1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright (c) 2019 Facebook */ |
3 | #ifndef _BPF_SK_STORAGE_H |
4 | #define _BPF_SK_STORAGE_H |
5 | |
6 | #include <linux/rculist.h> |
7 | #include <linux/list.h> |
8 | #include <linux/hash.h> |
9 | #include <linux/types.h> |
10 | #include <linux/spinlock.h> |
11 | #include <linux/bpf.h> |
12 | #include <net/sock.h> |
13 | #include <uapi/linux/sock_diag.h> |
14 | #include <uapi/linux/btf.h> |
15 | #include <linux/bpf_local_storage.h> |
16 | |
17 | struct sock; |
18 | |
19 | void bpf_sk_storage_free(struct sock *sk); |
20 | |
21 | extern const struct bpf_func_proto bpf_sk_storage_get_proto; |
22 | extern const struct bpf_func_proto bpf_sk_storage_delete_proto; |
23 | extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto; |
24 | extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto; |
25 | |
26 | struct bpf_local_storage_elem; |
27 | struct bpf_sk_storage_diag; |
28 | struct sk_buff; |
29 | struct nlattr; |
30 | |
31 | #ifdef CONFIG_BPF_SYSCALL |
32 | int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk); |
33 | struct bpf_sk_storage_diag * |
34 | bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs); |
35 | void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag); |
36 | int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag, |
37 | struct sock *sk, struct sk_buff *skb, |
38 | int stg_array_type, |
39 | unsigned int *res_diag_size); |
40 | #else |
41 | static inline int bpf_sk_storage_clone(const struct sock *sk, |
42 | struct sock *newsk) |
43 | { |
44 | return 0; |
45 | } |
46 | static inline struct bpf_sk_storage_diag * |
47 | bpf_sk_storage_diag_alloc(const struct nlattr *nla) |
48 | { |
49 | return NULL; |
50 | } |
51 | static inline void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag) |
52 | { |
53 | } |
54 | static inline int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag, |
55 | struct sock *sk, struct sk_buff *skb, |
56 | int stg_array_type, |
57 | unsigned int *res_diag_size) |
58 | { |
59 | return 0; |
60 | } |
61 | #endif |
62 | |
63 | #endif /* _BPF_SK_STORAGE_H */ |
64 | |