Re: [dts] [PATCH v1] test_plans: add test cases for af_xdp

["Tu, Lijuan" <lijuan.tu@intel.com>]

applied

> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of Yinan
> Sent: Friday, December 20, 2019 1:39 AM
> To: dts@dpdk.org
> Cc: Wang, Yinan <yinan.wang@intel.com>
> Subject: [dts] [PATCH v1] test_plans: add test cases for af_xdp
> 
> From: Wang Yinan <yinan.wang@intel.com>
> 
> Signed-off-by: Wang Yinan <yinan.wang@intel.com>
> ---
>  test_plans/af_xdp_2_test_plan.rst | 217
> ++++++++++++++++++++++++++++++
>  1 file changed, 217 insertions(+)
>  create mode 100644 test_plans/af_xdp_2_test_plan.rst
> 
> diff --git a/test_plans/af_xdp_2_test_plan.rst
> b/test_plans/af_xdp_2_test_plan.rst
> new file mode 100644
> index 0000000..01fae74
> --- /dev/null
> +++ b/test_plans/af_xdp_2_test_plan.rst
> @@ -0,0 +1,217 @@
> +.. 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 PMD for AF_XDP Tests
> +=========================
> +
> +Description
> +===========
> +
> +AF_XDP is a proposed faster version of AF_PACKET interface in Linux.
> +This test plan is to analysis the performance of DPDK PMD for AF_XDP.
> +
> +Prerequisites
> +=============
> +
> +1. Hardware::
> +
> +    I40e 40G*1
> +    enp26s0f1 <---> IXIA_port_0
> +
> +2. The NIC is located on the socket 1, so we define the cores of socket 1.
> +
> +3. Clone kernel branch master v5.4, make sure you turn on XDP
> socket/BPF/I40E before compiling kernel::
> +
> +    make menuconfig
> +    Networking support -->
> +         Networking options -->
> +                 [ * ] XDP sockets
> +
> +4. Build kernel and replace your host kernel with it::
> +
> +    cd bpf-next
> +    sh -c 'yes "" | make oldconfig'
> +    make -j64
> +    make modules_install install
> +    make install
> +    make headers_install
> +    cd tools/lib/bpf && make clean && make install && make install_headers
> && cd -
> +    make headers_install ARCH=x86_64 INSTALL_HDR_PATH=/usr
> +    grub-mkconfig -o /boot/grub/grub.cfg
> +    reboot
> +
> +5. Explicitly enable AF_XDP pmd by adding below line to
> config/common_linux, then build DPDK::
> +
> +    CONFIG_RTE_LIBRTE_PMD_AF_XDP=y
> +    make -j 110 install T=x86_64-native-linuxapp-gcc
> +
> +6. Involve lib::
> +
> +    export LD_LIBRARY_PATH=/home/linux/tools/lib/bpf:$LD_LIBRARY_PATH
> +
> +Test case 1: single port test with PMD core and IRQ core are pinned to
> +separate cores
> +===============================================================
> ========
> +==============
> +
> +1. Start the testpmd::
> +
> +    ethtool -L enp26s0f1 combined 1
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 1-2 -n 4 --vdev
> + net_af_xdp0,iface=enp26s0f1,start_queue=0,queue_count=1
> + --log-level=pmd.net.af_xdp:8  -- -i --nb-cores=1 --rxq=1 --txq=1
> + --port-topology=loop
> +
> +2. Assign the kernel core::
> +
> +    ./set_irq_affinity 3 enp26s0f1         #PMD and IRQs pinned to seperate
> cores
> +    ./set_irq_affinity 2 enp26s0f1         #PMD and IRQs pinned to same cores
> +
> +3. Send packets by packet generator with different packet size, from 64
> bytes to 1518 bytes, check the throughput.
> +
> +Test case 2: two ports test with PMD cores and IRQ cores are pinned to
> +separate cores
> +===============================================================
> ========
> +==============
> +
> +1. Start the testpmd::
> +
> +    ethtool -L enp26s0f0 combined 1
> +    ethtool -L enp26s0f1 combined 1
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 1-3 --no-pci -n 4 \
> +    --vdev net_af_xdp0,iface=enp26s0f0 --vdev net_af_xdp1,iface=enp26s0f1
> \
> +    --log-level=pmd.net.af_xdp:8 -- -i --auto-start --nb-cores=2
> + --rxq=1 --txq=1 --port-topology=loop
> +
> +2. Assign the kernel cores::
> +
> +    ./set_irq_affinity 4 enp26s0f0
> +    ./set_irq_affinity 5 enp26s0f1
> +
> +3. Send packets by packet generator to port0 and port1 with different
> packet size, from 64 bytes to 1518 bytes, check the throughput at port0 and
> port1.
> +
> +Test case 3: multi-queue test with PMD cores and IRQ cores are pinned
> +to separate cores
> +===============================================================
> ========
> +================
> +
> +1. Set hardware queues::
> +
> +      ethtool -L enp26s0f1 combined 2
> +
> +2. Start the testpmd with two queues::
> +
> +      ./x86_64-native-linuxapp-gcc/app/testpmd -l 1-3 -n 6 --no-pci \
> +      --vdev net_af_xdp0,iface=enp26s0f1,start_queue=0,queue_count=2 \
> +      -- -i --auto-start --nb-cores=2 --rxq=2 --txq=2
> + --port-topology=loop
> +
> +3. Assign the kernel cores::
> +
> +      ./set_irq_affinity 4-5 enp26s0f1
> +
> +4. Send packets with different dst IP address by packet generator with
> different packet size from 64 bytes to 1518 bytes, check the throughput and
> ensure the packets were distributed to the two queues.
> +
> +Test case 4: two ports test with PMD cores and IRQ cores pinned to same
> +cores
> +===============================================================
> ========
> +======
> +
> +1. Start the testpmd::
> +
> +    ethtool -L enp26s0f0 combined 1
> +    ethtool -L enp26s0f1 combined 1
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 29,30-31 --no-pci -n 4 \
> +    --vdev net_af_xdp0,iface=enp26s0f0 --vdev net_af_xdp1,iface=enp26s0f1
> \
> +    -- -i --auto-start --nb-cores=2 --rxq=1 --txq=1
> + --port-topology=loop
> +
> +2. Assign the kernel cores::
> +
> +    ./set_irq_affinity 30 enp26s0f0
> +    ./set_irq_affinity 31 enp26s0f1
> +
> +3. Send packets by packet generator to port0 and port1 with different
> packet size, from 64 bytes to 1518 bytes, check the throughput at port0 and
> port1.
> +
> +Test case 5: multi-queue test with PMD cores and IRQ cores pinned to
> +same cores
> +===============================================================
> ========
> +========
> +
> +1. Set hardware queues::
> +
> +      ethtool -L enp26s0f1 combined 2
> +
> +2. Start the testpmd with two queues::
> +
> +      ./testpmd -l 29,30-31 -n 6 --no-pci \
> +      --vdev net_af_xdp0,iface=enp26s0f1,start_queue=0,queue_count=2 \
> +      -- -i --auto-start --nb-cores=2 --rxq=2 --txq=2
> + --port-topology=loop
> +
> +3. Assign the kernel cores::
> +
> +      ./set_irq_affinity 30-31 enp26s0f1
> +
> +4. Send packets with different dst IP address by packet generator with
> different packet size from 64 bytes to 1518 bytes, check the throughput and
> ensure packets were distributed to the two queues.
> +
> +Test case 6: one port with two vdev and single queue test
> +=========================================================
> +
> +1. Set hardware queues::
> +
> +      ethtool -L enp26s0f1 combined 2
> +
> +2. Start the testpmd::
> +
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 1-3 --no-pci -n 4 \
> +    --vdev net_af_xdp0,iface=enp26s0f1,start_queue=0,queue_count=1 \
> +    --vdev net_af_xdp1,iface=enp26s0f1,start_queue=1,queue_count=1 \
> +    -- -i --nb-cores=2 --rxq=1 --txq=1 --port-topology=loop
> +
> +3. Assign the kernel core::
> +
> +    ./set_irq_affinity 4-5 enp26s0f1    #PMD and IRQs pinned to seperate
> cores
> +    ./set_irq_affinity 2-3 enp26s0f1    #PMD and IRQs pinned to same cores
> +
> +4. Set flow director rules in kernel, mapping queue0 and queue1 of the port::
> +
> +    ethtool -N enp26s0f1 rx-flow-hash udp4 fn
> +    ethtool -N enp26s0f1 flow-type udp4 src-port 4242 dst-port 4242 action 1
> +    ethtool -N enp26s0f1 flow-type udp4 src-port 4243 dst-port 4243
> + action 0
> +
> +5. Send packets match the rules to port, check the throughput at queue0
> and queue1.
> +
> +Test case 7: one port with two vdev and multi-queues test
> +=========================================================
> +
> +1. Set hardware queues::
> +
> +      ethtool -L enp26s0f1 combined 8
> +
> +2. Start the testpmd::
> +
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 1-9 --no-pci -n 6 \
> +    --vdev net_af_xdp0,iface=enp26s0f1,start_queue=0,queue_count=4 \
> +    --vdev net_af_xdp1,iface=enp26s0f1,start_queue=4,queue_count=4 --log-
> level=pmd.net.af_xdp:8 \
> +    -- -i --rss-ip --nb-cores=8 --rxq=4 --txq=4 --port-topology=loop
> +
> +3. Assign the kernel core::
> +
> +    ./set_irq_affinity 10-17 enp26s0f1    #PMD and IRQs pinned to seperate
> cores
> +    ./set_irq_affinity 2-9 enp26s0f1    #PMD and IRQs pinned to same cores
> +
> +4. Send random ip packets , check the packets were distributed to queue0 ~
> queue7.
> \ No newline at end of file
> --
> 2.17.1