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
 6char _license[] SEC("license") = "GPL";
 7
 8int ifindex;
 9int ret;
10
11SEC("lwt_xmit")
12int redirect_ingress(struct __sk_buff *skb)
13{
14	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
15	return 0;
16}
17
18SEC("lwt_xmit")
19int redirect_egress(struct __sk_buff *skb)
20{
21	ret = bpf_clone_redirect(skb, ifindex, 0);
22	return 0;
23}
24
25SEC("tc")
26int tc_redirect_ingress(struct __sk_buff *skb)
27{
28	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
29	return 0;
30}
31
32SEC("tc")
33int tc_redirect_egress(struct __sk_buff *skb)
34{
35	ret = bpf_clone_redirect(skb, ifindex, 0);
36	return 0;
37}

 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
 6char _license[] SEC("license") = "GPL";
 7
 8int ifindex;
 9int ret;
10
11SEC("lwt_xmit")
12int redirect_ingress(struct __sk_buff *skb)
13{
14	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
15	return 0;
16}
17
18SEC("lwt_xmit")
19int redirect_egress(struct __sk_buff *skb)
20{
21	ret = bpf_clone_redirect(skb, ifindex, 0);
22	return 0;
23}
24
25SEC("tc")
26int tc_redirect_ingress(struct __sk_buff *skb)
27{
28	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
29	return 0;
30}
31
32SEC("tc")
33int tc_redirect_egress(struct __sk_buff *skb)
34{
35	ret = bpf_clone_redirect(skb, ifindex, 0);
36	return 0;
37}