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entrypoint.sh
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#!/bin/bash
# Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#
# This software is available to you under a choice of one of two
# licenses. You may choose to be licensed under the terms of the GNU
# General Public License (GPL) Version 2, available from the file
# COPYING in the main directory of this source tree, or the
# OpenIB.org BSD license below:
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
# - Redistributions of source code must retain the above
# copyright notice, this list of conditions and the following
# disclaimer.
#
# - Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
: ${UNLOAD_STORAGE_MODULES:=false}
: ${CREATE_IFNAMES_UDEV:=false}
: ${ENABLE_NFSRDMA:=false}
: ${RESTORE_DRIVER_ON_POD_TERMINATION:=true}
: ${ENTRYPOINT_DEBUG:=false}
: ${DEBUG_LOG_FILE:=/tmp/entrypoint_debug_cmds.log}
: ${DEBUG_SLEEP_SEC_ON_EXIT:=300}
: ${NVIDIA_NIC_DRIVER_VER:=""}
: ${NVIDIA_NIC_DRIVER_PATH:=""}
: ${NVIDIA_NIC_CONTAINER_VER:=""}
: ${DTK_OCP_DRIVER_BUILD:=false}
: ${DTK_OCP_NIC_SHARED_DIR:=/mnt/shared-nvidia-nic-driver-toolkit}
: ${NVIDIA_NIC_DRIVERS_INVENTORY_PATH:=""}
: ${OFED_BLACKLIST_MODULES_FILE:=/etc/modprobe.d/blacklist-ofed-modules.conf}
: ${OFED_BLACKLIST_MODULES:=mlx5_core:mlx5_ib:ib_umad:ib_uverbs:ib_ipoib:rdma_cm:rdma_ucm:ib_core:ib_cm}
function timestamp_print () {
date_time_stamp=$(date +'%d-%b-%y_%H:%M:%S')
msg="[${date_time_stamp}] $@"
echo "${msg}" | tee -a ${DEBUG_LOG_FILE}
}
function debug_print() {
if ${ENTRYPOINT_DEBUG}; then
timestamp_print $@
fi
}
function exit_entryp() {
debug_print "Function: ${FUNCNAME[0]}"
if ${ENTRYPOINT_DEBUG}; then
debug_print "Entrypoint exit request caught - exit code: $1, attempting to sleep ${DEBUG_SLEEP_SEC_ON_EXIT} sec."
sleep ${DEBUG_SLEEP_SEC_ON_EXIT}
fi
exit $1
}
# Commands success for destroy methods is irrelevant
function unmount_rootfs() {
debug_print "Function: ${FUNCNAME[0]}"
if [ `findmnt -r -o TARGET | grep ${MLX_DRIVERS_MOUNT} -c` -gt 1 ] ; then
debug_print "Unmounting ${MLX_DRIVERS_MOUNT}"
umount -l -R ${MLX_DRIVERS_MOUNT} > /dev/null 2>&1
rm -rf ${MLX_DRIVERS_MOUNT}${SHARED_KERNEL_HEADERS_DIR}
fi
}
function delete_udev_rules() {
debug_print "Function: ${FUNCNAME[0]}"
if [ -f ${MLX_UDEV_RULES_FILE} ]; then
timestamp_print "Deleting udev rules"
rm ${MLX_UDEV_RULES_FILE}
else
debug_print "udev rules file was not previously created, skipping"
fi
}
function set_driver_readiness() {
debug_print "Function: ${FUNCNAME[0]}"
if [ "$1" == "1" ]; then
timestamp_print "Setting driver ready state"
exec_cmd "touch ${DRIVER_READY_FILE}"
else
timestamp_print "Unsetting driver ready state"
exec_cmd "rm -f ${DRIVER_READY_FILE}"
fi
}
function termination_handler() {
debug_print "Function: ${FUNCNAME[0]}"
timestamp_print "Terminating container"
set_driver_readiness 0
if [[ "${CREATE_IFNAMES_UDEV}" = true ]]; then
delete_udev_rules
fi
if [[ "${RESTORE_DRIVER_ON_POD_TERMINATION}" != false && "${new_driver_loaded}" == true ]]; then
if [ -e /usr/sbin/mlnxofedctl ]; then
timestamp_print "Restoring Mellanox OFED Driver from host..."
/usr/sbin/mlnxofedctl --alt-mods force-restart
print_loaded_drv_ver_str
restore_sriov_config
fi
else
timestamp_print "Keeping currently loaded Mellanox OFED Driver..."
fi
unmount_rootfs
if ! ${reuse_driver_inventory} || ${driver_build_incomplete}; then
debug_print "Removing driver packages temporary directory ${driver_inventory_path}"
exec_cmd "rm -rf ${driver_inventory_path}"
fi
}
function terminate_event() {
debug_print "Function: ${FUNCNAME[0]}"
timestamp_print "Terminate event caught"
termination_handler
trap - EXIT SIGTERM SIGINT
exit_entryp 1
}
# Function to execute command, capture exit status and stdout
function exec_cmd() {
debug_print "Executing command: $@"
output=$(eval "$@")
exit_code=$?
echo "$output"
if [[ $exit_code -ne 0 ]]; then
timestamp_print "Command \"$@\" failed with exit code: $exit_code"
exit_entryp $exit_code
fi
}
function mount_rootfs() {
debug_print "Function: ${FUNCNAME[0]}"
timestamp_print "Mounting Mellanox OFED driver container shared kernel headers"
exec_cmd mount --make-runbindable /sys
exec_cmd mount --make-private /sys
(mount -l | grep mellanox | grep -v tmpfs -q) && debug_print "Mount ${MLX_DRIVERS_MOUNT} exists" && return
exec_cmd mkdir -p ${MLX_DRIVERS_MOUNT}${SHARED_KERNEL_HEADERS_DIR}
exec_cmd mount --rbind ${SHARED_KERNEL_HEADERS_DIR} ${MLX_DRIVERS_MOUNT}${SHARED_KERNEL_HEADERS_DIR}
}
function ubuntu_install_prerequisites() {
debug_print "Function: ${FUNCNAME[0]}"
if [[ ${FULL_KVER} =~ "realtime" ]]; then
debug_print "RT kernel identified"
exec_cmd "cp -r /host/etc/apt/* /etc/apt/"
fi
exec_cmd "apt-get update"
exec_cmd "apt-get -yq install pkg-config linux-headers-${FULL_KVER}"
}
function sles_install_prerequisites() {
debug_print "Function: ${FUNCNAME[0]}"
CLEANED_KERNEL_VER=${FULL_KVER%-default}
exec_cmd "zypper --non-interactive install --no-recommends kernel-default-devel=${CLEANED_KERNEL_VER}"
}
function redhat_fetch_major_ver() {
debug_print "Function: ${FUNCNAME[0]}"
if ${IS_OS_UBUNTU} || ${IS_OS_SLES}; then
debug_print "${FUNCNAME[0]}: unexpected call"
exit_entryp 1
else
host_os_info_file='/host/etc/os-release'
exec_cmd "egrep \"^ID=|^VERSION_ID=|^RHEL_VERSION=\" ${host_os_info_file}"
eval local $(cat ${host_os_info_file} | grep ^ID=)
eval local $(cat ${host_os_info_file} | grep ^VERSION_ID=)
eval local $(cat ${host_os_info_file} | grep ^RHEL_VERSION=)
if [ "${ID}" = "rhcos" ]; then
OPENSHIFT_VERSION=${VERSION_ID:-4.9}
elif [ "${ID}" = "rhel" ]; then
RHEL_VERSION=${VERSION_ID:-8.4}
else
eval local $(cat ${host_os_info_file} | grep ^VERSION_ID=)
RHEL_VERSION=${VERSION_ID:-8.4}
fi
RHEL_MAJOR_VERSION=${RHEL_VERSION%%.*}
[[ ! -z ${RHEL_MAJOR_VERSION} ]] && debug_print "RHEL major version: ${RHEL_MAJOR_VERSION}"
[[ ! -z ${OPENSHIFT_VERSION} ]] && debug_print "OPENSHIFT major version: ${OPENSHIFT_VERSION}"
fi
}
# Install the kernel modules header/builtin/order files
# and generate the kernel version string
function redhat_install_prerequisites() {
debug_print "Function: ${FUNCNAME[0]}"
timestamp_print "Enabling RHOCP and EUS RPM repos..."
redhat_fetch_major_ver
if [ -n "${OPENSHIFT_VERSION}" ]; then
exec_cmd "dnf config-manager --set-enabled rhocp-${OPENSHIFT_VERSION}-for-rhel-${RHEL_MAJOR_VERSION}-${ARCH}-rpms || true"
if ! dnf makecache --releasever=${RHEL_VERSION}; then
exec_cmd "dnf config-manager --set-disabled rhocp-${OPENSHIFT_VERSION}-for-rhel-${RHEL_MAJOR_VERSION}-${ARCH}-rpms"
fi
else
: # Do nothing; alternative to `true` to avoid trap when if evaluates to false
fi
timestamp_print "Installing dependencies"
rt_hp_substr=""
k_ver="not_set"
releasever_str="--releasever=${RHEL_VERSION}"
if [[ ! ${FULL_KVER} =~ rt && ! ${FULL_KVER} =~ 64k ]]; then
k_ver=$FULL_KVER
eus_available=("8.4" "8.6" "8.8" "9.0" "9.2" "9.4")
if [[ " ${eus_available[@]} " =~ " $RHEL_VERSION " ]]
then
exec_cmd "dnf config-manager --set-enabled rhel-${RHEL_MAJOR_VERSION}-for-${ARCH}-baseos-eus-rpms"
fi
# Dependencies for RH 9.x changed, thus explict installation required
exec_cmd "dnf -q -y ${releasever_str} install kernel-${FULL_KVER}"
exec_cmd "dnf -q -y ${releasever_str} install kernel-headers-${FULL_KVER}"
# note: we provide --allowerasing flag to allow install of possible conflict packages
# like openssl-libs which is required for kernel-devel that coflicts with openssl-fips in container
exec_cmd "dnf -q -y ${releasever_str} install kernel-devel-${FULL_KVER}" --allowerasing
exec_cmd "dnf -q -y ${releasever_str} install kernel-core-${FULL_KVER}"
elif [[ ${FULL_KVER} =~ rt ]]; then
debug_print "RT kernel identified"
releasever_str=""
rt_hp_substr="rt-"
exec_cmd "cp /host/etc/yum.repos.d/redhat.repo /etc/yum.repos.d/"
# RH9.X RT kernel name pattern, example: 5.14.0-362.13.1.el9_3.x86_64+rt
if [[ ${FULL_KVER} =~ rt$ ]]; then
k_ver="${FULL_KVER%.*}.${ARCH}"
elif [[ ${FULL_KVER} =~ rt ]]; then
# RH8.X RT kernel name pattern, example: 4.18.0-513.11.1.rt7.313.el8_9.x86_64
k_ver=$FULL_KVER
else
debug_print "Failed to identify RT kernel naming pattern in kernel string: ${FULL_KVER}"
exit_entryp 1
fi
elif [[ ${FULL_KVER} =~ 64k ]]; then
debug_print "64k page size kernel identified"
releasever_str=""
rt_hp_substr="64k-"
exec_cmd "cp /host/etc/yum.repos.d/redhat.repo /etc/yum.repos.d/"
if [[ ${FULL_KVER} =~ 64k$ ]]; then
k_ver="${FULL_KVER%.*}.${ARCH}"
else
debug_print "Failed to identify 64k page size kernel naming pattern in kernel string: ${FULL_KVER}"
exit_entryp 1
fi
fi
exec_cmd "dnf -q -y ${releasever_str} install kernel-${rt_hp_substr}devel-${k_ver}"
exec_cmd "dnf -q -y ${releasever_str} install kernel-${rt_hp_substr}modules-${k_ver}"
exec_cmd "dnf -q -y --releasever=${RHEL_VERSION} install elfutils-libelf-devel kernel-rpm-macros numactl-libs lsof rpm-build patch hostname"
if ! dnf makecache --releasever=${RHEL_VERSION}; then
exec_cmd "dnf config-manager --set-disabled rhel-${RHEL_MAJOR_VERSION}-for-${ARCH}-baseos-eus-rpms"
fi
}
function set_append_driver_build_flags() {
debug_print "Function: ${FUNCNAME[0]}"
if [[ "${ENABLE_NFSRDMA}" = false ]]; then
append_driver_build_flags="$append_driver_build_flags --without-mlnx-nfsrdma${pkg_dkms_suffix} --without-mlnx-nvme${pkg_dkms_suffix}"
fi
}
function dtk_ocp_setup_driver_build() {
debug_print "Function: ${FUNCNAME[0]}"
timestamp_print "Copy required files to shared dir with OCP DTK"
exec_cmd "cp -r ${NVIDIA_NIC_DRIVER_PATH} ${DTK_OCP_NIC_SHARED_DIR}/"
exec_cmd "sed -i '/append_driver_build_flags=/c\append_driver_build_flags=\"${append_driver_build_flags}\"' ${DTK_OCP_BUILD_SCRIPT}"
exec_cmd "sed -i '/DTK_OCP_COMPILED_DRIVER_VER=/c\DTK_OCP_COMPILED_DRIVER_VER=${NVIDIA_NIC_DRIVER_VER}' ${DTK_OCP_BUILD_SCRIPT}"
exec_cmd "sed -i '/DTK_OCP_START_COMPILE_FLAG=/c\DTK_OCP_START_COMPILE_FLAG=${DTK_OCP_START_COMPILE_FLAG}' ${DTK_OCP_BUILD_SCRIPT}"
exec_cmd "sed -i '/DTK_OCP_DONE_COMPILE_FLAG=/c\DTK_OCP_DONE_COMPILE_FLAG=${DTK_OCP_DONE_COMPILE_FLAG}' ${DTK_OCP_BUILD_SCRIPT}"
exec_cmd "cp ${DTK_OCP_BUILD_SCRIPT} ${DTK_OCP_NIC_SHARED_DIR}/"
exec_cmd "touch ${DTK_OCP_START_COMPILE_FLAG}"
debug_print "Start compile flag is set at: ${DTK_OCP_START_COMPILE_FLAG}"
}
function dtk_ocp_finalize_driver_build() {
debug_print "Function: ${FUNCNAME[0]}"
rpms_path="${DTK_OCP_NIC_SHARED_DIR}/MLNX_OFED_SRC-${NVIDIA_NIC_DRIVER_VER}/RPMS/redhat-release-*/${ARCH}/"
debug_print "Storing driver rpms from ${rpms_path} to ${driver_inventory_path}"
exec_cmd "cp -rf ${rpms_path}/*.rpm ${driver_inventory_path}/"
}
function build_driver_from_src() {
debug_print "Function: ${FUNCNAME[0]}"
sub_path_str="RPMS"
os_str="redhat"
package_type="rpm"
append_driver_build_flags="$append_driver_build_flags --disable-kmp"
if ${IS_OS_UBUNTU}; then
sub_path_str="DEBS"
os_str="ubuntu"
package_type="deb"
append_driver_build_flags="$append_driver_build_flags --without-dkms"
fi
if ${IS_OS_SLES}; then
sub_path_str="RPMS"
os_str="sles"
package_type="rpm"
append_driver_build_flags="$append_driver_build_flags --disable-kmp"
append_driver_build_flags="$append_driver_build_flags --kernel-sources /lib/modules/${FULL_KVER}/build"
fi
timestamp_print "Starting driver build"
exec_cmd "${NVIDIA_NIC_DRIVER_PATH}/install.pl --without-depcheck --kernel ${FULL_KVER} --kernel-only --build-only --with-mlnx-tools --without-knem${pkg_dkms_suffix} --without-iser${pkg_dkms_suffix} --without-isert${pkg_dkms_suffix} --without-srp${pkg_dkms_suffix} --without-kernel-mft${pkg_dkms_suffix} --without-mlnx-rdma-rxe${pkg_dkms_suffix} ${append_driver_build_flags}"
# If build from src triggered driver was not previously built for current kernel
if [ ${reuse_driver_inventory} ]; then
exec_cmd "cp ${NVIDIA_NIC_DRIVER_PATH}/${sub_path_str}/${os_str}*/${ARCH}/*.${package_type} ${driver_inventory_path}"
timestamp_print "Stored driver packages at ${driver_inventory_path}"
fi
}
function fix_src_link() {
debug_print "Function: ${FUNCNAME[0]}"
local target=$(readlink /usr/src/ofa_kernel/default)
if [[ -e /usr/src/ofa_kernel/${ARCH}/${FULL_KVER} ]] && [[ -L /usr/src/ofa_kernel/default ]] && [[ "${target:0:1}" = / ]]; then
exec_cmd "ln -snf ${ARCH}/${FULL_KVER} /usr/src/ofa_kernel/default"
fi
}
function create_udev_rules() {
debug_print "Function: ${FUNCNAME[0]}"
# OFED deprecated old rules: 82-net-setup-link.rules, vf-net-link-name.sh
# Script will create new udev rules file, with higher hierarchy, considering upgrade from older to newer OFED version
# Method triggered if naming schema is short, creates udev rules file to engage and cut "np[n]" once device added with new driver
echo "ACTION!=\"add\", GOTO=\"mlnx_ofed_name_end\"
SUBSYSTEM!=\"net\", GOTO=\"mlnx_ofed_name_end\"
# Rename physical interfaces (first case) of virtual functions (second case).
# Example names:
# enp8s0f0np0 -> enp8s0f0
# enp8s0f0np1v12 -> enp8s0f0v12
DRIVERS==\"mlx5_core\", ENV{ID_NET_NAME_PATH}!=\"\", \\
PROGRAM=\"/bin/sh -c 'echo \$env{ID_NET_NAME_PATH} | sed -r -e s/np[01]$// -e s/np[01]v/v/'\", \\
ENV{ID_NET_NAME_PATH}=\"\$result\"
DRIVERS==\"mlx5_core\", ENV{ID_NET_NAME_SLOT}!=\"\", \\
PROGRAM=\"/bin/sh -c 'echo \$env{ID_NET_NAME_SLOT} | sed -r -e s/np[01]$// -e s/np[01]v/v/'\", \\
ENV{ID_NET_NAME_SLOT}=\"\$result\"
LABEL=\"mlnx_ofed_name_end\"
" > ${MLX_UDEV_RULES_FILE}
debug_print "Short interface name exposed by old driver, injected udev rules file ${MLX_UDEV_RULES_FILE}"
debug_print `cat ${MLX_UDEV_RULES_FILE}`
}
function ubuntu_sync_network_configuration_tools() {
debug_print "Function: ${FUNCNAME[0]}"
# As part of openibd restart, mlnx_interface_mgr.sh is running and trying to read
# /etc/network/interfaces file in case ifup exists and netplan doesn't.
# In case the host doesn't include ifup but the container do we will fail on reading this file
# and restarting openibd.
# The container need to work on both cases where the host includes ifup and when it doesn't.
# In order to support it we will install both ifup and netplan in the container and on run time
# we will try to read /etc/network/interfaces (which is mounted from host) and if not exist
# assume that ifup is missing in the host, in such case we will rename the ifup file in the
# container so that mlnx_interface_mgr.sh will not find it and won't be trying to read missing
# /etc/network/interfaces file.
if [[ -e /etc/network/interfaces ]]; then
timestamp_print "/etc/network/interfaces wasn't found, renaming ifup file (/sbin/ifup -> /sbin/ifup.bk)."
if [[ -e /sbin/ifup ]]; then
exec_cmd mv /sbin/ifup /sbin/ifup.bk
fi
return 0
fi
}
function unload_storage_modules() {
debug_print "Function: ${FUNCNAME[0]}"
# Update openibd to unload storage modules
debug_print "Extending modules unload list with storage modules"
sed -i -e '/^UNLOAD_MODULES="[a-z]/aUNLOAD_MODULES="$UNLOAD_MODULES ib_isert nvme_rdma nvmet_rdma rpcrdma xprtrdma ib_srpt"' /etc/init.d/openibd
if [ `grep ib_isert /etc/init.d/openibd -c` -lt 1 ]; then
timestamp_print "Failed to inject storage modules for unload"
exit_entryp 1
fi
}
function generate_ofed_modules_blacklist(){
echo "Function: ${FUNCNAME[0]}"
# Setting modules delimiter by ":"
IFS=':' read -ra components <<< "${OFED_BLACKLIST_MODULES}"
echo -e "# blacklist ofed-related modules on host to prevent inbox or host OFED driver loading\n" > ${OFED_BLACKLIST_MODULES_FILE}
# Split module names and append to file
for component in "${components[@]}"; do
echo "blacklist $component" >> ${OFED_BLACKLIST_MODULES_FILE}
done
debug_print "`cat ${OFED_BLACKLIST_MODULES_FILE}`"
}
function remove_ofed_modules_blacklist(){
rm -rf ${OFED_BLACKLIST_MODULES_FILE}; timestamp_print "Remove blacklisted mofed modules file from host"
}
function restart_driver() {
debug_print "Function: ${FUNCNAME[0]}"
# Ensure mlx5_core dependencies loaded
exec_cmd "modprobe -d /host tls"
exec_cmd "modprobe -d /host psample"
# Check if mlx5_ib depends on macsec if so, load it.
if modinfo -Fdepends mlx5_ib | grep -qw macsec; then
exec_cmd "modprobe -d /host macsec"
fi
load_pci_hyperv_intf=false
# ARM does not contain relevant packages, also not a blocker for this OS type for mlx5_core load
if [ "${ARCH}" != "aarch64" ]; then
if ! ${IS_OS_UBUNTU} && ! ${IS_OS_SLES}; then
redhat_fetch_major_ver
[[ $RHEL_MAJOR_VERSION -ge $RH_RT_MIN_MAJOR_VER ]] && load_pci_hyperv_intf=true
else
load_pci_hyperv_intf=true
fi
fi
${load_pci_hyperv_intf} && exec_cmd "modprobe -d /host pci-hyperv-intf"
timestamp_print "Apply blacklisted mofed modules file to host (${OFED_BLACKLIST_MODULES_FILE})"
trap 'remove_ofed_modules_blacklist' EXIT
generate_ofed_modules_blacklist
${UNLOAD_STORAGE_MODULES} && unload_storage_modules
exec_cmd "/etc/init.d/openibd restart"
remove_ofed_modules_blacklist
}
function restructure_guid() {
sysfs_guid_val=$1
#Example: 0000:0000:0000:0000
merged_guid=${sysfs_guid_val//:}
#Example: 0000000000000000
splitted_new=$(sed 's/../&:/g' <<< $merged_guid | cut -d: -f 1-8)
#Example 00:00:00:00:00:00:00:00
echo $splitted_new
}
function get_first_mlx_netdev_name() {
for netdev_path in /sys/class/net/*; do
if (grep $VENDOR "${netdev_path}"/device/vendor >/dev/null 2>&1); then
netdev_name=$(basename "$netdev_path")
break
fi
done
echo ${netdev_name}
}
function find_mlx_devs() {
debug_print "Function: ${FUNCNAME[0]}"
for netdev_path in /sys/class/net/*; do
if (grep $VENDOR "${netdev_path}"/device/vendor >/dev/null 2>&1); then
debug_print "Fetching device info for: $netdev_path"
pci_addr=$(basename $(readlink ${netdev_path}/device)) && [[ -n $pci_addr ]] || return 1
dev_name=$(basename "$netdev_path") && [[ -n $dev_name ]] || return 1
dev_adminstate_flags=$(( $(cat "$netdev_path"/flags) & 1 )) && [[ -n $dev_adminstate_flags ]] || return 1
dev_adminstate=$([[ $dev_adminstate_flags -eq 1 ]] && echo "up" || echo "down")
dev_mtu=$(cat "$netdev_path"/mtu) && [[ -n $dev_mtu ]] || return 1
dev_type=""
dev_guid=""
if [[ -e "$netdev_path"/device/sriov_numvfs ]]; then
pf_numvfs=$(cat "$netdev_path"/device/sriov_numvfs) && [[ -n $pf_numvfs ]] || return 1
else
pf_numvfs=0
fi
if [[ "$dev_name" =~ ^ib.* ]]; then
dev_type="ib"
sysfs_guid=$(cat ${netdev_path}/device/infiniband/*/node_guid) && [[ -n $sysfs_guid ]] || return 1
dev_guid=$(restructure_guid $sysfs_guid)
else
dev_type="eth"
dev_guid="-"
fi
eswitch_mode=$(devlink dev eswitch show pci/$pci_addr 2>/dev/null | awk '{for (i=1; i<=NF; i++) if ($i == "mode") {print $(i+1); exit}}')
if [ "${eswitch_mode}" == "switchdev" ]; then
representor_regex="^pf([0-9]+)vf([0-9]+)$"
mlnx_dev_phys_port_name=$(cat /sys/class/net/"${dev_name}"/phys_port_name 2>/dev/null)
# Use regex to parse the string and extract numbers
if [[ "$mlnx_dev_phys_port_name" =~ $representor_regex ]]; then
debug_print "Device ${mlnx_dev_name} is a switchdev representor, not a PF, skipping"
continue
fi
fi
dev_record="$pci_addr $dev_type $dev_name $dev_adminstate $dev_mtu $pf_numvfs $dev_guid $eswitch_mode"
debug_print "Storing device record [${mlx_dev_record_idx}] $dev_record"
mlx_devs_arr[${mlx_dev_record_idx}]=$dev_record
# Example:
# pci_addr dev_type dev_name dev_adminstate dev_mtu pf_numvfs dev_guid (For IB only) eswitch_mode
# 0000:08:00.0 eth eth2 up 1500 4 0c42:a103:0016:054c legacy
# 0000:08:00.1 eth eth3 up 1500 0 0c42:a103:0016:054d switchdev
mlx_dev_record_idx=$((mlx_dev_record_idx+1))
# Due to various interface namings between onboard and std. pci devices we must loop through all NVIDIA NICs
# interface names and sample if ANY contains np[n] suffix in ID_NET_NAME_PATH query
# IF found long naming scheme - no need to inject udev rules
if ! ${found_long_mlx_dev_id_net_name_path}; then
mlx_dev_id_net_name_path=$(udevadm info --query=property ${netdev_path} | grep ID_NET_NAME_PATH | cut -d= -f 2)
# udevadm from version 252 has straight-forward query: udevadm info --query=property --property=ID_NET_NAME_PATH --value /sys/class/net/<iface_name>
# Ubuntu 22.04 built-in udevadm version is 249, which lacks filtering query by property name, thus utilizing genetic piped commands
debug_print "Sampling interface for ID_NET_NAME_PATH: ${netdev_path} => ${mlx_dev_id_net_name_path}"
if [[ ${mlx_dev_id_net_name_path} =~ np[0-3]$ ]]; then
debug_print "Old driver exposed long (new) interface name scheme, udev rules will not be injected"
found_long_mlx_dev_id_net_name_path=true
fi
fi
fi
done
}
function find_mlx_vfs() {
debug_print "Function: ${FUNCNAME[0]}"
num_mlx_devices=${mlx_dev_record_idx-1}
timestamp_print "Query VFs info from [${num_mlx_devices}] devices"
while [ ${num_mlx_devices} -gt 0 ]; do
declare -a mlx_dev_info=(${mlx_devs_arr[$((num_mlx_devices-1))]})
# pci_addr dev_type dev_name dev_adminstate dev_mtu pf_numvfs dev_guid eswitch_mode
# [0] [1] [2] [3] [4] [5] [6] [7]
mlnx_dev_pci=${mlx_dev_info[0]}
mlnx_dev_type=${mlx_dev_info[1]}
mlnx_dev_name=${mlx_dev_info[2]}
mlnx_dev_numvfs=${mlx_dev_info[5]}
mlnx_dev_eswitch_mode=${mlx_dev_info[7]}
if [ "${mlnx_dev_numvfs}" == "0" ]; then
debug_print "Device ${mlnx_dev_name} does not have open VFs, skipping"
num_mlx_devices=$(($num_mlx_devices-1))
continue
fi
found_sriov_conf=$(($found_sriov_conf+1))
debug_print "Fetching [$mlnx_dev_numvfs] VFs info for PCI device: ${mlnx_dev_pci} ($mlnx_dev_name)"
for vf_index in $(seq 0 1 $((mlnx_dev_numvfs-1))); do
vf_dev_base_path="/sys/class/net/$mlnx_dev_name/device/virtfn$vf_index/net/"
vf_name=$(ls "$vf_dev_base_path") && [[ -n $vf_name ]] || return 1
vf_netdev_path=${vf_dev_base_path}${vf_name}
debug_print "Fetching VF device info for: $vf_netdev_path"
vf_ip_link_json=$(ip -j link show $mlnx_dev_name | jq -r .[0].vfinfo_list[$vf_index]) && [[ -n $vf_ip_link_json ]] || return 1
vf_adminstate_flags=$(( $(cat "$vf_netdev_path"/flags) & 1 )) && [[ -n $vf_adminstate_flags ]] || return 1
vf_adminstate=$([[ $vf_adminstate_flags -eq 1 ]] && echo "up" || echo "down")
vf_mac=$(cat "$vf_netdev_path"/address) && [[ -n $vf_mac ]] || return 1
vf_admin_mac=$(echo ${vf_ip_link_json} | jq -r .address) && [[ -n $vf_admin_mac ]] || return 1
vf_pci_addr=$(basename $(readlink "$vf_netdev_path"/device)) && [[ -n $vf_pci_addr ]] || return 1
vf_mtu_val=$(cat "$vf_netdev_path"/mtu) && [[ -n $vf_mtu_val ]] || return 1
if [ "$mlnx_dev_type" == "ib" ]; then
vf_guid=$(echo ${vf_ip_link_json} | jq -r '."port guid"') && [[ -n $vf_guid ]] || return 1
else
vf_guid="-"
fi
vf_record="$mlnx_dev_pci $vf_pci_addr $mlnx_dev_name $vf_name $mlnx_dev_type $vf_index $vf_adminstate $vf_mac $vf_admin_mac $vf_mtu_val $vf_guid"
debug_print "Storing VF record [${vf_record_idx}]: $vf_record"
mlx_vfs_arr[$vf_record_idx]="$vf_record"
# Example:
# pf_pci_addr vf_pci_addr mlnx_dev_name vf_name mlnx_dev_type vf_index vf_adminstate vf_mac vf_admin_mac vf_mtu_val vf_guid
# 0000:08:00.0 0000:08:00.2 eth2 eth6 eth 0 down 2e:20:07:8a:7f:7c a1:01:cc:dd:ee:ff 1500 50:25:e1:32:af:a2:b8:a0
vf_record_idx=$((vf_record_idx+1))
done
num_mlx_devices=$(($num_mlx_devices-1))
done
}
function find_switchdev_representors() {
debug_print "Function: ${FUNCNAME[0]}"
num_mlx_devices=${mlx_dev_record_idx-1}
timestamp_print "Query representors info from [${num_mlx_devices}] devices"
while [ ${num_mlx_devices} -gt 0 ]; do
declare -a mlx_dev_info=(${mlx_devs_arr[$((num_mlx_devices-1))]})
# pci_addr dev_type dev_name dev_adminstate dev_mtu pf_numvfs dev_guid eswitch_mode
# [0] [1] [2] [3] [4] [5] [6] [7]
mlnx_dev_pci=${mlx_dev_info[0]}
mlnx_dev_name=${mlx_dev_info[2]}
mlnx_dev_numvfs=${mlx_dev_info[5]}
mlnx_dev_eswitch_mode=${mlx_dev_info[7]}
if [ "${mlnx_dev_eswitch_mode}" != "switchdev" ]; then
debug_print "Device ${mlnx_dev_name} is not in switchdev mode, skipping"
num_mlx_devices=$(($num_mlx_devices-1))
continue
fi
regex="^p([0-9]+)$"
mlnx_dev_phys_port_name=$(cat /sys/class/net/"${mlnx_dev_name}"/phys_port_name 2>/dev/null)
if [[ "$mlnx_dev_phys_port_name" =~ $regex ]]; then
mlnx_dev_phys_port_num="${BASH_REMATCH[1]}"
else
debug_print "Device ${mlnx_dev_name} is not a PF, skipping"
num_mlx_devices=$(($num_mlx_devices-1))
continue
fi
mlnx_dev_phys_switch_id=$(cat /sys/class/net/"${mlnx_dev_name}"/phys_switch_id 2>/dev/null)
debug_print "Device phys port num ${mlnx_dev_phys_port_num} check"
debug_print "Device phys port name ${mlnx_dev_phys_port_name} check"
if [ "${mlnx_dev_numvfs}" == "0" ]; then
debug_print "Device ${mlnx_dev_name} does not have open VFs, skipping"
num_mlx_devices=$(($num_mlx_devices-1))
continue
fi
debug_print "Fetching [$mlnx_dev_numvfs] representors info for PCI device: ${mlnx_dev_pci} ($mlnx_dev_name)"
for netdev_path in /sys/class/net/"${mlnx_dev_name}"/subsystem/*; do
dev_phys_port_name=$(cat "${netdev_path}"/phys_port_name 2>/dev/null)
regex="^pf([0-9]+)vf([0-9]+)$"
# Use regex to parse the string and extract numbers
if [[ "$dev_phys_port_name" =~ $regex ]]; then
dev_pf_port_number="${BASH_REMATCH[1]}"
dev_vf_id_number="${BASH_REMATCH[2]}"
else
debug_print "Device ${netdev_path} is not a switchdev representor, skipping"
continue
fi
if [ "${mlnx_dev_phys_switch_id}" != "$(cat "${netdev_path}"/phys_switch_id 2>/dev/null)" ]; then
debug_print "Physical switch id of device ${netdev_path} does not match PF ${mlnx_dev_name}, skipping"
continue
fi
if [ "${dev_pf_port_number}" != "${mlnx_dev_phys_port_num}" ]; then
debug_print "Switchdev representor ${netdev_path} does not belong to this PF ${mlnx_dev_name}"
continue
fi
representor_name=$(basename "$netdev_path") && [[ -n $representor_name ]] || return 1
representor_adminstate_flags=$(( $(cat "$netdev_path"/flags) & 1 )) && [[ -n $representor_adminstate_flags ]] || return 1
representor_adminstate=$([[ $representor_adminstate_flags -eq 1 ]] && echo "up" || echo "down")
representor_mtu_val=$(cat "$netdev_path"/mtu) && [[ -n $representor_mtu_val ]] || return 1
representor_record="$mlnx_dev_phys_switch_id $mlnx_dev_phys_port_num $dev_vf_id_number $representor_name $representor_adminstate $representor_mtu_val"
debug_print "Storing switchdev representor record [${representor_record_idx}]: $representor_record"
switchdev_representors_arr[$representor_record_idx]="$representor_record"
# Example:
# pf_phys_switch_id pf_port_num vf_id representor_name representor_adminstate representor_mtu_val
# 8a45730003da341c 1 3 enp3s1f1npf1vf3 up 1500
representor_record_idx=$((representor_record_idx+1))
done
num_mlx_devices=$(($num_mlx_devices-1))
done
}
function restore_sriov_config() {
debug_print "Function: ${FUNCNAME[0]}"
if [ $found_sriov_conf -eq 0 ]; then
debug_print "SR-IOV config not found"
return 0
fi
num_mlx_devices=${mlx_dev_record_idx-1}
debug_print "Query VFs info from [${num_mlx_devices}] devices ($vf_record_idx VFs)"
while [ ${num_mlx_devices} -gt 0 ]; do
declare -a mlx_dev_info=(${mlx_devs_arr[$((num_mlx_devices-1))]})
# pci_addr dev_type dev_name dev_adminstate dev_mtu pf_numvfs dev_guid (For IB only) eswitch_mode
# [0] [1] [2] [3] [4] [5] [6] [7]
pf_pci_addr=${mlx_dev_info[0]}
pf_type=${mlx_dev_info[1]}
pf_old_name=${mlx_dev_info[2]}
pf_oper_state=${mlx_dev_info[3]}
pf_mtu=${mlx_dev_info[4]}
pf_numvfs=${mlx_dev_info[5]}
pf_eswitch_mode=${mlx_dev_info[7]}
if [ "${pf_numvfs}" == "0" ]; then
num_mlx_devices=$(($num_mlx_devices-1))
continue
fi
pf_pci_dev_path="/sys/bus/pci/devices/${pf_pci_addr}"
pf_new_dev_name=$(ls "$pf_pci_dev_path/net/" | head -n 1)
pf_new_netdev_path="${pf_pci_dev_path}/net/${pf_new_dev_name}"
timestamp_print "Restoring SR-IOV config for device: $pf_pci_addr (VFs=$pf_numvfs) netdev name: ${pf_new_dev_name}"
# To support the old kernel versions, we need to follow the recommended way of creating switchdev VFs
# 1) Set the NIC in legacy mode
# 2) Create the required amount of VFs
# 3) Unbind all of the VFs
# 4) Set the NIC in switchdev mode
if [ "${pf_eswitch_mode}" == "switchdev" ]; then
exec_cmd "devlink dev eswitch set pci/$pf_pci_addr mode legacy"
fi
exec_cmd "ip link set dev ${pf_new_dev_name} $pf_oper_state"
# Permission denied via sysfs
exec_cmd "echo ${pf_numvfs} >> ${pf_pci_dev_path}/sriov_numvfs"
for vf_record in $(seq 0 1 $((vf_record_idx-1))); do
declare -a mlx_vf_info=(${mlx_vfs_arr[$vf_record]})
vf_parent_pci_addr=${mlx_vf_info[0]}
debug_print "Inspecting VF entry: ${mlx_vf_info[@]}"
if [ "${vf_parent_pci_addr}" == "${pf_pci_addr}" ]; then
# pf_pci_addr vf_pci_addr dev_name vf_name mlnx_dev_type vf_index vf_adminstate vf_mac vf_admin_mac vf_mtu_val vf_guid
# [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]
vf_pci_addr=${mlx_vf_info[1]}
vf_name=${mlx_vf_info[3]}
vf_type=${mlx_vf_info[4]}
vf_index=${mlx_vf_info[5]}
vf_adminstate=${mlx_vf_info[6]}
vf_mac=${mlx_vf_info[7]}
vf_admin_mac=${mlx_vf_info[8]}
vf_mtu=${mlx_vf_info[9]}
vf_guid=${mlx_vf_info[10]}
timestamp_print "Restoring VF configuration for device: $vf_pci_addr"
vf_pci_dev_path="/sys/bus/pci/devices/$vf_pci_addr"
vf_new_dev_name=$(ls "$vf_pci_dev_path"/net/)
vf_new_netdev_path="${vf_pci_dev_path}/net/${vf_new_dev_name}"
if [ "${vf_type}" == "ib" ]; then
if [ "$vf_guid" != "00:00:00:00:00:00:00:00" ]; then
# Do not set invalid GUID
exec_cmd "ip link set $pf_new_dev_name vf $vf_index port_guid $vf_guid"
exec_cmd "ip link set $pf_new_dev_name vf $vf_index node_guid $vf_guid"
else
debug_print "VF GUID not set (00:00:00:00:00:00:00:00), skipping"
fi
else
exec_cmd "ip link set ${vf_new_dev_name} address ${vf_mac}"
exec_cmd "ip link set dev ${pf_new_dev_name} vf ${vf_index} mac ${vf_admin_mac}"
# Permission denied via sysfs
fi
# Driver rebind VF
exec_cmd "echo ${vf_pci_addr} > ${DRIVER_PATH}/unbind"
# As per the comment above, we need to set the NIC in switchdev mode first before binding back the VFs
if [ "${pf_eswitch_mode}" == "switchdev" ]; then
continue
fi
exec_cmd "echo ${vf_pci_addr} > ${DRIVER_PATH}/bind"
sleep ${BIND_DELAY_SEC}
exec_cmd "echo $vf_mtu > $vf_new_netdev_path/mtu"
exec_cmd "ip link set dev ${vf_new_dev_name} $vf_adminstate"
# Permission denied via sysfs
fi
done
# Set the PF in switchdev mode and rebind its VFs to the driver
if [ "${pf_eswitch_mode}" == "switchdev" ]; then
exec_cmd "devlink dev eswitch set pci/$pf_pci_addr mode switchdev"
for vf_record in $(seq 0 1 $((vf_record_idx-1))); do
declare -a mlx_vf_info=(${mlx_vfs_arr[$vf_record]})
vf_parent_pci_addr=${mlx_vf_info[0]}
debug_print "Inspecting VF entry: ${mlx_vf_info[@]}"
if [ "${vf_parent_pci_addr}" == "${pf_pci_addr}" ]; then
# pf_pci_addr vf_pci_addr dev_name vf_name mlnx_dev_type vf_index vf_adminstate vf_mac vf_admin_mac vf_mtu_val vf_guid
# [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]
vf_pci_addr=${mlx_vf_info[1]}
vf_adminstate=${mlx_vf_info[6]}
vf_mtu=${mlx_vf_info[9]}
timestamp_print "Restoring VF configuration for switchdev device: $vf_pci_addr"
exec_cmd "echo ${vf_pci_addr} > ${DRIVER_PATH}/bind"
sleep ${BIND_DELAY_SEC}
vf_pci_dev_path="/sys/bus/pci/devices/$vf_pci_addr"
vf_new_dev_name=$(ls "$vf_pci_dev_path"/net/)
vf_new_netdev_path="${vf_pci_dev_path}/net/${vf_new_dev_name}"
exec_cmd "echo $vf_mtu > $vf_new_netdev_path/mtu"
exec_cmd "ip link set dev ${vf_new_dev_name} $vf_adminstate"
# Permission denied via sysfs
fi
done
fi
exec_cmd "echo $pf_mtu > $pf_new_netdev_path/mtu"
num_mlx_devices=$(($num_mlx_devices-1))
done
for representor_record in $(seq 0 1 $((representor_record_idx-1))); do
declare -a representor_info=(${switchdev_representors_arr[$representor_record]})
debug_print "Inspecting switchdev representor entry: ${representor_info[@]}"
# pf_phys_switch_id pf_port_num vf_id representor_name representor_adminstate representor_mtu_val
# [0] [1] [2] [3] [4] [5]
pf_phys_switch_id=${representor_info[0]}
pf_port_num=${representor_info[1]}
vf_id=${representor_info[2]}
representor_name=${representor_info[3]}
representor_adminstate=${representor_info[4]}
representor_mtu_val=${representor_info[5]}
mlnx_dev_phys_switch_id=$(cat /sys/class/net/"${mlnx_dev_name}"/phys_switch_id 2>/dev/null)
for netdev_path in /sys/class/net/*; do
if [ "${pf_phys_switch_id}" != "$(cat "${netdev_path}"/phys_switch_id 2>/dev/null)" ]; then
debug_print "Physical switch id of device ${netdev_path} does not match the record, skipping"
continue
else
debug_print "Physical switch id of device ${netdev_path} matches the record"
fi
dev_phys_port_name=$(cat "${netdev_path}"/phys_port_name 2>/dev/null)
regex="^pf([0-9]+)vf([0-9]+)$"
# Use regex to parse the string and extract numbers
if [[ "$dev_phys_port_name" =~ $regex ]]; then
dev_pf_port_number="${BASH_REMATCH[1]}"
dev_vf_id_number="${BASH_REMATCH[2]}"
else
debug_print "Device ${netdev_path} is not a switchdev representor, skipping"
continue
fi
if [ "${dev_pf_port_number}" != "${pf_port_num}" ]; then
debug_print "Switchdev representor ${netdev_path} does not belong to this port ${pf_port_num}"
continue
fi
if [ "${dev_vf_id_number}" != "${vf_id}" ]; then
debug_print "Switchdev representor ${netdev_path} does not belong to this vf id ${vf_id}"
continue
fi
debug_print "Switchdev representor ${netdev_path} belongs to this vf id ${vf_id}, setting parameters"
representor_new_name=$(basename "$netdev_path") && [[ -n $representor_new_name ]]
exec_cmd "ip link set dev ${representor_new_name} name ${representor_name}"
exec_cmd "ip link set dev ${representor_name} mtu ${representor_mtu_val}"
exec_cmd "ip link set dev ${representor_name} ${representor_adminstate}"
break
done
done
}
function store_devices_conf() {
debug_print "Function: ${FUNCNAME[0]}"
mlx_dev_record_idx=0
vf_record_idx=0
representor_record_idx=0
found_sriov_conf=0
if ${mlx5_core_loaded}; then
find_mlx_devs
find_mlx_vfs
find_switchdev_representors
else
debug_print "Driver not loaded, skipped store netdev conf info"
fi
}
function check_nvme_modules() {
debug_print "Function: ${FUNCNAME[0]}"
if [ -e /sys/module/nvme ]; then
if ! check_loaded_kmod_srcver_vs_modinfo nvme; then
timestamp_print "warning - nvme kernel module currently loaded does not match module from container"
fi
fi
if [ -e /sys/module/nvme-rdma ]; then