[dts] [PATCH v1] test_plans: Add af_xdp_test_plan.rst

[Tu, Lijuan]

Applied, thanks

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Peng Yuan
> Sent: Tuesday, April 16, 2019 1:27 AM
> To: dts at dpdk.org
> Cc: Peng, Yuan <yuan.peng at intel.com>
> Subject: [dts] [PATCH v1] test_plans: Add af_xdp_test_plan.rst
> 
> Add af_xdp_test_plan.rst to test_plans
> 
> Signed-off-by: Peng Yuan <yuan.peng at intel.com>
> 
> diff --git a/test_plans/af_xdp_test_plan.rst
> b/test_plans/af_xdp_test_plan.rst new file mode 100644 index
> 0000000..e0e8887
> --- /dev/null
> +++ b/test_plans/af_xdp_test_plan.rst
> @@ -0,0 +1,118 @@
> +.. 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 25G*2
> +    enp216s0f0 <---> IXIA_port_0
> +    enp216s0f1 <---> IXIA_port_0
> +
> +2. The NIC is located on the socket 1, so we define the cores of socket 1.
> +
> +3. Take the kernel >= v5.1-rc1, build kernel and replace your host
> +   kernel with it.
> +   Update compiler to the proper version.
> +   Make sure you turn on XDP sockets when compiling::
> +
> +    Networking support -->
> +         Networking options -->
> +                 [ * ] XDP sockets
> +
> +4. Build libbpf in tools/lib/bpf::
> +
> +    cd tools/lib/bpf
> +    make
> +
> +   Then copy the libbpf.a and libbpf.so to /usr/lib64
> +
> +5. Set DUT port only has one queue::
> +
> +    ethtool -L enp216s0f0 combined 1
> +    ethtool -L enp216s0f1 combined 1
> +
> +6. Explicitly enable AF_XDP pmd by adding below line to
> +   config/common_linux::
> +
> +    CONFIG_RTE_LIBRTE_PMD_AF_XDP=y
> +
> +Test case 1: 1 port, 1 kernel core, 1 user core
> +===============================================
> +
> +1. Start the testpmd::
> +
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 30,31 --no-pci -n 6 \
> +    --vdev net_af_xdp0,iface=enp216s0f0,queue=0 --file-prefix=port0 \
> +    --socket-mem 1024,1024 -- -a --nb-cores=1 -i --rxq=1 --txq=1 \
> +    --port-topology=loop
> +
> +2. Assign the kernel core::
> +
> +    ./set_irq_affinity 33 enp216s0f0
> +
> +3. Send packet with packet generator with different packet size,
> +   from 64 bytes to 1518 bytes, check the throughput.
> +
> +Test case 2: 2 ports, 2 kernel cores, 1 user cores
> +==================================================
> +
> +1. Start the testpmd::
> +
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 30,32 --no-pci -n 6 \
> +    --vdev net_af_xdp0,iface=enp216s0f0,queue=0 --file-prefix=port0 \
> +    --socket-mem 1024,1024 -- -a  --nb-cores=1 -i --rxq=1 --txq=1 \
> +    --port-topology=loop
> +
> +    ./x86_64-native-linuxapp-gcc/app/testpmd -l 31,33 --no-pci -n 6 \
> +    --vdev net_af_xdp1,iface=enp216s0f1,queue=0 --file-prefix=port1 \
> +    --socket-mem 1024,1024 -- -a --nb-cores=1 -i --rxq=1 --txq=1 \
> +    --port-topology=loop
> +
> +2. Assign the kernel core::
> +
> +    ./set_irq_affinity 35 enp216s0f0
> +    ./set_irq_affinity 36 enp216s0f1
> +
> +3. Send packet with packet generator with different packet size,
> +   from 64 bytes to 1518 bytes, check the throughput.
> --
> 2.14.3