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authorDave Wallace <dwallacelf@gmail.com>2020-11-16 17:44:36 -0500
committerNeale Ranns <nranns@cisco.com>2020-12-16 13:33:31 +0000
commitf05c9a497c9464f710614450ec2fbf3b9d300343 (patch)
tree63176392db7f328cc9284c75d939c55df8e8f07a /test/test_dvr.py
parent7742d5b355564bc21a45db0d5fc10d5f63778749 (diff)
tests: move fib tests to src/vnet/fib/test
- Refactor make test code to be co-located with the vpp feature source code Type: test Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Change-Id: I0529eb51b5a6bc2a5f1a49ee9d3320908ad1dba9
Diffstat (limited to 'test/test_dvr.py')
-rw-r--r--test/test_dvr.py410
1 files changed, 0 insertions, 410 deletions
diff --git a/test/test_dvr.py b/test/test_dvr.py
deleted file mode 100644
index 8531b8553ca..00000000000
--- a/test/test_dvr.py
+++ /dev/null
@@ -1,410 +0,0 @@
-#!/usr/bin/env python3
-import unittest
-
-from framework import VppTestCase, VppTestRunner
-from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathType
-from vpp_l2 import L2_PORT_TYPE
-from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
-from vpp_acl import AclRule, VppAcl, VppAclInterface
-
-from scapy.packet import Raw
-from scapy.layers.l2 import Ether, Dot1Q
-from scapy.layers.inet import IP, UDP
-from socket import AF_INET, inet_pton
-from ipaddress import IPv4Network
-
-NUM_PKTS = 67
-
-
-class TestDVR(VppTestCase):
- """ Distributed Virtual Router """
-
- @classmethod
- def setUpClass(cls):
- super(TestDVR, cls).setUpClass()
-
- @classmethod
- def tearDownClass(cls):
- super(TestDVR, cls).tearDownClass()
-
- def setUp(self):
- super(TestDVR, self).setUp()
-
- self.create_pg_interfaces(range(4))
- self.create_loopback_interfaces(1)
-
- for i in self.pg_interfaces:
- i.admin_up()
-
- self.loop0.config_ip4()
-
- def tearDown(self):
- for i in self.pg_interfaces:
- i.admin_down()
- self.loop0.unconfig_ip4()
-
- super(TestDVR, self).tearDown()
-
- def assert_same_mac_addr(self, tx, rx):
- t_eth = tx[Ether]
- for p in rx:
- r_eth = p[Ether]
- self.assertEqual(t_eth.src, r_eth.src)
- self.assertEqual(t_eth.dst, r_eth.dst)
-
- def assert_has_vlan_tag(self, tag, rx):
- for p in rx:
- r_1q = p[Dot1Q]
- self.assertEqual(tag, r_1q.vlan)
-
- def assert_has_no_tag(self, rx):
- for p in rx:
- self.assertFalse(p.haslayer(Dot1Q))
-
- def test_dvr(self):
- """ Distributed Virtual Router """
-
- #
- # A packet destined to an IP address that is L2 bridged via
- # a non-tag interface
- #
- ip_non_tag_bridged = "10.10.10.10"
- ip_tag_bridged = "10.10.10.11"
- any_src_addr = "1.1.1.1"
-
- pkt_no_tag = (Ether(src=self.pg0.remote_mac,
- dst=self.loop0.local_mac) /
- IP(src=any_src_addr,
- dst=ip_non_tag_bridged) /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
- pkt_tag = (Ether(src=self.pg0.remote_mac,
- dst=self.loop0.local_mac) /
- IP(src=any_src_addr,
- dst=ip_tag_bridged) /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
-
- #
- # Two sub-interfaces so we can test VLAN tag push/pop
- #
- sub_if_on_pg2 = VppDot1QSubint(self, self.pg2, 92)
- sub_if_on_pg3 = VppDot1QSubint(self, self.pg3, 93)
- sub_if_on_pg2.admin_up()
- sub_if_on_pg3.admin_up()
-
- #
- # Put all the interfaces into a new bridge domain
- #
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg0.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg1.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.loop0.sw_if_index, bd_id=1,
- port_type=L2_PORT_TYPE.BVI)
-
- self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=sub_if_on_pg2.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=92)
- self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=sub_if_on_pg3.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=93)
-
- #
- # Add routes to bridge the traffic via a tagged an nontagged interface
- #
- route_no_tag = VppIpRoute(
- self, ip_non_tag_bridged, 32,
- [VppRoutePath("0.0.0.0",
- self.pg1.sw_if_index,
- type=FibPathType.FIB_PATH_TYPE_DVR)])
- route_no_tag.add_vpp_config()
-
- #
- # Inject the packet that arrives and leaves on a non-tagged interface
- # Since it's 'bridged' expect that the MAC headed is unchanged.
- #
- rx = self.send_and_expect(self.pg0, pkt_no_tag * NUM_PKTS, self.pg1)
- self.assert_same_mac_addr(pkt_no_tag, rx)
- self.assert_has_no_tag(rx)
-
- #
- # Add routes to bridge the traffic via a tagged interface
- #
- route_with_tag = VppIpRoute(
- self, ip_tag_bridged, 32,
- [VppRoutePath("0.0.0.0",
- sub_if_on_pg3.sw_if_index,
- type=FibPathType.FIB_PATH_TYPE_DVR)])
- route_with_tag.add_vpp_config()
-
- #
- # Inject the packet that arrives non-tag and leaves on a tagged
- # interface
- #
- rx = self.send_and_expect(self.pg0, pkt_tag * NUM_PKTS, self.pg3)
- self.assert_same_mac_addr(pkt_tag, rx)
- self.assert_has_vlan_tag(93, rx)
-
- #
- # Tag to tag
- #
- pkt_tag_to_tag = (Ether(src=self.pg2.remote_mac,
- dst=self.loop0.local_mac) /
- Dot1Q(vlan=92) /
- IP(src=any_src_addr,
- dst=ip_tag_bridged) /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
-
- rx = self.send_and_expect(self.pg2,
- pkt_tag_to_tag * NUM_PKTS,
- self.pg3)
- self.assert_same_mac_addr(pkt_tag_to_tag, rx)
- self.assert_has_vlan_tag(93, rx)
-
- #
- # Tag to non-Tag
- #
- pkt_tag_to_non_tag = (Ether(src=self.pg2.remote_mac,
- dst=self.loop0.local_mac) /
- Dot1Q(vlan=92) /
- IP(src=any_src_addr,
- dst=ip_non_tag_bridged) /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
-
- rx = self.send_and_expect(self.pg2,
- pkt_tag_to_non_tag * NUM_PKTS,
- self.pg1)
- self.assert_same_mac_addr(pkt_tag_to_tag, rx)
- self.assert_has_no_tag(rx)
-
- #
- # Add an output L3 ACL that will block the traffic
- #
- rule_1 = AclRule(is_permit=0, proto=17, ports=1234,
- src_prefix=IPv4Network((any_src_addr, 32)),
- dst_prefix=IPv4Network((ip_non_tag_bridged, 32)))
- acl = VppAcl(self, rules=[rule_1])
- acl.add_vpp_config()
-
- #
- # Apply the ACL on the output interface
- #
- acl_if1 = VppAclInterface(self, sw_if_index=self.pg1.sw_if_index,
- n_input=0, acls=[acl])
- acl_if1.add_vpp_config()
-
- #
- # Send packet's that should match the ACL and be dropped
- #
- rx = self.send_and_assert_no_replies(self.pg2,
- pkt_tag_to_non_tag * NUM_PKTS)
-
- #
- # cleanup
- #
- acl_if1.remove_vpp_config()
- acl.remove_vpp_config()
-
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg0.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.loop0.sw_if_index, bd_id=1,
- port_type=L2_PORT_TYPE.BVI, enable=0)
-
- #
- # Do a FIB dump to make sure the paths are correctly reported as DVR
- #
- routes = self.vapi.ip_route_dump(0)
-
- for r in routes:
- if (ip_tag_bridged == str(r.route.prefix.network_address)):
- self.assertEqual(r.route.paths[0].sw_if_index,
- sub_if_on_pg3.sw_if_index)
- self.assertEqual(r.route.paths[0].type,
- FibPathType.FIB_PATH_TYPE_DVR)
- if (ip_non_tag_bridged == str(r.route.prefix.network_address)):
- self.assertEqual(r.route.paths[0].sw_if_index,
- self.pg1.sw_if_index)
- self.assertEqual(r.route.paths[0].type,
- FibPathType.FIB_PATH_TYPE_DVR)
-
- #
- # the explicit route delete is require so it happens before
- # the sbu-interface delete. subinterface delete is required
- # because that object type does not use the object registry
- #
- route_no_tag.remove_vpp_config()
- route_with_tag.remove_vpp_config()
- sub_if_on_pg3.remove_vpp_config()
- sub_if_on_pg2.remove_vpp_config()
-
- def test_l2_emulation(self):
- """ L2 Emulation """
-
- #
- # non distinct L3 packets, in the tag/non-tag combos
- #
- pkt_no_tag = (Ether(src=self.pg0.remote_mac,
- dst=self.pg1.remote_mac) /
- IP(src="2.2.2.2",
- dst="1.1.1.1") /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
- pkt_to_tag = (Ether(src=self.pg0.remote_mac,
- dst=self.pg2.remote_mac) /
- IP(src="2.2.2.2",
- dst="1.1.1.2") /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
- pkt_from_tag = (Ether(src=self.pg3.remote_mac,
- dst=self.pg2.remote_mac) /
- Dot1Q(vlan=93) /
- IP(src="2.2.2.2",
- dst="1.1.1.1") /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
- pkt_from_to_tag = (Ether(src=self.pg3.remote_mac,
- dst=self.pg2.remote_mac) /
- Dot1Q(vlan=93) /
- IP(src="2.2.2.2",
- dst="1.1.1.2") /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
- pkt_bcast = (Ether(src=self.pg0.remote_mac,
- dst="ff:ff:ff:ff:ff:ff") /
- IP(src="2.2.2.2",
- dst="255.255.255.255") /
- UDP(sport=1234, dport=1234) /
- Raw(b'\xa5' * 100))
-
- #
- # A couple of sub-interfaces for tags
- #
- sub_if_on_pg2 = VppDot1QSubint(self, self.pg2, 92)
- sub_if_on_pg3 = VppDot1QSubint(self, self.pg3, 93)
- sub_if_on_pg2.admin_up()
- sub_if_on_pg3.admin_up()
-
- #
- # Put all the interfaces into a new bridge domain
- #
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg0.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg1.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1)
- self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=sub_if_on_pg2.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=92)
- self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=sub_if_on_pg3.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=93)
-
- #
- # Disable UU flooding, learning and ARP termination. makes this test
- # easier as unicast packets are dropped if not extracted.
- #
- self.vapi.bridge_flags(bd_id=1, is_set=0,
- flags=(1 << 0) | (1 << 3) | (1 << 4))
-
- #
- # Add a DVR route to steer traffic at L3
- #
- route_1 = VppIpRoute(
- self, "1.1.1.1", 32,
- [VppRoutePath("0.0.0.0",
- self.pg1.sw_if_index,
- type=FibPathType.FIB_PATH_TYPE_DVR)])
- route_2 = VppIpRoute(
- self, "1.1.1.2", 32,
- [VppRoutePath("0.0.0.0",
- sub_if_on_pg2.sw_if_index,
- type=FibPathType.FIB_PATH_TYPE_DVR)])
- route_1.add_vpp_config()
- route_2.add_vpp_config()
-
- #
- # packets are dropped because bridge does not flood unknown unicast
- #
- self.send_and_assert_no_replies(self.pg0, pkt_no_tag)
-
- #
- # Enable L3 extraction on pgs
- #
- self.vapi.l2_emulation(self.pg0.sw_if_index)
- self.vapi.l2_emulation(self.pg1.sw_if_index)
- self.vapi.l2_emulation(sub_if_on_pg2.sw_if_index)
- self.vapi.l2_emulation(sub_if_on_pg3.sw_if_index)
-
- #
- # now we expect the packet forward according to the DVR route
- #
- rx = self.send_and_expect(self.pg0, pkt_no_tag * NUM_PKTS, self.pg1)
- self.assert_same_mac_addr(pkt_no_tag, rx)
- self.assert_has_no_tag(rx)
-
- rx = self.send_and_expect(self.pg0, pkt_to_tag * NUM_PKTS, self.pg2)
- self.assert_same_mac_addr(pkt_to_tag, rx)
- self.assert_has_vlan_tag(92, rx)
-
- rx = self.send_and_expect(self.pg3, pkt_from_tag * NUM_PKTS, self.pg1)
- self.assert_same_mac_addr(pkt_from_tag, rx)
- self.assert_has_no_tag(rx)
-
- rx = self.send_and_expect(self.pg3,
- pkt_from_to_tag * NUM_PKTS,
- self.pg2)
- self.assert_same_mac_addr(pkt_from_tag, rx)
- self.assert_has_vlan_tag(92, rx)
-
- #
- # but broadcast packets are still flooded
- #
- self.send_and_expect(self.pg0, pkt_bcast * 33, self.pg2)
-
- #
- # cleanup
- #
- self.vapi.l2_emulation(self.pg0.sw_if_index,
- enable=0)
- self.vapi.l2_emulation(self.pg1.sw_if_index,
- enable=0)
- self.vapi.l2_emulation(sub_if_on_pg2.sw_if_index,
- enable=0)
- self.vapi.l2_emulation(sub_if_on_pg3.sw_if_index,
- enable=0)
-
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg0.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg2.sw_if_index, bd_id=1, enable=0)
- self.vapi.sw_interface_set_l2_bridge(
- rx_sw_if_index=sub_if_on_pg3.sw_if_index, bd_id=1, enable=0)
-
- route_1.remove_vpp_config()
- route_2.remove_vpp_config()
- sub_if_on_pg3.remove_vpp_config()
- sub_if_on_pg2.remove_vpp_config()
-
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)