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#!/bin/bash
# Copyright (c) 2018 Cisco and/or its affiliates.
# 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.
function dpdk_utils.dpdk_delete {
# Deletes the DPDK directory
# DPDK install directory
dpdk_install_dir=$1
# DPDK install version
dpdk_install_ver=$2
[ -d ${dpdk_install_dir}/${dpdk_install_ver} ] && \
sudo rm -r ${dpdk_install_dir}/${dpdk_install_ver} && \
echo "${dpdk_install_dir}/${dpdk_install_ver} removed"
}
function dpdk_utils.dpdk_install {
# Downloads and installs DPDK
# DPDK install directory
dpdk_install_dir=$1
# DPDK install version
dpdk_install_ver=$2
# DPDK compile target
dpdk_target=x86_64-native-linuxapp-gcc
# Force install (if true then remove previous installation; default false)
force_install=${3:-false}
if [ "$force_install" = true ]; then
# Cleanup DPDK DIR
dpdk_utils.dpdk_delete ${dpdk_install_dir} ${dpdk_install_ver}
else
# Test if DPDK was installed previously
test -d ${dpdk_install_dir}/${dpdk_install_ver} && \
{ echo "DPDK ${dpdk_install_ver} ready"; exit 0; }
fi
# Download the DPDK package if no local copy exists
if [ ! -f ${dpdk_install_dir}/${dpdk_install_ver}.tar.xz ]; then
sudo wget -e use_proxy=yes -P ${dpdk_install_dir} -q \
fast.dpdk.org/rel/${dpdk_install_ver}.tar.xz || \
{ echo "Failed to download ${dpdk_install_ver}"; exit 1; }
fi
# Create DPDK install dir if not exists and extract
sudo mkdir -p ${dpdk_install_dir} || \
{ echo "Failed to create ${dpdk_install_dir}"; exit 1; }
sudo tar -xJf ${dpdk_install_dir}/${dpdk_install_ver}.tar.xz \
-C ${dpdk_install_dir} || \
{ echo "Failed to extract ${dpdk_install_ver}.tar.xz"; exit 1; }
cd ${dpdk_install_dir}/${dpdk_install_ver}
# Compile and install the DPDK
sudo make install T=${dpdk_target} -j DESTDIR=install || \
{ echo "Installation of ${dpdk_install_ver} failed"; exit 1; }
echo "DPDK ${dpdk_install_ver} ready"
}
function dpdk_utils.load_modules {
# Loads kernel modules and bind interfaces to drivers
# Use igb_uio [true|false]
use_igb_uio=${1:-false}
# DPDK install directory
dpdk_install_dir=$2
# DPDK install version
dpdk_install_ver=$3
sudo modprobe uio
sudo modprobe uio_pci_generic
if [ "${use_igb_uio}" = true ]; then
sudo rmmod igb_uio
# Try to insert IGB_UIO module
sudo insmod ${dpdk_install_dir}/${dpdk_install_ver}/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
# If failed then download/compile DPDK
if [ $? -ne 0 ]; then
dpdk_utils.dpdk_install ${dpdk_install_dir} ${dpdk_install_ver} true
sudo insmod ${dpdk_install_dir}/${dpdk_install_ver}/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
fi
fi
}
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