Commit 1da07e5d authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

selftests: ethtool: add a netdevsim FEC test 



Test FEC settings, iterate over configs.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0d7f76dc

tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh

+4 −1
Original line number Diff line number Diff line
@@ -24,8 +24,11 @@ function check { 
    local code=$1

    local str=$2

    local exp_str=$3

    local exp_fail=$4



    if [ $code -ne 0 ]; then

    [ -z "$exp_fail" ] && cop="-ne" || cop="-eq"



    if [ $code $cop 0 ]; then

	((num_errors++))

	return

    fi

tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh

0 → 100755
+110 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-only



source ethtool-common.sh



NSIM_NETDEV=$(make_netdev)

[ a$ETHTOOL == a ] && ETHTOOL=ethtool



set -o pipefail



# netdevsim starts out with None/None

s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

check $? "$s" "Configured FEC encodings: None

Active FEC encoding: None"



# Test Auto

$ETHTOOL --set-fec $NSIM_NETDEV encoding auto

check $?

s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

check $? "$s" "Configured FEC encodings: Auto

Active FEC encoding: Off"



# Test case in-sensitivity

for o in off Off OFF; do

    $ETHTOOL --set-fec $NSIM_NETDEV encoding $o

    check $?

    s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

    check $? "$s" "Configured FEC encodings: Off

Active FEC encoding: Off"

done



for o in BaseR baser BAser; do

    $ETHTOOL --set-fec $NSIM_NETDEV encoding $o

    check $?

    s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

    check $? "$s" "Configured FEC encodings: BaseR

Active FEC encoding: BaseR"

done



for o in llrs rs; do

    $ETHTOOL --set-fec $NSIM_NETDEV encoding $o

    check $?

    s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

    check $? "$s" "Configured FEC encodings: ${o^^}

Active FEC encoding: ${o^^}"

done



# Test mutliple bits

$ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs

check $?

s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

check $? "$s" "Configured FEC encodings: RS LLRS

Active FEC encoding: LLRS"



$ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto

check $?

s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)

check $? "$s" "Configured FEC encodings: Auto Off RS

Active FEC encoding: RS"



# Make sure other link modes are rejected

$ETHTOOL --set-fec $NSIM_NETDEV encoding FIBRE 2>/dev/null

check $? '' '' 1



$ETHTOOL --set-fec $NSIM_NETDEV encoding bla-bla-bla 2>/dev/null

check $? '' '' 1



# Try JSON

$ETHTOOL --json --show-fec $NSIM_NETDEV | jq empty >>/dev/null 2>&1

if [ $? -eq 0 ]; then

    $ETHTOOL --set-fec $NSIM_NETDEV encoding auto

    check $?



    s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')

    check $? "$s" '"Auto"'

    s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')

    check $? "$s" '"Off"'



    $ETHTOOL --set-fec $NSIM_NETDEV encoding auto RS

    check $?



    s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')

    check $? "$s" '"Auto"

"RS"'

    s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')

    check $? "$s" '"RS"'

fi



# Test error injection

echo 11 > $NSIM_DEV_DFS/ethtool/get_err



$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1

check $? '' '' 1



echo 0 > $NSIM_DEV_DFS/ethtool/get_err

echo 11 > $NSIM_DEV_DFS/ethtool/set_err



$ETHTOOL --show-fec $NSIM_NETDEV  >>/dev/null 2>&1

check $?



$ETHTOOL --set-fec $NSIM_NETDEV encoding RS 2>/dev/null

check $? '' '' 1



if [ $num_errors -eq 0 ]; then

    echo "PASSED all $((num_passes)) checks"

    exit 0

else

    echo "FAILED $num_errors/$((num_errors+num_passes)) checks"

    exit 1

fi