如果之前添加了网卡，这里就可以看见有3个网卡（没添加的现在再加也行），* Active *为Linux内核正在使用的网卡，另外两张是未启用的网卡（先不要启用），如果有需要请查看[7]
安装dpdk实际上这部分和独立安装dpdk差别不大
前面的简介中有提到，TRex可以大致分为两部分，一部分是用来构造数据包的【基于scapy】，另一部分则是用来发送数据包【基于DPDK】
安装gcc环境现在我们先来安装DPDK部分，首先安装gcc环境
root@ubuntu:/root/trex/v3.00# sudo apt install build-essential sudo apt install make sudo apt-get install libnuma-dev下载dpdkroot@ubuntu:/root/trex/v3.00# wget http://fast.dpdk.org/rel/dpdk-18.11.9.tar.xzroot@ubuntu:/root/trex/v3.00# tar xvJf dpdk-18.11.9.tar.xzroot@ubuntu:/root/trex/v3.00# cd dpdk-stable-18.11.9/root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9#添加环境变量在dpdk的文件目录下配置环境变量，否则会导致之后用脚本安装dpdk构建环境时出错
root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9# export RTE_SDK=`pwd`root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9# export DESTDIR=`pwd`root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9# export RTE_TARGET=x86_64-default-linuxapp-gcc加载uio驱动
# 加载uio驱动root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9# modprobe uio使用脚本安装dpdk使用dpdk-setup.sh脚本进行安装
root@ubuntu:/root/trex/v3.00/dpdk-stable-18.11.9# ./usertools/dpdk-setup.sh------------------------------------------------------------------------------ RTE_SDK exported as /root/dpdk---------------------------------------------------------------------------------------------------------------------------------------- Step 1: Select the DPDK environment to build----------------------------------------------------------[1] arm64-armv8a-linuxapp-clang[2] arm64-armv8a-linuxapp-gcc[3] arm64-dpaa2-linuxapp-gcc[4] arm64-dpaa-linuxapp-gcc[5] arm64-stingray-linuxapp-gcc[6] arm64-thunderx-linuxapp-gcc[7] arm64-xgene1-linuxapp-gcc[8] arm-armv7a-linuxapp-gcc[9] i686-native-linuxapp-gcc[10] i686-native-linuxapp-icc[11] ppc_64-power8-linuxapp-gcc[12] x86_64-native-bsdapp-clang[13] x86_64-native-bsdapp-gcc[14] x86_64-native-linuxapp-clang[15] x86_64-native-linuxapp-gcc[16] x86_64-native-linuxapp-icc[17] x86_x32-native-linuxapp-gcc---------------------------------------------------------- Step 2: Setup linuxapp environment----------------------------------------------------------[18] Insert IGB UIO module[19] Insert VFIO module[20] Insert KNI module[21] Setup hugepage mappings for non-NUMA systems[22] Setup hugepage mappings for NUMA systems[23] Display current Ethernet/Crypto device settings[24] Bind Ethernet/Crypto device to IGB UIO module[25] Bind Ethernet/Crypto device to VFIO module[26] Setup VFIO permissions---------------------------------------------------------- Step 3: Run test application for linuxapp environment----------------------------------------------------------[27] Run test application ($RTE_TARGET/app/test)[28] Run testpmd application in interactive mode ($RTE_TARGET/app/testpmd)---------------------------------------------------------- Step 4: Other tools----------------------------------------------------------[29] List hugepage info from /proc/meminfo---------------------------------------------------------- Step 5: Uninstall and system cleanup----------------------------------------------------------[30] Unbind devices from IGB UIO or VFIO driver[31] Remove IGB UIO module[32] Remove VFIO module[33] Remove KNI module[34] Remove hugepage mappings[35] Exit ScriptOption:步骤一根据虚拟机的环境选择相应的build，例如我的虚拟机是64位Intel架构的环境，则选择[15]x86_64-native-linuxapp-gcc
...Installation in /root/dpdk/ complete------------------------------------------------------------------------------ RTE_TARGET exported as x86_64-native-linuxapp-gcc------------------------------------------------------------------------------Press enter to continue ...