From 62fe07c8e30a6ac718fe65528592fe6964d753fa Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Tue, 31 Oct 2017 12:28:22 -0700 Subject: MPLS disposition actions at the tail of unicast LSPs Change-Id: I8c42e26152f2ed1246f91b789887bfc923418bdf Signed-off-by: Neale Ranns --- test/test_dvr.py | 4 +- test/test_ip4.py | 1 - test/test_ip6.py | 4 +- test/test_mpls.py | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 4 files changed, 115 insertions(+), 8 deletions(-) (limited to 'test') diff --git a/test/test_dvr.py b/test/test_dvr.py index 27522a54eea..f5d5e54a15f 100644 --- a/test/test_dvr.py +++ b/test/test_dvr.py @@ -15,7 +15,7 @@ from util import ppp class TestDVR(VppTestCase): - """ IPv4 Load-Balancing """ + """ Distributed Virtual Router """ def setUp(self): super(TestDVR, self).setUp() @@ -83,8 +83,6 @@ class TestDVR(VppTestCase): L2_VTR_OP.L2_POP_1, 93) - self.logger.error(self.vapi.ppcli("show bridge-domain 1 detail")) - # # Add routes to bridge the traffic via a tagged an nontagged interface # diff --git a/test/test_ip4.py b/test/test_ip4.py index b05635f95ee..12fbced1c26 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -1360,7 +1360,6 @@ class TestIPInput(VppTestCase): self.assertEqual(icmp.src, self.pg0.remote_ip4) self.assertEqual(icmp.dst, self.pg1.remote_ip4) - self.logger.error(self.vapi.cli("sh error")) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) diff --git a/test/test_ip6.py b/test/test_ip6.py index 0a0d56cbb8d..684eff5546e 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1278,6 +1278,7 @@ class TestIP6LoadBalance(VppTestCase): super(TestIP6LoadBalance, self).tearDown() def send_and_expect_load_balancing(self, input, pkts, outputs): + self.vapi.cli("clear trace") input.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -1286,6 +1287,7 @@ class TestIP6LoadBalance(VppTestCase): self.assertNotEqual(0, len(rx)) def send_and_expect_one_itf(self, input, pkts, itf): + self.vapi.cli("clear trace") input.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -1691,8 +1693,6 @@ class TestIP6Input(VppTestCase): # 0: "hop limit exceeded in transit", self.assertEqual(icmp.code, 0) - self.logger.error(self.vapi.cli("sh error")) - if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) diff --git a/test/test_mpls.py b/test/test_mpls.py index d265e85ed5e..9590519e237 100644 --- a/test/test_mpls.py +++ b/test/test_mpls.py @@ -12,7 +12,7 @@ from vpp_mpls_tunnel_interface import VppMPLSTunnelInterface from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP, ICMP -from scapy.layers.inet6 import IPv6 +from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded from scapy.contrib.mpls import MPLS @@ -288,6 +288,32 @@ class TestMPLS(VppTestCase): except: raise + def verify_capture_ip6_icmp(self, src_if, capture, sent): + try: + self.assertEqual(len(capture), len(sent)) + + for i in range(len(capture)): + tx = sent[i] + rx = capture[i] + + # the rx'd packet has the MPLS label popped + eth = rx[Ether] + self.assertEqual(eth.type, 0x86DD) + + tx_ip = tx[IPv6] + rx_ip = rx[IPv6] + + self.assertEqual(rx_ip.dst, tx_ip.src) + # ICMP sourced from the interface's address + self.assertEqual(rx_ip.src, src_if.local_ip6) + # hop-limit reset to 255 for IMCP packet + self.assertEqual(rx_ip.hlim, 254) + + icmp = rx[ICMPv6TimeExceeded] + + except: + raise + def send_and_assert_no_replies(self, intf, pkts, remark): intf.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) @@ -363,6 +389,91 @@ class TestMPLS(VppTestCase): rx = self.pg0.get_capture() self.verify_capture_ip4(self.pg0, rx, tx) + # + # disposed packets have an invalid IPv4 checkusm + # + tx = self.create_stream_labelled_ip4(self.pg0, [33], + dst_ip=self.pg0.remote_ip4, + n=65, + chksum=1) + self.send_and_assert_no_replies(self.pg0, tx, "Invalid Checksum") + + # + # An MPLS xconnect - EOS label in IPv6 out + # + route_333_eos = VppMplsRoute( + self, 333, 1, + [VppRoutePath(self.pg0.remote_ip6, + self.pg0.sw_if_index, + labels=[], + proto=DpoProto.DPO_PROTO_IP6)]) + route_333_eos.add_vpp_config() + + self.vapi.cli("clear trace") + tx = self.create_stream_labelled_ip6(self.pg0, [333], 64) + self.pg0.add_stream(tx) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture() + self.verify_capture_ip6(self.pg0, rx, tx) + + # + # disposed packets have an TTL expired + # + tx = self.create_stream_labelled_ip6(self.pg0, [333], 64, + dst_ip=self.pg1.remote_ip6, + hlim=1) + + self.vapi.cli("clear trace") + tx = self.create_stream_labelled_ip6(self.pg0, [333], 64, + dst_ip=self.pg1.remote_ip6, + hlim=0) + self.pg0.add_stream(tx) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture() + self.verify_capture_ip6_icmp(self.pg0, rx, tx) + + # + # An MPLS xconnect - EOS label in IPv6 out w imp-null + # + route_334_eos = VppMplsRoute( + self, 334, 1, + [VppRoutePath(self.pg0.remote_ip6, + self.pg0.sw_if_index, + labels=[3], + proto=DpoProto.DPO_PROTO_IP6)]) + route_334_eos.add_vpp_config() + + self.vapi.cli("clear trace") + tx = self.create_stream_labelled_ip6(self.pg0, [334], 64) + self.pg0.add_stream(tx) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture() + self.verify_capture_ip6(self.pg0, rx, tx) + + # + # disposed packets have an TTL expired + # + self.vapi.cli("clear trace") + tx = self.create_stream_labelled_ip6(self.pg0, [334], 64, + dst_ip=self.pg1.remote_ip6, + hlim=0) + self.pg0.add_stream(tx) + + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx = self.pg0.get_capture() + self.verify_capture_ip6_icmp(self.pg0, rx, tx) + # # An MPLS xconnect - non-EOS label in IP out - an invalid configuration # so this traffic should be dropped. @@ -1043,7 +1154,6 @@ class TestMPLS(VppTestCase): tx = self.create_stream_labelled_ip4(self.pg0, [34], dst_ip="232.1.1.1") self.send_and_assert_no_replies(self.pg0, tx, "RPF-ID drop 56") - self.logger.error(self.vapi.cli("sh error")) def test_mcast_ip6_tail(self): """ MPLS IPv6 Multicast Tail """ -- cgit 1.2.3-korg