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IP Flow Hash Config fixes
[vpp.git] / test / test_snat.py
diff --git a/test/test_snat.py b/test/test_snat.py
index 42b0719..f90d906 100644 (file)
--- a/test/test_snat.py
+++ b/test/test_snat.py
@@ -1332,13 +1332,13 @@ class TestDeterministicNAT(MethodHolder):
 
         try:
             cls.tcp_port_in = 6303
-            cls.tcp_port_out = 6303
+            cls.tcp_external_port = 6303
             cls.udp_port_in = 6304
-            cls.udp_port_out = 6304
+            cls.udp_external_port = 6304
             cls.icmp_id_in = 6305
             cls.snat_addr = '10.0.0.3'
 
-            cls.create_pg_interfaces(range(2))
+            cls.create_pg_interfaces(range(3))
             cls.interfaces = list(cls.pg_interfaces)
 
             for i in cls.interfaces:
@@ -1365,13 +1365,13 @@ class TestDeterministicNAT(MethodHolder):
         # TCP
         p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
              IP(src=in_if.remote_ip4, dst=out_if.remote_ip4, ttl=ttl) /
-             TCP(sport=self.tcp_port_in, dport=self.tcp_port_out))
+             TCP(sport=self.tcp_port_in, dport=self.tcp_external_port))
         pkts.append(p)
 
         # UDP
         p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
              IP(src=in_if.remote_ip4, dst=out_if.remote_ip4, ttl=ttl) /
-             UDP(sport=self.udp_port_in, dport=self.udp_port_out))
+             UDP(sport=self.udp_port_in, dport=self.udp_external_port))
         pkts.append(p)
 
         # ICMP
@@ -1396,13 +1396,13 @@ class TestDeterministicNAT(MethodHolder):
         # TCP
         p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
              IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
-             TCP(dport=self.tcp_external_port, sport=self.tcp_port_out))
+             TCP(dport=self.tcp_port_out, sport=self.tcp_external_port))
         pkts.append(p)
 
         # UDP
         p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
              IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
-             UDP(dport=self.udp_external_port, sport=self.udp_port_out))
+             UDP(dport=self.udp_port_out, sport=self.udp_external_port))
         pkts.append(p)
 
         # ICMP
@@ -1429,9 +1429,9 @@ class TestDeterministicNAT(MethodHolder):
             try:
                 self.assertEqual(packet[IP].src, nat_ip)
                 if packet.haslayer(TCP):
-                    self.tcp_external_port = packet[TCP].sport
+                    self.tcp_port_out = packet[TCP].sport
                 elif packet.haslayer(UDP):
-                    self.udp_external_port = packet[UDP].sport
+                    self.udp_port_out = packet[UDP].sport
                 else:
                     self.icmp_external_id = packet[ICMP].id
             except:
@@ -1450,19 +1450,19 @@ class TestDeterministicNAT(MethodHolder):
             # SYN packet in->out
             p = (Ether(src=in_if.remote_mac, dst=in_if.local_mac) /
                  IP(src=in_if.remote_ip4, dst=out_if.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="S"))
             in_if.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
             self.pg_start()
             capture = out_if.get_capture(1)
             p = capture[0]
-            self.tcp_external_port = p[TCP].sport
+            self.tcp_port_out = p[TCP].sport
 
             # SYN + ACK packet out->in
             p = (Ether(src=out_if.remote_mac, dst=out_if.local_mac) /
                  IP(src=out_if.remote_ip4, dst=self.snat_addr) /
-                 TCP(sport=self.tcp_port_out, dport=self.tcp_external_port,
+                 TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
                      flags="SA"))
             out_if.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1472,7 +1472,7 @@ class TestDeterministicNAT(MethodHolder):
             # ACK packet in->out
             p = (Ether(src=in_if.remote_mac, dst=in_if.local_mac) /
                  IP(src=in_if.remote_ip4, dst=out_if.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="A"))
             in_if.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1483,6 +1483,21 @@ class TestDeterministicNAT(MethodHolder):
             self.logger.error("TCP 3 way handshake failed")
             raise
 
+    def verify_ipfix_max_entries_per_user(self, data):
+        """
+        Verify IPFIX maximum entries per user exceeded event
+
+        :param data: Decoded IPFIX data records
+        """
+        self.assertEqual(1, len(data))
+        record = data[0]
+        # natEvent
+        self.assertEqual(ord(record[230]), 13)
+        # natQuotaExceededEvent
+        self.assertEqual('\x03\x00\x00\x00', record[466])
+        # sourceIPv4Address
+        self.assertEqual(self.pg0.remote_ip4n, record[8])
+
     def test_deterministic_mode(self):
         """ S-NAT run deterministic mode """
         in_addr = '172.16.255.0'
@@ -1538,12 +1553,6 @@ class TestDeterministicNAT(MethodHolder):
         """ CGNAT translation test (TCP, UDP, ICMP) """
 
         nat_ip = "10.0.0.10"
-        self.tcp_port_out = 6303
-        self.udp_port_out = 6304
-        self.icmp_id_in = 6305
-        self.tcp_external_port = 7303
-        self.udp_external_port = 7304
-        self.icmp_id_out = 7305
 
         self.vapi.snat_add_det_map(self.pg0.remote_ip4n,
                                    32,
@@ -1569,12 +1578,36 @@ class TestDeterministicNAT(MethodHolder):
         capture = self.pg0.get_capture(len(pkts))
         self.verify_capture_in(capture, self.pg0)
 
+        # session dump test
+        sessions = self.vapi.snat_det_session_dump(self.pg0.remote_ip4n)
+        self.assertEqual(len(sessions), 3)
+
+        # TCP session
+        s = sessions[0]
+        self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+        self.assertEqual(s.in_port, self.tcp_port_in)
+        self.assertEqual(s.out_port, self.tcp_port_out)
+        self.assertEqual(s.ext_port, self.tcp_external_port)
+
+        # UDP session
+        s = sessions[1]
+        self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+        self.assertEqual(s.in_port, self.udp_port_in)
+        self.assertEqual(s.out_port, self.udp_port_out)
+        self.assertEqual(s.ext_port, self.udp_external_port)
+
+        # ICMP session
+        s = sessions[2]
+        self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+        self.assertEqual(s.in_port, self.icmp_id_in)
+        self.assertEqual(s.out_port, self.icmp_external_id)
+
     def test_multiple_users(self):
         """ CGNAT multiple users """
 
         nat_ip = "10.0.0.10"
         port_in = 80
-        port_out = 6303
+        external_port = 6303
 
         host0 = self.pg0.remote_hosts[0]
         host1 = self.pg0.remote_hosts[1]
@@ -1590,7 +1623,7 @@ class TestDeterministicNAT(MethodHolder):
         # host0 to out
         p = (Ether(src=host0.mac, dst=self.pg0.local_mac) /
              IP(src=host0.ip4, dst=self.pg1.remote_ip4) /
-             TCP(sport=port_in, dport=port_out))
+             TCP(sport=port_in, dport=external_port))
         self.pg0.add_stream(p)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
@@ -1601,8 +1634,8 @@ class TestDeterministicNAT(MethodHolder):
             tcp = p[TCP]
             self.assertEqual(ip.src, nat_ip)
             self.assertEqual(ip.dst, self.pg1.remote_ip4)
-            self.assertEqual(tcp.dport, port_out)
-            external_port0 = tcp.sport
+            self.assertEqual(tcp.dport, external_port)
+            port_out0 = tcp.sport
         except:
             self.logger.error(ppp("Unexpected or invalid packet:", p))
             raise
@@ -1610,7 +1643,7 @@ class TestDeterministicNAT(MethodHolder):
         # host1 to out
         p = (Ether(src=host1.mac, dst=self.pg0.local_mac) /
              IP(src=host1.ip4, dst=self.pg1.remote_ip4) /
-             TCP(sport=port_in, dport=port_out))
+             TCP(sport=port_in, dport=external_port))
         self.pg0.add_stream(p)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
@@ -1621,8 +1654,8 @@ class TestDeterministicNAT(MethodHolder):
             tcp = p[TCP]
             self.assertEqual(ip.src, nat_ip)
             self.assertEqual(ip.dst, self.pg1.remote_ip4)
-            self.assertEqual(tcp.dport, port_out)
-            external_port1 = tcp.sport
+            self.assertEqual(tcp.dport, external_port)
+            port_out1 = tcp.sport
         except:
             self.logger.error(ppp("Unexpected or invalid packet:", p))
             raise
@@ -1634,7 +1667,7 @@ class TestDeterministicNAT(MethodHolder):
         # out to host0
         p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
              IP(src=self.pg1.remote_ip4, dst=nat_ip) /
-             TCP(sport=port_out, dport=external_port0))
+             TCP(sport=external_port, dport=port_out0))
         self.pg1.add_stream(p)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
@@ -1646,7 +1679,7 @@ class TestDeterministicNAT(MethodHolder):
             self.assertEqual(ip.src, self.pg1.remote_ip4)
             self.assertEqual(ip.dst, host0.ip4)
             self.assertEqual(tcp.dport, port_in)
-            self.assertEqual(tcp.sport, port_out)
+            self.assertEqual(tcp.sport, external_port)
         except:
             self.logger.error(ppp("Unexpected or invalid packet:", p))
             raise
@@ -1654,7 +1687,7 @@ class TestDeterministicNAT(MethodHolder):
         # out to host1
         p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
              IP(src=self.pg1.remote_ip4, dst=nat_ip) /
-             TCP(sport=port_out, dport=external_port1))
+             TCP(sport=external_port, dport=port_out1))
         self.pg1.add_stream(p)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
@@ -1666,11 +1699,26 @@ class TestDeterministicNAT(MethodHolder):
             self.assertEqual(ip.src, self.pg1.remote_ip4)
             self.assertEqual(ip.dst, host1.ip4)
             self.assertEqual(tcp.dport, port_in)
-            self.assertEqual(tcp.sport, port_out)
+            self.assertEqual(tcp.sport, external_port)
         except:
             self.logger.error(ppp("Unexpected or invalid packet", p))
             raise
 
+        # session close api test
+        self.vapi.snat_det_close_session_out(socket.inet_aton(nat_ip),
+                                             port_out1,
+                                             self.pg1.remote_ip4n,
+                                             external_port)
+        dms = self.vapi.snat_det_map_dump()
+        self.assertEqual(dms[0].ses_num, 1)
+
+        self.vapi.snat_det_close_session_in(host0.ip4n,
+                                            port_in,
+                                            self.pg1.remote_ip4n,
+                                            external_port)
+        dms = self.vapi.snat_det_map_dump()
+        self.assertEqual(dms[0].ses_num, 0)
+
     def test_tcp_session_close_detection_in(self):
         """ CGNAT TCP session close initiated from inside network """
         self.vapi.snat_add_det_map(self.pg0.remote_ip4n,
@@ -1688,7 +1736,7 @@ class TestDeterministicNAT(MethodHolder):
             # FIN packet in -> out
             p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                  IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="F"))
             self.pg0.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1700,14 +1748,14 @@ class TestDeterministicNAT(MethodHolder):
             # ACK packet out -> in
             p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
                  IP(src=self.pg1.remote_ip4, dst=self.snat_addr) /
-                 TCP(sport=self.tcp_port_out, dport=self.tcp_external_port,
+                 TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
                      flags="A"))
             pkts.append(p)
 
             # FIN packet out -> in
             p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
                  IP(src=self.pg1.remote_ip4, dst=self.snat_addr) /
-                 TCP(sport=self.tcp_port_out, dport=self.tcp_external_port,
+                 TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
                      flags="F"))
             pkts.append(p)
 
@@ -1719,7 +1767,7 @@ class TestDeterministicNAT(MethodHolder):
             # ACK packet in -> out
             p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                  IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="A"))
             self.pg0.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1750,7 +1798,7 @@ class TestDeterministicNAT(MethodHolder):
             # FIN packet out -> in
             p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
                  IP(src=self.pg1.remote_ip4, dst=self.snat_addr) /
-                 TCP(sport=self.tcp_port_out, dport=self.tcp_external_port,
+                 TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
                      flags="F"))
             self.pg1.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1762,14 +1810,14 @@ class TestDeterministicNAT(MethodHolder):
             # ACK packet in -> out
             p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                  IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="A"))
             pkts.append(p)
 
             # ACK packet in -> out
             p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                  IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
-                 TCP(sport=self.tcp_port_in, dport=self.tcp_port_out,
+                 TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
                      flags="F"))
             pkts.append(p)
 
@@ -1781,7 +1829,7 @@ class TestDeterministicNAT(MethodHolder):
             # ACK packet out -> in
             p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
                  IP(src=self.pg1.remote_ip4, dst=self.snat_addr) /
-                 TCP(sport=self.tcp_port_out, dport=self.tcp_external_port,
+                 TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
                      flags="A"))
             self.pg1.add_stream(p)
             self.pg_enable_capture(self.pg_interfaces)
@@ -1827,6 +1875,11 @@ class TestDeterministicNAT(MethodHolder):
         self.vapi.snat_interface_add_del_feature(self.pg0.sw_if_index)
         self.vapi.snat_interface_add_del_feature(self.pg1.sw_if_index,
                                                  is_inside=0)
+        self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
+                                     src_address=self.pg2.local_ip4n,
+                                     path_mtu=512,
+                                     template_interval=10)
+        self.vapi.snat_ipfix()
 
         pkts = []
         for port in range(1025, 2025):
@@ -1852,10 +1905,26 @@ class TestDeterministicNAT(MethodHolder):
 
         self.assertEqual(1000, dms[0].ses_num)
 
+        # verify IPFIX logging
+        self.vapi.cli("ipfix flush")  # FIXME this should be an API call
+        capture = self.pg2.get_capture(2)
+        ipfix = IPFIXDecoder()
+        # first load template
+        for p in capture:
+            self.assertTrue(p.haslayer(IPFIX))
+            if p.haslayer(Template):
+                ipfix.add_template(p.getlayer(Template))
+        # verify events in data set
+        for p in capture:
+            if p.haslayer(Data):
+                data = ipfix.decode_data_set(p.getlayer(Set))
+                self.verify_ipfix_max_entries_per_user(data)
+
     def clear_snat(self):
         """
         Clear SNAT configuration.
         """
+        self.vapi.snat_ipfix(enable=0)
         self.vapi.snat_det_set_timeouts()
         deterministic_mappings = self.vapi.snat_det_map_dump()
         for dsm in deterministic_mappings:
Vector Packet Processing