diff options
Diffstat (limited to 'test/test_dhcp6.py')
| -rw-r--r-- | test/test_dhcp6.py | 314 |
1 files changed, 173 insertions, 141 deletions
diff --git a/test/test_dhcp6.py b/test/test_dhcp6.py index 57eb113fb13..8a00cb81f90 100644 --- a/test/test_dhcp6.py +++ b/test/test_dhcp6.py @@ -1,10 +1,24 @@ from socket import AF_INET6, inet_ntop, inet_pton -from scapy.layers.dhcp6 import DHCP6_Advertise, DHCP6OptClientId, \ - DHCP6OptStatusCode, DHCP6OptPref, DHCP6OptIA_PD, DHCP6OptIAPrefix, \ - DHCP6OptServerId, DHCP6_Solicit, DHCP6_Reply, DHCP6_Request, DHCP6_Renew, \ - DHCP6_Rebind, DUID_LL, DHCP6_Release, DHCP6OptElapsedTime, DHCP6OptIA_NA, \ - DHCP6OptIAAddress +from scapy.layers.dhcp6 import ( + DHCP6_Advertise, + DHCP6OptClientId, + DHCP6OptStatusCode, + DHCP6OptPref, + DHCP6OptIA_PD, + DHCP6OptIAPrefix, + DHCP6OptServerId, + DHCP6_Solicit, + DHCP6_Reply, + DHCP6_Request, + DHCP6_Renew, + DHCP6_Rebind, + DUID_LL, + DHCP6_Release, + DHCP6OptElapsedTime, + DHCP6OptIA_NA, + DHCP6OptIAAddress, +) from scapy.layers.inet6 import IPv6, Ether, UDP from scapy.utils6 import in6_mactoifaceid @@ -21,7 +35,7 @@ def ip6_normalize(ip6): class TestDHCPv6DataPlane(VppTestCase): - """ DHCPv6 Data Plane Test Case """ + """DHCPv6 Data Plane Test Case""" @classmethod def setUpClass(cls): @@ -49,25 +63,23 @@ class TestDHCPv6DataPlane(VppTestCase): super(TestDHCPv6DataPlane, self).tearDown() def test_dhcp_ia_na_send_solicit_receive_advertise(self): - """ Verify DHCPv6 IA NA Solicit packet and Advertise event """ + """Verify DHCPv6 IA NA Solicit packet and Advertise event""" self.vapi.dhcp6_clients_enable_disable(enable=1) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - address = {'address': '1:2:3::5', - 'preferred_time': 60, - 'valid_time': 120} + address = {"address": "1:2:3::5", "preferred_time": 60, "valid_time": 120} self.vapi.dhcp6_send_client_message( - server_index=0xffffffff, + server_index=0xFFFFFFFF, mrc=1, msg_type=VppEnum.vl_api_dhcpv6_msg_type_t.DHCPV6_MSG_API_SOLICIT, sw_if_index=self.pg0.sw_if_index, T1=20, T2=40, addresses=[address], - n_addresses=len( - [address])) + n_addresses=len([address]), + ) rx_list = self.pg0.get_capture(1) self.assertEqual(len(rx_list), 1) packet = rx_list[0] @@ -89,27 +101,27 @@ class TestDHCPv6DataPlane(VppTestCase): self.assert_equal(ia_na.T2, 40) self.assert_equal(len(ia_na.ianaopts), 1) address = ia_na.ianaopts[0] - self.assert_equal(address.addr, '1:2:3::5') + self.assert_equal(address.addr, "1:2:3::5") self.assert_equal(address.preflft, 60) self.assert_equal(address.validlft, 120) - self.vapi.want_dhcp6_reply_events(enable_disable=1, - pid=os.getpid()) + self.vapi.want_dhcp6_reply_events(enable_disable=1, pid=os.getpid()) try: - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=60, - validlft=120) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - DHCP6_Advertise(trid=trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=client_duid) / - DHCP6OptPref(prefval=7) / - DHCP6OptStatusCode(statuscode=1) / - DHCP6OptIA_NA(iaid=1, T1=20, T2=40, ianaopts=ia_na_opts) - ) + ia_na_opts = DHCP6OptIAAddress(addr="7:8::2", preflft=60, validlft=120) + p = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IPv6( + src=util.mk_ll_addr(self.pg0.remote_mac), dst=self.pg0.local_ip6_ll + ) + / UDP(sport=547, dport=546) + / DHCP6_Advertise(trid=trid) + / DHCP6OptServerId(duid=self.server_duid) + / DHCP6OptClientId(duid=client_duid) + / DHCP6OptPref(prefval=7) + / DHCP6OptStatusCode(statuscode=1) + / DHCP6OptIA_NA(iaid=1, T1=20, T2=40, ianaopts=ia_na_opts) + ) self.pg0.add_stream([p]) self.pg_start() @@ -123,36 +135,41 @@ class TestDHCPv6DataPlane(VppTestCase): reported_address = ev.addresses[0] address = ia_na_opts.getfieldval("addr") self.assert_equal(str(reported_address.address), address) - self.assert_equal(reported_address.preferred_time, - ia_na_opts.getfieldval("preflft")) - self.assert_equal(reported_address.valid_time, - ia_na_opts.getfieldval("validlft")) + self.assert_equal( + reported_address.preferred_time, ia_na_opts.getfieldval("preflft") + ) + self.assert_equal( + reported_address.valid_time, ia_na_opts.getfieldval("validlft") + ) finally: self.vapi.want_dhcp6_reply_events(enable_disable=0) self.vapi.dhcp6_clients_enable_disable(enable=0) def test_dhcp_pd_send_solicit_receive_advertise(self): - """ Verify DHCPv6 PD Solicit packet and Advertise event """ + """Verify DHCPv6 PD Solicit packet and Advertise event""" self.vapi.dhcp6_clients_enable_disable(enable=1) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - prefix = {'prefix': {'address': '1:2:3::', 'len': 50}, - 'preferred_time': 60, - 'valid_time': 120} + prefix = { + "prefix": {"address": "1:2:3::", "len": 50}, + "preferred_time": 60, + "valid_time": 120, + } prefixes = [prefix] self.vapi.dhcp6_pd_send_client_message( - server_index=0xffffffff, + server_index=0xFFFFFFFF, mrc=1, msg_type=VppEnum.vl_api_dhcpv6_msg_type_t.DHCPV6_MSG_API_SOLICIT, sw_if_index=self.pg0.sw_if_index, T1=20, T2=40, prefixes=prefixes, - n_prefixes=len(prefixes)) + n_prefixes=len(prefixes), + ) rx_list = self.pg0.get_capture(1) self.assertEqual(len(rx_list), 1) packet = rx_list[0] @@ -174,28 +191,30 @@ class TestDHCPv6DataPlane(VppTestCase): self.assert_equal(ia_pd.T2, 40) self.assert_equal(len(ia_pd.iapdopt), 1) prefix = ia_pd.iapdopt[0] - self.assert_equal(prefix.prefix, '1:2:3::') + self.assert_equal(prefix.prefix, "1:2:3::") self.assert_equal(prefix.plen, 50) self.assert_equal(prefix.preflft, 60) self.assert_equal(prefix.validlft, 120) - self.vapi.want_dhcp6_pd_reply_events(enable_disable=1, - pid=os.getpid()) + self.vapi.want_dhcp6_pd_reply_events(enable_disable=1, pid=os.getpid()) try: - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=60, - validlft=120) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - DHCP6_Advertise(trid=trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=client_duid) / - DHCP6OptPref(prefval=7) / - DHCP6OptStatusCode(statuscode=1) / - DHCP6OptIA_PD(iaid=1, T1=20, T2=40, iapdopt=ia_pd_opts) - ) + ia_pd_opts = DHCP6OptIAPrefix( + prefix="7:8::", plen=56, preflft=60, validlft=120 + ) + p = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IPv6( + src=util.mk_ll_addr(self.pg0.remote_mac), dst=self.pg0.local_ip6_ll + ) + / UDP(sport=547, dport=546) + / DHCP6_Advertise(trid=trid) + / DHCP6OptServerId(duid=self.server_duid) + / DHCP6OptClientId(duid=client_duid) + / DHCP6OptPref(prefval=7) + / DHCP6OptStatusCode(statuscode=1) + / DHCP6OptIA_PD(iaid=1, T1=20, T2=40, iapdopt=ia_pd_opts) + ) self.pg0.add_stream([p]) self.pg_start() @@ -208,14 +227,17 @@ class TestDHCPv6DataPlane(VppTestCase): reported_prefix = ev.prefixes[0] prefix = ia_pd_opts.getfieldval("prefix") + self.assert_equal(str(reported_prefix.prefix).split("/")[0], prefix) + self.assert_equal( + int(str(reported_prefix.prefix).split("/")[1]), + ia_pd_opts.getfieldval("plen"), + ) self.assert_equal( - str(reported_prefix.prefix).split('/')[0], prefix) - self.assert_equal(int(str(reported_prefix.prefix).split('/')[1]), - ia_pd_opts.getfieldval("plen")) - self.assert_equal(reported_prefix.preferred_time, - ia_pd_opts.getfieldval("preflft")) - self.assert_equal(reported_prefix.valid_time, - ia_pd_opts.getfieldval("validlft")) + reported_prefix.preferred_time, ia_pd_opts.getfieldval("preflft") + ) + self.assert_equal( + reported_prefix.valid_time, ia_pd_opts.getfieldval("validlft") + ) finally: self.vapi.want_dhcp6_pd_reply_events(enable_disable=0) @@ -224,7 +246,7 @@ class TestDHCPv6DataPlane(VppTestCase): @tag_run_solo class TestDHCPv6IANAControlPlane(VppTestCase): - """ DHCPv6 IA NA Control Plane Test Case """ + """DHCPv6 IA NA Control Plane Test Case""" @classmethod def setUpClass(cls): @@ -248,18 +270,19 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.T2 = 2 fib = self.vapi.ip_route_dump(0, True) - self.initial_addresses = set(self.get_interface_addresses(fib, - self.pg0)) + self.initial_addresses = set(self.get_interface_addresses(fib, self.pg0)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.vapi.dhcp6_client_enable_disable(sw_if_index=self.pg0.sw_if_index, - enable=1) + self.vapi.dhcp6_client_enable_disable( + sw_if_index=self.pg0.sw_if_index, enable=1 + ) def tearDown(self): - self.vapi.dhcp6_client_enable_disable(sw_if_index=self.pg0.sw_if_index, - enable=0) + self.vapi.dhcp6_client_enable_disable( + sw_if_index=self.pg0.sw_if_index, enable=0 + ) for i in self.interfaces: i.admin_down() @@ -302,12 +325,12 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.trid = packet[msg_type].trid ip = packet[IPv6] udp = packet[UDP] - self.assertEqual(ip.dst, 'ff02::1:2') + self.assertEqual(ip.dst, "ff02::1:2") self.assertEqual(udp.sport, 546) self.assertEqual(udp.dport, 547) dhcpv6 = packet[msg_type] elapsed_time = dhcpv6[DHCP6OptElapsedTime] - if (is_resend): + if is_resend: self.assertNotEqual(elapsed_time.elapsedtime, 0) else: self.assertEqual(elapsed_time.elapsedtime, 0) @@ -346,15 +369,15 @@ class TestDHCPv6IANAControlPlane(VppTestCase): opt_ia_na = DHCP6OptIA_NA(iaid=1, T1=t1, T2=t2) else: opt_ia_na = DHCP6OptIA_NA(iaid=1, T1=t1, T2=t2, ianaopts=ianaopts) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - msg_type(trid=self.trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=self.client_duid) / - opt_ia_na - ) + p = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), dst=self.pg0.local_ip6_ll) + / UDP(sport=547, dport=546) + / msg_type(trid=self.trid) + / DHCP6OptServerId(duid=self.server_duid) + / DHCP6OptClientId(duid=self.client_duid) + / opt_ia_na + ) self.pg0.add_stream([p]) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -366,7 +389,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.send_packet(DHCP6_Reply, t1, t2, ianaopts) def test_T1_and_T2_timeouts(self): - """ Test T1 and T2 timeouts """ + """Test T1 and T2 timeouts""" self.wait_for_solicit() self.send_advertise() @@ -384,10 +407,9 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.wait_for_rebind() def test_addresses(self): - """ Test handling of addresses """ + """Test handling of addresses""" - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=1, - validlft=2) + ia_na_opts = DHCP6OptIAAddress(addr="7:8::2", preflft=1, validlft=2) self.wait_for_solicit() self.send_advertise(t1=20, t2=40, ianaopts=ia_na_opts) @@ -399,7 +421,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): new_addresses = self.get_addresses() self.assertEqual(len(new_addresses), 1) addr = list(new_addresses)[0] - self.assertEqual(addr, '7:8::2') + self.assertEqual(addr, "7:8::2") self.sleep(2) @@ -410,7 +432,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.assertEqual(len(new_addresses), 0) def test_sending_client_messages_solicit(self): - """ VPP receives messages from DHCPv6 client """ + """VPP receives messages from DHCPv6 client""" self.wait_for_solicit() self.send_packet(DHCP6_Solicit) @@ -421,7 +443,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.wait_for_solicit(is_resend=True) def test_sending_inappropriate_packets(self): - """ Server sends messages with inappropriate message types """ + """Server sends messages with inappropriate message types""" self.wait_for_solicit() self.send_reply() @@ -434,7 +456,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.wait_for_renew() def test_no_address_available_in_advertise(self): - """ Advertise message contains NoAddrsAvail status code """ + """Advertise message contains NoAddrsAvail status code""" self.wait_for_solicit() noavail = DHCP6OptStatusCode(statuscode=2) # NoAddrsAvail @@ -442,12 +464,12 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.wait_for_solicit(is_resend=True) def test_preferred_greater_than_valid_lifetime(self): - """ Preferred lifetime is greater than valid lifetime """ + """Preferred lifetime is greater than valid lifetime""" self.wait_for_solicit() self.send_advertise() self.wait_for_request() - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=4, validlft=3) + ia_na_opts = DHCP6OptIAAddress(addr="7:8::2", preflft=4, validlft=3) self.send_reply(ianaopts=ia_na_opts) self.sleep(0.5) @@ -459,12 +481,12 @@ class TestDHCPv6IANAControlPlane(VppTestCase): self.assertEqual(len(new_addresses), 0) def test_T1_greater_than_T2(self): - """ T1 is greater than T2 """ + """T1 is greater than T2""" self.wait_for_solicit() self.send_advertise() self.wait_for_request() - ia_na_opts = DHCP6OptIAAddress(addr='7:8::2', preflft=4, validlft=8) + ia_na_opts = DHCP6OptIAAddress(addr="7:8::2", preflft=4, validlft=8) self.send_reply(t1=80, t2=40, ianaopts=ia_na_opts) self.sleep(0.5) @@ -478,7 +500,7 @@ class TestDHCPv6IANAControlPlane(VppTestCase): @tag_fixme_vpp_workers class TestDHCPv6PDControlPlane(VppTestCase): - """ DHCPv6 PD Control Plane Test Case """ + """DHCPv6 PD Control Plane Test Case""" @classmethod def setUpClass(cls): @@ -502,22 +524,19 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.T2 = 2 fib = self.vapi.ip_route_dump(0, True) - self.initial_addresses = set(self.get_interface_addresses(fib, - self.pg1)) + self.initial_addresses = set(self.get_interface_addresses(fib, self.pg1)) self.pg_enable_capture(self.pg_interfaces) self.pg_start() - self.prefix_group = 'my-pd-prefix-group' + self.prefix_group = "my-pd-prefix-group" self.vapi.dhcp6_pd_client_enable_disable( - enable=1, - sw_if_index=self.pg0.sw_if_index, - prefix_group=self.prefix_group) + enable=1, sw_if_index=self.pg0.sw_if_index, prefix_group=self.prefix_group + ) def tearDown(self): - self.vapi.dhcp6_pd_client_enable_disable(self.pg0.sw_if_index, - enable=0) + self.vapi.dhcp6_pd_client_enable_disable(self.pg0.sw_if_index, enable=0) for i in self.interfaces: i.admin_down() @@ -560,12 +579,12 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.trid = packet[msg_type].trid ip = packet[IPv6] udp = packet[UDP] - self.assertEqual(ip.dst, 'ff02::1:2') + self.assertEqual(ip.dst, "ff02::1:2") self.assertEqual(udp.sport, 546) self.assertEqual(udp.dport, 547) dhcpv6 = packet[msg_type] elapsed_time = dhcpv6[DHCP6OptElapsedTime] - if (is_resend): + if is_resend: self.assertNotEqual(elapsed_time.elapsedtime, 0) else: self.assertEqual(elapsed_time.elapsedtime, 0) @@ -604,15 +623,15 @@ class TestDHCPv6PDControlPlane(VppTestCase): opt_ia_pd = DHCP6OptIA_PD(iaid=1, T1=t1, T2=t2) else: opt_ia_pd = DHCP6OptIA_PD(iaid=1, T1=t1, T2=t2, iapdopt=iapdopt) - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), - dst=self.pg0.local_ip6_ll) / - UDP(sport=547, dport=546) / - msg_type(trid=self.trid) / - DHCP6OptServerId(duid=self.server_duid) / - DHCP6OptClientId(duid=self.client_duid) / - opt_ia_pd - ) + p = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IPv6(src=util.mk_ll_addr(self.pg0.remote_mac), dst=self.pg0.local_ip6_ll) + / UDP(sport=547, dport=546) + / msg_type(trid=self.trid) + / DHCP6OptServerId(duid=self.server_duid) + / DHCP6OptClientId(duid=self.client_duid) + / opt_ia_pd + ) self.pg0.add_stream([p]) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -624,7 +643,7 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.send_packet(DHCP6_Reply, t1, t2, iapdopt) def test_T1_and_T2_timeouts(self): - """ Test T1 and T2 timeouts """ + """Test T1 and T2 timeouts""" self.wait_for_solicit() self.send_advertise() @@ -642,18 +661,20 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.wait_for_rebind() def test_prefixes(self): - """ Test handling of prefixes """ + """Test handling of prefixes""" - address1 = '::2:0:0:0:405/60' - address2 = '::76:0:0:0:406/62' + address1 = "::2:0:0:0:405/60" + address2 = "::76:0:0:0:406/62" try: self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address1, - prefix_group=self.prefix_group) + prefix_group=self.prefix_group, + ) - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=2, - validlft=3) + ia_pd_opts = DHCP6OptIAPrefix( + prefix="7:8::", plen=56, preflft=2, validlft=3 + ) self.wait_for_solicit() self.send_advertise(t1=20, t2=40, iapdopt=ia_pd_opts) @@ -665,14 +686,15 @@ class TestDHCPv6PDControlPlane(VppTestCase): new_addresses = self.get_addresses() self.assertEqual(len(new_addresses), 1) addr = list(new_addresses)[0] - self.assertEqual(addr, '7:8:0:2::405') + self.assertEqual(addr, "7:8:0:2::405") self.sleep(1) self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address2, - prefix_group=self.prefix_group) + prefix_group=self.prefix_group, + ) self.sleep(1) @@ -683,10 +705,10 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.assertEqual(len(new_addresses), 2) addr1 = list(new_addresses)[0] addr2 = list(new_addresses)[1] - if addr1 == '7:8:0:76::406': + if addr1 == "7:8:0:76::406": addr1, addr2 = addr2, addr1 - self.assertEqual(addr1, '7:8:0:2::405') - self.assertEqual(addr2, '7:8:0:76::406') + self.assertEqual(addr1, "7:8:0:2::405") + self.assertEqual(addr2, "7:8:0:76::406") self.sleep(1) @@ -701,15 +723,19 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address1, - prefix_group=self.prefix_group, is_add=0) + prefix_group=self.prefix_group, + is_add=0, + ) if address2 is not None: self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address2, - prefix_group=self.prefix_group, is_add=0) + prefix_group=self.prefix_group, + is_add=0, + ) def test_sending_client_messages_solicit(self): - """ VPP receives messages from DHCPv6 client """ + """VPP receives messages from DHCPv6 client""" self.wait_for_solicit() self.send_packet(DHCP6_Solicit) @@ -720,7 +746,7 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.wait_for_solicit(is_resend=True) def test_sending_inappropriate_packets(self): - """ Server sends messages with inappropriate message types """ + """Server sends messages with inappropriate message types""" self.wait_for_solicit() self.send_reply() @@ -733,7 +759,7 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.wait_for_renew() def test_no_prefix_available_in_advertise(self): - """ Advertise message contains NoPrefixAvail status code """ + """Advertise message contains NoPrefixAvail status code""" self.wait_for_solicit() noavail = DHCP6OptStatusCode(statuscode=6) # NoPrefixAvail @@ -741,20 +767,22 @@ class TestDHCPv6PDControlPlane(VppTestCase): self.wait_for_solicit(is_resend=True) def test_preferred_greater_than_valid_lifetime(self): - """ Preferred lifetime is greater than valid lifetime """ + """Preferred lifetime is greater than valid lifetime""" - address1 = '::2:0:0:0:405/60' + address1 = "::2:0:0:0:405/60" try: self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address1, - prefix_group=self.prefix_group) + prefix_group=self.prefix_group, + ) self.wait_for_solicit() self.send_advertise() self.wait_for_request() - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=4, - validlft=3) + ia_pd_opts = DHCP6OptIAPrefix( + prefix="7:8::", plen=56, preflft=4, validlft=3 + ) self.send_reply(iapdopt=ia_pd_opts) self.sleep(0.5) @@ -770,23 +798,26 @@ class TestDHCPv6PDControlPlane(VppTestCase): sw_if_index=self.pg1.sw_if_index, address_with_prefix=address1, prefix_group=self.prefix_group, - is_add=0) + is_add=0, + ) def test_T1_greater_than_T2(self): - """ T1 is greater than T2 """ + """T1 is greater than T2""" - address1 = '::2:0:0:0:405/60' + address1 = "::2:0:0:0:405/60" try: self.vapi.ip6_add_del_address_using_prefix( sw_if_index=self.pg1.sw_if_index, address_with_prefix=address1, - prefix_group=self.prefix_group) + prefix_group=self.prefix_group, + ) self.wait_for_solicit() self.send_advertise() self.wait_for_request() - ia_pd_opts = DHCP6OptIAPrefix(prefix='7:8::', plen=56, preflft=4, - validlft=8) + ia_pd_opts = DHCP6OptIAPrefix( + prefix="7:8::", plen=56, preflft=4, validlft=8 + ) self.send_reply(t1=80, t2=40, iapdopt=ia_pd_opts) self.sleep(0.5) @@ -802,4 +833,5 @@ class TestDHCPv6PDControlPlane(VppTestCase): sw_if_index=self.pg1.sw_if_index, prefix_group=self.prefix_group, address_with_prefix=address1, - is_add=False) + is_add=False, + ) |