netdev - [PATCH net] selftests: net: amt: wait longer for connection before sending packets

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Message-ID: <20260118151450.776858-1-ap420073@gmail.com>
Date: Sun, 18 Jan 2026 15:14:50 +0000
From: Taehee Yoo <ap420073@...il.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	horms@...nel.org,
	shuah@...nel.org,
	linux-kselftest@...r.kernel.org,
	netdev@...r.kernel.org
Cc: ap420073@...il.com
Subject: [PATCH net] selftests: net: amt: wait longer for connection before sending packets

There is a sleep 2 in send_mcast4() to wait for the connection to be
established between the gateway and the relay.

However, some tests fail because packets are sometimes sent before the
connection is fully established.

So, increase the waiting time to make the tests more reliable.

Fixes: c08e8baea78e ("selftests: add amt interface selftest script")
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
 tools/testing/selftests/net/amt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/amt.sh b/tools/testing/selftests/net/amt.sh
index 3ef209cacb8e..fe2497d9caff 100755
--- a/tools/testing/selftests/net/amt.sh
+++ b/tools/testing/selftests/net/amt.sh
@@ -246,7 +246,7 @@ test_ipv6_forward()
 
 send_mcast4()
 {
-	sleep 2
+	sleep 5
 	ip netns exec "${SOURCE}" bash -c \
 		'printf "%s %128s" 172.17.0.2 | nc -w 1 -u 239.0.0.1 4000' &
 }
-- 
2.43.0