From: "xu,huilong" <huilongx.xu@intel.com>
To: dts@dpdk.org
Subject: [dts] [PATCH V1]used tcpdump replace scapy get packet
Date: Fri, 13 Nov 2015 14:09:17 +0800 [thread overview]
Message-ID: <1447394957-3147-1-git-send-email-huilongx.xu@intel.com> (raw)
sometime used scapy get packet, the pcaket payload will loss. so used tcpdump get packet.
Signed-off-by: xu,huilong <huilongx.xu@intel.com>
---
tests/TestSuite_scatter.py | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/tests/TestSuite_scatter.py b/tests/TestSuite_scatter.py
index 7a49b53..7f39d8a 100644
--- a/tests/TestSuite_scatter.py
+++ b/tests/TestSuite_scatter.py
@@ -61,6 +61,14 @@ class TestScatter(TestCase):
else:
self.mbsize = 1024
+ def start_tcpdump(self, tester_rx_intf):
+ self.tester.send_expect("rm -rf ./scatter.cap", "#")
+ self.tester.send_expect("tcpdump -i %s -x -w ./scatter.cap 2>/dev/null &" % tester_rx_intf, "#")
+
+ def get_tcpdump_packet(self):
+ self.tester.send_expect("killall tcpdump", "#")
+ return self.tester.send_expect("tcpdump -nn -x -r ./scatter.cap", "#")
+
def scatter_pktgen_send_packet(self, sPortid, rPortid, pktsize, num=1):
"""
Functional test for scatter packets.
@@ -73,21 +81,17 @@ class TestScatter(TestCase):
rintf = self.tester.get_interface(rport)
self.tester.send_expect("ifconfig %s mtu 9000" % sintf, "#")
self.tester.send_expect("ifconfig %s mtu 9000" % rintf, "#")
-
- self.tester.scapy_background()
- self.tester.scapy_append(
- 'p = sniff(filter="ip",iface="%s", count=%d)' % (rintf, num))
- self.tester.scapy_append('RESULT = str(p)')
+ self.start_tcpdump(rintf)
pktlen = pktsize - 18
padding = pktlen - 20
- self.tester.scapy_foreground()
self.tester.scapy_append(
'sendp([Ether(src="%s",dst="%s")/IP(len=%s)/Raw(load="\x50"*%s)], iface="%s")' % (smac, dmac,pktlen, padding, sintf))
self.tester.scapy_execute()
- time.sleep(5)
- res = self.tester.scapy_get_result()
+ time.sleep(5) #wait for scapy capture subprocess exit
+ res = self.get_tcpdump_packet()
+
self.tester.send_expect("ifconfig %s mtu 1500" % sintf, "#")
self.tester.send_expect("ifconfig %s mtu 1500" % sintf, "#")
return res
@@ -118,7 +122,7 @@ class TestScatter(TestCase):
for offset in [-1, 0, 1, 4, 5]:
ret = self.scatter_pktgen_send_packet(
dutPorts[0], dutPorts[1], self.mbsize + offset)
- self.verify("load='P" in ret, "packet receive error")
+ self.verify("5050 5050 5050 5050 5050 5050 5050" in ret, "packet receive error")
self.dut.send_expect("stop", "testpmd> ")
self.dut.send_expect("quit", "# ", 30)
--
1.9.3
next reply other threads:[~2015-11-13 6:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-13 6:09 xu,huilong [this message]
2015-11-13 9:21 ` Liu, Yong
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