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#!/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
speeds_str=$(ethtool "$dev" | \
# Snip everything before the link modes section.
sed -n '/'"$mode"':/,$p' | \
# Quit processing the rest at the start of the next section.
# When checking, skip the header of this section (hence the 2,).
sed -n '2,${/^[\t][^ \t]/q};p' | \
# Drop the section header of the current section.
cut -d':' -f2)
local -a speeds_arr=($speeds_str)
if [[ $with_mode -eq 0 ]]; then
for ((i=0; i<${#speeds_arr[@]}; i++)); do
speeds_arr[$i]=${speeds_arr[$i]%base*}
done
fi
echo ${speeds_arr[@]}
}
common_speeds_get()
{
dev1=$1; shift
dev2=$1; shift
with_mode=$1; shift
adver=$1; shift
local -a dev1_speeds=($(dev_speeds_get $dev1 $with_mode $adver))
local -a dev2_speeds=($(dev_speeds_get $dev2 $with_mode $adver))
comm -12 \
<(printf '%s\n' "${dev1_speeds[@]}" | sort -u) \
<(printf '%s\n' "${dev2_speeds[@]}" | sort -u)
}
different_speeds_get()
{
local dev1=$1; shift
local dev2=$1; shift
local with_mode=$1; shift
local adver=$1; shift
local -a speeds_arr
speeds_arr=($(common_speeds_get $dev1 $dev2 $with_mode $adver))
if [[ ${#speeds_arr[@]} < 2 ]]; then
check_err 1 "cannot check different speeds. There are not enough speeds"
fi
echo ${speeds_arr[0]} ${speeds_arr[1]}
}
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