X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fbash%2Fshell%2Fdpdk_utils.sh;fp=resources%2Flibraries%2Fbash%2Fshell%2Fdpdk_utils.sh;h=9f81aaabce6d838c36bf3eb8a96a58ef1502820e;hp=0000000000000000000000000000000000000000;hb=0437095f4bf958154f25a3f163f432b22fcdc743;hpb=d7cf0a829cc9cc63799330b673c8c42393de2655 diff --git a/resources/libraries/bash/shell/dpdk_utils.sh b/resources/libraries/bash/shell/dpdk_utils.sh new file mode 100644 index 0000000000..9f81aaabce --- /dev/null +++ b/resources/libraries/bash/shell/dpdk_utils.sh @@ -0,0 +1,92 @@ +#!/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 +}