svn commit: r356493 - in stable/12/tests/sys/netinet6: . frag6
Bjoern A. Zeeb
bz at FreeBSD.org
Wed Jan 8 16:32:19 UTC 2020
Author: bz
Date: Wed Jan 8 16:32:16 2020
New Revision: 356493
URL: https://svnweb.freebsd.org/changeset/base/356493
Log:
MFC r354357-354358,354390,354395:
frag6 tests: set end to catch timeout as error
ipv6 tests: Add very simplistic extension header tests
ipv6 tests: cleanup
ipv6 tests: test case for scapy bpf parsing bug
PR: 239380
Added:
stable/12/tests/sys/netinet6/exthdr.py
- copied unchanged from r354358, head/tests/sys/netinet6/exthdr.py
stable/12/tests/sys/netinet6/exthdr.sh
- copied, changed from r354358, head/tests/sys/netinet6/exthdr.sh
stable/12/tests/sys/netinet6/scapyi386.py
- copied unchanged from r354395, head/tests/sys/netinet6/scapyi386.py
stable/12/tests/sys/netinet6/scapyi386.sh
- copied unchanged from r354395, head/tests/sys/netinet6/scapyi386.sh
Modified:
stable/12/tests/sys/netinet6/Makefile
stable/12/tests/sys/netinet6/frag6/frag6.subr
stable/12/tests/sys/netinet6/frag6/frag6_02.py
stable/12/tests/sys/netinet6/frag6/frag6_04.py
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/tests/sys/netinet6/Makefile
==============================================================================
--- stable/12/tests/sys/netinet6/Makefile Wed Jan 8 16:15:43 2020 (r356492)
+++ stable/12/tests/sys/netinet6/Makefile Wed Jan 8 16:32:16 2020 (r356493)
@@ -1,6 +1,19 @@
# $FreeBSD$
+PACKAGE= tests
+
TESTSDIR= ${TESTSBASE}/sys/netinet6
+FILESDIR= ${TESTSDIR}
+
+ATF_TESTS_SH= \
+ exthdr \
+ scapyi386
+
+${PACKAGE}FILES+= exthdr.py
+${PACKAGE}FILES+= scapyi386.py
+
+${PACKAGE}FILESMODE_exthdr.py= 0555
+${PACKAGE}FILESMODE_scapyi386.py=0555
TESTS_SUBDIRS+= frag6
Copied: stable/12/tests/sys/netinet6/exthdr.py (from r354358, head/tests/sys/netinet6/exthdr.py)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/12/tests/sys/netinet6/exthdr.py Wed Jan 8 16:32:16 2020 (r356493, copy of r354358, head/tests/sys/netinet6/exthdr.py)
@@ -0,0 +1,273 @@
+#!/usr/bin/env python
+#-
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2019 Netflix, Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+import argparse
+import scapy.all as sp
+import socket
+import sys
+import frag6.sniffer as Sniffer
+from time import sleep
+
+def check_icmp6_error_dst_unreach_noport(args, packet):
+ ip6 = packet.getlayer(sp.IPv6)
+ if not ip6:
+ return False
+ oip6 = sp.IPv6(src=args.src[0], dst=args.to[0])
+ if ip6.dst != oip6.src:
+ return False
+ icmp6 = packet.getlayer(sp.ICMPv6DestUnreach)
+ if not icmp6:
+ return False
+ # ICMP6_DST_UNREACH_NOPORT 4
+ if icmp6.code != 4:
+ return False
+ # Should we check the payload as well?
+ # We are running in a very isolated environment and nothing else
+ # should trigger an ICMPv6 Dest Unreach / Port Unreach so leave it.
+ #icmp6.display()
+ return True
+
+def check_icmp6_error_paramprob_header(args, packet):
+ ip6 = packet.getlayer(sp.IPv6)
+ if not ip6:
+ return False
+ oip6 = sp.IPv6(src=args.src[0], dst=args.to[0])
+ if ip6.dst != oip6.src:
+ return False
+ icmp6 = packet.getlayer(sp.ICMPv6ParamProblem)
+ if not icmp6:
+ return False
+ # ICMP6_PARAMPROB_HEADER 0
+ if icmp6.code != 0:
+ return False
+ # Should we check the payload as well?
+ # We are running in a very isolated environment and nothing else
+ # should trigger an ICMPv6 Param Prob so leave it.
+ #icmp6.display()
+ return True
+
+def check_tcp_rst(args, packet):
+ ip6 = packet.getlayer(sp.IPv6)
+ if not ip6:
+ return False
+ oip6 = sp.IPv6(src=args.src[0], dst=args.to[0])
+ if ip6.dst != oip6.src:
+ return False
+ tcp = packet.getlayer(sp.TCP)
+ if not tcp:
+ return False
+ # Is TCP RST?
+ if tcp.flags & 0x04:
+ #tcp.display()
+ return True
+ return False
+
+def addExt(ext, h):
+ if h is None:
+ return ext
+ if ext is None:
+ ext = h
+ else:
+ ext = ext / h
+ return ext
+
+def getExtHdrs(args):
+ ext = None
+
+ # XXX-TODO Try to put them in an order which could make sense
+ # in real life packets and according to the RFCs.
+ if args.hbh:
+ hbh = sp.IPv6ExtHdrHopByHop(options = \
+ sp.PadN(optdata="\x00\x00\x00\x00\x00\x00"))
+ ext = addExt(ext, hbh)
+
+ if args.rh:
+ rh = sp.IPv6ExtHdrRouting(type = 0)
+ ext = addExt(ext, rh)
+
+ if args.frag6:
+ frag6 = sp.IPv6ExtHdrFragment(offset=0, m=0, id=0x1234)
+ ext = addExt(ext, frag6)
+
+ if args.esp:
+ # XXX TODO
+ esp = None
+ ext = addExt(ext, esp)
+
+ if args.ah:
+ # XXX TODO
+ ah = None
+ ext = addExt(ext, ah)
+
+ if args.dest:
+ dest = sp.IPv6ExtHdrDestOpt(options = \
+ sp.PadN(optdata="\x00\x00\x00\x00\x00\x00"))
+ ext = addExt(ext, dest)
+
+ if args.mobi:
+ # XXX TODO
+ mobi = None
+ ext = addExt(ext, mobi)
+
+ if args.hip:
+ # XXX TODO
+ hip = None
+ ext = addExt(ext, hip)
+
+ if args.shim6:
+ # XXX TODO
+ shim6 = None
+ ext = addExt(ext, shim6)
+
+ if args.proto253:
+ # XXX TODO
+ tft = None
+ ext = addExt(ext, tft)
+
+ if args.proto254:
+ # XXX TODO
+ tff = None
+ ext = addExt(ext, tff)
+
+ if args.hbhbad:
+ hbhbad = sp.IPv6ExtHdrHopByHop(options = \
+ sp.PadN(optdata="\x00\x00\x00\x00\x00\x00"))
+ ext = addExt(ext, hbhbad)
+
+ return ext
+
+def main():
+ parser = argparse.ArgumentParser("exthdr.py",
+ description="IPv6 extension header test tool")
+ parser.add_argument('--sendif', nargs=1,
+ required=True,
+ help='The interface through which the packet will be sent')
+ parser.add_argument('--recvif', nargs=1,
+ required=True,
+ help='The interface on which to check for the packet')
+ parser.add_argument('--src', nargs=1,
+ required=True,
+ help='The source IP address')
+ parser.add_argument('--to', nargs=1,
+ required=True,
+ help='The destination IP address')
+ parser.add_argument('--debug',
+ required=False, action='store_true',
+ help='Enable test debugging')
+ # Extension Headers
+ # See https://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xhtml
+ parser.add_argument('--hbh',
+ required=False, action='store_true',
+ help='Add IPv6 Hop-by-Hop Option')
+ parser.add_argument('--hbhbad',
+ required=False, action='store_true',
+ help='Add IPv6 Hop-by-Hop Option at an invalid position')
+ parser.add_argument('--rh',
+ required=False, action='store_true',
+ help='Add Routing Header for IPv6')
+ parser.add_argument('--frag6',
+ required=False, action='store_true',
+ help='Add Fragment Header for IPv6')
+ parser.add_argument('--esp',
+ required=False, action='store_true',
+ help='Add Encapsulating Security Payload')
+ parser.add_argument('--ah',
+ required=False, action='store_true',
+ help='Add Authentication Header')
+ parser.add_argument('--dest',
+ required=False, action='store_true',
+ help='Add Destination Options for IPv6')
+ parser.add_argument('--mobi',
+ required=False, action='store_true',
+ help='Add Mobility Header')
+ parser.add_argument('--hip',
+ required=False, action='store_true',
+ help='Add Host Identity Protocol')
+ parser.add_argument('--shim6',
+ required=False, action='store_true',
+ help='Add Shim6 Protocol')
+ parser.add_argument('--proto253',
+ required=False, action='store_true',
+ help='Use for experimentation and testing (253)')
+ parser.add_argument('--proto254',
+ required=False, action='store_true',
+ help='Use for experimentation and testing (254)')
+
+ args = parser.parse_args()
+
+ if args.hbhbad:
+ ok = 0
+ else:
+ ok = 1
+
+ ########################################################################
+ #
+ # Send IPv6 packets with one or more extension headers (combinations
+ # mmight not always make sense depending what user tells us).
+ # We are trying to cover the basic loop and passing mbufs on
+ # and making sure m_pullup() works.
+ # Try for at least UDP and TCP upper layer payloads.
+ #
+ # Expectations: no panics
+ # We are not testing for any other outcome here.
+ #
+ data = "6" * 88
+ udp = sp.UDP(dport=3456, sport=6543) / data
+ tcp = sp.TCP(dport=4567, sport=7654)
+ ip6 = sp.Ether() / sp.IPv6(src=args.src[0], dst=args.to[0])
+ for ulp in [ udp, tcp ]:
+ ext = getExtHdrs(args)
+ if ext is not None:
+ pkt = ip6 / ext / ulp
+ else:
+ pkt = ip6 / ulp
+ if args.debug :
+ pkt.display()
+ if not ok:
+ sc = check_icmp6_error_paramprob_header;
+ elif ulp == udp:
+ sc = check_icmp6_error_dst_unreach_noport;
+ elif ulp == tcp:
+ sc = check_tcp_rst;
+ else:
+ sys.exit(2)
+ # Start sniffing on recvif
+ sniffer = Sniffer.Sniffer(args, sc)
+ sp.sendp(pkt, iface=args.sendif[0], verbose=False)
+ sleep(0.10)
+ sniffer.setEnd()
+ sniffer.join()
+ if not sniffer.foundCorrectPacket:
+ sys.exit(not ok)
+
+ sys.exit(0)
+
+if __name__ == '__main__':
+ main()
Copied and modified: stable/12/tests/sys/netinet6/exthdr.sh (from r354358, head/tests/sys/netinet6/exthdr.sh)
==============================================================================
--- head/tests/sys/netinet6/exthdr.sh Tue Nov 5 10:59:33 2019 (r354358, copy source)
+++ stable/12/tests/sys/netinet6/exthdr.sh Wed Jan 8 16:32:16 2020 (r356493)
@@ -31,7 +31,7 @@
atf_test_case "exthdr" "cleanup"
exthdr_head() {
- atf_set descr 'Test IPv6 fragmentation code'
+ atf_set descr 'Test IPv6 extension header code paths'
atf_set require.user root
atf_set require.progs scapy
}
@@ -54,12 +54,12 @@ exthdr_body() {
ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
epair=$(vnet_mkepair)
- ifconfig ${epair}a mtu 131071 up
+ ifconfig ${epair}a up
ifconfig ${epair}a inet6 ${ip6a}/64
jname="v6t-${id}-${yl}-${xl}"
vnet_mkjail ${jname} ${epair}b
- jexec ${jname} ifconfig ${epair}b mtu 131071 up
+ jexec ${jname} ifconfig ${epair}b up
jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
# Let IPv6 ND do its thing.
@@ -70,7 +70,7 @@ exthdr_body() {
# Clear statistics.
jexec ${jname} netstat -z -s > /dev/null
- # Run fragment tests.
+ # Run extension header tests.
pyname=$(atf_get ident)
pyname=${pyname%*_[0-9]}
Modified: stable/12/tests/sys/netinet6/frag6/frag6.subr
==============================================================================
--- stable/12/tests/sys/netinet6/frag6/frag6.subr Wed Jan 8 16:15:43 2020 (r356492)
+++ stable/12/tests/sys/netinet6/frag6/frag6.subr Wed Jan 8 16:32:16 2020 (r356493)
@@ -54,12 +54,12 @@ frag6_body()
ip6b="2001:db8:6666:6666:${yl}:${id}:2:${xl}"
epair=$(vnet_mkepair)
- ifconfig ${epair}a mtu 131071 up
+ ifconfig ${epair}a up
ifconfig ${epair}a inet6 ${ip6a}/64
jname="v6t-${id}-${yl}-${xl}"
vnet_mkjail ${jname} ${epair}b
- jexec ${jname} ifconfig ${epair}b mtu 131071 up
+ jexec ${jname} ifconfig ${epair}b up
jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
# Let IPv6 ND do its thing.
Modified: stable/12/tests/sys/netinet6/frag6/frag6_02.py
==============================================================================
--- stable/12/tests/sys/netinet6/frag6/frag6_02.py Wed Jan 8 16:15:43 2020 (r356492)
+++ stable/12/tests/sys/netinet6/frag6/frag6_02.py Wed Jan 8 16:32:16 2020 (r356493)
@@ -98,6 +98,7 @@ def main():
sp.sendp(ip6f01, iface=args.sendif[0], verbose=False)
sleep(0.10)
+ sniffer.setEnd()
sniffer.join()
if not sniffer.foundCorrectPacket:
sys.exit(1)
Modified: stable/12/tests/sys/netinet6/frag6/frag6_04.py
==============================================================================
--- stable/12/tests/sys/netinet6/frag6/frag6_04.py Wed Jan 8 16:15:43 2020 (r356492)
+++ stable/12/tests/sys/netinet6/frag6/frag6_04.py Wed Jan 8 16:32:16 2020 (r356493)
@@ -95,6 +95,7 @@ def main():
sp.sendp(ip6f01, iface=args.sendif[0], verbose=False)
sleep(0.10)
+ sniffer.setEnd()
sniffer.join()
if not sniffer.foundCorrectPacket:
sys.exit(1)
Copied: stable/12/tests/sys/netinet6/scapyi386.py (from r354395, head/tests/sys/netinet6/scapyi386.py)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/12/tests/sys/netinet6/scapyi386.py Wed Jan 8 16:32:16 2020 (r356493, copy of r354395, head/tests/sys/netinet6/scapyi386.py)
@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+#-
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2019 Netflix, Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+import argparse
+import scapy.all as sp
+import socket
+import sys
+
+def main():
+ parser = argparse.ArgumentParser("scapyi386.py",
+ description="IPv6 Ethernet Dest MAC test")
+ parser.add_argument('--sendif', nargs=1,
+ required=True,
+ help='The interface through which the packet will be sent')
+ parser.add_argument('--recvif', nargs=1,
+ required=True,
+ help='The interface on which to check for the packet')
+ parser.add_argument('--src', nargs=1,
+ required=True,
+ help='The source IP address')
+ parser.add_argument('--to', nargs=1,
+ required=True,
+ help='The destination IP address')
+ parser.add_argument('--debug',
+ required=False, action='store_true',
+ help='Enable test debugging')
+
+ args = parser.parse_args()
+
+ ########################################################################
+ #
+ # A test case to check that IPv6 packets are sent with a proper
+ # (resolved) Ethernet Destination MAC address instead of the BCAST one.
+ # This was needed as test cases did not work properly on i386 due to a
+ # scapy BPF parsing bug. (See PR 239380 and duplicates).
+ #
+ bcmac = sp.Ether(dst="ff:ff:ff:ff:ff:ff").dst
+ data = "6" * 88
+ pkt = sp.Ether() / \
+ sp.IPv6(src=args.src[0], dst=args.to[0]) / \
+ sp.UDP(dport=3456, sport=6543) / \
+ data
+ sp.sendp(pkt, iface=args.sendif[0], verbose=False)
+
+ eth = pkt.getlayer(sp.Ether)
+ if eth is None:
+ print("No Ether in packet")
+ pkt.display()
+ sys.exit(1)
+ if eth.dst == bcmac:
+ print("Broadcast dMAC on packet")
+ eth.display()
+ sys.exit(1)
+
+ sys.exit(0)
+
+if __name__ == '__main__':
+ main()
Copied: stable/12/tests/sys/netinet6/scapyi386.sh (from r354395, head/tests/sys/netinet6/scapyi386.sh)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/12/tests/sys/netinet6/scapyi386.sh Wed Jan 8 16:32:16 2020 (r356493, copy of r354395, head/tests/sys/netinet6/scapyi386.sh)
@@ -0,0 +1,94 @@
+# $FreeBSD$
+#-
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2019 Netflix, Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "scapyi386" "cleanup"
+scapyi386_head() {
+
+ atf_set descr 'Test for correct Ethernet Destination MAC address'
+ atf_set require.user root
+ atf_set require.progs scapy
+}
+
+scapyi386_body() {
+
+ if [ "$(atf_config_get ci false)" = "true" ] && \
+ [ "$(uname -p)" = "i386" ]; then
+ atf_skip "https://bugs.freebsd.org/239380"
+ fi
+
+ ids=65533
+ id=`printf "%x" ${ids}`
+ if [ $$ -gt 65535 ]; then
+ xl=`printf "%x" $(($$ - 65535))`
+ yl="1"
+ else
+ xl=`printf "%x" $$`
+ yl=""
+ fi
+
+ vnet_init
+
+ ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+ ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a up
+ ifconfig ${epair}a inet6 ${ip6a}/64
+
+ jname="v6t-${id}-${yl}-${xl}"
+ vnet_mkjail ${jname} ${epair}b
+ jexec ${jname} ifconfig ${epair}b up
+ jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
+
+ # Let IPv6 ND do its thing.
+ #ping6 -q -c 1 ff02::1%${epair}a
+ #ping6 -q -c 1 ${ip6b}
+ sleep 3
+
+ pyname=$(atf_get ident)
+ pyname=${pyname%*_[0-9]}
+
+ atf_check -s exit:0 $(atf_get_srcdir)/${pyname}.py \
+ --sendif ${epair}a --recvif ${epair}a \
+ --src ${ip6a} --to ${ip6b}
+}
+
+scapyi386_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case "scapyi386"
+}
+
+# end
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