nat: nat44-ed cleanup & fixes
[vpp.git] / test / test_nat44_ed.py
index 2fa70fa..f172dab 100644 (file)
@@ -13,7 +13,7 @@ from scapy.layers.l2 import Ether
 from scapy.packet import Raw
 from syslog_rfc5424_parser import SyslogMessage, ParseError
 from syslog_rfc5424_parser.constants import SyslogSeverity
-from util import ppp, ip4_range
+from util import ppp, pr, ip4_range
 from vpp_acl import AclRule, VppAcl, VppAclInterface
 from vpp_ip_route import VppIpRoute, VppRoutePath
 from vpp_papi import VppEnum
@@ -944,30 +944,35 @@ class TestNAT44ED(VppTestCase):
         self.nat_add_outside_interface(self.pg1)
 
         # in2out (initiate connection)
-        p1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+        p1 = [Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
               IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
-              UDP(sport=21, dport=20) / payload)
+              UDP(sport=21, dport=20) / payload,
+              Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+              IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+              TCP(sport=21, dport=20, flags="S") / payload,
+              Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+              IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+              ICMP(type='echo-request', id=7777) / payload,
+              ]
 
-        self.pg0.add_stream(p1)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-        capture = self.pg1.get_capture(1)[0]
+        capture = self.send_and_expect(self.pg0, p1, self.pg1)
 
         # out2in (send error message)
-        p2 = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+        p2 = [Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
               IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
               ICMP(type='dest-unreach', code='port-unreachable') /
-              capture[IP:])
+              c[IP:]
+              for c in capture]
 
-        self.pg1.add_stream(p2)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-
-        capture = self.pg0.get_capture(1)[0]
+        capture = self.send_and_expect(self.pg1, p2, self.pg0)
 
-        self.logger.info(ppp("p1 packet:", p1))
-        self.logger.info(ppp("p2 packet:", p2))
-        self.logger.info(ppp("capture packet:", capture))
+        for c in capture:
+            try:
+                assert c[IP].dst == self.pg0.remote_ip4
+                assert c[IPerror].src == self.pg0.remote_ip4
+            except AssertionError as a:
+                raise AssertionError(
+                    f"Packet {pr(c)} not translated properly") from a
 
     def test_icmp_echo_reply_trailer(self):
         """ ICMP echo reply with ethernet trailer"""
@@ -1196,8 +1201,9 @@ class TestNAT44ED(VppTestCase):
         self.vapi.nat44_forwarding_enable_disable(enable=1)
         self.nat_add_address(self.nat_addr)
 
-        self.vapi.nat44_interface_add_del_output_feature(
-            sw_if_index=self.pg1.sw_if_index, is_add=1,)
+        self.vapi.nat44_ed_add_del_output_interface(
+            sw_if_index=self.pg1.sw_if_index,
+            is_add=1)
 
         # session initiated from service host - translate
         pkts = self.create_stream_in(self.pg0, self.pg1)
@@ -1269,8 +1275,9 @@ class TestNAT44ED(VppTestCase):
         self.nat_add_address(self.nat_addr)
 
         self.nat_add_outside_interface(self.pg0)
-        self.vapi.nat44_interface_add_del_output_feature(
-            sw_if_index=self.pg1.sw_if_index, is_add=1)
+        self.vapi.nat44_ed_add_del_output_interface(
+            sw_if_index=self.pg1.sw_if_index,
+            is_add=1)
 
         # in2out
         pkts = self.create_stream_in(self.pg0, self.pg1)
@@ -1785,7 +1792,7 @@ class TestNAT44ED(VppTestCase):
 
         self.nat_add_address(self.nat_addr)
         flags = self.config_flags.NAT_IS_INSIDE
-        self.vapi.nat44_interface_add_del_output_feature(
+        self.vapi.nat44_ed_add_del_output_interface(
             sw_if_index=self.pg1.sw_if_index,
             is_add=1)
         self.vapi.nat44_interface_add_del_feature(
@@ -2514,9 +2521,9 @@ class TestNAT44EDMW(TestNAT44ED):
 
     def test_show_max_translations(self):
         """ NAT44ED API test - max translations per thread """
-        nat_config = self.vapi.nat_show_config_2()
+        config = self.vapi.nat44_show_running_config()
         self.assertEqual(self.max_sessions,
-                         nat_config.max_translations_per_thread)
+                         config.sessions)
 
     def test_lru_cleanup(self):
         """ NAT44ED LRU cleanup algorithm """
@@ -3247,7 +3254,8 @@ class TestNAT44EDMW(TestNAT44ED):
 
     def test_tcp_close(self):
         """ NAT44ED Close TCP session from inside network - output feature """
-        old_timeouts = self.vapi.nat_get_timeouts()
+        config = self.vapi.nat44_show_running_config()
+        old_timeouts = config.timeouts
         new_transitory = 2
         self.vapi.nat_set_timeouts(
             udp=old_timeouts.udp,
@@ -3797,9 +3805,9 @@ class TestNAT44EDMW(TestNAT44ED):
         new_vrf_id = 22
 
         self.nat_add_address(self.nat_addr)
-        self.vapi.nat44_interface_add_del_output_feature(
-            sw_if_index=self.pg8.sw_if_index, is_add=1)
-
+        self.vapi.nat44_ed_add_del_output_interface(
+            sw_if_index=self.pg8.sw_if_index,
+            is_add=1)
         try:
             self.configure_ip4_interface(self.pg7, table_id=new_vrf_id)
             self.configure_ip4_interface(self.pg8, table_id=new_vrf_id)