linux-kernel - [PATCH net-next 02/15] selftests: mptcp: connect: add dedicated port counter

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Date: Fri, 08 Mar 2024 23:10:09 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, Geliang Tang <tanggeliang@...inos.cn>, 
 "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>
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Subject: [PATCH net-next 02/15] selftests: mptcp: connect: add dedicated
 port counter

From: Geliang Tang <tanggeliang@...inos.cn>

This patch adds a new dedicated counter 'port' instead of TEST_COUNT
to increase port numbers in mptcp_connect.sh.

This can avoid outputting discontinuous test counters.

Signed-off-by: Geliang Tang <tanggeliang@...inos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/mptcp/mptcp_connect.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index 679e366c8f6b..ab3f52434753 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -33,6 +33,7 @@ do_tcp=0
 checksum=false
 filesize=0
 connect_per_transfer=1
+port=$((10000 - 1))

 if [ $tc_loss -eq 100 ];then
 	tc_loss=1%
@@ -313,8 +314,7 @@ do_transfer()
 	local local_addr="$6"
 	local extra_args="$7"

-	local port
-	port=$((10000+TEST_COUNT))
+	port=$((port + 1))
 	TEST_COUNT=$((TEST_COUNT+1))

 	if [ "$rcvbuf" -gt 0 ]; then
@@ -710,7 +710,7 @@ EOF

 	echo "INFO: test $msg"

-	TEST_COUNT=10000
+	port=$((20000 - 1))
 	local extra_args="-o TRANSPARENT"
 	do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP \
 		    ${connect_addr} ${local_addr} "${extra_args}"

-- 
2.43.0