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authorHangbin Liu <liuhangbin@gmail.com>2022-01-25 11:17:15 +0300
committerAlexei Starovoitov <ast@kernel.org>2022-01-28 06:21:28 +0300
commitab6bcc20722775022c5ab0086824e9d2e3ceefcd (patch)
tree33fff04206dd9769212d3049c1811d5fe245d91d /tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
parent07c5855461084c1f14dfec17f21c6b2beb5ed6cc (diff)
downloadlinux-ab6bcc20722775022c5ab0086824e9d2e3ceefcd.tar.xz
selftests/bpf/test_tcp_check_syncookie: use temp netns for testing
Use temp netns instead of hard code name for testing in case the netns already exists. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Lorenz Bauer <lmb@cloudflare.com> Link: https://lore.kernel.org/r/20220125081717.1260849-6-liuhangbin@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/test_tcp_check_syncookie.sh')
-rwxr-xr-xtools/testing/selftests/bpf/test_tcp_check_syncookie.sh5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
index 6413c1472554..102e6588e2fe 100755
--- a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
@@ -4,6 +4,7 @@
# Copyright (c) 2019 Cloudflare
set -eu
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
wait_for_ip()
{
@@ -28,12 +29,12 @@ get_prog_id()
ns1_exec()
{
- ip netns exec ns1 "$@"
+ ip netns exec ${NS1} "$@"
}
setup()
{
- ip netns add ns1
+ ip netns add ${NS1}
ns1_exec ip link set lo up
ns1_exec sysctl -w net.ipv4.tcp_syncookies=2