aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c b/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
new file mode 100644
index 000000000000..d7b88cd05afd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int xdp_context(struct xdp_md *xdp)
+{
+ void *data = (void *)(long)xdp->data;
+ __u32 *metadata = (void *)(long)xdp->data_meta;
+ __u32 ret;
+
+ if (metadata + 1 > data)
+ return XDP_ABORTED;
+ ret = *metadata;
+ if (bpf_xdp_adjust_meta(xdp, 4))
+ return XDP_ABORTED;
+ return ret;
+}
+
+char _license[] SEC("license") = "GPL";