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 }
38
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