* [dts] [PATCH V2 3/3] add vf rss test script
2016-01-15 6:48 [dts] [PATCH V2 1/3] add vf rss test plan xu,huilong
2016-01-15 6:48 ` [dts] [PATCH V2 2/3] add vm config for vf rss test case xu,huilong
@ 2016-01-15 6:48 ` xu,huilong
2016-01-19 3:21 ` [dts] [PATCH V2 1/3] add vf rss test plan Liu, Yong
2 siblings, 0 replies; 4+ messages in thread
From: xu,huilong @ 2016-01-15 6:48 UTC (permalink / raw)
To: dts
---
| 375 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 375 insertions(+)
create mode 100644 tests/TestSuite_vf_rss.py
--git a/tests/TestSuite_vf_rss.py b/tests/TestSuite_vf_rss.py
new file mode 100644
index 0000000..42c1c0a
--- /dev/null
+++ b/tests/TestSuite_vf_rss.py
@@ -0,0 +1,375 @@
+# 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.
+Test RSS reta (redirection table) update function.
+"""
+import time
+import random
+import re
+import dts
+testQueues = [4]
+reta_entries = []
+reta_lines = []
+
+# Use scapy to send packets with different source and dest ip.
+# and collect the hash result of five tuple and the queue id.
+from test_case import TestCase
+from pmd_output import PmdOutput
+from qemu_kvm import QEMUKvm
+
+class TestVfRss(TestCase):
+ def send_packet(self, itf, tran_type):
+ """
+ Sends packets.
+ """
+ global reta_lines
+ reta_lines = []
+ self.tester.scapy_foreground()
+ self.tester.scapy_append('sys.path.append("./")')
+ self.tester.scapy_append('from sctp import *')
+ self.vm_dut_0.send_expect("start", "testpmd>")
+ mac = self.vm_dut_0.get_mac_address(0)
+ # send packet with different source and dest ip
+ if tran_type == "ipv4-other":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IP(src="192.168.0.%d", dst="192.168.0.%d")], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv4-tcp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IP(src="192.168.0.%d", dst="192.168.0.%d")/TCP(sport=1024,dport=1024)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv4-udp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IP(src="192.168.0.%d", dst="192.168.0.%d")/UDP(sport=1024,dport=1024)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv4-sctp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s")/IP(src="192.168.0.%d", dst="192.168.0.%d")/SCTP(sport=1024,dport=1025,tag=1)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ packet = r'sendp([Ether(dst="%s")/IP(src="192.168.0.%d", dst="192.168.0.%d")/SCTP(sport=1025,dport=1024,tag=1)], iface="%s")' % (
+ mac, i + 2, i + 1, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "l2_payload":
+ for i in range(16):
+ packet = r'sendp([Ether(src="00:00:00:00:00:%02d",dst="%s")], iface="%s")' % (
+ i + 1, mac, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+
+ elif tran_type == "ipv6-other":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IPv6(src="3ffe:2501:200:1fff::%d", dst="3ffe:2501:200:3::%d")], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv6-tcp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IPv6(src="3ffe:2501:200:1fff::%d", dst="3ffe:2501:200:3::%d")/TCP(sport=1024,dport=1024)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv6-udp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s", src="02:00:00:00:00:00")/IPv6(src="3ffe:2501:200:1fff::%d", dst="3ffe:2501:200:3::%d")/UDP(sport=1024,dport=1024)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ elif tran_type == "ipv6-sctp":
+ for i in range(16):
+ packet = r'sendp([Ether(dst="%s")/IPv6(src="3ffe:2501:200:1fff::%d", dst="3ffe:2501:200:3::%d")/SCTP(sport=1024,dport=1025,tag=1)], iface="%s")' % (
+ mac, i + 1, i + 2, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+ packet = r'sendp([Ether(dst="%s")/IPv6(src="3ffe:2501:200:1fff::%d", dst="3ffe:2501:200:3::%d")/SCTP(sport=1025,dport=1024,tag=1)], iface="%s")' % (
+ mac, i + 2, i + 1, itf)
+ self.tester.scapy_append(packet)
+ self.tester.scapy_execute()
+ time.sleep(.5)
+
+ else:
+ print "\ntran_type error!\n"
+
+ #out = self.vm_dut_0.send_expect("stop", "testpmd>")
+ out = self.vm_dut_0.get_session_output()
+ print '*******************************************'
+ print out
+ if not reta_entries:
+ self.verify('RSS hash=' in out, 'rss faied')
+ return
+ lines = out.split("\r\n")
+ out = ''
+ reta_line = {}
+
+ # collect the hash result of five tuple and the queue id
+ for line in lines:
+ line = line.strip()
+ if len(line) != 0 and line.startswith(("src=",)):
+ for item in line.split("-"):
+ item = item.strip()
+ if(item.startswith("RSS hash")):
+ name, value = item.split("=", 1)
+ print name + "-" + value
+
+ reta_line[name.strip()] = value.strip()
+ reta_lines.append(reta_line)
+ reta_line = {}
+ elif len(line) != 0 and line.strip().startswith("port "):
+ rexp = r"port (\d)/queue (\d{1,2}): received (\d) packets"
+ m = re.match(rexp, line.strip())
+ if m:
+ reta_line["port"] = m.group(1)
+ reta_line["queue"] = m.group(2)
+ elif len(line) != 0 and line.startswith("stop"):
+ break
+ else:
+ pass
+ self.verifyResult()
+
+
+ def verifyResult(self):
+ """
+ Verify whether or not the result passes.
+ """
+
+ global reta_lines
+ result = []
+ dts.results_table_add_header(
+ ['packet index', 'hash value', 'hash index', 'queue id', 'actual queue id', 'pass '])
+
+ i = 0
+ for tmp_reta_line in reta_lines:
+ status = "false"
+ if(self.nic in ["niantic", "redrockcanyou"]):
+ # compute the hash result of five tuple into the 7 LSBs value.
+ hash_index = int(tmp_reta_line["RSS hash"], 16) % 128
+ else:
+ # compute the hash result of five tuple into the 7 LSBs value.
+ hash_index = int(tmp_reta_line["RSS hash"], 16) % 512
+ if(reta_entries[hash_index] == int(tmp_reta_line["queue"])):
+ status = "true"
+ result.insert(i, 0)
+ else:
+ status = "fail"
+ result.insert(i, 1)
+ dts.results_table_add_row(
+ [i, tmp_reta_line["RSS hash"], hash_index, reta_entries[hash_index], tmp_reta_line["queue"], status])
+ i = i + 1
+
+ dts.results_table_print()
+ reta_lines = []
+ self.verify(sum(result) == 0, "the reta update function failed!")
+
+ def set_up_all(self):
+ """
+ Run at the start of each test suite.
+ """
+
+ self.verify(
+ self.nic in ["niantic", "fortville_eagle", "fortville_spirit", "fortville_spirit_single"],
+ "NIC Unsupported: " + str(self.nic))
+ self.dut_ports = self.dut.get_ports(self.nic)
+ self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
+ self.verify(len(self.dut_ports) >= 1, "Not enough ports available")
+
+ self.vm0 = None
+ self.setup_1pf_1vf_1vm_env_flag = 0
+ self.setup_1pf_1vf_1vm_env(driver='')
+
+ def set_up(self):
+ """
+ Run before each test case.
+ """
+ pass
+ def setup_1pf_1vf_1vm_env(self, driver='default'):
+
+ self.used_dut_port_0 = self.dut_ports[0]
+ self.dut.generate_sriov_vfs_by_port(self.used_dut_port_0, 1, driver=driver)
+ self.sriov_vfs_port_0 = self.dut.ports_info[self.used_dut_port_0]['vfs_port']
+
+ try:
+
+ for port in self.sriov_vfs_port_0:
+ port.bind_driver('pci-stub')
+
+ time.sleep(1)
+ vf0_prot = {'opt_host': self.sriov_vfs_port_0[0].pci}
+
+ if driver == 'igb_uio':
+ # start testpmd without the two VFs on the host
+ self.host_testpmd = PmdOutput(self.dut)
+ eal_param = '-b %(vf0)s -b %(vf1)s' % {'vf0': self.sriov_vfs_port_0[0].pci}
+ self.host_testpmd.start_testpmd("1S/2C/2T", eal_param=eal_param)
+
+ # set up VM0 ENV
+ self.vm0 = QEMUKvm(self.dut, 'vm0', 'vf_rss')
+ self.vm0.set_vm_device(driver='pci-assign', **vf0_prot)
+
+ self.vm_dut_0 = self.vm0.start()
+ self.vm0_testpmd = PmdOutput(self.vm_dut_0)
+ if self.vm_dut_0 is None:
+ raise Exception("Set up VM0 ENV failed!")
+
+ self.setup_1pf_1vf_1vm_env_flag = 1
+ except Exception as e:
+ self.destroy_1pf_1vf_1vm_env()
+ raise Exception(e)
+
+ def destroy_1pf_1vf_1vm_env(self):
+ if getattr(self, 'vm0', None):
+ self.vm0_testpmd.execute_cmd('quit', '# ')
+ self.vm0_testpmd = None
+ self.vm0_dut_ports = None
+ #destroy vm0
+ self.vm0.stop()
+ self.vm0 = None
+
+ if getattr(self, 'host_testpmd', None):
+ self.host_testpmd.execute_cmd('quit', '# ')
+ self.host_testpmd = None
+
+ if getattr(self, 'used_dut_port_0', None):
+ self.dut.destroy_sriov_vfs_by_port(self.used_dut_port_0)
+ port = self.dut.ports_info[self.used_dut_port_0]['port']
+ port.bind_driver()
+ self.used_dut_port_0 = None
+
+ for port_id in self.dut_ports:
+ port = self.dut.ports_info[port_id]['port']
+ port.bind_driver()
+
+ self.setup_1pf_2vf_1vm_env_flag = 0
+
+ def test_vf_pmdrss_reta(self):
+
+ # niantic kernel host driver not support this case
+ if self.nic is 'niantic' and not self.host_testpmd:
+ return
+ vm0dutPorts = self.vm_dut_0.get_ports('any')
+ localPort = self.tester.get_local_port(vm0dutPorts[0])
+ itf = self.tester.get_interface(localPort)
+ iptypes = ['IPV4']
+
+ self.vm_dut_0.kill_all()
+
+ # test with different rss queues
+ for queue in testQueues:
+
+ self.vm0_testpmd.start_testpmd(
+ "all", "--rxq=%d --txq=%d" % (queue, queue), socket=self.ports_socket)
+
+ for iptype in iptypes:
+ self.vm_dut_0.send_expect("set verbose 8", "testpmd> ")
+ self.vm_dut_0.send_expect("set fwd rxonly", "testpmd> ")
+ self.vm_dut_0.send_expect(
+ "set nbcore %d" % (queue + 1), "testpmd> ")
+
+ # configure the reta with specific mappings.
+ if(self.nic in ["niantic", "redrockcanyou"]):
+ for i in range(128):
+ reta_entries.insert(i, random.randint(0, queue - 1))
+ self.vm_dut_0.send_expect(
+ "port config 0 rss reta (%d,%d)" % (i, reta_entries[i]), "testpmd> ")
+ else:
+ for i in range(512):
+ reta_entries.insert(i, random.randint(0, queue - 1))
+ self.vm_dut_0.send_expect(
+ "port config 0 rss reta (%d,%d)" % (i, reta_entries[i]), "testpmd> ")
+
+ self.send_packet(itf, iptype)
+
+ self.vm_dut_0.send_expect("quit", "# ", 30)
+ def test_vf_pmdrss(self):
+ vm0dutPorts = self.vm_dut_0.get_ports('any')
+ localPort = self.tester.get_local_port(vm0dutPorts[0])
+ itf = self.tester.get_interface(localPort)
+ iptypes = {'ipv4-sctp':'ip',
+ 'ipv4-other':'ip',
+ 'ipv4-udp':'udp',
+ 'ipv4-tcp':'tcp',
+ 'ipv4-sctp':'sctp',
+ 'ipv6-other':'ip',
+ 'ipv6-udp':'udp',
+ 'ipv6-tcp':'tcp',
+ 'ipv6-sctp':'sctp',
+ # 'l2_payload':'ether'
+ }
+
+ self.vm_dut_0.kill_all()
+
+ # test with different rss queues
+ for queue in testQueues:
+
+ self.vm0_testpmd.start_testpmd(
+ "all", "--rxq=%d --txq=%d" % (queue, queue), socket=self.ports_socket)
+
+ for iptype,rsstype in iptypes.items():
+ self.vm_dut_0.send_expect("set verbose 8", "testpmd> ")
+ self.vm_dut_0.send_expect("set fwd rxonly", "testpmd> ")
+ self.vm_dut_0.send_expect("port config all rss %s" % rsstype, "testpmd> ")
+ self.vm_dut_0.send_expect(
+ "set nbcore %d" % (queue + 1), "testpmd> ")
+
+ self.send_packet(itf, iptype)
+
+ self.vm_dut_0.send_expect("quit", "# ", 30)
+ def tear_down(self):
+ """
+ Run after each test case.
+ """
+ pass
+
+ def tear_down_all(self):
+ """
+ Run after each test suite.
+ """
+ #self.vm_dut_0.kill_all()
+ self.destroy_1pf_1vf_1vm_env()
--
1.9.3
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [dts] [PATCH V2 1/3] add vf rss test plan
2016-01-15 6:48 [dts] [PATCH V2 1/3] add vf rss test plan xu,huilong
2016-01-15 6:48 ` [dts] [PATCH V2 2/3] add vm config for vf rss test case xu,huilong
2016-01-15 6:48 ` [dts] [PATCH V2 3/3] add vf rss test script xu,huilong
@ 2016-01-19 3:21 ` Liu, Yong
2 siblings, 0 replies; 4+ messages in thread
From: Liu, Yong @ 2016-01-19 3:21 UTC (permalink / raw)
To: xu,huilong, dts
Applied. Thanks.
On 01/15/2016 02:48 PM, xu,huilong wrote:
> ---
> test_plans/vf_rss_test_plan.rst | 186 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 186 insertions(+)
> create mode 100644 test_plans/vf_rss_test_plan.rst
>
> diff --git a/test_plans/vf_rss_test_plan.rst b/test_plans/vf_rss_test_plan.rst
> new file mode 100644
> index 0000000..864b0a1
> --- /dev/null
> +++ b/test_plans/vf_rss_test_plan.rst
> @@ -0,0 +1,186 @@
> +.. Copyright (c) <2016>, 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.
> +
> +==================================================================
> +Fortville RSS full support - Support configuring hash functions
> +==================================================================
> +
> +This document provides test plan for testing the function of Fortville:
> +Support configuring hash functions.
> +
> +Prerequisites
> +-------------
> +
> +2x Intel? 82599 (Niantic) NICs (2x 10GbE full duplex optical ports per NIC)
> +1x Fortville_eagle NIC (4x 10G)
> +1x Fortville_spirit NIC (2x 40G)
> +2x Fortville_spirit_single NIC (1x 40G)
> +
> +The one port of the 82599 connect to the Fortville_eagle;
> +The one port of Fortville_spirit connect to Fortville_spirit_single.
> +The three kinds of NICs are the target NICs. the connected NICs can send packets
> +to these three NICs using scapy.
> +
> +Network Traffic
> +---------------
> +
> +The RSS feature is designed to improve networking performance by load balancing
> +the packets received from a NIC port to multiple NIC RX queues, with each queue
> +handled by a different logical core.
> +
> +#1. The receive packet is parsed into the header fields used by the hash
> +operation (such as IP addresses, TCP port, etc.)
> +
> +#2. A hash calculation is performed. The Fortville supports three hash function:
> +Toeplitz, simple XOR and their Symmetric RSS.
> +
> +#3. Hash result are used as an index into a 128/512 entry
> +'redirection table'.
> +
> +#4. Niantic VF only support simple default hash algorithm(simple). Fortville NIC
> +support all hash algorithm only used dpdk driver on host. when used kernel driver on host,
> +fortville nic only support default hash algorithm(simple).
> +
> +The RSS RETA update feature is designed to make RSS more flexible by allowing
> +users to define the correspondence between the seven LSBs of hash result and
> +the queue id(RSS output index) by themself.
> +
> +
> +Test Case: test_rss_hash
> +========================================
> +
> +The following RX Ports/Queues configurations have to be benchmarked:
> +
> +- 1 RX port / 4 RX queues (1P/4Q)
> +
> +
> +Testpmd configuration - 4 RX/TX queues per port
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +::
> +
> + testpmd -c 1f -n 3 -- -i --rxq=4 --txq=4 --txqflags=0
> +
> +Testpmd Configuration Options
> +-----------------------------
> +
> +By default, a single logical core runs the test.
> +The CPU IDs and the number of logical cores running the test in parallel can
> +be manually set with the ``set corelist X,Y`` and the ``set nbcore N``
> +interactive commands of the ``testpmd`` application.
> +#1. got the pci device id of DUT, for example,
> +
> +./dpdk_nic_bind.py --st
> +
> +0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f0 drv=i40e unused=
> +0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f1 drv=i40e unused=
> +
> +#2. create 2 VFs from 2 PFs,
> +
> +echo 1 > /sys/bus/pci/devices/0000\:81\:00.0/sriov_numvfs
> +echo 1 > /sys/bus/pci/devices/0000\:81\:00.1/sriov_numvfs
> +./dpdk_nic_bind.py --st
> +
> +0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f0 drv=i40e unused=
> +0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f1 drv=i40e unused=
> +0000:81:02.0 'XL710/X710 Virtual Function' unused=
> +0000:81:0a.0 'XL710/X710 Virtual Function' unused=
> +
> +#3. detach VFs from the host, bind them to pci-stub driver,
> +
> +/sbin/modprobe pci-stub
> +
> +using `lspci -nn|grep -i ethernet` got VF device id, for example "8086 154c",
> +
> +echo "8086 154c" > /sys/bus/pci/drivers/pci-stub/new_id
> +echo 0000:81:02.0 > /sys/bus/pci/devices/0000:08:02.0/driver/unbind
> +echo 0000:81:02.0 > /sys/bus/pci/drivers/pci-stub/bind
> +
> +echo "8086 154c" > /sys/bus/pci/drivers/pci-stub/new_id
> +echo 0000:81:0a.0 > /sys/bus/pci/devices/0000:08:0a.0/driver/unbind
> +echo 0000:81:0a.0 > /sys/bus/pci/drivers/pci-stub/bind
> +
> + or using the following more easy way,
> +
> + virsh nodedev-detach pci_0000_81_02_0;
> + virsh nodedev-detach pci_0000_81_0a_0;
> +
> + ./dpdk_nic_bind.py --st
> +
> + 0000:81:00.0 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f0 drv=i40e unused=
> + 0000:81:00.1 'Ethernet Controller X710 for 10GbE SFP+' if=ens259f1 drv=i40e unused=
> + 0000:81:02.0 'XL710/X710 Virtual Function' if= drv=pci-stub unused=
> + 0000:81:0a.0 'XL710/X710 Virtual Function' if= drv=pci-stub unused=
> +
> + it can be seen that VFs 81:02.0 & 81:0a.0 's drv is pci-stub.
> +
> +#4. passthrough VFs 81:02.0 & 81:0a.0 to vm0, and start vm0,
> +
> + /usr/bin/qemu-system-x86_64 -name vm0 -enable-kvm \
> + -cpu host -smp 4 -m 2048 -drive file=/home/image/sriov-fc20-1.img -vnc :1 \
> + -device pci-assign,host=81:02.0,id=pt_0 \
> + -device pci-assign,host=81:0a.0,id=pt_1
> +
> +#5. login vm0, got VFs pci device id in vm0, assume they are 00:06.0 & 00:07.0, bind them to igb_uio driver,
> +and then start testpmd, set it in mac forward mode,
> +
> +./tools/dpdk_nic_bind.py --bind=igb_uio 00:06.0 00:07.0
> +
> +#6. Reta Configuration. 128 reta entries configuration::
> +
> + testpmd command: port config 0 rss reta (hash_index,queue_id)
> +
> +#7. PMD fwd only receive the packets::
> +
> + testpmd command: set fwd rxonly
> +
> +#8. rss recived package type configuration two received packet types configuration::
> +
> + testpmd command: port config 0 rss ip/udp/tcp
> +
> +#9. verbose configuration::
> +
> + testpmd command: set verbose 8
> +
> +#10. start packet receive::
> +
> + testpmd command: start
> +#11. send packet and check rx port received packet by different queue.
> + different hash type send different packet, example hash type is ip, packet src and dts ip not different
> + sendp([Ether(dst="90:e2:ba:36:99:3c")/IP(src="192.168.0.4", dst="192.168.0.5")], iface="eth3")
> + sendp([Ether(dst="90:e2:ba:36:99:3c")/IP(src="192.168.0.5", dst="192.168.0.4")], iface="eth3")
> +Test Case: test_reta
> +========================================
> + this case test hash reta table, the test steps same with test_rss_hash except config hash reta table
> +#1 before send packet, config hash reta,512(niantic nic have 128 reta) reta entries configuration::
> +
> + testpmd command: port config 0 rss reta (hash_index,queue_id)
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