1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4speeds_arr_get() 5{ 6 cmd='/ETHTOOL_LINK_MODE_[^[:space:]]*_BIT[[:space:]]+=[[:space:]]+/ \ 7 {sub(/,$/, "") \ 8 sub(/ETHTOOL_LINK_MODE_/,"") \ 9 sub(/_BIT/,"") \ 10 sub(/_Full/,"/Full") \ 11 sub(/_Half/,"/Half");\ 12 print "["$1"]="$3}' 13 14 awk "${cmd}" /usr/include/linux/ethtool.h 15} 16 17ethtool_set() 18{ 19 local cmd="$@" 20 local out=$(ethtool -s $cmd 2>&1 | wc -l) 21 22 check_err $out "error in configuration. $cmd" 23} 24 25dev_speeds_get() 26{ 27 local dev=$1; shift 28 local with_mode=$1; shift 29 local adver=$1; shift 30 local speeds_str 31 32 if (($adver)); then 33 mode="Advertised link modes" 34 else 35 mode="Supported link modes" 36 fi 37 38 speeds_str=$(ethtool "$dev" | \ 39 # Snip everything before the link modes section. 40 sed -n '/'"$mode"':/,$p' | \ 41 # Quit processing the rest at the start of the next section. 42 # When checking, skip the header of this section (hence the 2,). 43 sed -n '2,${/^[\t][^ \t]/q};p' | \ 44 # Drop the section header of the current section. 45 cut -d':' -f2) 46 47 local -a speeds_arr=($speeds_str) 48 if [[ $with_mode -eq 0 ]]; then 49 for ((i=0; i<${#speeds_arr[@]}; i++)); do 50 speeds_arr[$i]=${speeds_arr[$i]%base*} 51 done 52 fi 53 echo ${speeds_arr[@]} 54} 55 56common_speeds_get() 57{ 58 dev1=$1; shift 59 dev2=$1; shift 60 with_mode=$1; shift 61 adver=$1; shift 62 63 local -a dev1_speeds=($(dev_speeds_get $dev1 $with_mode $adver)) 64 local -a dev2_speeds=($(dev_speeds_get $dev2 $with_mode $adver)) 65 66 comm -12 \ 67 <(printf '%s\n' "${dev1_speeds[@]}" | sort -u) \ 68 <(printf '%s\n' "${dev2_speeds[@]}" | sort -u) 69} 70