netdev - [PATCH net-next 20/38] selftests/net: convert fdb_flush.sh to run it in unique namespace

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Date: Fri, 24 Nov 2023 17:27:18 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Shuah Khan <shuah@...nel.org>,
	David Ahern <dsahern@...nel.org>,
	linux-kselftest@...r.kernel.org,
	Po-Hsu Lin <po-hsu.lin@...onical.com>,
	Guillaume Nault <gnault@...hat.com>,
	Björn Töpel <bjorn@...osinc.com>,
	Ryan Roberts <ryan.roberts@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mark Brown <broonie@...nel.org>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next 20/38] selftests/net: convert fdb_flush.sh to run it in unique namespace

Here is the test result after conversion.
]# ./fdb_flush.sh
TEST: vx10: Expected 5 FDB entries, got 5                           [ OK ]
TEST: vx20: Expected 5 FDB entries, got 5                           [ OK ]
...
TEST: vx10: Expected 5 FDB entries, got 5                           [ OK ]
TEST: Test entries with dst 192.0.2.1                               [ OK ]

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 tools/testing/selftests/net/fdb_flush.sh | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/fdb_flush.sh b/tools/testing/selftests/net/fdb_flush.sh
index 90e7a29e0476..d5e3abb8658c 100755
--- a/tools/testing/selftests/net/fdb_flush.sh
+++ b/tools/testing/selftests/net/fdb_flush.sh
@@ -5,6 +5,8 @@
 # Check that flush works as expected with all the supported arguments and verify
 # some combinations of arguments.
 
+source lib.sh
+
 FLUSH_BY_STATE_TESTS="
 	vxlan_test_flush_by_permanent
 	vxlan_test_flush_by_nopermanent
@@ -739,10 +741,9 @@ bridge_vxlan_test_flush()
 
 setup()
 {
-	IP="ip -netns ns1"
-	BRIDGE="bridge -netns ns1"
-
-	ip netns add ns1
+	setup_ns NS
+	IP="ip -netns ${NS}"
+	BRIDGE="bridge -netns ${NS}"
 
 	$IP link add name vx10 type vxlan id 1000 dstport "$VXPORT"
 	$IP link add name vx20 type vxlan id 2000 dstport "$VXPORT"
@@ -759,7 +760,7 @@ cleanup()
 	$IP link del dev vx20
 	$IP link del dev vx10
 
-	ip netns del ns1
+	cleanup_ns ${NS}
 }
 
 ################################################################################
-- 
2.41.0