DPDK系列之四：在docker容器(CentOS 7.2.1511)中编译和运行DPDK(17.08.1)

╰+哭是因爲堅強的太久メ 2022-05-24 04:21 664阅读 0赞

**一、前言**

在当前云计算的发展趋势中，容器以其特殊的优势，成文云计算平台中非常重要的一个分支，所以DPDK开发社区也在对容器的支持方面有大量的投入。比如DPDK summit上面的这个演讲[《Dataplane Networking journey in Containers》][Dataplane Networking journey in Containers]就对不同容器应用环境中DPDK解决方案进行了探讨。

本文将就如何在容器中编译和运行DPDK进行展示。

转载自https://blog.csdn.net/cloudvtech

**二、DPDK容器编译环境配置**

2.1 操作系统和docker engine版本

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2.2 基础镜像

docker pull centos:7.2.1511

2.3 运行docker容器

docker run -it --privileged -v /sys/bus/pci/drivers:/sys/bus/pci/drivers -v /sys/kernel/mm/hugepages:/sys/kernel/mm/hugepages -v /sys/devices/system/node:/sys/devices/system/node -v /dev:/dev  -v /root/container-dpdk/yum.repos.d:/etc/yum.repos.d/ centos:7.2.1511  bash

将DPDK所需要的宿主机资源挂载进去

2.4 在容器内安装软件包

yum makecache
    yum install -y make gcc gcc-c++  kernel-devel kernel-headers kernel.x86_64 net-tools
    yum install -y numactl-devel.x86_64 numactl-libs.x86_64
    yum install -y libpcap.x86_64 libpcap-devel.x86_64
    yum install -y pciutils wget xz htop

2.5 查看系统状态

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2.6 配置大页内存

echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
    mkdir /mnt/huge
    chmod 777 /mnt/huge
    mount -t hugetlbfs nodev /mnt/huge
    mount
    cat /proc/meminfo | grep Huge
    ls /sys/kernel/mm/hugepages -l

查看配置结果

![70 3][]

![70 4][]

转载自https://blog.csdn.net/cloudvtech

**三、在容器内编译DPDK**

3.1 下载和patch

patch的内容可以参见[https://www.cnblogs.com/zzqcn/p/4024205.html][https_www.cnblogs.com_zzqcn_p_4024205.html]

wget http://fast.dpdk.org/rel/dpdk-17.08.1.tar.xz
    xz -d dpdk-17.08.1.tar.xz 
    tar -xvf dpdk-17.08.1.tar 
    mv dpdk-stable-17.08.1 /root
    cd dpdk-stable-17.08.1/
    patch file lib/librte_eal/linuxapp/igb_uio/igb_uio.c

3.2 编译DPDK

export RTE_SDK=/root/dpdk-stable-17.08.1
    export RTE_TARGET=x86_64-native-linuxapp-gcc
    make config T=x86_64-native-linuxapp-gcc
    sed -ri 's,(PMD_PCAP=).*,\1y,' build/.config
    make
    
    cd $RTE_SDK
    make install T=x86_64-native-linuxapp-gcc
    
    make -C examples RTE_SDK=$(pwd) RTE_TARGET=build O=$(pwd)/build/examples

转载自https://blog.csdn.net/cloudvtech

**四、宿主机设置DPDK运行环境**

4.1 在宿主机上加载内核模块

lsmod  | grep uio
    modprobe uio_pci_generic
    modprobe uio
    modprobe vfio-pci
    insmod build/kmod/igb_uio.ko 
    lsmod  | grep uio

![70 5][]

4.2 在宿主机上绑定网卡

ifconfig eno33554960 down 
    ifconfig eno50332184 down
    ./usertools/dpdk-devbind.py --bind=igb_uio  02:02.0 
    ./usertools/dpdk-devbind.py --bind=igb_uio  02:03.0
    usertools/dpdk-devbind.py --status

![70 6][]

转载自https://blog.csdn.net/cloudvtech

**五、在容器内运行DPDK测试**

5.1 运行DPDK helloworld

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5.2 运行PMD测试

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状态数据

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转载自https://blog.csdn.net/cloudvtech

[Dataplane Networking journey in Containers]: https://dpdksummit.com/Archive/pdf/2017Userspace/DPDK-Userspace2017-Day2-13-DPDKUserspace%20Summit20170927.pdf
[70]: /images/20220524/5c0c4f42040840e4876e93822f800125.png
[70 1]: /images/20220524/4d9bcb6f52d74214a7b492ff9a97d9cc.png
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[70 4]: /images/20220524/279cbc52ed6e447b84c0c3c7c92c2e04.png
[https_www.cnblogs.com_zzqcn_p_4024205.html]: https://www.cnblogs.com/zzqcn/p/4024205.html
[70 5]: /images/20220524/b94aa57a6cd348ef9fd3c515d6e4d0fb.png
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