Re: [dts] [PATCH V1]tests/packet_ordering: add packet_ordering function test case

["Tu, Lijuan" <lijuan.tu@intel.com>]

Applied, thanks

> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of hanyingya
> Sent: Wednesday, February 26, 2020 3:19 PM
> To: dts@dpdk.org; Wan, Zhe <zhe.wan@intel.com>
> Cc: Han, YingyaX <yingyax.han@intel.com>
> Subject: [dts] [PATCH V1]tests/packet_ordering: add packet_ordering
> function test case
> 
> Signed-off-by: hanyingya <yingyax.han@intel.com>
> ---
>  tests/TestSuite_packet_ordering.py | 169 +++++++++++++++++++++++++++++
>  1 file changed, 169 insertions(+)
>  create mode 100644 tests/TestSuite_packet_ordering.py
> 
> diff --git a/tests/TestSuite_packet_ordering.py
> b/tests/TestSuite_packet_ordering.py
> new file mode 100644
> index 0000000..ac6b930
> --- /dev/null
> +++ b/tests/TestSuite_packet_ordering.py
> @@ -0,0 +1,169 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2020 Intel Corporation. All rights reserved.
> +# 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.
> +
> +"""
> +DPDK Test suite.
> +Packet ordering example app test cases.
> +"""
> +
> +import os
> +import time
> +import utils
> +from test_case import TestCase
> +from packet import Packet
> +
> +
> +class TestPacketOrdering(TestCase):
> +
> +    def set_up_all(self):
> +        """
> +        Executes the Packet Ordering prerequisites. Creates a simple scapy
> +        packet to be used later on the tests. It also compiles the example app.
> +        """
> +        self.tester.extend_external_packet_generator(TestPacketOrdering, self)
> +        self.dut_ports = self.dut.get_ports(self.nic)
> +        global valports
> +        valports = [_ for _ in self.dut_ports if
> + self.tester.get_local_port(_) != -1]
> +
> +        # Verify that enough ports are available
> +        self.verify(len(valports) >= 1, "Insufficient ports for speed testing")
> +        self.port = self.tester.get_local_port(valports[0])
> +
> +        # get socket and cores
> +        self.socket = self.dut.get_numa_id(self.dut_ports[0])
> +        self.cores = self.dut.get_core_list("1S/4C/1T", socket=self.socket)
> +        self.verify(self.cores is not None, "Insufficient cores for
> + speed testing")
> +
> +        self.core_mask = utils.create_mask(self.cores)
> +        self.port_mask = utils.create_mask(valports)
> +
> +        # Builds the packet ordering example app and checks for errors.
> +        out = self.dut.send_expect("make -C examples/packet_ordering", "#")
> +        self.verify("Error" not in out and "No such file" not in out,
> +                    "Compilation error")
> +
> +    def set_up(self):
> +        """
> +        Run before each test case.
> +        """
> +        pass
> +
> +    def start_application(self):
> +
> +        cmdline = './examples/packet_ordering/build/packet_ordering -c {0} -n
> {1} -- -p {2}' . \
> +            format(self.core_mask, self.dut.get_memory_channels(),
> self.port_mask)
> +        # Executes the packet ordering example app.
> +        self.dut.send_expect(cmdline, 'REORDERAPP', 120)
> +
> +    def remove_dhcp_from_revpackets(self, inst, timeout=3):
> +
> +        pkts = self.tester.load_tcpdump_sniff_packets(inst, timeout)
> +        i = 0
> +        while len(pkts) != 0 and i <= len(pkts) - 1:
> +            if pkts[i].pktgen.pkt.haslayer('DHCP'):
> +                pkts.remove(pkts[i])
> +                i = i - 1
> +            i = i + 1
> +        return pkts
> +
> +    def send_ordered_packet(self):
> +        """
> +        send the packets with ordered of src-ip info.
> +        compose the pcap file, each queue has same 5 tuple and diff load info
> +        """
> +
> +        pkt = Packet()
> +        src_ip = "11.12.13.1"
> +        pay_load = "000001"
> +        packet_num = 1000
> +        smac = "00:00:00:00:00:00"
> +        rx_interface = self.tester.get_interface(self.port)
> +        tx_interface = rx_interface
> +        for _port in valports:
> +            index = valports[_port]
> +            dmac = self.dut.get_mac_address(index)
> +            config_opt = [('ether', {'dst': dmac, 'src': smac}),
> +                        ('ipv4', {'src': src_ip, 'dst': '11.12.1.1'}),
> +                        ('udp', {'src': 123, 'dst': 12})]
> +            pkt.generate_random_pkts(pktnum=packet_num,
> random_type=['UDP'], ip_increase=False,
> +                                     random_payload=False, options={'layers_config':
> config_opt})
> +            # config raw info in pkts
> +            for i in range(packet_num):
> +                payload = "0000%.3d" % (i + 1)
> +                pkt.pktgen.pkts[i + packet_num * _port]['Raw'].load =
> + payload
> +
> +        filt = [{'layer': 'ether', 'config': {'src': '%s' % smac}}]
> +        inst = self.tester.tcpdump_sniff_packets(rx_interface, filters=filt)
> +        pkt.send_pkt(crb=self.tester, tx_port=tx_interface, timeout=300)
> +        self.pkts = self.remove_dhcp_from_revpackets(inst)
> +
> +    def check_packet_order(self):
> +        """
> +        observe the packets sended by scapy, check the packets order
> +        """
> +
> +        for _port in valports:
> +            src_ip = "11.12.13.%d" % (_port + 1)
> +            packet_index = 0
> +            for i in range(len(self.pkts)):
> +                pay_load = "0000%.2d" % packet_index
> +                if self.pkts[i]['IP'].src == src_ip:
> +                    print(self.pkts[i].show)
> +                    if packet_index == 0:
> +                        packet_index = int(self.pkts[i]['Raw'].load[-2:])
> +                        pay_load = "0000%.2d" % packet_index
> +                    self.verify(self.pkts[i]['Raw'].load == pay_load, "The packets not
> ordered")
> +                    packet_index = packet_index + 1
> +
> +    def test_keep_packet_oeder(self):
> +        """
> +        keep the packets order with one ordered stage in single-flow and multi-
> flow
> +        according to the tcpdump may be capture the packets whitch not
> belong current
> +        flow, so set different src_mac of flow to identify the packets
> +        """
> +        self.start_application()
> +        # send packets
> +        self.send_ordered_packet()
> +        # check packet ordering
> +        self.check_packet_order()
> +        self.dut.send_expect("^c", "#", 10)
> +
> +    def tear_down(self):
> +        """
> +        Run after each test case.
> +        """
> +        self.dut.kill_all()
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        pass
> --
> 2.17.2