[PATCH bpf 6/7] selftests/bpf/test_xdp_meta: use temp netns for testing

Hangbin Liu
2022-01-25T09:07:08Z

Use temp netns instead of hard code name for testing in case the
netns already exists.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
tools/testing/selftests/bpf/test_xdp_meta.sh | 38 ++++++++++----------
1 file changed, 20 insertions(+), 18 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_xdp_meta.sh b/tools/testing/selftests/bpf/test_xdp_meta.sh
index d10cefd6eb09..ea69370caae3 100755
--- a/tools/testing/selftests/bpf/test_xdp_meta.sh
+++ b/tools/testing/selftests/bpf/test_xdp_meta.sh
@@ -2,6 +2,8 @@

# Kselftest framework requirement - SKIP code is 4.
readonly KSFT_SKIP=4
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"

cleanup()
{
@@ -13,8 +15,8 @@ cleanup()

set +e
ip link del veth1 2> /dev/null
- ip netns del ns1 2> /dev/null
- ip netns del ns2 2> /dev/null
+ ip netns del ${NS1} 2> /dev/null
+ ip netns del ${NS2} 2> /dev/null
}

ip link set dev lo xdp off 2>/dev/null > /dev/null
@@ -24,32 +26,32 @@ if [ $? -ne 0 ];then
fi
set -e

-ip netns add ns1
-ip netns add ns2
+ip netns add ${NS1}
+ip netns add ${NS2}

trap cleanup 0 2 3 6 9

ip link add veth1 type veth peer name veth2

-ip link set veth1 netns ns1
-ip link set veth2 netns ns2
+ip link set veth1 netns ${NS1}
+ip link set veth2 netns ${NS2}

-ip netns exec ns1 ip addr add 10.1.1.11/24 dev veth1
-ip netns exec ns2 ip addr add 10.1.1.22/24 dev veth2
+ip netns exec ${NS1} ip addr add 10.1.1.11/24 dev veth1
+ip netns exec ${NS2} ip addr add 10.1.1.22/24 dev veth2

-ip netns exec ns1 tc qdisc add dev veth1 clsact
-ip netns exec ns2 tc qdisc add dev veth2 clsact
+ip netns exec ${NS1} tc qdisc add dev veth1 clsact
+ip netns exec ${NS2} tc qdisc add dev veth2 clsact

-ip netns exec ns1 tc filter add dev veth1 ingress bpf da obj test_xdp_meta.o sec t
-ip netns exec ns2 tc filter add dev veth2 ingress bpf da obj test_xdp_meta.o sec t
+ip netns exec ${NS1} tc filter add dev veth1 ingress bpf da obj test_xdp_meta.o sec t
+ip netns exec ${NS2} tc filter add dev veth2 ingress bpf da obj test_xdp_meta.o sec t

-ip netns exec ns1 ip link set dev veth1 xdp obj test_xdp_meta.o sec x
-ip netns exec ns2 ip link set dev veth2 xdp obj test_xdp_meta.o sec x
+ip netns exec ${NS1} ip link set dev veth1 xdp obj test_xdp_meta.o sec x
+ip netns exec ${NS2} ip link set dev veth2 xdp obj test_xdp_meta.o sec x

-ip netns exec ns1 ip link set dev veth1 up
-ip netns exec ns2 ip link set dev veth2 up
+ip netns exec ${NS1} ip link set dev veth1 up
+ip netns exec ${NS2} ip link set dev veth2 up

-ip netns exec ns1 ping -c 1 10.1.1.22
-ip netns exec ns2 ping -c 1 10.1.1.11
+ip netns exec ${NS1} ping -c 1 10.1.1.22
+ip netns exec ${NS2} ping -c 1 10.1.1.11

exit 0
--
2.31.1