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

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (c) 2019 Facebook
   3 #include <linux/bpf.h>
   4 #include <stdbool.h>
   5 #include <bpf/bpf_helpers.h>
   6 #include <bpf/bpf_endian.h>
   7 #include <bpf/bpf_tracing.h>
   8
   9 __u64 ext_called = 0;
  10
  11 SEC("freplace/test_pkt_md_access")
  12 int test_pkt_md_access_new(struct __sk_buff *skb)
  13 {
  14         ext_called = skb->len;
  15         return 0;
  16 }
  17
  18 char _license[] SEC("license") = "GPL";