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-rw-r--r--test/test_map_br.py421
1 files changed, 195 insertions, 226 deletions
diff --git a/test/test_map_br.py b/test/test_map_br.py
index 3fe5c83ab75..ae09e9b7d7a 100644
--- a/test/test_map_br.py
+++ b/test/test_map_br.py
@@ -17,7 +17,7 @@ from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply, IPerror6
class TestMAPBR(VppTestCase):
- """ MAP-T Test Cases """
+ """MAP-T Test Cases"""
@classmethod
def setUpClass(cls):
@@ -51,36 +51,37 @@ class TestMAPBR(VppTestCase):
#
# BR configuration parameters used for all test.
#
- self.ip4_prefix = '198.18.0.0/24'
- self.ip6_prefix = '2001:db8:f0::/48'
- self.ip6_src = '2001:db8:ffff:ff00::/64'
+ self.ip4_prefix = "198.18.0.0/24"
+ self.ip6_prefix = "2001:db8:f0::/48"
+ self.ip6_src = "2001:db8:ffff:ff00::/64"
self.ea_bits_len = 12
self.psid_offset = 6
self.psid_length = 4
self.mtu = 1500
- self.tag = 'MAP-T BR'
+ self.tag = "MAP-T BR"
self.ipv4_internet_address = self.pg0.remote_ip4
self.ipv4_map_address = "198.18.0.12"
self.ipv4_udp_or_tcp_internet_port = 65000
self.ipv4_udp_or_tcp_map_port = 16606
- self.ipv6_cpe_address = "2001:db8:f0:c30:0:c612:c:3" # 198.18.0.12
- self.ipv6_spoof_address = "2001:db8:f0:c30:0:c612:1c:3" # 198.18.0.28
- self.ipv6_spoof_prefix = "2001:db8:f0:c30:0:a00:c:3" # 10.0.0.12
- self.ipv6_spoof_psid = "2001:db8:f0:c30:0:c612:c:4" # 4
- self.ipv6_spoof_subnet = "2001:db8:f1:c30:0:c612:c:3" # f1
+ self.ipv6_cpe_address = "2001:db8:f0:c30:0:c612:c:3" # 198.18.0.12
+ self.ipv6_spoof_address = "2001:db8:f0:c30:0:c612:1c:3" # 198.18.0.28
+ self.ipv6_spoof_prefix = "2001:db8:f0:c30:0:a00:c:3" # 10.0.0.12
+ self.ipv6_spoof_psid = "2001:db8:f0:c30:0:c612:c:4" # 4
+ self.ipv6_spoof_subnet = "2001:db8:f1:c30:0:c612:c:3" # f1
self.ipv6_udp_or_tcp_internet_port = 65000
self.ipv6_udp_or_tcp_map_port = 16606
self.ipv6_udp_or_tcp_spoof_port = 16862
- self.ipv6_map_address = (
- "2001:db8:ffff:ff00:ac:1001:200:0") # 176.16.1.2
+ 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:c6:1200:1000:0") # 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
+ "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
@@ -89,24 +90,27 @@ class TestMAPBR(VppTestCase):
#
# Add an IPv6 route to the MAP-BR.
#
- map_route = VppIpRoute(self,
- self.map_br_prefix,
- self.map_br_prefix_len,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ map_route = VppIpRoute(
+ self,
+ self.map_br_prefix,
+ self.map_br_prefix_len,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)],
+ )
map_route.add_vpp_config()
#
# Add a MAP BR domain that maps from pg0 to pg1.
#
- self.vapi.map_add_domain(ip4_prefix=self.ip4_prefix,
- ip6_prefix=self.ip6_prefix,
- ip6_src=self.ip6_src,
- ea_bits_len=self.ea_bits_len,
- psid_offset=self.psid_offset,
- psid_length=self.psid_length,
- mtu=self.mtu,
- tag=self.tag)
+ self.vapi.map_add_domain(
+ ip4_prefix=self.ip4_prefix,
+ ip6_prefix=self.ip6_prefix,
+ ip6_src=self.ip6_src,
+ ea_bits_len=self.ea_bits_len,
+ psid_offset=self.psid_offset,
+ psid_length=self.psid_length,
+ mtu=self.mtu,
+ tag=self.tag,
+ )
#
# Set BR parameters.
@@ -119,17 +123,17 @@ class TestMAPBR(VppTestCase):
#
# 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.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)
+ self.vapi.map_if_enable_disable(
+ is_enable=1, sw_if_index=self.pg1.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)
+ self.vapi.map_if_enable_disable(
+ is_enable=1, sw_if_index=self.pg1.sw_if_index, is_translation=1
+ )
def tearDown(self):
super(TestMAPBR, self).tearDown()
@@ -162,15 +166,14 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -181,7 +184,7 @@ class TestMAPBR(VppTestCase):
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].tc, 0) # IPv4 ToS passed to v6 TC
self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="UDP").nh)
#
@@ -192,15 +195,14 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -211,7 +213,7 @@ class TestMAPBR(VppTestCase):
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].tc, 0) # IPv4 ToS passed to v6 TC
self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="TCP").nh)
#
@@ -221,14 +223,14 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -240,7 +242,7 @@ class TestMAPBR(VppTestCase):
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
+ 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)
@@ -251,14 +253,14 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -270,7 +272,7 @@ class TestMAPBR(VppTestCase):
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
+ 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)
@@ -280,14 +282,11 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -297,11 +296,11 @@ class TestMAPBR(VppTestCase):
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].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)
+ self.assertEqual(rx_pkt[ICMPv6EchoRequest].id, self.ipv6_udp_or_tcp_map_port)
#
# Translation of ICMP Echo Reply v4 -> v6 direction
@@ -309,14 +308,11 @@ class TestMAPBR(VppTestCase):
#
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)
+ """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
@@ -326,11 +322,11 @@ class TestMAPBR(VppTestCase):
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].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)
+ self.assertEqual(rx_pkt[ICMPv6EchoReply].id, self.ipv6_udp_or_tcp_map_port)
#
# Translation of ICMP Time Exceeded v4 -> v6 direction
@@ -338,17 +334,16 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_time_exceeded_ip4_to_ip6(self):
- """ MAP-T time exceeded IPv4 -> IPv6 """
+ """MAP-T time exceeded 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)
+ eth = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ ip = IP(src=self.pg0.remote_ip4, dst=self.ipv4_map_address)
icmp = ICMP(type="time-exceeded", code="ttl-zero-during-transit")
- ip_inner = IP(dst=self.pg0.remote_ip4,
- src=self.ipv4_map_address, ttl=1)
- udp_inner = UDP(sport=self.ipv4_udp_or_tcp_map_port,
- dport=self.ipv4_udp_or_tcp_internet_port)
+ ip_inner = IP(dst=self.pg0.remote_ip4, src=self.ipv4_map_address, ttl=1)
+ udp_inner = UDP(
+ sport=self.ipv4_udp_or_tcp_map_port,
+ dport=self.ipv4_udp_or_tcp_internet_port,
+ )
payload = "H" * 10
tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
@@ -359,19 +354,18 @@ class TestMAPBR(VppTestCase):
self.v6_address_check(rx_pkt)
self.assertEqual(rx_pkt[IPv6].nh, IPv6(nh="ICMPv6").nh)
- self.assertEqual(rx_pkt[ICMPv6TimeExceeded].type,
- ICMPv6TimeExceeded().type)
- self.assertEqual(rx_pkt[ICMPv6TimeExceeded].code,
- ICMPv6TimeExceeded(
- code="hop limit exceeded in transit").code)
+ self.assertEqual(rx_pkt[ICMPv6TimeExceeded].type, ICMPv6TimeExceeded().type)
+ self.assertEqual(
+ rx_pkt[ICMPv6TimeExceeded].code,
+ ICMPv6TimeExceeded(code="hop limit exceeded in transit").code,
+ )
self.assertEqual(rx_pkt[ICMPv6TimeExceeded].hlim, tx_pkt[IP][1].ttl)
self.assertTrue(rx_pkt.haslayer(IPerror6))
self.assertTrue(rx_pkt.haslayer(UDPerror))
self.assertEqual(rx_pkt[IPv6].src, rx_pkt[IPerror6].dst)
self.assertEqual(rx_pkt[IPv6].dst, rx_pkt[IPerror6].src)
self.assertEqual(rx_pkt[UDPerror].sport, self.ipv6_udp_or_tcp_map_port)
- self.assertEqual(rx_pkt[UDPerror].dport,
- self.ipv6_udp_or_tcp_internet_port)
+ self.assertEqual(rx_pkt[UDPerror].dport, self.ipv6_udp_or_tcp_internet_port)
#
# Translation of ICMP Echo Request v6 -> v4 direction
@@ -379,12 +373,10 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_echo_request_ip6_to_ip4(self):
- """ MAP-T echo request IPv6 -> IPv4 """
+ """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)
+ 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
@@ -406,12 +398,10 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_echo_reply_ip6_to_ip4(self):
- """ MAP-T echo reply IPv6 -> IPv4 """
+ """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)
+ 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
@@ -432,17 +422,16 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_packet_too_big_ip6_to_ip4(self):
- """ MAP-T packet too big IPv6 -> IPv4 """
+ """MAP-T packet too big 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)
+ 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 = ICMPv6PacketTooBig(mtu=1280)
- ip_inner = IPv6(src=self.ipv6_map_address,
- dst=self.ipv6_cpe_address)
- udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port,
- dport=self.ipv6_udp_or_tcp_map_port)
+ ip_inner = IPv6(src=self.ipv6_map_address, dst=self.ipv6_cpe_address)
+ udp_inner = UDP(
+ sport=self.ipv6_udp_or_tcp_internet_port,
+ dport=self.ipv6_udp_or_tcp_map_port,
+ )
payload = "H" * 10
tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
@@ -454,16 +443,13 @@ class TestMAPBR(VppTestCase):
self.v4_address_check(rx_pkt)
self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
self.assertEqual(rx_pkt[ICMP].type, ICMP(type="dest-unreach").type)
- self.assertEqual(rx_pkt[ICMP].code,
- ICMP(code="fragmentation-needed").code)
- self.assertEqual(rx_pkt[ICMP].nexthopmtu,
- tx_pkt[ICMPv6PacketTooBig].mtu - 20)
+ self.assertEqual(rx_pkt[ICMP].code, ICMP(code="fragmentation-needed").code)
+ self.assertEqual(rx_pkt[ICMP].nexthopmtu, tx_pkt[ICMPv6PacketTooBig].mtu - 20)
self.assertTrue(rx_pkt.haslayer(IPerror))
self.assertTrue(rx_pkt.haslayer(UDPerror))
self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst)
self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src)
- self.assertEqual(rx_pkt[UDPerror].sport,
- self.ipv4_udp_or_tcp_internet_port)
+ self.assertEqual(rx_pkt[UDPerror].sport, self.ipv4_udp_or_tcp_internet_port)
self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port)
#
@@ -472,17 +458,16 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_time_exceeded_ip6_to_ip4(self):
- """ MAP-T time exceeded IPv6 -> IPv4 """
+ """MAP-T time exceeded 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)
+ 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 = ICMPv6TimeExceeded()
- ip_inner = IPv6(src=self.ipv6_map_address,
- dst=self.ipv6_cpe_address, hlim=1)
- udp_inner = UDP(sport=self.ipv6_udp_or_tcp_internet_port,
- dport=self.ipv6_udp_or_tcp_map_port)
+ ip_inner = IPv6(src=self.ipv6_map_address, dst=self.ipv6_cpe_address, hlim=1)
+ udp_inner = UDP(
+ sport=self.ipv6_udp_or_tcp_internet_port,
+ dport=self.ipv6_udp_or_tcp_map_port,
+ )
payload = "H" * 10
tx_pkt = eth / ip / icmp / ip_inner / udp_inner / payload
@@ -494,15 +479,13 @@ class TestMAPBR(VppTestCase):
self.v4_address_check(rx_pkt)
self.assertEqual(rx_pkt[IP].proto, IP(proto="icmp").proto)
self.assertEqual(rx_pkt[ICMP].type, ICMP(type="time-exceeded").type)
- self.assertEqual(rx_pkt[ICMP].code,
- ICMP(code="ttl-zero-during-transit").code)
+ self.assertEqual(rx_pkt[ICMP].code, ICMP(code="ttl-zero-during-transit").code)
self.assertEqual(rx_pkt[ICMP].ttl, tx_pkt[IPv6][1].hlim)
self.assertTrue(rx_pkt.haslayer(IPerror))
self.assertTrue(rx_pkt.haslayer(UDPerror))
self.assertEqual(rx_pkt[IP].src, rx_pkt[IPerror].dst)
self.assertEqual(rx_pkt[IP].dst, rx_pkt[IPerror].src)
- self.assertEqual(rx_pkt[UDPerror].sport,
- self.ipv4_udp_or_tcp_internet_port)
+ self.assertEqual(rx_pkt[UDPerror].sport, self.ipv4_udp_or_tcp_internet_port)
self.assertEqual(rx_pkt[UDPerror].dport, self.ipv4_udp_or_tcp_map_port)
#
@@ -514,22 +497,21 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_ipv4_src_addr_ip6_to_ip4(self):
- """ MAP-T spoof ipv4 src addr IPv6 -> IPv4 """
-
- eth = Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac)
- ip = IPv6(src=self.ipv6_spoof_address,
- dst=self.ipv6_map_address)
- udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
- dport=self.ipv6_udp_or_tcp_internet_port)
+ """MAP-T spoof ipv4 src addr IPv6 -> IPv4"""
+
+ eth = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_spoof_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)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv4 spoof address")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv4 spoof address")
#
# Spoofed IPv4 Source Prefix v6 -> v4 direction
@@ -539,22 +521,21 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_ipv4_src_prefix_ip6_to_ip4(self):
- """ MAP-T spoof ipv4 src prefix IPv6 -> IPv4 """
-
- eth = Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac)
- ip = IPv6(src=self.ipv6_spoof_prefix,
- dst=self.ipv6_map_address)
- udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
- dport=self.ipv6_udp_or_tcp_internet_port)
+ """MAP-T spoof ipv4 src prefix IPv6 -> IPv4"""
+
+ eth = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_spoof_prefix, 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)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv4 spoof prefix")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv4 spoof prefix")
#
# Spoofed IPv6 PSID v6 -> v4 direction
@@ -563,22 +544,21 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_psid_ip6_to_ip4(self):
- """ MAP-T spoof psid IPv6 -> IPv4 """
-
- eth = Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac)
- ip = IPv6(src=self.ipv6_spoof_psid,
- dst=self.ipv6_map_address)
- udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
- dport=self.ipv6_udp_or_tcp_internet_port)
+ """MAP-T spoof psid IPv6 -> IPv4"""
+
+ eth = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_spoof_psid, 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)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv6 spoof PSID")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv6 spoof PSID")
#
# Spoofed IPv6 subnet field v6 -> v4 direction
@@ -587,22 +567,21 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_subnet_ip6_to_ip4(self):
- """ MAP-T spoof subnet IPv6 -> IPv4 """
-
- eth = Ether(src=self.pg1.remote_mac,
- dst=self.pg1.local_mac)
- ip = IPv6(src=self.ipv6_spoof_subnet,
- dst=self.ipv6_map_address)
- udp = UDP(sport=self.ipv6_udp_or_tcp_map_port,
- dport=self.ipv6_udp_or_tcp_internet_port)
+ """MAP-T spoof subnet IPv6 -> IPv4"""
+
+ eth = Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ ip = IPv6(src=self.ipv6_spoof_subnet, 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)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv6 spoof subnet")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv6 spoof subnet")
#
# Spoofed IPv6 port PSID v6 -> v4 direction
@@ -611,22 +590,21 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_port_psid_ip6_to_ip4(self):
- """ MAP-T spoof port psid 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_spoof_port,
- dport=self.ipv6_udp_or_tcp_internet_port)
+ """MAP-T spoof port psid 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_spoof_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)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv6 spoof port PSID")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv6 spoof port PSID")
#
# Spoofed IPv6 ICMP ID PSID v6 -> v4 direction
@@ -635,12 +613,10 @@ class TestMAPBR(VppTestCase):
#
def test_map_t_spoof_icmp_id_psid_ip6_to_ip4(self):
- """ MAP-T spoof ICMP id psid IPv6 -> IPv4 """
+ """MAP-T spoof ICMP id psid 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)
+ 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_spoof_port
payload = "H" * 10
@@ -649,8 +625,7 @@ class TestMAPBR(VppTestCase):
self.pg_send(self.pg1, tx_pkt * 1)
self.pg0.get_capture(0, timeout=1)
- self.pg0.assert_nothing_captured(
- remark="Should drop IPv6 spoof port PSID")
+ self.pg0.assert_nothing_captured(remark="Should drop IPv6 spoof port PSID")
#
# Map to Map - same rule, different address
@@ -658,14 +633,11 @@ class TestMAPBR(VppTestCase):
@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)
+ """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
@@ -680,14 +652,11 @@ class TestMAPBR(VppTestCase):
@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)
+ """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
@@ -697,5 +666,5 @@ class TestMAPBR(VppTestCase):
rx_pkt = rx_pkts[0]
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)