[dts] [PATCH v2] tests: add TestSuite_runtime_queue_number.py
Peng Yuan
yuan.peng at intel.com
Wed Mar 14 08:11:28 CET 2018
Add the TestSuite of runtime_queue_number, which can dynamically configure VF queue number.
It set the VF max queue number when running the DPDK APP instead of compiling.
Signed-off-by: Peng Yuan <yuan.peng at intel.com>
diff --git a/tests/TestSuite_runtime_queue_number.py b/tests/TestSuite_runtime_queue_number.py
new file mode 100644
index 0000000..0356c52
--- /dev/null
+++ b/tests/TestSuite_runtime_queue_number.py
@@ -0,0 +1,248 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2018 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.
+
+Set the VF max queue number when running the DPDK APP instead of compiling.
+
+"""
+
+import utils
+import time
+import re
+
+from test_case import TestCase
+from settings import HEADER_SIZE
+from pmd_output import PmdOutput
+from settings import DRIVERS
+
+from packet import Packet
+
+
+class TestRuntime_Queue_Number(TestCase):
+
+ def set_up_all(self):
+ """
+ Run at the start of each test suite.
+ Run time Queue Number Prerequistites
+ """
+ self.verify(self.nic in ["fortville_eagle", "fortville_spirit",
+ "fortville_spirit_single", "fortpark_TLV"], "NIC Unsupported: " + str(self.nic))
+
+ # Based on h/w type, choose how many ports to use
+ self.dut_ports = self.dut.get_ports(self.nic)
+ # Verify that enough ports are available
+ self.verify(len(self.dut_ports) >= 1, "Insufficient ports")
+
+ localPort = self.tester.get_local_port(self.dut_ports[0])
+ self.tester_intf = self.tester.get_interface(localPort)
+ self.tester_mac = self.tester.get_mac(localPort)
+ self.pf_interface = self.dut.ports_info[self.dut_ports[0]]['intf']
+ self.pf_mac = self.dut.get_mac_address(0)
+ self.pf_pci = self.dut.ports_info[self.dut_ports[0]]['pci']
+ self.pmdout = PmdOutput(self.dut)
+ self.cores = "1S/4C/1T"
+
+ self.session_secondary = self.dut.new_session()
+ self.session_third = self.dut.new_session()
+
+ def set_up(self):
+ """
+ Run before each test case.
+ """
+ pass
+
+ def setup_env(self, vfs_num):
+ """
+ This is to set up vf environment.
+ The pf is bound to dpdk driver.
+ """
+ # assigned number of VFs
+ self.dut.generate_sriov_vfs_by_port(self.dut_ports[0], vfs_num, self.drivername)
+ self.sriov_vfs_port = self.dut.ports_info[self.dut_ports[0]]['vfs_port']
+
+ try:
+ for port in self.sriov_vfs_port:
+ port.bind_driver(driver="vfio-pci")
+ except Exception as e:
+ self.destroy_env()
+ raise Exception(e)
+
+ def destroy_env(self):
+ """
+ This is to stop testpmd and destroy vf environment.
+ """
+ self.session_third.send_expect("quit", "# ")
+ time.sleep(2)
+ self.session_secondary.send_expect("quit", "# ")
+ time.sleep(2)
+ self.dut.send_expect("quit", "# ")
+ time.sleep(2)
+ self.dut.destroy_sriov_vfs_by_port(self.dut_ports[0])
+
+ def verify_result(self, outstring, max_rxqn, max_txqn, cur_rxqn, cur_txqn):
+ """
+ verify the packet to the expected queue or be dropped
+ """
+ self.verify("Max possible RX queues: %d" % max_rxqn in outstring, "the vf RX max queue number is not set successfully")
+ self.verify("Max possible TX queues: %d" % max_txqn in outstring, "the vf TX max queue number is not set successfully")
+ self.verify("Current number of RX queues: %d" % cur_rxqn in outstring, "the vf RX queue number is not set successfully")
+ self.verify("Current number of TX queues: %d" % cur_txqn in outstring, "the vf TX queue number is not set successfully")
+
+ def test_set_valid_vf_max_qn(self):
+ """
+ try to set all the valid queue number of VF
+ """
+ self.setup_env(2)
+ max_qn = (1, 2, 4, 8, 16)
+ # set all the valid queue number per VF
+ for i in max_qn:
+ # start testpmd on pf
+ self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=%d --file-prefix=test1 --socket-mem 1024,1024" % (self.pf_pci, i))
+ # start testpmd on vf0
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i --rxq=%d --txq=%d" % (self.target, self.sriov_vfs_port[0].pci, i, i), "testpmd>", 120)
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=i, max_txqn=i, cur_rxqn=i, cur_txqn=i)
+ self.session_secondary.send_expect("quit", "# ")
+ time.sleep(2)
+ self.dut.send_expect("quit", "# ")
+ time.sleep(2)
+
+ def test_set_invalid_vf_max_qn(self):
+ """
+ try to set several invalid queue number of VF
+ """
+ self.setup_env(2)
+ max_qn = (0, 6, 17, 32)
+ # set several invalid queue number per vf
+ for i in max_qn:
+ # start testpmd on pf
+ out = self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=%d --file-prefix=test1 --socket-mem 1024,1024" % (self.pf_pci, i))
+ self.verify("Wrong VF queue number = %d" % i in out, "the setting of invalid vf max queue number failed.")
+ # start testpmd on vf0
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i" % (self.target, self.sriov_vfs_port[0].pci), "testpmd>", 120)
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=4, max_txqn=4, cur_rxqn=1, cur_txqn=1)
+ self.session_secondary.send_expect("quit", "# ")
+ time.sleep(2)
+ self.dut.send_expect("quit", "# ")
+ time.sleep(2)
+
+ def test_set_vf_qn(self):
+ """
+ set vf queue number with testpmd eal parameters.
+ """
+ self.setup_env(2)
+ self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=8 --file-prefix=test1 --socket-mem 1024,1024" % self.pf_pci)
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i --rxq=9 --txq=9" % (self.target, self.sriov_vfs_port[0].pci), "# ", 120)
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i --rxq=3 --txq=3" % (self.target, self.sriov_vfs_port[0].pci), "testpmd>", 120)
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=3, cur_txqn=3)
+
+ def test_set_vf_qn_in_testpmd(self):
+ """
+ set vf queue number with testpmd command.
+ """
+ self.setup_env(2)
+ self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=8 --file-prefix=test1 --socket-mem 1024,1024" % self.pf_pci)
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i" % (self.target, self.sriov_vfs_port[0].pci), "testpmd>", 120)
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=1, cur_txqn=1)
+ self.session_secondary.send_expect("port stop all", "testpmd> ")
+ self.session_secondary.send_expect("port config all rxq 8", "testpmd> ")
+ self.session_secondary.send_expect("port config all txq 8", "testpmd> ")
+ self.session_secondary.send_expect("port start all", "testpmd> ")
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=8, cur_txqn=8)
+ self.session_secondary.send_expect("port stop all", "testpmd> ")
+ self.session_secondary.send_expect("port config all rxq 9", "Fail")
+ self.session_secondary.send_expect("port config all txq 9", "Fail")
+ self.session_secondary.send_expect("port start all", "testpmd> ")
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=8, cur_txqn=8)
+
+ def test_set_32vfs_1pf(self):
+ """
+ set max queue number when setting 32 VFs on 1 PF port.
+ """
+ self.setup_env(32)
+ # failed to set VF max queue num to 16.
+ out = self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=16 --file-prefix=test1 --socket-mem 1024,1024" % self.pf_pci)
+ self.verify("exceeds the hardware maximum 384" in out, "the queue num exceeds the hardware maximum 384")
+ self.dut.send_expect("quit", "# ")
+ # succeed in setting VF max queue num to 8
+ self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=8 --file-prefix=test1 --socket-mem 1024,1024" % self.pf_pci)
+ # start testpmd on vf0
+ self.session_secondary.send_expect("./%s/app/testpmd -c 0xf0 -n 4 -w %s --file-prefix=test2 --socket-mem 1024,1024 -- -i --rxq=%d --txq=%d" % (self.target, self.sriov_vfs_port[0].pci, 8, 8), "testpmd>", 120)
+ # start testpmd on vf31
+ self.session_third.send_expect("./%s/app/testpmd -c 0xf00 -n 4 -w %s --file-prefix=test3 --socket-mem 1024,1024 -- -i" % (self.target, self.sriov_vfs_port[31].pci), "testpmd>", 120)
+ # check the max queue number and current queue number
+ outstring = self.session_secondary.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=8, cur_txqn=8)
+ outstring = self.session_third.send_expect("show port info all", "testpmd> ", 120)
+ self.verify_result(outstring, max_rxqn=8, max_txqn=8, cur_rxqn=1, cur_txqn=1)
+
+ def test_vf_bound_to_kerneldriver(self):
+ """
+ set vf queue number when vf bound to kernel driver.
+ """
+ self.setup_env(2)
+ # bind vf to kernel driver
+ for port in self.sriov_vfs_port:
+ port.bind_driver(driver="i40evf")
+ # set vf max queue number to 8
+ self.pmdout.start_testpmd("%s" % self.cores, eal_param="-w %s,queue-num-per-vf=8 --file-prefix=test1 --socket-mem 1024,1024" % self.pf_pci)
+ # get the vf interface
+ for port in self.sriov_vfs_port:
+ vf_intf = port.get_interface_name()
+ # list all the vf rx/tx queues of one of the vfs
+ outstring = self.session_secondary.send_expect("ethtool -S %s" % vf_intf, "# ", 120)
+ self.verify("rx-7.packets" in outstring, "the vf RX max queue number is not set successfully")
+ self.verify("tx-7.packets" in outstring, "the vf TX max queue number is not set successfully")
+ self.dut.send_expect("quit", "# ")
+ for port in self.sriov_vfs_port:
+ port.bind_driver(driver="vfio-pci")
+
+ def tear_down(self):
+ """
+ Run after each test case.
+ """
+ self.destroy_env()
+ self.dut.kill_all()
+
+ def tear_down_all(self):
+ """
+ Run after each test suite.
+ """
+ self.dut.kill_all()
+ self.dut.close_session(self.session_secondary)
+ self.dut.close_session(self.session_third)
--
2.5.0
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