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Message-Id: <20231222-upstream-net-next-20231221-mptcp-currestab-v1-3-c1eb73d6b2b2@kernel.org>
Date: Fri, 22 Dec 2023 13:47:24 +0100
From: Matthieu Baerts <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Shuah Khan <shuah@...nel.org>, Geliang Tang <geliang.tang@...ux.dev>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-kselftest@...r.kernel.org, Matthieu Baerts <matttbe@...nel.org>
Subject: [PATCH net-next 3/4] selftests: mptcp: join: check CURRESTAB
counters
From: Geliang Tang <geliang.tang@...ux.dev>
This patch adds a new helper chk_cestab_nr() to check the current
established connections counter MIB_CURRESTAB. Set the newly added
variables cestab_ns1 and cestab_ns2 to indicate how many connections
are expected in ns1 or ns2.
Invoke check_cestab() to check the counter during the connection in
do_transfer() and invoke chk_cestab_nr() to re-check it when the
connection closed. These checks are embedded in add_tests().
Signed-off-by: Geliang Tang <geliang.tang@...ux.dev>
Acked-by: Paolo Abeni <pabeni@...hat.com>
Reviewed-by: Matthieu Baerts <matttbe@...nel.org>
Signed-off-by: Matthieu Baerts <matttbe@...nel.org>
---
tools/testing/selftests/net/mptcp/mptcp_join.sh | 46 ++++++++++++++++++++++---
1 file changed, 41 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 87590a43b50d..3a5b63026191 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -56,6 +56,8 @@ unset FAILING_LINKS
unset test_linkfail
unset addr_nr_ns1
unset addr_nr_ns2
+unset cestab_ns1
+unset cestab_ns2
unset sflags
unset fastclose
unset fullmesh
@@ -976,6 +978,34 @@ pm_nl_set_endpoint()
fi
}
+chk_cestab_nr()
+{
+ local ns=$1
+ local cestab=$2
+ local count
+
+ print_check "cestab $cestab"
+ count=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPCurrEstab")
+ if [ -z "$count" ]; then
+ print_skip
+ elif [ "$count" != "$cestab" ]; then
+ fail_test "got $count current establish[s] expected $cestab"
+ else
+ print_ok
+ fi
+}
+
+# $1 namespace 1, $2 namespace 2
+check_cestab()
+{
+ if [ -n "${cestab_ns1}" ]; then
+ chk_cestab_nr ${1} ${cestab_ns1}
+ fi
+ if [ -n "${cestab_ns2}" ]; then
+ chk_cestab_nr ${2} ${cestab_ns2}
+ fi
+}
+
do_transfer()
{
local listener_ns="$1"
@@ -1089,6 +1119,7 @@ do_transfer()
local cpid=$!
pm_nl_set_endpoint $listener_ns $connector_ns $connect_addr
+ check_cestab $listener_ns $connector_ns
wait $cpid
local retc=$?
@@ -2477,47 +2508,52 @@ add_tests()
if reset "add single subflow"; then
pm_nl_set_limits $ns1 0 1
pm_nl_set_limits $ns2 0 1
- addr_nr_ns2=1 speed=slow \
+ addr_nr_ns2=1 speed=slow cestab_ns2=1 \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 1 1 1
+ chk_cestab_nr $ns2 0
fi
# add signal address
if reset "add signal address"; then
pm_nl_set_limits $ns1 0 1
pm_nl_set_limits $ns2 1 1
- addr_nr_ns1=1 speed=slow \
+ addr_nr_ns1=1 speed=slow cestab_ns1=1 \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 1 1 1
chk_add_nr 1 1
+ chk_cestab_nr $ns1 0
fi
# add multiple subflows
if reset "add multiple subflows"; then
pm_nl_set_limits $ns1 0 2
pm_nl_set_limits $ns2 0 2
- addr_nr_ns2=2 speed=slow \
+ addr_nr_ns2=2 speed=slow cestab_ns2=1 \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 2 2 2
+ chk_cestab_nr $ns2 0
fi
# add multiple subflows IPv6
if reset "add multiple subflows IPv6"; then
pm_nl_set_limits $ns1 0 2
pm_nl_set_limits $ns2 0 2
- addr_nr_ns2=2 speed=slow \
+ addr_nr_ns2=2 speed=slow cestab_ns2=1 \
run_tests $ns1 $ns2 dead:beef:1::1
chk_join_nr 2 2 2
+ chk_cestab_nr $ns2 0
fi
# add multiple addresses IPv6
if reset "add multiple addresses IPv6"; then
pm_nl_set_limits $ns1 0 2
pm_nl_set_limits $ns2 2 2
- addr_nr_ns1=2 speed=slow \
+ addr_nr_ns1=2 speed=slow cestab_ns1=1 \
run_tests $ns1 $ns2 dead:beef:1::1
chk_join_nr 2 2 2
chk_add_nr 2 2
+ chk_cestab_nr $ns1 0
fi
}
--
2.43.0
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