diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_srv6.py | 145 | ||||
| -rw-r--r-- | test/vpp_papi_provider.py | 10 |
2 files changed, 155 insertions, 0 deletions
diff --git a/test/test_srv6.py b/test/test_srv6.py index a31b30eb619..4a2ef016039 100644 --- a/test/test_srv6.py +++ b/test/test_srv6.py @@ -1,6 +1,7 @@ #!/usr/bin/env python import unittest +import binascii from socket import AF_INET6 from framework import VppTestCase, VppTestRunner @@ -1165,6 +1166,150 @@ class TestSRv6(VppTestCase): # cleanup interfaces self.teardown_interfaces() + def test_SRv6_T_Insert_Classifier(self): + """ Test SRv6 Transit.Insert behavior (IPv6 only). + steer packets using the classifier + """ + # send traffic to one destination interface + # source and destination are IPv6 only + self.setup_interfaces(ipv6=[False, False, False, True, True]) + + # configure FIB entries + route = VppIpRoute(self, "a4::", 64, + [VppRoutePath(self.pg4.remote_ip6, + self.pg4.sw_if_index, + proto=DpoProto.DPO_PROTO_IP6)], + is_ip6=1) + route.add_vpp_config() + + # configure encaps IPv6 source address + # needs to be done before SR Policy config + # TODO: API? + self.vapi.cli("set sr encaps source addr a3::") + + bsid = 'a3::9999:1' + # configure SRv6 Policy + # Note: segment list order: first -> last + sr_policy = VppSRv6Policy( + self, bsid=bsid, + is_encap=0, + sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT, + weight=1, fib_table=0, + segments=['a4::', 'a5::', 'a6::c7'], + source='a3::') + sr_policy.add_vpp_config() + self.sr_policy = sr_policy + + # log the sr policies + self.logger.info(self.vapi.cli("show sr policies")) + + # add classify table + # mask on dst ip address prefix a7::/8 + mask = '{:0<16}'.format('ff') + r = self.vapi.classify_add_del_table( + 1, + binascii.unhexlify(mask), + match_n_vectors=(len(mask) - 1) // 32 + 1, + current_data_flag=1, + skip_n_vectors=2) # data offset + self.assertIsNotNone(r, msg='No response msg for add_del_table') + table_index = r.new_table_index + + # add the source routign node as a ip6 inacl netxt node + r = self.vapi.add_node_next('ip6-inacl', + 'sr-pl-rewrite-insert') + inacl_next_node_index = r.node_index + + match = '{:0<16}'.format('a7') + r = self.vapi.classify_add_del_session( + 1, + table_index, + binascii.unhexlify(match), + hit_next_index=inacl_next_node_index, + action=3, + metadata=0) # sr policy index + self.assertIsNotNone(r, msg='No response msg for add_del_session') + + # log the classify table used in the steering policy + self.logger.info(self.vapi.cli("show classify table")) + + r = self.vapi.input_acl_set_interface( + is_add=1, + sw_if_index=self.pg3.sw_if_index, + ip6_table_index=table_index) + self.assertIsNotNone(r, + msg='No response msg for input_acl_set_interface') + + # log the ip6 inacl + self.logger.info(self.vapi.cli("show inacl type ip6")) + + # create packets + count = len(self.pg_packet_sizes) + dst_inner = 'a7::1234' + pkts = [] + + # create IPv6 packets without SRH + packet_header = self.create_packet_header_IPv6(dst_inner) + # create traffic stream pg3->pg4 + pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header, + self.pg_packet_sizes, count)) + + # create IPv6 packets with SRH + # packets with segments-left 1, active segment a7:: + packet_header = self.create_packet_header_IPv6_SRH( + sidlist=['a8::', 'a7::', 'a6::'], + segleft=1) + # create traffic stream pg3->pg4 + pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header, + self.pg_packet_sizes, count)) + + # send packets and verify received packets + self.send_and_verify_pkts(self.pg3, pkts, self.pg4, + self.compare_rx_tx_packet_T_Insert) + + # remove the interface l2 input feature + r = self.vapi.input_acl_set_interface( + is_add=0, + sw_if_index=self.pg3.sw_if_index, + ip6_table_index=table_index) + self.assertIsNotNone(r, + msg='No response msg for input_acl_set_interface') + + # log the ip6 inacl after cleaning + self.logger.info(self.vapi.cli("show inacl type ip6")) + + # log the localsid counters + self.logger.info(self.vapi.cli("show sr localsid")) + + # remove classifier SR steering + # classifier_steering.remove_vpp_config() + self.logger.info(self.vapi.cli("show sr steering policies")) + + # remove SR Policies + self.sr_policy.remove_vpp_config() + self.logger.info(self.vapi.cli("show sr policies")) + + # remove classify session and table + r = self.vapi.classify_add_del_session( + 0, + table_index, + binascii.unhexlify(match)) + self.assertIsNotNone(r, msg='No response msg for add_del_session') + + r = self.vapi.classify_add_del_table( + 0, + binascii.unhexlify(mask), + table_index=table_index) + self.assertIsNotNone(r, msg='No response msg for add_del_table') + + self.logger.info(self.vapi.cli("show classify table")) + + # remove FIB entries + # done by tearDown + + # cleanup interfaces + self.teardown_interfaces() + def compare_rx_tx_packet_T_Encaps(self, tx_pkt, rx_pkt): """ Compare input and output packet after passing T.Encaps diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py index 893ef0d89b9..66126c599ae 100644 --- a/test/vpp_papi_provider.py +++ b/test/vpp_papi_provider.py @@ -2753,3 +2753,13 @@ class VppPapiProvider(object): return self.api( self.papi.bier_disp_entry_dump, {'bde_tbl_id': bdti}) + + def add_node_next(self, node_name, next_name): + """ Set the next node for a given node request + + :param node_name: + :param next_name: + """ + return self.api(self.papi.add_node_next, + {'node_name': node_name, + 'next_name': next_name}) |