]> Git Repo - J-linux.git/blob - tools/testing/selftests/bpf/progs/empty_skb.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / progs / empty_skb.c
1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 #include <linux/bpf.h>
3 #include <bpf/bpf_helpers.h>
4 #include <bpf/bpf_endian.h>
5
6 char _license[] SEC("license") = "GPL";
7
8 int ifindex;
9 int ret;
10
11 SEC("lwt_xmit")
12 int redirect_ingress(struct __sk_buff *skb)
13 {
14         ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
15         return 0;
16 }
17
18 SEC("lwt_xmit")
19 int redirect_egress(struct __sk_buff *skb)
20 {
21         ret = bpf_clone_redirect(skb, ifindex, 0);
22         return 0;
23 }
24
25 SEC("tc")
26 int tc_redirect_ingress(struct __sk_buff *skb)
27 {
28         ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
29         return 0;
30 }
31
32 SEC("tc")
33 int tc_redirect_egress(struct __sk_buff *skb)
34 {
35         ret = bpf_clone_redirect(skb, ifindex, 0);
36         return 0;
37 }
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