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-rw-r--r--test/patches/scapy-2.3.3/vxlan.patch1
-rw-r--r--test/patches/scapy-2.4/vxlan.py.patch12
-rw-r--r--test/test_gbp.py2
-rw-r--r--test/test_vxlan_gbp.py277
-rw-r--r--test/vpp_papi_provider.py37
5 files changed, 327 insertions, 2 deletions
diff --git a/test/patches/scapy-2.3.3/vxlan.patch b/test/patches/scapy-2.3.3/vxlan.patch
index 556df4dd70a..71493dd742c 100644
--- a/test/patches/scapy-2.3.3/vxlan.patch
+++ b/test/patches/scapy-2.3.3/vxlan.patch
@@ -8,4 +8,5 @@ diff --git a/scapy/layers/vxlan.py b/scapy/layers/vxlan.py
+bind_layers(UDP, VXLAN, dport=4790) # RFC standard vxlan-gpe port
bind_layers(UDP, VXLAN, dport=6633) # New IANA assigned port for use with NSH
bind_layers(UDP, VXLAN, dport=8472) # Linux implementation port
++bind_layers(UDP, VXLAN, dport=48879) # RFC standard vxlan-gbp port
bind_layers(VXLAN, Ether, {'flags': 0x8})
diff --git a/test/patches/scapy-2.4/vxlan.py.patch b/test/patches/scapy-2.4/vxlan.py.patch
new file mode 100644
index 00000000000..c5876a4adbd
--- /dev/null
+++ b/test/patches/scapy-2.4/vxlan.py.patch
@@ -0,0 +1,12 @@
+diff --git a/scapy/layers/vxlan.py b/scapy/layers/vxlan.py
+index 03c3a5a..ee30f28 100644
+--- a/scapy/layers/vxlan.py
++++ b/scapy/layers/vxlan.py
+@@ -69,6 +69,7 @@ bind_layers(UDP, VXLAN, dport=4789) # RFC standard vxlan port
+ bind_layers(UDP, VXLAN, dport=4790) # RFC standard vxlan-gpe port
+ bind_layers(UDP, VXLAN, dport=6633) # New IANA assigned port for use with NSH
+ bind_layers(UDP, VXLAN, dport=8472) # Linux implementation port
++bind_layers(UDP, VXLAN, dport=48879) # iVXLAN port
+ bind_layers(UDP, VXLAN, sport=4789)
+ bind_layers(UDP, VXLAN, sport=4790)
+ bind_layers(UDP, VXLAN, sport=6633)
diff --git a/test/test_gbp.py b/test/test_gbp.py
index b6faa12c6a6..894690b216d 100644
--- a/test/test_gbp.py
+++ b/test/test_gbp.py
@@ -161,7 +161,7 @@ class VppGbpSubnet(VppObject):
self.address_n,
self.address_len,
sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff,
- epg_id=self.epg if self.epg else 0xffffffff,
+ epg_id=self.epg if self.epg else 0xffff,
is_ip6=self.is_ip6)
self._test.registry.register(self, self._test.logger)
diff --git a/test/test_vxlan_gbp.py b/test/test_vxlan_gbp.py
new file mode 100644
index 00000000000..55594a59fa7
--- /dev/null
+++ b/test/test_vxlan_gbp.py
@@ -0,0 +1,277 @@
+#!/usr/bin/env python
+
+import socket
+from util import ip4n_range, ip4_range
+import unittest
+from framework import VppTestCase, VppTestRunner
+from template_bd import BridgeDomain
+
+from scapy.layers.l2 import Ether, Raw
+from scapy.layers.inet import IP, UDP
+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[Ether])[:34]
+ return first[Ether].__class__(header + buffer.getvalue())
+
+
+class TestVxlanGbp(VppTestCase):
+ """ VXLAN GBP Test Case """
+
+ @property
+ def frame_request(self):
+ """ Ethernet frame modeling a generic request """
+ return (Ether(src='00:00:00:00:00:01', dst='00:00:00:00:00:02') /
+ IP(src='1.2.3.4', dst='4.3.2.1') /
+ UDP(sport=10000, dport=20000) /
+ Raw('\xa5' * 100))
+
+ @property
+ def frame_reply(self):
+ """ Ethernet frame modeling a generic reply """
+ return (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('\xa5' * 100))
+
+ def encapsulate(self, pkt, vni):
+ """
+ Encapsulate the original payload frame by adding VXLAN GBP header with
+ its UDP, IP and Ethernet fields
+ """
+ return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ UDP(sport=self.dport, dport=self.dport, chksum=0) /
+ VXLAN(vni=vni, flags=self.flags, gpflags=self.gpflags,
+ gpid=self.sclass) / pkt)
+
+ def ip_range(self, start, end):
+ """ range of remote ip's """
+ return ip4_range(self.pg0.remote_ip4, start, end)
+
+ def decapsulate(self, pkt):
+ """
+ Decapsulate the original payload frame by removing VXLAN header
+ """
+ # check if is set G and I flag
+ self.assertEqual(pkt[VXLAN].flags, int('0x88', 16))
+ return pkt[VXLAN].payload
+
+ # Method for checking VXLAN GBP encapsulation.
+ #
+ def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False):
+ # TODO: add error messages
+ # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
+ # by VPP using ARP.
+ self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
+ if not local_only:
+ if not mcast_pkt:
+ self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
+ else:
+ self.assertEqual(pkt[Ether].dst, type(self).mcast_mac)
+ # Verify VXLAN GBP tunnel source IP is VPP_IP and destination IP is
+ # MY_IP.
+ self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
+ if not local_only:
+ if not mcast_pkt:
+ self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
+ else:
+ self.assertEqual(pkt[IP].dst, type(self).mcast_ip4)
+ # Verify UDP destination port is VXLAN GBP 48879, source UDP port could
+ # be arbitrary.
+ self.assertEqual(pkt[UDP].dport, type(self).dport)
+ # TODO: checksum check
+ # Verify VNI
+ # pkt.show()
+ self.assertEqual(pkt[VXLAN].vni, vni)
+ # Verify Source Class
+ self.assertEqual(pkt[VXLAN].gpid, 0)
+
+ @classmethod
+ def create_vxlan_gbp_flood_test_bd(cls, vni, n_ucast_tunnels):
+ # Create 2 ucast vxlan tunnels under bd
+ ip_range_start = 10
+ ip_range_end = ip_range_start + n_ucast_tunnels
+ next_hop_address = cls.pg0.remote_ip4n
+ 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_gbp_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)
+
+ # Class method to start the VXLAN GBP test case.
+ # Overrides setUpClass method in VppTestCase class.
+ # Python try..except statement is used to ensure that the tear down of
+ # the class will be executed even if exception is raised.
+ # @param cls The class pointer.
+ @classmethod
+ def setUpClass(cls):
+ super(TestVxlanGbp, cls).setUpClass()
+
+ try:
+ cls.dport = 48879
+ cls.flags = 0x88
+ cls.gpflags = 0x0
+ cls.sclass = 0
+
+ # Create 2 pg interfaces.
+ cls.create_pg_interfaces(range(4))
+ for pg in cls.pg_interfaces:
+ pg.admin_up()
+
+ # Configure IPv4 addresses on VPP pg0.
+ cls.pg0.config_ip4()
+
+ # Resolve MAC address for VPP's IP address on pg0.
+ cls.pg0.resolve_arp()
+
+ # Create VXLAN GBP VTEP on VPP pg0, and put vxlan_gbp_tunnel0 and
+ # pg1 into BD.
+ cls.single_tunnel_bd = 1
+ r = cls.vapi.vxlan_gbp_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,
+ bd_id=cls.single_tunnel_bd)
+
+ # Setup vni 2 to test multicast flooding
+ cls.n_ucast_tunnels = 2
+ # Setup vni 3 to test unicast flooding
+ cls.ucast_flood_bd = 3
+ cls.create_vxlan_gbp_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)
+ except Exception:
+ super(TestVxlanGbp, cls).tearDownClass()
+ raise
+
+ def assert_eq_pkts(self, pkt1, pkt2):
+ """ Verify the Ether, IP, UDP, payload are equal in both
+ packets
+ """
+ self.assertEqual(pkt1[Ether].src, pkt2[Ether].src)
+ self.assertEqual(pkt1[Ether].dst, pkt2[Ether].dst)
+ self.assertEqual(pkt1[IP].src, pkt2[IP].src)
+ self.assertEqual(pkt1[IP].dst, pkt2[IP].dst)
+ self.assertEqual(pkt1[UDP].sport, pkt2[UDP].sport)
+ self.assertEqual(pkt1[UDP].dport, pkt2[UDP].dport)
+ self.assertEqual(pkt1[Raw], pkt2[Raw])
+
+ def test_decap(self):
+ """ Decapsulation test
+ Send encapsulated frames from pg0
+ Verify receipt of decapsulated frames on pg1
+ """
+ encapsulated_pkt = self.encapsulate(self.frame_request,
+ self.single_tunnel_bd)
+
+ self.pg0.add_stream([encapsulated_pkt, ])
+
+ self.pg1.enable_capture()
+
+ self.pg_start()
+
+ # Pick first received frame and check if it's the non-encapsulated
+ # frame
+ out = self.pg1.get_capture(1)
+ pkt = out[0]
+ self.assert_eq_pkts(pkt, self.frame_request)
+
+ def test_encap(self):
+ """ Encapsulation test
+ Send frames from pg1
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg1.add_stream([self.frame_reply])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Pick first received frame and check if it's corectly encapsulated.
+ out = self.pg0.get_capture(1)
+ pkt = out[0]
+ self.check_encapsulation(pkt, self.single_tunnel_bd)
+
+ payload = self.decapsulate(pkt)
+ self.assert_eq_pkts(payload, self.frame_reply)
+
+ def test_ucast_flood(self):
+ """ Unicast flood test
+ Send frames from pg3
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg3.add_stream([self.frame_reply])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Get packet from each tunnel and assert it's corectly encapsulated.
+ out = self.pg0.get_capture(self.n_ucast_tunnels)
+ for pkt in out:
+ self.check_encapsulation(pkt, self.ucast_flood_bd, True)
+ payload = self.decapsulate(pkt)
+ self.assert_eq_pkts(payload, self.frame_reply)
+
+ def test_encap_big_packet(self):
+ """ Encapsulation test send big frame from pg1
+ Verify receipt of encapsulated frames on pg0
+ """
+
+ self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0])
+
+ 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('\xa5' * 1450))
+
+ self.pg1.add_stream([frame])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Pick first received frame and check if it's correctly encapsulated.
+ out = self.pg0.get_capture(2)
+ pkt = reassemble(out)
+ self.check_encapsulation(pkt, self.single_tunnel_bd)
+
+ payload = self.decapsulate(pkt)
+ self.assert_eq_pkts(payload, frame)
+
+# Method to define VPP actions before tear down of the test case.
+# Overrides tearDown method in VppTestCase class.
+# @param self The object pointer.
+ def tearDown(self):
+ super(TestVxlanGbp, 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 3 detail"))
+ self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+ self.logger.info(self.vapi.cli("show error"))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 9a3a9741ed9..b575b8ad6ac 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -2723,6 +2723,41 @@ class VppPapiProvider(object):
'protocol': protocol,
'vni': vni})
+ def vxlan_gbp_add_del_tunnel(
+ self,
+ src_addr,
+ dst_addr,
+ mcast_sw_if_index=0xFFFFFFFF,
+ is_add=1,
+ is_ipv6=0,
+ encap_vrf_id=0,
+ decap_next_index=0xFFFFFFFF,
+ vni=0,
+ instance=0xFFFFFFFF):
+ """
+
+ :param dst_addr:
+ :param src_addr:
+ :param is_add: (Default value = 1)
+ :param is_ipv6: (Default value = 0)
+ :param encap_vrf_id: (Default value = 0)
+ :param decap_next_index: (Default value = 0xFFFFFFFF)
+ :param mcast_sw_if_index: (Default value = 0xFFFFFFFF)
+ :param vni: (Default value = 0)
+ :param instance: (Default value = 0xFFFFFFFF)
+
+ """
+ return self.api(self.papi.vxlan_gbp_add_del_tunnel,
+ {'is_add': is_add,
+ 'is_ipv6': is_ipv6,
+ 'src_address': src_addr,
+ 'dst_address': dst_addr,
+ 'mcast_sw_if_index': mcast_sw_if_index,
+ 'encap_vrf_id': encap_vrf_id,
+ 'decap_next_index': decap_next_index,
+ 'vni': vni,
+ 'instance': instance})
+
def pppoe_add_del_session(
self,
client_ip,
@@ -3446,7 +3481,7 @@ class VppPapiProvider(object):
is_internal,
addr, addr_len,
sw_if_index=0xffffffff,
- epg_id=0xffffffff,
+ epg_id=0xffff,
is_ip6=False):
""" GBP Subnet Add/Del """
return self.api(self.papi.gbp_subnet_add_del,