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selftests: ethtool: add a netdevsim FEC test

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Test FEC settings, iterate over configs.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2021-03-29 20:59:54 -07:00 committed by David S. Miller
parent 0d7f76dc11
commit 1da07e5db3
2 changed files with 114 additions and 1 deletions
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5
tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
View File

@ -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

110
tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh Executable file
View File

@ -0,0 +1,110 @@
#!/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