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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test is for checking GRE GSO.
ret=0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
# all tests in this script. Can be overridden with -t option
TESTS="gre_gso"
VERBOSE=0
PAUSE_ON_FAIL=no
PAUSE=no
IP="ip -netns ns1"
NS_EXEC="ip netns exec ns1"
TMPFILE=`mktemp`
PID=
log_test()
{
local rc=$1
local expected=$2
local msg="$3"
if [ ${rc} -eq ${expected} ]; then
printf " TEST: %-60s [ OK ]\n" "${msg}"
nsuccess=$((nsuccess+1))
else
ret=1
nfail=$((nfail+1))
printf " TEST: %-60s [FAIL]\n" "${msg}"
if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
read a
[ "$a" = "q" ] && exit 1
fi
fi
if [ "${PAUSE}" = "yes" ]; then
echo
echo "hit enter to continue, 'q' to quit"
read a
[ "$a" = "q" ] && exit 1
fi
}
setup()
{
set -e
ip netns add ns1
ip netns set ns1 auto
$IP link set dev lo up
ip link add veth0 type veth peer name veth1
ip link set veth0 up
ip link set veth1 netns ns1
$IP link set veth1 name veth0
$IP link set veth0 up
dd if=/dev/urandom of=$TMPFILE bs=1024 count=2048 &>/dev/null
set +e
}
cleanup()
{
rm -rf $TMPFILE
[ -n "$PID" ] && kill $PID
ip link del dev gre1 &> /dev/null
ip link del dev veth0 &> /dev/null
ip netns del ns1
}
get_linklocal()
{
local dev=$1
local ns=$2
local addr
[ -n "$ns" ] && ns="-netns $ns"
addr=$(ip -6 -br $ns addr show dev ${dev} | \
awk '{
for (i = 3; i <= NF; ++i) {
if ($i ~ /^fe80/)
print $i
}
}'
)
addr=${addr/\/*}
[ -z "$addr" ] && return 1
echo $addr
return 0
}
gre_create_tun()
{
local a1=$1
local a2=$2
local mode
[[ $a1 =~ ^[0-9.]*$ ]] && mode=gre || mode=ip6gre
ip tunnel add gre1 mode $mode local $a1 remote $a2 dev veth0
ip link set gre1 up
$IP tunnel add gre1 mode $mode local $a2 remote $a1 dev veth0
$IP link set gre1 up
}
gre_gst_test_checks()
{
local name=$1
local addr=$2
local proto=$3
[ "$proto" == 6 ] && addr="[$addr]"
$NS_EXEC socat - tcp${proto}-listen:$port,reuseaddr,fork >/dev/null &
PID=$!
while ! $NS_EXEC ss -ltn | grep -q $port; do ((i++)); sleep 0.01; done
cat $TMPFILE | timeout 1 socat -u STDIN TCP:$addr:$port
log_test $? 0 "$name - copy file w/ TSO"
ethtool -K veth0 tso off
cat $TMPFILE | timeout 1 socat -u STDIN TCP:$addr:$port
log_test $? 0 "$name - copy file w/ GSO"
ethtool -K veth0 tso on
kill $PID
PID=
}
gre6_gso_test()
{
local port=7777
setup
a1=$(get_linklocal veth0)
a2=$(get_linklocal veth0 ns1)
gre_create_tun $a1 $a2
ip addr add 172.16.2.1/24 dev gre1
$IP addr add 172.16.2.2/24 dev gre1
ip -6 addr add 2001:db8:1::1/64 dev gre1 nodad
$IP -6 addr add 2001:db8:1::2/64 dev gre1 nodad
sleep 2
gre_gst_test_checks GREv6/v4 172.16.2.2 4
gre_gst_test_checks GREv6/v6 2001:db8:1::2 6
cleanup
}
gre_gso_test()
{
gre6_gso_test
}
################################################################################
# usage
usage()
{
cat <<EOF
usage: ${0##*/} OPTS
-t <test> Test(s) to run (default: all)
(options: $TESTS)
-p Pause on fail
-P Pause after each test before cleanup
-v verbose mode (show commands and output)
EOF
}
################################################################################
# main
while getopts :t:pPhv o
do
case $o in
t) TESTS=$OPTARG;;
p) PAUSE_ON_FAIL=yes;;
P) PAUSE=yes;;
v) VERBOSE=$(($VERBOSE + 1));;
h) usage; exit 0;;
*) usage; exit 1;;
esac
done
PEER_CMD="ip netns exec ${PEER_NS}"
# make sure we don't pause twice
[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
if [ "$(id -u)" -ne 0 ];then
echo "SKIP: Need root privileges"
exit $ksft_skip;
fi
if [ ! -x "$(command -v ip)" ]; then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
if [ ! -x "$(command -v socat)" ]; then
echo "SKIP: Could not run test without socat tool"
exit $ksft_skip
fi
# start clean
cleanup &> /dev/null
for t in $TESTS
do
case $t in
gre_gso) gre_gso_test;;
help) echo "Test names: $TESTS"; exit 0;;
esac
done
if [ "$TESTS" != "none" ]; then
printf "\nTests passed: %3d\n" ${nsuccess}
printf "Tests failed: %3d\n" ${nfail}
fi
exit $ret
|
