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#!/usr/bin/env bash
##
## Copyright (c) 2010-2020 Intel Corporation
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
# Directory for package build
BUILD_DIR="/root"
DPDK_VERSION="20.05"
MULTI_BUFFER_LIB_VER="0.52"
export RTE_SDK="${BUILD_DIR}/dpdk-${DPDK_VERSION}"
export RTE_TARGET="x86_64-native-linuxapp-gcc"
# By default, do not update OS
OS_UPDATE="n"
# By default, asumming that we are in the VM
K8S_ENV="y"
# If already running from root, no need for sudo
SUDO=""
[ $(id -u) -ne 0 ] && SUDO="sudo"
function os_pkgs_install()
{
${SUDO} yum install -y deltarpm yum-utils
# NASM repository for AESNI MB library
#${SUDO} yum-config-manager --add-repo http://www.nasm.us/nasm.repo
[ "${OS_UPDATE}" == "y" ] && ${SUDO} yum update -y
${SUDO} yum install -y git wget gcc unzip libpcap-devel ncurses-devel \
libedit-devel lua-devel kernel-devel iperf3 pciutils \
numactl-devel vim tuna openssl-devel wireshark \
make driverctl
${SUDO} wget https://www.nasm.us/pub/nasm/releasebuilds/2.14.02/linux/nasm-2.14.02-0.fc27.x86_64.rpm
${SUDO} rpm -ivh nasm-2.14.02-0.fc27.x86_64.rpm
}
function os_pkgs_runtime_install()
{
[ "${OS_UPDATE}" == "y" ] && ${SUDO} yum update -y
# Install required dynamically linked libraries + required packages
${SUDO} yum install -y numactl-libs libpcap openssh openssh-server \
openssh-clients sudo iproute
}
function os_cfg()
{
[ ! -f /etc/ssh/ssh_host_rsa_key ] && ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
[ ! -f /etc/ssh/ssh_host_ecdsa_key ] && ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ''
[ ! -f /etc/ssh/ssh_host_ed25519_key ] && ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N ''
[ ! -d /var/run/sshd ] && mkdir -p /var/run/sshd
USER_NAME="centos"
USER_PWD="centos"
useradd -m -d /home/${USER_NAME} -s /bin/bash -U ${USER_NAME}
echo "${USER_NAME}:${USER_PWD}" | chpasswd
usermod -aG wheel ${USER_NAME}
echo "%wheel ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/wheelnopass
}
function dpdk_install()
{
# Build DPDK for the latest kernel installed
LATEST_KERNEL_INSTALLED=`ls -v1 /lib/modules/ | tail -1`
export RTE_KERNELDIR="/lib/modules/${LATEST_KERNEL_INSTALLED}/build"
# Get and compile DPDK
pushd ${BUILD_DIR} > /dev/null 2>&1
wget http://fast.dpdk.org/rel/dpdk-${DPDK_VERSION}.tar.xz
tar -xf ./dpdk-${DPDK_VERSION}.tar.xz
popd > /dev/null 2>&1
${SUDO} ln -s ${RTE_SDK} ${BUILD_DIR}/dpdk
pushd ${RTE_SDK} > /dev/null 2>&1
make config T=${RTE_TARGET}
# Starting from DPDK 20.05, the IGB_UIO driver is not compiled by default.
# Uncomment the sed command to enable the driver compilation
#${SUDO} sed -i 's/CONFIG_RTE_EAL_IGB_UIO=n/c\/CONFIG_RTE_EAL_IGB_UIO=y' ${RTE_SDK}/build/.config
# For Kubernetes environment we use host vfio module
if [ "${K8S_ENV}" == "y" ]; then
sed -i 's/CONFIG_RTE_EAL_IGB_UIO=y/CONFIG_RTE_EAL_IGB_UIO=n/g' ${RTE_SDK}/build/.config
sed -i 's/CONFIG_RTE_LIBRTE_KNI=y/CONFIG_RTE_LIBRTE_KNI=n/g' ${RTE_SDK}/build/.config
sed -i 's/CONFIG_RTE_KNI_KMOD=y/CONFIG_RTE_KNI_KMOD=n/g' ${RTE_SDK}/build/.config
fi
# Compile with MB library if reqd.
# sed -i '/CONFIG_RTE_LIBRTE_PMD_AESNI_MB=n/c\CONFIG_RTE_LIBRTE_PMD_AESNI_MB=y' ${RTE_SDK}/build/.config
make -j`getconf _NPROCESSORS_ONLN`
ln -s ${RTE_SDK}/build ${RTE_SDK}/${RTE_TARGET}
popd > /dev/null 2>&1
}
function cleanup()
{
${SUDO} yum autoremove -y
${SUDO} yum clean all
${SUDO} rm -rf /var/cache/yum
${SUDO} rm ${BUILD_DIR}/*.xz
}
os_pkgs_install
os_cfg
dpdk_install
os_pkgs_runtime_install
cleanup
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