diff options
Diffstat (limited to 'test/test_mpls.py')
| -rw-r--r-- | test/test_mpls.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/test_mpls.py b/test/test_mpls.py index 7388cf46c73..5b3054801e7 100644 --- a/test/test_mpls.py +++ b/test/test_mpls.py @@ -379,6 +379,30 @@ class TestMPLS(VppTestCase): except: raise + def verify_capture_fragmented_labelled_ip4(self, src_if, capture, sent, + mpls_labels, ip_ttl=None): + try: + capture = verify_filter(capture, sent) + + for i in range(len(capture)): + tx = sent[0] + rx = capture[i] + tx_ip = tx[IP] + rx_ip = rx[IP] + + verify_mpls_stack(self, rx, mpls_labels) + + self.assertEqual(rx_ip.src, tx_ip.src) + self.assertEqual(rx_ip.dst, tx_ip.dst) + if not ip_ttl: + # IP processing post pop has decremented the TTL + self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl) + else: + self.assertEqual(rx_ip.ttl, ip_ttl) + + except: + raise + def test_swap(self): """ MPLS label swap tests """ @@ -851,6 +875,38 @@ class TestMPLS(VppTestCase): route_10_0_0_2.remove_vpp_config() route_10_0_0_1.remove_vpp_config() + def test_imposition_fragmentation(self): + """ MPLS label imposition fragmentation test """ + + # + # Add a ipv4 non-recursive route with a single out label + # + route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, + [VppRoutePath(self.pg0.remote_ip4, + self.pg0.sw_if_index, + labels=[VppMplsLabel(32)])]) + route_10_0_0_1.add_vpp_config() + + # + # a stream that matches the route for 10.0.0.1 + # PG0 is in the default table + # + tx = self.create_stream_ip4(self.pg0, "10.0.0.1") + for i in range(0, 257): + self.extend_packet(tx[i], 10000) + + # + # 5 fragments per packet (257*5=1285) + # + rx = self.send_and_expect(self.pg0, tx, self.pg0, 1285) + self.verify_capture_fragmented_labelled_ip4(self.pg0, rx, tx, + [VppMplsLabel(32)]) + + # + # cleanup + # + route_10_0_0_1.remove_vpp_config() + def test_tunnel_pipe(self): """ MPLS Tunnel Tests - Pipe """ |