[dts] [PATCH V2] filter lldp when sniff packet on tester

Liu, Yong yong.liu at intel.com
Thu Feb 23 08:06:34 CET 2017


Huilong,
Please try sniff_packets in packet module. LLDP filter has been implemented in this function.

Thanks,
Marvin  

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of xu,huilong
> Sent: Thursday, February 23, 2017 10:41 AM
> To: dts at dpdk.org
> Cc: Xu, HuilongX <huilongx.xu at intel.com>
> Subject: [dts] [PATCH V2] filter lldp when sniff packet on tester
> 
> in new dpdk.org code, fortville nic will auto send lldp packet when the
> nic setup
> so should filter lldp packet when sniff packet on tester
> 
> Signed-off-by: xu,huilong <huilongx.xu at intel.com>
> ---
>  tests/TestSuite_checksum_offload.py | 2 +-
>  tests/TestSuite_nvgre.py            | 2 +-
>  tests/TestSuite_vxlan.py            | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tests/TestSuite_checksum_offload.py
> b/tests/TestSuite_checksum_offload.py
> index 7989c14..1f01d47 100644
> --- a/tests/TestSuite_checksum_offload.py
> +++ b/tests/TestSuite_checksum_offload.py
> @@ -105,7 +105,7 @@ class TestChecksumOffload(TestCase):
>          self.tester.send_expect("exit()", "#")
> 
>          self.tester.scapy_background()
> -        self.tester.scapy_append('p = sniff(filter="ether src %s",
> iface="%s", count=%d)' % (sniff_src, rx_interface, len(packets_sent)))
> +        self.tester.scapy_append('p = sniff(filter="ether[12] != 0x88 or
> ether[13] != 0xcc", iface="%s", count=%d)' % (rx_interface,
> len(packets_sent)))
>          self.tester.scapy_append('nr_packets=len(p)')
>          self.tester.scapy_append('reslist =
> [p[i].sprintf("%IP.chksum%;%TCP.chksum%;%UDP.chksum%;%SCTP.chksum%") for i
> in range(nr_packets)]')
>          self.tester.scapy_append('import string')
> diff --git a/tests/TestSuite_nvgre.py b/tests/TestSuite_nvgre.py
> index 015aa9f..f6161e0 100644
> --- a/tests/TestSuite_nvgre.py
> +++ b/tests/TestSuite_nvgre.py
> @@ -575,7 +575,7 @@ class TestNvgre(TestCase):
>          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",count=1,timeout=5)' %
> self.tester_rx_iface)
> +        self.tester.scapy_append('p=sniff(filter="ether[12] != 0x88 or
> ether[13 != 0xcc]",iface="%s",count=1,timeout=5)' % self.tester_rx_iface)
>          self.tester.scapy_append('wrpcap(\"%s\", p)' %
> config.capture_file)
>          self.tester.scapy_foreground()
> 
> diff --git a/tests/TestSuite_vxlan.py b/tests/TestSuite_vxlan.py
> index 5fef9d9..6aa1164 100644
> --- a/tests/TestSuite_vxlan.py
> +++ b/tests/TestSuite_vxlan.py
> @@ -446,7 +446,7 @@ class TestVxlan(TestCase, IxiaPacketGenerator):
>          # save the capture packet into pcap format
>          self.tester.scapy_background()
>          self.tester.scapy_append(
> -            'p=sniff(iface="%s",count=1,timeout=5)' % self.recv_iface)
> +            'p=sniff(filter="ether[12] != 0x88 or ether[13] !=
> 0xcc",iface="%s",count=1,timeout=5)' % self.recv_iface)
>          self.tester.scapy_append(
>              'wrpcap(\"%s\", p)' % config.capture_file)
>          self.tester.scapy_foreground()
> --
> 1.9.3



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