X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_nat.py;h=a64b5709c72aa818003e6d48c9b007362322e398;hb=053204ab039d34a990ff0e14c32ce3b294fcce0e;hp=a6786218bd3517f84285748c5bdbbfcd469a9008;hpb=9f1b3ff308ff823f95f694342ef65c06686f5bf8;p=vpp.git

diff --git a/test/test_nat.py b/test/test_nat.py
index a6786218bd3..a64b5709c72 100644
--- a/test/test_nat.py
+++ b/test/test_nat.py
@@ -27,6 +27,7 @@ from io import BytesIO
 from vpp_papi import VppEnum
 from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathType
 from vpp_neighbor import VppNeighbor
+from vpp_ip import VppIpAddress, VppIpPrefix
 from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
     IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \
     PacketListField
@@ -1504,16 +1505,16 @@ class TestNAT44(MethodHolder):
             cls.vapi.ip_table_add_del(is_add=1, table_id=10)
             cls.vapi.ip_table_add_del(is_add=1, table_id=20)
 
-            cls.pg4._local_ip4 = "172.16.255.1"
-            cls.pg4._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg4._local_ip4 = VppIpPrefix("172.16.255.1",
+                                             cls.pg4.local_ip4_prefix.len)
             cls.pg4._remote_hosts[0]._ip4 = "172.16.255.2"
             cls.pg4.set_table_ip4(10)
-            cls.pg5._local_ip4 = "172.17.255.3"
-            cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg5._local_ip4 = VppIpPrefix("172.17.255.3",
+                                             cls.pg5.local_ip4_prefix.len)
             cls.pg5._remote_hosts[0]._ip4 = "172.17.255.4"
             cls.pg5.set_table_ip4(10)
-            cls.pg6._local_ip4 = "172.16.255.1"
-            cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET, i.local_ip4)
+            cls.pg6._local_ip4 = VppIpPrefix("172.16.255.1",
+                                             cls.pg6.local_ip4_prefix.len)
             cls.pg6._remote_hosts[0]._ip4 = "172.16.255.2"
             cls.pg6.set_table_ip4(20)
             for i in cls.overlapping_interfaces:
@@ -1526,10 +1527,10 @@ class TestNAT44(MethodHolder):
 
             cls.pg9.generate_remote_hosts(2)
             cls.pg9.config_ip4()
-            ip_addr_n = socket.inet_pton(socket.AF_INET, "10.0.0.1")
             cls.vapi.sw_interface_add_del_address(
-                sw_if_index=cls.pg9.sw_if_index, address=ip_addr_n,
-                address_length=24)
+                sw_if_index=cls.pg9.sw_if_index,
+                prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
             cls.pg9.admin_up()
             cls.pg9.resolve_arp()
             cls.pg9._remote_hosts[1]._ip4 = cls.pg9._remote_hosts[0]._ip4
@@ -3670,10 +3671,22 @@ class TestNAT44(MethodHolder):
             sw_if_index=self.pg1.sw_if_index,
             is_add=1)
 
+        reas_cfg1 = self.vapi.nat_get_reass()
+        # this test was intermittently failing in some cases
+        # until we temporarily bump the reassembly timeouts
+        self.vapi.nat_set_reass(timeout=20, max_reass=1024, max_frag=5,
+                                drop_frag=0)
+
         self.frag_in_order(proto=IP_PROTOS.tcp)
         self.frag_in_order(proto=IP_PROTOS.udp)
         self.frag_in_order(proto=IP_PROTOS.icmp)
 
+        # restore the reassembly timeouts
+        self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout,
+                                max_reass=reas_cfg1.ip4_max_reass,
+                                max_frag=reas_cfg1.ip4_max_frag,
+                                drop_frag=reas_cfg1.ip4_drop_frag)
+
     def test_frag_forwarding(self):
         """ NAT44 forwarding fragment test """
         self.vapi.nat44_add_del_interface_addr(
@@ -4416,10 +4429,10 @@ class TestNAT44EndpointDependent(MethodHolder):
 
             cls.pg4.generate_remote_hosts(2)
             cls.pg4.config_ip4()
-            ip_addr_n = socket.inet_pton(socket.AF_INET, "10.0.0.1")
             cls.vapi.sw_interface_add_del_address(
-                sw_if_index=cls.pg4.sw_if_index, address=ip_addr_n,
-                address_length=24)
+                sw_if_index=cls.pg4.sw_if_index,
+                prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
             cls.pg4.admin_up()
             cls.pg4.resolve_arp()
             cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4
@@ -4428,9 +4441,8 @@ class TestNAT44EndpointDependent(MethodHolder):
             zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0")
             cls.vapi.ip_table_add_del(is_add=1, table_id=1)
 
-            cls.pg5._local_ip4 = "10.1.1.1"
-            cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET,
-                                                   cls.pg5.local_ip4)
+            cls.pg5._local_ip4 = VppIpPrefix("10.1.1.1",
+                                             cls.pg5.local_ip4_prefix.len)
             cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2"
             cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton(
                 socket.AF_INET, cls.pg5.remote_ip4)
@@ -4444,9 +4456,8 @@ class TestNAT44EndpointDependent(MethodHolder):
                             register=False)
             r1.add_vpp_config()
 
-            cls.pg6._local_ip4 = "10.1.2.1"
-            cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET,
-                                                   cls.pg6.local_ip4)
+            cls.pg6._local_ip4 = VppIpPrefix("10.1.2.1",
+                                             cls.pg6.local_ip4_prefix.len)
             cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2"
             cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton(
                 socket.AF_INET, cls.pg6.remote_ip4)
@@ -4514,7 +4525,17 @@ class TestNAT44EndpointDependent(MethodHolder):
             sw_if_index=self.pg1.sw_if_index,
             is_add=1)
         self.vapi.nat44_forwarding_enable_disable(enable=True)
+        reas_cfg1 = self.vapi.nat_get_reass()
+        # this test was intermittently failing in some cases
+        # until we temporarily bump the reassembly timeouts
+        self.vapi.nat_set_reass(timeout=20, max_reass=1024, max_frag=5,
+                                drop_frag=0)
         self.frag_in_order(proto=IP_PROTOS.tcp, dont_translate=True)
+        # restore the reassembly timeouts
+        self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout,
+                                max_reass=reas_cfg1.ip4_max_reass,
+                                max_frag=reas_cfg1.ip4_max_frag,
+                                drop_frag=reas_cfg1.ip4_drop_frag)
 
     def test_frag_out_of_order(self):
         """ NAT44 translate fragments arriving out of order """