fib: fib api updates
[vpp.git] / test / test_mtu.py
index d6be2e2..568a147 100644 (file)
@@ -12,32 +12,20 @@ import unittest
 from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
 from scapy.layers.inet import ICMP
 from framework import VppTestCase, VppTestRunner
 from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
 from scapy.layers.inet import ICMP
 from framework import VppTestCase, VppTestRunner
-from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
 from socket import AF_INET, AF_INET6, inet_pton
 from socket import AF_INET, AF_INET6, inet_pton
-import StringIO
+from util import reassemble4
+
 
 """ Test_mtu is a subclass of VPPTestCase classes.
     MTU tests.
 """
 
 
 
 """ Test_mtu is a subclass of VPPTestCase classes.
     MTU tests.
 """
 
 
-def reassemble(listoffragments):
-    buffer = StringIO.StringIO()
-    first = listoffragments[0]
-    buffer.seek(20)
-    for pkt in listoffragments:
-        # pkt.show2()
-        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 TestMTU(VppTestCase):
     """ MTU Test Case """
 class TestMTU(VppTestCase):
     """ MTU Test Case """
+    maxDiff = None
 
     @classmethod
     def setUpClass(cls):
 
     @classmethod
     def setUpClass(cls):
@@ -45,9 +33,13 @@ class TestMTU(VppTestCase):
         cls.create_pg_interfaces(range(2))
         cls.interfaces = list(cls.pg_interfaces)
 
         cls.create_pg_interfaces(range(2))
         cls.interfaces = list(cls.pg_interfaces)
 
-    def setUp(cls):
-        super(TestMTU, cls).setUp()
-        for i in cls.interfaces:
+    @classmethod
+    def tearDownClass(cls):
+        super(TestMTU, cls).tearDownClass()
+
+    def setUp(self):
+        super(TestMTU, self).setUp()
+        for i in self.interfaces:
             i.admin_up()
             i.config_ip4()
             i.config_ip6()
             i.admin_up()
             i.config_ip4()
             i.config_ip6()
@@ -64,7 +56,7 @@ class TestMTU(VppTestCase):
                 i.admin_down()
 
     def validate(self, rx, expected):
                 i.admin_down()
 
     def validate(self, rx, expected):
-        self.assertEqual(rx, expected.__class__(str(expected)))
+        self.assertEqual(rx, expected.__class__(expected))
 
     def validate_bytes(self, rx, expected):
         self.assertEqual(rx, expected)
 
     def validate_bytes(self, rx, expected):
         self.assertEqual(rx, expected)
@@ -73,7 +65,7 @@ class TestMTU(VppTestCase):
         return 'x' * len
 
     def get_mtu(self, sw_if_index):
         return 'x' * len
 
     def get_mtu(self, sw_if_index):
-        rv = self.vapi.sw_interface_dump()
+        rv = self.vapi.sw_interface_dump(sw_if_index=sw_if_index)
         for i in rv:
             if i.sw_if_index == sw_if_index:
                 return i.mtu[0]
         for i in rv:
             if i.sw_if_index == sw_if_index:
                 return i.mtu[0]
@@ -110,14 +102,14 @@ class TestMTU(VppTestCase):
                           ttl=254, len=576, id=0) /
                        p_icmp4 / p_ip4 / p_payload)
         icmp4_reply[1].ttl -= 1
                           ttl=254, len=576, id=0) /
                        p_icmp4 / p_ip4 / p_payload)
         icmp4_reply[1].ttl -= 1
-        n = icmp4_reply.__class__(str(icmp4_reply))
-        s = str(icmp4_reply)
+        n = icmp4_reply.__class__(icmp4_reply)
+        s = bytes(icmp4_reply)
         icmp4_reply = s[0:576]
         rx = self.send_and_expect(self.pg0, p4*11, self.pg0)
         for p in rx:
             # p.show2()
             # n.show2()
         icmp4_reply = s[0:576]
         rx = self.send_and_expect(self.pg0, p4*11, self.pg0)
         for p in rx:
             # p.show2()
             # n.show2()
-            self.validate_bytes(str(p[1]), icmp4_reply)
+            self.validate_bytes(bytes(p[1]), icmp4_reply)
 
         # Now with DF off. Expect fragments.
         # First go with 1500 byte packets.
 
         # Now with DF off. Expect fragments.
         # First go with 1500 byte packets.
@@ -133,7 +125,7 @@ class TestMTU(VppTestCase):
         self.pg0.add_stream(p4*1)
         self.pg_start()
         rx = self.pg1.get_capture(3)
         self.pg0.add_stream(p4*1)
         self.pg_start()
         rx = self.pg1.get_capture(3)
-        reass_pkt = reassemble(rx)
+        reass_pkt = reassemble4(rx)
         self.validate(reass_pkt, p4_reply)
 
         '''
         self.validate(reass_pkt, p4_reply)
 
         '''
@@ -151,7 +143,7 @@ class TestMTU(VppTestCase):
         self.pg0.add_stream(p4*1)
         self.pg_start()
         rx = self.pg1.get_capture(16)
         self.pg0.add_stream(p4*1)
         self.pg_start()
         rx = self.pg1.get_capture(16)
-        reass_pkt = reassemble(rx)
+        reass_pkt = reassemble4(rx)
         reass_pkt.show2()
         p4_reply.show2()
         self.validate(reass_pkt, p4_reply)
         reass_pkt.show2()
         p4_reply.show2()
         self.validate(reass_pkt, p4_reply)
@@ -187,16 +179,16 @@ class TestMTU(VppTestCase):
         p_icmp6 = ICMPv6PacketTooBig(mtu=1280, cksum=0x4c7a)
         icmp6_reply = (IPv6(src=self.pg0.local_ip6,
                             dst=self.pg0.remote_ip6,
         p_icmp6 = ICMPv6PacketTooBig(mtu=1280, cksum=0x4c7a)
         icmp6_reply = (IPv6(src=self.pg0.local_ip6,
                             dst=self.pg0.remote_ip6,
-                            hlim=254, plen=1240) /
+                            hlim=255, plen=1240) /
                        p_icmp6 / p_ip6 / p_payload)
         icmp6_reply[2].hlim -= 1
                        p_icmp6 / p_ip6 / p_payload)
         icmp6_reply[2].hlim -= 1
-        n = icmp6_reply.__class__(str(icmp6_reply))
-        s = str(icmp6_reply)
-        icmp6_reply = s[0:1280]
+        n = icmp6_reply.__class__(icmp6_reply)
+        s = bytes(icmp6_reply)
+        icmp6_reply_str = s[0:1280]
 
         rx = self.send_and_expect(self.pg0, p6*9, self.pg0)
         for p in rx:
 
         rx = self.send_and_expect(self.pg0, p6*9, self.pg0)
         for p in rx:
-            self.validate_bytes(str(p[1]), icmp6_reply)
+            self.validate_bytes(bytes(p[1]), icmp6_reply_str)
 
         # Reset MTU
         self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index,
 
         # Reset MTU
         self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index,