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authorMark Brown <broonie@kernel.org>2020-12-28 14:20:00 +0000
committerMark Brown <broonie@kernel.org>2020-12-28 14:20:00 +0000
commit2ae6f64ce1ce304b502461fdfe0b96c8171ae2cc (patch)
tree88e987c447daf2c29e2d4c15e58d1029b0cc78c2 /tools/testing/selftests/bpf/progs/test_global_func8.c
parent3b66e4a8e58a85af3212c7117d7a29c9ef6679a2 (diff)
parent5c8fe583cce542aa0b84adc939ce85293de36e5e (diff)
Merge tag 'v5.11-rc1' into regulator-5.11
Linux 5.11-rc1
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_func8.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_global_func8.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_func8.c b/tools/testing/selftests/bpf/progs/test_global_func8.c
new file mode 100644
index 000000000000..d55a6544b1ab
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func8.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline int foo(struct __sk_buff *skb)
+{
+ return bpf_get_prandom_u32();
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+ if (!foo(skb))
+ return 0;
+
+ return 1;
+}