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

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (c) 2020 Facebook
   3 #include <linux/bpf.h>
   4 #include <bpf/bpf_helpers.h>
   5
   6 int calls = 0;
   7 int alt_calls = 0;
   8
   9 SEC("cgroup_skb/egress")
  10 int egress(struct __sk_buff *skb)
  11 {
  12         __sync_fetch_and_add(&calls, 1);
  13         return 1;
  14 }
  15
  16 SEC("cgroup_skb/egress")
  17 int egress_alt(struct __sk_buff *skb)
  18 {
  19         __sync_fetch_and_add(&alt_calls, 1);
  20         return 1;
  21 }
  22
  23 char _license[] SEC("license") = "GPL";
  24