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authorAlexander Chernavin <achernavin@netgate.com>2020-02-11 09:57:09 -0500
committerOle Trøan <otroan@employees.org>2020-02-20 09:04:26 +0000
commitf145c15631ba62e798395499f83a2f8a91ae83c7 (patch)
treead1f80a1f23ced8de9100f17730cc28918d050cf /src/plugins/map/test/test_map.py
parentb728a3c8b74127e9a7decd8ecb7dc6cbefb0ab84 (diff)
map: honor pre-resolve param in map-t
With this commit, forward the translated packet directly to the specified next-hop if pre-resolve param is enabled in MAP-T. Type: fix Change-Id: Ie26080c7820318c7982599577a4af6e4d01a0574 Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
Diffstat (limited to 'src/plugins/map/test/test_map.py')
-rw-r--r--src/plugins/map/test/test_map.py83
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)