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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.