netdev - [PATCH net-next 2/2] selftests: net: use slowwait to make sure IPv6 setup finished

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Message-ID: <20250617105101.433718-3-liuhangbin@gmail.com>
Date: Tue, 17 Jun 2025 10:51:00 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next 2/2] selftests: net: use slowwait to make sure IPv6 setup finished

Sometimes the vxlan vnifiltering test failed on slow machines due to
network setup not finished. e.g.

  TEST: VM connectivity over vnifiltering vxlan (ipv4 default rdst)   [ OK ]
  TEST: VM connectivity over vnifiltering vxlan (ipv6 default rdst)   [FAIL]

Let's use slowwait to make sure the connection is finished.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 tools/testing/selftests/net/test_vxlan_vnifiltering.sh | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/test_vxlan_vnifiltering.sh b/tools/testing/selftests/net/test_vxlan_vnifiltering.sh
index 6127a78ee988..8deacc565afa 100755
--- a/tools/testing/selftests/net/test_vxlan_vnifiltering.sh
+++ b/tools/testing/selftests/net/test_vxlan_vnifiltering.sh
@@ -146,18 +146,17 @@ run_cmd()
 }
 
 check_hv_connectivity() {
-	ip netns exec $hv_1 ping -c 1 -W 1 $1 &>/dev/null
-	sleep 1
-	ip netns exec $hv_1 ping -c 1 -W 1 $2 &>/dev/null
+	slowwait 5 ip netns exec $hv_1 ping -c 1 -W 1 $1 &>/dev/null
+	slowwait 5 ip netns exec $hv_1 ping -c 1 -W 1 $2 &>/dev/null
 
 	return $?
 }
 
 check_vm_connectivity() {
-	run_cmd "ip netns exec $vm_11 ping -c 1 -W 1 10.0.10.12"
+	slowwait 5 run_cmd "ip netns exec $vm_11 ping -c 1 -W 1 10.0.10.12"
 	log_test $? 0 "VM connectivity over $1 (ipv4 default rdst)"
 
-	run_cmd "ip netns exec $vm_21 ping -c 1 -W 1 10.0.10.22"
+	slowwait 5 run_cmd "ip netns exec $vm_21 ping -c 1 -W 1 10.0.10.22"
 	log_test $? 0 "VM connectivity over $1 (ipv6 default rdst)"
 }
 
-- 
2.46.0