diff options
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.c | 20 |
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"; |