled_l2o4(self, src_if, capture, sent,
tunnel_src, tunnel_dst):
self.assertEqual(len(capture), len(sent))
@@ -503,10 +557,28 @@ class TestGRE(VppTestCase):
self.verify_decapped_6o4(self.pg0, rx, tx)
#
+ # Send v6 packets for v4 encap
+ #
+ route6_via_tun = VppIpRoute(
+ self, "2001::1", 128,
+ [VppRoutePath("::",
+ gre_if.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route6_via_tun.add_vpp_config()
+
+ tx = self.create_stream_ip6(self.pg0, "2001::2", "2001::1")
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
+
+ self.verify_tunneled_6o4(self.pg0, rx, tx,
+ self.pg0.local_ip4, "1.1.1.2")
+
+ #
# test case cleanup
#
route_tun_dst.remove_vpp_config()
route_via_tun.remove_vpp_config()
+ route6_via_tun.remove_vpp_config()
gre_if.remove_vpp_config()
self.pg0.unconfig_ip6()
@@ -602,10 +674,25 @@ class TestGRE(VppTestCase):
self.assertEqual(rx[0][IPv6].dst, self.pg1.remote_ip6)
#
+ # Send v4 over v6
+ #
+ route4_via_tun = VppIpRoute(self, "1.1.1.1", 32,
+ [VppRoutePath("0.0.0.0",
+ gre_if.sw_if_index)])
+ route4_via_tun.add_vpp_config()
+
+ tx = self.create_stream_ip4(self.pg0, "1.1.1.2", "1.1.1.1")
+ rx = self.send_and_expect(self.pg0, tx, self.pg2)
+
+ self.verify_tunneled_4o6(self.pg0, rx, tx,
+ self.pg2.local_ip6, "1002::1")
+
+ #
# test case cleanup
#
route_tun_dst.remove_vpp_config()
route_via_tun.remove_vpp_config()
+ route4_via_tun.remove_vpp_config()
gre_if.remove_vpp_config()
self.pg2.unconfig_ip6()