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Diffstat (limited to 'tools/testing/selftests/bpf/progs/tc_bpf2bpf.c')
-rw-r--r--tools/testing/selftests/bpf/progs/tc_bpf2bpf.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/tc_bpf2bpf.c b/tools/testing/selftests/bpf/progs/tc_bpf2bpf.c
new file mode 100644
index 000000000000..8a0632c37839
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tc_bpf2bpf.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+__noinline
+int subprog(struct __sk_buff *skb)
+{
+ int ret = 1;
+
+ __sink(ret);
+ return ret;
+}
+
+SEC("tc")
+int entry_tc(struct __sk_buff *skb)
+{
+ return subprog(skb);
+}
+
+char __license[] SEC("license") = "GPL";