from template_bd import BridgeDomain
from scapy.layers.l2 import Ether
-from scapy.layers.inet6 import IPv6, UDP
+from scapy.packet import Raw
+from scapy.layers.inet6 import IP, IPv6, UDP
from scapy.layers.vxlan import VXLAN
-from scapy.utils import atol
+
+import util
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_vxlan_tunnel import VppVxlanTunnel
from vpp_ip import INVALID_INDEX
# Verify UDP destination port is VXLAN 4789, source UDP port could be
# arbitrary.
self.assertEqual(pkt[UDP].dport, type(self).dport)
- # TODO: checksum check
+ # Verify UDP checksum
+ self.assert_udp_checksum_valid(pkt, ignore_zero_checksum=False)
# Verify VNI
self.assertEqual(pkt[VXLAN].vni, vni)
for pg in cls.pg_interfaces:
pg.admin_up()
- # Configure IPv4 addresses on VPP pg0.
+ # Configure IPv6 addresses on VPP pg0.
cls.pg0.config_ip6()
# Resolve MAC address for VPP's IP address on pg0.
cls.pg0.resolve_ndp()
+ # Our Multicast address
cls.mcast_ip6 = 'ff0e::1'
- cls.mcast_ip6n = socket.inet_pton(socket.AF_INET6, cls.mcast_ip6)
- cls.mcast_mac = "33:33:00:00:00:%02x" % (1)
-
+ cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip6)
except Exception:
super(TestVxlan6, cls).tearDownClass()
raise
self.logger.info(self.vapi.cli("show bridge-domain 3 detail"))
self.logger.info(self.vapi.cli("show vxlan tunnel"))
+ def test_encap_fragmented_packet(self):
+ """ Encapsulation test send fragments from pg1
+ Verify receipt of encapsulated frames on pg0
+ """
+
+ frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') /
+ IP(src='4.3.2.1', dst='1.2.3.4') /
+ UDP(sport=20000, dport=10000) /
+ Raw(b'\xa5' * 1000))
+
+ frags = util.fragment_rfc791(frame, 400)
+
+ self.pg1.add_stream(frags)
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ out = self.pg0.get_capture(3)
+
+ payload = []
+ for pkt in out:
+ payload.append(self.decapsulate(pkt))
+ self.check_encapsulation(pkt, self.single_tunnel_vni)
+
+ reassembled = util.reassemble4(payload)
+
+ self.assertEqual(Ether(raw(frame))[IP], reassembled[IP])
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)