| 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 | |
| 25 |