diff options
Diffstat (limited to 'test/test_ip4.py')
| -rw-r--r-- | test/test_ip4.py | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/test/test_ip4.py b/test/test_ip4.py index 6f764373075..c8c0a71d171 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -899,9 +899,13 @@ class TestIPLoadBalance(VppTestCase): input.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() + rxs = [] for oo in outputs: rx = oo._get_capture(1) self.assertNotEqual(0, len(rx)) + for r in rx: + rxs.append(r) + return rxs def send_and_expect_one_itf(self, input, pkts, itf): input.add_stream(pkts) @@ -1038,6 +1042,53 @@ class TestIPLoadBalance(VppTestCase): self.pg3, self.pg4]) # + # bring down pg1 expect LB to adjust to use only those that are pu + # + self.pg1.link_down() + + rx = self.send_and_expect_load_balancing(self.pg0, src_pkts, + [self.pg2, self.pg3, + self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + + # + # bring down pg2 expect LB to adjust to use only those that are pu + # + self.pg2.link_down() + + rx = self.send_and_expect_load_balancing(self.pg0, src_pkts, + [self.pg3, self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + + # + # bring the links back up - expect LB over all again + # + self.pg1.link_up() + self.pg2.link_up() + + rx = self.send_and_expect_load_balancing(self.pg0, src_pkts, + [self.pg1, self.pg2, + self.pg3, self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + + # + # The same link-up/down but this time admin state + # + self.pg1.admin_down() + self.pg2.admin_down() + rx = self.send_and_expect_load_balancing(self.pg0, src_pkts, + [self.pg3, self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + self.pg1.admin_up() + self.pg2.admin_up() + self.pg1.resolve_arp() + self.pg2.resolve_arp() + rx = self.send_and_expect_load_balancing(self.pg0, src_pkts, + [self.pg1, self.pg2, + self.pg3, self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + + # # Recursive prefixes # - testing that 2 stages of load-balancing, no choices # @@ -1060,11 +1111,41 @@ class TestIPLoadBalance(VppTestCase): route_1_1_1_2.add_vpp_config() # - # inject the packet on pg0 - expect load-balancing across all 4 paths + # inject the packet on pg0 - rx only on via routes output interface # self.vapi.cli("clear trace") self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3) + # + # Add a LB route in the presence of a down link - expect no + # packets over the down link + # + self.pg3.link_down() + + route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, + [VppRoutePath(self.pg3.remote_ip4, + self.pg3.sw_if_index), + VppRoutePath(self.pg4.remote_ip4, + self.pg4.sw_if_index)]) + route_10_0_0_3.add_vpp_config() + + port_pkts = [] + for ii in range(257): + port_pkts.append(Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(dst="10.0.0.3", src="20.0.0.2") / + UDP(sport=1234, dport=1234 + ii) / + Raw('\xa5' * 100)) + + self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg4) + + # bring the link back up + self.pg3.link_up() + + rx = self.send_and_expect_load_balancing(self.pg0, port_pkts, + [self.pg3, self.pg4]) + self.assertEqual(len(src_pkts), len(rx)) + class TestIPVlan0(VppTestCase): """ IPv4 VLAN-0 """ |