diff options
| author |   Neale Ranns <nranns@cisco.com> | 2017-07-31 02:56:03 -0700 |
|---|---|---|
| committer | Neale Ranns <nranns@cisco.com> | 2017-08-01 15:36:26 +0000 |
| commit | 42e6b097e02b80779213aa5c14a5202ecd5913e5 (patch) | |
| tree | fd038e9eb863f00ded670ec52127645cd09bac85 | |
| parent | 15ac81c16fba83033090299413a3a2dbb848a0f9 (diff) | |
Tests for recursive load-balancing with no choices.
Change-Id: I90bb3369576741d03628a818ffa63cc99d6e4c98
Signed-off-by: Neale Ranns <nranns@cisco.com>
| -rw-r--r-- | test/test_ip4.py | 40 | ||||
| -rw-r--r-- | test/test_ip6.py | 33 |
2 files changed, 68 insertions, 5 deletions
diff --git a/test/test_ip4.py b/test/test_ip4.py index 2f666f107e2..7a7098c36f0 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -796,6 +796,12 @@ class TestIPLoadBalance(VppTestCase): rx = oo._get_capture(1) self.assertNotEqual(0, len(rx)) + def send_and_expect_one_itf(self, input, pkts, itf): + input.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + rx = itf.get_capture(len(pkts)) + def test_ip_load_balance(self): """ IP Load-Balancing """ @@ -874,11 +880,7 @@ class TestIPLoadBalance(VppTestCase): self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, [self.pg1, self.pg2]) - self.pg0.add_stream(port_ip_pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - rx = self.pg2.get_capture(len(port_ip_pkts)) + self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2) # # change the flow hash config back to defaults @@ -928,6 +930,34 @@ class TestIPLoadBalance(VppTestCase): [self.pg1, self.pg2, self.pg3, self.pg4]) + # + # Recursive prefixes + # - testing that 2 stages of load-balancing, no choices + # + port_pkts = [] + + for ii in range(257): + port_pkts.append((Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(dst="1.1.1.2", src="20.0.0.2") / + UDP(sport=1234, dport=1234 + ii) / + Raw('\xa5' * 100))) + + route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, + [VppRoutePath(self.pg3.remote_ip4, + self.pg3.sw_if_index)]) + route_10_0_0_3.add_vpp_config() + + route_1_1_1_2 = VppIpRoute(self, "1.1.1.2", 32, + [VppRoutePath("10.0.0.3", 0xffffffff)]) + route_1_1_1_2.add_vpp_config() + + # + # inject the packet on pg0 - expect load-balancing across all 4 paths + # + self.vapi.cli("clear trace") + self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3) + class TestIPVlan0(VppTestCase): """ IPv4 VLAN-0 """ diff --git a/test/test_ip6.py b/test/test_ip6.py index 1432858f38c..593f68681fa 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -1469,6 +1469,39 @@ class TestIP6LoadBalance(VppTestCase): [self.pg1, self.pg2, self.pg3, self.pg4]) + # + # Recursive prefixes + # - testing that 2 stages of load-balancing no choices + # + port_pkts = [] + + for ii in range(257): + port_pkts.append((Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(dst="6000::1", src="6000:1::1") / + UDP(sport=1234, dport=1234 + ii) / + Raw('\xa5' * 100))) + + route_5000_2 = VppIpRoute(self, "5000::2", 128, + [VppRoutePath(self.pg3.remote_ip6, + self.pg3.sw_if_index, + is_ip6=1)], + is_ip6=1) + route_5000_2.add_vpp_config() + + route_6000_1 = VppIpRoute(self, "6000::1", 128, + [VppRoutePath("5000::2", + 0xffffffff, + is_ip6=1)], + is_ip6=1) + route_6000_1.add_vpp_config() + + # + # inject the packet on pg0 - expect load-balancing across all 4 paths + # + self.vapi.cli("clear trace") + self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |