diff options
Diffstat (limited to 'test/test_ip4.py')
| -rw-r--r-- | test/test_ip4.py | 124 |
1 files changed, 100 insertions, 24 deletions
diff --git a/test/test_ip4.py b/test/test_ip4.py index 83129e2462d..2d98ed5297b 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -36,7 +36,6 @@ class TestIPv4(VppTestCase): :ivar list interfaces: pg interfaces and subinterfaces. :ivar dict flows: IPv4 packet flows in test. - :ivar list pg_if_packet_sizes: packet sizes in test. """ super(TestIPv4, self).setUp() @@ -55,8 +54,7 @@ class TestIPv4(VppTestCase): self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if] # packet sizes - self.pg_if_packet_sizes = [64, 512, 1518, 9018] - self.sub_if_packet_sizes = [64, 512, 1518 + 4, 9018 + 4] + self.pg_if_packet_sizes = [64, 1500, 9020] self.interfaces = list(self.pg_interfaces) self.interfaces.extend(self.sub_interfaces) @@ -103,34 +101,52 @@ class TestIPv4(VppTestCase): (count, percent)) percent += 1 - def create_stream(self, src_if, packet_sizes): + def modify_packet(self, src_if, packet_size, pkt): + """Add load, set destination IP and extend packet to required packet + size for defined interface. + + :param VppInterface src_if: Interface to create packet for. + :param int packet_size: Required packet size. + :param Scapy pkt: Packet to be modified. + """ + dst_if_idx = packet_size / 10 % 2 + dst_if = self.flows[src_if][dst_if_idx] + info = self.create_packet_info(src_if, dst_if) + payload = self.info_to_payload(info) + p = pkt/Raw(payload) + p[IP].dst = dst_if.remote_ip4 + info.data = p.copy() + if isinstance(src_if, VppSubInterface): + p = src_if.add_dot1_layer(p) + self.extend_packet(p, packet_size) + + return p + + def create_stream(self, src_if): """Create input packet stream for defined interface. :param VppInterface src_if: Interface to create packet stream for. - :param list packet_sizes: Required packet sizes. """ - pkts = [] - for i in range(0, 257): - dst_if = self.flows[src_if][i % 2] - info = self.create_packet_info(src_if, dst_if) - payload = self.info_to_payload(info) - p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) / - UDP(sport=1234, dport=1234) / - Raw(payload)) - info.data = p.copy() - if isinstance(src_if, VppSubInterface): - p = src_if.add_dot1_layer(p) - size = packet_sizes[(i // 2) % len(packet_sizes)] - self.extend_packet(p, size) - pkts.append(p) + hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0 + pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / + IP(src=src_if.remote_ip4) / + UDP(sport=1234, dport=1234)) + + pkts = [self.modify_packet(src_if, i, pkt_tmpl) + for i in xrange(self.pg_if_packet_sizes[0], + self.pg_if_packet_sizes[1], 10)] + pkts_b = [self.modify_packet(src_if, i, pkt_tmpl) + for i in xrange(self.pg_if_packet_sizes[1] + hdr_ext, + self.pg_if_packet_sizes[2] + hdr_ext, 50)] + pkts.extend(pkts_b) + return pkts def verify_capture(self, dst_if, capture): """Verify captured input packet stream for defined interface. :param VppInterface dst_if: Interface to verify captured packet stream - for. + for. :param list capture: Captured packet stream. """ self.logger.info("Verifying capture on interface %s" % dst_if.name) @@ -183,15 +199,15 @@ class TestIPv4(VppTestCase): Test scenario: - Create IPv4 stream for pg0 interface - - Create IPv4 tagged streams for pg1's and pg2's subinterface. + - Create IPv4 tagged streams for pg1's and pg2's sub-interface. - Send and verify received packets on each interface. """ - pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes) + pkts = self.create_stream(self.pg0) self.pg0.add_stream(pkts) for i in self.sub_interfaces: - pkts = self.create_stream(i, self.sub_if_packet_sizes) + pkts = self.create_stream(i) i.parent.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) @@ -205,6 +221,66 @@ class TestIPv4(VppTestCase): self.verify_capture(i, pkts) +class TestICMPEcho(VppTestCase): + """ ICMP Echo Test Case """ + + def setUp(self): + super(TestICMPEcho, self).setUp() + + # create 1 pg interface + self.create_pg_interfaces(range(1)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def tearDown(self): + super(TestICMPEcho, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip4() + i.admin_down() + + def test_icmp_echo(self): + """ VPP replies to ICMP Echo Request + + Test scenario: + + - Receive ICMP Echo Request message on pg0 interface. + - Check outgoing ICMP Echo Reply message on pg0 interface. + """ + + icmp_id = 0xb + icmp_seq = 5 + icmp_load = '\x0a' * 18 + p_echo_request = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / + ICMP(id=icmp_id, seq=icmp_seq) / + Raw(load=icmp_load)) + + self.pg0.add_stream(p_echo_request) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture(1) + rx = rx[0] + ether = rx[Ether] + ipv4 = rx[IP] + icmp = rx[ICMP] + + self.assertEqual(ether.src, self.pg0.local_mac) + self.assertEqual(ether.dst, self.pg0.remote_mac) + + self.assertEqual(ipv4.src, self.pg0.local_ip4) + self.assertEqual(ipv4.dst, self.pg0.remote_ip4) + + self.assertEqual(icmptypes[icmp.type], "echo-reply") + self.assertEqual(icmp.id, icmp_id) + self.assertEqual(icmp.seq, icmp_seq) + self.assertEqual(icmp[Raw].load, icmp_load) + + class TestIPv4FibCrud(VppTestCase): """ FIB - add/update/delete - ip4 routes |