diff options
Diffstat (limited to 'test/test_ip4.py')
| -rw-r--r-- | test/test_ip4.py | 110 |
1 files changed, 109 insertions, 1 deletions
diff --git a/test/test_ip4.py b/test/test_ip4.py index 5bd50ce3ea4..42fd1164a5f 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -7,7 +7,7 @@ from framework import VppTestCase, VppTestRunner from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpMRoute, \ VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ - VppMplsTable + VppMplsTable, VppIpTable from scapy.packet import Raw from scapy.layers.l2 import Ether, Dot1Q, ARP @@ -1119,5 +1119,113 @@ class TestIPPunt(VppTestCase): is_add=0) +class TestIPDeag(VppTestCase): + """ IPv4 Deaggregate Routes """ + + def setUp(self): + super(TestIPDeag, self).setUp() + + self.create_pg_interfaces(range(3)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def tearDown(self): + super(TestIPDeag, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip4() + i.admin_down() + + def send_and_expect(self, input, pkts, output): + self.vapi.cli("clear trace") + input.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + rx = output.get_capture(len(pkts)) + return rx + + def send_and_assert_no_replies(self, intf, pkts, remark): + self.vapi.cli("clear trace") + intf.add_stream(pkts) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + for i in self.pg_interfaces: + i.get_capture(0) + i.assert_nothing_captured(remark=remark) + + def test_ip_deag(self): + """ IP Deag Routes """ + + # + # Create a table to be used for: + # 1 - another destination address lookup + # 2 - a source address lookup + # + table_dst = VppIpTable(self, 1) + table_src = VppIpTable(self, 2) + table_dst.add_vpp_config() + table_src.add_vpp_config() + + # + # Add a route in the default table to point to a deag/ + # second lookup in each of these tables + # + route_to_dst = VppIpRoute(self, "1.1.1.1", 32, + [VppRoutePath("0.0.0.0", + 0xffffffff, + nh_table_id=1)]) + route_to_src = VppIpRoute(self, "1.1.1.2", 32, + [VppRoutePath("0.0.0.0", + 0xffffffff, + nh_table_id=2, + is_source_lookup=1)]) + route_to_dst.add_vpp_config() + route_to_src.add_vpp_config() + + # + # packets to these destination are dropped, since they'll + # hit the respective default routes in the second table + # + p_dst = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src="5.5.5.5", dst="1.1.1.1") / + TCP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + p_src = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src="2.2.2.2", dst="1.1.1.2") / + TCP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + pkts_dst = p_dst * 257 + pkts_src = p_src * 257 + + self.send_and_assert_no_replies(self.pg0, pkts_dst, + "IP in dst table") + self.send_and_assert_no_replies(self.pg0, pkts_src, + "IP in src table") + + # + # add a route in the dst table to forward via pg1 + # + route_in_dst = VppIpRoute(self, "1.1.1.1", 32, + [VppRoutePath(self.pg1.remote_ip4, + self.pg1.sw_if_index)], + table_id=1) + route_in_dst.add_vpp_config() + self.send_and_expect(self.pg0, pkts_dst, self.pg1) + + # + # add a route in the src table to forward via pg2 + # + route_in_src = VppIpRoute(self, "2.2.2.2", 32, + [VppRoutePath(self.pg2.remote_ip4, + self.pg2.sw_if_index)], + table_id=2) + route_in_src.add_vpp_config() + self.send_and_expect(self.pg0, pkts_src, self.pg2) + + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |