1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/bpf.h>
4 #include <bpf/bpf_helpers.h>
5
6 struct {
7 __uint(type, BPF_MAP_TYPE_DEVMAP);
8 __uint(max_entries, 8);
9 __uint(key_size, sizeof(int));
10 __uint(value_size, sizeof(int));
11 } tx_port SEC(".maps");
12
13 SEC("redirect_map_0")
xdp_redirect_map_0(struct xdp_md * xdp)14 int xdp_redirect_map_0(struct xdp_md *xdp)
15 {
16 return bpf_redirect_map(&tx_port, 0, 0);
17 }
18
19 SEC("redirect_map_1")
xdp_redirect_map_1(struct xdp_md * xdp)20 int xdp_redirect_map_1(struct xdp_md *xdp)
21 {
22 return bpf_redirect_map(&tx_port, 1, 0);
23 }
24
25 SEC("redirect_map_2")
xdp_redirect_map_2(struct xdp_md * xdp)26 int xdp_redirect_map_2(struct xdp_md *xdp)
27 {
28 return bpf_redirect_map(&tx_port, 2, 0);
29 }
30
31 char _license[] SEC("license") = "GPL";
32