[dts] [PATCH V1 1/2] add test suite interrupt_pmd

[xu,gang]

Signed-off-by: xu,gang <gangx.xu at intel.com>
---
 tests/TestSuite_interrupt_pmd.py | 231 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 231 insertions(+)
 create mode 100644 tests/TestSuite_interrupt_pmd.py

diff --git a/tests/TestSuite_interrupt_pmd.py b/tests/TestSuite_interrupt_pmd.py
new file mode 100644
index 0000000..2c80cd3
--- /dev/null
+++ b/tests/TestSuite_interrupt_pmd.py
@@ -0,0 +1,231 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2016 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.
+
+Rx interrupt pmd test suite.
+"""
+
+import string
+import re
+import time
+import utils
+from plotting import Plotting
+from test_case import TestCase
+from exception import VerifyFailure
+from settings import HEADER_SIZE
+from etgen import IxiaPacketGenerator
+from utils import create_mask
+
+
+class TestIntrPmd(TestCase):
+
+    def set_up_all(self):
+        """
+        Run before each test suite.
+        """
+        self.dut_ports = self.dut.get_ports(self.nic)
+        self.verify(len(self.dut_ports) >= 2, "Insufficient ports")
+
+        # save original nic driver
+        netdev = self.dut.ports_info[self.dut_ports[0]]['port']
+        self.ori_driver = netdev.get_nic_driver()
+
+        self.path = "./examples/l3fwd-power/build/l3fwd-power"
+        # build sample app
+        out = self.dut.send_expect("make -C examples/l3fwd-power", "# ")
+        self.verify("Error" not in out, "compilation error 1")
+        self.verify("No such file" not in out, "compilation error 2")
+        # wake up and sleep match pattern
+        self.wakeup = "lcore %s is waked up"
+        self.sleep = "lcore %s sleeps"
+        # max queue number
+        if self.nic == "niantic":
+            self.max_queue = 16
+        else:
+            self.max_queue = 2
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        pass
+
+    def bind_nic_driver(self, ports, driver):
+        # modprobe vfio driver
+        if driver == "vfio-pci":
+            self.dut.send_expect("modprobe vfio", "#", 70)
+            self.dut.send_expect("modprobe vfio-pci", "#", 70)
+
+            for port in ports:
+                netdev = self.dut.ports_info[port]['port']
+                driver = netdev.get_nic_driver()
+                if driver != 'vfio-pci':
+                    netdev.bind_driver(driver='vfio-pci')
+
+        elif driver == "igb_uio":
+            # igb_uio should insmod as default, no need to check
+            for port in ports:
+                netdev = self.dut.ports_info[port]['port']
+                driver = netdev.get_nic_driver()
+                if driver != 'igb_uio':
+                    netdev.bind_driver(driver='igb_uio')
+
+    def test_pf_on_vfio(self):
+        """
+        Verify interrupt pmd work fine when nic bound to vfio
+        """
+        # bind to vfio-pci
+        self.bind_nic_driver(self.dut_ports[:2], "vfio-pci")
+
+        cores = self.dut.get_core_list("1S/2C/1T")
+        coremask = create_mask(cores)
+        portmask = create_mask(self.dut_ports[:2])
+        cmd = self.path + " -c %s -n %d -- -p %s -P " \
+            "--config=\"(0,0,%s),(1,0,%s)\"" \
+            % (coremask, self.dut.get_memory_channels(),
+               portmask, cores[0], cores[1])
+
+        # start l3fwd-power
+        self.dut.send_expect(cmd, "L3FWD_POWER: lcore %s sleeps until interrupt triggers" % cores[1], 60)
+
+        # send packet from tester port0
+        self.verify_core_status([cores[0]], self.dut_ports[0])
+
+        # send packet from tester port1
+        self.verify_core_status([cores[1]], self.dut_ports[1])
+
+    def test_pf_multiqueue_on_vfio(self):
+        """
+        Verify interrupt pmd work fine with multi queues when nic bound to vfio
+        """
+        # bind to vfio-pci
+
+        self.bind_nic_driver(self.dut_ports[:2], "vfio-pci")
+
+        cores = self.dut.get_core_list("1S/4C/1T")
+        coremask = create_mask(cores)
+        portmask = create_mask(self.dut_ports[:2])
+        cmd = self.path + " -c %s -n %d -- -p %s -P " \
+            "--config=\"(0,0,%s),(0,1,%s),(1,0,%s),(1,1,%s)\"" \
+            % (coremask, self.dut.get_memory_channels(),
+               portmask, cores[0], cores[1], cores[2], cores[3])
+
+        # start l3fwd-power
+        self.dut.send_expect(cmd, "L3FWD_POWER: lcore %s sleeps until interrupt triggers" % cores[3], 60)
+        # send packet from tester port0
+        self.verify_core_status([cores[0], cores[1]], self.dut_ports[0], queuenum=2)
+
+        # send packet from tester port1
+        self.verify_core_status([cores[2], cores[3]], self.dut_ports[1], queuenum=2)
+
+    def test_pf_maxqueue_on_vfio(self):
+        """
+        Verify interrupt pmd work fine with maximum queues when nic bound to vfio
+        """
+        # bind to vfio-pci
+        self.bind_nic_driver(self.dut_ports[:2], "vfio-pci")
+
+        coreset = "2S/%dC/2T" % (self.max_queue / 2)
+        cores = self.dut.get_core_list(coreset)
+        self.verify(len(cores) == (self.max_queue * 2), "Failed to allocate cores for max queue")
+
+        coremask = create_mask(cores)
+        portmask = create_mask(self.dut_ports[:2])
+
+        config_cmd = "--config=\""
+        for idx in range(self.max_queue):
+            config_cmd += "(0,%d,%s)," % (idx, cores[idx])
+        for idx in range(self.max_queue):
+            config_cmd += "(1,%d,%s)," % (idx, cores[idx + self.max_queue])
+        config_cmd += "\""
+
+        cmd = self.path + " -c %s -n %d -- -p %s -P " % (coremask, self.dut.get_memory_channels(),
+                                                         portmask)
+        cmd += config_cmd
+        # start l3fwd-power
+        self.dut.send_expect(cmd, "L3FWD_POWER: lcore %s sleeps until interrupt triggers" % cores[-1], 60)
+
+        # send packet from tester port0
+        self.verify_core_status(cores[0:self.max_queue], self.dut_ports[0], queuenum=self.max_queue)
+
+        # send packet from tester port0
+        self.verify_core_status(cores[self.max_queue:], self.dut_ports[1], queuenum=self.max_queue)
+
+    def verify_core_status(self, cores, port, queuenum=1):
+        # send packet from tester port0
+        txport = self.tester.get_local_port(port)
+        mac = self.dut.get_mac_address(port)
+       # mac="00:1e:67:ec:83:37"
+        txItf = self.tester.get_interface(txport)
+        if queuenum == 1:
+            self.tester.scapy_append('sendp([Ether(dst="%s")/IP()/UDP()/Raw(\'X\'*18)], iface="%s")' % (mac, txItf))
+        elif queuenum == 2:
+            for i in range(16):
+                self.tester.scapy_append('sendp([Ether(dst="%s")/IP(dst="127.0.0.%d")/UDP()/Raw(\'X\'*18)], iface="%s")' % (mac, i, txItf))
+        else:
+            for i in range(64):
+                self.tester.scapy_append('sendp([Ether(dst="%s")/IP(dst="127.0.0.%d")/UDP()/Raw(\'X\'*18)], iface="%s")' % (mac, i, txItf))
+        self.tester.scapy_execute()
+
+        out = self.dut.get_session_output(timeout=2)
+        # make sure core normally waked up
+        for core in cores:
+            wakeup_msg = self.wakeup % core
+            self.verify(wakeup_msg in out, "Expected core %s not waked up" % core)
+            print utils.GREEN("Core %s waked up as expected" % core)
+            # make sure core normally sleep
+            sleep_msg = self.sleep % core
+            self.verify(sleep_msg in out, "Expected core %s not sleep" % core)
+            print utils.GREEN("Core %s return to sleep as expected" % core)
+
+    def test_pf_on_uio(self):
+        """
+        Verify interrupt pmd work fine when nic bound to igb_uio
+        """
+        pass
+
+    def tear_down(self):
+        """
+        Run after each test suite.
+        """
+        self.dut.kill_all()
+        time.sleep(2)
+        pass
+
+    def tear_down_all(self):
+        self.bind_nic_driver(self.dut_ports[:2], self.ori_driver)
+        """
+        Run after each test suite.
+        """
+        pass
-- 
1.9.3