Just to avoid classical Bash pitfall where variables are accidentally overridden by other functions because the proper scope has not been defined.
That's also what is done in other MPTCP selftests scripts where all non local variables are defined at the beginning of the script and the others are defined with the "local" keyword.
Reviewed-by: Mat Martineau mathew.j.martineau@linux.intel.com Signed-off-by: Matthieu Baerts matthieu.baerts@tessares.net --- .../selftests/net/mptcp/mptcp_sockopt.sh | 51 +++++++++++-------- 1 file changed, 29 insertions(+), 22 deletions(-)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh index f74b237bcb32..1b70c0a304ce 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -22,6 +22,7 @@ add_mark_rules() local ns=$1 local m=$2
+ local t for t in iptables ip6tables; do # just to debug: check we have multiple subflows connection requests ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT @@ -36,6 +37,7 @@ add_mark_rules()
init() { + local netns for netns in "$ns1" "$ns2" "$ns_sbox";do ip netns add $netns || exit $ksft_skip ip -net $netns link set lo up @@ -44,6 +46,7 @@ init() ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0 done
+ local i for i in `seq 1 4`; do ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2" ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i @@ -73,6 +76,7 @@ init()
cleanup() { + local netns for netns in "$ns1" "$ns2" "$ns_sbox"; do ip netns del $netns done @@ -103,15 +107,17 @@ check_mark() local ns=$1 local af=$2
- tables=iptables + local tables=iptables
if [ $af -eq 6 ];then tables=ip6tables fi
+ local counters values counters=$(ip netns exec $ns $tables -v -L OUTPUT | grep DROP) values=${counters%DROP*}
+ local v for v in $values; do if [ $v -ne 0 ]; then echo "FAIL: got $tables $values in ns $ns , not 0 - not all expected packets marked" 1>&2 @@ -131,9 +137,9 @@ print_file_err()
check_transfer() { - in=$1 - out=$2 - what=$3 + local in=$1 + local out=$2 + local what=$3
cmp "$in" "$out" > /dev/null 2>&1 if [ $? -ne 0 ] ;then @@ -156,18 +162,18 @@ is_v6()
do_transfer() { - listener_ns="$1" - connector_ns="$2" - cl_proto="$3" - srv_proto="$4" - connect_addr="$5" + local listener_ns="$1" + local connector_ns="$2" + local cl_proto="$3" + local srv_proto="$4" + local connect_addr="$5"
- port=12001 + local port=12001
:> "$cout" :> "$sout"
- mptcp_connect="./mptcp_connect -r 20" + local mptcp_connect="./mptcp_connect -r 20"
local local_addr if is_v6 "${connect_addr}"; then @@ -180,7 +186,7 @@ do_transfer() ip netns exec ${listener_ns} \ $mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS,TCPINQ \ ${local_addr} < "$sin" > "$sout" & - spid=$! + local spid=$!
sleep 1
@@ -189,12 +195,12 @@ do_transfer() $mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS,TCPINQ \ $connect_addr < "$cin" > "$cout" &
- cpid=$! + local cpid=$!
wait $cpid - retc=$? + local retc=$? wait $spid - rets=$? + local rets=$?
if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then echo " client exit code $retc, server $rets" 1>&2 @@ -229,9 +235,9 @@ do_transfer()
make_file() { - name=$1 - who=$2 - size=$3 + local name=$1 + local who=$2 + local size=$3
dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" @@ -264,9 +270,9 @@ do_mptcp_sockopt_tests()
run_tests() { - listener_ns="$1" - connector_ns="$2" - connect_addr="$3" + local listener_ns="$1" + local connector_ns="$2" + local connect_addr="$3" local lret=0
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} @@ -282,7 +288,7 @@ run_tests() do_tcpinq_test() { ip netns exec "$ns_sbox" ./mptcp_inq "$@" - lret=$? + local lret=$? if [ $lret -ne 0 ];then ret=$lret echo "FAIL: mptcp_inq $@" 1>&2 @@ -297,6 +303,7 @@ do_tcpinq_tests() { local lret=0
+ local args for args in "-t tcp" "-r tcp"; do do_tcpinq_test $args lret=$?