[dts] [PATCH V1] fix tx_preparation failed case on fortville NIC

[dts] [PATCH V1] fix tx_preparation failed case on fortville NIC

[xu,huilong]

1.use one port run test case
2.only sniff send packet from dut, and filter lldp packet.

Signed-off-by: xu,huilong <huilongx.xu@intel.com>
---
 tests/TestSuite_tx_preparation.py | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/tests/TestSuite_tx_preparation.py b/tests/TestSuite_tx_preparation.py
index 3c3080f..5916526 100644
--- a/tests/TestSuite_tx_preparation.py
+++ b/tests/TestSuite_tx_preparation.py
@@ -87,8 +87,9 @@ class TestTX_preparation(TestCase):
         Run before each test case.
         """
         self.dut_testpmd = PmdOutput(self.dut)
+        # use one port test the case
         self.dut_testpmd.start_testpmd(
-                "Default", "--port-topology=chained --max-pkt-len=%s" %Max_mtu)
+                "Default", " --portmask=1 --port-topology=chained --max-pkt-len=%s" %Max_mtu)
         self.dmac = self.dut_testpmd.get_port_mac(0)
         self.dut_testpmd.execute_cmd('set fwd csum')
         self.dut_testpmd.execute_cmd('set verbose 1')
@@ -98,16 +99,8 @@ class TestTX_preparation(TestCase):
         self.dut_testpmd.execute_cmd('csum set udp hw 0')
 
     def start_tcpdump(self, rxItf):
-
-        param = ""
-        direct_param = r"(\s+)\[ -(\w) in\|out\|inout \]"
-        tcpdump_help = subprocess.check_output("tcpdump -h; echo 0",
-                                               stderr=subprocess.STDOUT,
-                                               shell=True)
-        for line in tcpdump_help.split('\n'):
-            m = re.match(direct_param, line)
-            if m:
-                param = "-" + m.group(2) + " in"
+        # only sniff form dut packet and filter lldp packet
+        param = "ether[12:2]!=0x88cc and ether src %s" % self.dmac
         self.tester.send_expect("rm -rf ./getPackageByTcpdump.cap", "#")
         self.tester.send_expect("tcpdump %s -i %s -n -e -vv -w\
             ./getPackageByTcpdump.cap 2> /dev/null& " % (param,rxItf), "#")
-- 
1.9.3

Re: [dts] [PATCH V1] fix tx_preparation failed case on fortville NIC

[Liu, Yong]

Thanks gang, applied.

On 08/23/2017 03:15 PM, xu,huilong wrote:
> 1.use one port run test case
> 2.only sniff send packet from dut, and filter lldp packet.
>
> Signed-off-by: xu,huilong<huilongx.xu@intel.com>
> ---