@@ -25,6 +25,8 @@ capout=""
ns1=""
ns2=""
ksft_skip=4
+iptables="iptables"
+ip6tables="ip6tables"
timeout_poll=30
timeout_test=$((timeout_poll * 2 + 1))
capture=0
@@ -148,7 +150,11 @@ check_tools()
exit $ksft_skip
fi
- if ! iptables -V &> /dev/null; then
+ # Use the legacy version if available to support old kernel versions
+ if iptables-legacy -V &> /dev/null; then
+ iptables="iptables-legacy"
+ ip6tables="ip6tables-legacy"
+ elif ! iptables -V &> /dev/null; then
echo "SKIP: Could not run all tests without iptables tool"
exit $ksft_skip
fi
@@ -249,9 +255,9 @@ reset_with_add_addr_timeout()
reset "${1}" || return 1
- tables="iptables"
+ tables="${iptables}"
if [ $ip -eq 6 ]; then
- tables="ip6tables"
+ tables="${ip6tables}"
fi
ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
@@ -316,9 +322,9 @@ reset_with_fail()
local ip="${3:-4}"
local tables
- tables="iptables"
+ tables="${iptables}"
if [ $ip -eq 6 ]; then
- tables="ip6tables"
+ tables="${ip6tables}"
fi
ip netns exec $ns2 $tables \
@@ -709,7 +715,7 @@ filter_tcp_from()
local src="${2}"
local target="${3}"
- ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}"
+ ip netns exec "${ns}" ${iptables} -A INPUT -s "${src}" -p tcp -j "${target}"
}
do_transfer()
IPTables commands using 'iptables-nft' fail on old kernels, at least 5.15 because it doesn't see the default IPTables chains: $ iptables -L iptables/1.8.2 Failed to initialize nft: Protocol not supported As a first step before switching to NFTables, we can use iptables-legacy if available. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: 8d014eaa9254 ("selftests: mptcp: add ADD_ADDR timeout test case") Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-)