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-rw-r--r--test/template_bd.py125
1 files changed, 99 insertions, 26 deletions
diff --git a/test/template_bd.py b/test/template_bd.py
index 01e8b855004..e240a2807c7 100644
--- a/test/template_bd.py
+++ b/test/template_bd.py
@@ -11,23 +11,28 @@ class BridgeDomain(object):
__metaclass__ = ABCMeta
@property
- def frame_pg0_to_pg1(self):
- """ Ethernet frame sent from pg0 and expected to arrive at pg1 """
+ 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_pg1_to_pg0(self):
- """ Ethernet frame sent from pg1 and expected to arrive at pg0 """
+ 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))
@abstractmethod
- def encapsulate(self, pkt):
+ def encap_mcast(self, pkt, src_ip, src_mac, vni):
+ """ Encapsulate mcast packet """
+ pass
+
+ @abstractmethod
+ def encapsulate(self, pkt, vni):
""" Encapsulate packet """
pass
@@ -37,17 +42,30 @@ class BridgeDomain(object):
pass
@abstractmethod
- def check_encapsulation(self, pkt):
+ def check_encapsulation(self, pkt, vni, local_only=False):
""" Verify the encapsulation """
pass
+ 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_pg0_to_pg1)
+ encapsulated_pkt = self.encapsulate(self.frame_request,
+ self.single_tunnel_bd)
self.pg0.add_stream([encapsulated_pkt, ])
@@ -61,22 +79,57 @@ class BridgeDomain(object):
'Invalid number of packets on '
'output: {}'.format(len(out)))
pkt = out[0]
-
- # TODO: add error messages
- self.assertEqual(pkt[Ether].src, self.frame_pg0_to_pg1[Ether].src)
- self.assertEqual(pkt[Ether].dst, self.frame_pg0_to_pg1[Ether].dst)
- self.assertEqual(pkt[IP].src, self.frame_pg0_to_pg1[IP].src)
- self.assertEqual(pkt[IP].dst, self.frame_pg0_to_pg1[IP].dst)
- self.assertEqual(pkt[UDP].sport, self.frame_pg0_to_pg1[UDP].sport)
- self.assertEqual(pkt[UDP].dport, self.frame_pg0_to_pg1[UDP].dport)
- self.assertEqual(pkt[Raw], self.frame_pg0_to_pg1[Raw])
+ 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_pg1_to_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()
+ self.assertEqual(len(out), 1,
+ 'Invalid number of packets on '
+ 'output: {}'.format(len(out)))
+ 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.assertEqual(len(out), 10,
+ 'Invalid number of packets on '
+ 'output: {}'.format(len(out)))
+ 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_mcast_flood(self):
+ """ Multicast flood test
+ Send frames from pg2
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg2.add_stream([self.frame_reply])
self.pg0.enable_capture()
@@ -88,14 +141,34 @@ class BridgeDomain(object):
'Invalid number of packets on '
'output: {}'.format(len(out)))
pkt = out[0]
- self.check_encapsulation(pkt)
+ self.check_encapsulation(pkt, self.mcast_flood_bd, True)
payload = self.decapsulate(pkt)
- # TODO: add error messages
- self.assertEqual(payload[Ether].src, self.frame_pg1_to_pg0[Ether].src)
- self.assertEqual(payload[Ether].dst, self.frame_pg1_to_pg0[Ether].dst)
- self.assertEqual(payload[IP].src, self.frame_pg1_to_pg0[IP].src)
- self.assertEqual(payload[IP].dst, self.frame_pg1_to_pg0[IP].dst)
- self.assertEqual(payload[UDP].sport, self.frame_pg1_to_pg0[UDP].sport)
- self.assertEqual(payload[UDP].dport, self.frame_pg1_to_pg0[UDP].dport)
- self.assertEqual(payload[Raw], self.frame_pg1_to_pg0[Raw])
+ self.assert_eq_pkts(payload, self.frame_reply)
+
+ @staticmethod
+ def ipn_to_ip(ipn):
+ return '.'.join(str(i) for i in bytearray(ipn))
+
+ def test_mcast_rcv(self):
+ """ Multicast receive test
+ Send 20 encapsulated frames from pg0 only 10 match unicast tunnels
+ Verify receipt of 10 decap frames on pg2
+ """
+ mac = self.pg0.remote_mac
+ ip_range_start = 10
+ ip_range_end = 30
+ mcast_stream = [
+ self.encap_mcast(self.frame_request, self.ipn_to_ip(ip), mac,
+ self.mcast_flood_bd)
+ for ip in self.ip4_range(self.pg0.remote_ip4n,
+ ip_range_start, ip_range_end)]
+ self.pg0.add_stream(mcast_stream)
+ self.pg2.enable_capture()
+ self.pg_start()
+ out = self.pg2.get_capture()
+ self.assertEqual(len(out), 10,
+ 'Invalid number of packets on '
+ 'output: {}'.format(len(out)))
+ for pkt in out:
+ self.assert_eq_pkts(pkt, self.frame_request)