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-rw-r--r--test/test_dhcp6.py314
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,
+ )