class TestDVR(VppTestCase):
- """ Distributed Virtual Router """
+ """Distributed Virtual Router"""
@classmethod
def setUpClass(cls):
self.assertFalse(p.haslayer(Dot1Q))
def test_dvr(self):
- """ Distributed Virtual Router """
+ """Distributed Virtual Router"""
#
# A packet destined to an IP address that is L2 bridged via
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))
+ 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
# 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)])
+ 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()
#
# 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)])
+ 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()
#
#
# 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)
+ 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)
+ 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)))
+ 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 = 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)
+ rx = self.send_and_assert_no_replies(self.pg2, pkt_tag_to_non_tag * NUM_PKTS)
#
# cleanup
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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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
sub_if_on_pg2.remove_vpp_config()
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff