netdev - [PATCH bpf-next 6/9] selftests: xsk: cleanup veth pair at ctrl-c

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Message-Id: <20220510115604.8717-7-magnus.karlsson@gmail.com>
Date:   Tue, 10 May 2022 13:56:01 +0200
From:   Magnus Karlsson <magnus.karlsson@...il.com>
To:     magnus.karlsson@...el.com, bjorn@...nel.org, ast@...nel.org,
        daniel@...earbox.net, netdev@...r.kernel.org,
        maciej.fijalkowski@...el.com, yhs@...com, andrii@...nel.org,
        kafai@...com, songliubraving@...com, john.fastabend@...il.com,
        kpsingh@...nel.org
Cc:     jonathan.lemon@...il.com, bpf@...r.kernel.org
Subject: [PATCH bpf-next 6/9] selftests: xsk: cleanup veth pair at ctrl-c

From: Magnus Karlsson <magnus.karlsson@...el.com>

Remove the veth pair when the tests are aborted by pressing
ctrl-c. Currently in this situation, the veth pair is left on the
system polluting the netdev space.

Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
---
 tools/testing/selftests/bpf/test_xsk.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh
index d06215ee843d..567500299231 100755
--- a/tools/testing/selftests/bpf/test_xsk.sh
+++ b/tools/testing/selftests/bpf/test_xsk.sh
@@ -97,6 +97,13 @@ NS0=root
 NS1=af_xdp${VETH1_POSTFIX}
 MTU=1500
 
+trap ctrl_c INT
+
+function ctrl_c() {
+        cleanup_exit ${VETH0} ${VETH1} ${NS1}
+	exit 1
+}
+
 setup_vethPairs() {
 	if [[ $verbose -eq 1 ]]; then
 	        echo "setting up ${VETH0}: namespace: ${NS0}"
-- 
2.34.1