diff options
Diffstat (limited to 'test/test_ip6_vrf_multi_instance.py')
| -rw-r--r-- | test/test_ip6_vrf_multi_instance.py | 101 |
1 files changed, 86 insertions, 15 deletions
diff --git a/test/test_ip6_vrf_multi_instance.py b/test/test_ip6_vrf_multi_instance.py index e2273877dd0..4547b38a45e 100644 --- a/test/test_ip6_vrf_multi_instance.py +++ b/test/test_ip6_vrf_multi_instance.py @@ -18,8 +18,10 @@ **verify 1** - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in VRF + - all packets received correctly in case of pg-ip6 interfaces in the same + VRF - no packet received in case of pg-ip6 interfaces not in VRF + - no packet received in case of pg-ip6 interfaces in different VRFs **config 2** - reset 2 VRFs @@ -29,8 +31,10 @@ **verify 2** - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in VRF + - all packets received correctly in case of pg-ip6 interfaces in the same + VRF - no packet received in case of pg-ip6 interfaces not in VRF + - no packet received in case of pg-ip6 interfaces in different VRFs **config 3** - add 1 of reset VRFs and 1 new VRF @@ -40,8 +44,10 @@ **verify 3** - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in VRF + - all packets received correctly in case of pg-ip6 interfaces in the same + VRF - no packet received in case of pg-ip6 interfaces not in VRF + - no packet received in case of pg-ip6 interfaces in different VRFs **config 4** - reset all VRFs (i.e. no VRF except VRF=0 created) @@ -51,8 +57,10 @@ **verify 4** - check VRF data by parsing output of ip6_fib_dump API command - - all packets received correctly in case of pg-ip6 interfaces in VRF + - all packets received correctly in case of pg-ip6 interfaces in the same + VRF - no packet received in case of pg-ip6 interfaces not in VRF + - no packet received in case of pg-ip6 interfaces in different VRFs """ import unittest @@ -136,7 +144,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Create list of pg_interfaces in VRFs cls.pg_in_vrf = list() - # Create list of pg_interfaces not in BDs + # Create list of pg_interfaces not in VRFs cls.pg_not_in_vrf = [pg_if for pg_if in cls.pg_interfaces] # Create mapping of pg_interfaces to VRF IDs @@ -170,7 +178,7 @@ class TestIP6VrfMultiInst(VppTestCase): def create_vrf_and_assign_interfaces(self, count, start=1): """ - Create required number of FIB tables / VRFs, put 3 l2-pg interfaces + Create required number of FIB tables / VRFs, put 3 pg-ip6 interfaces to every FIB table / VRF. :param int count: Number of FIB tables / VRFs to be created. @@ -257,6 +265,38 @@ class TestIP6VrfMultiInst(VppTestCase): % (src_if.name, len(pkts))) return pkts + def create_stream_crosswise_vrf(self, src_if, vrf_id, packet_sizes): + """ + Create input packet stream for negative test for leaking across + different VRFs for defined interface using hosts list. + + :param object src_if: Interface to create packet stream for. + :param int vrf_id: The FIB table / VRF ID where src_if is assigned. + :param list packet_sizes: List of required packet sizes. + :return: Stream of packets. + """ + pkts = [] + src_hosts = src_if.remote_hosts + vrf_lst = list(self.vrf_list) + vrf_lst.remove(vrf_id) + for vrf in vrf_lst: + for dst_if in self.pg_if_by_vrf_id[vrf]: + for dst_host in dst_if.remote_hosts: + src_host = random.choice(src_hosts) + pkt_info = self.create_packet_info(src_if, dst_if) + payload = self.info_to_payload(pkt_info) + p = (Ether(dst=src_if.local_mac, src=src_host.mac) / + IPv6(src=src_host.ip6, dst=dst_host.ip6) / + UDP(sport=1234, dport=1234) / + Raw(payload)) + pkt_info.data = p.copy() + size = random.choice(packet_sizes) + self.extend_packet(p, size) + pkts.append(p) + self.logger.debug("Input stream created for port %s. Length: %u pkt(s)" + % (src_if.name, len(pkts))) + return pkts + def verify_capture(self, pg_if, capture): """ Verify captured input packet stream for defined interface. @@ -336,16 +376,15 @@ class TestIP6VrfMultiInst(VppTestCase): def run_verify_test(self): """ - Create packet streams for all configured l2-pg interfaces, send all \ + Create packet streams for all configured pg interfaces, send all \ prepared packet streams and verify that: - - all packets received correctly on all pg-l2 interfaces assigned - to bridge domains - - no packet received on all pg-l2 interfaces not assigned to bridge - domains - - :raise RuntimeError: If no packet captured on l2-pg interface assigned - to the bridge domain or if any packet is captured on l2-pg - interface not assigned to the bridge domain. + - all packets received correctly on all pg-ip6 interfaces assigned + to VRFs + - no packet received on all pg-ip6 interfaces not assigned to VRFs + + :raise RuntimeError: If no packet captured on pg-ip6 interface assigned + to VRF or if any packet is captured on pg-ip6 interface not + assigned to VRF. """ # Test # Create incoming packet streams for packet-generator interfaces @@ -370,6 +409,34 @@ class TestIP6VrfMultiInst(VppTestCase): else: raise Exception("Unknown interface: %s" % pg_if.name) + def run_crosswise_vrf_test(self): + """ + Create packet streams for every pg-ip6 interface in VRF towards all + pg-ip6 interfaces in other VRFs, send all prepared packet streams and \ + verify that: + - no packet received on all configured pg-ip6 interfaces + + :raise RuntimeError: If any packet is captured on any pg-ip6 interface. + """ + # Test + # Create incoming packet streams for packet-generator interfaces + for vrf_id in self.vrf_list: + for pg_if in self.pg_if_by_vrf_id[vrf_id]: + pkts = self.create_stream_crosswise_vrf( + pg_if, vrf_id, self.pg_if_packet_sizes) + pg_if.add_stream(pkts) + + # Enable packet capture and start packet sending + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + # Verify + # Verify outgoing packet streams per packet-generator interface + for pg_if in self.pg_interfaces: + pg_if.assert_nothing_captured(remark="interface is in other VRF", + filter_out_fn=is_ipv6_misc_ext) + self.logger.debug("No capture for interface %s" % pg_if.name) + def test_ip6_vrf_01(self): """ IP6 VRF Multi-instance test 1 - create 4 VRFs """ @@ -384,6 +451,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Test 1 self.run_verify_test() + self.run_crosswise_vrf_test() def test_ip6_vrf_02(self): """ IP6 VRF Multi-instance test 2 - reset 2 VRFs @@ -403,6 +471,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Test 2 self.run_verify_test() + self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery for vrf_id in self.vrf_reset_list: @@ -426,6 +495,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Test 3 self.run_verify_test() + self.run_crosswise_vrf_test() # Reset routes learned from ICMPv6 Neighbor Discovery for vrf_id in self.vrf_reset_list: @@ -450,6 +520,7 @@ class TestIP6VrfMultiInst(VppTestCase): # Test 4 self.run_verify_test() + self.run_crosswise_vrf_test() if __name__ == '__main__': |