[dts] [PATCH V2] Add testsuite vhost virtio user interrupt

[lihong <lihongx.ma@intel.com>]

Signed-off-by: lihong <lihongx.ma@intel.com>
---
 tests/TestSuite_vhost_virtio_user_interrupt.py | 217 +++++++++++++++++++++++++
 1 file changed, 217 insertions(+)
 create mode 100644 tests/TestSuite_vhost_virtio_user_interrupt.py

diff --git a/tests/TestSuite_vhost_virtio_user_interrupt.py b/tests/TestSuite_vhost_virtio_user_interrupt.py
new file mode 100644
index 0000000..6713590
--- /dev/null
+++ b/tests/TestSuite_vhost_virtio_user_interrupt.py
@@ -0,0 +1,217 @@
+# BSD LICENSE
+#
+# Copyright (c) <2019>, 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.
+
+"""
+DPDK Test suite.
+Virtio-user interrupt need test with l3fwd-power sample
+"""
+
+import re
+import time
+import utils
+from test_case import TestCase
+
+
+class TestVirtioUserInterrupt(TestCase):
+
+    def set_up_all(self):
+        """
+        run at the start of each test suite.
+        """
+        self.core_config = "1S/4C/1T"
+        self.dut_ports = self.dut.get_ports()
+        self.cores_num = len([n for n in self.dut.cores if int(n['socket']) == 0])
+        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
+        self.verify(self.cores_num >= 4, "There has not enought cores to test this case")
+        self.core_list = self.dut.get_core_list(self.core_config)
+        self.core_list_vhost = self.core_list[0:2]
+        self.core_list_l3fwd = self.core_list[2:4]
+        self.core_mask_vhost = utils.create_mask(self.core_list_vhost)
+        self.core_mask_l3fwd = utils.create_mask(self.core_list_l3fwd)
+        self.core_mask_virtio = self.core_mask_l3fwd
+        self.mem_channel = self.dut.get_memory_channels()
+
+        self.prepare_l3fwd_power()
+        self.tx_port = self.tester.get_local_port(self.dut_ports[0])
+        self.tx_interface = self.tester.get_interface(self.tx_port)
+
+    def set_up(self):
+        """
+        run before each test case.
+        """
+        self.dut.send_expect("killall -s INT testpmd", "#")
+        self.dut.send_expect("killall -s INT l3fwd-power", "#")
+        self.dut.send_expect("rm -rf vhost-net*", "#")
+
+        self.l3fwd = self.dut.new_session(suite="l3fwd")
+        self.vhost = self.dut.new_session(suite="vhost")
+        self.virtio = self.dut.new_session(suite="virito")
+
+    def close_all_session(self):
+        self.dut.close_session(self.vhost)
+        self.dut.close_session(self.virtio)
+        self.dut.close_session(self.l3fwd)
+
+    def prepare_l3fwd_power(self):
+        self.dut.send_expect("cp ./examples/l3fwd-power/main.c .", "#")
+        self.dut.send_expect(
+                "sed -i '/DEV_RX_OFFLOAD_CHECKSUM/d' ./examples/l3fwd-power/main.c", "#", 10)
+        out = self.dut.build_dpdk_apps("./examples/l3fwd-power")
+        self.verify("Error" not in out, "compilation l3fwd-power error")
+
+    def launch_l3fwd(self, path):
+        self.core_interrupt = self.core_list_l3fwd[0]
+        cmd_l3fwd = "./examples/l3fwd-power/build/l3fwd-power " + \
+                    "-n %d -c %s --socket-mem 1024,1024 --legacy-mem " + \
+                    "--log-level='user1,7' --no-pci --file-prefix=l3fwd-pwd " + \
+                    "--vdev=virtio_user0,path=%s -- -p 1 " + \
+                    " -P --config='(0,0,%s)' --parse-ptype "
+        cmd_l3fwd = cmd_l3fwd % (self.mem_channel, self.core_mask_l3fwd,
+                    path, self.core_interrupt)
+        self.l3fwd.send_expect(cmd_l3fwd, "POWER", 40)
+        time.sleep(10)
+        out = self.l3fwd.get_session_before()
+        if ("Error" in out and "Error opening" not in out):
+            self.logger.error("Launch l3fwd-power sample error")
+        else:
+            self.logger.info("Launch l3fwd-power sample finished")
+
+    def start_vhost_testpmd(self, pci=""):
+        """
+        start testpmd on vhost side
+        """
+        cmd_vhost_user = self.dut.target + "/app/testpmd -n %d -c %s " + \
+              "--socket-mem 1024,1024 --legacy-mem %s " + \
+              "--file-prefix=vhost " + \
+              "--vdev 'net_vhost0,iface=vhost-net,queues=1,client=0' " + \
+              "-- -i --rxq=1 --txq=1"
+        cmd_vhost_user = cmd_vhost_user % (self.mem_channel,
+                self.core_mask_vhost, pci)
+
+        self.vhost.send_expect(cmd_vhost_user, "testpmd>", 30)
+        self.vhost.send_expect("set fwd mac", "testpmd>", 30)
+        self.vhost.send_expect("start", "testpmd>", 30)
+
+    def start_virtio_user(self):
+        """
+        start testpmd on virtio side
+        """
+        cmd_virtio_user = self.dut.target + "/app/testpmd -n %d -c %s " + \
+                        " --socket-mem 1024,1024 --legacy-mem --no-pci " + \
+                        "--file-prefix=virtio " + \
+                        " --vdev=net_virtio_user0,mac=00:01:02:03:04:05,path=./vhost-net" + \
+                        " -- -i --txd=512 --rxd=128 --tx-offloads=0x00"
+        cmd_virtio_user = cmd_virtio_user % (self.mem_channel,
+                        self.core_mask_virtio)
+
+        self.virtio.send_expect(cmd_virtio_user, "testpmd>", 120)
+        self.virtio.send_expect("set fwd mac", "testpmd>", 20)
+        self.virtio.send_expect("start", "testpmd>", 20)
+
+    def check_interrupt_log(self, status):
+        out = self.l3fwd.get_session_before()
+        if status == "waked up":
+            info = "lcore %s is waked up from rx interrupt on port 0 queue 0"
+        elif status == "sleeps":
+            info = "lcore %s sleeps until interrupt triggers"
+        info = info % self.core_interrupt
+        self.logger.info(info)
+        self.verify(info in out, "The CPU status not right for %s" % info)
+
+    def check_virtio_side_link_status(self, status):
+        out = self.virtio.send_expect("show port info 0", "testpmd> ", 20)
+        rinfo = re.search("Link\s*status:\s*([a-z]*)", out)
+        result = rinfo.group(1)
+        if status in result:
+            self.logger.info("Link status is right, status is %s" % status)
+        else:
+            self.logger.error("Wrong link status not right, status is %s" % result)
+
+    def test_interrupt_with_vhost_net_as_backed(self):
+        """
+        Check the virtio-user interrupt can work when use vhost-net as backend
+        """
+        self.launch_l3fwd(path="/dev/vhost-net")
+        self.virtio.send_expect("ifconfig tap0 up", "#", 20)
+        self.virtio.send_expect("ifconfig tap0 1.1.1.2", "#", 20)
+        # start to ping, check the status of interrupt core
+        self.virtio.send_command("ping -I tap0 1.1.1.1 > aa &", 20)
+        time.sleep(3)
+        self.check_interrupt_log(status="waked up")
+        # stop ping, check the status of interrupt core
+        self.dut.send_expect("killall -s INT ping", "#")
+        time.sleep(2)
+        self.check_interrupt_log(status="sleeps")
+        # restart ping, check the status of interrupt core
+        self.virtio.send_command("ping -I tap0 1.1.1.1 > aa &", 20)
+        time.sleep(3)
+        self.check_interrupt_log(status="waked up")
+        self.dut.send_expect("killall -s INT ping", "#")
+
+    def test_interrupt_with_vhost_user_as_backed(self):
+        """
+        Check the virtio-user interrupt can work when use vhost-user as backend
+        """
+        self.start_vhost_testpmd(pci="")
+        self.launch_l3fwd(path="./vhost-net")
+        # double check the status of interrupt core
+        for i in range(2):
+            self.tester.scapy_append('pk=[Ether(dst="52:54:00:00:00:01")/IP()/("X"*64)]')
+            self.tester.scapy_append('sendp(pk, iface="%s", count=100)' % self.tx_interface)
+            self.tester.scapy_execute()
+            time.sleep(3)
+            self.check_interrupt_log(status="waked up")
+
+    def test_lsc_event_between_vhost_and_virtio_user(self):
+        """
+        LSC event between vhost-user and virtio-user
+        """
+        self.start_vhost_testpmd(pci="--no-pci")
+        self.start_virtio_user()
+        self.check_virtio_side_link_status("up")
+
+        self.vhost.send_expect("quit", "#", 20)
+        self.check_virtio_side_link_status("down")
+
+    def tear_down(self):
+        """
+        run after each test case.
+        """
+        self.dut.send_expect("killall -s INT l3fwd-power", "#")
+        self.dut.send_expect("killall -s INT testpmd", "#")
+        self.close_all_session()
+
+    def tear_down_all(self):
+        """
+        run after each test suite.
+        """
+        self.dut.send_expect("mv ./main.c ./examples/l3fwd-power/", "#")
+        self.dut.build_dpdk_apps('examples/l3fwd-power')
-- 
2.7.4