-#!/usr/bin/env python
+#!/usr/bin/env python3
import unittest
from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
-from vpp_gre_interface import VppGreInterface, VppGre6Interface
+from vpp_gre_interface import VppGreInterface
+from vpp_nhrp import VppNhrp
from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto
from util import ppp, ppc
+from vpp_papi import VppEnum
-class GreTunnelTypes:
- TT_L3 = 0
- TT_TEB = 1
- TT_ERSPAN = 2
+class TestGREInputNodes(VppTestCase):
+ """ GRE Input Nodes Test Case """
+
+ def setUp(self):
+ super(TestGREInputNodes, self).setUp()
+
+ # create 3 pg interfaces - set one in a non-default table.
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.admin_down()
+ super(TestGREInputNodes, self).tearDown()
+
+ def test_gre_input_node(self):
+ """ GRE gre input nodes not registerd unless configured """
+ pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ GRE())
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+ # no tunnel created, gre-input not registered
+ err = self.statistics.get_counter(
+ '/err/ip4-input/unknown ip protocol')[0]
+ self.assertEqual(err, 1)
+ err_count = err
+
+ # create gre tunnel
+ gre_if = VppGreInterface(self, self.pg0.local_ip4, "1.1.1.2")
+ gre_if.add_vpp_config()
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+ # tunnel created, gre-input registered
+ err = self.statistics.get_counter(
+ '/err/ip4-input/unknown ip protocol')[0]
+ # expect no new errors
+ self.assertEqual(err, err_count)
class TestGRE(VppTestCase):
super(TestGRE, self).setUp()
# create 3 pg interfaces - set one in a non-default table.
- self.create_pg_interfaces(range(3))
+ self.create_pg_interfaces(range(5))
self.tbl = VppIpTable(self, 1)
self.tbl.add_vpp_config()
self.pg1.resolve_arp()
self.pg2.config_ip6()
self.pg2.resolve_ndp()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
def tearDown(self):
for i in self.pg_interfaces:
self, "2001::1", 128,
[VppRoutePath("::",
gre_if.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ proto=DpoProto.DPO_PROTO_IP6)])
route6_via_tun.add_vpp_config()
tx = self.create_stream_ip6(self.pg0, "2001::2", "2001::1")
# - assign an IP Address
# - Add a route via the tunnel
#
- gre_if = VppGre6Interface(self,
- self.pg2.local_ip6,
- "1002::1")
+ gre_if = VppGreInterface(self,
+ self.pg2.local_ip6,
+ "1002::1")
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip6()
- route_via_tun = VppIpRoute(
- self, "4004::1", 128,
- [VppRoutePath("0::0",
- gre_if.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_via_tun = VppIpRoute(self, "4004::1", 128,
+ [VppRoutePath("0::0",
+ gre_if.sw_if_index)])
route_via_tun.add_vpp_config()
#
# Add a route that resolves the tunnel's destination
#
- route_tun_dst = VppIpRoute(
- self, "1002::1", 128,
- [VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ route_tun_dst = VppIpRoute(self, "1002::1", 128,
+ [VppRoutePath(self.pg2.remote_ip6,
+ self.pg2.sw_if_index)])
route_tun_dst.add_vpp_config()
#
#
gre_if = VppGreInterface(self, self.pg1.local_ip4,
"2.2.2.2",
- outer_fib_id=1)
+ outer_table_id=1)
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip4()
#
gre_if1 = VppGreInterface(self, self.pg0.local_ip4,
"2.2.2.2",
- type=GreTunnelTypes.TT_TEB)
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_TEB))
gre_if2 = VppGreInterface(self, self.pg0.local_ip4,
"2.2.2.3",
- type=GreTunnelTypes.TT_TEB)
+ type=(VppEnum.vl_api_gre_tunnel_type_t.
+ GRE_API_TUNNEL_TYPE_TEB))
gre_if1.add_vpp_config()
gre_if2.add_vpp_config()
route_via_tun_2.remove_vpp_config()
gre_if.remove_vpp_config()
+ def test_mgre(self):
+ """ mGRE IPv4 tunnel Tests """
+
+ for itf in self.pg_interfaces[3:]:
+ #
+ # one underlay nh for each overlay/tunnel peer
+ #
+ itf.generate_remote_hosts(4)
+ itf.configure_ipv4_neighbors()
+
+ #
+ # Create an L3 GRE tunnel.
+ # - set it admin up
+ # - assign an IP Addres
+ # - Add a route via the tunnel
+ #
+ gre_if = VppGreInterface(self,
+ itf.local_ip4,
+ "0.0.0.0",
+ mode=(VppEnum.vl_api_gre_tunnel_mode_t.
+ GRE_API_TUNNEL_MODE_MP))
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+ gre_if.config_ip4()
+ gre_if.generate_remote_hosts(4)
+
+ self.logger.info(self.vapi.cli("sh adj"))
+ self.logger.info(self.vapi.cli("sh ip fib"))
+
+ #
+ # for-each peer
+ #
+ for ii in range(1, 4):
+ route_addr = "4.4.4.%d" % ii
+
+ #
+ # route traffic via the peer
+ #
+ route_via_tun = VppIpRoute(
+ self, route_addr, 32,
+ [VppRoutePath(gre_if._remote_hosts[ii].ip4,
+ gre_if.sw_if_index)])
+ route_via_tun.add_vpp_config()
+
+ #
+ # Add a NHRP entry resolves the peer
+ #
+ nhrp = VppNhrp(self, gre_if,
+ gre_if._remote_hosts[ii].ip4,
+ itf._remote_hosts[ii].ip4)
+ nhrp.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - packets are GRE encapped
+ #
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", route_addr)
+ rx = self.send_and_expect(self.pg0, tx, itf)
+ self.verify_tunneled_4o4(self.pg0, rx, tx,
+ itf.local_ip4,
+ gre_if._remote_hosts[ii].ip4)
+
+ #
+ # delete and re-add the NHRP
+ #
+ nhrp.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, tx)
+
+ nhrp.add_vpp_config()
+ rx = self.send_and_expect(self.pg0, tx, itf)
+ self.verify_tunneled_4o4(self.pg0, rx, tx,
+ itf.local_ip4,
+ gre_if._remote_hosts[ii].ip4)
+
+ gre_if.admin_down()
+ gre_if.unconfig_ip4()
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff