netdev - [PATCHv2 net-next 01/13] selftests/net: add variable NS

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Date: Wed, 13 Dec 2023 14:08:44 +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>,
	Andrea Mayer <andrea.mayer@...roma2.it>,
	Amit Cohen <amcohen@...dia.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Roopa Prabhu <roopa@...dia.com>,
	Ido Schimmel <idosch@...dia.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 net-next 01/13] selftests/net: add variable NS_LIST for lib.sh

Add a global variable NS_LIST to store all the namespaces that setup_ns
created, so the caller could call cleanup_all_ns() instead of remember
all the netns names when using cleanup_ns().

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 tools/testing/selftests/net/lib.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh
index 518eca57b815..dca549443801 100644
--- a/tools/testing/selftests/net/lib.sh
+++ b/tools/testing/selftests/net/lib.sh
@@ -6,6 +6,8 @@
 
 # Kselftest framework requirement - SKIP code is 4.
 ksft_skip=4
+# namespace list created by setup_ns
+NS_LIST=""
 
 ##############################################################################
 # Helpers
@@ -56,6 +58,11 @@ cleanup_ns()
 	return $ret
 }
 
+cleanup_all_ns()
+{
+	cleanup_ns $NS_LIST
+}
+
 # setup netns with given names as prefix. e.g
 # setup_ns local remote
 setup_ns()
@@ -82,4 +89,5 @@ setup_ns()
 		ip -n "$ns" link set lo up
 		ns_list="$ns_list $ns"
 	done
+	NS_LIST="$NS_LIST $ns_list"
 }
-- 
2.43.0