MAP: Use explicit address/prefix types in API

[vpp.git] / test / test_ip4.py

diff --git a/test/test_ip4.py b/test/test_ip4.py
index d15453d..ca461f1 100644 (file)
--- a/test/test_ip4.py
+++ b/test/test_ip4.py
@@ -552,7 +552,7 @@ class TestIPNull(VppTestCase):
         super(TestIPNull, self).setUp()
 
         # create 2 pg interfaces
-        self.create_pg_interfaces(range(1))
+        self.create_pg_interfaces(range(2))
 
         for i in self.pg_interfaces:
             i.admin_up()
@@ -624,6 +624,32 @@ class TestIPNull(VppTestCase):
         self.assertEqual(icmp.src, self.pg0.remote_ip4)
         self.assertEqual(icmp.dst, "10.0.0.2")
 
+    def test_ip_drop(self):
+        """ IP Drop Routes """
+
+        p = (Ether(src=self.pg0.remote_mac,
+                   dst=self.pg0.local_mac) /
+             IP(src=self.pg0.remote_ip4, dst="1.1.1.1") /
+             UDP(sport=1234, dport=1234) /
+             Raw('\xa5' * 100))
+
+        r1 = VppIpRoute(self, "1.1.1.0", 24,
+                        [VppRoutePath(self.pg1.remote_ip4,
+                                      self.pg1.sw_if_index)])
+        r1.add_vpp_config()
+
+        rx = self.send_and_expect(self.pg0, p * 65, self.pg1)
+
+        #
+        # insert a more specific as a drop
+        #
+        r2 = VppIpRoute(self, "1.1.1.1", 32, [], is_drop=1)
+        r2.add_vpp_config()
+
+        self.send_and_assert_no_replies(self.pg0, p * 65, "Drop Route")
+        r2.remove_vpp_config()
+        rx = self.send_and_expect(self.pg0, p * 65, self.pg1)
+
 
 class TestIPDisabled(VppTestCase):
     """ IPv4 disabled """
@@ -1479,5 +1505,104 @@ class TestIPDirectedBroadcast(VppTestCase):
         self.pg1.unconfig_ip4()
 
 
+class TestIPLPM(VppTestCase):
+    """ IPv4 longest Prefix Match """
+
+    def setUp(self):
+        super(TestIPLPM, self).setUp()
+
+        self.create_pg_interfaces(range(4))
+
+        for i in self.pg_interfaces:
+            i.admin_up()
+            i.config_ip4()
+            i.resolve_arp()
+
+    def tearDown(self):
+        super(TestIPLPM, self).tearDown()
+        for i in self.pg_interfaces:
+            i.admin_down()
+            i.unconfig_ip4()
+
+    def test_ip_lpm(self):
+        """ IP longest Prefix Match """
+
+        s_24 = VppIpRoute(self, "10.1.2.0", 24,
+                          [VppRoutePath(self.pg1.remote_ip4,
+                                        self.pg1.sw_if_index)])
+        s_24.add_vpp_config()
+        s_8 = VppIpRoute(self, "10.0.0.0", 8,
+                         [VppRoutePath(self.pg2.remote_ip4,
+                                       self.pg2.sw_if_index)])
+        s_8.add_vpp_config()
+
+        p_8 = (Ether(src=self.pg0.remote_mac,
+                     dst=self.pg0.local_mac) /
+               IP(src="1.1.1.1",
+                  dst="10.1.1.1") /
+               UDP(sport=1234, dport=1234) /
+               Raw('\xa5' * 2000))
+        p_24 = (Ether(src=self.pg0.remote_mac,
+                      dst=self.pg0.local_mac) /
+                IP(src="1.1.1.1",
+                   dst="10.1.2.1") /
+                UDP(sport=1234, dport=1234) /
+                Raw('\xa5' * 2000))
+
+        self.logger.info(self.vapi.cli("sh ip fib mtrie"))
+        rx = self.send_and_expect(self.pg0, p_8 * 65, self.pg2)
+        rx = self.send_and_expect(self.pg0, p_24 * 65, self.pg1)
+
+
+class TestIPv4Frag(VppTestCase):
+    """ IPv4 fragmentation """
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestIPv4Frag, cls).setUpClass()
+
+        cls.create_pg_interfaces([0, 1])
+        cls.src_if = cls.pg0
+        cls.dst_if = cls.pg1
+
+        # setup all interfaces
+        for i in cls.pg_interfaces:
+            i.admin_up()
+            i.config_ip4()
+            i.resolve_arp()
+
+    def test_frag_large_packets(self):
+        """ Fragmentation of large packets """
+
+        p = (Ether(dst=self.src_if.local_mac, src=self.src_if.remote_mac) /
+             IP(src=self.src_if.remote_ip4, dst=self.dst_if.remote_ip4) /
+             UDP(sport=1234, dport=5678) / Raw())
+        self.extend_packet(p, 6000, "abcde")
+        saved_payload = p[Raw].load
+
+        # Force fragmentation by setting MTU of output interface
+        # lower than packet size
+        self.vapi.sw_interface_set_mtu(self.dst_if.sw_if_index,
+                                       [5000, 0, 0, 0])
+
+        self.pg_enable_capture()
+        self.src_if.add_stream(p)
+        self.pg_start()
+
+        # Expecting 3 fragments because size of created fragments currently
+        # cannot be larger then VPP buffer size (which is 2048)
+        packets = self.dst_if.get_capture(3)
+
+        # Assume VPP sends the fragments in order
+        payload = ''
+        for p in packets:
+            payload_offset = p.frag * 8
+            if payload_offset > 0:
+                payload_offset -= 8  # UDP header is not in payload
+            self.assert_equal(payload_offset, len(payload))
+            payload += p[Raw].load
+        self.assert_equal(payload, saved_payload, "payload")
+
+
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)