summaryrefslogtreecommitdiffstats
path: root/test/test_gre.py
diff options
context:
space:
mode:
authorNeale Ranns <nranns@cisco.com>2019-04-18 10:23:56 +0000
committerOle Trøan <otroan@employees.org>2019-12-04 22:45:11 +0000
commit5f8f6173328f8d77feea5fd100e150c3094c11f0 (patch)
tree16849c6e7619b227a93ce9846f344da2cc96ef2d /test/test_gre.py
parent79619c10142e15754e2f0b2ba26c20d415e7c36f (diff)
gre: Multi-point interfaces
Type: feature Change-Id: I0129ad6ace44a50a8a3b26db8e445cd06b2b49e8 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/test_gre.py')
-rw-r--r--test/test_gre.py80
1 files changed, 78 insertions, 2 deletions
diff --git a/test/test_gre.py b/test/test_gre.py
index 6828ac6f919..d3d12cc26bb 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -12,6 +12,7 @@ from scapy.volatile import RandMAC, RandIP
from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
from vpp_gre_interface import VppGreInterface
+from vpp_nhrp import VppNhrp
from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto
from util import ppp, ppc
@@ -79,7 +80,7 @@ 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()
@@ -94,6 +95,10 @@ class TestGRE(VppTestCase):
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:
@@ -701,7 +706,7 @@ class TestGRE(VppTestCase):
#
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()
@@ -968,6 +973,77 @@ class TestGRE(VppTestCase):
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)
+
+ #
+ # 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)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)