from scapy.layers.l2 import Ether, GRE
from scapy.layers.inet import IP, UDP, ICMP
from scapy.layers.inet6 import HBHOptUnknown, ICMPv6ParamProblem,\
- ICMPv6TimeExceeded, IPv6, IPv6ExtHdrFragment, IPv6ExtHdrHopByHop
+ ICMPv6TimeExceeded, IPv6, IPv6ExtHdrFragment,\
+ IPv6ExtHdrHopByHop, IPv6ExtHdrDestOpt, PadN, ICMPv6EchoRequest
from framework import VppTestCase, VppTestRunner
from util import ppp, ppc, fragment_rfc791, fragment_rfc8200
from vpp_gre_interface import VppGreInterface
# 35 is enough to have >257 400-byte fragments
test_packet_count = 35
-# number of workers used for multi-worker test cases
-worker_count = 3
-
class TestIPv4Reassembly(VppTestCase):
""" IPv4 Reassembly """
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10000)
self.src_if.add_stream(fragments)
self.pg_start()
- self.sleep(.25, "wait before sending rest of fragments")
+ self.virtual_sleep(.25, "wait before sending rest of fragments")
self.src_if.add_stream(fragments2)
self.pg_start()
max_reassembly_length=1000,
type=VppEnum.vl_api_ip_reass_type_t.IP_REASS_TYPE_SHALLOW_VIRTUAL,
expire_walk_interval_ms=10)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(
timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
self.assertEqual(sent[Raw].payload, recvd[Raw].payload)
# wait for cleanup
- self.sleep(.25, "wait before sending rest of fragments")
+ self.virtual_sleep(.25, "wait before sending rest of fragments")
# send rest of fragments - shouldn't be forwarded
self.pg_enable_capture()
class TestIPv4MWReassembly(VppTestCase):
""" IPv4 Reassembly (multiple workers) """
- worker_config = "workers %d" % worker_count
+ vpp_worker_count = 3
@classmethod
def setUpClass(cls):
super(TestIPv4MWReassembly, cls).setUpClass()
- cls.create_pg_interfaces(range(worker_count+1))
+ cls.create_pg_interfaces(range(cls.vpp_worker_count+1))
cls.src_if = cls.pg0
cls.send_ifs = cls.pg_interfaces[:-1]
cls.dst_if = cls.pg_interfaces[-1]
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10000)
"Packet with packet_index %d not received" % index)
def send_packets(self, packets):
- for counter in range(worker_count):
+ for counter in range(self.vpp_worker_count):
if 0 == len(packets[counter]):
continue
send_if = self.send_ifs[counter]
# in first wave we send fragments which don't start at offset 0
# then we send fragments with offset 0 on a different thread
# then the rest of packets on a random thread
- first_packets = [[] for n in range(worker_count)]
- second_packets = [[] for n in range(worker_count)]
- rest_of_packets = [[] for n in range(worker_count)]
+ first_packets = [[] for n in range(self.vpp_worker_count)]
+ second_packets = [[] for n in range(self.vpp_worker_count)]
+ rest_of_packets = [[] for n in range(self.vpp_worker_count)]
for (_, p) in self.pkt_infos:
- wi = randrange(worker_count)
+ wi = randrange(self.vpp_worker_count)
second_packets[wi].append(p[0])
if len(p) <= 1:
continue
wi2 = wi
while wi2 == wi:
- wi2 = randrange(worker_count)
+ wi2 = randrange(self.vpp_worker_count)
first_packets[wi2].append(p[1])
- wi3 = randrange(worker_count)
+ wi3 = randrange(self.vpp_worker_count)
rest_of_packets[wi3].extend(p[2:])
self.pg_enable_capture()
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10, is_ip6=1)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10000, is_ip6=1)
self.src_if.add_stream(fragments)
self.pg_start()
- self.sleep(.25, "wait before sending rest of fragments")
+ self.virtual_sleep(.25, "wait before sending rest of fragments")
self.src_if.add_stream(fragments2)
self.pg_start()
def test_missing_upper(self):
""" missing upper layer """
+ optdata = '\x00' * 100
p = (Ether(dst=self.src_if.local_mac, src=self.src_if.remote_mac) /
IPv6(src=self.src_if.remote_ip6,
dst=self.src_if.local_ip6) /
- UDP(sport=1234, dport=5678) /
- Raw())
- self.extend_packet(p, 1000, self.padding)
- fragments = fragment_rfc8200(p, 1, 500)
- bad_fragment = p.__class__(scapy.compat.raw(fragments[1]))
- bad_fragment[IPv6ExtHdrFragment].nh = 59
- bad_fragment[IPv6ExtHdrFragment].offset = 0
+ IPv6ExtHdrFragment(m=1) /
+ IPv6ExtHdrDestOpt(nh=17, options=PadN(optdata='\101' * 255) /
+ PadN(optdata='\102'*255)))
+
self.pg_enable_capture()
- self.src_if.add_stream([bad_fragment])
+ self.src_if.add_stream([p])
self.pg_start()
pkts = self.src_if.get_capture(expected_count=1)
icmp = pkts[0]
self.assertIn(ICMPv6ParamProblem, icmp)
self.assert_equal(icmp[ICMPv6ParamProblem].code, 0, "ICMP code")
+ def test_atomic_fragment(self):
+ """ IPv6 atomic fragment """
+ pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6,
+ nh=44, plen=65535) /
+ IPv6ExtHdrFragment(offset=8191, m=1, res1=0xFF, res2=0xFF,
+ nh=255, id=0xffff)/('X'*1452))
+
+ rx = self.send_and_expect(self.pg0, [pkt], self.pg0)
+ self.assertIn(ICMPv6ParamProblem, rx[0])
+
+ def test_truncated_fragment(self):
+ """ IPv6 truncated fragment header """
+ pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6,
+ nh=44, plen=2) /
+ IPv6ExtHdrFragment(nh=6))
+
+ self.send_and_assert_no_replies(self.pg0, [pkt], self.pg0)
+
+ pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
+ ICMPv6EchoRequest())
+ rx = self.send_and_expect(self.pg0, [pkt], self.pg0)
+
class TestIPv6MWReassembly(VppTestCase):
""" IPv6 Reassembly (multiple workers) """
- worker_config = "workers %d" % worker_count
+ vpp_worker_count = 3
@classmethod
def setUpClass(cls):
super(TestIPv6MWReassembly, cls).setUpClass()
- cls.create_pg_interfaces(range(worker_count+1))
+ cls.create_pg_interfaces(range(cls.vpp_worker_count+1))
cls.src_if = cls.pg0
cls.send_ifs = cls.pg_interfaces[:-1]
cls.dst_if = cls.pg_interfaces[-1]
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10, is_ip6=1)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=1000, is_ip6=1)
"Packet with packet_index %d not received" % index)
def send_packets(self, packets):
- for counter in range(worker_count):
+ for counter in range(self.vpp_worker_count):
if 0 == len(packets[counter]):
continue
send_if = self.send_ifs[counter]
# in first wave we send fragments which don't start at offset 0
# then we send fragments with offset 0 on a different thread
# then the rest of packets on a random thread
- first_packets = [[] for n in range(worker_count)]
- second_packets = [[] for n in range(worker_count)]
- rest_of_packets = [[] for n in range(worker_count)]
+ first_packets = [[] for n in range(self.vpp_worker_count)]
+ second_packets = [[] for n in range(self.vpp_worker_count)]
+ rest_of_packets = [[] for n in range(self.vpp_worker_count)]
for (_, p) in self.pkt_infos:
- wi = randrange(worker_count)
+ wi = randrange(self.vpp_worker_count)
second_packets[wi].append(p[0])
if len(p) <= 1:
continue
wi2 = wi
while wi2 == wi:
- wi2 = randrange(worker_count)
+ wi2 = randrange(self.vpp_worker_count)
first_packets[wi2].append(p[1])
- wi3 = randrange(worker_count)
+ wi3 = randrange(self.vpp_worker_count)
rest_of_packets[wi3].extend(p[2:])
self.pg_enable_capture()
max_reassembly_length=1000,
type=VppEnum.vl_api_ip_reass_type_t.IP_REASS_TYPE_SHALLOW_VIRTUAL,
expire_walk_interval_ms=10, is_ip6=1)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(
timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
self.assertEqual(sent[Raw].payload, recvd[Raw].payload)
# wait for cleanup
- self.sleep(.25, "wait before sending rest of fragments")
+ self.virtual_sleep(.25, "wait before sending rest of fragments")
# send rest of fragments - shouldn't be forwarded
self.pg_enable_capture()
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10000)
self.vapi.ip_reassembly_set(timeout_ms=0, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10, is_ip6=1)
- self.sleep(.25)
+ self.virtual_sleep(.25)
self.vapi.ip_reassembly_set(timeout_ms=1000000, max_reassemblies=1000,
max_reassembly_length=1000,
expire_walk_interval_ms=10000)
Code Review / vpp.git / blobdiff