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#!/bin/bash
#set -x
source _common.sh
SCRIPT_DIR=$(readlink -f "$(dirname "${BASH_SOURCE[0]}")")
IAVF_DRIVER_VERSION="${IAVF_DRIVER_VERSION:-4.0.2}"
IAVF_DRIVER_DOWNLOAD_URL_DEFAULT="https://downloadmirror.intel.com/30305/eng/iavf-${IAVF_DRIVER_VERSION}.tar.gz"
IAVF_DRIVER_DOWNLOAD_URL="${IAVF_DRIVER_DOWNLOAD_URL:-$IAVF_DRIVER_DOWNLOAD_URL_DEFAULT}"
IAVF_DRIVER_ARCHIVE="$(basename "${IAVF_DRIVER_DOWNLOAD_URL}")"
IAVF_INSTALL_DIR_HOST="${IAVF_INSTALL_DIR_HOST:-/opt/iavf}"
IAVF_INSTALL_DIR_CONTAINER="${IAVF_INSTALL_DIR_CONTAINER:-/usr/local/iavf}"
CACHE_FILE="${IAVF_INSTALL_DIR_CONTAINER}/.cache"
check_adapter() {
local -r nic_models="X710 XL710 X722"
if [[ $(lspci | grep -c "Ethernet .* \(${nic_models// /\\|}\)") != "0" ]]; then
info "Found adapter"
else
error "Missing adapter"
exit "${RETCODE_ERROR}"
fi
}
download_iavf_src() {
info "Downloading IAVF source ... "
mkdir -p "${IAVF_INSTALL_DIR_CONTAINER}"
pushd "${IAVF_INSTALL_DIR_CONTAINER}" > /dev/null
curl -L -sS "${IAVF_DRIVER_DOWNLOAD_URL}" -o "${IAVF_DRIVER_ARCHIVE}"
tar xf "${IAVF_DRIVER_ARCHIVE}" --strip-components=1
info "Patching IAVF source ... "
# Ubuntu 18.04 added the skb_frag_off definitions to the kernel
# headers beginning with 4.15.0-159
patch -p1 < "${SCRIPT_DIR}/skb-frag-off.patch"
popd > /dev/null
}
build_iavf_src() {
info "Building IAVF source ... "
pushd "${IAVF_INSTALL_DIR_CONTAINER}/src" > /dev/null
KSRC=${KERNEL_SRC_DIR} SYSTEM_MAP_FILE="${ROOT_MOUNT_DIR}/boot/System.map-$(uname -r)" INSTALL_MOD_PATH="${ROOT_MOUNT_DIR}" make install
# TODO Unable to update initramfs. You may need to do this manaully.
popd > /dev/null
}
install_iavf() {
check_adapter
download_iavf_src
build_iavf_src
}
uninstall_iavf() {
if [[ $(lsmod | grep -c "iavf") != "0" ]]; then
rmmod iavf
fi
if [[ $(lsmod | grep -c "i40evf") != "0" ]]; then
rmmod i40evf
fi
if [[ -d "${IAVF_INSTALL_DIR_CONTAINER}/src" ]]; then
pushd "${IAVF_INSTALL_DIR_CONTAINER}/src" > /dev/null
KSRC=${KERNEL_SRC_DIR} SYSTEM_MAP_FILE="${ROOT_MOUNT_DIR}/boot/System.map-$(uname -r)" INSTALL_MOD_PATH="${ROOT_MOUNT_DIR}" make uninstall
popd > /dev/null
fi
# This is a workaround for missing INSTALL_MOD_PATH prefix in the Makefile:
rm -f "${ROOT_MOUNT_DIR}/etc/modprobe.d/iavf.conf"
}
check_cached_version() {
info "Checking cached version"
if [[ ! -f "${CACHE_FILE}" ]]; then
info "Cache file ${CACHE_FILE} not found"
return "${RETCODE_ERROR}"
fi
# Source the cache file and check if the cached driver matches
# currently running kernel and driver versions.
. "${CACHE_FILE}"
if [[ "$(uname -r)" == "${CACHE_KERNEL_VERSION}" ]]; then
if [[ "${IAVF_DRIVER_VERSION}" == "${CACHE_IAVF_DRIVER_VERSION}" ]]; then
info "Found existing driver installation for kernel version $(uname -r) and driver version ${IAVF_DRIVER_VERSION}"
return "${RETCODE_SUCCESS}"
fi
fi
return "${RETCODE_ERROR}"
}
update_cached_version() {
cat >"${CACHE_FILE}"<<__EOF__
CACHE_KERNEL_VERSION=$(uname -r)
CACHE_IAVF_DRIVER_VERSION=${IAVF_DRIVER_VERSION}
__EOF__
info "Updated cached version as:"
cat "${CACHE_FILE}"
}
upgrade_driver() {
uninstall_iavf
install_iavf
}
check_driver_started() {
if [[ $(lsmod | grep -c "iavf") == "0" ]]; then
return "${RETCODE_ERROR}"
fi
return 0
}
start_driver() {
modprobe -d "${ROOT_MOUNT_DIR}" -C "${ROOT_MOUNT_DIR}/etc/modprobe.d" iavf
if ! check_driver_started; then
error "Driver not started"
fi
}
uninstall_driver() {
uninstall_iavf
rm -f "${CACHE_FILE}"
}
main() {
load_etc_os_release
local -r cmd="${1:-install}"
case $cmd in
install)
if ! check_cached_version; then
upgrade_driver
update_cached_version
fi
if ! check_driver_started; then
start_driver
fi
;;
uninstall)
uninstall_driver
;;
esac
}
main "$@"
|
