diff options
Diffstat (limited to 'src/plugins/map/test/test_map.py')
| -rw-r--r-- | src/plugins/map/test/test_map.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/plugins/map/test/test_map.py b/src/plugins/map/test/test_map.py index c64341bfc19..fd8b1685f71 100644 --- a/src/plugins/map/test/test_map.py +++ b/src/plugins/map/test/test_map.py @@ -37,6 +37,8 @@ class TestMAP(VppTestCase): self.pg0.admin_up() self.pg0.config_ip4() self.pg0.resolve_arp() + self.pg0.generate_remote_hosts(2) + self.pg0.configure_ipv4_neighbors() # pg1 is 'outside' IPv6 self.pg1.admin_up() @@ -777,5 +779,86 @@ class TestMAP(VppTestCase): p6 = (p_ether6 / p_ip6 / payload) self.send_and_assert_no_replies(self.pg1, p6*1) + def test_map_t_pre_resolve(self): + """ MAP-T pre-resolve""" + + # Add a domain that maps from pg0 to pg1 + map_dst = '2001:db8::/32' + map_src = '1234:5678:90ab:cdef::/64' + ip4_pfx = '192.168.0.0/24' + tag = 'MAP-T Test Domain.' + + self.vapi.map_add_domain(ip6_prefix=map_dst, + ip4_prefix=ip4_pfx, + ip6_src=map_src, + ea_bits_len=16, + psid_offset=6, + psid_length=4, + mtu=1500, + tag=tag) + + # Enable MAP-T on interfaces. + self.vapi.map_if_enable_disable(is_enable=1, + sw_if_index=self.pg0.sw_if_index, + is_translation=1) + self.vapi.map_if_enable_disable(is_enable=1, + sw_if_index=self.pg1.sw_if_index, + is_translation=1) + + # Enable pre-resolve option + self.vapi.map_param_add_del_pre_resolve(ip4_nh_address="10.1.2.3", + ip6_nh_address="4001::1", + is_add=1) + + # Add a route to 4001::1 and expect the translated traffic to be + # sent via that route next-hop. + pre_res_route6 = VppIpRoute(self, "4001::1", 128, + [VppRoutePath(self.pg1.remote_hosts[2].ip6, + self.pg1.sw_if_index)]) + pre_res_route6.add_vpp_config() + + # Add a route to 10.1.2.3 and expect the "untranslated" traffic to be + # sent via that route next-hop. + pre_res_route4 = VppIpRoute(self, "10.1.2.3", 32, + [VppRoutePath(self.pg0.remote_hosts[1].ip4, + self.pg0.sw_if_index)]) + pre_res_route4.add_vpp_config() + + # Send an IPv4 packet that will be translated + p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1') + payload = TCP(sport=0xabcd, dport=0xabcd) + p4 = (p_ether / p_ip4 / payload) + + p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0", + dst="2001:db8:1f0::c0a8:1:f") / payload) + p6_translated.hlim -= 1 + + rx = self.send_and_expect(self.pg0, p4*1, self.pg1) + for p in rx: + self.assertEqual(p[Ether].dst, self.pg1.remote_hosts[2].mac) + self.validate(p[1], p6_translated) + + # Send back an IPv6 packet that will be "untranslated" + p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f', + dst='1234:5678:90ab:cdef:ac:1001:200:0') + p6 = (p_ether6 / p_ip6 / payload) + + p4_translated = (IP(src='192.168.0.1', + dst=self.pg0.remote_ip4) / payload) + p4_translated.id = 0 + p4_translated.ttl -= 1 + + rx = self.send_and_expect(self.pg1, p6*1, self.pg0) + for p in rx: + self.assertEqual(p[Ether].dst, self.pg0.remote_hosts[1].mac) + self.validate(p[1], p4_translated) + + # Cleanup pre-resolve option + self.vapi.map_param_add_del_pre_resolve(ip4_nh_address="10.1.2.3", + ip6_nh_address="4001::1", + is_add=0) + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |