From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id BBAE25A72 for ; Sat, 19 Dec 2015 03:03:40 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 18 Dec 2015 18:03:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,448,1444719600"; d="scan'208";a="844452715" Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206]) by orsmga001.jf.intel.com with ESMTP; 18 Dec 2015 18:03:39 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS) id 14.3.248.2; Fri, 18 Dec 2015 18:03:38 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.28]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.92]) with mapi id 14.03.0248.002; Sat, 19 Dec 2015 10:03:36 +0800 From: "Liu, Yong" To: "Liu, Yong" , "Pei, Yulong" , "dts@dpdk.org" Thread-Topic: [dts] [PATCH] Add basic packet rxtx test case for sriov VF Thread-Index: AQHRN98tfj6dFjchMUeSTD1dUj+iyp7PHE5ggAJ2O9A= Date: Sat, 19 Dec 2015 02:03:36 +0000 Message-ID: <86228AFD5BCD8E4EBFD2B90117B5E81E10F926FC@SHSMSX103.ccr.corp.intel.com> References: <1450255943-24764-1-git-send-email-yulong.pei@intel.com> <86228AFD5BCD8E4EBFD2B90117B5E81E10F919F8@SHSMSX103.ccr.corp.intel.com> In-Reply-To: <86228AFD5BCD8E4EBFD2B90117B5E81E10F919F8@SHSMSX103.ccr.corp.intel.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiZGQxNTM2MDktNjllOC00MzMzLWFjMmMtNzI1NzhiZTg5YzU5IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjQuMTAuMTkiLCJUcnVzdGVkTGFiZWxIYXNoIjoieVl2Nys1QzcySmhpS0VuYW4yUEtyZDZcL29xMkJmTk5EUGl1THlqOUx6a1E9In0= x-ctpclassification: CTP_IC x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dts] [PATCH] Add basic packet rxtx test case for sriov VF X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Dec 2015 02:03:41 -0000 One more comment, thanks. > -----Original Message----- > From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Liu, Yong > Sent: Thursday, December 17, 2015 8:38 PM > To: Pei, Yulong; dts@dpdk.org > Subject: Re: [dts] [PATCH] Add basic packet rxtx test case for sriov VF >=20 > Yulong, thanks for your patch. There're some comments in test suite. >=20 > > -----Original Message----- > > From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Yulong Pei > > Sent: Wednesday, December 16, 2015 4:52 PM > > To: dts@dpdk.org > > Subject: [dts] [PATCH] Add basic packet rxtx test case for sriov VF > > > > An basic test case for sriov VFs, based on kernel PF drivver and dpdk V= F > > driver. > > > > Signed-off-by: Yulong Pei > > --- > > conf/vf_packet_rxtx.cfg | 105 ++++++++++++++++ > > test_plans/vf_packet_rxtx_test_plan.rst | 100 ++++++++++++++++ > > tests/TestSuite_vf_packet_rxtx.py | 204 > > ++++++++++++++++++++++++++++++++ > > 3 files changed, 409 insertions(+) > > create mode 100644 conf/vf_packet_rxtx.cfg > > create mode 100644 test_plans/vf_packet_rxtx_test_plan.rst > > create mode 100644 tests/TestSuite_vf_packet_rxtx.py > > > > diff --git a/conf/vf_packet_rxtx.cfg b/conf/vf_packet_rxtx.cfg > > new file mode 100644 > > index 0000000..986d289 > > --- /dev/null > > +++ b/conf/vf_packet_rxtx.cfg > > @@ -0,0 +1,105 @@ > > +# QEMU options > > +# name > > +# name: vm0 > > +# > > +# enable_kvm > > +# enable: [yes | no] > > +# > > +# cpu > > +# model: [host | core2duo | ...] > > +# usage: > > +# choose model value from the command > > +# qemu-system-x86_64 -cpu help > > +# number: '4' #number of vcpus > > +# cpupin: '3 4 5 6' # host cpu list > > +# > > +# mem > > +# size: 1024 > > +# > > +# disk > > +# file: /path/to/image/test.img > > +# > > +# net > > +# type: [nic | user | tap | bridge | ...] > > +# nic > > +# opt_vlan: 0 > > +# note: Default is 0. > > +# opt_macaddr: 00:00:00:00:01:01 > > +# note: if creating a nic, it`s better to specify a > MAC, > > +# else it will get a random number. > > +# opt_model:["e1000" | "virtio" | "i82551" | ...] > > +# note: Default is e1000. > > +# opt_name: 'nic1' > > +# opt_addr: '' > > +# note: PCI cards only. > > +# opt_vectors: > > +# note: This option currently only affects virtio > cards. > > +# user > > +# opt_vlan: 0 > > +# note: default is 0. > > +# opt_hostfwd: [tcp|udp]:[hostaddr]:hostport- > > [guestaddr]:guestport > > +# note: If not specified, it will be setted > > automatically. > > +# tap > > +# opt_vlan: 0 > > +# note: default is 0. > > +# opt_br: br0 > > +# note: if choosing tap, need to specify bridge name= , > > +# else it will be br0. > > +# opt_script: QEMU_IFUP_PATH > > +# note: if not specified, default is > > self.QEMU_IFUP_PATH. > > +# opt_downscript: QEMU_IFDOWN_PATH > > +# note: if not specified, default is > > self.QEMU_IFDOWN_PATH. > > +# > > +# device > > +# driver: [pci-assign | virtio-net-pci | ...] > > +# pci-assign > > +# prop_host: 08:00.0 > > +# prop_addr: 00:00:00:00:01:02 > > +# virtio-net-pci > > +# prop_netdev: mynet1 > > +# prop_id: net1 > > +# prop_mac: 00:00:00:00:01:03 > > +# prop_bus: pci.0 > > +# prop_addr: 0x3 > > +# > > +# monitor > > +# port: 6061 > > +# note: if adding monitor to vm, need to specicy > > +# this port, else it will get a free port > > +# on the host machine. > > +# > > +# qga > > +# enable: [yes | no] > > +# > > +# serial_port > > +# enable: [yes | no] > > +# > > +# vnc > > +# displayNum: 1 > > +# note: you can choose a number not used on the host. > > +# > > +# daemon > > +# enable: 'yes' > > +# note: > > +# By default VM will start with the daemonize status. > > +# Not support starting it on the stdin now. > > + > > +# vm configuration for pmd sriov case > > +[vm0] > > +cpu =3D > > + model=3Dhost,number=3D4,cpupin=3D5 6 7 8; > > +disk =3D > > + file=3D/home/image/sriov-fc20-1.img; > > +login =3D > > + user=3Droot,password=3Dtester; > > +net =3D > > + type=3Dnic,opt_vlan=3D0; > > + type=3Duser,opt_vlan=3D0; > > +monitor =3D > > + port=3D; > > +qga =3D > > + enable=3Dyes; > > +vnc =3D > > + displayNum=3D1; > > +daemon =3D > > + enable=3Dyes; > > diff --git a/test_plans/vf_packet_rxtx_test_plan.rst > > b/test_plans/vf_packet_rxtx_test_plan.rst > > new file mode 100644 > > index 0000000..df14ccf > > --- /dev/null > > +++ b/test_plans/vf_packet_rxtx_test_plan.rst > > @@ -0,0 +1,100 @@ > > +.. Copyright (c) <2015>, Intel Corporation > > + All rights reserved. > > + > > + Redistribution and use in source and binary forms, with or without > > + modification, are permitted provided that the following conditions > > + are met: > > + > > + - Redistributions of source code must retain the above copyright > > + notice, this list of conditions and the following disclaimer. > > + > > + - Redistributions in binary form must reproduce the above copyright > > + notice, this list of conditions and the following disclaimer in > > + the documentation and/or other materials provided with the > > + distribution. > > + > > + - Neither the name of Intel Corporation nor the names of its > > + contributors may be used to endorse or promote products derived > > + from this software without specific prior written permission. > > + > > + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS > > + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT > > + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS > > + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE > > + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, > > + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES > > + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR > > + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) > > + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, > > + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) > > + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED > > + OF THE POSSIBILITY OF SUCH DAMAGE. > > + > > + > > +Test Case 1: create 2VFs from 2 kernel PFs, passthrough 2VFs to 1VM, > > using dpdk vf in VM, do packet rx tx test. > > > +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > + > > +1. got the pci device id of DUT, for example, > > + > > +./dpdk_nic_bind.py --st > > + > > +0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f0 > > drv=3Di40e unused=3D > > +0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f1 > > drv=3Di40e unused=3D > > + > > +2. create 2 VFs from 2 PFs, > > + > > +echo 1 > /sys/bus/pci/devices/0000\:81\:00.0/sriov_numvfs > > +echo 1 > /sys/bus/pci/devices/0000\:81\:00.1/sriov_numvfs > > +./dpdk_nic_bind.py --st > > + > > +0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f0 > > drv=3Di40e unused=3D > > +0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f1 > > drv=3Di40e unused=3D > > +0000:81:02.0 'XL710/X710 Virtual Function' unused=3D > > +0000:81:0a.0 'XL710/X710 Virtual Function' unused=3D > > + > > +3. detach VFs from the host, bind them to pci-stub driver, > > + > > +/sbin/modprobe pci-stub > > + > > +echo "8086 154c" > /sys/bus/pci/drivers/pci-stub/new_id > > +echo 0000:81:02.0 > /sys/bus/pci/devices/0000:08:02.0/driver/unbind > > +echo 0000:81:02.0 > /sys/bus/pci/drivers/pci-stub/bind > > + > > +echo "8086 154c" > /sys/bus/pci/drivers/pci-stub/new_id > > +echo 0000:81:0a.0 > /sys/bus/pci/devices/0000:08:0a.0/driver/unbind > > +echo 0000:81:0a.0 > /sys/bus/pci/drivers/pci-stub/bind > > + > > +or using the following more easy way, > > + > > +virsh nodedev-detach pci_0000_81_02_0; > > +virsh nodedev-detach pci_0000_81_0a_0; > > + > > +./dpdk_nic_bind.py --st > > + > > +0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f0 > > drv=3Di40e unused=3D > > +0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=3Dens259f1 > > drv=3Di40e unused=3D > > +0000:81:02.0 'XL710/X710 Virtual Function' if=3D drv=3Dpci-stub unused= =3D > > +0000:81:0a.0 'XL710/X710 Virtual Function' if=3D drv=3Dpci-stub unused= =3D > > + > > +it can be seen that VFs 81:02.0 & 81:0a.0 's drv is pci-stub. > > + > > +4. passthrough VFs 81:02.0 & 81:0a.0 to vm0, and start vm0, > > + > > +/usr/bin/qemu-system-x86_64 -name vm0 -enable-kvm \ > > +-cpu host -smp 4 -m 2048 -drive file=3D/home/image/sriov-fc20-1.img - > vnc :1 > > \ > > +-device pci-assign,host=3D81:02.0,id=3Dpt_0 \ > > +-device pci-assign,host=3D81:0a.0,id=3Dpt_1 > > + > > +5. login vm0, got VFs pci device id in vm0, assume they are 00:06.0 & > > 00:07.0, bind them to igb_uio driver, > > +and then start testpmd, set it in mac forward mode, > > + > > +./tools/dpdk_nic_bind.py --bind=3Digb_uio 00:06.0 00:07.0 > > +./x86_64-native-linuxapp-gcc/app/testpmd -c 0x0f -n 4 -w 00:06.0 -w > > 00:07.0 -- -i --portmask=3D0x3 --txqflags=3D0 > > + > > +testpmd> set fwd mac > > +testpmd> start > > + > > +6. get mac address of one VF and use it as dest mac, using scapy to > send > > 2000 ethernet frames from tester, > > +verify the frames can be received by one VF and can be forward to > another > > VF correctly. > > + > > +sendp([Ether(dst=3D"%s")/IP()/TCP()/("\x50"*1450)], iface=3D"%s", coun= t=3D%d) > > diff --git a/tests/TestSuite_vf_packet_rxtx.py > > b/tests/TestSuite_vf_packet_rxtx.py > > new file mode 100644 > > index 0000000..93a8432 > > --- /dev/null > > +++ b/tests/TestSuite_vf_packet_rxtx.py > > @@ -0,0 +1,204 @@ > > +# > > + > > +import re > > +import time > > + > > +import dts > > +from qemu_kvm import QEMUKvm > > +from test_case import TestCase > > +from pmd_output import PmdOutput > > + > > +FRAME_SIZE_64 =3D 64 > > +VM_CORES_MASK =3D 'all' > > + > > + > > +class TestVfPacketRxtx(TestCase): > > + > > + def set_up_all(self): > > + > > + self.dut_ports =3D self.dut.get_ports(self.nic) > > + self.verify(len(self.dut_ports) >=3D 1, "Insufficient ports") > I think this suite need at least two ports, am I right? > > + self.vm0 =3D None > > + > > + def set_up(self): > > + > > + self.setup_2pf_2vf_1vm_env_flag =3D 0 > > + > > + def get_stats(self, dut, portid, rx_tx): > > + > > + stats =3D dut.testpmd.get_pmd_stats(portid) > > + > > + if rx_tx =3D=3D "rx": > > + stats_result =3D [ > > + stats['RX-packets'], stats['RX-missed'], stats['RX- > > bytes']] > > + elif rx_tx =3D=3D "tx": > > + stats_result =3D [ > > + stats['TX-packets'], stats['TX-errors'], stats['TX- > > bytes']] > > + else: > > + return None > > + > > + return stats_result > > + > > + def send_packet(self, > > + dut, > > + dut_ports, > > + dest_port, > > + tester_intf=3DFalse, > > + frame_size=3DFRAME_SIZE_64, > > + count=3D1): > > + """ > > + dut: which you want to send packet to > > + dest_port: the port num must be the index of dut.get_ports() > > + count: number of packet > > + """ > > + > > + gp0rx_pkts, gp0rx_err, gp0rx_bytes =3D [int(_) > > + for _ in > self.get_stats(dut, > > dest_port, "rx")] > > + try: > > + dut_dest_port =3D dut_ports[dest_port] > > + except Exception as e: > > + print e > > + > > + tester_port =3D self.tester.get_local_port(self.dut_ports[0]) > > + > > + if not tester_intf: > > + itf =3D self.tester.get_interface(tester_port) > > + else: > > + itf =3D tester_intf > > + > > + dest_mac =3D dut.get_mac_address(dut_dest_port) > > + src_mac =3D dut.tester.get_mac(tester_port) > > + > > + self.tester.scapy_foreground() > > + send_cmd =3D 'sendp([Ether(dst=3D"%s", > > src=3D"%s")/IP()/TCP()/("\x50"*1450)], iface=3D"%s", count=3D%d)' % (de= st_mac, > > src_mac, itf, count) > > + self.tester.scapy_append(send_cmd) > > + self.tester.scapy_execute() > > + > > + time.sleep(.5) > > + > > + p0rx_pkts, p0rx_err, p0rx_bytes =3D [int(_) > > + for _ in self.get_stats(dut= , > > dest_port, "rx")] > > + > Could you try Packet module to transmit and receive packets, we will use > that module to handler packets in the future. >=20 Can you try "check_random_pkts" in tester module? By this function we can c= ompare packet content and make sure I/O correct. > > + p0rx_pkts -=3D gp0rx_pkts > > + p0rx_bytes -=3D gp0rx_bytes > > + print("p0rx_pkts=3D%d" % p0rx_pkts) > > + print("p0rx_bytes=3D%d" % p0rx_bytes) > > + > This is debug message, please remove it. If this is import, please use > command "self.logger.info" to log those informations. >=20 > > + self.verify(p0rx_pkts =3D=3D count, "Data not received by port= ") > > + > > + > > + def setup_2pf_2vf_1vm_env(self, driver=3D'default'): > > + > > + self.used_dut_port_0 =3D self.dut_ports[0] > > + self.dut.generate_sriov_vfs_by_port(self.used_dut_port_0, 1, > > driver=3Ddriver) > > + self.sriov_vfs_port_0 =3D > > self.dut.ports_info[self.used_dut_port_0]['vfs_port'] > > + > > + self.used_dut_port_1 =3D self.dut_ports[1] > > + self.dut.generate_sriov_vfs_by_port(self.used_dut_port_1, 1, > > driver=3Ddriver) > > + self.sriov_vfs_port_1 =3D > > self.dut.ports_info[self.used_dut_port_1]['vfs_port'] > > + > > + try: > > + > > + for port in self.sriov_vfs_port_0: > > + port.bind_driver('pci-stub') > > + > > + for port in self.sriov_vfs_port_1: > > + port.bind_driver('pci-stub') > > + > > + time.sleep(1) > > + vf0_prop =3D {'opt_host': self.sriov_vfs_port_0[0].pci} > > + vf1_prop =3D {'opt_host': self.sriov_vfs_port_1[0].pci} > > + > > + if driver =3D=3D 'igb_uio': > > + # start testpmd without the two VFs on the host > > + self.host_testpmd =3D PmdOutput(self.dut) > > + eal_param =3D '-b %(vf0)s -b %(vf1)s' % {'vf0': > > self.sriov_vfs_port_0[0].pci, > > + 'vf1': > > self.sriov_vfs_port_1[0].pci} > > + self.host_testpmd.start_testpmd("1S/2C/2T", > > eal_param=3Deal_param) > > + > > + # set up VM0 ENV > > + self.vm0 =3D QEMUKvm(self.dut, 'vm0', 'vf_packet_rxtx') > > + self.vm0.set_vm_device(driver=3D'pci-assign', **vf0_prop) > > + self.vm0.set_vm_device(driver=3D'pci-assign', **vf1_prop) > > + self.vm_dut_0 =3D self.vm0.start() > > + if self.vm_dut_0 is None: > > + raise Exception("Set up VM0 ENV failed!") > > + > > + self.setup_2pf_2vf_1vm_env_flag =3D 1 > > + except Exception as e: > > + self.destroy_2pf_2vf_1vm_env() > > + raise Exception(e) > > + > > + def destroy_2pf_2vf_1vm_env(self): > > + if getattr(self, 'vm0', None): > > + #destroy testpmd in vm0 > > + self.vm0_testpmd.execute_cmd('stop') > > + self.vm0_testpmd.execute_cmd('quit', '# ') > > + self.vm0_testpmd =3D None > > + self.vm0_dut_ports =3D None > > + #destroy vm0 > > + self.vm0.stop() > > + self.vm0 =3D None > > + > > + if getattr(self, 'host_testpmd', None): > > + self.host_testpmd.execute_cmd('quit', '# ') > > + self.host_testpmd =3D None > > + > > + if getattr(self, 'used_dut_port_0', None): > > + self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_0) > > + port =3D self.dut.ports_info[self.used_dut_port_0]['port'] > > + port.bind_driver() > > + self.used_dut_port_0 =3D None > > + > > + if getattr(self, 'used_dut_port_1', None): > > + self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_1) > > + port =3D self.dut.ports_info[self.used_dut_port_1]['port'] > > + port.bind_driver() > > + self.used_dut_port_1 =3D None > > + > > + for port_id in self.dut_ports: > > + port =3D self.dut.ports_info[port_id]['port'] > > + port.bind_driver() > > + > > + self.setup_2pf_2vf_1vm_env_flag =3D 0 > > + > > +######1. test case for kernel pf and dpdk vf 2pf_2vf_1vm scenario > > + > > + def test_packet_rx_tx_kernel_2pf_2vf_1vm(self): > > + > The case is too long, since this is in vf_rx_tx suite, we can use > "test_kernel_1vf_rxtx" for short name. >=20 > > + self.setup_2pf_2vf_1vm_env(driver=3D'') > > + > > + self.vm0_dut_ports =3D self.vm_dut_0.get_ports('any') > > + > > + port_id_0 =3D 0 > > + port_id_1 =3D 1 > > + packet_num =3D 2000 > > + > > + self.vm0_testpmd =3D PmdOutput(self.vm_dut_0) > > + self.vm0_testpmd.start_testpmd(VM_CORES_MASK) > > + self.vm0_testpmd.execute_cmd('set fwd mac') > > + self.vm0_testpmd.execute_cmd('start') > > + > > + time.sleep(2) > > + > > + port_id_1_start_stats =3D > self.vm0_testpmd.get_pmd_stats(port_id_1) > > + self.send_packet( > > + self.vm_dut_0, self.vm0_dut_ports, port_id_0, > > count=3Dpacket_num) > > + port_id_1_end_stats =3D self.vm0_testpmd.get_pmd_stats(port_id= _1) > > + self.verify( > > + port_id_1_end_stats['TX-packets'] - > > port_id_1_start_stats['TX-packets'] =3D=3D packet_num, > > + "VF0 failed to forward packets to VF1") > > + > > + def tear_down(self): > > + > > + if self.setup_2pf_2vf_1vm_env_flag =3D=3D 1: > > + self.destroy_2pf_2vf_1vm_env() > > + > > + def tear_down_all(self): > > + > > + if getattr(self, 'vm0', None): > > + self.vm0.stop() > > + > > + for port_id in self.dut_ports: > > + self.dut.destroy_sriov_vfs_by_port(port_id) > > + > > -- > > 2.1.0