#!/usr/bin/env python
import socket
-from util import ip4n_range, ip4_range
+from util import ip4n_range, ip4_range, reassemble4
import unittest
from framework import VppTestCase, VppTestRunner
from template_bd import BridgeDomain
from scapy.layers.vxlan import VXLAN
from scapy.utils import atol
-import StringIO
-
-
-def reassemble(listoffragments):
- buffer = StringIO.StringIO()
- first = listoffragments[0]
- buffer.seek(20)
- for pkt in listoffragments:
- buffer.seek(pkt[IP].frag*8)
- buffer.write(pkt[IP].payload)
- first.len = len(buffer.getvalue()) + 20
- first.flags = 0
- del(first.chksum)
- header = str(first[IP])[:20]
- return first[IP].__class__(header + buffer.getvalue())
-
class TestVxlan(BridgeDomain, VppTestCase):
""" VXLAN Test Case """
for dest_ip4n in ip4n_range(next_hop_address, ip_range_start,
ip_range_end):
# add host route so dest_ip4n will not be resolved
- cls.vapi.ip_add_del_route(dest_ip4n, 32, next_hop_address)
- r = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=dest_ip4n,
- vni=vni)
- cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni)
+ cls.vapi.ip_add_del_route(dst_address=dest_ip4n,
+ dst_address_length=32,
+ next_hop_address=next_hop_address)
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=dest_ip4n, vni=vni)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+ bd_id=vni)
@classmethod
def add_del_shared_mcast_dst_load(cls, is_add):
vni_start = 10000
vni_end = vni_start + n_shared_dst_tunnels
for vni in range(vni_start, vni_end):
- r = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=cls.mcast_ip4n,
- mcast_sw_if_index=1,
- vni=vni,
- is_add=is_add)
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=cls.mcast_ip4n,
+ mcast_sw_if_index=1,
+ is_add=is_add, vni=vni)
if r.sw_if_index == 0xffffffff:
- raise "bad sw_if_index"
+ raise ValueError("bad sw_if_index: ~0")
@classmethod
def add_shared_mcast_dst_load(cls):
for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
ip_range_end):
vni = bytearray(dest_ip4n)[3]
- cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=dest_ip4n,
- mcast_sw_if_index=1,
- vni=vni,
- is_add=is_add)
+ cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=dest_ip4n,
+ mcast_sw_if_index=1, is_add=is_add,
+ vni=vni)
@classmethod
def add_mcast_tunnels_load(cls):
# Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
# into BD.
cls.single_tunnel_bd = 1
- r = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=cls.pg0.remote_ip4n,
- vni=cls.single_tunnel_bd)
- cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index,
- bd_id=cls.single_tunnel_bd)
- cls.vapi.sw_interface_set_l2_bridge(cls.pg1.sw_if_index,
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=cls.pg0.remote_ip4n,
+ vni=cls.single_tunnel_bd)
+ 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(
+ rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd)
# Setup vni 2 to test multicast flooding
cls.n_ucast_tunnels = 10
cls.mcast_flood_bd = 2
cls.create_vxlan_flood_test_bd(cls.mcast_flood_bd,
cls.n_ucast_tunnels)
- r = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=cls.mcast_ip4n,
- mcast_sw_if_index=1,
- vni=cls.mcast_flood_bd)
- cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index,
- bd_id=cls.mcast_flood_bd)
- cls.vapi.sw_interface_set_l2_bridge(cls.pg2.sw_if_index,
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=cls.mcast_ip4n,
+ mcast_sw_if_index=1,
+ vni=cls.mcast_flood_bd)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
bd_id=cls.mcast_flood_bd)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd)
# Add and delete mcast tunnels to check stability
cls.add_shared_mcast_dst_load()
cls.ucast_flood_bd = 3
cls.create_vxlan_flood_test_bd(cls.ucast_flood_bd,
cls.n_ucast_tunnels)
- cls.vapi.sw_interface_set_l2_bridge(cls.pg3.sw_if_index,
- bd_id=cls.ucast_flood_bd)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd)
except Exception:
super(TestVxlan, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestVxlan, cls).tearDownClass()
+
def test_encap_big_packet(self):
""" Encapsulation test send big frame from pg1
Verify receipt of encapsulated frames on pg0
# Pick first received frame and check if it's correctly encapsulated.
out = self.pg0.get_capture(2)
ether = out[0]
- pkt = reassemble(out)
+ pkt = reassemble4(out)
pkt = ether / pkt
self.check_encapsulation(pkt, self.single_tunnel_bd)
# @param self The object pointer.
def tearDown(self):
super(TestVxlan, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show bridge-domain 1 detail"))
- self.logger.info(self.vapi.cli("show bridge-domain 2 detail"))
- self.logger.info(self.vapi.cli("show bridge-domain 3 detail"))
- self.logger.info(self.vapi.cli("show vxlan tunnel"))
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show bridge-domain 1 detail"))
+ self.logger.info(self.vapi.cli("show bridge-domain 2 detail"))
+ self.logger.info(self.vapi.cli("show bridge-domain 3 detail"))
+ self.logger.info(self.vapi.cli("show vxlan tunnel"))
if __name__ == '__main__':