diff options
Diffstat (limited to 'test/test_map.py')
| -rw-r--r-- | test/test_map.py | 835 |
1 files changed, 461 insertions, 374 deletions
diff --git a/test/test_map.py b/test/test_map.py index 90fee301267..565f7da6491 100644 --- a/test/test_map.py +++ b/test/test_map.py @@ -3,7 +3,8 @@ import ipaddress import unittest -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase +from asfframework import VppTestRunner from vpp_ip import DpoProto from vpp_ip_route import VppIpRoute, VppRoutePath from util import fragment_rfc791, fragment_rfc8200 @@ -12,12 +13,17 @@ import scapy.compat from scapy.layers.l2 import Ether from scapy.packet import Raw from scapy.layers.inet import IP, UDP, ICMP, TCP -from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded, IPv6ExtHdrFragment, \ - ICMPv6EchoRequest, ICMPv6DestUnreach +from scapy.layers.inet6 import ( + IPv6, + ICMPv6TimeExceeded, + IPv6ExtHdrFragment, + ICMPv6EchoRequest, + ICMPv6DestUnreach, +) class TestMAP(VppTestCase): - """ MAP Test Case """ + """MAP Test Case""" @classmethod def setUpClass(cls): @@ -48,7 +54,12 @@ class TestMAP(VppTestCase): def tearDown(self): super(TestMAP, self).tearDown() + for i in self.pg_interfaces: + for t in (0, 1): + self.vapi.map_if_enable_disable( + is_enable=0, sw_if_index=i.sw_if_index, is_translation=t + ) i.unconfig_ip4() i.unconfig_ip6() i.admin_down() @@ -69,27 +80,24 @@ class TestMAP(VppTestCase): self.assertEqual(rx[IPv6].src, ip6_src) self.assertEqual(rx[IPv6].dst, ip6_dst) - def send_and_assert_encapped_one(self, packet, ip6_src, ip6_dst, - dmac=None): + def send_and_assert_encapped_one(self, packet, ip6_src, ip6_dst, dmac=None): return self.send_and_assert_encapped([packet], ip6_src, ip6_dst, dmac) def test_api_map_domain_dump(self): - map_dst = '2001::/64' - map_src = '3000::1/128' - client_pfx = '192.168.0.0/16' - tag = 'MAP-E tag.' - index = self.vapi.map_add_domain(ip4_prefix=client_pfx, - ip6_prefix=map_dst, - ip6_src=map_src, - tag=tag).index + map_dst = "2001::/64" + map_src = "3000::1/128" + client_pfx = "192.168.0.0/16" + tag = "MAP-E tag." + index = self.vapi.map_add_domain( + ip4_prefix=client_pfx, ip6_prefix=map_dst, ip6_src=map_src, tag=tag + ).index rv = self.vapi.map_domain_dump() # restore the state early so as to not impact subsequent tests. # If an assert fails, we will not get the chance to do it at the end. self.vapi.map_del_domain(index=index) - self.assertGreater(len(rv), 0, - "Expected output from 'map_domain_dump'") + self.assertGreater(len(rv), 0, "Expected output from 'map_domain_dump'") # typedefs are returned as ipaddress objects. # wrap results in str() ugh! to avoid the need to call unicode. @@ -97,8 +105,7 @@ class TestMAP(VppTestCase): self.assertEqual(str(rv[0].ip6_prefix), map_dst) self.assertEqual(str(rv[0].ip6_src), map_src) - self.assertEqual(rv[0].tag, tag, - "output produced incorrect tag value.") + self.assertEqual(rv[0].tag, tag, "output produced incorrect tag value.") def create_domains(self, ip4_pfx_str, ip6_pfx_str, ip6_src_str): ip4_pfx = ipaddress.ip_network(ip4_pfx_str) @@ -106,24 +113,25 @@ class TestMAP(VppTestCase): mod = ip4_pfx.num_addresses / 1024 indicies = [] for i in range(ip4_pfx.num_addresses): - rv = self.vapi.map_add_domain(ip6_prefix=ip6_pfx_str, - ip4_prefix=str(ip4_pfx[i]) + "/32", - ip6_src=ip6_src_str) + rv = self.vapi.map_add_domain( + ip6_prefix=ip6_pfx_str, + ip4_prefix=str(ip4_pfx[i]) + "/32", + ip6_src=ip6_src_str, + ) indicies.append(rv.index) return indicies def test_api_map_domains_get(self): # Create a bunch of domains no_domains = 4096 # This must be large enough to ensure VPP suspends - domains = self.create_domains('130.67.0.0/20', '2001::/32', - '2001::1/128') + domains = self.create_domains("130.67.0.0/20", "2001::/32", "2001::1/128") self.assertEqual(len(domains), no_domains) d = [] cursor = 0 # Invalid cursor - rv, details = self.vapi.map_domains_get(cursor=no_domains+10) + rv, details = self.vapi.map_domains_get(cursor=no_domains + 10) self.assertEqual(rv.retval, -7) # Delete a domain in the middle of walk @@ -144,48 +152,53 @@ class TestMAP(VppTestCase): self.vapi.map_del_domain(index=i) def test_map_e_udp(self): - """ MAP-E UDP""" + """MAP-E UDP""" # # Add a route to the MAP-BR # map_br_pfx = "2001::" map_br_pfx_len = 32 - map_route = VppIpRoute(self, - map_br_pfx, - map_br_pfx_len, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index)]) + map_route = VppIpRoute( + self, + map_br_pfx, + map_br_pfx_len, + [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)], + ) map_route.add_vpp_config() # # Add a domain that maps from pg0 to pg1 # - map_dst = '2001::/32' - map_src = '3000::1/128' - client_pfx = '192.168.0.0/16' - map_translated_addr = '2001:0:101:7000:0:c0a8:101:7' - tag = 'MAP-E tag.' - self.vapi.map_add_domain(ip4_prefix=client_pfx, - ip6_prefix=map_dst, - ip6_src=map_src, - ea_bits_len=20, - psid_offset=4, - psid_length=4, - tag=tag) + map_dst = "2001::/32" + map_src = "3000::1/128" + client_pfx = "192.168.0.0/16" + map_translated_addr = "2001:0:101:7000:0:c0a8:101:7" + tag = "MAP-E tag." + self.vapi.map_add_domain( + ip4_prefix=client_pfx, + ip6_prefix=map_dst, + ip6_src=map_src, + ea_bits_len=20, + psid_offset=4, + psid_length=4, + tag=tag, + ) self.vapi.map_param_set_security_check(enable=1, fragments=1) # Enable MAP on interface. - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg0.sw_if_index, - is_translation=0) + self.vapi.map_if_enable_disable( + is_enable=1, sw_if_index=self.pg0.sw_if_index, is_translation=0 + ) # Ensure MAP doesn't steal all packets! - v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) + v4 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 100) + ) rx = self.send_and_expect(self.pg0, v4 * 4, self.pg0) v4_reply = v4[1] v4_reply.ttl -= 1 @@ -195,20 +208,24 @@ class TestMAP(VppTestCase): # # Fire in a v4 packet that will be encapped to the BR # - v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(src=self.pg0.remote_ip4, dst='192.168.1.1') / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) + v4 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst="192.168.1.1") + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 100) + ) self.send_and_assert_encapped(v4 * 4, "3000::1", map_translated_addr) # # Verify reordered fragments are able to pass as well # - v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(id=1, src=self.pg0.remote_ip4, dst='192.168.1.1') / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 1000)) + v4 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(id=1, src=self.pg0.remote_ip4, dst="192.168.1.1") + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 1000) + ) frags = fragment_rfc791(v4, 400) frags.reverse() @@ -216,16 +233,18 @@ class TestMAP(VppTestCase): self.send_and_assert_encapped(frags, "3000::1", map_translated_addr) # Enable MAP on interface. - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg1.sw_if_index, - is_translation=0) + self.vapi.map_if_enable_disable( + is_enable=1, sw_if_index=self.pg1.sw_if_index, is_translation=0 + ) # Ensure MAP doesn't steal all packets - v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / - IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) - rx = self.send_and_expect(self.pg1, v6*1, self.pg1) + v6 = ( + Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + / IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 100) + ) + rx = self.send_and_expect(self.pg1, v6 * 1, self.pg1) v6_reply = v6[1] v6_reply.hlim -= 1 for p in rx: @@ -235,11 +254,13 @@ class TestMAP(VppTestCase): # Fire in a V6 encapped packet. # expect a decapped packet on the inside ip4 link # - p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / - IPv6(dst='3000::1', src=map_translated_addr) / - IP(dst=self.pg0.remote_ip4, src='192.168.1.1') / - UDP(sport=10000, dport=20000) / - Raw(b'\xa5' * 100)) + p = ( + Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + / IPv6(dst="3000::1", src=map_translated_addr) + / IP(dst=self.pg0.remote_ip4, src="192.168.1.1") + / UDP(sport=10000, dport=20000) + / Raw(b"\xa5" * 100) + ) self.pg1.add_stream(p) @@ -256,15 +277,20 @@ class TestMAP(VppTestCase): # # Verify encapped reordered fragments pass as well # - p = (IP(id=1, dst=self.pg0.remote_ip4, src='192.168.1.1') / - UDP(sport=10000, dport=20000) / - Raw(b'\xa5' * 1500)) + p = ( + IP(id=1, dst=self.pg0.remote_ip4, src="192.168.1.1") + / UDP(sport=10000, dport=20000) + / Raw(b"\xa5" * 1500) + ) frags = fragment_rfc791(p, 400) frags.reverse() - stream = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / - IPv6(dst='3000::1', src=map_translated_addr) / - x for x in frags) + stream = ( + Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + / IPv6(dst="3000::1", src=map_translated_addr) + / x + for x in frags + ) self.pg1.add_stream(stream) @@ -279,15 +305,15 @@ class TestMAP(VppTestCase): self.assertEqual(r[IP].dst, p[IP].dst) # Verify that fragments pass even if ipv6 layer is fragmented - stream = (IPv6(dst='3000::1', src=map_translated_addr) / x - for x in frags) + stream = (IPv6(dst="3000::1", src=map_translated_addr) / x for x in frags) v6_stream = [ Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / x for i in range(len(frags)) for x in fragment_rfc8200( - IPv6(dst='3000::1', src=map_translated_addr) / frags[i], - i, 200)] + IPv6(dst="3000::1", src=map_translated_addr) / frags[i], i, 200 + ) + ] self.pg1.add_stream(v6_stream) @@ -306,32 +332,35 @@ class TestMAP(VppTestCase): # self.vapi.ppcli("map params pre-resolve ip6-nh 4001::1") - self.send_and_assert_no_replies(self.pg0, v4, - "resolved via default route") + self.send_and_assert_no_replies(self.pg0, v4, "resolved via default route") # # Add a route to 4001::1. Expect the encapped traffic to be # sent via that routes next-hop # - pre_res_route = VppIpRoute(self, "4001::1", 128, - [VppRoutePath(self.pg1.remote_hosts[2].ip6, - self.pg1.sw_if_index)]) + pre_res_route = VppIpRoute( + self, + "4001::1", + 128, + [VppRoutePath(self.pg1.remote_hosts[2].ip6, self.pg1.sw_if_index)], + ) pre_res_route.add_vpp_config() - self.send_and_assert_encapped_one(v4, "3000::1", - map_translated_addr, - dmac=self.pg1.remote_hosts[2].mac) + self.send_and_assert_encapped_one( + v4, "3000::1", map_translated_addr, dmac=self.pg1.remote_hosts[2].mac + ) # # change the route to the pre-solved next-hop # - pre_res_route.modify([VppRoutePath(self.pg1.remote_hosts[3].ip6, - self.pg1.sw_if_index)]) + pre_res_route.modify( + [VppRoutePath(self.pg1.remote_hosts[3].ip6, self.pg1.sw_if_index)] + ) pre_res_route.add_vpp_config() - self.send_and_assert_encapped_one(v4, "3000::1", - map_translated_addr, - dmac=self.pg1.remote_hosts[3].mac) + self.send_and_assert_encapped_one( + v4, "3000::1", map_translated_addr, dmac=self.pg1.remote_hosts[3].mac + ) # # cleanup. The test infra's object registry will ensure @@ -341,54 +370,60 @@ class TestMAP(VppTestCase): self.vapi.ppcli("map params pre-resolve del ip6-nh 4001::1") def test_map_e_inner_frag(self): - """ MAP-E Inner fragmentation """ + """MAP-E Inner fragmentation""" # # Add a route to the MAP-BR # map_br_pfx = "2001::" map_br_pfx_len = 32 - map_route = VppIpRoute(self, - map_br_pfx, - map_br_pfx_len, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index)]) + map_route = VppIpRoute( + self, + map_br_pfx, + map_br_pfx_len, + [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)], + ) map_route.add_vpp_config() # # Add a domain that maps from pg0 to pg1 # - map_dst = '2001::/32' - map_src = '3000::1/128' - client_pfx = '192.168.0.0/16' - map_translated_addr = '2001:0:101:7000:0:c0a8:101:7' - tag = 'MAP-E tag.' - self.vapi.map_add_domain(ip4_prefix=client_pfx, - ip6_prefix=map_dst, - ip6_src=map_src, - ea_bits_len=20, - psid_offset=4, - psid_length=4, - mtu=1000, - tag=tag) + map_dst = "2001::/32" + map_src = "3000::1/128" + client_pfx = "192.168.0.0/16" + map_translated_addr = "2001:0:101:7000:0:c0a8:101:7" + tag = "MAP-E tag." + self.vapi.map_add_domain( + ip4_prefix=client_pfx, + ip6_prefix=map_dst, + ip6_src=map_src, + ea_bits_len=20, + psid_offset=4, + psid_length=4, + mtu=1000, + tag=tag, + ) # Enable MAP on interface. - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg0.sw_if_index, - is_translation=0) + self.vapi.map_if_enable_disable( + is_enable=1, sw_if_index=self.pg0.sw_if_index, is_translation=0 + ) # Enable inner fragmentation self.vapi.map_param_set_fragmentation(inner=1) - v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(src=self.pg0.remote_ip4, dst='192.168.1.1') / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 1300)) + v4 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst="192.168.1.1") + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 1300) + ) - self.pg_send(self.pg0, v4*1) + self.pg_send(self.pg0, v4 * 1) rx = self.pg1.get_capture(2) - frags = fragment_rfc791(v4[1], 1000) + # 1000-sizeof(ip6_header_t) = 960. + frags = fragment_rfc791(v4[1], 960) frags[0].id = 0 frags[1].id = 0 frags[0].ttl -= 1 @@ -396,10 +431,8 @@ class TestMAP(VppTestCase): frags[0].chksum = 0 frags[1].chksum = 0 - v6_reply1 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) / - frags[0]) - v6_reply2 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) / - frags[1]) + v6_reply1 = IPv6(src="3000::1", dst=map_translated_addr, hlim=63) / frags[0] + v6_reply2 = IPv6(src="3000::1", dst=map_translated_addr, hlim=63) / frags[1] rx[0][1].fl = 0 rx[1][1].fl = 0 rx[0][1][IP].id = 0 @@ -411,45 +444,48 @@ class TestMAP(VppTestCase): self.validate(rx[1][1], v6_reply2) def test_map_e_tcp_mss(self): - """ MAP-E TCP MSS""" + """MAP-E TCP MSS""" # # Add a route to the MAP-BR # map_br_pfx = "2001::" map_br_pfx_len = 32 - map_route = VppIpRoute(self, - map_br_pfx, - map_br_pfx_len, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index)]) + map_route = VppIpRoute( + self, + map_br_pfx, + map_br_pfx_len, + [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)], + ) map_route.add_vpp_config() # # Add a domain that maps from pg0 to pg1 # - map_dst = '2001::/32' - map_src = '3000::1/128' - client_pfx = '192.168.0.0/16' - map_translated_addr = '2001:0:101:5000:0:c0a8:101:5' - tag = 'MAP-E TCP tag.' - self.vapi.map_add_domain(ip4_prefix=client_pfx, - ip6_prefix=map_dst, - ip6_src=map_src, - ea_bits_len=20, - psid_offset=4, - psid_length=4, - tag=tag) + map_dst = "2001::/32" + map_src = "3000::1/128" + client_pfx = "192.168.0.0/16" + map_translated_addr = "2001:0:101:5000:0:c0a8:101:5" + tag = "MAP-E TCP tag." + self.vapi.map_add_domain( + ip4_prefix=client_pfx, + ip6_prefix=map_dst, + ip6_src=map_src, + ea_bits_len=20, + psid_offset=4, + psid_length=4, + tag=tag, + ) # Enable MAP on pg0 interface. - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg0.sw_if_index, - is_translation=0) + self.vapi.map_if_enable_disable( + is_enable=1, sw_if_index=self.pg0.sw_if_index, is_translation=0 + ) # Enable MAP on pg1 interface. - self.vapi.map_if_enable_disable(is_enable=1, - sw_if_index=self.pg1.sw_if_index, - is_translation=0) + self.vapi.map_if_enable_disable( + is_enable=1, sw_if_index=self.pg1.sw_if_index, is_translation=0 + ) # TCP MSS clamping mss_clamp = 1300 @@ -459,9 +495,8 @@ class TestMAP(VppTestCase): # Send a v4 packet that will be encapped. # p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) - p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.1.1') - p_tcp = TCP(sport=20000, dport=30000, flags="S", - options=[("MSS", 1455)]) + p_ip4 = IP(src=self.pg0.remote_ip4, dst="192.168.1.1") + p_tcp = TCP(sport=20000, dport=30000, flags="S", options=[("MSS", 1455)]) p4 = p_ether / p_ip4 / p_tcp self.pg1.add_stream(p4) @@ -475,8 +510,7 @@ class TestMAP(VppTestCase): self.assertEqual(rx[IP].src, p4[IP].src) self.assertEqual(rx[IP].dst, p4[IP].dst) self.assertEqual(rx[IPv6].src, "3000::1") - self.assertEqual(rx[TCP].options, - TCP(options=[('MSS', mss_clamp)]).options) + self.assertEqual(rx[TCP].options, TCP(options=[("MSS", mss_clamp)]).options) def validate(self, rx, expected): self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected))) @@ -519,173 +553,202 @@ class TestMAP(VppTestCase): self.assertEqual(payload_total, payload_len_expected) def payload(self, len): - return 'x' * len + return "x" * len def test_map_t(self): - """ MAP-T """ + """MAP-T""" # # 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 Tag.' - - 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) + map_dst = "2001:db8::/32" + map_src = "1234:5678:90ab:cdef::/64" + ip4_pfx = "192.168.0.0/24" + tag = "MAP-T Tag." + + 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) + 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 + ) # Ensure MAP doesn't steal all packets! - v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) - rx = self.send_and_expect(self.pg0, v4*1, self.pg0) + v4 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 100) + ) + rx = self.send_and_expect(self.pg0, v4 * 1, self.pg0) v4_reply = v4[1] v4_reply.ttl -= 1 for p in rx: self.validate(p[1], v4_reply) # Ensure MAP doesn't steal all packets - v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / - IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) - rx = self.send_and_expect(self.pg1, v6*1, self.pg1) + v6 = ( + Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + / IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) + / UDP(sport=20000, dport=10000) + / Raw(b"\xa5" * 100) + ) + rx = self.send_and_expect(self.pg1, v6 * 1, self.pg1) v6_reply = v6[1] v6_reply.hlim -= 1 for p in rx: self.validate(p[1], v6_reply) - map_route = VppIpRoute(self, - "2001:db8::", - 32, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)]) + map_route = VppIpRoute( + self, + "2001:db8::", + 32, + [ + VppRoutePath( + self.pg1.remote_ip6, + self.pg1.sw_if_index, + proto=DpoProto.DPO_PROTO_IP6, + ) + ], + ) map_route.add_vpp_config() # # Send a v4 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) + 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) + rx = self.send_and_expect(self.pg0, p4 * 1, self.pg1) for p in rx: 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) + 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) + rx = self.send_and_expect(self.pg1, p6 * 1, self.pg0) for p in rx: self.validate(p[1], p4_translated) # IPv4 TTL=0 - ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=0) - p4 = (p_ether / ip4_ttl_expired / payload) - - icmp4_reply = (IP(id=0, ttl=254, src=self.pg0.local_ip4, - dst=self.pg0.remote_ip4) / - ICMP(type='time-exceeded', - code='ttl-zero-during-transit') / - IP(src=self.pg0.remote_ip4, - dst='192.168.0.1', ttl=0) / payload) - rx = self.send_and_expect(self.pg0, p4*1, self.pg0) + ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst="192.168.0.1", ttl=0) + p4 = p_ether / ip4_ttl_expired / payload + + icmp4_reply = ( + IP(id=0, ttl=255, src=self.pg0.local_ip4, dst=self.pg0.remote_ip4) + / ICMP(type="time-exceeded", code="ttl-zero-during-transit") + / IP(src=self.pg0.remote_ip4, dst="192.168.0.1", ttl=0) + / payload + ) + rx = self.send_and_expect(self.pg0, p4 * 1, self.pg0) for p in rx: self.validate(p[1], icmp4_reply) # IPv4 TTL=1 - ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=1) - p4 = (p_ether / ip4_ttl_expired / payload) - - icmp4_reply = (IP(id=0, ttl=254, src=self.pg0.local_ip4, - dst=self.pg0.remote_ip4) / - ICMP(type='time-exceeded', - code='ttl-zero-during-transit') / - IP(src=self.pg0.remote_ip4, - dst='192.168.0.1', ttl=1) / payload) - rx = self.send_and_expect(self.pg0, p4*1, self.pg0) + ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst="192.168.0.1", ttl=1) + p4 = p_ether / ip4_ttl_expired / payload + + icmp4_reply = ( + IP(id=0, ttl=255, src=self.pg0.local_ip4, dst=self.pg0.remote_ip4) + / ICMP(type="time-exceeded", code="ttl-zero-during-transit") + / IP(src=self.pg0.remote_ip4, dst="192.168.0.1", ttl=1) + / payload + ) + rx = self.send_and_expect(self.pg0, p4 * 1, self.pg0) for p in rx: self.validate(p[1], icmp4_reply) # IPv6 Hop limit at BR - ip6_hlim_expired = IPv6(hlim=1, src='2001:db8:1ab::c0a8:1:ab', - dst='1234:5678:90ab:cdef:ac:1001:200:0') - p6 = (p_ether6 / ip6_hlim_expired / payload) - - icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6, - dst="2001:db8:1ab::c0a8:1:ab") / - ICMPv6TimeExceeded(code=0) / - IPv6(src="2001:db8:1ab::c0a8:1:ab", - dst='1234:5678:90ab:cdef:ac:1001:200:0', - hlim=1) / payload) - rx = self.send_and_expect(self.pg1, p6*1, self.pg1) + ip6_hlim_expired = IPv6( + hlim=1, + src="2001:db8:1ab::c0a8:1:ab", + dst="1234:5678:90ab:cdef:ac:1001:200:0", + ) + p6 = p_ether6 / ip6_hlim_expired / payload + + icmp6_reply = ( + IPv6(hlim=255, src=self.pg1.local_ip6, dst="2001:db8:1ab::c0a8:1:ab") + / ICMPv6TimeExceeded(code=0) + / IPv6( + src="2001:db8:1ab::c0a8:1:ab", + dst="1234:5678:90ab:cdef:ac:1001:200:0", + hlim=1, + ) + / payload + ) + rx = self.send_and_expect(self.pg1, p6 * 1, self.pg1) for p in rx: self.validate(p[1], icmp6_reply) # IPv6 Hop limit beyond BR - ip6_hlim_expired = IPv6(hlim=0, src='2001:db8:1ab::c0a8:1:ab', - dst='1234:5678:90ab:cdef:ac:1001:200:0') - p6 = (p_ether6 / ip6_hlim_expired / payload) - - icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6, - dst="2001:db8:1ab::c0a8:1:ab") / - ICMPv6TimeExceeded(code=0) / - IPv6(src="2001:db8:1ab::c0a8:1:ab", - dst='1234:5678:90ab:cdef:ac:1001:200:0', - hlim=0) / payload) - rx = self.send_and_expect(self.pg1, p6*1, self.pg1) + ip6_hlim_expired = IPv6( + hlim=0, + src="2001:db8:1ab::c0a8:1:ab", + dst="1234:5678:90ab:cdef:ac:1001:200:0", + ) + p6 = p_ether6 / ip6_hlim_expired / payload + + icmp6_reply = ( + IPv6(hlim=255, src=self.pg1.local_ip6, dst="2001:db8:1ab::c0a8:1:ab") + / ICMPv6TimeExceeded(code=0) + / IPv6( + src="2001:db8:1ab::c0a8:1:ab", + dst="1234:5678:90ab:cdef:ac:1001:200:0", + hlim=0, + ) + / payload + ) + rx = self.send_and_expect(self.pg1, p6 * 1, self.pg1) for p in rx: self.validate(p[1], icmp6_reply) # IPv4 Well-known port - p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1') + p_ip4 = IP(src=self.pg0.remote_ip4, dst="192.168.0.1") payload = UDP(sport=200, dport=200) - p4 = (p_ether / p_ip4 / payload) - self.send_and_assert_no_replies(self.pg0, p4*1) + p4 = p_ether / p_ip4 / payload + self.send_and_assert_no_replies(self.pg0, p4 * 1) # IPv6 Well-known port payload = UDP(sport=200, dport=200) - p6 = (p_ether6 / p_ip6 / payload) - self.send_and_assert_no_replies(self.pg1, p6*1) + p6 = p_ether6 / p_ip6 / payload + self.send_and_assert_no_replies(self.pg1, p6 * 1) # UDP packet fragmentation payload_len = 1453 payload = UDP(sport=40000, dport=4000) / self.payload(payload_len) - p4 = (p_ether / p_ip4 / payload) + p4 = p_ether / p_ip4 / payload self.pg_enable_capture() self.pg0.add_stream(p4) self.pg_start() rx = self.pg1.get_capture(2) - p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0', - dst='2001:db8:1e0::c0a8:1:e') + p_ip6_translated = IPv6( + src="1234:5678:90ab:cdef:ac:1001:200:0", dst="2001:db8:1e0::c0a8:1:e" + ) for p in rx: self.validate_frag6(p, p_ip6_translated) @@ -694,7 +757,7 @@ class TestMAP(VppTestCase): # UDP packet fragmentation send fragments payload_len = 1453 payload = UDP(sport=40000, dport=4000) / self.payload(payload_len) - p4 = (p_ether / p_ip4 / payload) + p4 = p_ether / p_ip4 / payload frags = fragment_rfc791(p4, fragsize=1000) self.pg_enable_capture() self.pg0.add_stream(frags) @@ -709,13 +772,14 @@ class TestMAP(VppTestCase): # Send back an fragmented IPv6 UDP packet that will be "untranslated" payload = UDP(sport=4000, dport=40000) / self.payload(payload_len) p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) - p_ip6 = IPv6(src='2001:db8:1e0::c0a8:1:e', - dst='1234:5678:90ab:cdef:ac:1001:200:0') - p6 = (p_ether6 / p_ip6 / payload) - frags6 = fragment_rfc8200(p6, identification=0xdcba, fragsize=1000) - - p_ip4_translated = IP(src='192.168.0.1', dst=self.pg0.remote_ip4) - p4_translated = (p_ip4_translated / payload) + p_ip6 = IPv6( + src="2001:db8:1e0::c0a8:1:e", dst="1234:5678:90ab:cdef:ac:1001:200:0" + ) + p6 = p_ether6 / p_ip6 / payload + frags6 = fragment_rfc8200(p6, identification=0xDCBA, fragsize=1000) + + p_ip4_translated = IP(src="192.168.0.1", dst=self.pg0.remote_ip4) + p4_translated = p_ip4_translated / payload p4_translated.id = 0 p4_translated.ttl -= 1 @@ -731,14 +795,15 @@ class TestMAP(VppTestCase): # ICMP packet fragmentation payload = ICMP(id=6529) / self.payload(payload_len) - p4 = (p_ether / p_ip4 / payload) + p4 = p_ether / p_ip4 / payload self.pg_enable_capture() self.pg0.add_stream(p4) self.pg_start() rx = self.pg1.get_capture(2) - p_ip6_translated = IPv6(src='1234:5678:90ab:cdef:ac:1001:200:0', - dst='2001:db8:160::c0a8:1:6') + p_ip6_translated = IPv6( + src="1234:5678:90ab:cdef:ac:1001:200:0", dst="2001:db8:160::c0a8:1:6" + ) for p in rx: self.validate_frag6(p, p_ip6_translated) @@ -746,7 +811,7 @@ class TestMAP(VppTestCase): # ICMP packet fragmentation send fragments payload = ICMP(id=6529) / self.payload(payload_len) - p4 = (p_ether / p_ip4 / payload) + p4 = p_ether / p_ip4 / payload frags = fragment_rfc791(p4, fragsize=1000) self.pg_enable_capture() self.pg0.add_stream(frags) @@ -765,30 +830,31 @@ class TestMAP(VppTestCase): # Send a v4 TCP SYN packet that will be translated and MSS clamped # 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, flags="S", - options=[('MSS', 1460)]) - - 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) + p_ip4 = IP(src=self.pg0.remote_ip4, dst="192.168.0.1") + payload = TCP(sport=0xABCD, dport=0xABCD, flags="S", options=[("MSS", 1460)]) + + 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 - p6_translated[TCP].options = [('MSS', 1300)] - rx = self.send_and_expect(self.pg0, p4*1, self.pg1) + p6_translated[TCP].options = [("MSS", 1300)] + rx = self.send_and_expect(self.pg0, p4 * 1, self.pg1) for p in rx: 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) + 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 - p4_translated[TCP].options = [('MSS', 1300)] - rx = self.send_and_expect(self.pg1, p6*1, self.pg0) + p4_translated[TCP].options = [("MSS", 1300)] + rx = self.send_and_expect(self.pg1, p6 * 1, self.pg0) for p in rx: self.validate(p[1], p4_translated) @@ -802,19 +868,22 @@ class TestMAP(VppTestCase): # Send back an IPv6 packet that will be droppped due to security # check fail p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) - p_ip6_sec_check_fail = IPv6(src='2001:db8:1fe::c0a8:1:f', - dst='1234:5678:90ab:cdef:ac:1001:200:0') - payload = TCP(sport=0xabcd, dport=0xabcd) - p6 = (p_ether6 / p_ip6_sec_check_fail / payload) + p_ip6_sec_check_fail = IPv6( + src="2001:db8:1fe::c0a8:1:f", dst="1234:5678:90ab:cdef:ac:1001:200:0" + ) + payload = TCP(sport=0xABCD, dport=0xABCD) + p6 = p_ether6 / p_ip6_sec_check_fail / payload - self.pg_send(self.pg1, p6*1) + self.pg_send(self.pg1, p6 * 1) self.pg0.get_capture(0, timeout=1) rx = self.pg1.get_capture(1) - icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6, - dst='2001:db8:1fe::c0a8:1:f') / - ICMPv6DestUnreach(code=5) / - p_ip6_sec_check_fail / payload) + icmp6_reply = ( + IPv6(hlim=255, src=self.pg1.local_ip6, dst="2001:db8:1fe::c0a8:1:f") + / ICMPv6DestUnreach(code=5) + / p_ip6_sec_check_fail + / payload + ) for p in rx: self.validate(p[1], icmp6_reply) @@ -823,142 +892,160 @@ class TestMAP(VppTestCase): self.vapi.map_param_set_icmp6(enable_unreachable=0) def test_map_t_ip6_psid(self): - """ MAP-T v6->v4 PSID validation""" + """MAP-T v6->v4 PSID validation""" # # 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) + 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) - - map_route = VppIpRoute(self, - "2001:db8::", - 32, - [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)]) + 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 + ) + + map_route = VppIpRoute( + self, + "2001:db8::", + 32, + [ + VppRoutePath( + self.pg1.remote_ip6, + self.pg1.sw_if_index, + proto=DpoProto.DPO_PROTO_IP6, + ) + ], + ) map_route.add_vpp_config() 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') + p_ip6 = IPv6( + src="2001:db8:1f0::c0a8:1:f", dst="1234:5678:90ab:cdef:ac:1001:200:0" + ) # Send good IPv6 source port, ensure translated IPv4 received - payload = TCP(sport=0xabcd, dport=80) - p6 = (p_ether6 / p_ip6 / payload) - p4_translated = (IP(src='192.168.0.1', - dst=self.pg0.remote_ip4) / payload) + payload = TCP(sport=0xABCD, dport=80) + 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) + rx = self.send_and_expect(self.pg1, p6 * 1, self.pg0) for p in rx: self.validate(p[1], p4_translated) # Send bad IPv6 source port, ensure translated IPv4 not received - payload = TCP(sport=0xdcba, dport=80) - p6 = (p_ether6 / p_ip6 / payload) - self.send_and_assert_no_replies(self.pg1, p6*1) + payload = TCP(sport=0xDCBA, dport=80) + 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""" + """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) + 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) + 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) + 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 = 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 = 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) + 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) + 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) + 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 = 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) + 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) + 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__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner) |