from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import VppDot1QSubint
from vpp_gre_interface import VppGreInterface, VppGre6Interface
-from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
from vpp_papi_provider import L2_VTR_OP
from scapy.packet import Raw
from util import ppp, ppc
+class GreTunnelTypes:
+ TT_L3 = 0
+ TT_TEB = 1
+ TT_ERSPAN = 2
+
+
class TestGRE(VppTestCase):
""" GRE Test Case """
# create 3 pg interfaces - set one in a non-default table.
self.create_pg_interfaces(range(3))
+
+ self.tbl = VppIpTable(self, 1)
+ self.tbl.add_vpp_config()
self.pg1.set_table_ip4(1)
for i in self.pg_interfaces:
self.pg2.resolve_ndp()
def tearDown(self):
- super(TestGRE, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
i.admin_down()
+ self.pg1.set_table_ip4(0)
+ super(TestGRE, self).tearDown()
def create_stream_ip4(self, src_if, src_ip, dst_ip):
pkts = []
def test_gre6(self):
""" GRE IPv6 tunnel Tests """
+ self.pg1.config_ip6()
+ self.pg1.resolve_ndp()
+
#
# Create an L3 GRE tunnel.
# - set it admin up
self.verify_tunneled_6o6(self.pg2, rx, tx,
self.pg2.local_ip6, "1002::1")
+ #
+ # Test decap. decapped packets go out pg1
+ #
+ tx = self.create_tunnel_stream_6o6(self.pg2,
+ "1002::1",
+ self.pg2.local_ip6,
+ "2001::1",
+ self.pg1.remote_ip6)
+ self.vapi.cli("clear trace")
+ self.pg2.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ rx = self.pg1.get_capture(len(tx))
+
+ #
+ # RX'd packet is UDP over IPv6, test the GRE header is gone.
+ #
+ self.assertFalse(rx[0].haslayer(GRE))
+ self.assertEqual(rx[0][IPv6].dst, self.pg1.remote_ip6)
+
#
# test case cleanup
#
gre_if.remove_vpp_config()
self.pg2.unconfig_ip6()
+ self.pg1.unconfig_ip6()
def test_gre_vrf(self):
""" GRE tunnel VRF Tests """
rx = self.pg0.get_capture(len(tx))
self.verify_decapped_4o4(self.pg0, rx, tx)
+ #
+ # Send tunneled packets that match the created tunnel and
+ # but arrive on an interface that is not in the tunnel's
+ # encap VRF, these are dropped
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_tunnel_stream_4o4(self.pg2,
+ "2.2.2.2",
+ self.pg1.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+ self.pg1.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.pg0.assert_nothing_captured(
+ remark="GRE decap packets in wrong VRF")
+
#
# test case cleanup
#
#
gre_if1 = VppGreInterface(self, self.pg0.local_ip4,
"2.2.2.2",
- is_teb=1)
+ type=GreTunnelTypes.TT_TEB)
gre_if2 = VppGreInterface(self, self.pg0.local_ip4,
"2.2.2.3",
- is_teb=1)
+ type=GreTunnelTypes.TT_TEB)
gre_if1.add_vpp_config()
gre_if2.add_vpp_config()