-#!/usr/bin/env python
+#!/usr/bin/env python3
import socket
-from util import ip4_range, ip4_range
+from util import ip4_range
import unittest
from framework import VppTestCase, VppTestRunner
from template_bd import BridgeDomain
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
-from scapy.layers.geneve import GENEVE
-from scapy.utils import atol
+from scapy.layers.l2 import Ether, ARP
+from scapy.layers.inet import IP, UDP, ICMP
+from scapy.contrib.geneve import GENEVE
+
+import util
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_ip import INVALID_INDEX
ip_range_end = ip_range_start + n_distinct_dst_tunnels
for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start,
ip_range_end):
- vni = bytearray(dest_ip4)[3]
+ vni = int(dest_ip4.split('.')[3])
cls.vapi.geneve_add_del_tunnel(local_address=cls.pg0.local_ip4,
remote_address=dest_ip4,
mcast_sw_if_index=1, is_add=is_add,
# Our Multicast address
cls.mcast_ip4 = '239.1.1.1'
- iplong = atol(cls.mcast_ip4)
- cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % (
- (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF)
+ cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4)
# Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1
# into BD.
+ cls.single_tunnel_vni = 0xabcde
cls.single_tunnel_bd = 1
r = cls.vapi.geneve_add_del_tunnel(
local_address=cls.pg0.local_ip4,
- remote_address=cls.pg0.remote_ip4, vni=cls.single_tunnel_bd)
+ remote_address=cls.pg0.remote_ip4, vni=cls.single_tunnel_vni)
cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
bd_id=cls.single_tunnel_bd)
cls.vapi.sw_interface_set_l2_bridge(
self.logger.info(self.vapi.cli("show geneve tunnel"))
+class TestGeneveL3(VppTestCase):
+ """ GENEVE L3 Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestGeneveL3, cls).setUpClass()
+ try:
+ cls.create_pg_interfaces(range(2))
+ cls.interfaces = list(cls.pg_interfaces)
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+ except Exception:
+ super(TestGeneveL3, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestGeneveL3, cls).tearDownClass()
+
+ def tearDown(self):
+ super(TestGeneveL3, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show geneve tunnel"))
+ self.logger.info(self.vapi.cli("show ip neighbor"))
+
+ def test_l3_packet(self):
+ vni = 1234
+ r = self.vapi.add_node_next(node_name="geneve4-input",
+ next_name="ethernet-input")
+ r = self.vapi.geneve_add_del_tunnel2(
+ is_add=1,
+ local_address=self.pg0.local_ip4,
+ remote_address=self.pg0.remote_ip4,
+ vni=vni,
+ l3_mode=1,
+ decap_next_index=r.next_index)
+
+ self.vapi.sw_interface_add_del_address(
+ sw_if_index=r.sw_if_index, prefix="10.0.0.1/24")
+
+ pkt = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") /
+ IP(src='10.0.0.2', dst='10.0.0.1') /
+ ICMP())
+
+ encap = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ UDP(sport=6081, dport=6081, chksum=0) /
+ GENEVE(vni=vni))
+
+ arp = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") /
+ ARP(op="is-at", hwsrc=self.pg0.remote_mac,
+ hwdst="d0:0b:ee:d0:00:00", psrc="10.0.0.2",
+ pdst="10.0.0.1"))
+
+ rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0)
+ rx = self.send_and_assert_no_replies(self.pg0, encap/arp*1, self.pg0)
+ rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0)
+ self.assertEqual(rx[0][ICMP].type, 0) # echo reply
+
+ r = self.vapi.geneve_add_del_tunnel2(
+ is_add=0,
+ local_address=self.pg0.local_ip4,
+ remote_address=self.pg0.remote_ip4,
+ vni=vni)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)