Re: [dts] [PATCH V1] tests/vf_port_start_stop: use Packet to send pkt

["Zhang, YanX A" <yanx.a.zhang@intel.com>]

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Tested-by:  Zhang, YanX A <yanx.a.zhang@intel.com>

-----Original Message-----
From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of lihong
Sent: Tuesday, October 15, 2019 9:25 AM
To: dts@dpdk.org
Cc: Ma, LihongX <lihongx.ma@intel.com>
Subject: [dts] [PATCH V1] tests/vf_port_start_stop: use Packet to send pkt

Signed-off-by: lihong <lihongx.ma@intel.com>
---
 tests/TestSuite_vf_port_start_stop.py | 44 +++++++++++------------------------
 1 file changed, 14 insertions(+), 30 deletions(-)

diff --git a/tests/TestSuite_vf_port_start_stop.py b/tests/TestSuite_vf_port_start_stop.py
index dcd799b..945c671 100644
--- a/tests/TestSuite_vf_port_start_stop.py
+++ b/tests/TestSuite_vf_port_start_stop.py
@@ -6,11 +6,7 @@ import time
 from virt_common import VM
 from test_case import TestCase
 from pmd_output import PmdOutput
-from utils import RED, GREEN
-from net_device import NetDevice
-from crb import Crb
-from scapy.all import *
-from scapy.layers.sctp import SCTP, SCTPChunkData
+from packet import Packet
 VM_CORES_MASK = 'all'
 
 class TestVfPortStartStop(TestCase):
@@ -22,10 +18,8 @@ class TestVfPortStartStop(TestCase):
         self.dut_ports = self.dut.get_ports(self.nic)
         self.verify(len(self.dut_ports) >= 1, "Insufficient ports")
         self.vm0 = None
-        self.filename = "/tmp/vf.pcap"
         self.tester_tx_port = self.tester.get_local_port(self.dut_ports[0])
         self.tester_tintf = self.tester.get_interface(self.tester_tx_port)
-        self.send_pks_session = None
         # set vf assign method and vf driver
         self.vf_driver = self.get_suite_cfg()['vf_driver']
         if self.vf_driver is None:
@@ -40,6 +34,8 @@ class TestVfPortStartStop(TestCase):
     def set_up(self):
 
         self.setup_1pf_2vf_1vm_env_flag = 0
+        self.send_pks_session = None
+        self.pkts = Packet()
 
     def send_and_verify(self, dst_mac, testpmd):
         """
@@ -50,33 +46,23 @@ class TestVfPortStartStop(TestCase):
         src_mac = self.tester.get_mac(self.tester_tx_port)
         if src_mac == 'N/A':
             src_mac = "02:00:00:00:01"
-        self.send_pkts(self.filename, dst_mac, src_mac)
+        self.send_pkts(dst_mac, src_mac)
         time.sleep(1)
         self.check_port_start_stop(testpmd)
-        self.tester.send_expect('killall -s INT scapy', '# ')
-        self.tester.destroy_session(self.send_pks_session)
-        self.send_pks_session = None
 
-    def send_pkts(self, filename, dst_mac, src_mac):
+    def send_pkts(self, dst_mac, src_mac):
         """
         Generates a valid PCAP file with the given configuration.
         """
-        def_pkts = {'IP/UDP': Ether(dst="%s" % dst_mac, src="%s" % src_mac)/IP(src="127.0.0.2")/UDP()/("X"*46),
-                    'IP/TCP': Ether(dst="%s" % dst_mac, src="%s" % src_mac)/IP(src="127.0.0.2")/TCP()/("X"*46),
-                    'IP/SCTP': Ether(dst="%s" % dst_mac, src="%s" % src_mac)/IP(src="127.0.0.2")/SCTP()/("X"*48),
-                    'IPv6/UDP': Ether(dst="%s" % dst_mac, src="%s" % src_mac)/IPv6(src="::2")/UDP()/("X"*46),
-                    'IPv6/TCP': Ether(dst="%s" % dst_mac, src="%s" % src_mac)/IPv6(src="::2")/TCP()/("X"*46),}
+        def_pkts = {'IP/UDP': 'Ether(dst="%s", src="%s")/IP(src="127.0.0.2")/UDP()/("X"*46)' % (dst_mac, src_mac),
+                    'IP/TCP': 'Ether(dst="%s", src="%s")/IP(src="127.0.0.2")/TCP()/("X"*46)' % (dst_mac, src_mac),
+                    'IP/SCTP': 'Ether(dst="%s", src="%s")/IP(src="127.0.0.2")/SCTP()/("X"*48)' % (dst_mac, src_mac),
+                    'IPv6/UDP': 'Ether(dst="%s", src="%s")/IPv6(src="::2")/UDP()/("X"*46)' % (dst_mac, src_mac),
+                    'IPv6/TCP': 'Ether(dst="%s", src="%s")/IPv6(src="::2")/TCP()/("X"*46)' % (dst_mac, src_mac),}
 
-        pkts = []
         for key in def_pkts.keys():
-            pkts.append(def_pkts[key])
-        wrpcap(filename, pkts)
-
-        sendp_fmt = "sendp(pk, iface='%s', loop=1)" % (self.tester_tintf)
-        self.send_pks_session = self.tester.create_session("scapy1")
-        self.send_pks_session.send_expect("scapy", ">>>")
-        self.send_pks_session.send_expect("pk=rdpcap('%s')" % filename, ">>>")
-        self.send_pks_session.send_command(sendp_fmt)
+            self.pkts.append_pkt(def_pkts[key])
+        self.send_pks_session = self.pkts.send_pkt_bg(self.tester, self.tester_tintf)
 
     def testpmd_reset_status(self, testpmd):
         """
@@ -195,15 +181,13 @@ class TestVfPortStartStop(TestCase):
 
     def tear_down(self):
 
+        if self.send_pks_session:
+            self.pkts.stop_send_pkt_bg(self.tester, self.send_pks_session)
         if self.setup_1pf_2vf_1vm_env_flag == 1:
             self.destroy_1pf_2vf_1vm_env()
 
     def tear_down_all(self):
 
-        if self.send_pks_session:
-            self.tester.send_expect('killall -s INT scapy', '# ')
-            self.tester.destroy_session(self.send_pks_session)
-
         if getattr(self, 'vm0', None):
             self.vm0.stop()
 
-- 
2.7.4


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