tools/testing/selftests/drivers/net/hw/ethtool_lib.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/drivers/net/hw/ethtool_lib.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/drivers/net/hw/ethtool_lib.sh
Extension
.sh
Size
2815 bytes
Lines
121
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

speeds_arr_get()
{
	cmd='/ETHTOOL_LINK_MODE_[^[:space:]]*_BIT[[:space:]]+=[[:space:]]+/ \
		{sub(/,$/, "") \
		sub(/ETHTOOL_LINK_MODE_/,"") \
		sub(/_BIT/,"") \
		sub(/_Full/,"/Full") \
		sub(/_Half/,"/Half");\
		print "["$1"]="$3}'

	awk "${cmd}" /usr/include/linux/ethtool.h
}

ethtool_set()
{
	local cmd="$@"
	local out=$(ethtool -s $cmd 2>&1 | wc -l)

	check_err $out "error in configuration. $cmd"
}

dev_linkmodes_params_get()
{
	local dev=$1; shift
	local adver=$1; shift
	local -a linkmodes_params
	local param_count
	local arr

	if (($adver)); then
		mode="Advertised link modes"
	else
		mode="Supported link modes"
	fi

	local -a dev_linkmodes=($(dev_speeds_get $dev 1 $adver))
	for ((i=0; i<${#dev_linkmodes[@]}; i++)); do
		linkmodes_params[$i]=$(echo -e "${dev_linkmodes[$i]}" | \
			# Replaces all non numbers with spaces
			sed -e 's/[^0-9]/ /g' | \
			# Squeeze spaces in sequence to 1 space
			tr -s ' ')
		# Count how many numbers were found in the linkmode
		param_count=$(echo "${linkmodes_params[$i]}" | wc -w)
		if [[ $param_count -eq 1 ]]; then
			linkmodes_params[$i]="${linkmodes_params[$i]} 1"
		elif [[ $param_count -ge 3 ]]; then
			arr=(${linkmodes_params[$i]})
			# Take only first two params
			linkmodes_params[$i]=$(echo "${arr[@]:0:2}")
		fi
	done
	echo ${linkmodes_params[@]}
}

dev_speeds_get()
{
	local dev=$1; shift
	local with_mode=$1; shift
	local adver=$1; shift
	local speeds_str

	if (($adver)); then
		mode="Advertised link modes"
	else
		mode="Supported link modes"
	fi

Annotation

Implementation Notes