Re: [dts] [PATCH V1] tests:add new test suite mdd

["Yao, Lei A" <lei.a.yao@intel.com>]

> -----Original Message-----
> From: Zhang, YanX A
> Sent: Monday, September 16, 2019 5:27 PM
> To: dts@dpdk.org
> Cc: Yao, Lei A <lei.a.yao@intel.com>; Zhang, YanX A
> <yanx.a.zhang@intel.com>
> Subject: [dts][PATCH V1] tests:add new test suite mdd
> 
> add new test suite mdd.
> 
> Signed-off-by: zhang,yan <yanx.a.zhang@intel.com>
Acked-by: lei yao<lei.a.yao@intel.com>
> ---
>  tests/TestSuite_mdd.py | 206
> +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 206 insertions(+)
>  create mode 100644 tests/TestSuite_mdd.py
> 
> diff --git a/tests/TestSuite_mdd.py b/tests/TestSuite_mdd.py new file mode
> 100644 index 0000000..7baea2c
> --- /dev/null
> +++ b/tests/TestSuite_mdd.py
> @@ -0,0 +1,206 @@
> +# <COPYRIGHT_TAG>
> +
> +import re
> +import time
> +from packet import Packet
> +from virt_common import VM
> +from test_case import TestCase
> +from pmd_output import PmdOutput
> +
> +VM_CORES_MASK = 'all'
> +send_pks_num = 2000
> +
> +class TestMDD(TestCase):
> +
> +    supported_vf_driver = ['pci-stub', 'vfio-pci']
> +
> +    def set_up_all(self):
> +
> +        self.dut_ports = self.dut.get_ports(self.nic)
> +        self.verify(len(self.dut_ports) > 1, "Insufficient ports")
> +        self.vm0 = None
> +
> +        # set vf assign method and vf driver
> +        self.vf_driver = self.get_suite_cfg()['vf_driver']
> +        if self.vf_driver is None:
> +            self.vf_driver = 'pci-stub'
> +        self.verify(self.vf_driver in self.supported_vf_driver, "Unspported vf
> driver")
> +        if self.vf_driver == 'pci-stub':
> +            self.vf_assign_method = 'pci-assign'
> +        else:
> +            self.vf_assign_method = 'vfio-pci'
> +            self.dut.send_expect('modprobe vfio-pci', '#')
> +        self.dut.send_expect('dmesg -c', '#')
> +
> +        self.port_id_0 = 0
> +        self.port_id_1 = 1
> +
> +        self.tx_port = self.tester.get_local_port(self.dut_ports[0])
> +        self.rx_port = self.tester.get_local_port(self.dut_ports[1])
> +
> +    def set_up(self):
> +        pass
> +
> +    def setup_2pf_2vf_1vm_env(self):
> +        self.used_dut_port_0 = self.dut_ports[0]
> +        self.dut.generate_sriov_vfs_by_port(self.used_dut_port_0, 1,
> driver='ixgbe')
> +        self.sriov_vfs_port_0 =
> self.dut.ports_info[self.used_dut_port_0]['vfs_port']
> +        self.used_dut_port_1 = self.dut_ports[1]
> +        self.dut.generate_sriov_vfs_by_port(self.used_dut_port_1, 1,
> driver='ixgbe')
> +        self.sriov_vfs_port_1 =
> + self.dut.ports_info[self.used_dut_port_1]['vfs_port']
> +
> +        try:
> +
> +            for port in self.sriov_vfs_port_0:
> +                port.bind_driver(self.vf_driver)
> +
> +            for port in self.sriov_vfs_port_1:
> +                port.bind_driver(self.vf_driver)
> +
> +            time.sleep(1)
> +            vf0_prop = {'opt_host': self.sriov_vfs_port_0[0].pci}
> +            vf1_prop = {'opt_host': self.sriov_vfs_port_1[0].pci}
> +            # not support driver=igb_uio,because driver is kernel driver
> +            # set up VM0 ENV
> +            self.vm0 = VM(self.dut, 'vm0', 'mdd')
> +            self.vm0.set_vm_device(driver=self.vf_assign_method, **vf0_prop)
> +            self.vm0.set_vm_device(driver=self.vf_assign_method, **vf1_prop)
> +            self.vm_dut_0 = self.vm0.start()
> +            if self.vm_dut_0 is None:
> +                raise Exception("Set up VM0 ENV failed!")
> +
> +        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
> +            if getattr(self, 'vm0_testpmd', None):
> +                self.vm0_testpmd.execute_cmd('stop')
> +                self.vm0_testpmd.execute_cmd('quit', '# ')
> +                self.vm0_testpmd = None
> +
> +            self.vm0_dut_ports = None
> +            # destroy vm0
> +            self.vm0.stop()
> +            self.vm0 = None
> +
> +        self.dut.virt_exit()
> +
> +        if getattr(self, 'used_dut_port_0', None) != None:
> +            self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_0)
> +            port = self.dut.ports_info[self.used_dut_port_0]['port']
> +            port.bind_driver()
> +            self.used_dut_port_0 = None
> +
> +        if getattr(self, 'used_dut_port_1', None) != None:
> +            self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_1)
> +            port = self.dut.ports_info[self.used_dut_port_1]['port']
> +            port.bind_driver()
> +            self.used_dut_port_1 = None
> +
> +        for port_id in self.dut_ports:
> +            port = self.dut.ports_info[port_id]['port']
> +            port.bind_driver()
> +
> +    def start_testpmd_in_vm(self, txoffload=''):
> +        self.vm0_dut_ports = self.vm_dut_0.get_ports('any')
> +        self.vm0_testpmd = PmdOutput(self.vm_dut_0)
> +
> +        self.vm0_testpmd.start_testpmd(VM_CORES_MASK, "--portmask=0x3
> --tx-offloads=%s" % txoffload)
> +        self.vm0_testpmd.execute_cmd('set fwd mac')
> +        self.vm0_testpmd.execute_cmd('set promisc all off')
> +        self.vm0_testpmd.execute_cmd('start')
> +
> +    def send_packets(self):
> +
> +        tgen_ports = []
> +        self.tester_intf = self.tester.get_interface(self.tx_port)
> +        tgen_ports.append((self.tx_port, self.rx_port))
> +        self.pmd_vf0_mac =
> + self.vm0_testpmd.get_port_mac(self.port_id_0)
> +
> +        dst_mac = self.pmd_vf0_mac
> +        src_mac = self.tester.get_mac(self.tx_port)
> +
> +        pkt = Packet(pkt_type='UDP', pkt_len=64)
> +        pkt.config_layer('ether', {'dst': dst_mac, 'src': src_mac})
> +        time.sleep(2)
> +        self.vm0_testpmd.execute_cmd('clear port stats all')
> +        self.vm0_testpmd.execute_cmd('show port stats all')
> +        pkt.send_pkt(tx_port=self.tester_intf, count=send_pks_num)
> +        time.sleep(2)
> +
> +    def result_verify(self, pkt_fwd=True):
> +        pmd0_vf0_stats = self.vm0_testpmd.get_pmd_stats(self.port_id_0)
> +        pmd0_vf1_stats = self.vm0_testpmd.get_pmd_stats(self.port_id_1)
> +        time.sleep(2)
> +
> +        vf0_rx_cnt = pmd0_vf0_stats['RX-packets']
> +        self.verify(vf0_rx_cnt >= send_pks_num, "no packet was received
> + by vm0_VF0")
> +
> +        vf0_rx_err = pmd0_vf0_stats['RX-errors']
> +        self.verify(vf0_rx_err == 0, "vm0_VF0 rx-errors")
> +
> +        vf1_tx_cnt = pmd0_vf1_stats['TX-packets']
> +        if pkt_fwd:
> +            self.verify(vf1_tx_cnt == send_pks_num, "Packet forwarding failed")
> +        else:
> +            self.verify(vf1_tx_cnt == 0, "Packet is forwarded")
> +
> +    def config_mdd(self, value):
> +        self.dut.restore_interfaces()
> +        self.dut.send_expect("rmmod ixgbe", "# ", 10)
> +        time.sleep(2)
> +        count = self.dut.send_expect("./usertools/dpdk-devbind.py -s | grep
> ixgbe | wc -l", "#")
> +        m = [value for i in range(int(count))]
> +        mdd = "MDD=" + str(m).replace("[", "").replace("]", "").replace(" ", "")
> +        self.dut.send_expect("modprobe ixgbe %s" % mdd, "# ", 10)
> +        time.sleep(5)
> +        for port_info in self.dut.ports_info:
> +            port = port_info['port']
> +            intf = port.get_interface_name()
> +            self.dut.send_expect("ifconfig %s up" % intf, "# ", 10)
> +            time.sleep(2)
> +
> +    def test_1enable_mdd_dpdk_disable(self):
> +        self.config_mdd(1)
> +        self.setup_2pf_2vf_1vm_env()
> +        self.start_testpmd_in_vm(txoffload='0x1')
> +        self.send_packets()
> +        self.result_verify(False)
> +        dmesg = self.dut.send_expect("dmesg -c |grep 'event'", "# ", 10)
> +        self.verify("Malicious event" in dmesg,"mdd error")
> +
> +    def test_2enable_mdd_dpdk_enable(self):
> +        self.config_mdd(1)
> +        self.setup_2pf_2vf_1vm_env()
> +        self.start_testpmd_in_vm(txoffload='0x0')
> +        self.send_packets()
> +        self.result_verify(False)
> +        dmesg = self.dut.send_expect("dmesg -c |grep 'event'", "# ", 10)
> +        self.verify("Malicious event" in dmesg,"mdd error")
> +
> +    def test_3disable_mdd_dpdk_disable(self):
> +        self.config_mdd(0)
> +        self.setup_2pf_2vf_1vm_env()
> +        self.start_testpmd_in_vm(txoffload='0x1')
> +        self.send_packets()
> +        self.result_verify(True)
> +        dmesg = self.dut.send_expect("dmesg -c |grep 'event'", "# ", 10)
> +        self.verify("Malicious event" not in dmesg,"mdd error")
> +
> +    def test_4disable_mdd_dpdk_enable(self):
> +        self.config_mdd(0)
> +        self.setup_2pf_2vf_1vm_env()
> +        self.start_testpmd_in_vm(txoffload='0x0')
> +        self.send_packets()
> +        self.result_verify(True)
> +        dmesg = self.dut.send_expect("dmesg -c |grep 'event'", "# ", 10)
> +        self.verify("Malicious event" not in dmesg,"mdd error")
> +
> +    def tear_down(self):
> +        self.destroy_2pf_2vf_1vm_env()
> +
> +    def tear_down_all(self):
> +        pass
> --
> 2.17.2