diff options
Diffstat (limited to 'src/plugins/nat/test')
| -rw-r--r-- | src/plugins/nat/test/test_nat44_ed.py | 125 |
1 files changed, 105 insertions, 20 deletions
diff --git a/src/plugins/nat/test/test_nat44_ed.py b/src/plugins/nat/test/test_nat44_ed.py index 7f61eed5a41..2ce7f23dac9 100644 --- a/src/plugins/nat/test/test_nat44_ed.py +++ b/src/plugins/nat/test/test_nat44_ed.py @@ -2,7 +2,7 @@ import unittest from io import BytesIO -from random import randint +from random import randint, shuffle, choice import scapy.compat from framework import VppTestCase, VppTestRunner @@ -1953,7 +1953,8 @@ class TestNAT44ED(NAT44EDTestCase): class TestNAT44EDMW(TestNAT44ED): """ NAT44ED MW Test Case """ - vpp_worker_count = 1 + vpp_worker_count = 4 + max_sessions = 5000 @unittest.skip('MW fix required') def test_users_dump(self): @@ -2014,6 +2015,10 @@ class TestNAT44EDMW(TestNAT44ED): def test_dynamic(self): """ NAT44ED dynamic translation test """ + pkt_count = 1500 + tcp_port_offset = 20 + udp_port_offset = 20 + icmp_id_offset = 20 self.nat_add_address(self.nat_addr) self.nat_add_inside_interface(self.pg0) @@ -2025,14 +2030,31 @@ class TestNAT44EDMW(TestNAT44ED): ic1 = self.statistics['/nat44-ed/in2out/slowpath/icmp'] dc1 = self.statistics['/nat44-ed/in2out/slowpath/drops'] - pkts = self.create_stream_in(self.pg0, self.pg1) - # TODO: specify worker=idx, also stats have to - # know from which worker to take capture - self.pg0.add_stream(pkts) + i2o_pkts = [[] for x in range(0, self.vpp_worker_count)] + + for i in range(pkt_count): + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / + TCP(sport=tcp_port_offset + i, dport=20)) + i2o_pkts[p[TCP].sport % self.vpp_worker_count].append(p) + + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / + UDP(sport=udp_port_offset + i, dport=20)) + i2o_pkts[p[UDP].sport % self.vpp_worker_count].append(p) + + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / + ICMP(id=icmp_id_offset + i, type='echo-request')) + i2o_pkts[p[ICMP].id % self.vpp_worker_count].append(p) + + for i in range(0, self.vpp_worker_count): + if len(i2o_pkts[i]) > 0: + self.pg0.add_stream(i2o_pkts[i], worker=i) + self.pg_enable_capture(self.pg_interfaces) self.pg_start() - capture = self.pg1.get_capture(len(pkts)) - self.verify_capture_out(capture, ignore_port=True) + capture = self.pg1.get_capture(pkt_count * 3) if_idx = self.pg0.sw_if_index tc2 = self.statistics['/nat44-ed/in2out/slowpath/tcp'] @@ -2040,23 +2062,82 @@ class TestNAT44EDMW(TestNAT44ED): ic2 = self.statistics['/nat44-ed/in2out/slowpath/icmp'] dc2 = self.statistics['/nat44-ed/in2out/slowpath/drops'] - self.assertEqual(tc2[:, if_idx].sum() - tc1[:, if_idx].sum(), 2) - self.assertEqual(uc2[:, if_idx].sum() - uc1[:, if_idx].sum(), 1) - self.assertEqual(ic2[:, if_idx].sum() - ic1[:, if_idx].sum(), 1) + self.assertEqual( + tc2[:, if_idx].sum() - tc1[:, if_idx].sum(), pkt_count) + self.assertEqual( + uc2[:, if_idx].sum() - uc1[:, if_idx].sum(), pkt_count) + self.assertEqual( + ic2[:, if_idx].sum() - ic1[:, if_idx].sum(), pkt_count) self.assertEqual(dc2[:, if_idx].sum() - dc1[:, if_idx].sum(), 0) + self.logger.info(self.vapi.cli("show trace")) + # out2in tc1 = self.statistics['/nat44-ed/out2in/fastpath/tcp'] uc1 = self.statistics['/nat44-ed/out2in/fastpath/udp'] ic1 = self.statistics['/nat44-ed/out2in/fastpath/icmp'] dc1 = self.statistics['/nat44-ed/out2in/fastpath/drops'] - pkts = self.create_stream_out(self.pg1) - self.pg1.add_stream(pkts) + recvd_tcp_ports = set() + recvd_udp_ports = set() + recvd_icmp_ids = set() + + for p in capture: + if TCP in p: + recvd_tcp_ports.add(p[TCP].sport) + if UDP in p: + recvd_udp_ports.add(p[UDP].sport) + if ICMP in p: + recvd_icmp_ids.add(p[ICMP].id) + + recvd_tcp_ports = list(recvd_tcp_ports) + recvd_udp_ports = list(recvd_udp_ports) + recvd_icmp_ids = list(recvd_icmp_ids) + + o2i_pkts = [[] for x in range(0, self.vpp_worker_count)] + for i in range(pkt_count): + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / + TCP(dport=choice(recvd_tcp_ports), sport=20)) + o2i_pkts[p[TCP].dport % self.vpp_worker_count].append(p) + + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / + UDP(dport=choice(recvd_udp_ports), sport=20)) + o2i_pkts[p[UDP].dport % self.vpp_worker_count].append(p) + + p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / + ICMP(id=choice(recvd_icmp_ids), type='echo-reply')) + o2i_pkts[p[ICMP].id % self.vpp_worker_count].append(p) + + for i in range(0, self.vpp_worker_count): + if len(o2i_pkts[i]) > 0: + self.pg1.add_stream(o2i_pkts[i], worker=i) + self.pg_enable_capture(self.pg_interfaces) self.pg_start() - capture = self.pg0.get_capture(len(pkts)) - self.verify_capture_in(capture, self.pg0) + capture = self.pg0.get_capture(pkt_count * 3) + for packet in capture: + try: + self.assert_packet_checksums_valid(packet) + self.assertEqual(packet[IP].dst, self.pg0.remote_ip4) + if packet.haslayer(TCP): + self.assert_in_range( + packet[TCP].dport, tcp_port_offset, + tcp_port_offset + pkt_count, "dst TCP port") + elif packet.haslayer(UDP): + self.assert_in_range( + packet[UDP].dport, udp_port_offset, + udp_port_offset + pkt_count, "dst UDP port") + else: + self.assert_in_range( + packet[ICMP].id, icmp_id_offset, + icmp_id_offset + pkt_count, "ICMP id") + except: + self.logger.error(ppp("Unexpected or invalid packet " + "(inside network):", packet)) + raise if_idx = self.pg1.sw_if_index tc2 = self.statistics['/nat44-ed/out2in/fastpath/tcp'] @@ -2064,13 +2145,17 @@ class TestNAT44EDMW(TestNAT44ED): ic2 = self.statistics['/nat44-ed/out2in/fastpath/icmp'] dc2 = self.statistics['/nat44-ed/out2in/fastpath/drops'] - self.assertEqual(tc2[:, if_idx].sum() - tc1[:, if_idx].sum(), 2) - self.assertEqual(uc2[:, if_idx].sum() - uc1[:, if_idx].sum(), 1) - self.assertEqual(ic2[:, if_idx].sum() - ic1[:, if_idx].sum(), 1) + self.assertEqual( + tc2[:, if_idx].sum() - tc1[:, if_idx].sum(), pkt_count) + self.assertEqual( + uc2[:, if_idx].sum() - uc1[:, if_idx].sum(), pkt_count) + self.assertEqual( + ic2[:, if_idx].sum() - ic1[:, if_idx].sum(), pkt_count) self.assertEqual(dc2[:, if_idx].sum() - dc1[:, if_idx].sum(), 0) sc = self.statistics['/nat44-ed/total-sessions'] - self.assertEqual(sc[:, 0].sum(), 3) + self.assertEqual(sc[:, 0].sum(), len(recvd_tcp_ports) + + len(recvd_udp_ports) + len(recvd_icmp_ids)) def test_frag_in_order(self): """ NAT44ED translate fragments arriving in order """ @@ -2697,7 +2782,7 @@ class TestNAT44EDMW(TestNAT44ED): server1_n += 1 else: server2_n += 1 - self.assertGreater(server1_n, server2_n) + self.assertGreaterEqual(server1_n, server2_n) local = { 'addr': server3.ip4, |