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selftests: mptcp: add chk_sublfow in diag.sh

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This patch aims to add chk_dump_subflow in diag.sh. The subflow's
info can be obtained through "ss -tin", then use the 'mptcp_diag'
to verify the token in subflow_info.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/524
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250502-net-next-mptcp-sft-inc-cover-v1-7-68eec95898fb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gang Yan
2025-05-02 14:29:27 +02:00
committed by Jakub Kicinski
parent c7ac7452df
commit 110f8f77fd
1 changed files with 32 additions and 0 deletions
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32
tools/testing/selftests/net/mptcp/diag.sh
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@@ -225,6 +225,37 @@ chk_dump_one()
fi
}
chk_dump_subflow()
{
local inet_diag_token
local subflow_line
local ss_output
local ss_token
local msg
ss_output=$(ss -tniN $ns)
subflow_line=$(echo "$ss_output" | \
grep -m1 -Eo '[0-9.]+:[0-9].+ +[0-9.]+:[0-9.]+')
ss_token=$(echo "$ss_output" | grep -m1 -Eo 'token:[^ ]+')
inet_diag_token=$(ip netns exec $ns ./mptcp_diag -s "$subflow_line" | \
grep -Eo 'token:[^ ]+')
msg="....chk dump_subflow"
mptcp_lib_print_title "$msg"
if [ -n "$ss_token" ] && [ "$ss_token" = "$inet_diag_token" ]; then
mptcp_lib_pr_ok
mptcp_lib_result_pass "${msg}"
else
mptcp_lib_pr_fail "expected $ss_token found $inet_diag_token"
mptcp_lib_result_fail "${msg}"
ret=${KSFT_FAIL}
fi
}
msk_info_get_value()
{
local port="${1}"
@@ -316,6 +347,7 @@ chk_msk_fallback_nr 0 "....chk no fallback"
chk_msk_inuse 2
chk_msk_cestab 2
chk_dump_one
chk_dump_subflow
flush_pids
chk_msk_inuse 0 "2->0"