From: Geliang Tang <[email protected]>

This patch uses netns helpers create_netns() and cleanup_netns() in
test_tunnel.c instead of using open_netns() and close_netns() directly.

Signed-off-by: Geliang Tang <[email protected]>
---
 .../selftests/bpf/prog_tests/test_tunnel.c    | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c 
b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
index cec746e77cd3..6706ee1cb36d 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
@@ -102,7 +102,6 @@
 
 static int config_device(void)
 {
-       SYS(fail, "ip netns add at_ns0");
        SYS(fail, "ip link add veth0 address " MAC_VETH1 " type veth peer name 
veth1");
        SYS(fail, "ip link set veth0 netns at_ns0");
        SYS(fail, "ip addr add " IP4_ADDR1_VETH1 "/24 dev veth1");
@@ -117,7 +116,7 @@ static int config_device(void)
 
 static void cleanup(void)
 {
-       SYS_NOFAIL("test -f /var/run/netns/at_ns0 && ip netns delete at_ns0");
+       SYS_NOFAIL("test -f /var/run/netns/at_ns0");
        SYS_NOFAIL("ip link del veth1");
        SYS_NOFAIL("ip link del %s", VXLAN_TUNL_DEV1);
        SYS_NOFAIL("ip link del %s", IP6VXLAN_TUNL_DEV1);
@@ -444,7 +443,7 @@ static void test_vxlan_tunnel(void)
                goto done;
 
        /* load and attach prog set_md to tunnel dev tc hook point at_ns0 */
-       nstoken = open_netns("at_ns0");
+       nstoken = create_netns("at_ns0");
        if (!ASSERT_OK_PTR(nstoken, "setns src"))
                goto done;
        ifindex = if_nametoindex(VXLAN_TUNL_DEV0);
@@ -456,7 +455,7 @@ static void test_vxlan_tunnel(void)
                goto done;
        if (attach_tc_prog(&tc_hook, -1, set_dst_prog_fd))
                goto done;
-       close_netns(nstoken);
+       cleanup_netns(nstoken);
 
        /* use veth1 ip 2 as tunnel source ip */
        local_ip_map_fd = bpf_map__fd(skel->maps.local_ip_map);
@@ -517,7 +516,7 @@ static void test_ip6vxlan_tunnel(void)
                goto done;
 
        /* load and attach prog set_md to tunnel dev tc hook point at_ns0 */
-       nstoken = open_netns("at_ns0");
+       nstoken = create_netns("at_ns0");
        if (!ASSERT_OK_PTR(nstoken, "setns src"))
                goto done;
        ifindex = if_nametoindex(IP6VXLAN_TUNL_DEV0);
@@ -529,7 +528,7 @@ static void test_ip6vxlan_tunnel(void)
                goto done;
        if (attach_tc_prog(&tc_hook, -1, set_dst_prog_fd))
                goto done;
-       close_netns(nstoken);
+       cleanup_netns(nstoken);
 
        /* use veth1 ip 2 as tunnel source ip */
        local_ip_map_fd = bpf_map__fd(skel->maps.local_ip_map);
@@ -611,13 +610,13 @@ static void test_ipip_tunnel(enum ipip_encap encap)
                goto done;
 
        /* ping from at_ns0 namespace test */
-       nstoken = open_netns("at_ns0");
+       nstoken = create_netns("at_ns0");
        if (!ASSERT_OK_PTR(nstoken, "setns"))
                goto done;
        err = test_ping(AF_INET, IP4_ADDR_TUNL_DEV1);
        if (!ASSERT_OK(err, "test_ping"))
                goto done;
-       close_netns(nstoken);
+       cleanup_netns(nstoken);
 
 done:
        /* delete ipip tunnel */
@@ -667,11 +666,11 @@ static void test_xfrm_tunnel(void)
                goto done;
 
        /* ping from at_ns0 namespace test */
-       nstoken = open_netns("at_ns0");
+       nstoken = create_netns("at_ns0");
        if (!ASSERT_OK_PTR(nstoken, "setns"))
                goto done;
        err = test_ping(AF_INET, IP4_ADDR_TUNL_DEV1);
-       close_netns(nstoken);
+       cleanup_netns(nstoken);
        if (!ASSERT_OK(err, "test_ping"))
                goto done;
 
-- 
2.43.0


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