[PATCH net-next 03/38] selftest: arp_ndisc_untracked_subnets.sh convert to run test in unique namespace

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Here is the test result after conversion.

2 tests also failed without this patch

]# ./arp_ndisc_untracked_subnets.sh
    TEST: test_arp:  accept_arp=0                                       [ OK ]
    TEST: test_arp:  accept_arp=1                                       [FAIL]
    TEST: test_arp:  accept_arp=2  same_subnet=0                        [ OK ]
    TEST: test_arp:  accept_arp=2  same_subnet=1                        [FAIL]
    TEST: test_ndisc:  accept_untracked_na=0                            [ OK ]
    TEST: test_ndisc:  accept_untracked_na=1                            [ OK ]
    TEST: test_ndisc:  accept_untracked_na=2  same_subnet=0             [ OK ]
    TEST: test_ndisc:  accept_untracked_na=2  same_subnet=1             [ OK ]

Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
---
 .../net/arp_ndisc_untracked_subnets.sh         | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh
index c899b446acb6..5fda2344e14a 100755
--- a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh
+++ b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh
@@ -5,16 +5,14 @@
 # garp to the router. Router accepts or ignores based on its arp_accept
 # or accept_untracked_na configuration.
 
+source lib.sh
+
 TESTS="arp ndisc"
 
-ROUTER_NS="ns-router"
-ROUTER_NS_V6="ns-router-v6"
 ROUTER_INTF="veth-router"
 ROUTER_ADDR="10.0.10.1"
 ROUTER_ADDR_V6="2001:db8:abcd:0012::1"
 
-HOST_NS="ns-host"
-HOST_NS_V6="ns-host-v6"
 HOST_INTF="veth-host"
 HOST_ADDR="10.0.10.2"
 HOST_ADDR_V6="2001:db8:abcd:0012::2"
@@ -23,13 +21,11 @@ SUBNET_WIDTH=24
 PREFIX_WIDTH_V6=64
 
 cleanup() {
-	ip netns del ${HOST_NS}
-	ip netns del ${ROUTER_NS}
+	cleanup_ns ${HOST_NS} ${ROUTER_NS}
 }
 
 cleanup_v6() {
-	ip netns del ${HOST_NS_V6}
-	ip netns del ${ROUTER_NS_V6}
+	cleanup_ns ${HOST_NS_V6} ${ROUTER_NS_V6}
 }
 
 setup() {
@@ -37,8 +33,7 @@ setup() {
 	local arp_accept=$1
 
 	# Set up two namespaces
-	ip netns add ${ROUTER_NS}
-	ip netns add ${HOST_NS}
+	setup_ns HOST_NS ROUTER_NS
 
 	# Set up interfaces veth0 and veth1, which are pairs in separate
 	# namespaces. veth0 is veth-router, veth1 is veth-host.
@@ -72,8 +67,7 @@ setup_v6() {
 	local accept_untracked_na=$1
 
 	# Set up two namespaces
-	ip netns add ${ROUTER_NS_V6}
-	ip netns add ${HOST_NS_V6}
+	setup_ns HOST_NS_V6 ROUTER_NS_V6
 
 	# Set up interfaces veth0 and veth1, which are pairs in separate
 	# namespaces. veth0 is veth-router, veth1 is veth-host.
-- 
2.41.0





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