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authorJon Loeliger <jdl@netgate.com>2020-01-30 10:54:58 -0600
committerPaul Vinciguerra <pvinci@vinciconsulting.com>2020-01-30 21:04:33 +0000
commit47c995063ea079dc647a16592b4dd17c8214aad6 (patch)
treeb1870788dac64e98a0cb8076fc4907aec9cc3929
parentc25048bd05a319511aa7386f75e1fae2b2a623c4 (diff)
map: Add several more MAP-T BR tests
Add several more MAP-T BR tests for normal packet flow. Type: test Change-Id: Ica880dd23c923795279e9d08dca2796f2925069a Signed-off-by: Jon Loeliger <jdl@netgate.com>
-rw-r--r--src/plugins/map/test/test_map_br.py302
1 files changed, 294 insertions, 8 deletions
diff --git a/src/plugins/map/test/test_map_br.py b/src/plugins/map/test/test_map_br.py
index 7869e5f24f1..3d30216b6db 100644
--- a/src/plugins/map/test/test_map_br.py
+++ b/src/plugins/map/test/test_map_br.py
@@ -78,7 +78,9 @@ class TestMAPBR(VppTestCase):
self.ipv6_map_address = (
"2001:db8:ffff:ff00:ac:1001:200:0") # 176.16.1.2
self.ipv6_map_same_rule_diff_addr = (
- "2001:db8:ffff:ff00:c6:1200:10:0") # 198.18.0.16
+ "2001:db8:ffff:ff00:c6:1200:1000:0") # 198.18.0.16
+ self.ipv6_map_same_rule_same_addr = (
+ "2001:db8:ffff:ff00:c6:1200:c00:0") # 198.18.0.12
self.map_br_prefix = "2001:db8:f0::"
self.map_br_prefix_len = 48
@@ -94,13 +96,6 @@ class TestMAPBR(VppTestCase):
self.pg1.sw_if_index)])
map_route.add_vpp_config()
- ip4_map_route = VppIpRoute(self,
- "198.18.0.0",
- 24,
- [VppRoutePath(self.pg1.remote_ip4,
- self.pg1.sw_if_index)])
- ip4_map_route.add_vpp_config()
-
#
# Add a MAP BR domain that maps from pg0 to pg1.
#
@@ -143,6 +138,253 @@ class TestMAPBR(VppTestCase):
i.unconfig_ip6()
i.admin_down()
+ def v4_address_check(self, pkt):
+ self.assertEqual(pkt[IP].src, self.ipv4_map_address)
+ self.assertEqual(pkt[IP].dst, self.ipv4_internet_address)
+
+ def v4_port_check(self, pkt, proto):
+ self.assertEqual(pkt[proto].sport, self.ipv4_udp_or_tcp_map_port)
+ self.assertEqual(pkt[proto].dport, self.ipv4_udp_or_tcp_internet_port)
+
+ def v6_address_check(self, pkt):
+ self.assertEqual(pkt[IPv6].src, self.ipv6_map_address)
+ self.assertEqual(pkt[IPv6].dst, self.ipv6_cpe_address)
+
+ def v6_port_check(self, pkt, proto):
+ self.assertEqual(pkt[proto].sport, self.ipv6_udp_or_tcp_internet_port)
+ self.assertEqual(pkt[proto].dport, self.ipv6_udp_or_tcp_map_port)
+
+ #
+ # Normal translation of UDP packets v4 -> v6 direction
+ # Send 128 frame size packet for IPv4/UDP.
+ # Received packet should be translated into IPv6 packet with no
+ # fragment header.
+ #
+
+ def test_map_t_udp_ip4_to_ip6(self):
+ """ MAP-T UDP IPv4 -> IPv6 """
+
+ eth = Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac)
+ ip = IP(src=self.pg0.remote_ip4,
+ dst=self.ipv4_map_address,
+ tos=0)
+ udp = UDP(sport=self.ipv4_udp_or_tcp_internet_port,
+ dport=self.ipv4_udp_or_tcp_map_port)
+ payload = "a" * 82
+ tx_pkt = eth / ip / udp / payload
+
+ self.pg_send(self.pg0, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.v6_address_check(rx_pkt)
+ self.v6_port_check(rx_pkt, UDP)
+ self.assertEqual(rx_pkt[IPv6].tc, 0) # IPv4 ToS passed to v6 TC
+ self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="UDP").nh)
+
+ #
+ # Normal translation of TCP packets v4 -> v6 direction.
+ # Send 128 frame size packet for IPv4/TCP.
+ # Received packet should be translated into IPv6 packet with no
+ # fragment header.
+ #
+
+ def test_map_t_tcp_ip4_to_ip6(self):
+ """ MAP-T TCP IPv4 -> IPv6 """
+
+ eth = Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac)
+ ip = IP(src=self.pg0.remote_ip4,
+ dst=self.ipv4_map_address,
+ tos=0)
+ tcp = TCP(sport=self.ipv4_udp_or_tcp_internet_port,
+ dport=self.ipv4_udp_or_tcp_map_port)
+ payload = "a" * 82
+ tx_pkt = eth / ip / tcp / payload
+
+ self.pg_send(self.pg0, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.v6_address_check(rx_pkt)
+ self.v6_port_check(rx_pkt, TCP)
+ self.assertEqual(rx_pkt[IPv6].tc, 0) # IPv4 ToS passed to v6 TC
+ self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="TCP").nh)
+
+ #
+ # Normal translation of UDP packets v6 -> v4 direction
+ # Send 128 frame size packet for IPv6/UDP.
+ # Received packet should be translated into an IPv4 packet with DF=1.
+ #
+
+ def test_map_t_udp_ip6_to_ip4(self):
+ """ MAP-T UDP IPv6 -> IPv4 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_address)
+ udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+ dport=self.ipv6_udp_or_tcp_internet_port)
+ payload = "a" * 82
+ tx_pkt = eth / ip / udp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg0.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.v4_address_check(rx_pkt)
+ self.v4_port_check(rx_pkt, UDP)
+ self.assertEqual(rx_pkt[IP].proto, IP(proto="udp").proto)
+ self.assertEqual(rx_pkt[IP].tos, 0) # IPv6 TC passed to v4 ToS
+ df_bit = IP(flags="DF").flags
+ self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit)
+
+ #
+ # Normal translation of TCP packets v6 -> v4 direction
+ # Send 128 frame size packet for IPv6/TCP.
+ # Received packet should be translated into an IPv4 packet with DF=1
+ #
+
+ def test_map_t_tcp_ip6_to_ip4(self):
+ """ MAP-T TCP IPv6 -> IPv4 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_address)
+ tcp = TCP(sport=self.ipv6_udp_or_tcp_map_port,
+ dport=self.ipv6_udp_or_tcp_internet_port)
+ payload = "a" * 82
+ tx_pkt = eth / ip / tcp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg0.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.v4_address_check(rx_pkt)
+ self.v4_port_check(rx_pkt, TCP)
+ self.assertEqual(rx_pkt[IP].proto, IP(proto="tcp").proto)
+ self.assertEqual(rx_pkt[IP].tos, 0) # IPv6 TC passed to v4 ToS
+ df_bit = IP(flags="DF").flags
+ self.assertNotEqual(rx_pkt[IP].flags & df_bit, df_bit)
+
+ #
+ # Translation of ICMP Echo Request v4 -> v6 direction
+ # Received packet should be translated into an IPv6 Echo Request.
+ #
+
+ def test_map_t_echo_request_ip4_to_ip6(self):
+ """ MAP-T echo request IPv4 -> IPv6 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IP(src=self.pg0.remote_ip4,
+ dst=self.ipv4_map_address)
+ icmp = ICMP(type="echo-request",
+ id=self.ipv6_udp_or_tcp_map_port)
+ payload = "H" * 10
+ tx_pkt = eth / ip / icmp / payload
+
+ self.pg_send(self.pg0, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
+ self.assertEqual(rx_pkt[ICMPv6EchoRequest].type,
+ ICMPv6EchoRequest(type="Echo Request").type)
+ self.assertEqual(rx_pkt[ICMPv6EchoRequest].code, 0)
+ self.assertEqual(rx_pkt[ICMPv6EchoRequest].id,
+ self.ipv6_udp_or_tcp_map_port)
+
+ #
+ # Translation of ICMP Echo Reply v4 -> v6 direction
+ # Received packet should be translated into an IPv6 Echo Reply.
+ #
+
+ def test_map_t_echo_reply_ip4_to_ip6(self):
+ """ MAP-T echo reply IPv4 -> IPv6 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IP(src=self.pg0.remote_ip4,
+ dst=self.ipv4_map_address)
+ icmp = ICMP(type="echo-reply",
+ id=self.ipv6_udp_or_tcp_map_port)
+ payload = "H" * 10
+ tx_pkt = eth / ip / icmp / payload
+
+ self.pg_send(self.pg0, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
+ self.assertEqual(rx_pkt[ICMPv6EchoReply].type,
+ ICMPv6EchoReply(type="Echo Reply").type)
+ self.assertEqual(rx_pkt[ICMPv6EchoReply].code, 0)
+ self.assertEqual(rx_pkt[ICMPv6EchoReply].id,
+ self.ipv6_udp_or_tcp_map_port)
+
+ #
+ # Translation of ICMP Echo Request v6 -> v4 direction
+ # Received packet should be translated into an IPv4 Echo Request.
+ #
+
+ def test_map_t_echo_request_ip6_to_ip4(self):
+ """ MAP-T echo request IPv6 -> IPv4 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_address)
+ icmp = ICMPv6EchoRequest()
+ icmp.id = self.ipv6_udp_or_tcp_map_port
+ payload = "H" * 10
+ tx_pkt = eth / ip / icmp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg0.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+ self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-request").type)
+ self.assertEqual(rx_pkt[ICMP].code, 0)
+ self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port)
+
+ #
+ # Translation of ICMP Echo Reply v6 -> v4 direction
+ # Received packet should be translated into an IPv4 Echo Reply.
+ #
+
+ def test_map_t_echo_reply_ip6_to_ip4(self):
+ """ MAP-T echo reply IPv6 -> IPv4 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_address)
+ icmp = ICMPv6EchoReply(id=self.ipv6_udp_or_tcp_map_port)
+ payload = "H" * 10
+ tx_pkt = eth / ip / icmp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg0.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
+ self.assertEqual(rx_pkt[ICMP].type, ICMP(type="echo-reply").type)
+ self.assertEqual(rx_pkt[ICMP].code, 0)
+ self.assertEqual(rx_pkt[ICMP].id, self.ipv6_udp_or_tcp_map_port)
+
#
# Spoofed IPv4 Source Address v6 -> v4 direction
# Send a packet with a wrong IPv4 address embedded in bits 72-103.
@@ -261,5 +503,49 @@ class TestMAPBR(VppTestCase):
self.pg0.get_capture(0, timeout=1)
self.pg0.assert_nothing_captured("Should drop IPv6 spoof port PSID")
+ #
+ # Map to Map - same rule, different address
+ #
+
+ @unittest.skip("Fixme: correct behavior needs clarification")
+ def test_map_t_same_rule_diff_addr_ip6_to_ip4(self):
+ """ MAP-T same rule, diff addr IPv6 -> IPv6 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_same_rule_diff_addr)
+ udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+ dport=1025)
+ payload = "a" * 82
+ tx_pkt = eth / ip / udp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
+ #
+ # Map to Map - same rule, same address
+ #
+
+ @unittest.skip("Fixme: correct behavior needs clarification")
+ def test_map_t_same_rule_same_addr_ip6_to_ip4(self):
+ """ MAP-T same rule, same addr IPv6 -> IPv6 """
+
+ eth = Ether(src=self.pg1.remote_mac,
+ dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_cpe_address,
+ dst=self.ipv6_map_same_rule_same_addr)
+ udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
+ dport=1025)
+ payload = "a" * 82
+ tx_pkt = eth / ip / udp / payload
+
+ self.pg_send(self.pg1, tx_pkt * 1)
+
+ rx_pkts = self.pg1.get_capture(1)
+ rx_pkt = rx_pkts[0]
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)