#!/bin/bash# SPDX-License-Identifier: GPL-2.0 ############################################################################### Source library relative_path="${BASH_SOURCE%/*}"if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then	relative_path="."fi source "$relative_path/lib.sh" ############################################################################### Defines DEVLINK_DEV=$(devlink port show | grep "${NETIFS[p1]}" | \	      grep -v "${NETIFS[p1]}[0-9]" | cut -d" " -f1 | \	      rev | cut -d"/" -f2- | rev)if [ -z "$DEVLINK_DEV" ]; then	echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it"	exit 1fiif [[ "$(echo $DEVLINK_DEV | grep -c pci)" -eq 0 ]]; then	echo "SKIP: devlink device's bus is not PCI"	exit 1fi DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \		 -n | cut -d" " -f3) ############################################################################### Sanity checks devlink -j resource show "$DEVLINK_DEV" &> /dev/nullif [ $? -ne 0 ]; then	echo "SKIP: iproute2 too old, missing devlink resource support"	exit 1fi ############################################################################### Devlink helpers devlink_resource_names_to_path(){	local resource	local path="" 	for resource in "${@}"; do		if [ "$path" == "" ]; then			path="$resource"		else			path="${path}/$resource"		fi	done 	echo "$path"} devlink_resource_get(){	local name=$1	local resource_name=.[][\"$DEVLINK_DEV\"] 	resource_name="$resource_name | .[] | select (.name == \"$name\")" 	shift	for resource in "${@}"; do		resource_name="${resource_name} | .[\"resources\"][] | \			       select (.name == \"$resource\")"	done 	devlink -j resource show "$DEVLINK_DEV" | jq "$resource_name"} devlink_resource_size_get(){	local size=$(devlink_resource_get "$@" | jq '.["size_new"]') 	if [ "$size" == "null" ]; then		devlink_resource_get "$@" | jq '.["size"]'	else		echo "$size"	fi} devlink_resource_size_set(){	local new_size=$1	local path 	shift	path=$(devlink_resource_names_to_path "$@")	devlink resource set "$DEVLINK_DEV" path "$path" size "$new_size"	check_err $? "Failed setting path $path to size $size"} devlink_reload(){	local still_pending 	devlink dev reload "$DEVLINK_DEV" &> /dev/null	check_err $? "Failed reload" 	still_pending=$(devlink resource show "$DEVLINK_DEV" | \			grep -c "size_new")	check_err $still_pending "Failed reload - There are still unset sizes"}