[dts] [PATCH V1] Use tcpdump_sniff_packets instead of sniff method

[Tu, Lijuan]

Sorry, applied V2 instead of V1

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Lijuan Tu
> Sent: Wednesday, December 12, 2018 3:00 AM
> To: Ma, LihongX <lihongx.ma at intel.com>; dts at dpdk.org
> Subject: Re: [dts] [PATCH V1] Use tcpdump_sniff_packets instead of sniff
> method
> 
> Applied, thanks
> 
> 
> On 2018年12月05日 09:36, lihong wrote:
> > About the test case test_vxlan_ipv6_checksum_offload,the sniff method
> > may not work well when add filter arguments, so use
> > tcpdump_sniff_packets instead of it.
> >
> > Signed-off-by: lihong <lihongx.ma at intel.com>
> > ---
> >   tests/TestSuite_vxlan.py | 8 +++-----
> >   1 file changed, 3 insertions(+), 5 deletions(-)
> >
> > diff --git a/tests/TestSuite_vxlan.py b/tests/TestSuite_vxlan.py index
> > d5a9d77..8de8384 100644
> > --- a/tests/TestSuite_vxlan.py
> > +++ b/tests/TestSuite_vxlan.py
> > @@ -447,16 +447,14 @@ class TestVxlan(TestCase, IxiaPacketGenerator):
> >           config.create_pcap()
> >
> >           # remove tempory files
> > +        config.capture_file = "/tmp/sniff_%s.pcap" % self.recv_iface
> >           self.tester.send_expect("rm -rf %s" % config.capture_file, "#
> ")
> >           # save the capture packet into pcap format
> >           self.tester.scapy_background()
> > -        self.tester.scapy_append(
> > -
> 'p=sniff(iface="%s",filter="ether[12:2]!=0x88cc",count=1,timeout=5)' %
> self.recv_iface)
> > -        self.tester.scapy_append(
> > -            'wrpcap(\"%s\", p)' % config.capture_file)
> > -        self.tester.scapy_foreground()
> >
> > +        inst = self.tester.tcpdump_sniff_packets(self.recv_iface,
> > + timeout=5)
> >           config.send_pcap(self.tester_iface)
> > +        self.tester.load_tcpdump_sniff_packets(inst)
> >           time.sleep(5)
> >
> >           # extract the checksum offload from saved pcap file