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authorJan Gelety <jgelety@cisco.com>2018-06-26 12:24:03 +0200
committerDamjan Marion <dmarion@me.com>2018-07-02 15:06:58 +0000
commite6c78ee84242e28516769d5703b4f9809691c2a3 (patch)
treeb07b760cf1e7dbae19d02605a56051ad726b3945 /test/test_ip6.py
parentb0e0894c9fa46773150227a67c612b65c12d39c7 (diff)
make_test: add icmp packet size sweep and icmp echo tests
Jira: CSIT-1141 Change-Id: I162bb4e718bff188abefc7b2f33501de9c55bb03 Signed-off-by: Jan Gelety <jgelety@cisco.com>
Diffstat (limited to 'test/test_ip6.py')
-rw-r--r--test/test_ip6.py124
1 files changed, 101 insertions, 23 deletions
diff --git a/test/test_ip6.py b/test/test_ip6.py
index 21d8025d583..2f19bcf1547 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -18,7 +18,7 @@ from scapy.layers.inet6 import IPv6, UDP, TCP, ICMPv6ND_NS, ICMPv6ND_RS, \
ICMPv6ND_RA, ICMPv6NDOptSrcLLAddr, getmacbyip6, ICMPv6MRD_Solicitation, \
ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \
ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \
- ICMPv6TimeExceeded
+ ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply
from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \
in6_mactoifaceid, in6_ismaddr
from scapy.utils import inet_pton, inet_ntop
@@ -172,7 +172,6 @@ class TestIPv6(TestIPv6ND):
:ivar list interfaces: pg interfaces and subinterfaces.
:ivar dict flows: IPv4 packet flows in test.
- :ivar list pg_if_packet_sizes: packet sizes in test.
*TODO:* Create AD sub interface
"""
@@ -195,8 +194,7 @@ class TestIPv6(TestIPv6ND):
self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if]
# packet sizes
- self.pg_if_packet_sizes = [64, 512, 1518, 9018]
- self.sub_if_packet_sizes = [64, 512, 1518 + 4, 9018 + 4]
+ self.pg_if_packet_sizes = [64, 1500, 9020]
self.interfaces = list(self.pg_interfaces)
self.interfaces.extend(self.sub_interfaces)
@@ -250,27 +248,45 @@ class TestIPv6(TestIPv6ND):
(count, percent))
percent += 1
- def create_stream(self, src_if, packet_sizes):
+ def modify_packet(self, src_if, packet_size, pkt):
+ """Add load, set destination IP and extend packet to required packet
+ size for defined interface.
+
+ :param VppInterface src_if: Interface to create packet for.
+ :param int packet_size: Required packet size.
+ :param Scapy pkt: Packet to be modified.
+ """
+ dst_if_idx = packet_size / 10 % 2
+ dst_if = self.flows[src_if][dst_if_idx]
+ info = self.create_packet_info(src_if, dst_if)
+ payload = self.info_to_payload(info)
+ p = pkt/Raw(payload)
+ p[IPv6].dst = dst_if.remote_ip6
+ info.data = p.copy()
+ if isinstance(src_if, VppSubInterface):
+ p = src_if.add_dot1_layer(p)
+ self.extend_packet(p, packet_size)
+
+ return p
+
+ def create_stream(self, src_if):
"""Create input packet stream for defined interface.
:param VppInterface src_if: Interface to create packet stream for.
- :param list packet_sizes: Required packet sizes.
"""
- pkts = []
- for i in range(0, 257):
- dst_if = self.flows[src_if][i % 2]
- info = self.create_packet_info(src_if, dst_if)
- payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
- info.data = p.copy()
- if isinstance(src_if, VppSubInterface):
- p = src_if.add_dot1_layer(p)
- size = packet_sizes[(i // 2) % len(packet_sizes)]
- self.extend_packet(p, size)
- pkts.append(p)
+ hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0
+ pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IPv6(src=src_if.remote_ip6) /
+ UDP(sport=1234, dport=1234))
+
+ pkts = [self.modify_packet(src_if, i, pkt_tmpl)
+ for i in xrange(self.pg_if_packet_sizes[0],
+ self.pg_if_packet_sizes[1], 10)]
+ pkts_b = [self.modify_packet(src_if, i, pkt_tmpl)
+ for i in xrange(self.pg_if_packet_sizes[1] + hdr_ext,
+ self.pg_if_packet_sizes[2] + hdr_ext, 50)]
+ pkts.extend(pkts_b)
+
return pkts
def verify_capture(self, dst_if, capture):
@@ -333,11 +349,11 @@ class TestIPv6(TestIPv6ND):
- Send and verify received packets on each interface.
"""
- pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes)
+ pkts = self.create_stream(self.pg0)
self.pg0.add_stream(pkts)
for i in self.sub_interfaces:
- pkts = self.create_stream(i, self.sub_if_packet_sizes)
+ pkts = self.create_stream(i)
i.parent.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
@@ -898,6 +914,68 @@ class TestIPv6(TestIPv6ND):
self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
+class TestICMPv6Echo(VppTestCase):
+ """ ICMPv6 Echo Test Case """
+
+ def setUp(self):
+ super(TestICMPv6Echo, self).setUp()
+
+ # create 1 pg interface
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestICMPv6Echo, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.ip6_disable()
+ i.admin_down()
+
+ def test_icmpv6_echo(self):
+ """ VPP replies to ICMPv6 Echo Request
+
+ Test scenario:
+
+ - Receive ICMPv6 Echo Request message on pg0 interface.
+ - Check outgoing ICMPv6 Echo Reply message on pg0 interface.
+ """
+
+ icmpv6_id = 0xb
+ icmpv6_seq = 5
+ icmpv6_data = '\x0a' * 18
+ p_echo_request = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6,
+ dst=self.pg0.local_ip6) /
+ ICMPv6EchoRequest(id=icmpv6_id, seq=icmpv6_seq,
+ data=icmpv6_data))
+
+ self.pg0.add_stream(p_echo_request)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture(1)
+ rx = rx[0]
+ ether = rx[Ether]
+ ipv6 = rx[IPv6]
+ icmpv6 = rx[ICMPv6EchoReply]
+
+ self.assertEqual(ether.src, self.pg0.local_mac)
+ self.assertEqual(ether.dst, self.pg0.remote_mac)
+
+ self.assertEqual(ipv6.src, self.pg0.local_ip6)
+ self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
+
+ self.assertEqual(icmp6types[icmpv6.type], "Echo Reply")
+ self.assertEqual(icmpv6.id, icmpv6_id)
+ self.assertEqual(icmpv6.seq, icmpv6_seq)
+ self.assertEqual(icmpv6.data, icmpv6_data)
+
+
class TestIPv6RD(TestIPv6ND):
""" IPv6 Router Discovery Test Case """