]> Git Repo - linux.git/blob - tools/testing/selftests/bpf/progs/test_sockmap_update.c
Linux 6.14-rc3
[linux.git] / tools / testing / selftests / bpf / progs / test_sockmap_update.c
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020 Cloudflare
3 #include "vmlinux.h"
4 #include <bpf/bpf_helpers.h>
5
6 struct {
7         __uint(type, BPF_MAP_TYPE_SOCKMAP);
8         __uint(max_entries, 1);
9         __type(key, __u32);
10         __type(value, __u64);
11 } src SEC(".maps");
12
13 struct {
14         __uint(type, BPF_MAP_TYPE_SOCKMAP);
15         __uint(max_entries, 1);
16         __type(key, __u32);
17         __type(value, __u64);
18 } dst_sock_map SEC(".maps");
19
20 struct {
21         __uint(type, BPF_MAP_TYPE_SOCKHASH);
22         __uint(max_entries, 1);
23         __type(key, __u32);
24         __type(value, __u64);
25 } dst_sock_hash SEC(".maps");
26
27 SEC("tc")
28 int copy_sock_map(void *ctx)
29 {
30         struct bpf_sock *sk;
31         bool failed = false;
32         __u32 key = 0;
33
34         sk = bpf_map_lookup_elem(&src, &key);
35         if (!sk)
36                 return SK_DROP;
37
38         if (bpf_map_update_elem(&dst_sock_map, &key, sk, 0))
39                 failed = true;
40
41         if (bpf_map_update_elem(&dst_sock_hash, &key, sk, 0))
42                 failed = true;
43
44         bpf_sk_release(sk);
45         return failed ? SK_DROP : SK_PASS;
46 }
47
48 char _license[] SEC("license") = "GPL";
This page took 0.034265 seconds and 4 git commands to generate.