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

[Lijuan Tu]

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