tools/testing/selftests/bpf/progs/metadata_used.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2
   3 #include <linux/bpf.h>
   4 #include <bpf/bpf_helpers.h>
   5
   6 volatile const char bpf_metadata_a[] SEC(".rodata") = "bar";
   7 volatile const int bpf_metadata_b SEC(".rodata") = 2;
   8
   9 SEC("cgroup_skb/egress")
  10 int prog(struct xdp_md *ctx)
  11 {
  12         return bpf_metadata_b ? 1 : 0;
  13 }
  14
  15 char _license[] SEC("license") = "GPL";