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

[hanyingya <yingyax.han@intel.com>]

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