Commit fbb7a1f8 authored by Antonio Cardace's avatar Antonio Cardace Committed by Jakub Kicinski
Browse files

selftests: add ring and coalesce selftests 



Add scripts to test ring and coalesce settings
of netdevsim.

Signed-off-by: default avatarAntonio Cardace <acardace@redhat.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 9e48ee80

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

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#!/bin/bash

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



source ethtool-common.sh



function get_value {

    local query="${SETTINGS_MAP[$1]}"



    echo $(ethtool -c $NSIM_NETDEV | \

        awk -F':' -v pattern="$query:" '$0 ~ pattern {gsub(/[ \t]/, "", $2); print $2}')

}



function update_current_settings {

    for key in ${!SETTINGS_MAP[@]}; do

        CURRENT_SETTINGS[$key]=$(get_value $key)

    done

    echo ${CURRENT_SETTINGS[@]}

}



if ! ethtool -h | grep -q coalesce; then

    echo "SKIP: No --coalesce support in ethtool"

    exit 4

fi



NSIM_NETDEV=$(make_netdev)



set -o pipefail



declare -A SETTINGS_MAP=(

    ["rx-frames-low"]="rx-frame-low"

    ["tx-frames-low"]="tx-frame-low"

    ["rx-frames-high"]="rx-frame-high"

    ["tx-frames-high"]="tx-frame-high"

    ["rx-usecs"]="rx-usecs"

    ["rx-frames"]="rx-frames"

    ["rx-usecs-irq"]="rx-usecs-irq"

    ["rx-frames-irq"]="rx-frames-irq"

    ["tx-usecs"]="tx-usecs"

    ["tx-frames"]="tx-frames"

    ["tx-usecs-irq"]="tx-usecs-irq"

    ["tx-frames-irq"]="tx-frames-irq"

    ["stats-block-usecs"]="stats-block-usecs"

    ["pkt-rate-low"]="pkt-rate-low"

    ["rx-usecs-low"]="rx-usecs-low"

    ["tx-usecs-low"]="tx-usecs-low"

    ["pkt-rate-high"]="pkt-rate-high"

    ["rx-usecs-high"]="rx-usecs-high"

    ["tx-usecs-high"]="tx-usecs-high"

    ["sample-interval"]="sample-interval"

)



declare -A CURRENT_SETTINGS=(

    ["rx-frames-low"]=""

    ["tx-frames-low"]=""

    ["rx-frames-high"]=""

    ["tx-frames-high"]=""

    ["rx-usecs"]=""

    ["rx-frames"]=""

    ["rx-usecs-irq"]=""

    ["rx-frames-irq"]=""

    ["tx-usecs"]=""

    ["tx-frames"]=""

    ["tx-usecs-irq"]=""

    ["tx-frames-irq"]=""

    ["stats-block-usecs"]=""

    ["pkt-rate-low"]=""

    ["rx-usecs-low"]=""

    ["tx-usecs-low"]=""

    ["pkt-rate-high"]=""

    ["rx-usecs-high"]=""

    ["tx-usecs-high"]=""

    ["sample-interval"]=""

)



declare -A EXPECTED_SETTINGS=(

    ["rx-frames-low"]=""

    ["tx-frames-low"]=""

    ["rx-frames-high"]=""

    ["tx-frames-high"]=""

    ["rx-usecs"]=""

    ["rx-frames"]=""

    ["rx-usecs-irq"]=""

    ["rx-frames-irq"]=""

    ["tx-usecs"]=""

    ["tx-frames"]=""

    ["tx-usecs-irq"]=""

    ["tx-frames-irq"]=""

    ["stats-block-usecs"]=""

    ["pkt-rate-low"]=""

    ["rx-usecs-low"]=""

    ["tx-usecs-low"]=""

    ["pkt-rate-high"]=""

    ["rx-usecs-high"]=""

    ["tx-usecs-high"]=""

    ["sample-interval"]=""

)



# populate the expected settings map

for key in ${!SETTINGS_MAP[@]}; do

    EXPECTED_SETTINGS[$key]=$(get_value $key)

done



# test

for key in ${!SETTINGS_MAP[@]}; do

    value=$((RANDOM % $((2**32-1))))



    ethtool -C $NSIM_NETDEV "$key" "$value"



    EXPECTED_SETTINGS[$key]="$value"

    expected=${EXPECTED_SETTINGS[@]}

    current=$(update_current_settings)



    check $? "$current" "$expected"

    set +x

done



# bool settings which ethtool displays on the same line

ethtool -C $NSIM_NETDEV adaptive-rx on

s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on  TX: off")

check $? "$s" ""



ethtool -C $NSIM_NETDEV adaptive-tx on

s=$(ethtool -c $NSIM_NETDEV | grep -q "Adaptive RX: on  TX: on")

check $? "$s" ""



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

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

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#!/bin/bash

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



source ethtool-common.sh



function get_value {

    local query="${SETTINGS_MAP[$1]}"



    echo $(ethtool -g $NSIM_NETDEV | \

        tail -n +$CURR_SETT_LINE | \

        awk -F':' -v pattern="$query:" '$0 ~ pattern {gsub(/[\t ]/, "", $2); print $2}')

}



function update_current_settings {

    for key in ${!SETTINGS_MAP[@]}; do

        CURRENT_SETTINGS[$key]=$(get_value $key)

    done

    echo ${CURRENT_SETTINGS[@]}

}



if ! ethtool -h | grep -q set-ring >/dev/null; then

    echo "SKIP: No --set-ring support in ethtool"

    exit 4

fi



NSIM_NETDEV=$(make_netdev)



set -o pipefail



declare -A SETTINGS_MAP=(

    ["rx"]="RX"

    ["rx-mini"]="RX Mini"

    ["rx-jumbo"]="RX Jumbo"

    ["tx"]="TX"

)



declare -A EXPECTED_SETTINGS=(

    ["rx"]=""

    ["rx-mini"]=""

    ["rx-jumbo"]=""

    ["tx"]=""

)



declare -A CURRENT_SETTINGS=(

    ["rx"]=""

    ["rx-mini"]=""

    ["rx-jumbo"]=""

    ["tx"]=""

)



MAX_VALUE=$((RANDOM % $((2**32-1))))

RING_MAX_LIST=$(ls $NSIM_DEV_DFS/ethtool/ring/)



for ring_max_entry in $RING_MAX_LIST; do

    echo $MAX_VALUE > $NSIM_DEV_DFS/ethtool/ring/$ring_max_entry

done



CURR_SETT_LINE=$(ethtool -g $NSIM_NETDEV | grep -i -m1 -n 'Current hardware settings' | cut -f1 -d:)



# populate the expected settings map

for key in ${!SETTINGS_MAP[@]}; do

    EXPECTED_SETTINGS[$key]=$(get_value $key)

done



# test

for key in ${!SETTINGS_MAP[@]}; do

    value=$((RANDOM % $MAX_VALUE))



    ethtool -G $NSIM_NETDEV "$key" "$value"



    EXPECTED_SETTINGS[$key]="$value"

    expected=${EXPECTED_SETTINGS[@]}

    current=$(update_current_settings)



    check $? "$current" "$expected"

    set +x

done



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