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

[xu,huilong]

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