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" ) |
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" ) |
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" ) |
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 | |