diff options
Diffstat (limited to 'test/test_ipip.py')
| -rw-r--r-- | test/test_ipip.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/test/test_ipip.py b/test/test_ipip.py index 869dbaaa3af..511164f11ac 100644 --- a/test/test_ipip.py +++ b/test/test_ipip.py @@ -8,6 +8,7 @@ from framework import VppTestCase, VppTestRunner from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto from vpp_ipip_tun_interface import VppIpIpTunInterface +from vpp_nhrp import VppNhrp from vpp_papi import VppEnum from socket import AF_INET, AF_INET6, inet_pton from util import reassemble4 @@ -471,6 +472,116 @@ class TestIPIP(VppTestCase): def payload(self, len): return 'x' * len + def test_mipip4(self): + """ p2mp IPv4 tunnel Tests """ + + for itf in self.pg_interfaces: + # + # one underlay nh for each overlay/tunnel peer + # + itf.generate_remote_hosts(4) + itf.configure_ipv4_neighbors() + + # + # Create an p2mo IPIP tunnel. + # - set it admin up + # - assign an IP Addres + # - Add a route via the tunnel + # + ipip_if = VppIpIpTunInterface(self, itf, + itf.local_ip4, + "0.0.0.0", + mode=(VppEnum.vl_api_tunnel_mode_t. + TUNNEL_API_MODE_MP)) + ipip_if.add_vpp_config() + ipip_if.admin_up() + ipip_if.config_ip4() + ipip_if.generate_remote_hosts(4) + + self.logger.info(self.vapi.cli("sh adj")) + self.logger.info(self.vapi.cli("sh ip fib")) + + # + # ensure we don't match to the tunnel if the source address + # is all zeros + # + # tx = self.create_tunnel_stream_4o4(self.pg0, + # "0.0.0.0", + # itf.local_ip4, + # self.pg0.local_ip4, + # self.pg0.remote_ip4) + # self.send_and_assert_no_replies(self.pg0, tx) + + # + # for-each peer + # + for ii in range(1, 4): + route_addr = "4.4.4.%d" % ii + + # + # route traffic via the peer + # + route_via_tun = VppIpRoute( + self, route_addr, 32, + [VppRoutePath(ipip_if._remote_hosts[ii].ip4, + ipip_if.sw_if_index)]) + route_via_tun.add_vpp_config() + + # + # Add a NHRP entry resolves the peer + # + nhrp = VppNhrp(self, ipip_if, + ipip_if._remote_hosts[ii].ip4, + itf._remote_hosts[ii].ip4) + nhrp.add_vpp_config() + self.logger.info(self.vapi.cli("sh adj nbr ipip0 %s" % + ipip_if._remote_hosts[ii].ip4)) + + # + # Send a packet stream that is routed into the tunnel + # - packets are IPIP encapped + # + inner = (IP(dst=route_addr, src="5.5.5.5") / + UDP(sport=1234, dport=1234) / + Raw(b'0x44' * 100)) + tx_e = [(Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + inner) for x in range(63)] + + rxs = self.send_and_expect(self.pg0, tx_e, itf) + + for rx in rxs: + self.assertEqual(rx[IP].src, itf.local_ip4) + self.assertEqual(rx[IP].dst, itf._remote_hosts[ii].ip4) + + tx_i = [(Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + IP(src=itf._remote_hosts[ii].ip4, + dst=itf.local_ip4) / + IP(src=self.pg0.local_ip4, dst=self.pg0.remote_ip4) / + UDP(sport=1234, dport=1234) / + Raw(b'0x44' * 100)) for x in range(63)] + + self.logger.info(self.vapi.cli("sh ipip tunnel-hash")) + rx = self.send_and_expect(self.pg0, tx_i, self.pg0) + + # + # delete and re-add the NHRP + # + nhrp.remove_vpp_config() + self.send_and_assert_no_replies(self.pg0, tx_e) + self.send_and_assert_no_replies(self.pg0, tx_i) + + nhrp.add_vpp_config() + rx = self.send_and_expect(self.pg0, tx_e, itf) + for rx in rxs: + self.assertEqual(rx[IP].src, itf.local_ip4) + self.assertEqual(rx[IP].dst, itf._remote_hosts[ii].ip4) + rx = self.send_and_expect(self.pg0, tx_i, self.pg0) + + ipip_if.admin_down() + ipip_if.unconfig_ip4() + class TestIPIP6(VppTestCase): """ IPIP6 Test Case """ |