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selftests: mptcp: sockopt: save nstat infos

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Similar to the way nstat information is stored in mptcp_connect.sh
and mptcp_join.sh scripts, this patch adds a similar way for
mptcp_sockopt.sh and displays the nstat information when errors
occur.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250114-net-next-mptcp-st-more-debug-err-v1-2-2ffb16a6cf35@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2025-01-14 19:03:12 +01:00 committed by Jakub Kicinski
parent 894dae026b
commit 3257d4cb8d
1 changed files with 12 additions and 1 deletions
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13
tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
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@ -169,6 +169,11 @@ do_transfer()
cmsg+=",TCPINQ"
fi
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat -n
NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
nstat -n
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
@ -189,14 +194,20 @@ do_transfer()
wait $spid
local rets=$?
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat | grep Tcp > /tmp/${listener_ns}.out
NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
nstat | grep Tcp > /tmp/${connector_ns}.out
print_title "Transfer ${ip:2}"
if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
mptcp_lib_pr_fail "client exit code $retc, server $rets"
echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
cat /tmp/${listener_ns}.out
echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
cat /tmp/${connector_ns}.out
mptcp_lib_result_fail "transfer ${ip}"